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Remove rootston

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master
Drew DeVault 5 years ago
parent 913cac1835
commit 58b2584863
41 changed files with 0 additions and 9724 deletions
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1
.gitignore vendored
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@ -7,4 +7,3 @@ build/
build-*/
wayland-*-protocol.*
wlr-example.ini
rootston.ini

9
include/rootston/bindings.h
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#ifndef ROOTSTON_BINDINGS_H
#define ROOTSTON_BINDINGS_H
#include "rootston/seat.h"
#include "rootston/input.h"
void execute_binding_command(struct roots_seat *seat, struct roots_input *input, const char *command);
#endif //ROOTSTON_BINDINGS_H

133
include/rootston/config.h
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#ifndef ROOTSTON_CONFIG_H
#define ROOTSTON_CONFIG_H
#include <xf86drmMode.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/types/wlr_switch.h>
#include <wlr/types/wlr_output_layout.h>
#define ROOTS_CONFIG_DEFAULT_SEAT_NAME "seat0"
struct roots_output_mode_config {
drmModeModeInfo info;
struct wl_list link;
};
struct roots_output_config {
char *name;
bool enable;
enum wl_output_transform transform;
int x, y;
float scale;
struct wl_list link;
struct {
int width, height;
float refresh_rate;
} mode;
struct wl_list modes;
};
struct roots_device_config {
char *name;
char *seat;
char *mapped_output;
bool tap_enabled;
struct wlr_box *mapped_box;
struct wl_list link;
};
struct roots_binding_config {
uint32_t modifiers;
xkb_keysym_t *keysyms;
size_t keysyms_len;
char *command;
struct wl_list link;
};
struct roots_keyboard_config {
char *name;
char *seat;
uint32_t meta_key;
char *rules;
char *model;
char *layout;
char *variant;
char *options;
int repeat_rate, repeat_delay;
struct wl_list link;
};
struct roots_cursor_config {
char *seat;
char *mapped_output;
struct wlr_box *mapped_box;
char *theme;
char *default_image;
struct wl_list link;
};
struct roots_switch_config {
char *name;
enum wlr_switch_type switch_type;
enum wlr_switch_state switch_state;
char *command;
struct wl_list link;
};
struct roots_config {
bool xwayland;
bool xwayland_lazy;
struct wl_list outputs;
struct wl_list devices;
struct wl_list bindings;
struct wl_list keyboards;
struct wl_list cursors;
struct wl_list switches;
char *config_path;
char *startup_cmd;
bool debug_damage_tracking;
};
/**
* Create a roots config from the given command line arguments. Command line
* arguments can specify the location of the config file. If it is not
* specified, the default location will be used.
*/
struct roots_config *roots_config_create_from_args(int argc, char *argv[]);
/**
* Destroy the config and free its resources.
*/
void roots_config_destroy(struct roots_config *config);
/**
* Get configuration for the output. If the output is not configured, returns
* NULL.
*/
struct roots_output_config *roots_config_get_output(struct roots_config *config,
struct wlr_output *output);
/**
* Get configuration for the device. If the device is not configured, returns
* NULL.
*/
struct roots_device_config *roots_config_get_device(struct roots_config *config,
struct wlr_input_device *device);
/**
* Get configuration for the keyboard. If the keyboard is not configured,
* returns NULL. A NULL device returns the default config for keyboards.
*/
struct roots_keyboard_config *roots_config_get_keyboard(
struct roots_config *config, struct wlr_input_device *device);
/**
* Get configuration for the cursor. If the cursor is not configured, returns
* NULL. A NULL seat_name returns the default config for cursors.
*/
struct roots_cursor_config *roots_config_get_cursor(struct roots_config *config,
const char *seat_name);
#endif

114
include/rootston/cursor.h
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#ifndef ROOTSTON_CURSOR_H
#define ROOTSTON_CURSOR_H
#include <wlr/types/wlr_pointer_constraints_v1.h>
#include "rootston/seat.h"
enum roots_cursor_mode {
ROOTS_CURSOR_PASSTHROUGH = 0,
ROOTS_CURSOR_MOVE = 1,
ROOTS_CURSOR_RESIZE = 2,
ROOTS_CURSOR_ROTATE = 3,
};
struct roots_cursor {
struct roots_seat *seat;
struct wlr_cursor *cursor;
struct wlr_pointer_constraint_v1 *active_constraint;
pixman_region32_t confine; // invalid if active_constraint == NULL
const char *default_xcursor;
enum roots_cursor_mode mode;
// state from input (review if this is necessary)
struct wlr_xcursor_manager *xcursor_manager;
struct wlr_seat *wl_seat;
struct wl_client *cursor_client;
int offs_x, offs_y;
int view_x, view_y, view_width, view_height;
float view_rotation;
uint32_t resize_edges;
struct roots_seat_view *pointer_view;
struct wlr_surface *wlr_surface;
struct wl_listener motion;
struct wl_listener motion_absolute;
struct wl_listener button;
struct wl_listener axis;
struct wl_listener frame;
struct wl_listener swipe_begin;
struct wl_listener swipe_update;
struct wl_listener swipe_end;
struct wl_listener pinch_begin;
struct wl_listener pinch_update;
struct wl_listener pinch_end;
struct wl_listener touch_down;
struct wl_listener touch_up;
struct wl_listener touch_motion;
struct wl_listener tool_axis;
struct wl_listener tool_tip;
struct wl_listener tool_proximity;
struct wl_listener tool_button;
struct wl_listener request_set_cursor;
struct wl_listener focus_change;
struct wl_listener constraint_commit;
};
struct roots_cursor *roots_cursor_create(struct roots_seat *seat);
void roots_cursor_destroy(struct roots_cursor *cursor);
void roots_cursor_handle_motion(struct roots_cursor *cursor,
struct wlr_event_pointer_motion *event);
void roots_cursor_handle_motion_absolute(struct roots_cursor *cursor,
struct wlr_event_pointer_motion_absolute *event);
void roots_cursor_handle_button(struct roots_cursor *cursor,
struct wlr_event_pointer_button *event);
void roots_cursor_handle_axis(struct roots_cursor *cursor,
struct wlr_event_pointer_axis *event);
void roots_cursor_handle_frame(struct roots_cursor *cursor);
void roots_cursor_handle_touch_down(struct roots_cursor *cursor,
struct wlr_event_touch_down *event);
void roots_cursor_handle_touch_up(struct roots_cursor *cursor,
struct wlr_event_touch_up *event);
void roots_cursor_handle_touch_motion(struct roots_cursor *cursor,
struct wlr_event_touch_motion *event);
void roots_cursor_handle_tool_axis(struct roots_cursor *cursor,
struct wlr_event_tablet_tool_axis *event);
void roots_cursor_handle_tool_tip(struct roots_cursor *cursor,
struct wlr_event_tablet_tool_tip *event);
void roots_cursor_handle_request_set_cursor(struct roots_cursor *cursor,
struct wlr_seat_pointer_request_set_cursor_event *event);
void roots_cursor_handle_focus_change(struct roots_cursor *cursor,
struct wlr_seat_pointer_focus_change_event *event);
void roots_cursor_handle_constraint_commit(struct roots_cursor *cursor);
void roots_cursor_update_position(struct roots_cursor *cursor,
uint32_t time);
void roots_cursor_update_focus(struct roots_cursor *cursor);
void roots_cursor_constrain(struct roots_cursor *cursor,
struct wlr_pointer_constraint_v1 *constraint, double sx, double sy);
#endif

106
include/rootston/desktop.h
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#ifndef ROOTSTON_DESKTOP_H
#define ROOTSTON_DESKTOP_H
#include <time.h>
#include <wayland-server-core.h>
#include <wlr/config.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_foreign_toplevel_management_v1.h>
#include <wlr/types/wlr_gamma_control_v1.h>
#include <wlr/types/wlr_gtk_primary_selection.h>
#include <wlr/types/wlr_idle_inhibit_v1.h>
#include <wlr/types/wlr_idle.h>
#include <wlr/types/wlr_input_inhibitor.h>
#include <wlr/types/wlr_input_method_v2.h>
#include <wlr/types/wlr_layer_shell_v1.h>
#include <wlr/types/wlr_list.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_output_management_v1.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_pointer_gestures_v1.h>
#include <wlr/types/wlr_presentation_time.h>
#include <wlr/types/wlr_relative_pointer_v1.h>
#include <wlr/types/wlr_screencopy_v1.h>
#include <wlr/types/wlr_text_input_v3.h>
#include <wlr/types/wlr_virtual_keyboard_v1.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include <wlr/types/wlr_xdg_decoration_v1.h>
#include <wlr/types/wlr_xdg_shell_v6.h>
#include <wlr/types/wlr_xdg_shell.h>
#include "rootston/config.h"
#include "rootston/output.h"
#include "rootston/view.h"
struct roots_desktop {
struct wl_list views; // roots_view::link
struct wl_list outputs; // roots_output::link
struct timespec last_frame;
struct roots_server *server;
struct roots_config *config;
struct wlr_output_layout *layout;
struct wlr_xcursor_manager *xcursor_manager;
struct wlr_compositor *compositor;
struct wlr_xdg_shell_v6 *xdg_shell_v6;
struct wlr_xdg_shell *xdg_shell;
struct wlr_gamma_control_manager_v1 *gamma_control_manager_v1;
struct wlr_export_dmabuf_manager_v1 *export_dmabuf_manager_v1;
struct wlr_server_decoration_manager *server_decoration_manager;
struct wlr_xdg_decoration_manager_v1 *xdg_decoration_manager;
struct wlr_gtk_primary_selection_device_manager *primary_selection_device_manager;
struct wlr_idle *idle;
struct wlr_idle_inhibit_manager_v1 *idle_inhibit;
struct wlr_input_inhibit_manager *input_inhibit;
struct wlr_layer_shell_v1 *layer_shell;
struct wlr_input_method_manager_v2 *input_method;
struct wlr_text_input_manager_v3 *text_input;
struct wlr_virtual_keyboard_manager_v1 *virtual_keyboard;
struct wlr_screencopy_manager_v1 *screencopy;
struct wlr_tablet_manager_v2 *tablet_v2;
struct wlr_pointer_constraints_v1 *pointer_constraints;
struct wlr_presentation *presentation;
struct wlr_foreign_toplevel_manager_v1 *foreign_toplevel_manager_v1;
struct wlr_relative_pointer_manager_v1 *relative_pointer_manager;
struct wlr_pointer_gestures_v1 *pointer_gestures;
struct wlr_output_manager_v1 *output_manager_v1;
struct wl_listener new_output;
struct wl_listener layout_change;
struct wl_listener xdg_shell_v6_surface;
struct wl_listener xdg_shell_surface;
struct wl_listener layer_shell_surface;
struct wl_listener xdg_toplevel_decoration;
struct wl_listener input_inhibit_activate;
struct wl_listener input_inhibit_deactivate;
struct wl_listener virtual_keyboard_new;
struct wl_listener pointer_constraint;
struct wl_listener output_manager_apply;
struct wl_listener output_manager_test;
#if WLR_HAS_XWAYLAND
struct wlr_xwayland *xwayland;
struct wl_listener xwayland_surface;
#endif
};
struct roots_server;
struct roots_desktop *desktop_create(struct roots_server *server,
struct roots_config *config);
void desktop_destroy(struct roots_desktop *desktop);
struct roots_output *desktop_output_from_wlr_output(
struct roots_desktop *desktop, struct wlr_output *output);
struct wlr_surface *desktop_surface_at(struct roots_desktop *desktop,
double lx, double ly, double *sx, double *sy,
struct roots_view **view);
void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data);
void handle_xdg_shell_surface(struct wl_listener *listener, void *data);
void handle_xdg_toplevel_decoration(struct wl_listener *listener, void *data);
void handle_layer_shell_surface(struct wl_listener *listener, void *data);
void handle_xwayland_surface(struct wl_listener *listener, void *data);
#endif

93
include/rootston/ini.h
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/* inih -- simple .INI file parser
inih is released under the New BSD license (see LICENSE.txt). Go to the project
home page for more info:
https://github.com/benhoyt/inih
*/
#ifndef __INI_H__
#define __INI_H__
/* Make this header file easier to include in C++ code */
#ifdef __cplusplus
extern "C" {
#endif
#include <stdio.h>
/* Typedef for prototype of handler function. */
typedef int (*ini_handler)(void* user, const char* section,
const char* name, const char* value);
/* Typedef for prototype of fgets-style reader function. */
typedef char* (*ini_reader)(char* str, int num, void* stream);
/* Parse given INI-style file. May have [section]s, name=value pairs
(whitespace stripped), and comments starting with ';' (semicolon). Section
is "" if name=value pair parsed before any section heading. name:value
pairs are also supported as a concession to Python's configparser.
For each name=value pair parsed, call handler function with given user
pointer as well as section, name, and value (data only valid for duration
of handler call). Handler should return nonzero on success, zero on error.
Returns 0 on success, line number of first error on parse error (doesn't
stop on first error), -1 on file open error, or -2 on memory allocation
error (only when INI_USE_STACK is zero).
*/
int ini_parse(const char* filename, ini_handler handler, void* user);
/* Same as ini_parse(), but takes a FILE* instead of filename. This doesn't
close the file when it's finished -- the caller must do that. */
int ini_parse_file(FILE* file, ini_handler handler, void* user);
/* Same as ini_parse(), but takes an ini_reader function pointer instead of
filename. Used for implementing custom or string-based I/O. */
int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
void* user);
/* Nonzero to allow multi-line value parsing, in the style of Python's
configparser. If allowed, ini_parse() will call the handler with the same
name for each subsequent line parsed. */
#ifndef INI_ALLOW_MULTILINE
#define INI_ALLOW_MULTILINE 1
#endif
/* Nonzero to allow a UTF-8 BOM sequence (0xEF 0xBB 0xBF) at the start of
the file. See http://code.google.com/p/inih/issues/detail?id=21 */
#ifndef INI_ALLOW_BOM
#define INI_ALLOW_BOM 1
#endif
/* Nonzero to allow inline comments (with valid inline comment characters
specified by INI_INLINE_COMMENT_PREFIXES). Set to 0 to turn off and match
Python 3.2+ configparser behaviour. */
#ifndef INI_ALLOW_INLINE_COMMENTS
#define INI_ALLOW_INLINE_COMMENTS 1
#endif
#ifndef INI_INLINE_COMMENT_PREFIXES
#define INI_INLINE_COMMENT_PREFIXES ";"
#endif
/* Nonzero to use stack, zero to use heap (malloc/free). */
#ifndef INI_USE_STACK
#define INI_USE_STACK 1
#endif
/* Stop parsing on first error (default is to keep parsing). */
#ifndef INI_STOP_ON_FIRST_ERROR
#define INI_STOP_ON_FIRST_ERROR 0
#endif
/* Maximum line length for any line in INI file. */
#ifndef INI_MAX_LINE
#define INI_MAX_LINE 2000
#endif
#ifdef __cplusplus
}
#endif
#endif /* __INI_H__ */

37
include/rootston/input.h
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#ifndef ROOTSTON_INPUT_H
#define ROOTSTON_INPUT_H
#include <wayland-server-core.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/types/wlr_seat.h>
#include "rootston/config.h"
#include "rootston/cursor.h"
#include "rootston/server.h"
#include "rootston/view.h"
struct roots_input {
struct roots_config *config;
struct roots_server *server;
struct wl_listener new_input;
struct wl_list seats; // roots_seat::link
};
struct roots_input *input_create(struct roots_server *server,
struct roots_config *config);
void input_destroy(struct roots_input *input);
struct roots_seat *input_seat_from_wlr_seat(struct roots_input *input,
struct wlr_seat *seat);
bool input_view_has_focus(struct roots_input *input, struct roots_view *view);
struct roots_seat *input_get_seat(struct roots_input *input, char *name);
struct roots_seat *input_last_active_seat(struct roots_input *input);
void input_update_cursor_focus(struct roots_input *input);
#endif

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include/rootston/keyboard.h
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#ifndef ROOTSTON_KEYBOARD_H
#define ROOTSTON_KEYBOARD_H
#include <xkbcommon/xkbcommon.h>
#include "rootston/input.h"
#define ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP 32
struct roots_keyboard {
struct roots_input *input;
struct roots_seat *seat;
struct wlr_input_device *device;
struct roots_keyboard_config *config;
struct wl_list link;
struct wl_listener device_destroy;
struct wl_listener keyboard_key;
struct wl_listener keyboard_modifiers;
xkb_keysym_t pressed_keysyms_translated[ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP];
xkb_keysym_t pressed_keysyms_raw[ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP];
};
struct roots_keyboard *roots_keyboard_create(struct wlr_input_device *device,
struct roots_input *input);
void roots_keyboard_destroy(struct roots_keyboard *keyboard);
void roots_keyboard_handle_key(struct roots_keyboard *keyboard,
struct wlr_event_keyboard_key *event);
void roots_keyboard_handle_modifiers(struct roots_keyboard *r_keyboard);
#endif

35
include/rootston/layers.h
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#ifndef ROOTSTON_LAYERS_H
#define ROOTSTON_LAYERS_H
#include <stdbool.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/types/wlr_layer_shell_v1.h>
struct roots_layer_surface {
struct wlr_layer_surface_v1 *layer_surface;
struct wl_list link;
struct wl_listener destroy;
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener surface_commit;
struct wl_listener output_destroy;
struct wl_listener new_popup;
bool configured;
struct wlr_box geo;
};
struct roots_layer_popup {
struct roots_layer_surface *parent;
struct wlr_xdg_popup *wlr_popup;
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener destroy;
struct wl_listener commit;
};
struct roots_output;
void arrange_layers(struct roots_output *output);
#endif

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include/rootston/output.h
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#ifndef ROOTSTON_OUTPUT_H
#define ROOTSTON_OUTPUT_H
#include <pixman.h>
#include <time.h>
#include <wayland-server-core.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_output_damage.h>
struct roots_desktop;
struct roots_output {
struct roots_desktop *desktop;
struct wlr_output *wlr_output;
struct wl_list link; // roots_desktop:outputs
struct roots_view *fullscreen_view;
struct wl_list layers[4]; // layer_surface::link
struct timespec last_frame;
struct wlr_output_damage *damage;
struct wlr_box usable_area;
struct wl_listener destroy;
struct wl_listener enable;
struct wl_listener mode;
struct wl_listener transform;
struct wl_listener present;
struct wl_listener damage_frame;
struct wl_listener damage_destroy;
};
typedef void (*roots_surface_iterator_func_t)(struct roots_output *output,
struct wlr_surface *surface, struct wlr_box *box, float rotation,
void *user_data);
void rotate_child_position(double *sx, double *sy, double sw, double sh,
double pw, double ph, float rotation);
struct roots_input;
void output_surface_for_each_surface(struct roots_output *output,
struct wlr_surface *surface, double ox, double oy,
roots_surface_iterator_func_t iterator, void *user_data);
void output_view_for_each_surface(struct roots_output *output,
struct roots_view *view, roots_surface_iterator_func_t iterator,
void *user_data);
void output_drag_icons_for_each_surface(struct roots_output *output,
struct roots_input *input, roots_surface_iterator_func_t iterator,
void *user_data);
void output_layer_for_each_surface(struct roots_output *output,
struct wl_list *layer_surfaces, roots_surface_iterator_func_t iterator,
void *user_data);
#if WLR_HAS_XWAYLAND
struct wlr_xwayland_surface;
void output_xwayland_children_for_each_surface(
struct roots_output *output, struct wlr_xwayland_surface *surface,
roots_surface_iterator_func_t iterator, void *user_data);
#endif
void output_for_each_surface(struct roots_output *output,
roots_surface_iterator_func_t iterator, void *user_data);
void handle_new_output(struct wl_listener *listener, void *data);
void handle_output_manager_apply(struct wl_listener *listener, void *data);
void handle_output_manager_test(struct wl_listener *listener, void *data);
struct roots_view;
struct roots_drag_icon;
void output_damage_whole(struct roots_output *output);
void output_damage_whole_view(struct roots_output *output,
struct roots_view *view);
void output_damage_from_view(struct roots_output *output,
struct roots_view *view);
void output_damage_whole_drag_icon(struct roots_output *output,
struct roots_drag_icon *icon);
void output_damage_from_local_surface(struct roots_output *output,
struct wlr_surface *surface, double ox, double oy);
void output_damage_whole_local_surface(struct roots_output *output,
struct wlr_surface *surface, double ox, double oy);
void output_render(struct roots_output *output);
void scale_box(struct wlr_box *box, float scale);
void get_decoration_box(struct roots_view *view,
struct roots_output *output, struct wlr_box *box);
#endif

183
include/rootston/seat.h
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#ifndef ROOTSTON_SEAT_H
#define ROOTSTON_SEAT_H
#include <wayland-server-core.h>
#include "rootston/input.h"
#include "rootston/keyboard.h"
#include "rootston/layers.h"
#include "rootston/switch.h"
#include "rootston/text_input.h"
struct roots_seat {
struct roots_input *input;
struct wlr_seat *seat;
struct roots_cursor *cursor;
struct wl_list link; // roots_input::seats
// coordinates of the first touch point if it exists
int32_t touch_id;
double touch_x, touch_y;
// If the focused layer is set, views cannot receive keyboard focus
struct wlr_layer_surface_v1 *focused_layer;
struct roots_input_method_relay im_relay;
// If non-null, only this client can receive input events
struct wl_client *exclusive_client;
struct wl_list views; // roots_seat_view::link
bool has_focus;
struct roots_drag_icon *drag_icon; // can be NULL
struct wl_list keyboards;
struct wl_list pointers;
struct wl_list switches;
struct wl_list touch;
struct wl_list tablets;
struct wl_list tablet_pads;
struct wl_listener request_set_selection;
struct wl_listener request_set_primary_selection;
struct wl_listener request_start_drag;
struct wl_listener start_drag;
struct wl_listener destroy;
};
struct roots_seat_view {
struct roots_seat *seat;
struct roots_view *view;
bool has_button_grab;
double grab_sx;
double grab_sy;
struct wl_list link; // roots_seat::views
struct wl_listener view_unmap;
struct wl_listener view_destroy;
};
struct roots_drag_icon {
struct roots_seat *seat;
struct wlr_drag_icon *wlr_drag_icon;
double x, y;
struct wl_listener surface_commit;
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener destroy;
};
struct roots_pointer {
struct roots_seat *seat;
struct wlr_input_device *device;
struct wl_listener device_destroy;
struct wl_list link;
};
struct roots_touch {
struct roots_seat *seat;
struct wlr_input_device *device;
struct wl_listener device_destroy;
struct wl_list link;
};
struct roots_tablet {
struct roots_seat *seat;
struct wlr_input_device *device;
struct wlr_tablet_v2_tablet *tablet_v2;
struct wl_listener device_destroy;
struct wl_listener axis;
struct wl_listener proximity;
struct wl_listener tip;
struct wl_listener button;
struct wl_list link;
};
struct roots_tablet_pad {
struct wl_list link;
struct wlr_tablet_v2_tablet_pad *tablet_v2_pad;
struct roots_seat *seat;
struct wlr_input_device *device;
struct wl_listener device_destroy;
struct wl_listener attach;
struct wl_listener button;
struct wl_listener ring;
struct wl_listener strip;
struct roots_tablet *tablet;
struct wl_listener tablet_destroy;
};
struct roots_tablet_tool {
struct wl_list link;
struct wl_list tool_link;
struct wlr_tablet_v2_tablet_tool *tablet_v2_tool;
struct roots_seat *seat;
double tilt_x, tilt_y;
struct wl_listener set_cursor;
struct wl_listener tool_destroy;
struct roots_tablet *current_tablet;
struct wl_listener tablet_destroy;
};
struct roots_pointer_constraint {
struct wlr_pointer_constraint_v1 *constraint;
struct wl_listener destroy;
};
struct roots_seat *roots_seat_create(struct roots_input *input, char *name);
void roots_seat_destroy(struct roots_seat *seat);
void roots_seat_add_device(struct roots_seat *seat,
struct wlr_input_device *device);
void roots_seat_configure_cursor(struct roots_seat *seat);
void roots_seat_configure_xcursor(struct roots_seat *seat);
bool roots_seat_has_meta_pressed(struct roots_seat *seat);
struct roots_view *roots_seat_get_focus(struct roots_seat *seat);
void roots_seat_set_focus(struct roots_seat *seat, struct roots_view *view);
void roots_seat_set_focus_layer(struct roots_seat *seat,
struct wlr_layer_surface_v1 *layer);
void roots_seat_cycle_focus(struct roots_seat *seat);
void roots_seat_begin_move(struct roots_seat *seat, struct roots_view *view);
void roots_seat_begin_resize(struct roots_seat *seat, struct roots_view *view,
uint32_t edges);
void roots_seat_begin_rotate(struct roots_seat *seat, struct roots_view *view);
void roots_seat_end_compositor_grab(struct roots_seat *seat);
struct roots_seat_view *roots_seat_view_from_view( struct roots_seat *seat,
struct roots_view *view);
void roots_drag_icon_update_position(struct roots_drag_icon *icon);
void roots_drag_icon_damage_whole(struct roots_drag_icon *icon);
void roots_seat_set_exclusive_client(struct roots_seat *seat,
struct wl_client *client);
bool roots_seat_allow_input(struct roots_seat *seat,
struct wl_resource *resource);
#endif

37
include/rootston/server.h
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#ifndef _ROOTSTON_SERVER_H
#define _ROOTSTON_SERVER_H
#include <wayland-server-core.h>
#include <wlr/backend.h>
#include <wlr/backend/session.h>
#include <wlr/config.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_data_device.h>
#if WLR_HAS_XWAYLAND
#include <wlr/xwayland.h>
#endif
#include "rootston/config.h"
#include "rootston/desktop.h"
#include "rootston/input.h"
struct roots_server {
/* Rootston resources */
struct roots_config *config;
struct roots_desktop *desktop;
struct roots_input *input;
/* Wayland resources */
struct wl_display *wl_display;
struct wl_event_loop *wl_event_loop;
/* WLR tools */
struct wlr_backend *backend;
struct wlr_renderer *renderer;
/* Global resources */
struct wlr_data_device_manager *data_device_manager;
};
extern struct roots_server server;
#endif

18
include/rootston/switch.h
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#ifndef ROOTSTON_SWITCH_H
#define ROOTSTON_SWITCH_H
#include "rootston/input.h"
struct roots_switch {
struct roots_seat *seat;
struct wlr_input_device *device;
struct wl_listener device_destroy;
struct wl_listener toggle;
struct wl_list link;
};
void roots_switch_handle_toggle(struct roots_switch *switch_device,
struct wlr_event_switch_toggle *event);
#endif

63
include/rootston/text_input.h
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#ifndef ROOTSTON_TEXT_INPUT_H
#define ROOTSTON_TEXT_INPUT_H
#include <wlr/types/wlr_text_input_v3.h>
#include <wlr/types/wlr_input_method_v2.h>
#include <wlr/types/wlr_surface.h>
#include "rootston/seat.h"
/**
* The relay structure manages the relationship between text-input and
* input_method interfaces on a given seat. Multiple text-input interfaces may
* be bound to a relay, but at most one will be focused (reveiving events) at
* a time. At most one input-method interface may be bound to the seat. The
* relay manages life cycle of both sides. When both sides are present and
* focused, the relay passes messages between them.
*
* Text input focus is a subset of keyboard focus - if the text-input is
* in the focused state, wl_keyboard sent an enter as well. However, having
* wl_keyboard focused doesn't mean that text-input will be focused.
*/
struct roots_input_method_relay {
struct roots_seat *seat;
struct wl_list text_inputs; // roots_text_input::link
struct wlr_input_method_v2 *input_method; // doesn't have to be present
struct wl_listener text_input_new;
struct wl_listener text_input_enable;
struct wl_listener text_input_commit;
struct wl_listener text_input_disable;
struct wl_listener text_input_destroy;
struct wl_listener input_method_new;
struct wl_listener input_method_commit;
struct wl_listener input_method_destroy;
};
struct roots_text_input {
struct roots_input_method_relay *relay;
struct wlr_text_input_v3 *input;
// The surface getting seat's focus. Stored for when text-input cannot
// be sent an enter event immediately after getting focus, e.g. when
// there's no input method available. Cleared once text-input is entered.
struct wlr_surface *pending_focused_surface;
struct wl_list link;
struct wl_listener pending_focused_surface_destroy;
};
void roots_input_method_relay_init(struct roots_seat *seat,
struct roots_input_method_relay *relay);
// Updates currently focused surface. Surface must belong to the same seat.
void roots_input_method_relay_set_focus(struct roots_input_method_relay *relay,
struct wlr_surface *surface);
struct roots_text_input *roots_text_input_create(
struct roots_input_method_relay *relay,
struct wlr_text_input_v3 *text_input);
#endif

257
include/rootston/view.h
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#ifndef ROOTSTON_VIEW_H
#define ROOTSTON_VIEW_H
#include <stdbool.h>
#include <wlr/config.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_foreign_toplevel_management_v1.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/types/wlr_xdg_decoration_v1.h>
#include <wlr/types/wlr_xdg_shell_v6.h>
#include <wlr/types/wlr_xdg_shell.h>
struct roots_view;
struct roots_view_interface {
void (*activate)(struct roots_view *view, bool active);
void (*move)(struct roots_view *view, double x, double y);
void (*resize)(struct roots_view *view, uint32_t width, uint32_t height);
void (*move_resize)(struct roots_view *view, double x, double y,
uint32_t width, uint32_t height);
void (*maximize)(struct roots_view *view, bool maximized);
void (*set_fullscreen)(struct roots_view *view, bool fullscreen);
void (*close)(struct roots_view *view);
void (*for_each_surface)(struct roots_view *view,
wlr_surface_iterator_func_t iterator, void *user_data);
void (*destroy)(struct roots_view *view);
};
enum roots_view_type {
ROOTS_XDG_SHELL_V6_VIEW,
ROOTS_XDG_SHELL_VIEW,
#if WLR_HAS_XWAYLAND
ROOTS_XWAYLAND_VIEW,
#endif
};
struct roots_view {
enum roots_view_type type;
const struct roots_view_interface *impl;
struct roots_desktop *desktop;
struct wl_list link; // roots_desktop::views
struct wlr_box box;
float rotation;
float alpha;
bool decorated;
int border_width;
int titlebar_height;
bool maximized;
struct roots_output *fullscreen_output;
struct {
double x, y;
uint32_t width, height;
float rotation;
} saved;
struct {
bool update_x, update_y;
double x, y;
uint32_t width, height;
} pending_move_resize;
struct wlr_surface *wlr_surface;
struct wl_list children; // roots_view_child::link
struct wlr_foreign_toplevel_handle_v1 *toplevel_handle;
struct wl_listener toplevel_handle_request_maximize;
struct wl_listener toplevel_handle_request_activate;
struct wl_listener toplevel_handle_request_fullscreen;
struct wl_listener toplevel_handle_request_close;
struct wl_listener new_subsurface;
struct {
struct wl_signal unmap;
struct wl_signal destroy;
} events;
};
struct roots_xdg_surface_v6 {
struct roots_view view;
struct wlr_xdg_surface_v6 *xdg_surface_v6;
struct wl_listener destroy;
struct wl_listener new_popup;
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener request_move;
struct wl_listener request_resize;
struct wl_listener request_maximize;
struct wl_listener request_fullscreen;
struct wl_listener set_title;
struct wl_listener set_app_id;
struct wl_listener surface_commit;
uint32_t pending_move_resize_configure_serial;
};
struct roots_xdg_toplevel_decoration;
struct roots_xdg_surface {
struct roots_view view;
struct wlr_xdg_surface *xdg_surface;
struct wl_listener destroy;
struct wl_listener new_popup;
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener request_move;
struct wl_listener request_resize;
struct wl_listener request_maximize;
struct wl_listener request_fullscreen;
struct wl_listener set_title;
struct wl_listener set_app_id;
struct wl_listener surface_commit;
uint32_t pending_move_resize_configure_serial;
struct roots_xdg_toplevel_decoration *xdg_toplevel_decoration;
};
#if WLR_HAS_XWAYLAND
struct roots_xwayland_surface {
struct roots_view view;
struct wlr_xwayland_surface *xwayland_surface;
struct wl_listener destroy;
struct wl_listener request_configure;
struct wl_listener request_move;
struct wl_listener request_resize;
struct wl_listener request_maximize;
struct wl_listener request_fullscreen;
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener set_title;
struct wl_listener set_class;
struct wl_listener surface_commit;
};
#endif
struct roots_view_child;
struct roots_view_child_interface {
void (*destroy)(struct roots_view_child *child);
};
struct roots_view_child {
struct roots_view *view;
const struct roots_view_child_interface *impl;
struct wlr_surface *wlr_surface;
struct wl_list link;
struct wl_listener commit;
struct wl_listener new_subsurface;
};
struct roots_subsurface {
struct roots_view_child view_child;
struct wlr_subsurface *wlr_subsurface;
struct wl_listener destroy;
struct wl_listener map;
struct wl_listener unmap;
};
struct roots_xdg_popup_v6 {
struct roots_view_child view_child;
struct wlr_xdg_popup_v6 *wlr_popup;
struct wl_listener destroy;
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener new_popup;
};
struct roots_xdg_popup {
struct roots_view_child view_child;
struct wlr_xdg_popup *wlr_popup;
struct wl_listener destroy;
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener new_popup;
};
struct roots_xdg_toplevel_decoration {
struct wlr_xdg_toplevel_decoration_v1 *wlr_decoration;
struct roots_xdg_surface *surface;
struct wl_listener destroy;
struct wl_listener request_mode;
struct wl_listener surface_commit;
};
void view_init(struct roots_view *view, const struct roots_view_interface *impl,
enum roots_view_type type, struct roots_desktop *desktop);
void view_destroy(struct roots_view *view);
void view_apply_damage(struct roots_view *view);
void view_damage_whole(struct roots_view *view);
void view_update_position(struct roots_view *view, int x, int y);
void view_update_size(struct roots_view *view, int width, int height);
void view_update_decorated(struct roots_view *view, bool decorated);
void view_initial_focus(struct roots_view *view);
void view_map(struct roots_view *view, struct wlr_surface *surface);
void view_unmap(struct roots_view *view);
void view_arrange_maximized(struct roots_view *view);
void view_get_box(const struct roots_view *view, struct wlr_box *box);
void view_activate(struct roots_view *view, bool active);
void view_move(struct roots_view *view, double x, double y);
void view_resize(struct roots_view *view, uint32_t width, uint32_t height);
void view_move_resize(struct roots_view *view, double x, double y,
uint32_t width, uint32_t height);
void view_maximize(struct roots_view *view, bool maximized);
void view_set_fullscreen(struct roots_view *view, bool fullscreen,
struct wlr_output *output);
void view_rotate(struct roots_view *view, float rotation);
void view_cycle_alpha(struct roots_view *view);
void view_close(struct roots_view *view);
bool view_center(struct roots_view *view);
void view_setup(struct roots_view *view);
void view_teardown(struct roots_view *view);
void view_set_title(struct roots_view *view, const char *title);
void view_set_app_id(struct roots_view *view, const char *app_id);
void view_create_foreign_toplevel_handle(struct roots_view *view);
void view_get_deco_box(const struct roots_view *view, struct wlr_box *box);
void view_for_each_surface(struct roots_view *view,
wlr_surface_iterator_func_t iterator, void *user_data);
struct roots_xdg_surface *roots_xdg_surface_from_view(struct roots_view *view);
struct roots_xdg_surface_v6 *roots_xdg_surface_v6_from_view(
struct roots_view *view);
struct roots_xwayland_surface *roots_xwayland_surface_from_view(
struct roots_view *view);
enum roots_deco_part {
ROOTS_DECO_PART_NONE = 0,
ROOTS_DECO_PART_TOP_BORDER = (1 << 0),
ROOTS_DECO_PART_BOTTOM_BORDER = (1 << 1),
ROOTS_DECO_PART_LEFT_BORDER = (1 << 2),
ROOTS_DECO_PART_RIGHT_BORDER = (1 << 3),
ROOTS_DECO_PART_TITLEBAR = (1 << 4),
};
enum roots_deco_part view_get_deco_part(struct roots_view *view, double sx, double sy);
void view_child_init(struct roots_view_child *child,
const struct roots_view_child_interface *impl, struct roots_view *view,
struct wlr_surface *wlr_surface);
void view_child_destroy(struct roots_view_child *child);
struct roots_subsurface *subsurface_create(struct roots_view *view,
struct wlr_subsurface *wlr_subsurface);
#endif

7
include/rootston/virtual_keyboard.h
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#ifndef ROOTSTON_VIRTUAL_KEYBOARD_H
#define ROOTSTON_VIRTUAL_KEYBOARD_H
#include <wayland-server-core.h>
void handle_virtual_keyboard(struct wl_listener *listener, void *data);
#endif

12
include/rootston/xcursor.h
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#ifndef ROOTSTON_XCURSOR_H
#define ROOTSTON_XCURSOR_H
#include <stdint.h>
#define ROOTS_XCURSOR_SIZE 24
#define ROOTS_XCURSOR_DEFAULT "left_ptr"
#define ROOTS_XCURSOR_MOVE "grabbing"
#define ROOTS_XCURSOR_ROTATE "grabbing"
#endif

1
meson.build
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@ -202,7 +202,6 @@ summary = [
message('\n'.join(summary))
subdir('examples')
subdir('rootston')
pkgconfig = import('pkgconfig')
pkgconfig.generate(

1
meson_options.txt
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@ -6,5 +6,4 @@ option('xcb-errors', type: 'feature', value: 'auto', description: 'Use xcb-error
option('xcb-icccm', type: 'feature', value: 'auto', description: 'Use xcb-icccm util library')
option('xwayland', type: 'feature', value: 'auto', yield: true, description: 'Enable support for X11 applications')
option('x11-backend', type: 'feature', value: 'auto', description: 'Enable X11 backend')
option('rootston', type: 'boolean', value: true, description: 'Build the rootston example compositor')
option('examples', type: 'boolean', value: true, description: 'Build example applications')

18
rootston/README.md
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# rootston
Rootston is the "big" wlroots test compositor. It implements basically every
feature of wlroots and may be useful as a reference for new compositors.
However, it's mostly used as a testbed for wlroots development and does not have
particularly clean code and is not particularly well designed: proceed with a
grain of salt. It is not designed for end-users.
## Running rootston
If you followed the build instructions in `../README.md`, the rootston
executable can be found at `build/rootston/rootston`. To use it, refer to the
example config at [rootston/rootston.ini.example][rootston.ini] and place a
config file of your own at `rootston.ini` in the working directory (or in an
arbitrary location via `rootston -C`). Other options are available, refer to
`rootston -h`.
[rootston.ini]: https://github.com/swaywm/wlroots/blob/master/rootston/rootston.ini.example

110
rootston/bindings.c
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#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <wlr/util/log.h>
#include "rootston/bindings.h"
#include "rootston/view.h"
static bool outputs_enabled = true;
static const char exec_prefix[] = "exec ";
static void double_fork_shell_cmd(const char *shell_cmd) {
pid_t pid = fork();
if (pid < 0) {
wlr_log(WLR_ERROR, "cannot execute binding command: fork() failed");
return;
}
if (pid == 0) {
pid = fork();
if (pid == 0) {
execl("/bin/sh", "/bin/sh", "-c", shell_cmd, NULL);
_exit(EXIT_FAILURE);
} else {
_exit(pid == -1);
}
}
int status;
while (waitpid(pid, &status, 0) < 0) {
if (errno == EINTR) {
continue;
}
wlr_log_errno(WLR_ERROR, "waitpid() on first child failed");
return;
}
if (WIFEXITED(status) && WEXITSTATUS(status) == 0) {
return;
}
wlr_log(WLR_ERROR, "first child failed to fork command");
}
void execute_binding_command(struct roots_seat *seat,
struct roots_input *input, const char *command) {
if (strcmp(command, "exit") == 0) {
wl_display_terminate(input->server->wl_display);
} else if (strcmp(command, "close") == 0) {
struct roots_view *focus = roots_seat_get_focus(seat);
if (focus != NULL) {
view_close(focus);
}
} else if (strcmp(command, "fullscreen") == 0) {
struct roots_view *focus = roots_seat_get_focus(seat);
if (focus != NULL) {
bool is_fullscreen = focus->fullscreen_output != NULL;
view_set_fullscreen(focus, !is_fullscreen, NULL);
}
} else if (strcmp(command, "next_window") == 0) {
roots_seat_cycle_focus(seat);
} else if (strcmp(command, "alpha") == 0) {
struct roots_view *focus = roots_seat_get_focus(seat);
if (focus != NULL) {
view_cycle_alpha(focus);
}
} else if (strncmp(exec_prefix, command, strlen(exec_prefix)) == 0) {
const char *shell_cmd = command + strlen(exec_prefix);
double_fork_shell_cmd(shell_cmd);
} else if (strcmp(command, "maximize") == 0) {
struct roots_view *focus = roots_seat_get_focus(seat);
if (focus != NULL) {
view_maximize(focus, !focus->maximized);
}
} else if (strcmp(command, "nop") == 0) {
wlr_log(WLR_DEBUG, "nop command");
} else if (strcmp(command, "toggle_outputs") == 0) {
outputs_enabled = !outputs_enabled;
struct roots_output *output;
wl_list_for_each(output, &input->server->desktop->outputs, link) {
wlr_output_enable(output->wlr_output, outputs_enabled);
}
} else if (strcmp(command, "toggle_decoration_mode") == 0) {
struct roots_view *focus = roots_seat_get_focus(seat);
if (focus != NULL && focus->type == ROOTS_XDG_SHELL_VIEW) {
struct roots_xdg_surface *xdg_surface =
roots_xdg_surface_from_view(focus);
struct roots_xdg_toplevel_decoration *decoration =
xdg_surface->xdg_toplevel_decoration;
if (decoration != NULL) {
enum wlr_xdg_toplevel_decoration_v1_mode mode =
decoration->wlr_decoration->current_mode;
mode = mode == WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE
? WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE
: WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE;
wlr_xdg_toplevel_decoration_v1_set_mode(
decoration->wlr_decoration, mode);
}
}
} else if (strcmp(command, "break_pointer_constraint") == 0) {
struct wl_list *list = &input->seats;
struct roots_seat *seat;
wl_list_for_each(seat, list, link) {
roots_cursor_constrain(seat->cursor, NULL, NAN, NAN);
}
} else {
wlr_log(WLR_ERROR, "unknown binding command: %s", command);
}
}

674
rootston/config.c
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@ -1,674 +0,0 @@
#ifndef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 200809L
#endif
#include <assert.h>
#include <getopt.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <sys/param.h>
#include <unistd.h>
#include <wlr/config.h>
#include <wlr/types/wlr_box.h>
#include <wlr/util/log.h>
#include "rootston/config.h"
#include "rootston/ini.h"
#include "rootston/input.h"
#include "rootston/keyboard.h"
static void usage(const char *name, int ret) {
fprintf(stderr,
"usage: %s [-C <FILE>] [-E <COMMAND>]\n"
"\n"
" -C <FILE> Path to the configuration file\n"
" (default: rootston.ini).\n"
" See `rootston.ini.example` for config\n"
" file documentation.\n"
" -E <COMMAND> Command that will be ran at startup.\n"
" -D Enable damage tracking debugging.\n"
" -l <LEVEL> Set log verbosity, where,\n"
" 0:SILENT, 1:ERROR, 2:INFO, 3+:DEBUG\n"
" (default: DEBUG)\n",
name);
exit(ret);
}
static struct wlr_box *parse_geometry(const char *str) {
// format: {width}x{height}+{x}+{y}
if (strlen(str) > 255) {
wlr_log(WLR_ERROR, "cannot parse geometry string, too long");
return NULL;
}
char *buf = strdup(str);
struct wlr_box *box = calloc(1, sizeof(struct wlr_box));
bool has_width = false;
bool has_height = false;
bool has_x = false;
bool has_y = false;
char *pch = strtok(buf, "x+");
while (pch != NULL) {
errno = 0;
char *endptr;
long val = strtol(pch, &endptr, 0);
if ((errno == ERANGE && (val == LONG_MAX || val == LONG_MIN)) ||
(errno != 0 && val == 0)) {
goto invalid_input;
}
if (endptr == pch) {
goto invalid_input;
}
if (!has_width) {
box->width = val;
has_width = true;
} else if (!has_height) {
box->height = val;
has_height = true;
} else if (!has_x) {
box->x = val;
has_x = true;
} else if (!has_y) {
box->y = val;
has_y = true;
} else {
break;
}
pch = strtok(NULL, "x+");
}
if (!has_width || !has_height) {
goto invalid_input;
}
free(buf);
return box;
invalid_input:
wlr_log(WLR_ERROR, "could not parse geometry string: %s", str);
free(buf);
free(box);
return NULL;
}
static uint32_t parse_modifier(const char *symname) {
if (strcmp(symname, "Shift") == 0) {
return WLR_MODIFIER_SHIFT;
} else if (strcmp(symname, "Caps") == 0) {
return WLR_MODIFIER_CAPS;
} else if (strcmp(symname, "Ctrl") == 0) {
return WLR_MODIFIER_CTRL;
} else if (strcmp(symname, "Alt") == 0) {
return WLR_MODIFIER_ALT;
} else if (strcmp(symname, "Mod2") == 0) {
return WLR_MODIFIER_MOD2;
} else if (strcmp(symname, "Mod3") == 0) {
return WLR_MODIFIER_MOD3;
} else if (strcmp(symname, "Logo") == 0) {
return WLR_MODIFIER_LOGO;
} else if (strcmp(symname, "Mod5") == 0) {
return WLR_MODIFIER_MOD5;
} else {
return 0;
}
}
static bool parse_modeline(const char *s, drmModeModeInfo *mode) {
char hsync[16];
char vsync[16];
float fclock;
mode->type = DRM_MODE_TYPE_USERDEF;
if (sscanf(s, "%f %hd %hd %hd %hd %hd %hd %hd %hd %15s %15s",
&fclock,
&mode->hdisplay,
&mode->hsync_start,
&mode->hsync_end,
&mode->htotal,
&mode->vdisplay,
&mode->vsync_start,
&mode->vsync_end,
&mode->vtotal, hsync, vsync) != 11) {
return false;
}
mode->clock = fclock * 1000;
mode->vrefresh = mode->clock * 1000.0 * 1000.0
/ mode->htotal / mode->vtotal;
if (strcasecmp(hsync, "+hsync") == 0) {
mode->flags |= DRM_MODE_FLAG_PHSYNC;
} else if (strcasecmp(hsync, "-hsync") == 0) {
mode->flags |= DRM_MODE_FLAG_NHSYNC;
} else {
return false;
}
if (strcasecmp(vsync, "+vsync") == 0) {
mode->flags |= DRM_MODE_FLAG_PVSYNC;
} else if (strcasecmp(vsync, "-vsync") == 0) {
mode->flags |= DRM_MODE_FLAG_NVSYNC;
} else {
return false;
}
snprintf(mode->name, sizeof(mode->name), "%dx%d@%d",
mode->hdisplay, mode->vdisplay, mode->vrefresh / 1000);
return true;
}
static void add_binding_config(struct wl_list *bindings, const char* combination,
const char* command) {
struct roots_binding_config *bc =
calloc(1, sizeof(struct roots_binding_config));
xkb_keysym_t keysyms[ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP];
char *symnames = strdup(combination);
char *symname = strtok(symnames, "+");
while (symname) {
uint32_t modifier = parse_modifier(symname);
if (modifier != 0) {
bc->modifiers |= modifier;
} else {
xkb_keysym_t sym = xkb_keysym_from_name(symname,
XKB_KEYSYM_NO_FLAGS);
if (sym == XKB_KEY_NoSymbol) {
wlr_log(WLR_ERROR, "got unknown key binding symbol: %s",
symname);
free(bc);
bc = NULL;
break;
}
keysyms[bc->keysyms_len] = sym;
bc->keysyms_len++;
}
symname = strtok(NULL, "+");
}
free(symnames);
if (bc) {
wl_list_insert(bindings, &bc->link);
bc->command = strdup(command);
bc->keysyms = malloc(bc->keysyms_len * sizeof(xkb_keysym_t));
memcpy(bc->keysyms, keysyms, bc->keysyms_len * sizeof(xkb_keysym_t));
}
}
static void add_switch_config(struct wl_list *switches, const char *switch_name,
const char *action, const char *command) {
struct roots_switch_config *sc =
calloc(1, sizeof(struct roots_switch_config));
if (strcmp(switch_name, "tablet") == 0) {
sc->switch_type = WLR_SWITCH_TYPE_TABLET_MODE;
} else if (strcmp(switch_name, "lid") == 0) {
sc->switch_type = WLR_SWITCH_TYPE_LID;
} else {
sc->switch_type = -1;
sc->name = strdup(switch_name);
}
if (strcmp(action, "on") == 0) {
sc->switch_state = WLR_SWITCH_STATE_ON;
} else if (strcmp(action, "off") == 0) {
sc->switch_state = WLR_SWITCH_STATE_OFF;
} else if (strcmp(action, "toggle") == 0) {
sc->switch_state = WLR_SWITCH_STATE_TOGGLE;
} else {
wlr_log(WLR_ERROR, "Invalid switch action %s for switch %s:%s",
action, switch_name, action);
free(sc);
return;
}
sc->command = strdup(command);
wl_list_insert(switches, &sc->link);
}
static void config_handle_cursor(struct roots_config *config,
const char *seat_name, const char *name, const char *value) {
struct roots_cursor_config *cc;
bool found = false;
wl_list_for_each(cc, &config->cursors, link) {
if (strcmp(cc->seat, seat_name) == 0) {
found = true;
break;
}
}
if (!found) {
cc = calloc(1, sizeof(struct roots_cursor_config));
cc->seat = strdup(seat_name);
wl_list_insert(&config->cursors, &cc->link);
}
if (strcmp(name, "map-to-output") == 0) {
free(cc->mapped_output);
cc->mapped_output = strdup(value);
} else if (strcmp(name, "geometry") == 0) {
free(cc->mapped_box);
cc->mapped_box = parse_geometry(value);
} else if (strcmp(name, "theme") == 0) {
free(cc->theme);
cc->theme = strdup(value);
} else if (strcmp(name, "default-image") == 0) {
free(cc->default_image);
cc->default_image = strdup(value);
} else {
wlr_log(WLR_ERROR, "got unknown cursor config: %s", name);
}
}
static void config_handle_keyboard(struct roots_config *config,
const char *device_name, const char *name, const char *value) {
struct roots_keyboard_config *kc;
bool found = false;
wl_list_for_each(kc, &config->keyboards, link) {
if (strcmp(kc->name, device_name) == 0) {
found = true;
break;
}
}
if (!found) {
kc = calloc(1, sizeof(struct roots_keyboard_config));
kc->name = strdup(device_name);
wl_list_insert(&config->keyboards, &kc->link);
}
if (strcmp(name, "meta-key") == 0) {
kc->meta_key = parse_modifier(value);
if (kc->meta_key == 0) {
wlr_log(WLR_ERROR, "got unknown meta key: %s", name);
}
} else if (strcmp(name, "rules") == 0) {
kc->rules = strdup(value);
} else if (strcmp(name, "model") == 0) {
kc->model = strdup(value);
} else if (strcmp(name, "layout") == 0) {
kc->layout = strdup(value);
} else if (strcmp(name, "variant") == 0) {
kc->variant = strdup(value);
} else if (strcmp(name, "options") == 0) {
kc->options = strdup(value);
} else if (strcmp(name, "repeat-rate") == 0) {
kc->repeat_rate = strtol(value, NULL, 10);
} else if (strcmp(name, "repeat-delay") == 0) {
kc->repeat_delay = strtol(value, NULL, 10);
} else {
wlr_log(WLR_ERROR, "got unknown keyboard config: %s", name);
}
}
static const char *output_prefix = "output:";
static const char *device_prefix = "device:";
static const char *keyboard_prefix = "keyboard:";
static const char *cursor_prefix = "cursor:";
static const char *switch_prefix = "switch:";
static int config_ini_handler(void *user, const char *section, const char *name,
const char *value) {
struct roots_config *config = user;
if (strcmp(section, "core") == 0) {
if (strcmp(name, "xwayland") == 0) {
if (strcasecmp(value, "true") == 0) {
config->xwayland = true;
} else if (strcasecmp(value, "immediate") == 0) {
config->xwayland = true;
config->xwayland_lazy = false;
} else if (strcasecmp(value, "false") == 0) {
config->xwayland = false;
} else {
wlr_log(WLR_ERROR, "got unknown xwayland value: %s", value);
}
} else {
wlr_log(WLR_ERROR, "got unknown core config: %s", name);
}
} else if (strncmp(output_prefix, section, strlen(output_prefix)) == 0) {
const char *output_name = section + strlen(output_prefix);
struct roots_output_config *oc;
bool found = false;
wl_list_for_each(oc, &config->outputs, link) {
if (strcmp(oc->name, output_name) == 0) {
found = true;
break;
}
}
if (!found) {
oc = calloc(1, sizeof(struct roots_output_config));
oc->name = strdup(output_name);
oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
oc->scale = 1;
oc->enable = true;
wl_list_init(&oc->modes);
wl_list_insert(&config->outputs, &oc->link);
}
if (strcmp(name, "enable") == 0) {
if (strcasecmp(value, "true") == 0) {
oc->enable = true;
} else if (strcasecmp(value, "false") == 0) {
oc->enable = false;
} else {
wlr_log(WLR_ERROR, "got invalid output enable value: %s", value);
}
} else if (strcmp(name, "x") == 0) {
oc->x = strtol(value, NULL, 10);
} else if (strcmp(name, "y") == 0) {
oc->y = strtol(value, NULL, 10);
} else if (strcmp(name, "scale") == 0) {
oc->scale = strtof(value, NULL);
assert(oc->scale > 0);
} else if (strcmp(name, "rotate") == 0) {
if (strcmp(value, "normal") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
} else if (strcmp(value, "90") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_90;
} else if (strcmp(value, "180") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_180;
} else if (strcmp(value, "270") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_270;
} else if (strcmp(value, "flipped") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_FLIPPED;
} else if (strcmp(value, "flipped-90") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_FLIPPED_90;
} else if (strcmp(value, "flipped-180") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_FLIPPED_180;
} else if (strcmp(value, "flipped-270") == 0) {
oc->transform = WL_OUTPUT_TRANSFORM_FLIPPED_270;
} else {
wlr_log(WLR_ERROR, "got unknown transform value: %s", value);
}
} else if (strcmp(name, "mode") == 0) {
char *end;
oc->mode.width = strtol(value, &end, 10);
assert(*end == 'x');
++end;
oc->mode.height = strtol(end, &end, 10);
if (*end) {
assert(*end == '@');
++end;
oc->mode.refresh_rate = strtof(end, &end);
assert(strcmp("Hz", end) == 0);
}
wlr_log(WLR_DEBUG, "Configured output %s with mode %dx%d@%f",
oc->name, oc->mode.width, oc->mode.height,
oc->mode.refresh_rate);
} else if (strcmp(name, "modeline") == 0) {
struct roots_output_mode_config *mode = calloc(1, sizeof(*mode));
if (parse_modeline(value, &mode->info)) {
wl_list_insert(&oc->modes, &mode->link);
} else {
free(mode);
wlr_log(WLR_ERROR, "Invalid modeline: %s", value);
}
}
} else if (strncmp(cursor_prefix, section, strlen(cursor_prefix)) == 0) {
const char *seat_name = section + strlen(cursor_prefix);
config_handle_cursor(config, seat_name, name, value);
} else if (strcmp(section, "cursor") == 0) {
config_handle_cursor(config, ROOTS_CONFIG_DEFAULT_SEAT_NAME, name,
value);
} else if (strncmp(device_prefix, section, strlen(device_prefix)) == 0) {
const char *device_name = section + strlen(device_prefix);
struct roots_device_config *dc;
bool found = false;
wl_list_for_each(dc, &config->devices, link) {
if (strcmp(dc->name, device_name) == 0) {
found = true;
break;
}
}
if (!found) {
dc = calloc(1, sizeof(struct roots_device_config));
dc->name = strdup(device_name);
dc->seat = strdup(ROOTS_CONFIG_DEFAULT_SEAT_NAME);
wl_list_insert(&config->devices, &dc->link);
}
if (strcmp(name, "map-to-output") == 0) {
free(dc->mapped_output);
dc->mapped_output = strdup(value);
} else if (strcmp(name, "geometry") == 0) {
free(dc->mapped_box);
dc->mapped_box = parse_geometry(value);
} else if (strcmp(name, "seat") == 0) {
free(dc->seat);
dc->seat = strdup(value);
} else if (strcmp(name, "tap_enabled") == 0) {
if (strcasecmp(value, "true") == 0) {
dc->tap_enabled = true;
} else if (strcasecmp(value, "false") == 0) {
dc->tap_enabled = false;
} else {
wlr_log(WLR_ERROR,
"got unknown tap_enabled value: %s",
value);
}
} else {
wlr_log(WLR_ERROR, "got unknown device config: %s", name);
}
} else if (strcmp(section, "keyboard") == 0) {
config_handle_keyboard(config, "", name, value);
} else if (strncmp(keyboard_prefix,
section, strlen(keyboard_prefix)) == 0) {
const char *device_name = section + strlen(keyboard_prefix);
config_handle_keyboard(config, device_name, name, value);
} else if (strcmp(section, "bindings") == 0) {
add_binding_config(&config->bindings, name, value);
} else if (strncmp(switch_prefix, section, strlen(switch_prefix)) == 0) {
const char *switch_name = section + strlen(switch_prefix);
add_switch_config(&config->switches, switch_name, name, value);
} else {
wlr_log(WLR_ERROR, "got unknown config section: %s", section);
}
return 1;
}
struct roots_config *roots_config_create_from_args(int argc, char *argv[]) {
struct roots_config *config = calloc(1, sizeof(struct roots_config));
if (config == NULL) {
return NULL;
}
config->xwayland = true;
config->xwayland_lazy = true;
wl_list_init(&config->outputs);
wl_list_init(&config->devices);
wl_list_init(&config->keyboards);
wl_list_init(&config->cursors);
wl_list_init(&config->bindings);
wl_list_init(&config->switches);
int c;
unsigned int log_verbosity = WLR_DEBUG;
while ((c = getopt(argc, argv, "C:E:hDl:")) != -1) {
switch (c) {
case 'C':
config->config_path = strdup(optarg);
break;
case 'E':
config->startup_cmd = strdup(optarg);
break;
case 'D':
config->debug_damage_tracking = true;
break;
case 'l':
log_verbosity = strtoul(optarg, NULL, 10);
if (log_verbosity >= WLR_LOG_IMPORTANCE_LAST) {
log_verbosity = WLR_LOG_IMPORTANCE_LAST - 1;
}
break;
case 'h':
case '?':
usage(argv[0], c != 'h');
}
}
wlr_log_init(log_verbosity, NULL);
if (!config->config_path) {
// get the config path from the current directory
char cwd[MAXPATHLEN];
if (getcwd(cwd, sizeof(cwd)) != NULL) {
char buf[MAXPATHLEN];
if (snprintf(buf, MAXPATHLEN, "%s/%s", cwd, "rootston.ini") >= MAXPATHLEN) {
wlr_log(WLR_ERROR, "config path too long");
exit(1);
}
config->config_path = strdup(buf);
} else {
wlr_log(WLR_ERROR, "could not get cwd");
exit(1);
}
}
int result = ini_parse(config->config_path, config_ini_handler, config);
if (result == -1) {
wlr_log(WLR_DEBUG, "No config file found. Using sensible defaults.");
add_binding_config(&config->bindings, "Logo+Shift+E", "exit");
add_binding_config(&config->bindings, "Ctrl+q", "close");
add_binding_config(&config->bindings, "Alt+Tab", "next_window");
add_binding_config(&config->bindings, "Logo+Escape", "break_pointer_constraint");
struct roots_keyboard_config *kc =
calloc(1, sizeof(struct roots_keyboard_config));
kc->meta_key = WLR_MODIFIER_LOGO;
kc->name = strdup("");
wl_list_insert(&config->keyboards, &kc->link);
} else if (result == -2) {
wlr_log(WLR_ERROR, "Could not allocate memory to parse config file");
exit(1);
} else if (result != 0) {
wlr_log(WLR_ERROR, "Could not parse config file");
exit(1);
}
return config;
}
void roots_config_destroy(struct roots_config *config) {
struct roots_output_config *oc, *otmp = NULL;
wl_list_for_each_safe(oc, otmp, &config->outputs, link) {
struct roots_output_mode_config *omc, *omctmp = NULL;
wl_list_for_each_safe(omc, omctmp, &oc->modes, link) {
free(omc);
}
free(oc->name);
free(oc);
}
struct roots_device_config *dc, *dtmp = NULL;
wl_list_for_each_safe(dc, dtmp, &config->devices, link) {
free(dc->name);
free(dc->seat);
free(dc->mapped_output);
free(dc->mapped_box);
free(dc);
}
struct roots_keyboard_config *kc, *ktmp = NULL;
wl_list_for_each_safe(kc, ktmp, &config->keyboards, link) {
free(kc->name);
free(kc->rules);
free(kc->model);
free(kc->layout);
free(kc->variant);
free(kc->options);
free(kc);
}
struct roots_cursor_config *cc, *ctmp = NULL;
wl_list_for_each_safe(cc, ctmp, &config->cursors, link) {
free(cc->seat);
free(cc->mapped_output);
free(cc->mapped_box);
free(cc->theme);
free(cc->default_image);
free(cc);
}
struct roots_binding_config *bc, *btmp = NULL;
wl_list_for_each_safe(bc, btmp, &config->bindings, link) {
free(bc->keysyms);
free(bc->command);
free(bc);
}
free(config->config_path);
free(config);
}
struct roots_output_config *roots_config_get_output(struct roots_config *config,
struct wlr_output *output) {
char name[88];
snprintf(name, sizeof(name), "%s %s %s", output->make, output->model,
output->serial);
struct roots_output_config *oc;
wl_list_for_each(oc, &config->outputs, link) {
if (strcmp(oc->name, output->name) == 0 ||
strcmp(oc->name, name) == 0) {
return oc;
}
}
return NULL;
}
struct roots_device_config *roots_config_get_device(struct roots_config *config,
struct wlr_input_device *device) {
struct roots_device_config *d_config;
wl_list_for_each(d_config, &config->devices, link) {
if (strcmp(d_config->name, device->name) == 0) {
return d_config;
}
}
return NULL;
}
struct roots_keyboard_config *roots_config_get_keyboard(
struct roots_config *config, struct wlr_input_device *device) {
const char *device_name = "";
if (device != NULL) {
device_name = device->name;
}
struct roots_keyboard_config *kc;
wl_list_for_each(kc, &config->keyboards, link) {
if (strcmp(kc->name, device_name) == 0) {
return kc;
}
}
return NULL;
}
struct roots_cursor_config *roots_config_get_cursor(struct roots_config *config,
const char *seat_name) {
if (seat_name == NULL) {
seat_name = ROOTS_CONFIG_DEFAULT_SEAT_NAME;
}
struct roots_cursor_config *cc;
wl_list_for_each(cc, &config->cursors, link) {
if (strcmp(cc->seat, seat_name) == 0) {
return cc;
}
}
return NULL;
}

632
rootston/cursor.c
Unescape View File

@ -1,632 +0,0 @@
#define _XOPEN_SOURCE 700
#include <assert.h>
#include <math.h>
#include <stdlib.h>
#include <wlr/types/wlr_region.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include <wlr/util/edges.h>
#include <wlr/util/log.h>
#include <wlr/util/region.h>
#include <linux/input-event-codes.h>
#include "rootston/cursor.h"
#include "rootston/desktop.h"
#include "rootston/view.h"
#include "rootston/xcursor.h"
struct roots_cursor *roots_cursor_create(struct roots_seat *seat) {
struct roots_cursor *cursor = calloc(1, sizeof(struct roots_cursor));
if (!cursor) {
return NULL;
}
cursor->cursor = wlr_cursor_create();
if (!cursor->cursor) {
free(cursor);
return NULL;
}
cursor->default_xcursor = ROOTS_XCURSOR_DEFAULT;
return cursor;
}
void roots_cursor_destroy(struct roots_cursor *cursor) {
// TODO
}
static void seat_view_deco_motion(struct roots_seat_view *view,
double deco_sx, double deco_sy) {
struct roots_cursor *cursor = view->seat->cursor;
double sx = deco_sx;
double sy = deco_sy;
if (view->has_button_grab) {
sx = view->grab_sx;
sy = view->grab_sy;
}
enum roots_deco_part parts = view_get_deco_part(view->view, sx, sy);
bool is_titlebar = (parts & ROOTS_DECO_PART_TITLEBAR);
uint32_t edges = 0;
if (parts & ROOTS_DECO_PART_LEFT_BORDER) {
edges |= WLR_EDGE_LEFT;
} else if (parts & ROOTS_DECO_PART_RIGHT_BORDER) {
edges |= WLR_EDGE_RIGHT;
} else if (parts & ROOTS_DECO_PART_BOTTOM_BORDER) {
edges |= WLR_EDGE_BOTTOM;
} else if (parts & ROOTS_DECO_PART_TOP_BORDER) {
edges |= WLR_EDGE_TOP;
}
if (view->has_button_grab) {
if (is_titlebar) {
roots_seat_begin_move(view->seat, view->view);
} else if (edges) {
roots_seat_begin_resize(view->seat, view->view, edges);
}
view->has_button_grab = false;
} else {
if (is_titlebar) {
wlr_xcursor_manager_set_cursor_image(cursor->xcursor_manager,
cursor->default_xcursor, cursor->cursor);
} else if (edges) {
const char *resize_name = wlr_xcursor_get_resize_name(edges);
wlr_xcursor_manager_set_cursor_image(cursor->xcursor_manager,
resize_name, cursor->cursor);
}
}
}
static void seat_view_deco_leave(struct roots_seat_view *view) {
struct roots_cursor *cursor = view->seat->cursor;
wlr_xcursor_manager_set_cursor_image(cursor->xcursor_manager,
cursor->default_xcursor, cursor->cursor);
view->has_button_grab = false;
}
static void seat_view_deco_button(struct roots_seat_view *view, double sx,
double sy, uint32_t button, uint32_t state) {
if (button == BTN_LEFT && state == WLR_BUTTON_PRESSED) {
view->has_button_grab = true;
view->grab_sx = sx;
view->grab_sy = sy;
} else {
view->has_button_grab = false;
}
enum roots_deco_part parts = view_get_deco_part(view->view, sx, sy);
if (state == WLR_BUTTON_RELEASED && (parts & ROOTS_DECO_PART_TITLEBAR)) {
struct roots_cursor *cursor = view->seat->cursor;
wlr_xcursor_manager_set_cursor_image(cursor->xcursor_manager,
cursor->default_xcursor, cursor->cursor);
}
}
static void roots_passthrough_cursor(struct roots_cursor *cursor,
uint32_t time) {
double sx, sy;
struct roots_view *view = NULL;
struct roots_seat *seat = cursor->seat;
struct roots_desktop *desktop = seat->input->server->desktop;
struct wlr_surface *surface = desktop_surface_at(desktop,
cursor->cursor->x, cursor->cursor->y, &sx, &sy, &view);
struct wl_client *client = NULL;
if (surface) {
client = wl_resource_get_client(surface->resource);
}
if (surface && !roots_seat_allow_input(seat, surface->resource)) {
return;
}
if (cursor->cursor_client != client) {
wlr_xcursor_manager_set_cursor_image(cursor->xcursor_manager,
cursor->default_xcursor, cursor->cursor);
cursor->cursor_client = client;
}
if (view) {
struct roots_seat_view *seat_view =
roots_seat_view_from_view(seat, view);
if (cursor->pointer_view &&
!cursor->wlr_surface && (surface || seat_view != cursor->pointer_view)) {
seat_view_deco_leave(cursor->pointer_view);
}
cursor->pointer_view = seat_view;
if (!surface) {
seat_view_deco_motion(seat_view, sx, sy);
}
} else {
cursor->pointer_view = NULL;
}
cursor->wlr_surface = surface;
if (surface) {
wlr_seat_pointer_notify_enter(seat->seat, surface, sx, sy);
wlr_seat_pointer_notify_motion(seat->seat, time, sx, sy);
} else {
wlr_seat_pointer_clear_focus(seat->seat);
}
if (seat->drag_icon != NULL) {
roots_drag_icon_update_position(seat->drag_icon);
}
}
static inline int64_t timespec_to_msec(const struct timespec *a) {
return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
}
void roots_cursor_update_focus(struct roots_cursor *cursor) {
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
roots_passthrough_cursor(cursor, timespec_to_msec(&now));
}
void roots_cursor_update_position(struct roots_cursor *cursor,
uint32_t time) {
struct roots_seat *seat = cursor->seat;
struct roots_view *view;
switch (cursor->mode) {
case ROOTS_CURSOR_PASSTHROUGH:
roots_passthrough_cursor(cursor, time);
break;
case ROOTS_CURSOR_MOVE:
view = roots_seat_get_focus(seat);
if (view != NULL) {
double dx = cursor->cursor->x - cursor->offs_x;
double dy = cursor->cursor->y - cursor->offs_y;
view_move(view, cursor->view_x + dx,
cursor->view_y + dy);
}
break;
case ROOTS_CURSOR_RESIZE:
view = roots_seat_get_focus(seat);
if (view != NULL) {
double dx = cursor->cursor->x - cursor->offs_x;
double dy = cursor->cursor->y - cursor->offs_y;
double x = view->box.x;
double y = view->box.y;
int width = cursor->view_width;
int height = cursor->view_height;
if (cursor->resize_edges & WLR_EDGE_TOP) {
y = cursor->view_y + dy;
height -= dy;
if (height < 1) {
y += height;
}
} else if (cursor->resize_edges & WLR_EDGE_BOTTOM) {
height += dy;
}
if (cursor->resize_edges & WLR_EDGE_LEFT) {
x = cursor->view_x + dx;
width -= dx;
if (width < 1) {
x += width;
}
} else if (cursor->resize_edges & WLR_EDGE_RIGHT) {
width += dx;
}
view_move_resize(view, x, y,
width < 1 ? 1 : width,
height < 1 ? 1 : height);
}
break;
case ROOTS_CURSOR_ROTATE:
view = roots_seat_get_focus(seat);
if (view != NULL) {
int ox = view->box.x + view->wlr_surface->current.width/2,
oy = view->box.y + view->wlr_surface->current.height/2;
int ux = cursor->offs_x - ox,
uy = cursor->offs_y - oy;
int vx = cursor->cursor->x - ox,
vy = cursor->cursor->y - oy;
float angle = atan2(ux*vy - uy*vx, vx*ux + vy*uy);
int steps = 12;
angle = round(angle/M_PI*steps) / (steps/M_PI);
view_rotate(view, cursor->view_rotation + angle);
}
break;
}
}
static void roots_cursor_press_button(struct roots_cursor *cursor,
struct wlr_input_device *device, uint32_t time, uint32_t button,
uint32_t state, double lx, double ly) {
struct roots_seat *seat = cursor->seat;
struct roots_desktop *desktop = seat->input->server->desktop;
bool is_touch = device->type == WLR_INPUT_DEVICE_TOUCH;
double sx, sy;
struct roots_view *view;
struct wlr_surface *surface = desktop_surface_at(desktop,
lx, ly, &sx, &sy, &view);
if (state == WLR_BUTTON_PRESSED && view &&
roots_seat_has_meta_pressed(seat)) {
roots_seat_set_focus(seat, view);
uint32_t edges;
switch (button) {
case BTN_LEFT:
roots_seat_begin_move(seat, view);
break;
case BTN_RIGHT:
edges = 0;
if (sx < view->wlr_surface->current.width/2) {
edges |= WLR_EDGE_LEFT;
} else {
edges |= WLR_EDGE_RIGHT;
}
if (sy < view->wlr_surface->current.height/2) {
edges |= WLR_EDGE_TOP;
} else {
edges |= WLR_EDGE_BOTTOM;
}
roots_seat_begin_resize(seat, view, edges);
break;
case BTN_MIDDLE:
roots_seat_begin_rotate(seat, view);
break;
}
} else {
if (view && !surface && cursor->pointer_view) {
seat_view_deco_button(cursor->pointer_view,
sx, sy, button, state);
}
if (state == WLR_BUTTON_RELEASED &&
cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
cursor->mode = ROOTS_CURSOR_PASSTHROUGH;
}
if (state == WLR_BUTTON_PRESSED) {
if (view) {
roots_seat_set_focus(seat, view);
}
if (surface && wlr_surface_is_layer_surface(surface)) {
struct wlr_layer_surface_v1 *layer =
wlr_layer_surface_v1_from_wlr_surface(surface);
if (layer->current.keyboard_interactive) {
roots_seat_set_focus_layer(seat, layer);
}
}
}
}
if (!is_touch) {
wlr_seat_pointer_notify_button(seat->seat, time, button, state);
}
}
void roots_cursor_handle_motion(struct roots_cursor *cursor,
struct wlr_event_pointer_motion *event) {
double dx = event->delta_x;
double dy = event->delta_y;
double dx_unaccel = event->unaccel_dx;
double dy_unaccel = event->unaccel_dy;
wlr_relative_pointer_manager_v1_send_relative_motion(
cursor->seat->input->server->desktop->relative_pointer_manager,
cursor->seat->seat, (uint64_t)event->time_msec * 1000, dx, dy,
dx_unaccel, dy_unaccel);
if (cursor->active_constraint) {
struct roots_view *view = cursor->pointer_view->view;
assert(view);
// TODO: handle rotated views
if (view->rotation == 0.0) {
double lx1 = cursor->cursor->x;
double ly1 = cursor->cursor->y;
double lx2 = lx1 + dx;
double ly2 = ly1 + dy;
double sx1 = lx1 - view->box.x;
double sy1 = ly1 - view->box.y;
double sx2 = lx2 - view->box.x;
double sy2 = ly2 - view->box.y;
double sx2_confined, sy2_confined;
if (!wlr_region_confine(&cursor->confine, sx1, sy1, sx2, sy2,
&sx2_confined, &sy2_confined)) {
return;
}
dx = sx2_confined - sx1;
dy = sy2_confined - sy1;
}
}
wlr_cursor_move(cursor->cursor, event->device, dx, dy);
roots_cursor_update_position(cursor, event->time_msec);
}
void roots_cursor_handle_motion_absolute(struct roots_cursor *cursor,
struct wlr_event_pointer_motion_absolute *event) {
double lx, ly;
wlr_cursor_absolute_to_layout_coords(cursor->cursor, event->device, event->x,
event->y, &lx, &ly);
double dx = lx - cursor->cursor->x;
double dy = ly - cursor->cursor->y;
wlr_relative_pointer_manager_v1_send_relative_motion(
cursor->seat->input->server->desktop->relative_pointer_manager,
cursor->seat->seat, (uint64_t)event->time_msec * 1000, dx, dy, dx, dy);
if (cursor->pointer_view) {
struct roots_view *view = cursor->pointer_view->view;
if (cursor->active_constraint &&
!pixman_region32_contains_point(&cursor->confine,
floor(lx - view->box.x), floor(ly - view->box.y), NULL)) {
return;
}
}
wlr_cursor_warp_closest(cursor->cursor, event->device, lx, ly);
roots_cursor_update_position(cursor, event->time_msec);
}
void roots_cursor_handle_button(struct roots_cursor *cursor,
struct wlr_event_pointer_button *event) {
roots_cursor_press_button(cursor, event->device, event->time_msec,
event->button, event->state, cursor->cursor->x, cursor->cursor->y);
}
void roots_cursor_handle_axis(struct roots_cursor *cursor,
struct wlr_event_pointer_axis *event) {
wlr_seat_pointer_notify_axis(cursor->seat->seat, event->time_msec,
event->orientation, event->delta, event->delta_discrete, event->source);
}
void roots_cursor_handle_frame(struct roots_cursor *cursor) {
wlr_seat_pointer_notify_frame(cursor->seat->seat);
}
void roots_cursor_handle_touch_down(struct roots_cursor *cursor,
struct wlr_event_touch_down *event) {
struct roots_desktop *desktop = cursor->seat->input->server->desktop;
double lx, ly;
wlr_cursor_absolute_to_layout_coords(cursor->cursor, event->device,
event->x, event->y, &lx, &ly);
double sx, sy;
struct wlr_surface *surface = desktop_surface_at(
desktop, lx, ly, &sx, &sy, NULL);
uint32_t serial = 0;
if (surface && roots_seat_allow_input(cursor->seat, surface->resource)) {
serial = wlr_seat_touch_notify_down(cursor->seat->seat, surface,
event->time_msec, event->touch_id, sx, sy);
}
if (serial && wlr_seat_touch_num_points(cursor->seat->seat) == 1) {
cursor->seat->touch_id = event->touch_id;
cursor->seat->touch_x = lx;
cursor->seat->touch_y = ly;
roots_cursor_press_button(cursor, event->device, event->time_msec,
BTN_LEFT, 1, lx, ly);
}
}
void roots_cursor_handle_touch_up(struct roots_cursor *cursor,
struct wlr_event_touch_up *event) {
struct wlr_touch_point *point =
wlr_seat_touch_get_point(cursor->seat->seat, event->touch_id);
if (!point) {
return;
}
if (wlr_seat_touch_num_points(cursor->seat->seat) == 1) {
roots_cursor_press_button(cursor, event->device, event->time_msec,
BTN_LEFT, 0, cursor->seat->touch_x, cursor->seat->touch_y);
}
wlr_seat_touch_notify_up(cursor->seat->seat, event->time_msec,
event->touch_id);
}
void roots_cursor_handle_touch_motion(struct roots_cursor *cursor,
struct wlr_event_touch_motion *event) {
struct roots_desktop *desktop = cursor->seat->input->server->desktop;
struct wlr_touch_point *point =
wlr_seat_touch_get_point(cursor->seat->seat, event->touch_id);
if (!point) {
return;
}
double lx, ly;
wlr_cursor_absolute_to_layout_coords(cursor->cursor, event->device,
event->x, event->y, &lx, &ly);
double sx, sy;
struct wlr_surface *surface = desktop_surface_at(
desktop, lx, ly, &sx, &sy, NULL);
if (surface && roots_seat_allow_input(cursor->seat, surface->resource)) {
wlr_seat_touch_point_focus(cursor->seat->seat, surface,
event->time_msec, event->touch_id, sx, sy);
wlr_seat_touch_notify_motion(cursor->seat->seat, event->time_msec,
event->touch_id, sx, sy);
} else {
wlr_seat_touch_point_clear_focus(cursor->seat->seat, event->time_msec,
event->touch_id);
}
if (event->touch_id == cursor->seat->touch_id) {
cursor->seat->touch_x = lx;
cursor->seat->touch_y = ly;
}
}
void roots_cursor_handle_tool_axis(struct roots_cursor *cursor,
struct wlr_event_tablet_tool_axis *event) {
double x = NAN, y = NAN;
if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X) &&
(event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
x = event->x;
y = event->y;
} else if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X)) {
x = event->x;
} else if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) {
y = event->y;
}
double lx, ly;
wlr_cursor_absolute_to_layout_coords(cursor->cursor, event->device,
x, y, &lx, &ly);
if (cursor->pointer_view) {
struct roots_view *view = cursor->pointer_view->view;
if (cursor->active_constraint &&
!pixman_region32_contains_point(&cursor->confine,
floor(lx - view->box.x), floor(ly - view->box.y), NULL)) {
return;
}
}
wlr_cursor_warp_closest(cursor->cursor, event->device, lx, ly);
roots_cursor_update_position(cursor, event->time_msec);
}
void roots_cursor_handle_tool_tip(struct roots_cursor *cursor,
struct wlr_event_tablet_tool_tip *event) {
roots_cursor_press_button(cursor, event->device,
event->time_msec, BTN_LEFT, event->state, cursor->cursor->x,
cursor->cursor->y);
}
void roots_cursor_handle_request_set_cursor(struct roots_cursor *cursor,
struct wlr_seat_pointer_request_set_cursor_event *event) {
struct wlr_surface *focused_surface =
event->seat_client->seat->pointer_state.focused_surface;
bool has_focused =
focused_surface != NULL && focused_surface->resource != NULL;
struct wl_client *focused_client = NULL;
if (has_focused) {
focused_client = wl_resource_get_client(focused_surface->resource);
}
if (event->seat_client->client != focused_client ||
cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
wlr_log(WLR_DEBUG, "Denying request to set cursor from unfocused client");
return;
}
wlr_cursor_set_surface(cursor->cursor, event->surface, event->hotspot_x,
event->hotspot_y);
cursor->cursor_client = event->seat_client->client;
}
void roots_cursor_handle_focus_change(struct roots_cursor *cursor,
struct wlr_seat_pointer_focus_change_event *event) {
double sx = event->sx;
double sy = event->sy;
double lx = cursor->cursor->x;
double ly = cursor->cursor->y;
wlr_log(WLR_DEBUG, "entered surface %p, lx: %f, ly: %f, sx: %f, sy: %f",
event->new_surface, lx, ly, sx, sy);
roots_cursor_constrain(cursor,
wlr_pointer_constraints_v1_constraint_for_surface(
cursor->seat->input->server->desktop->pointer_constraints,
event->new_surface, cursor->seat->seat),
sx, sy);
}
void roots_cursor_handle_constraint_commit(struct roots_cursor *cursor) {
struct roots_desktop *desktop = cursor->seat->input->server->desktop;
struct roots_view *view;
double sx, sy;
struct wlr_surface *surface = desktop_surface_at(desktop,
cursor->cursor->x, cursor->cursor->y, &sx, &sy, &view);
// This should never happen but views move around right when they're
// created from (0, 0) to their actual coordinates.
if (surface != cursor->active_constraint->surface) {
roots_cursor_update_focus(cursor);
} else {
roots_cursor_constrain(cursor, cursor->active_constraint, sx, sy);
}
}
static void handle_constraint_commit(struct wl_listener *listener,
void *data) {
struct roots_cursor *cursor =
wl_container_of(listener, cursor, constraint_commit);
assert(cursor->active_constraint->surface == data);
roots_cursor_handle_constraint_commit(cursor);
}
void roots_cursor_constrain(struct roots_cursor *cursor,
struct wlr_pointer_constraint_v1 *constraint, double sx, double sy) {
if (cursor->active_constraint == constraint) {
return;
}
wlr_log(WLR_DEBUG, "roots_cursor_constrain(%p, %p)",
cursor, constraint);
wlr_log(WLR_DEBUG, "cursor->active_constraint: %p",
cursor->active_constraint);
wl_list_remove(&cursor->constraint_commit.link);
wl_list_init(&cursor->constraint_commit.link);
if (cursor->active_constraint) {
wlr_pointer_constraint_v1_send_deactivated(
cursor->active_constraint);
}
cursor->active_constraint = constraint;
if (constraint == NULL) {
return;
}
wlr_pointer_constraint_v1_send_activated(constraint);
wl_list_remove(&cursor->constraint_commit.link);
wl_signal_add(&constraint->surface->events.commit,
&cursor->constraint_commit);
cursor->constraint_commit.notify = handle_constraint_commit;
pixman_region32_clear(&cursor->confine);
pixman_region32_t *region = &constraint->region;
if (!pixman_region32_contains_point(region, floor(sx), floor(sy), NULL)) {
// Warp into region if possible
int nboxes;
pixman_box32_t *boxes = pixman_region32_rectangles(region, &nboxes);
if (nboxes > 0) {
struct roots_view *view = cursor->pointer_view->view;
double sx = (boxes[0].x1 + boxes[0].x2) / 2.;
double sy = (boxes[0].y1 + boxes[0].y2) / 2.;
rotate_child_position(&sx, &sy, 0, 0, view->box.width, view->box.height,
view->rotation);
double lx = view->box.x + sx;
double ly = view->box.y + sy;
wlr_cursor_warp_closest(cursor->cursor, NULL, lx, ly);
}
}
// A locked pointer will result in an empty region, thus disallowing all movement
if (constraint->type == WLR_POINTER_CONSTRAINT_V1_CONFINED) {
pixman_region32_copy(&cursor->confine, region);
}
}

465
rootston/desktop.c
Unescape View File

@ -1,465 +0,0 @@
#define _POSIX_C_SOURCE 200112L
#include <assert.h>
#include <math.h>
#include <stdlib.h>
#include <time.h>
#include <wlr/config.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_data_control_v1.h>
#include <wlr/types/wlr_export_dmabuf_v1.h>
#include <wlr/types/wlr_gamma_control_v1.h>
#include <wlr/types/wlr_gtk_primary_selection.h>
#include <wlr/types/wlr_idle_inhibit_v1.h>
#include <wlr/types/wlr_idle.h>
#include <wlr/types/wlr_input_inhibitor.h>
#include <wlr/types/wlr_layer_shell_v1.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_pointer_constraints_v1.h>
#include <wlr/types/wlr_primary_selection_v1.h>
#include <wlr/types/wlr_server_decoration.h>
#include <wlr/types/wlr_tablet_v2.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include <wlr/types/wlr_xdg_output_v1.h>
#include <wlr/types/wlr_xdg_output_v1.h>
#include <wlr/types/wlr_xdg_shell_v6.h>
#include <wlr/types/wlr_xdg_shell.h>
#include <wlr/util/log.h>
#include "rootston/layers.h"
#include "rootston/seat.h"
#include "rootston/server.h"
#include "rootston/view.h"
#include "rootston/virtual_keyboard.h"
#include "rootston/xcursor.h"
#include "wlr-layer-shell-unstable-v1-protocol.h"
static bool view_at(struct roots_view *view, double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy) {
if (view->wlr_surface == NULL) {
return false;
}
double view_sx = lx - view->box.x;
double view_sy = ly - view->box.y;
rotate_child_position(&view_sx, &view_sy, 0, 0,
view->box.width, view->box.height, -view->rotation);
double _sx, _sy;
struct wlr_surface *_surface = NULL;
switch (view->type) {
case ROOTS_XDG_SHELL_V6_VIEW:;
struct roots_xdg_surface_v6 *xdg_surface_v6 =
roots_xdg_surface_v6_from_view(view);
_surface = wlr_xdg_surface_v6_surface_at(xdg_surface_v6->xdg_surface_v6,
view_sx, view_sy, &_sx, &_sy);
break;
case ROOTS_XDG_SHELL_VIEW:;
struct roots_xdg_surface *xdg_surface =
roots_xdg_surface_from_view(view);
_surface = wlr_xdg_surface_surface_at(xdg_surface->xdg_surface,
view_sx, view_sy, &_sx, &_sy);
break;
#if WLR_HAS_XWAYLAND
case ROOTS_XWAYLAND_VIEW:
_surface = wlr_surface_surface_at(view->wlr_surface,
view_sx, view_sy, &_sx, &_sy);
break;
#endif
}
if (_surface != NULL) {
*sx = _sx;
*sy = _sy;
*surface = _surface;
return true;
}
if (view_get_deco_part(view, view_sx, view_sy)) {
*sx = view_sx;
*sy = view_sy;
*surface = NULL;
return true;
}
return false;
}
static struct roots_view *desktop_view_at(struct roots_desktop *desktop,
double lx, double ly, struct wlr_surface **surface,
double *sx, double *sy) {
struct roots_view *view;
wl_list_for_each(view, &desktop->views, link) {
if (view_at(view, lx, ly, surface, sx, sy)) {
return view;
}
}
return NULL;
}
static struct wlr_surface *layer_surface_at(struct roots_output *output,
struct wl_list *layer, double ox, double oy, double *sx, double *sy) {
struct roots_layer_surface *roots_surface;
wl_list_for_each_reverse(roots_surface, layer, link) {
double _sx = ox - roots_surface->geo.x;
double _sy = oy - roots_surface->geo.y;
struct wlr_surface *sub = wlr_layer_surface_v1_surface_at(
roots_surface->layer_surface, _sx, _sy, sx, sy);
if (sub) {
return sub;
}
}
return NULL;
}
struct wlr_surface *desktop_surface_at(struct roots_desktop *desktop,
double lx, double ly, double *sx, double *sy,
struct roots_view **view) {
struct wlr_surface *surface = NULL;
struct wlr_output *wlr_output =
wlr_output_layout_output_at(desktop->layout, lx, ly);
struct roots_output *roots_output = NULL;
double ox = lx, oy = ly;
if (view) {
*view = NULL;
}
if (wlr_output) {
roots_output = wlr_output->data;
wlr_output_layout_output_coords(desktop->layout, wlr_output, &ox, &oy);
if ((surface = layer_surface_at(roots_output,
&roots_output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
ox, oy, sx, sy))) {
return surface;
}
struct roots_output *output =
desktop_output_from_wlr_output(desktop, wlr_output);
if (output != NULL && output->fullscreen_view != NULL) {
if (view_at(output->fullscreen_view, lx, ly, &surface, sx, sy)) {
return surface;
} else {
return NULL;
}
}
if ((surface = layer_surface_at(roots_output,
&roots_output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
ox, oy, sx, sy))) {
return surface;
}
}
struct roots_view *_view;
if ((_view = desktop_view_at(desktop, lx, ly, &surface, sx, sy))) {
if (view) {
*view = _view;
}
return surface;
}
if (wlr_output) {
if ((surface = layer_surface_at(roots_output,
&roots_output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
ox, oy, sx, sy))) {
return surface;
}
if ((surface = layer_surface_at(roots_output,
&roots_output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
ox, oy, sx, sy))) {
return surface;
}
}
return NULL;
}
static void handle_layout_change(struct wl_listener *listener, void *data) {
struct roots_desktop *desktop =
wl_container_of(listener, desktop, layout_change);
struct wlr_output *center_output =
wlr_output_layout_get_center_output(desktop->layout);
if (center_output == NULL) {
return;
}
struct wlr_box *center_output_box =
wlr_output_layout_get_box(desktop->layout, center_output);
double center_x = center_output_box->x + center_output_box->width/2;
double center_y = center_output_box->y + center_output_box->height/2;
struct roots_view *view;
wl_list_for_each(view, &desktop->views, link) {
struct wlr_box box;
view_get_box(view, &box);
if (wlr_output_layout_intersects(desktop->layout, NULL, &box)) {
continue;
}
view_move(view, center_x - box.width/2, center_y - box.height/2);
}
}
static void input_inhibit_activate(struct wl_listener *listener, void *data) {
struct roots_desktop *desktop = wl_container_of(
listener, desktop, input_inhibit_activate);
struct roots_seat *seat;
wl_list_for_each(seat, &desktop->server->input->seats, link) {
roots_seat_set_exclusive_client(seat,
desktop->input_inhibit->active_client);
}
}
static void input_inhibit_deactivate(struct wl_listener *listener, void *data) {
struct roots_desktop *desktop = wl_container_of(
listener, desktop, input_inhibit_deactivate);
struct roots_seat *seat;
wl_list_for_each(seat, &desktop->server->input->seats, link) {
roots_seat_set_exclusive_client(seat, NULL);
}
}
static void handle_constraint_destroy(struct wl_listener *listener,
void *data) {
struct roots_pointer_constraint *constraint =
wl_container_of(listener, constraint, destroy);
struct wlr_pointer_constraint_v1 *wlr_constraint = data;
struct roots_seat *seat = wlr_constraint->seat->data;
wl_list_remove(&constraint->destroy.link);
if (seat->cursor->active_constraint == wlr_constraint) {
wl_list_remove(&seat->cursor->constraint_commit.link);
wl_list_init(&seat->cursor->constraint_commit.link);
seat->cursor->active_constraint = NULL;
if (wlr_constraint->current.committed &
WLR_POINTER_CONSTRAINT_V1_STATE_CURSOR_HINT &&
seat->cursor->pointer_view) {
double sx = wlr_constraint->current.cursor_hint.x;
double sy = wlr_constraint->current.cursor_hint.y;
struct roots_view *view = seat->cursor->pointer_view->view;
rotate_child_position(&sx, &sy, 0, 0, view->box.width, view->box.height,
view->rotation);
double lx = view->box.x + sx;
double ly = view->box.y + sy;
wlr_cursor_warp(seat->cursor->cursor, NULL, lx, ly);
}
}
free(constraint);
}
static void handle_pointer_constraint(struct wl_listener *listener,
void *data) {
struct wlr_pointer_constraint_v1 *wlr_constraint = data;
struct roots_seat *seat = wlr_constraint->seat->data;
struct roots_pointer_constraint *constraint =
calloc(1, sizeof(struct roots_pointer_constraint));
constraint->constraint = wlr_constraint;
constraint->destroy.notify = handle_constraint_destroy;
wl_signal_add(&wlr_constraint->events.destroy, &constraint->destroy);
double sx, sy;
struct wlr_surface *surface = desktop_surface_at(
seat->input->server->desktop,
seat->cursor->cursor->x, seat->cursor->cursor->y, &sx, &sy, NULL);
if (surface == wlr_constraint->surface) {
assert(!seat->cursor->active_constraint);
roots_cursor_constrain(seat->cursor, wlr_constraint, sx, sy);
}
}
struct roots_desktop *desktop_create(struct roots_server *server,
struct roots_config *config) {
wlr_log(WLR_DEBUG, "Initializing roots desktop");
struct roots_desktop *desktop = calloc(1, sizeof(struct roots_desktop));
if (desktop == NULL) {
return NULL;
}
wl_list_init(&desktop->views);
wl_list_init(&desktop->outputs);
desktop->new_output.notify = handle_new_output;
wl_signal_add(&server->backend->events.new_output, &desktop->new_output);
desktop->server = server;
desktop->config = config;
desktop->layout = wlr_output_layout_create();
wlr_xdg_output_manager_v1_create(server->wl_display, desktop->layout);
desktop->layout_change.notify = handle_layout_change;
wl_signal_add(&desktop->layout->events.change, &desktop->layout_change);
desktop->compositor = wlr_compositor_create(server->wl_display,
server->renderer);
desktop->xdg_shell_v6 = wlr_xdg_shell_v6_create(server->wl_display);
wl_signal_add(&desktop->xdg_shell_v6->events.new_surface,
&desktop->xdg_shell_v6_surface);
desktop->xdg_shell_v6_surface.notify = handle_xdg_shell_v6_surface;
desktop->xdg_shell = wlr_xdg_shell_create(server->wl_display);
wl_signal_add(&desktop->xdg_shell->events.new_surface,
&desktop->xdg_shell_surface);
desktop->xdg_shell_surface.notify = handle_xdg_shell_surface;
desktop->layer_shell = wlr_layer_shell_v1_create(server->wl_display);
wl_signal_add(&desktop->layer_shell->events.new_surface,
&desktop->layer_shell_surface);
desktop->layer_shell_surface.notify = handle_layer_shell_surface;
desktop->tablet_v2 = wlr_tablet_v2_create(server->wl_display);
const char *cursor_theme = NULL;
#if WLR_HAS_XWAYLAND
const char *cursor_default = ROOTS_XCURSOR_DEFAULT;
#endif
struct roots_cursor_config *cc =
roots_config_get_cursor(config, ROOTS_CONFIG_DEFAULT_SEAT_NAME);
if (cc != NULL) {
cursor_theme = cc->theme;
#if WLR_HAS_XWAYLAND
if (cc->default_image != NULL) {
cursor_default = cc->default_image;
}
#endif
}
char cursor_size_fmt[16];
snprintf(cursor_size_fmt, sizeof(cursor_size_fmt),
"%d", ROOTS_XCURSOR_SIZE);
setenv("XCURSOR_SIZE", cursor_size_fmt, 1);
if (cursor_theme != NULL) {
setenv("XCURSOR_THEME", cursor_theme, 1);
}
#if WLR_HAS_XWAYLAND
desktop->xcursor_manager = wlr_xcursor_manager_create(cursor_theme,
ROOTS_XCURSOR_SIZE);
if (desktop->xcursor_manager == NULL) {
wlr_log(WLR_ERROR, "Cannot create XCursor manager for theme %s",
cursor_theme);
free(desktop);
return NULL;
}
if (config->xwayland) {
desktop->xwayland = wlr_xwayland_create(server->wl_display,
desktop->compositor, config->xwayland_lazy);
wl_signal_add(&desktop->xwayland->events.new_surface,
&desktop->xwayland_surface);
desktop->xwayland_surface.notify = handle_xwayland_surface;
setenv("DISPLAY", desktop->xwayland->display_name, true);
if (wlr_xcursor_manager_load(desktop->xcursor_manager, 1)) {
wlr_log(WLR_ERROR, "Cannot load XWayland XCursor theme");
}
struct wlr_xcursor *xcursor = wlr_xcursor_manager_get_xcursor(
desktop->xcursor_manager, cursor_default, 1);
if (xcursor != NULL) {
struct wlr_xcursor_image *image = xcursor->images[0];
wlr_xwayland_set_cursor(desktop->xwayland, image->buffer,
image->width * 4, image->width, image->height, image->hotspot_x,
image->hotspot_y);
}
}
#endif
desktop->gamma_control_manager_v1 = wlr_gamma_control_manager_v1_create(
server->wl_display);
desktop->export_dmabuf_manager_v1 =
wlr_export_dmabuf_manager_v1_create(server->wl_display);
desktop->server_decoration_manager =
wlr_server_decoration_manager_create(server->wl_display);
wlr_server_decoration_manager_set_default_mode(
desktop->server_decoration_manager,
WLR_SERVER_DECORATION_MANAGER_MODE_CLIENT);
desktop->idle = wlr_idle_create(server->wl_display);
desktop->idle_inhibit = wlr_idle_inhibit_v1_create(server->wl_display);
desktop->primary_selection_device_manager =
wlr_gtk_primary_selection_device_manager_create(server->wl_display);
desktop->input_inhibit =
wlr_input_inhibit_manager_create(server->wl_display);
desktop->input_inhibit_activate.notify = input_inhibit_activate;
wl_signal_add(&desktop->input_inhibit->events.activate,
&desktop->input_inhibit_activate);
desktop->input_inhibit_deactivate.notify = input_inhibit_deactivate;
wl_signal_add(&desktop->input_inhibit->events.deactivate,
&desktop->input_inhibit_deactivate);
desktop->input_method =
wlr_input_method_manager_v2_create(server->wl_display);
desktop->text_input = wlr_text_input_manager_v3_create(server->wl_display);
desktop->virtual_keyboard = wlr_virtual_keyboard_manager_v1_create(
server->wl_display);
wl_signal_add(&desktop->virtual_keyboard->events.new_virtual_keyboard,
&desktop->virtual_keyboard_new);
desktop->virtual_keyboard_new.notify = handle_virtual_keyboard;
desktop->screencopy = wlr_screencopy_manager_v1_create(server->wl_display);
desktop->xdg_decoration_manager =
wlr_xdg_decoration_manager_v1_create(server->wl_display);
wl_signal_add(&desktop->xdg_decoration_manager->events.new_toplevel_decoration,
&desktop->xdg_toplevel_decoration);
desktop->xdg_toplevel_decoration.notify = handle_xdg_toplevel_decoration;
desktop->pointer_constraints =
wlr_pointer_constraints_v1_create(server->wl_display);
desktop->pointer_constraint.notify = handle_pointer_constraint;
wl_signal_add(&desktop->pointer_constraints->events.new_constraint,
&desktop->pointer_constraint);
desktop->presentation =
wlr_presentation_create(server->wl_display, server->backend);
desktop->foreign_toplevel_manager_v1 =
wlr_foreign_toplevel_manager_v1_create(server->wl_display);
desktop->relative_pointer_manager =
wlr_relative_pointer_manager_v1_create(server->wl_display);
desktop->pointer_gestures =
wlr_pointer_gestures_v1_create(server->wl_display);
desktop->output_manager_v1 =
wlr_output_manager_v1_create(server->wl_display);
desktop->output_manager_apply.notify = handle_output_manager_apply;
wl_signal_add(&desktop->output_manager_v1->events.apply,
&desktop->output_manager_apply);
desktop->output_manager_test.notify = handle_output_manager_test;
wl_signal_add(&desktop->output_manager_v1->events.test,
&desktop->output_manager_test);
wlr_primary_selection_v1_device_manager_create(server->wl_display);
wlr_data_control_manager_v1_create(server->wl_display);
return desktop;
}
void desktop_destroy(struct roots_desktop *desktop) {
// TODO
}
struct roots_output *desktop_output_from_wlr_output(
struct roots_desktop *desktop, struct wlr_output *wlr_output) {
struct roots_output *output;
wl_list_for_each(output, &desktop->outputs, link) {
if (output->wlr_output == wlr_output) {
return output;
}
}
return NULL;
}

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rootston/ini.c
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/* inih -- simple .INI file parser
inih is released under the New BSD license (see LICENSE.txt). Go to the project
home page for more info:
https://github.com/benhoyt/inih
*/
#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
#define _CRT_SECURE_NO_WARNINGS
#endif
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include "rootston/ini.h"
#if !INI_USE_STACK
#include <stdlib.h>
#endif
#define MAX_SECTION 50
#define MAX_NAME 50
/* Strip whitespace chars off end of given string, in place. Return s. */
static char* rstrip(char* s)
{
char* p = s + strlen(s);
while (p > s && isspace((unsigned char)(*--p)))
*p = '\0';
return s;
}
/* Return pointer to first non-whitespace char in given string. */
static char* lskip(const char* s)
{
while (*s && isspace((unsigned char)(*s)))
s++;
return (char*)s;
}
/* Return pointer to first char (of chars) or inline comment in given string,
or pointer to null at end of string if neither found. Inline comment must
be prefixed by a whitespace character to register as a comment. */
static char* find_chars_or_comment(const char* s, const char* chars)
{
#if INI_ALLOW_INLINE_COMMENTS
int was_space = 0;
while (*s && (!chars || !strchr(chars, *s)) &&
!(was_space && strchr(INI_INLINE_COMMENT_PREFIXES, *s))) {
was_space = isspace((unsigned char)(*s));
s++;
}
#else
while (*s && (!chars || !strchr(chars, *s))) {
s++;
}
#endif
return (char*)s;
}
/* Version of strncpy that ensures dest (size bytes) is null-terminated. */
static char* strncpy0(char* dest, const char* src, size_t size)
{
strncpy(dest, src, size-1);
dest[size - 1] = '\0';
return dest;
}
/* See documentation in header file. */
int ini_parse_stream(ini_reader reader, void* stream, ini_handler handler,
void* user)
{
/* Uses a fair bit of stack (use heap instead if you need to) */
#if INI_USE_STACK
char line[INI_MAX_LINE];
#else
char* line;
#endif
char section[MAX_SECTION] = "";
char prev_name[MAX_NAME] = "";
char* start;
char* end;
char* name;
char* value;
int lineno = 0;
int error = 0;
#if !INI_USE_STACK
line = (char*)malloc(INI_MAX_LINE);
if (!line) {
return -2;
}
#endif
/* Scan through stream line by line */
while (reader(line, INI_MAX_LINE, stream) != NULL) {
lineno++;
start = line;
#if INI_ALLOW_BOM
if (lineno == 1 && (unsigned char)start[0] == 0xEF &&
(unsigned char)start[1] == 0xBB &&
(unsigned char)start[2] == 0xBF) {
start += 3;
}
#endif
start = lskip(rstrip(start));
if (*start == ';' || *start == '#') {
/* Per Python configparser, allow both ; and # comments at the
start of a line */
}
#if INI_ALLOW_MULTILINE
else if (*prev_name && *start && start > line) {
/* Non-blank line with leading whitespace, treat as continuation
of previous name's value (as per Python configparser). */
if (!handler(user, section, prev_name, start) && !error)
error = lineno;
}
#endif
else if (*start == '[') {
/* A "[section]" line */
end = find_chars_or_comment(start + 1, "]");
if (*end == ']') {
*end = '\0';
strncpy0(section, start + 1, sizeof(section));
*prev_name = '\0';
}
else if (!error) {
/* No ']' found on section line */
error = lineno;
}
}
else if (*start) {
/* Not a comment, must be a name[=:]value pair */
end = find_chars_or_comment(start, "=:");
if (*end == '=' || *end == ':') {
*end = '\0';
name = rstrip(start);
value = lskip(end + 1);
#if INI_ALLOW_INLINE_COMMENTS
end = find_chars_or_comment(value, NULL);
if (*end)
*end = '\0';
#endif
rstrip(value);
/* Valid name[=:]value pair found, call handler */
strncpy0(prev_name, name, sizeof(prev_name));
if (!handler(user, section, name, value) && !error)
error = lineno;
memset(value, 0, strlen(value));
}
else if (!error) {
/* No '=' or ':' found on name[=:]value line */
error = lineno;
}
}
#if INI_STOP_ON_FIRST_ERROR
if (error)
break;
#endif
}
#if !INI_USE_STACK
free(line);
#endif
return error;
}
/* See documentation in header file. */
int ini_parse_file(FILE* file, ini_handler handler, void* user)
{
return ini_parse_stream((ini_reader)fgets, file, handler, user);
}
/* See documentation in header file. */
int ini_parse(const char* filename, ini_handler handler, void* user)
{
FILE* file;
int error;
file = fopen(filename, "r");
if (!file)
return -1;
error = ini_parse_file(file, handler, user);
fclose(file);
return error;
}

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#define _POSIX_C_SOURCE 200112L
#include <assert.h>
#include <stdlib.h>
#include <time.h>
#include <wayland-server-core.h>
#include <wlr/backend/libinput.h>
#include <wlr/config.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/util/log.h>
#include <wlr/xcursor.h>
#if WLR_HAS_XWAYLAND
#include <wlr/xwayland.h>
#endif
#include "rootston/config.h"
#include "rootston/input.h"
#include "rootston/keyboard.h"
#include "rootston/seat.h"
#include "rootston/server.h"
static const char *device_type(enum wlr_input_device_type type) {
switch (type) {
case WLR_INPUT_DEVICE_KEYBOARD:
return "keyboard";
case WLR_INPUT_DEVICE_POINTER:
return "pointer";
case WLR_INPUT_DEVICE_SWITCH:
return "switch";
case WLR_INPUT_DEVICE_TOUCH:
return "touch";
case WLR_INPUT_DEVICE_TABLET_TOOL:
return "tablet tool";
case WLR_INPUT_DEVICE_TABLET_PAD:
return "tablet pad";
}
return NULL;
}
struct roots_seat *input_get_seat(struct roots_input *input, char *name) {
struct roots_seat *seat = NULL;
wl_list_for_each(seat, &input->seats, link) {
if (strcmp(seat->seat->name, name) == 0) {
return seat;
}
}
seat = roots_seat_create(input, name);
return seat;
}
static void handle_new_input(struct wl_listener *listener, void *data) {
struct wlr_input_device *device = data;
struct roots_input *input = wl_container_of(listener, input, new_input);
char *seat_name = ROOTS_CONFIG_DEFAULT_SEAT_NAME;
struct roots_device_config *dc =
roots_config_get_device(input->config, device);
if (dc) {
seat_name = dc->seat;
}
struct roots_seat *seat = input_get_seat(input, seat_name);
if (!seat) {
wlr_log(WLR_ERROR, "could not create roots seat");
return;
}
wlr_log(WLR_DEBUG, "New input device: %s (%d:%d) %s seat:%s", device->name,
device->vendor, device->product, device_type(device->type), seat_name);
roots_seat_add_device(seat, device);
if (dc && wlr_input_device_is_libinput(device)) {
struct libinput_device *libinput_dev =
wlr_libinput_get_device_handle(device);
wlr_log(WLR_DEBUG, "input has config, tap_enabled: %d\n", dc->tap_enabled);
if (dc->tap_enabled) {
libinput_device_config_tap_set_enabled(libinput_dev,
LIBINPUT_CONFIG_TAP_ENABLED);
}
}
}
struct roots_input *input_create(struct roots_server *server,
struct roots_config *config) {
wlr_log(WLR_DEBUG, "Initializing roots input");
assert(server->desktop);
struct roots_input *input = calloc(1, sizeof(struct roots_input));
if (input == NULL) {
return NULL;
}
input->config = config;
input->server = server;
wl_list_init(&input->seats);
input->new_input.notify = handle_new_input;
wl_signal_add(&server->backend->events.new_input, &input->new_input);
return input;
}
void input_destroy(struct roots_input *input) {
// TODO
}
struct roots_seat *input_seat_from_wlr_seat(struct roots_input *input,
struct wlr_seat *wlr_seat) {
struct roots_seat *seat = NULL;
wl_list_for_each(seat, &input->seats, link) {
if (seat->seat == wlr_seat) {
return seat;
}
}
return seat;
}
bool input_view_has_focus(struct roots_input *input, struct roots_view *view) {
if (!view) {
return false;
}
struct roots_seat *seat;
wl_list_for_each(seat, &input->seats, link) {
if (view == roots_seat_get_focus(seat)) {
return true;
}
}
return false;
}
static inline int64_t timespec_to_msec(const struct timespec *a) {
return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
}
void input_update_cursor_focus(struct roots_input *input) {
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
struct roots_seat *seat;
wl_list_for_each(seat, &input->seats, link) {
roots_cursor_update_position(seat->cursor, timespec_to_msec(&now));
}
}

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#include <assert.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <wayland-server-core.h>
#include <wlr/backend/session.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/types/wlr_pointer_constraints_v1.h>
#include <wlr/types/wlr_pointer.h>
#include <wlr/util/log.h>
#include <xkbcommon/xkbcommon.h>
#include "rootston/bindings.h"
#include "rootston/input.h"
#include "rootston/keyboard.h"
#include "rootston/seat.h"
static ssize_t pressed_keysyms_index(xkb_keysym_t *pressed_keysyms,
xkb_keysym_t keysym) {
for (size_t i = 0; i < ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP; ++i) {
if (pressed_keysyms[i] == keysym) {
return i;
}
}
return -1;
}
static size_t pressed_keysyms_length(xkb_keysym_t *pressed_keysyms) {
size_t n = 0;
for (size_t i = 0; i < ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP; ++i) {
if (pressed_keysyms[i] != XKB_KEY_NoSymbol) {
++n;
}
}
return n;
}
static void pressed_keysyms_add(xkb_keysym_t *pressed_keysyms,
xkb_keysym_t keysym) {
ssize_t i = pressed_keysyms_index(pressed_keysyms, keysym);
if (i < 0) {
i = pressed_keysyms_index(pressed_keysyms, XKB_KEY_NoSymbol);
if (i >= 0) {
pressed_keysyms[i] = keysym;
}
}
}
static void pressed_keysyms_remove(xkb_keysym_t *pressed_keysyms,
xkb_keysym_t keysym) {
ssize_t i = pressed_keysyms_index(pressed_keysyms, keysym);
if (i >= 0) {
pressed_keysyms[i] = XKB_KEY_NoSymbol;
}
}
static bool keysym_is_modifier(xkb_keysym_t keysym) {
switch (keysym) {
case XKB_KEY_Shift_L: case XKB_KEY_Shift_R:
case XKB_KEY_Control_L: case XKB_KEY_Control_R:
case XKB_KEY_Caps_Lock:
case XKB_KEY_Shift_Lock:
case XKB_KEY_Meta_L: case XKB_KEY_Meta_R:
case XKB_KEY_Alt_L: case XKB_KEY_Alt_R:
case XKB_KEY_Super_L: case XKB_KEY_Super_R:
case XKB_KEY_Hyper_L: case XKB_KEY_Hyper_R:
return true;
default:
return false;
}
}
static void pressed_keysyms_update(xkb_keysym_t *pressed_keysyms,
const xkb_keysym_t *keysyms, size_t keysyms_len,
enum wlr_key_state state) {
for (size_t i = 0; i < keysyms_len; ++i) {
if (keysym_is_modifier(keysyms[i])) {
continue;
}
if (state == WLR_KEY_PRESSED) {
pressed_keysyms_add(pressed_keysyms, keysyms[i]);
} else { // WLR_KEY_RELEASED
pressed_keysyms_remove(pressed_keysyms, keysyms[i]);
}
}
}
static void keyboard_binding_execute(struct roots_keyboard *keyboard,
const char *command) {
execute_binding_command(keyboard->seat, keyboard->input, command);
}
/**
* Execute a built-in, hardcoded compositor binding. These are triggered from a
* single keysym.
*
* Returns true if the keysym was handled by a binding and false if the event
* should be propagated to clients.
*/
static bool keyboard_execute_compositor_binding(struct roots_keyboard *keyboard,
xkb_keysym_t keysym) {
if (keysym >= XKB_KEY_XF86Switch_VT_1 &&
keysym <= XKB_KEY_XF86Switch_VT_12) {
struct roots_server *server = keyboard->input->server;
struct wlr_session *session = wlr_backend_get_session(server->backend);
if (session) {
unsigned vt = keysym - XKB_KEY_XF86Switch_VT_1 + 1;
wlr_session_change_vt(session, vt);
}
return true;
}
if (keysym == XKB_KEY_Escape) {
wlr_seat_pointer_end_grab(keyboard->seat->seat);
wlr_seat_keyboard_end_grab(keyboard->seat->seat);
roots_seat_end_compositor_grab(keyboard->seat);
}
return false;
}
/**
* Execute keyboard bindings. These include compositor bindings and user-defined
* bindings.
*
* Returns true if the keysym was handled by a binding and false if the event
* should be propagated to clients.
*/
static bool keyboard_execute_binding(struct roots_keyboard *keyboard,
xkb_keysym_t *pressed_keysyms, uint32_t modifiers,
const xkb_keysym_t *keysyms, size_t keysyms_len) {
for (size_t i = 0; i < keysyms_len; ++i) {
if (keyboard_execute_compositor_binding(keyboard, keysyms[i])) {
return true;
}
}
// User-defined bindings
size_t n = pressed_keysyms_length(pressed_keysyms);
struct wl_list *bindings = &keyboard->input->server->config->bindings;
struct roots_binding_config *bc;
wl_list_for_each(bc, bindings, link) {
if (modifiers ^ bc->modifiers || n != bc->keysyms_len) {
continue;
}
bool ok = true;
for (size_t i = 0; i < bc->keysyms_len; i++) {
ssize_t j = pressed_keysyms_index(pressed_keysyms, bc->keysyms[i]);
if (j < 0) {
ok = false;
break;
}
}
if (ok) {
keyboard_binding_execute(keyboard, bc->command);
return true;
}
}
return false;
}
/*
* Get keysyms and modifiers from the keyboard as xkb sees them.
*
* This uses the xkb keysyms translation based on pressed modifiers and clears
* the consumed modifiers from the list of modifiers passed to keybind
* detection.
*
* On US layout, pressing Alt+Shift+2 will trigger Alt+@.
*/
static size_t keyboard_keysyms_translated(struct roots_keyboard *keyboard,
xkb_keycode_t keycode, const xkb_keysym_t **keysyms,
uint32_t *modifiers) {
*modifiers = wlr_keyboard_get_modifiers(keyboard->device->keyboard);
xkb_mod_mask_t consumed = xkb_state_key_get_consumed_mods2(
keyboard->device->keyboard->xkb_state, keycode, XKB_CONSUMED_MODE_XKB);
*modifiers = *modifiers & ~consumed;
return xkb_state_key_get_syms(keyboard->device->keyboard->xkb_state,
keycode, keysyms);
}
/*
* Get keysyms and modifiers from the keyboard as if modifiers didn't change
* keysyms.
*
* This avoids the xkb keysym translation based on modifiers considered pressed
* in the state.
*
* This will trigger keybinds such as Alt+Shift+2.
*/
static size_t keyboard_keysyms_raw(struct roots_keyboard *keyboard,
xkb_keycode_t keycode, const xkb_keysym_t **keysyms,
uint32_t *modifiers) {
*modifiers = wlr_keyboard_get_modifiers(keyboard->device->keyboard);
xkb_layout_index_t layout_index = xkb_state_key_get_layout(
keyboard->device->keyboard->xkb_state, keycode);
return xkb_keymap_key_get_syms_by_level(keyboard->device->keyboard->keymap,
keycode, layout_index, 0, keysyms);
}
void roots_keyboard_handle_key(struct roots_keyboard *keyboard,
struct wlr_event_keyboard_key *event) {
xkb_keycode_t keycode = event->keycode + 8;
bool handled = false;
uint32_t modifiers;
const xkb_keysym_t *keysyms;
size_t keysyms_len;
// Handle translated keysyms
keysyms_len = keyboard_keysyms_translated(keyboard, keycode, &keysyms,
&modifiers);
pressed_keysyms_update(keyboard->pressed_keysyms_translated, keysyms,
keysyms_len, event->state);
if (event->state == WLR_KEY_PRESSED) {
handled = keyboard_execute_binding(keyboard,
keyboard->pressed_keysyms_translated, modifiers, keysyms,
keysyms_len);
}
// Handle raw keysyms
keysyms_len = keyboard_keysyms_raw(keyboard, keycode, &keysyms, &modifiers);
pressed_keysyms_update(keyboard->pressed_keysyms_raw, keysyms, keysyms_len,
event->state);
if (event->state == WLR_KEY_PRESSED && !handled) {
handled = keyboard_execute_binding(keyboard,
keyboard->pressed_keysyms_raw, modifiers, keysyms, keysyms_len);
}
if (!handled) {
wlr_seat_set_keyboard(keyboard->seat->seat, keyboard->device);
wlr_seat_keyboard_notify_key(keyboard->seat->seat, event->time_msec,
event->keycode, event->state);
}
}
void roots_keyboard_handle_modifiers(struct roots_keyboard *r_keyboard) {
struct wlr_seat *seat = r_keyboard->seat->seat;
wlr_seat_set_keyboard(seat, r_keyboard->device);
wlr_seat_keyboard_notify_modifiers(seat,
&r_keyboard->device->keyboard->modifiers);
}
static void keyboard_config_merge(struct roots_keyboard_config *config,
struct roots_keyboard_config *fallback) {
if (fallback == NULL) {
return;
}
if (config->rules == NULL) {
config->rules = fallback->rules;
}
if (config->model == NULL) {
config->model = fallback->model;
}
if (config->layout == NULL) {
config->layout = fallback->layout;
}
if (config->variant == NULL) {
config->variant = fallback->variant;
}
if (config->options == NULL) {
config->options = fallback->options;
}
if (config->meta_key == 0) {
config->meta_key = fallback->meta_key;
}
if (config->name == NULL) {
config->name = fallback->name;
}
if (config->repeat_rate <= 0) {
config->repeat_rate = fallback->repeat_rate;
}
if (config->repeat_delay <= 0) {
config->repeat_delay = fallback->repeat_delay;
}
}
struct roots_keyboard *roots_keyboard_create(struct wlr_input_device *device,
struct roots_input *input) {
struct roots_keyboard *keyboard = calloc(sizeof(struct roots_keyboard), 1);
if (keyboard == NULL) {
return NULL;
}
device->data = keyboard;
keyboard->device = device;
keyboard->input = input;
struct roots_keyboard_config *config =
calloc(1, sizeof(struct roots_keyboard_config));
if (config == NULL) {
free(keyboard);
return NULL;
}
keyboard_config_merge(config, roots_config_get_keyboard(input->config, device));
keyboard_config_merge(config, roots_config_get_keyboard(input->config, NULL));
struct roots_keyboard_config env_config = {
.rules = getenv("XKB_DEFAULT_RULES"),
.model = getenv("XKB_DEFAULT_MODEL"),
.layout = getenv("XKB_DEFAULT_LAYOUT"),
.variant = getenv("XKB_DEFAULT_VARIANT"),
.options = getenv("XKB_DEFAULT_OPTIONS"),
};
keyboard_config_merge(config, &env_config);
keyboard->config = config;
struct xkb_rule_names rules = { 0 };
rules.rules = config->rules;
rules.model = config->model;
rules.layout = config->layout;
rules.variant = config->variant;
rules.options = config->options;
struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if (context == NULL) {
wlr_log(WLR_ERROR, "Cannot create XKB context");
return NULL;
}
struct xkb_keymap *keymap = xkb_map_new_from_names(context, &rules,
XKB_KEYMAP_COMPILE_NO_FLAGS);
if (keymap == NULL) {
xkb_context_unref(context);
wlr_log(WLR_ERROR, "Cannot create XKB keymap");
return NULL;
}
wlr_keyboard_set_keymap(device->keyboard, keymap);
xkb_keymap_unref(keymap);
xkb_context_unref(context);
int repeat_rate = (config->repeat_rate > 0) ? config->repeat_rate : 25;
int repeat_delay = (config->repeat_delay > 0) ? config->repeat_delay : 600;
wlr_keyboard_set_repeat_info(device->keyboard, repeat_rate, repeat_delay);
return keyboard;
}
void roots_keyboard_destroy(struct roots_keyboard *keyboard) {
wl_list_remove(&keyboard->link);
free(keyboard->config);
free(keyboard);
}

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rootston/layer_shell.c
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#ifndef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 200112L
#endif
#include <assert.h>
#include <errno.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <wayland-server-core.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/types/wlr_layer_shell_v1.h>
#include <wlr/util/log.h>
#include "rootston/desktop.h"
#include "rootston/layers.h"
#include "rootston/output.h"
#include "rootston/server.h"
static void apply_exclusive(struct wlr_box *usable_area,
uint32_t anchor, int32_t exclusive,
int32_t margin_top, int32_t margin_right,
int32_t margin_bottom, int32_t margin_left) {
if (exclusive <= 0) {
return;
}
struct {
uint32_t anchors;
int *positive_axis;
int *negative_axis;
int margin;
} edges[] = {
{
.anchors =
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP,
.positive_axis = &usable_area->y,
.negative_axis = &usable_area->height,
.margin = margin_top,
},
{
.anchors =
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
.positive_axis = NULL,
.negative_axis = &usable_area->height,
.margin = margin_bottom,
},
{
.anchors =
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
.positive_axis = &usable_area->x,
.negative_axis = &usable_area->width,
.margin = margin_left,
},
{
.anchors =
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
.positive_axis = NULL,
.negative_axis = &usable_area->width,
.margin = margin_right,
},
};
for (size_t i = 0; i < sizeof(edges) / sizeof(edges[0]); ++i) {
if ((anchor & edges[i].anchors) == edges[i].anchors) {
if (edges[i].positive_axis) {
*edges[i].positive_axis += exclusive + edges[i].margin;
}
if (edges[i].negative_axis) {
*edges[i].negative_axis -= exclusive + edges[i].margin;
}
}
}
}
static void update_cursors(struct roots_layer_surface *roots_surface,
struct wl_list *seats /* struct roots_seat */) {
struct roots_seat *seat;
wl_list_for_each(seat, seats, link) {
double sx, sy;
struct wlr_surface *surface = desktop_surface_at(
seat->input->server->desktop,
seat->cursor->cursor->x, seat->cursor->cursor->y, &sx, &sy, NULL);
if (surface == roots_surface->layer_surface->surface) {
struct timespec time;
if (clock_gettime(CLOCK_MONOTONIC, &time) == 0) {
roots_cursor_update_position(seat->cursor,
time.tv_sec * 1000 + time.tv_nsec / 1000000);
} else {
wlr_log(WLR_ERROR, "Failed to get time, not updating"
"position. Errno: %s\n", strerror(errno));
}
}
}
}
static void arrange_layer(struct wlr_output *output,
struct wl_list *seats /* struct *roots_seat */,
struct wl_list *list /* struct *roots_layer_surface */,
struct wlr_box *usable_area, bool exclusive) {
struct roots_layer_surface *roots_surface;
struct wlr_box full_area = { 0 };
wlr_output_effective_resolution(output,
&full_area.width, &full_area.height);
wl_list_for_each_reverse(roots_surface, list, link) {
struct wlr_layer_surface_v1 *layer = roots_surface->layer_surface;
struct wlr_layer_surface_v1_state *state = &layer->current;
if (exclusive != (state->exclusive_zone > 0)) {
continue;
}
struct wlr_box bounds;
if (state->exclusive_zone == -1) {
bounds = full_area;
} else {
bounds = *usable_area;
}
struct wlr_box box = {
.width = state->desired_width,
.height = state->desired_height
};
// Horizontal axis
const uint32_t both_horiz = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
if ((state->anchor & both_horiz) && box.width == 0) {
box.x = bounds.x;
box.width = bounds.width;
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT)) {
box.x = bounds.x;
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT)) {
box.x = bounds.x + (bounds.width - box.width);
} else {
box.x = bounds.x + ((bounds.width / 2) - (box.width / 2));
}
// Vertical axis
const uint32_t both_vert = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP
| ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
if ((state->anchor & both_vert) && box.height == 0) {
box.y = bounds.y;
box.height = bounds.height;
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP)) {
box.y = bounds.y;
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM)) {
box.y = bounds.y + (bounds.height - box.height);
} else {
box.y = bounds.y + ((bounds.height / 2) - (box.height / 2));
}
// Margin
if ((state->anchor & both_horiz) == both_horiz) {
box.x += state->margin.left;
box.width -= state->margin.left + state->margin.right;
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT)) {
box.x += state->margin.left;
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT)) {
box.x -= state->margin.right;
}
if ((state->anchor & both_vert) == both_vert) {
box.y += state->margin.top;
box.height -= state->margin.top + state->margin.bottom;
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP)) {
box.y += state->margin.top;
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM)) {
box.y -= state->margin.bottom;
}
if (box.width < 0 || box.height < 0) {
// TODO: Bubble up a protocol error?
wlr_layer_surface_v1_close(layer);
continue;
}
// Apply
struct wlr_box old_geo = roots_surface->geo;
roots_surface->geo = box;
apply_exclusive(usable_area, state->anchor, state->exclusive_zone,
state->margin.top, state->margin.right,
state->margin.bottom, state->margin.left);
wlr_layer_surface_v1_configure(layer, box.width, box.height);
// Having a cursor newly end up over the moved layer will not
// automatically send a motion event to the surface. The event needs to
// be synthesized.
// Only update layer surfaces which kept their size (and so buffers) the
// same, because those with resized buffers will be handled separately.
if (roots_surface->geo.x != old_geo.x
|| roots_surface->geo.y != old_geo.y) {
update_cursors(roots_surface, seats);
}
}
}
void arrange_layers(struct roots_output *output) {
struct wlr_box usable_area = { 0 };
wlr_output_effective_resolution(output->wlr_output,
&usable_area.width, &usable_area.height);
// Arrange exclusive surfaces from top->bottom
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
&usable_area, true);
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
&usable_area, true);
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
&usable_area, true);
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
&usable_area, true);
memcpy(&output->usable_area, &usable_area, sizeof(struct wlr_box));
struct roots_view *view;
wl_list_for_each(view, &output->desktop->views, link) {
if (view->maximized) {
view_arrange_maximized(view);
}
}
// Arrange non-exlusive surfaces from top->bottom
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
&usable_area, false);
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
&usable_area, false);
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
&usable_area, false);
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
&usable_area, false);
// Find topmost keyboard interactive layer, if such a layer exists
uint32_t layers_above_shell[] = {
ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY,
ZWLR_LAYER_SHELL_V1_LAYER_TOP,
};
size_t nlayers = sizeof(layers_above_shell) / sizeof(layers_above_shell[0]);
struct roots_layer_surface *layer, *topmost = NULL;
for (size_t i = 0; i < nlayers; ++i) {
wl_list_for_each_reverse(layer,
&output->layers[layers_above_shell[i]], link) {
if (layer->layer_surface->current.keyboard_interactive) {
topmost = layer;
break;
}
}
if (topmost != NULL) {
break;
}
}
struct roots_input *input = output->desktop->server->input;
struct roots_seat *seat;
wl_list_for_each(seat, &input->seats, link) {
roots_seat_set_focus_layer(seat,
topmost ? topmost->layer_surface : NULL);
}
}
static void handle_output_destroy(struct wl_listener *listener, void *data) {
struct roots_layer_surface *layer =
wl_container_of(listener, layer, output_destroy);
layer->layer_surface->output = NULL;
wl_list_remove(&layer->output_destroy.link);
wlr_layer_surface_v1_close(layer->layer_surface);
}
static void handle_surface_commit(struct wl_listener *listener, void *data) {
struct roots_layer_surface *layer =
wl_container_of(listener, layer, surface_commit);
struct wlr_layer_surface_v1 *layer_surface = layer->layer_surface;
struct wlr_output *wlr_output = layer_surface->output;
if (wlr_output != NULL) {
struct roots_output *output = wlr_output->data;
struct wlr_box old_geo = layer->geo;
arrange_layers(output);
// Cursor changes which happen as a consequence of resizing a layer
// surface are applied in arrange_layers. Because the resize happens
// before the underlying surface changes, it will only receive a cursor
// update if the new cursor position crosses the *old* sized surface in
// the *new* layer surface.
// Another cursor move event is needed when the surface actually
// changes.
struct wlr_surface *surface = layer_surface->surface;
if (surface->previous.width != surface->current.width ||
surface->previous.height != surface->current.height) {
update_cursors(layer, &output->desktop->server->input->seats);
}
if (memcmp(&old_geo, &layer->geo, sizeof(struct wlr_box)) != 0) {
output_damage_whole_local_surface(output, layer_surface->surface,
old_geo.x, old_geo.y);
output_damage_whole_local_surface(output, layer_surface->surface,
layer->geo.x, layer->geo.y);
} else {
output_damage_from_local_surface(output, layer_surface->surface,
layer->geo.x, layer->geo.y);
}
}
}
static void unmap(struct wlr_layer_surface_v1 *layer_surface) {
struct roots_layer_surface *layer = layer_surface->data;
struct wlr_output *wlr_output = layer_surface->output;
if (wlr_output != NULL) {
struct roots_output *output = wlr_output->data;
output_damage_whole_local_surface(output, layer_surface->surface,
layer->geo.x, layer->geo.y);
}
}
static void handle_destroy(struct wl_listener *listener, void *data) {
struct roots_layer_surface *layer = wl_container_of(
listener, layer, destroy);
if (layer->layer_surface->mapped) {
unmap(layer->layer_surface);
}
wl_list_remove(&layer->link);
wl_list_remove(&layer->destroy.link);
wl_list_remove(&layer->map.link);
wl_list_remove(&layer->unmap.link);
wl_list_remove(&layer->surface_commit.link);
if (layer->layer_surface->output) {
wl_list_remove(&layer->output_destroy.link);
arrange_layers((struct roots_output *)layer->layer_surface->output->data);
}
free(layer);
}
static void handle_map(struct wl_listener *listener, void *data) {
struct wlr_layer_surface_v1 *layer_surface = data;
struct roots_layer_surface *layer = layer_surface->data;
struct wlr_output *wlr_output = layer_surface->output;
struct roots_output *output = wlr_output->data;
output_damage_whole_local_surface(output, layer_surface->surface,
layer->geo.x, layer->geo.y);
wlr_surface_send_enter(layer_surface->surface, wlr_output);
}
static void handle_unmap(struct wl_listener *listener, void *data) {
struct roots_layer_surface *layer = wl_container_of(
listener, layer, unmap);
struct wlr_output *wlr_output = layer->layer_surface->output;
struct roots_output *output = wlr_output->data;
unmap(layer->layer_surface);
input_update_cursor_focus(output->desktop->server->input);
}
static void popup_handle_map(struct wl_listener *listener, void *data) {
struct roots_layer_popup *popup = wl_container_of(listener, popup, map);
struct roots_layer_surface *layer = popup->parent;
struct wlr_output *wlr_output = layer->layer_surface->output;
struct roots_output *output = wlr_output->data;
int ox = popup->wlr_popup->geometry.x + layer->geo.x;
int oy = popup->wlr_popup->geometry.y + layer->geo.y;
output_damage_whole_local_surface(output, popup->wlr_popup->base->surface,
ox, oy);
input_update_cursor_focus(output->desktop->server->input);
}
static void popup_handle_unmap(struct wl_listener *listener, void *data) {
struct roots_layer_popup *popup = wl_container_of(listener, popup, unmap);
struct roots_layer_surface *layer = popup->parent;
struct wlr_output *wlr_output = layer->layer_surface->output;
struct roots_output *output = wlr_output->data;
int ox = popup->wlr_popup->geometry.x + layer->geo.x;
int oy = popup->wlr_popup->geometry.y + layer->geo.y;
output_damage_whole_local_surface(output, popup->wlr_popup->base->surface,
ox, oy);
}
static void popup_handle_commit(struct wl_listener *listener, void *data) {
struct roots_layer_popup *popup = wl_container_of(listener, popup, commit);
struct roots_layer_surface *layer = popup->parent;
struct wlr_output *wlr_output = layer->layer_surface->output;
struct roots_output *output = wlr_output->data;
int ox = popup->wlr_popup->geometry.x + layer->geo.x;
int oy = popup->wlr_popup->geometry.y + layer->geo.y;
output_damage_from_local_surface(output, popup->wlr_popup->base->surface,
ox, oy);
}
static void popup_handle_destroy(struct wl_listener *listener, void *data) {
struct roots_layer_popup *popup =
wl_container_of(listener, popup, destroy);
wl_list_remove(&popup->map.link);
wl_list_remove(&popup->unmap.link);
wl_list_remove(&popup->destroy.link);
wl_list_remove(&popup->commit.link);
free(popup);
}
static struct roots_layer_popup *popup_create(struct roots_layer_surface *parent,
struct wlr_xdg_popup *wlr_popup) {
struct roots_layer_popup *popup =
calloc(1, sizeof(struct roots_layer_popup));
if (popup == NULL) {
return NULL;
}
popup->wlr_popup = wlr_popup;
popup->parent = parent;
popup->map.notify = popup_handle_map;
wl_signal_add(&wlr_popup->base->events.map, &popup->map);
popup->unmap.notify = popup_handle_unmap;
wl_signal_add(&wlr_popup->base->events.unmap, &popup->unmap);
popup->destroy.notify = popup_handle_destroy;
wl_signal_add(&wlr_popup->base->events.destroy, &popup->destroy);
popup->commit.notify = popup_handle_commit;
wl_signal_add(&wlr_popup->base->surface->events.commit, &popup->commit);
/* TODO: popups can have popups, see xdg_shell::popup_create */
return popup;
}
static void handle_new_popup(struct wl_listener *listener, void *data) {
struct roots_layer_surface *roots_layer_surface =
wl_container_of(listener, roots_layer_surface, new_popup);
struct wlr_xdg_popup *wlr_popup = data;
popup_create(roots_layer_surface, wlr_popup);
}
void handle_layer_shell_surface(struct wl_listener *listener, void *data) {
struct wlr_layer_surface_v1 *layer_surface = data;
struct roots_desktop *desktop =
wl_container_of(listener, desktop, layer_shell_surface);
wlr_log(WLR_DEBUG, "new layer surface: namespace %s layer %d anchor %d "
"size %dx%d margin %d,%d,%d,%d",
layer_surface->namespace, layer_surface->layer, layer_surface->layer,
layer_surface->client_pending.desired_width,
layer_surface->client_pending.desired_height,
layer_surface->client_pending.margin.top,
layer_surface->client_pending.margin.right,
layer_surface->client_pending.margin.bottom,
layer_surface->client_pending.margin.left);
if (!layer_surface->output) {
struct roots_input *input = desktop->server->input;
struct roots_seat *seat = input_last_active_seat(input);
assert(seat); // Technically speaking we should handle this case
struct wlr_output *output =
wlr_output_layout_output_at(desktop->layout,
seat->cursor->cursor->x,
seat->cursor->cursor->y);
if (!output) {
wlr_log(WLR_ERROR, "Couldn't find output at (%.0f,%.0f)",
seat->cursor->cursor->x,
seat->cursor->cursor->y);
output = wlr_output_layout_get_center_output(desktop->layout);
}
if (output) {
layer_surface->output = output;
} else {
wlr_layer_surface_v1_close(layer_surface);
return;
}
}
struct roots_layer_surface *roots_surface =
calloc(1, sizeof(struct roots_layer_surface));
if (!roots_surface) {
return;
}
roots_surface->surface_commit.notify = handle_surface_commit;
wl_signal_add(&layer_surface->surface->events.commit,
&roots_surface->surface_commit);
roots_surface->output_destroy.notify = handle_output_destroy;
wl_signal_add(&layer_surface->output->events.destroy,
&roots_surface->output_destroy);
roots_surface->destroy.notify = handle_destroy;
wl_signal_add(&layer_surface->events.destroy, &roots_surface->destroy);
roots_surface->map.notify = handle_map;
wl_signal_add(&layer_surface->events.map, &roots_surface->map);
roots_surface->unmap.notify = handle_unmap;
wl_signal_add(&layer_surface->events.unmap, &roots_surface->unmap);
roots_surface->new_popup.notify = handle_new_popup;
wl_signal_add(&layer_surface->events.new_popup, &roots_surface->new_popup);
// TODO: Listen for subsurfaces
roots_surface->layer_surface = layer_surface;
layer_surface->data = roots_surface;
struct roots_output *output = layer_surface->output->data;
wl_list_insert(&output->layers[layer_surface->layer], &roots_surface->link);
// Temporarily set the layer's current state to client_pending
// So that we can easily arrange it
struct wlr_layer_surface_v1_state old_state = layer_surface->current;
layer_surface->current = layer_surface->client_pending;
arrange_layers(output);
layer_surface->current = old_state;
}

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rootston/main.c
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#define _POSIX_C_SOURCE 200112L
#include <assert.h>
#include <stdlib.h>
#include <unistd.h>
#include <wayland-server-core.h>
#include <wlr/backend.h>
#include <wlr/backend/headless.h>
#include <wlr/backend/multi.h>
#include <wlr/config.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/util/log.h>
#include "rootston/config.h"
#include "rootston/server.h"
struct roots_server server = { 0 };
int main(int argc, char **argv) {
wlr_log_init(WLR_DEBUG, NULL);
server.config = roots_config_create_from_args(argc, argv);
server.wl_display = wl_display_create();
server.wl_event_loop = wl_display_get_event_loop(server.wl_display);
assert(server.config && server.wl_display && server.wl_event_loop);
server.backend = wlr_backend_autocreate(server.wl_display, NULL);
if (server.backend == NULL) {
wlr_log(WLR_ERROR, "could not start backend");
return 1;
}
server.renderer = wlr_backend_get_renderer(server.backend);
assert(server.renderer);
server.data_device_manager =
wlr_data_device_manager_create(server.wl_display);
wlr_renderer_init_wl_display(server.renderer, server.wl_display);
server.desktop = desktop_create(&server, server.config);
server.input = input_create(&server, server.config);
const char *socket = wl_display_add_socket_auto(server.wl_display);
if (!socket) {
wlr_log_errno(WLR_ERROR, "Unable to open wayland socket");
wlr_backend_destroy(server.backend);
return 1;
}
wlr_log(WLR_INFO, "Running compositor on wayland display '%s'", socket);
setenv("_WAYLAND_DISPLAY", socket, true);
if (!wlr_backend_start(server.backend)) {
wlr_log(WLR_ERROR, "Failed to start backend");
wlr_backend_destroy(server.backend);
wl_display_destroy(server.wl_display);
return 1;
}
setenv("WAYLAND_DISPLAY", socket, true);
#if WLR_HAS_XWAYLAND
if (server.desktop->xwayland != NULL) {
struct roots_seat *xwayland_seat =
input_get_seat(server.input, ROOTS_CONFIG_DEFAULT_SEAT_NAME);
wlr_xwayland_set_seat(server.desktop->xwayland, xwayland_seat->seat);
}
#endif
if (server.config->startup_cmd != NULL) {
const char *cmd = server.config->startup_cmd;
pid_t pid = fork();
if (pid < 0) {
wlr_log(WLR_ERROR, "cannot execute binding command: fork() failed");
} else if (pid == 0) {
execl("/bin/sh", "/bin/sh", "-c", cmd, (void *)NULL);
}
}
wl_display_run(server.wl_display);
#if WLR_HAS_XWAYLAND
// We need to shutdown Xwayland before disconnecting all clients, otherwise
// wlroots will restart it automatically.
wlr_xwayland_destroy(server.desktop->xwayland);
#endif
wl_display_destroy_clients(server.wl_display);
wl_display_destroy(server.wl_display);
return 0;
}

31
rootston/meson.build
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sources = [
'bindings.c',
'config.c',
'cursor.c',
'desktop.c',
'ini.c',
'input.c',
'keyboard.c',
'layer_shell.c',
'main.c',
'output.c',
'render.c',
'seat.c',
'switch.c',
'text_input.c',
'view.c',
'virtual_keyboard.c',
'xdg_shell_v6.c',
'xdg_shell.c',
]
if conf_data.get('WLR_HAS_XWAYLAND', 0) == 1
sources += 'xwayland.c'
endif
executable(
'rootston',
sources,
dependencies: [wlroots, wlr_protos, pixman],
build_by_default: get_option('rootston'),
)

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rootston/output.c
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#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include <time.h>
#include <wlr/backend/drm.h>
#include <wlr/config.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_presentation_time.h>
#include <wlr/types/wlr_xdg_shell_v6.h>
#include <wlr/types/wlr_xdg_shell.h>
#include <wlr/util/log.h>
#include <wlr/util/region.h>
#include "rootston/config.h"
#include "rootston/layers.h"
#include "rootston/output.h"
#include "rootston/server.h"
/**
* Rotate a child's position relative to a parent. The parent size is (pw, ph),
* the child position is (*sx, *sy) and its size is (sw, sh).
*/
void rotate_child_position(double *sx, double *sy, double sw, double sh,
double pw, double ph, float rotation) {
if (rotation == 0.0) {
return;
}
// Coordinates relative to the center of the subsurface
double cx = *sx - pw/2 + sw/2,
cy = *sy - ph/2 + sh/2;
// Rotated coordinates
double rx = cos(rotation)*cx - sin(rotation)*cy,
ry = cos(rotation)*cy + sin(rotation)*cx;
*sx = rx + pw/2 - sw/2;
*sy = ry + ph/2 - sh/2;
}
struct surface_iterator_data {
roots_surface_iterator_func_t user_iterator;
void *user_data;
struct roots_output *output;
double ox, oy;
int width, height;
float rotation;
};
static bool get_surface_box(struct surface_iterator_data *data,
struct wlr_surface *surface, int sx, int sy,
struct wlr_box *surface_box) {
struct roots_output *output = data->output;
if (!wlr_surface_has_buffer(surface)) {
return false;
}
int sw = surface->current.width;
int sh = surface->current.height;
double _sx = sx + surface->sx;
double _sy = sy + surface->sy;
rotate_child_position(&_sx, &_sy, sw, sh, data->width, data->height,
data->rotation);
struct wlr_box box = {
.x = data->ox + _sx,
.y = data->oy + _sy,
.width = sw,
.height = sh,
};
if (surface_box != NULL) {
*surface_box = box;
}
struct wlr_box rotated_box;
wlr_box_rotated_bounds(&rotated_box, &box, data->rotation);
struct wlr_box output_box = {0};
wlr_output_effective_resolution(output->wlr_output,
&output_box.width, &output_box.height);
struct wlr_box intersection;
return wlr_box_intersection(&intersection, &output_box, &rotated_box);
}
static void output_for_each_surface_iterator(struct wlr_surface *surface,
int sx, int sy, void *_data) {
struct surface_iterator_data *data = _data;
struct wlr_box box;
bool intersects = get_surface_box(data, surface, sx, sy, &box);
if (!intersects) {
return;
}
data->user_iterator(data->output, surface, &box, data->rotation,
data->user_data);
}
void output_surface_for_each_surface(struct roots_output *output,
struct wlr_surface *surface, double ox, double oy,
roots_surface_iterator_func_t iterator, void *user_data) {
struct surface_iterator_data data = {
.user_iterator = iterator,
.user_data = user_data,
.output = output,
.ox = ox,
.oy = oy,
.width = surface->current.width,
.height = surface->current.height,
.rotation = 0,
};
wlr_surface_for_each_surface(surface,
output_for_each_surface_iterator, &data);
}
void output_view_for_each_surface(struct roots_output *output,
struct roots_view *view, roots_surface_iterator_func_t iterator,
void *user_data) {
struct wlr_box *output_box =
wlr_output_layout_get_box(output->desktop->layout, output->wlr_output);
if (!output_box) {
return;
}
struct surface_iterator_data data = {
.user_iterator = iterator,
.user_data = user_data,
.output = output,
.ox = view->box.x - output_box->x,
.oy = view->box.y - output_box->y,
.width = view->box.width,
.height = view->box.height,
.rotation = view->rotation,
};
view_for_each_surface(view, output_for_each_surface_iterator, &data);
}
#if WLR_HAS_XWAYLAND
void output_xwayland_children_for_each_surface(
struct roots_output *output, struct wlr_xwayland_surface *surface,
roots_surface_iterator_func_t iterator, void *user_data) {
struct wlr_box *output_box =
wlr_output_layout_get_box(output->desktop->layout, output->wlr_output);
if (!output_box) {
return;
}
struct wlr_xwayland_surface *child;
wl_list_for_each(child, &surface->children, parent_link) {
if (child->mapped) {
double ox = child->x - output_box->x;
double oy = child->y - output_box->y;
output_surface_for_each_surface(output, child->surface,
ox, oy, iterator, user_data);
}
output_xwayland_children_for_each_surface(output, child,
iterator, user_data);
}
}
#endif
void output_layer_for_each_surface(struct roots_output *output,
struct wl_list *layer_surfaces, roots_surface_iterator_func_t iterator,
void *user_data) {
struct roots_layer_surface *layer_surface;
wl_list_for_each(layer_surface, layer_surfaces, link) {
struct wlr_layer_surface_v1 *wlr_layer_surface_v1 =
layer_surface->layer_surface;
output_surface_for_each_surface(output, wlr_layer_surface_v1->surface,
layer_surface->geo.x, layer_surface->geo.y, iterator,
user_data);
struct wlr_xdg_popup *state;
wl_list_for_each(state, &wlr_layer_surface_v1->popups, link) {
struct wlr_xdg_surface *popup = state->base;
if (!popup->configured) {
continue;
}
double popup_sx, popup_sy;
popup_sx = layer_surface->geo.x;
popup_sx += popup->popup->geometry.x - popup->geometry.x;
popup_sy = layer_surface->geo.y;
popup_sy += popup->popup->geometry.y - popup->geometry.y;
output_surface_for_each_surface(output, popup->surface,
popup_sx, popup_sy, iterator, user_data);
}
}
}
void output_drag_icons_for_each_surface(struct roots_output *output,
struct roots_input *input, roots_surface_iterator_func_t iterator,
void *user_data) {
struct wlr_box *output_box =
wlr_output_layout_get_box(output->desktop->layout, output->wlr_output);
if (!output_box) {
return;
}
struct roots_seat *seat;
wl_list_for_each(seat, &input->seats, link) {
struct roots_drag_icon *drag_icon = seat->drag_icon;
if (!drag_icon || !drag_icon->wlr_drag_icon->mapped) {
continue;
}
double ox = drag_icon->x - output_box->x;
double oy = drag_icon->y - output_box->y;
output_surface_for_each_surface(output,
drag_icon->wlr_drag_icon->surface, ox, oy, iterator, user_data);
}
}
void output_for_each_surface(struct roots_output *output,
roots_surface_iterator_func_t iterator, void *user_data) {
struct roots_desktop *desktop = output->desktop;
if (output->fullscreen_view != NULL) {
struct roots_view *view = output->fullscreen_view;
output_view_for_each_surface(output, view, iterator, user_data);
#if WLR_HAS_XWAYLAND
if (view->type == ROOTS_XWAYLAND_VIEW) {
struct roots_xwayland_surface *xwayland_surface =
roots_xwayland_surface_from_view(view);
output_xwayland_children_for_each_surface(output,
xwayland_surface->xwayland_surface, iterator, user_data);
}
#endif
} else {
struct roots_view *view;
wl_list_for_each_reverse(view, &desktop->views, link) {
output_view_for_each_surface(output, view, iterator, user_data);
}
}
output_drag_icons_for_each_surface(output, desktop->server->input,
iterator, user_data);
size_t len = sizeof(output->layers) / sizeof(output->layers[0]);
for (size_t i = 0; i < len; ++i) {
output_layer_for_each_surface(output, &output->layers[i],
iterator, user_data);
}
}
static int scale_length(int length, int offset, float scale) {
return round((offset + length) * scale) - round(offset * scale);
}
void scale_box(struct wlr_box *box, float scale) {
box->width = scale_length(box->width, box->x, scale);
box->height = scale_length(box->height, box->y, scale);
box->x = round(box->x * scale);
box->y = round(box->y * scale);
}
void get_decoration_box(struct roots_view *view,
struct roots_output *output, struct wlr_box *box) {
struct wlr_output *wlr_output = output->wlr_output;
struct wlr_box deco_box;
view_get_deco_box(view, &deco_box);
double sx = deco_box.x - view->box.x;
double sy = deco_box.y - view->box.y;
rotate_child_position(&sx, &sy, deco_box.width, deco_box.height,
view->wlr_surface->current.width,
view->wlr_surface->current.height, view->rotation);
double x = sx + view->box.x;
double y = sy + view->box.y;
wlr_output_layout_output_coords(output->desktop->layout, wlr_output, &x, &y);
box->x = x * wlr_output->scale;
box->y = y * wlr_output->scale;
box->width = deco_box.width * wlr_output->scale;
box->height = deco_box.height * wlr_output->scale;
}
void output_damage_whole(struct roots_output *output) {
wlr_output_damage_add_whole(output->damage);
}
static bool view_accept_damage(struct roots_output *output,
struct roots_view *view) {
if (view->wlr_surface == NULL) {
return false;
}
if (output->fullscreen_view == NULL) {
return true;
}
if (output->fullscreen_view == view) {
return true;
}
#if WLR_HAS_XWAYLAND
if (output->fullscreen_view->type == ROOTS_XWAYLAND_VIEW &&
view->type == ROOTS_XWAYLAND_VIEW) {
// Special case: accept damage from children
struct wlr_xwayland_surface *xsurface =
roots_xwayland_surface_from_view(view)->xwayland_surface;
struct wlr_xwayland_surface *fullscreen_xsurface =
roots_xwayland_surface_from_view(output->fullscreen_view)->xwayland_surface;
while (xsurface != NULL) {
if (fullscreen_xsurface == xsurface) {
return true;
}
xsurface = xsurface->parent;
}
}
#endif
return false;
}
static void damage_surface_iterator(struct roots_output *output,
struct wlr_surface *surface, struct wlr_box *_box, float rotation,
void *data) {
bool *whole = data;
struct wlr_box box = *_box;
scale_box(&box, output->wlr_output->scale);
int center_x = box.x + box.width/2;
int center_y = box.y + box.height/2;
if (pixman_region32_not_empty(&surface->buffer_damage)) {
pixman_region32_t damage;
pixman_region32_init(&damage);
wlr_surface_get_effective_damage(surface, &damage);
wlr_region_scale(&damage, &damage, output->wlr_output->scale);
if (ceil(output->wlr_output->scale) > surface->current.scale) {
// When scaling up a surface, it'll become blurry so we need to
// expand the damage region
wlr_region_expand(&damage, &damage,
ceil(output->wlr_output->scale) - surface->current.scale);
}
pixman_region32_translate(&damage, box.x, box.y);
wlr_region_rotated_bounds(&damage, &damage, rotation,
center_x, center_y);
wlr_output_damage_add(output->damage, &damage);
pixman_region32_fini(&damage);
}
if (*whole) {
wlr_box_rotated_bounds(&box, &box, rotation);
wlr_output_damage_add_box(output->damage, &box);
}
wlr_output_schedule_frame(output->wlr_output);
}
void output_damage_whole_local_surface(struct roots_output *output,
struct wlr_surface *surface, double ox, double oy) {
bool whole = true;
output_surface_for_each_surface(output, surface, ox, oy,
damage_surface_iterator, &whole);
}
static void damage_whole_decoration(struct roots_view *view,
struct roots_output *output) {
if (!view->decorated || view->wlr_surface == NULL) {
return;
}
struct wlr_box box;
get_decoration_box(view, output, &box);
wlr_box_rotated_bounds(&box, &box, view->rotation);
wlr_output_damage_add_box(output->damage, &box);
}
void output_damage_whole_view(struct roots_output *output,
struct roots_view *view) {
if (!view_accept_damage(output, view)) {
return;
}
damage_whole_decoration(view, output);
bool whole = true;
output_view_for_each_surface(output, view, damage_surface_iterator, &whole);
}
void output_damage_whole_drag_icon(struct roots_output *output,
struct roots_drag_icon *icon) {
bool whole = true;
output_surface_for_each_surface(output, icon->wlr_drag_icon->surface,
icon->x, icon->y, damage_surface_iterator, &whole);
}
void output_damage_from_local_surface(struct roots_output *output,
struct wlr_surface *surface, double ox, double oy) {
bool whole = false;
output_surface_for_each_surface(output, surface, ox, oy,
damage_surface_iterator, &whole);
}
void output_damage_from_view(struct roots_output *output,
struct roots_view *view) {
if (!view_accept_damage(output, view)) {
return;
}
bool whole = false;
output_view_for_each_surface(output, view, damage_surface_iterator, &whole);
}
static void set_mode(struct wlr_output *output,
struct roots_output_config *oc) {
int mhz = (int)(oc->mode.refresh_rate * 1000);
if (wl_list_empty(&output->modes)) {
// Output has no mode, try setting a custom one
wlr_output_set_custom_mode(output, oc->mode.width, oc->mode.height, mhz);
return;
}
struct wlr_output_mode *mode, *best = NULL;
wl_list_for_each(mode, &output->modes, link) {
if (mode->width == oc->mode.width && mode->height == oc->mode.height) {
if (mode->refresh == mhz) {
best = mode;
break;
}
best = mode;
}
}
if (!best) {
wlr_log(WLR_ERROR, "Configured mode for %s not available", output->name);
} else {
wlr_log(WLR_DEBUG, "Assigning configured mode to %s", output->name);
wlr_output_set_mode(output, best);
}
}
static void update_output_manager_config(struct roots_desktop *desktop) {
struct wlr_output_configuration_v1 *config =
wlr_output_configuration_v1_create();
struct roots_output *output;
wl_list_for_each(output, &desktop->outputs, link) {
struct wlr_output_configuration_head_v1 *config_head =
wlr_output_configuration_head_v1_create(config, output->wlr_output);
struct wlr_box *output_box = wlr_output_layout_get_box(
output->desktop->layout, output->wlr_output);
if (output_box) {
config_head->state.x = output_box->x;
config_head->state.y = output_box->y;
}
}
wlr_output_manager_v1_set_configuration(desktop->output_manager_v1, config);
}
void handle_output_manager_apply(struct wl_listener *listener, void *data) {
struct roots_desktop *desktop =
wl_container_of(listener, desktop, output_manager_apply);
struct wlr_output_configuration_v1 *config = data;
bool ok = true;
struct wlr_output_configuration_head_v1 *config_head;
// First disable outputs we need to disable
wl_list_for_each(config_head, &config->heads, link) {
struct wlr_output *wlr_output = config_head->state.output;
if (!config_head->state.enabled) {
ok &= wlr_output_enable(wlr_output, false);
wlr_output_layout_remove(desktop->layout, wlr_output);
}
}
// Then enable outputs that need to
wl_list_for_each(config_head, &config->heads, link) {
struct wlr_output *wlr_output = config_head->state.output;
if (!config_head->state.enabled) {
continue;
}
ok &= wlr_output_enable(wlr_output, true);
if (config_head->state.mode != NULL) {
ok &= wlr_output_set_mode(wlr_output, config_head->state.mode);
} else {
ok &= wlr_output_set_custom_mode(wlr_output,
config_head->state.custom_mode.width,
config_head->state.custom_mode.height,
config_head->state.custom_mode.refresh);
}
wlr_output_layout_add(desktop->layout, wlr_output,
config_head->state.x, config_head->state.y);
wlr_output_set_transform(wlr_output, config_head->state.transform);
wlr_output_set_scale(wlr_output, config_head->state.scale);
}
if (ok) {
wlr_output_configuration_v1_send_succeeded(config);
} else {
wlr_output_configuration_v1_send_failed(config);
}
wlr_output_configuration_v1_destroy(config);
update_output_manager_config(desktop);
}
void handle_output_manager_test(struct wl_listener *listener, void *data) {
struct roots_desktop *desktop =
wl_container_of(listener, desktop, output_manager_test);
struct wlr_output_configuration_v1 *config = data;
// TODO: implement test-only mode
wlr_output_configuration_v1_send_succeeded(config);
wlr_output_configuration_v1_destroy(config);
}
static void output_destroy(struct roots_output *output) {
// TODO: cursor
//example_config_configure_cursor(sample->config, sample->cursor,
// sample->compositor);
wl_list_remove(&output->link);
wl_list_remove(&output->destroy.link);
wl_list_remove(&output->enable.link);
wl_list_remove(&output->mode.link);
wl_list_remove(&output->transform.link);
wl_list_remove(&output->present.link);
wl_list_remove(&output->damage_frame.link);
wl_list_remove(&output->damage_destroy.link);
free(output);
}
static void output_handle_destroy(struct wl_listener *listener, void *data) {
struct roots_output *output = wl_container_of(listener, output, destroy);
struct roots_desktop *desktop = output->desktop;
output_destroy(output);
update_output_manager_config(desktop);
}
static void output_handle_enable(struct wl_listener *listener, void *data) {
struct roots_output *output = wl_container_of(listener, output, enable);
update_output_manager_config(output->desktop);
}
static void output_damage_handle_frame(struct wl_listener *listener,
void *data) {
struct roots_output *output =
wl_container_of(listener, output, damage_frame);
output_render(output);
}
static void output_damage_handle_destroy(struct wl_listener *listener,
void *data) {
struct roots_output *output =
wl_container_of(listener, output, damage_destroy);
output_destroy(output);
}
static void output_handle_mode(struct wl_listener *listener, void *data) {
struct roots_output *output =
wl_container_of(listener, output, mode);
arrange_layers(output);
update_output_manager_config(output->desktop);
}
static void output_handle_transform(struct wl_listener *listener, void *data) {
struct roots_output *output =
wl_container_of(listener, output, transform);
arrange_layers(output);
}
static void surface_send_presented_iterator(struct roots_output *output,
struct wlr_surface *surface, struct wlr_box *_box, float rotation,
void *data) {
struct wlr_presentation_event *event = data;
wlr_presentation_send_surface_presented(output->desktop->presentation,
surface, event);
}
static void output_handle_present(struct wl_listener *listener, void *data) {
struct roots_output *output =
wl_container_of(listener, output, present);
struct wlr_output_event_present *output_event = data;
struct wlr_presentation_event event = {
.output = output->wlr_output,
.tv_sec = (uint64_t)output_event->when->tv_sec,
.tv_nsec = (uint32_t)output_event->when->tv_nsec,
.refresh = (uint32_t)output_event->refresh,
.seq = (uint64_t)output_event->seq,
.flags = output_event->flags,
};
output_for_each_surface(output,
surface_send_presented_iterator, &event);
}
void handle_new_output(struct wl_listener *listener, void *data) {
struct roots_desktop *desktop = wl_container_of(listener, desktop,
new_output);
struct wlr_output *wlr_output = data;
struct roots_input *input = desktop->server->input;
struct roots_config *config = desktop->config;
wlr_log(WLR_DEBUG, "Output '%s' added", wlr_output->name);
wlr_log(WLR_DEBUG, "'%s %s %s' %"PRId32"mm x %"PRId32"mm", wlr_output->make,
wlr_output->model, wlr_output->serial, wlr_output->phys_width,
wlr_output->phys_height);
struct roots_output *output = calloc(1, sizeof(struct roots_output));
clock_gettime(CLOCK_MONOTONIC, &output->last_frame);
output->desktop = desktop;
output->wlr_output = wlr_output;
wlr_output->data = output;
wl_list_insert(&desktop->outputs, &output->link);
output->damage = wlr_output_damage_create(wlr_output);
output->destroy.notify = output_handle_destroy;
wl_signal_add(&wlr_output->events.destroy, &output->destroy);
output->enable.notify = output_handle_enable;
wl_signal_add(&wlr_output->events.enable, &output->enable);
output->mode.notify = output_handle_mode;
wl_signal_add(&wlr_output->events.mode, &output->mode);
output->transform.notify = output_handle_transform;
wl_signal_add(&wlr_output->events.transform, &output->transform);
output->present.notify = output_handle_present;
wl_signal_add(&wlr_output->events.present, &output->present);
output->damage_frame.notify = output_damage_handle_frame;
wl_signal_add(&output->damage->events.frame, &output->damage_frame);
output->damage_destroy.notify = output_damage_handle_destroy;
wl_signal_add(&output->damage->events.destroy, &output->damage_destroy);
size_t len = sizeof(output->layers) / sizeof(output->layers[0]);
for (size_t i = 0; i < len; ++i) {
wl_list_init(&output->layers[i]);
}
struct roots_output_config *output_config =
roots_config_get_output(config, wlr_output);
struct wlr_output_mode *preferred_mode =
wlr_output_preferred_mode(wlr_output);
if (output_config) {
if (output_config->enable) {
if (wlr_output_is_drm(wlr_output)) {
struct roots_output_mode_config *mode_config;
wl_list_for_each(mode_config, &output_config->modes, link) {
wlr_drm_connector_add_mode(wlr_output, &mode_config->info);
}
} else if (!wl_list_empty(&output_config->modes)) {
wlr_log(WLR_ERROR, "Can only add modes for DRM backend");
}
if (output_config->mode.width) {
set_mode(wlr_output, output_config);
} else if (preferred_mode != NULL) {
wlr_output_set_mode(wlr_output, preferred_mode);
}
wlr_output_set_scale(wlr_output, output_config->scale);
wlr_output_set_transform(wlr_output, output_config->transform);
wlr_output_layout_add(desktop->layout, wlr_output, output_config->x,
output_config->y);
} else {
wlr_output_enable(wlr_output, false);
}
} else {
if (preferred_mode != NULL) {
wlr_output_set_mode(wlr_output, preferred_mode);
}
wlr_output_layout_add_auto(desktop->layout, wlr_output);
}
struct roots_seat *seat;
wl_list_for_each(seat, &input->seats, link) {
roots_seat_configure_cursor(seat);
roots_seat_configure_xcursor(seat);
}
arrange_layers(output);
output_damage_whole(output);
update_output_manager_config(desktop);
}

422
rootston/render.c
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@ -1,422 +0,0 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include <time.h>
#include <wlr/config.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/types/wlr_buffer.h>
#include <wlr/types/wlr_linux_dmabuf_v1.h>
#include <wlr/util/log.h>
#include <wlr/util/region.h>
#include "rootston/layers.h"
#include "rootston/output.h"
#include "rootston/server.h"
struct render_data {
pixman_region32_t *damage;
float alpha;
};
static void scissor_output(struct wlr_output *wlr_output,
pixman_box32_t *rect) {
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
assert(renderer);
struct wlr_box box = {
.x = rect->x1,
.y = rect->y1,
.width = rect->x2 - rect->x1,
.height = rect->y2 - rect->y1,
};
int ow, oh;
wlr_output_transformed_resolution(wlr_output, &ow, &oh);
enum wl_output_transform transform =
wlr_output_transform_invert(wlr_output->transform);
wlr_box_transform(&box, &box, transform, ow, oh);
wlr_renderer_scissor(renderer, &box);
}
static void render_texture(struct wlr_output *wlr_output,
pixman_region32_t *output_damage, struct wlr_texture *texture,
const struct wlr_box *box, const float matrix[static 9],
float rotation, float alpha) {
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
assert(renderer);
struct wlr_box rotated;
wlr_box_rotated_bounds(&rotated, box, rotation);
pixman_region32_t damage;
pixman_region32_init(&damage);
pixman_region32_union_rect(&damage, &damage, rotated.x, rotated.y,
rotated.width, rotated.height);
pixman_region32_intersect(&damage, &damage, output_damage);
bool damaged = pixman_region32_not_empty(&damage);
if (!damaged) {
goto buffer_damage_finish;
}
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(wlr_output, &rects[i]);
wlr_render_texture_with_matrix(renderer, texture, matrix, alpha);
}
buffer_damage_finish:
pixman_region32_fini(&damage);
}
static void render_surface_iterator(struct roots_output *output,
struct wlr_surface *surface, struct wlr_box *_box, float rotation,
void *_data) {
struct render_data *data = _data;
struct wlr_output *wlr_output = output->wlr_output;
pixman_region32_t *output_damage = data->damage;
float alpha = data->alpha;
struct wlr_texture *texture = wlr_surface_get_texture(surface);
if (!texture) {
return;
}
struct wlr_box box = *_box;
scale_box(&box, wlr_output->scale);
float matrix[9];
enum wl_output_transform transform =
wlr_output_transform_invert(surface->current.transform);
wlr_matrix_project_box(matrix, &box, transform, rotation,
wlr_output->transform_matrix);
render_texture(wlr_output, output_damage,
texture, &box, matrix, rotation, alpha);
}
static void render_decorations(struct roots_output *output,
struct roots_view *view, struct render_data *data) {
if (!view->decorated || view->wlr_surface == NULL) {
return;
}
struct wlr_renderer *renderer =
wlr_backend_get_renderer(output->wlr_output->backend);
assert(renderer);
struct wlr_box box;
get_decoration_box(view, output, &box);
struct wlr_box rotated;
wlr_box_rotated_bounds(&rotated, &box, view->rotation);
pixman_region32_t damage;
pixman_region32_init(&damage);
pixman_region32_union_rect(&damage, &damage, rotated.x, rotated.y,
rotated.width, rotated.height);
pixman_region32_intersect(&damage, &damage, data->damage);
bool damaged = pixman_region32_not_empty(&damage);
if (!damaged) {
goto buffer_damage_finish;
}
float matrix[9];
wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL,
view->rotation, output->wlr_output->transform_matrix);
float color[] = { 0.2, 0.2, 0.2, view->alpha };
int nrects;
pixman_box32_t *rects =
pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(output->wlr_output, &rects[i]);
wlr_render_quad_with_matrix(renderer, color, matrix);
}
buffer_damage_finish:
pixman_region32_fini(&damage);
}
static void render_view(struct roots_output *output, struct roots_view *view,
struct render_data *data) {
// Do not render views fullscreened on other outputs
if (view->fullscreen_output != NULL && view->fullscreen_output != output) {
return;
}
data->alpha = view->alpha;
if (view->fullscreen_output == NULL) {
render_decorations(output, view, data);
}
output_view_for_each_surface(output, view, render_surface_iterator, data);
}
static void render_layer(struct roots_output *output,
pixman_region32_t *damage, struct wl_list *layer_surfaces) {
struct render_data data = {
.damage = damage,
.alpha = 1.0f,
};
output_layer_for_each_surface(output, layer_surfaces,
render_surface_iterator, &data);
}
static void render_drag_icons(struct roots_output *output,
pixman_region32_t *damage, struct roots_input *input) {
struct render_data data = {
.damage = damage,
.alpha = 1.0f,
};
output_drag_icons_for_each_surface(output, input,
render_surface_iterator, &data);
}
static void count_surface_iterator(struct roots_output *output,
struct wlr_surface *surface, struct wlr_box *_box, float rotation,
void *data) {
size_t *n = data;
n++;
}
static bool scan_out_fullscreen_view(struct roots_output *output) {
struct wlr_output *wlr_output = output->wlr_output;
struct roots_desktop *desktop = output->desktop;
struct roots_seat *seat;
wl_list_for_each(seat, &desktop->server->input->seats, link) {
struct roots_drag_icon *drag_icon = seat->drag_icon;
if (drag_icon && drag_icon->wlr_drag_icon->mapped) {
return false;
}
}
if (!wl_list_empty(&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY])) {
return false;
}
struct wlr_output_cursor *cursor;
wl_list_for_each(cursor, &wlr_output->cursors, link) {
if (cursor->enabled && cursor->visible &&
wlr_output->hardware_cursor != cursor) {
return false;
}
}
struct roots_view *view = output->fullscreen_view;
assert(view != NULL);
if (view->wlr_surface == NULL) {
return false;
}
size_t n_surfaces = 0;
output_view_for_each_surface(output, view,
count_surface_iterator, &n_surfaces);
if (n_surfaces > 1) {
return false;
}
#if WLR_HAS_XWAYLAND
if (view->type == ROOTS_XWAYLAND_VIEW) {
struct roots_xwayland_surface *xwayland_surface =
roots_xwayland_surface_from_view(view);
if (!wl_list_empty(&xwayland_surface->xwayland_surface->children)) {
return false;
}
}
#endif
struct wlr_surface *surface = view->wlr_surface;
if (surface->buffer == NULL) {
return false;
}
if ((float)surface->current.scale != wlr_output->scale ||
surface->current.transform != wlr_output->transform) {
return false;
}
if (!wlr_output_attach_buffer(wlr_output, surface->buffer)) {
return false;
}
return wlr_output_commit(wlr_output);
}
static void surface_send_frame_done_iterator(struct roots_output *output,
struct wlr_surface *surface, struct wlr_box *box, float rotation,
void *data) {
struct timespec *when = data;
wlr_surface_send_frame_done(surface, when);
}
void output_render(struct roots_output *output) {
struct wlr_output *wlr_output = output->wlr_output;
struct roots_desktop *desktop = output->desktop;
struct roots_server *server = desktop->server;
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
assert(renderer);
if (!wlr_output->enabled) {
return;
}
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
float clear_color[] = {0.25f, 0.25f, 0.25f, 1.0f};
const struct wlr_box *output_box =
wlr_output_layout_get_box(desktop->layout, wlr_output);
// Check if we can delegate the fullscreen surface to the output
if (output->fullscreen_view != NULL &&
output->fullscreen_view->wlr_surface != NULL) {
struct roots_view *view = output->fullscreen_view;
// Make sure the view is centered on screen
struct wlr_box view_box;
view_get_box(view, &view_box);
double view_x = (double)(output_box->width - view_box.width) / 2 +
output_box->x;
double view_y = (double)(output_box->height - view_box.height) / 2 +
output_box->y;
view_move(view, view_x, view_y);
// Fullscreen views are rendered on a black background
clear_color[0] = clear_color[1] = clear_color[2] = 0;
// Check if we can scan-out the fullscreen view
static bool last_scanned_out = false;
bool scanned_out = scan_out_fullscreen_view(output);
if (scanned_out && !last_scanned_out) {
wlr_log(WLR_DEBUG, "Scanning out fullscreen view");
}
if (last_scanned_out && !scanned_out) {
wlr_log(WLR_DEBUG, "Stopping fullscreen view scan out");
}
last_scanned_out = scanned_out;
if (scanned_out) {
goto send_frame_done;
}
}
bool needs_frame;
pixman_region32_t buffer_damage;
pixman_region32_init(&buffer_damage);
if (!wlr_output_damage_attach_render(output->damage, &needs_frame,
&buffer_damage)) {
return;
}
struct render_data data = {
.damage = &buffer_damage,
.alpha = 1.0,
};
if (!needs_frame) {
// Output doesn't need swap and isn't damaged, skip rendering completely
goto buffer_damage_finish;
}
wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height);
if (!pixman_region32_not_empty(&buffer_damage)) {
// Output isn't damaged but needs buffer swap
goto renderer_end;
}
if (server->config->debug_damage_tracking) {
wlr_renderer_clear(renderer, (float[]){1, 1, 0, 1});
}
int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(&buffer_damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(output->wlr_output, &rects[i]);
wlr_renderer_clear(renderer, clear_color);
}
// If a view is fullscreen on this output, render it
if (output->fullscreen_view != NULL) {
struct roots_view *view = output->fullscreen_view;
render_view(output, view, &data);
// During normal rendering the xwayland window tree isn't traversed
// because all windows are rendered. Here we only want to render
// the fullscreen window's children so we have to traverse the tree.
#if WLR_HAS_XWAYLAND
if (view->type == ROOTS_XWAYLAND_VIEW) {
struct roots_xwayland_surface *xwayland_surface =
roots_xwayland_surface_from_view(view);
output_xwayland_children_for_each_surface(output,
xwayland_surface->xwayland_surface,
render_surface_iterator, &data);
}
#endif
} else {
// Render background and bottom layers under views
render_layer(output, &buffer_damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]);
render_layer(output, &buffer_damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]);
// Render all views
struct roots_view *view;
wl_list_for_each_reverse(view, &desktop->views, link) {
render_view(output, view, &data);
}
// Render top layer above views
render_layer(output, &buffer_damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
}
render_drag_icons(output, &buffer_damage, server->input);
render_layer(output, &buffer_damage,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]);
renderer_end:
wlr_output_render_software_cursors(wlr_output, &buffer_damage);
wlr_renderer_scissor(renderer, NULL);
wlr_renderer_end(renderer);
int width, height;
wlr_output_transformed_resolution(wlr_output, &width, &height);
pixman_region32_t frame_damage;
pixman_region32_init(&frame_damage);
enum wl_output_transform transform =
wlr_output_transform_invert(wlr_output->transform);
wlr_region_transform(&frame_damage, &output->damage->current,
transform, width, height);
if (server->config->debug_damage_tracking) {
pixman_region32_union_rect(&frame_damage, &frame_damage,
0, 0, wlr_output->width, wlr_output->height);
}
wlr_output_set_damage(wlr_output, &frame_damage);
pixman_region32_fini(&frame_damage);
if (!wlr_output_commit(wlr_output)) {
goto buffer_damage_finish;
}
output->last_frame = desktop->last_frame = now;
buffer_damage_finish:
pixman_region32_fini(&buffer_damage);
send_frame_done:
// Send frame done events to all surfaces
output_for_each_surface(output, surface_send_frame_done_iterator, &now);
}

63
rootston/rootston.ini.example
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[core]
# X11 support
# - true: enables X11, xwayland is started only when an X11 client connects
# - immediate: enables X11, xwayland is started immediately
# - false: disables xwayland
xwayland=false
# Single output configuration. String after colon must match output's name.
[output:VGA-1]
# Set logical (layout) coordinates for this screen
x = 1920
y = 0
# Screen transformation
# possible values are:
# '90', '180' or '270' - rotate output by specified angle clockwise
# 'flipped' - flip output horizontally
# 'flipped-90', 'flipped-180', 'flipped-270' - flip output horizontally
# and rotate by specified angle
rotate = 90
# Additional video mode to add
# Format is generated by cvt and is documented in x.org.conf(5)
modeline = 87.25 720 776 848 976 1440 1443 1453 1493 -hsync +vsync
modeline = 65.13 768 816 896 1024 1024 1025 1028 1060 -HSync +VSync
# Select one of the above modes
mode = 768x1024
[cursor]
# Restrict cursor movements to single output
map-to-output = VGA-1
# Restrict cursor movements to concrete rectangle
geometry = 2500x800
# Load a custom XCursor theme
theme = default
# Single device configuration. String after colon must match device's name.
[device:PixArt Dell MS116 USB Optical Mouse]
# Restrict cursor movements for this mouse to single output
map-to-output = VGA-1
# Restrict cursor movements for this mouse to concrete rectangle
geometry = 2500x800
# tap_enabled=true
[keyboard]
meta-key = Logo
# Keybindings
# Maps key combinations with commands to execute
# Commands include:
# - "exit" to stop the compositor
# - "exec" to execute a shell command
# - "close" to close the current view
# - "next_window" to cycle through windows
# - "alpha" to cycle a window's alpha channel
# - "break_pointer_constraint" to decline and deactivate all pointer constraints
[bindings]
Logo+Shift+e = exit
Logo+q = close
Logo+m = maximize
Logo+Escape = break_pointer_constraint
Alt+Tab = next_window
Ctrl+Shift+a = alpha

1642
rootston/seat.c
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22
rootston/switch.c
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#include <stdlib.h>
#include <wlr/util/log.h>
#include "rootston/bindings.h"
void roots_switch_handle_toggle(struct roots_switch *switch_device,
struct wlr_event_switch_toggle *event) {
struct wl_list *bound_switches =
&switch_device->seat->input->server->config->switches;
struct roots_switch_config *sc;
wl_list_for_each(sc, bound_switches, link) {
if ((sc->name != NULL && strcmp(event->device->name, sc->name) != 0) &&
(sc->name == NULL && event->switch_type != sc->switch_type)) {
continue;
}
if (sc->switch_state != WLR_SWITCH_STATE_TOGGLE &&
event->switch_state != sc->switch_state) {
continue;
}
execute_binding_command(switch_device->seat,
switch_device->seat->input, sc->command);
}
}

312
rootston/text_input.c
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#include <assert.h>
#include <stdlib.h>
#include <wlr/util/log.h>
#include "rootston/seat.h"
#include "rootston/text_input.h"
static struct roots_text_input *relay_get_focusable_text_input(
struct roots_input_method_relay *relay) {
struct roots_text_input *text_input = NULL;
wl_list_for_each(text_input, &relay->text_inputs, link) {
if (text_input->pending_focused_surface) {
return text_input;
}
}
return NULL;
}
static struct roots_text_input *relay_get_focused_text_input(
struct roots_input_method_relay *relay) {
struct roots_text_input *text_input = NULL;
wl_list_for_each(text_input, &relay->text_inputs, link) {
if (text_input->input->focused_surface) {
return text_input;
}
}
return NULL;
}
static void handle_im_commit(struct wl_listener *listener, void *data) {
struct roots_input_method_relay *relay = wl_container_of(listener, relay,
input_method_commit);
struct roots_text_input *text_input = relay_get_focused_text_input(relay);
if (!text_input) {
return;
}
struct wlr_input_method_v2 *context = data;
assert(context == relay->input_method);
if (context->current.preedit.text) {
wlr_text_input_v3_send_preedit_string(text_input->input,
context->current.preedit.text,
context->current.preedit.cursor_begin,
context->current.preedit.cursor_end);
}
if (context->current.commit_text) {
wlr_text_input_v3_send_commit_string(text_input->input,
context->current.commit_text);
}
if (context->current.delete.before_length
|| context->current.delete.after_length) {
wlr_text_input_v3_send_delete_surrounding_text(text_input->input,
context->current.delete.before_length,
context->current.delete.after_length);
}
wlr_text_input_v3_send_done(text_input->input);
}
static void text_input_set_pending_focused_surface(
struct roots_text_input *text_input, struct wlr_surface *surface) {
text_input->pending_focused_surface = surface;
wl_signal_add(&surface->events.destroy,
&text_input->pending_focused_surface_destroy);
}
static void text_input_clear_pending_focused_surface(
struct roots_text_input *text_input) {
wl_list_remove(&text_input->pending_focused_surface_destroy.link);
wl_list_init(&text_input->pending_focused_surface_destroy.link);
text_input->pending_focused_surface = NULL;
}
static void handle_im_destroy(struct wl_listener *listener, void *data) {
struct roots_input_method_relay *relay = wl_container_of(listener, relay,
input_method_destroy);
struct wlr_input_method_v2 *context = data;
assert(context == relay->input_method);
relay->input_method = NULL;
struct roots_text_input *text_input = relay_get_focused_text_input(relay);
if (text_input) {
// keyboard focus is still there, so keep the surface at hand in case
// the input method returns
text_input_set_pending_focused_surface(text_input,
text_input->input->focused_surface);
wlr_text_input_v3_send_leave(text_input->input);
}
}
static void relay_send_im_done(struct roots_input_method_relay *relay,
struct wlr_text_input_v3 *input) {
struct wlr_input_method_v2 *input_method = relay->input_method;
if (!input_method) {
wlr_log(WLR_INFO, "Sending IM_DONE but im is gone");
return;
}
// TODO: only send each of those if they were modified
wlr_input_method_v2_send_surrounding_text(input_method,
input->current.surrounding.text, input->current.surrounding.cursor,
input->current.surrounding.anchor);
wlr_input_method_v2_send_text_change_cause(input_method,
input->current.text_change_cause);
wlr_input_method_v2_send_content_type(input_method,
input->current.content_type.hint, input->current.content_type.purpose);
wlr_input_method_v2_send_done(input_method);
// TODO: pass intent, display popup size
}
static struct roots_text_input *text_input_to_roots(
struct roots_input_method_relay *relay,
struct wlr_text_input_v3 *text_input) {
struct roots_text_input *roots_text_input = NULL;
wl_list_for_each(roots_text_input, &relay->text_inputs, link) {
if (roots_text_input->input == text_input) {
return roots_text_input;
}
}
return NULL;
}
static void handle_text_input_enable(struct wl_listener *listener, void *data) {
struct roots_input_method_relay *relay = wl_container_of(listener, relay,
text_input_enable);
if (relay->input_method == NULL) {
wlr_log(WLR_INFO, "Enabling text input when input method is gone");
return;
}
struct roots_text_input *text_input = text_input_to_roots(relay,
(struct wlr_text_input_v3*)data);
wlr_input_method_v2_send_activate(relay->input_method);
relay_send_im_done(relay, text_input->input);
}
static void handle_text_input_commit(struct wl_listener *listener,
void *data) {
struct roots_input_method_relay *relay = wl_container_of(listener, relay,
text_input_commit);
struct roots_text_input *text_input = text_input_to_roots(relay,
(struct wlr_text_input_v3*)data);
if (!text_input->input->current_enabled) {
wlr_log(WLR_INFO, "Inactive text input tried to commit an update");
return;
}
wlr_log(WLR_DEBUG, "Text input committed update");
if (relay->input_method == NULL) {
wlr_log(WLR_INFO, "Text input committed, but input method is gone");
return;
}
relay_send_im_done(relay, text_input->input);
}
static void relay_disable_text_input(struct roots_input_method_relay *relay,
struct roots_text_input *text_input) {
if (relay->input_method == NULL) {
wlr_log(WLR_DEBUG, "Disabling text input, but input method is gone");
return;
}
wlr_input_method_v2_send_deactivate(relay->input_method);
relay_send_im_done(relay, text_input->input);
}
static void handle_text_input_disable(struct wl_listener *listener,
void *data) {
struct roots_input_method_relay *relay = wl_container_of(listener, relay,
text_input_disable);
struct roots_text_input *text_input = text_input_to_roots(relay,
(struct wlr_text_input_v3*)data);
relay_disable_text_input(relay, text_input);
}
static void handle_text_input_destroy(struct wl_listener *listener,
void *data) {
struct roots_input_method_relay *relay = wl_container_of(listener, relay,
text_input_destroy);
struct roots_text_input *text_input = text_input_to_roots(relay,
(struct wlr_text_input_v3*)data);
if (text_input->input->current_enabled) {
relay_disable_text_input(relay, text_input);
}
text_input_clear_pending_focused_surface(text_input);
wl_list_remove(&text_input->link);
text_input->input = NULL;
free(text_input);
}
static void handle_pending_focused_surface_destroy(struct wl_listener *listener,
void *data) {
struct roots_text_input *text_input = wl_container_of(listener, text_input,
pending_focused_surface_destroy);
struct wlr_surface *surface = data;
assert(text_input->pending_focused_surface == surface);
text_input->pending_focused_surface = NULL;
}
struct roots_text_input *roots_text_input_create(
struct roots_input_method_relay *relay,
struct wlr_text_input_v3 *text_input) {
struct roots_text_input *input = calloc(1, sizeof(struct roots_text_input));
if (!input) {
return NULL;
}
input->input = text_input;
input->relay = relay;
wl_signal_add(&text_input->events.enable, &relay->text_input_enable);
relay->text_input_enable.notify = handle_text_input_enable;
wl_signal_add(&text_input->events.commit, &relay->text_input_commit);
relay->text_input_commit.notify = handle_text_input_commit;
wl_signal_add(&text_input->events.disable, &relay->text_input_disable);
relay->text_input_disable.notify = handle_text_input_disable;
wl_signal_add(&text_input->events.destroy, &relay->text_input_destroy);
relay->text_input_destroy.notify = handle_text_input_destroy;
input->pending_focused_surface_destroy.notify =
handle_pending_focused_surface_destroy;
wl_list_init(&input->pending_focused_surface_destroy.link);
return input;
}
static void relay_handle_text_input(struct wl_listener *listener,
void *data) {
struct roots_input_method_relay *relay = wl_container_of(listener, relay,
text_input_new);
struct wlr_text_input_v3 *wlr_text_input = data;
if (relay->seat->seat != wlr_text_input->seat) {
return;
}
struct roots_text_input *text_input = roots_text_input_create(relay,
wlr_text_input);
if (!text_input) {
return;
}
wl_list_insert(&relay->text_inputs, &text_input->link);
}
static void relay_handle_input_method(struct wl_listener *listener,
void *data) {
struct roots_input_method_relay *relay = wl_container_of(listener, relay,
input_method_new);
struct wlr_input_method_v2 *input_method = data;
if (relay->seat->seat != input_method->seat) {
return;
}
if (relay->input_method != NULL) {
wlr_log(WLR_INFO, "Attempted to connect second input method to a seat");
wlr_input_method_v2_send_unavailable(input_method);
return;
}
relay->input_method = input_method;
wl_signal_add(&relay->input_method->events.commit,
&relay->input_method_commit);
relay->input_method_commit.notify = handle_im_commit;
wl_signal_add(&relay->input_method->events.destroy,
&relay->input_method_destroy);
relay->input_method_destroy.notify = handle_im_destroy;
struct roots_text_input *text_input = relay_get_focusable_text_input(relay);
if (text_input) {
wlr_text_input_v3_send_enter(text_input->input,
text_input->pending_focused_surface);
text_input_clear_pending_focused_surface(text_input);
}
}
void roots_input_method_relay_init(struct roots_seat *seat,
struct roots_input_method_relay *relay) {
relay->seat = seat;
wl_list_init(&relay->text_inputs);
relay->text_input_new.notify = relay_handle_text_input;
wl_signal_add(&seat->input->server->desktop->text_input->events.text_input,
&relay->text_input_new);
relay->input_method_new.notify = relay_handle_input_method;
wl_signal_add(
&seat->input->server->desktop->input_method->events.input_method,
&relay->input_method_new);
}
void roots_input_method_relay_set_focus(struct roots_input_method_relay *relay,
struct wlr_surface *surface) {
struct roots_text_input *text_input;
wl_list_for_each(text_input, &relay->text_inputs, link) {
if (text_input->pending_focused_surface) {
assert(text_input->input->focused_surface == NULL);
if (surface != text_input->pending_focused_surface) {
text_input_clear_pending_focused_surface(text_input);
}
} else if (text_input->input->focused_surface) {
assert(text_input->pending_focused_surface == NULL);
if (surface != text_input->input->focused_surface) {
relay_disable_text_input(relay, text_input);
wlr_text_input_v3_send_leave(text_input->input);
}
}
if (surface
&& wl_resource_get_client(text_input->input->resource)
== wl_resource_get_client(surface->resource)) {
if (relay->input_method) {
wlr_text_input_v3_send_enter(text_input->input, surface);
} else {
text_input_set_pending_focused_surface(text_input, surface);
}
}
}
}

685
rootston/view.c
Unescape View File

@ -1,685 +0,0 @@
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <wlr/types/wlr_output_layout.h>
#include "rootston/desktop.h"
#include "rootston/input.h"
#include "rootston/seat.h"
#include "rootston/server.h"
#include "rootston/view.h"
void view_init(struct roots_view *view, const struct roots_view_interface *impl,
enum roots_view_type type, struct roots_desktop *desktop) {
assert(impl->destroy);
view->impl = impl;
view->type = type;
view->desktop = desktop;
view->alpha = 1.0f;
wl_signal_init(&view->events.unmap);
wl_signal_init(&view->events.destroy);
wl_list_init(&view->children);
}
void view_destroy(struct roots_view *view) {
if (view == NULL) {
return;
}
wl_signal_emit(&view->events.destroy, view);
if (view->wlr_surface != NULL) {
view_unmap(view);
}
// Can happen if fullscreened while unmapped, and hasn't been mapped
if (view->fullscreen_output != NULL) {
view->fullscreen_output->fullscreen_view = NULL;
}
view->impl->destroy(view);
}
void view_get_box(const struct roots_view *view, struct wlr_box *box) {
box->x = view->box.x;
box->y = view->box.y;
box->width = view->box.width;
box->height = view->box.height;
}
void view_get_deco_box(const struct roots_view *view, struct wlr_box *box) {
view_get_box(view, box);
if (!view->decorated) {
return;
}
box->x -= view->border_width;
box->y -= (view->border_width + view->titlebar_height);
box->width += view->border_width * 2;
box->height += (view->border_width * 2 + view->titlebar_height);
}
enum roots_deco_part view_get_deco_part(struct roots_view *view, double sx,
double sy) {
if (!view->decorated) {
return ROOTS_DECO_PART_NONE;
}
int sw = view->wlr_surface->current.width;
int sh = view->wlr_surface->current.height;
int bw = view->border_width;
int titlebar_h = view->titlebar_height;
if (sx > 0 && sx < sw && sy < 0 && sy > -view->titlebar_height) {
return ROOTS_DECO_PART_TITLEBAR;
}
enum roots_deco_part parts = 0;
if (sy >= -(titlebar_h + bw) &&
sy <= sh + bw) {
if (sx < 0 && sx > -bw) {
parts |= ROOTS_DECO_PART_LEFT_BORDER;
} else if (sx > sw && sx < sw + bw) {
parts |= ROOTS_DECO_PART_RIGHT_BORDER;
}
}
if (sx >= -bw && sx <= sw + bw) {
if (sy > sh && sy <= sh + bw) {
parts |= ROOTS_DECO_PART_BOTTOM_BORDER;
} else if (sy >= -(titlebar_h + bw) && sy < 0) {
parts |= ROOTS_DECO_PART_TOP_BORDER;
}
}
// TODO corners
return parts;
}
static void view_update_output(const struct roots_view *view,
const struct wlr_box *before) {
struct roots_desktop *desktop = view->desktop;
if (view->wlr_surface == NULL) {
return;
}
struct wlr_box box;
view_get_box(view, &box);
struct roots_output *output;
wl_list_for_each(output, &desktop->outputs, link) {
bool intersected = before != NULL && wlr_output_layout_intersects(
desktop->layout, output->wlr_output, before);
bool intersects = wlr_output_layout_intersects(desktop->layout,
output->wlr_output, &box);
if (intersected && !intersects) {
wlr_surface_send_leave(view->wlr_surface, output->wlr_output);
if (view->toplevel_handle) {
wlr_foreign_toplevel_handle_v1_output_leave(
view->toplevel_handle, output->wlr_output);
}
}
if (!intersected && intersects) {
wlr_surface_send_enter(view->wlr_surface, output->wlr_output);
if (view->toplevel_handle) {
wlr_foreign_toplevel_handle_v1_output_enter(
view->toplevel_handle, output->wlr_output);
}
}
}
}
void view_move(struct roots_view *view, double x, double y) {
if (view->box.x == x && view->box.y == y) {
return;
}
struct wlr_box before;
view_get_box(view, &before);
if (view->impl->move) {
view->impl->move(view, x, y);
} else {
view_update_position(view, x, y);
}
view_update_output(view, &before);
}
void view_activate(struct roots_view *view, bool activate) {
if (view->impl->activate) {
view->impl->activate(view, activate);
}
if (view->toplevel_handle) {
wlr_foreign_toplevel_handle_v1_set_activated(view->toplevel_handle,
activate);
}
}
void view_resize(struct roots_view *view, uint32_t width, uint32_t height) {
struct wlr_box before;
view_get_box(view, &before);
if (view->impl->resize) {
view->impl->resize(view, width, height);
}
view_update_output(view, &before);
}
void view_move_resize(struct roots_view *view, double x, double y,
uint32_t width, uint32_t height) {
bool update_x = x != view->box.x;
bool update_y = y != view->box.y;
if (!update_x && !update_y) {
view_resize(view, width, height);
return;
}
if (view->impl->move_resize) {
view->impl->move_resize(view, x, y, width, height);
return;
}
view->pending_move_resize.update_x = update_x;
view->pending_move_resize.update_y = update_y;
view->pending_move_resize.x = x;
view->pending_move_resize.y = y;
view->pending_move_resize.width = width;
view->pending_move_resize.height = height;
view_resize(view, width, height);
}
static struct wlr_output *view_get_output(struct roots_view *view) {
struct wlr_box view_box;
view_get_box(view, &view_box);
double output_x, output_y;
wlr_output_layout_closest_point(view->desktop->layout, NULL,
view->box.x + (double)view_box.width/2,
view->box.y + (double)view_box.height/2,
&output_x, &output_y);
return wlr_output_layout_output_at(view->desktop->layout, output_x,
output_y);
}
void view_arrange_maximized(struct roots_view *view) {
if (view->fullscreen_output != NULL) {
return;
}
struct wlr_box view_box;
view_get_box(view, &view_box);
struct wlr_output *output = view_get_output(view);
struct roots_output *roots_output = output->data;
struct wlr_box *output_box =
wlr_output_layout_get_box(view->desktop->layout, output);
struct wlr_box usable_area;
memcpy(&usable_area, &roots_output->usable_area,
sizeof(struct wlr_box));
usable_area.x += output_box->x;
usable_area.y += output_box->y;
view_move_resize(view, usable_area.x, usable_area.y,
usable_area.width, usable_area.height);
view_rotate(view, 0);
}
void view_maximize(struct roots_view *view, bool maximized) {
if (view->maximized == maximized || view->fullscreen_output != NULL) {
return;
}
if (view->impl->maximize) {
view->impl->maximize(view, maximized);
}
if (view->toplevel_handle) {
wlr_foreign_toplevel_handle_v1_set_maximized(view->toplevel_handle,
maximized);
}
if (!view->maximized && maximized) {
view->maximized = true;
view->saved.x = view->box.x;
view->saved.y = view->box.y;
view->saved.rotation = view->rotation;
view->saved.width = view->box.width;
view->saved.height = view->box.height;
view_arrange_maximized(view);
}
if (view->maximized && !maximized) {
view->maximized = false;
view_move_resize(view, view->saved.x, view->saved.y, view->saved.width,
view->saved.height);
view_rotate(view, view->saved.rotation);
}
}
void view_set_fullscreen(struct roots_view *view, bool fullscreen,
struct wlr_output *output) {
bool was_fullscreen = view->fullscreen_output != NULL;
if (was_fullscreen == fullscreen) {
// TODO: support changing the output?
return;
}
// TODO: check if client is focused?
if (view->impl->set_fullscreen) {
view->impl->set_fullscreen(view, fullscreen);
}
if (view->toplevel_handle) {
wlr_foreign_toplevel_handle_v1_set_fullscreen(view->toplevel_handle,
fullscreen);
}
if (!was_fullscreen && fullscreen) {
if (output == NULL) {
output = view_get_output(view);
}
struct roots_output *roots_output =
desktop_output_from_wlr_output(view->desktop, output);
if (roots_output == NULL) {
return;
}
struct wlr_box view_box;
view_get_box(view, &view_box);
view->saved.x = view->box.x;
view->saved.y = view->box.y;
view->saved.rotation = view->rotation;
view->saved.width = view_box.width;
view->saved.height = view_box.height;
struct wlr_box *output_box =
wlr_output_layout_get_box(view->desktop->layout, output);
view_move_resize(view, output_box->x, output_box->y, output_box->width,
output_box->height);
view_rotate(view, 0);
roots_output->fullscreen_view = view;
view->fullscreen_output = roots_output;
output_damage_whole(roots_output);
}
if (was_fullscreen && !fullscreen) {
view_move_resize(view, view->saved.x, view->saved.y, view->saved.width,
view->saved.height);
view_rotate(view, view->saved.rotation);
output_damage_whole(view->fullscreen_output);
view->fullscreen_output->fullscreen_view = NULL;
view->fullscreen_output = NULL;
}
}
void view_rotate(struct roots_view *view, float rotation) {
if (view->rotation == rotation) {
return;
}
view_damage_whole(view);
view->rotation = rotation;
view_damage_whole(view);
}
void view_cycle_alpha(struct roots_view *view) {
view->alpha -= 0.05;
/* Don't go completely transparent */
if (view->alpha < 0.1) {
view->alpha = 1.0;
}
view_damage_whole(view);
}
void view_close(struct roots_view *view) {
if (view->impl->close) {
view->impl->close(view);
}
}
bool view_center(struct roots_view *view) {
struct wlr_box box;
view_get_box(view, &box);
struct roots_desktop *desktop = view->desktop;
struct roots_input *input = desktop->server->input;
struct roots_seat *seat = input_last_active_seat(input);
if (!seat) {
return false;
}
struct wlr_output *output = wlr_output_layout_output_at(desktop->layout,
seat->cursor->cursor->x, seat->cursor->cursor->y);
if (!output) {
// empty layout
return false;
}
const struct wlr_output_layout_output *l_output =
wlr_output_layout_get(desktop->layout, output);
int width, height;
wlr_output_effective_resolution(output, &width, &height);
double view_x = (double)(width - box.width) / 2 + l_output->x;
double view_y = (double)(height - box.height) / 2 + l_output->y;
view_move(view, view_x, view_y);
return true;
}
void view_child_destroy(struct roots_view_child *child) {
if (child == NULL) {
return;
}
view_damage_whole(child->view);
wl_list_remove(&child->link);
wl_list_remove(&child->commit.link);
wl_list_remove(&child->new_subsurface.link);
child->impl->destroy(child);
}
static void view_child_handle_commit(struct wl_listener *listener,
void *data) {
struct roots_view_child *child = wl_container_of(listener, child, commit);
view_apply_damage(child->view);
}
static void view_child_handle_new_subsurface(struct wl_listener *listener,
void *data) {
struct roots_view_child *child =
wl_container_of(listener, child, new_subsurface);
struct wlr_subsurface *wlr_subsurface = data;
subsurface_create(child->view, wlr_subsurface);
}
void view_child_init(struct roots_view_child *child,
const struct roots_view_child_interface *impl, struct roots_view *view,
struct wlr_surface *wlr_surface) {
assert(impl->destroy);
child->impl = impl;
child->view = view;
child->wlr_surface = wlr_surface;
child->commit.notify = view_child_handle_commit;
wl_signal_add(&wlr_surface->events.commit, &child->commit);
child->new_subsurface.notify = view_child_handle_new_subsurface;
wl_signal_add(&wlr_surface->events.new_subsurface, &child->new_subsurface);
wl_list_insert(&view->children, &child->link);
}
static const struct roots_view_child_interface subsurface_impl;
static void subsurface_destroy(struct roots_view_child *child) {
assert(child->impl == &subsurface_impl);
struct roots_subsurface *subsurface = (struct roots_subsurface *)child;
wl_list_remove(&subsurface->destroy.link);
wl_list_remove(&subsurface->map.link);
wl_list_remove(&subsurface->unmap.link);
free(subsurface);
}
static const struct roots_view_child_interface subsurface_impl = {
.destroy = subsurface_destroy,
};
static void subsurface_handle_destroy(struct wl_listener *listener,
void *data) {
struct roots_subsurface *subsurface =
wl_container_of(listener, subsurface, destroy);
view_child_destroy(&subsurface->view_child);
}
static void subsurface_handle_map(struct wl_listener *listener,
void *data) {
struct roots_subsurface *subsurface =
wl_container_of(listener, subsurface, map);
struct roots_view *view = subsurface->view_child.view;
view_damage_whole(view);
input_update_cursor_focus(view->desktop->server->input);
}
static void subsurface_handle_unmap(struct wl_listener *listener,
void *data) {
struct roots_subsurface *subsurface =
wl_container_of(listener, subsurface, unmap);
struct roots_view *view = subsurface->view_child.view;
view_damage_whole(view);
input_update_cursor_focus(view->desktop->server->input);
}
struct roots_subsurface *subsurface_create(struct roots_view *view,
struct wlr_subsurface *wlr_subsurface) {
struct roots_subsurface *subsurface =
calloc(1, sizeof(struct roots_subsurface));
if (subsurface == NULL) {
return NULL;
}
subsurface->wlr_subsurface = wlr_subsurface;
view_child_init(&subsurface->view_child, &subsurface_impl,
view, wlr_subsurface->surface);
subsurface->destroy.notify = subsurface_handle_destroy;
wl_signal_add(&wlr_subsurface->events.destroy, &subsurface->destroy);
subsurface->map.notify = subsurface_handle_map;
wl_signal_add(&wlr_subsurface->events.map, &subsurface->map);
subsurface->unmap.notify = subsurface_handle_unmap;
wl_signal_add(&wlr_subsurface->events.unmap, &subsurface->unmap);
return subsurface;
}
static void view_handle_new_subsurface(struct wl_listener *listener,
void *data) {
struct roots_view *view = wl_container_of(listener, view, new_subsurface);
struct wlr_subsurface *wlr_subsurface = data;
subsurface_create(view, wlr_subsurface);
}
void view_map(struct roots_view *view, struct wlr_surface *surface) {
assert(view->wlr_surface == NULL);
view->wlr_surface = surface;
struct wlr_subsurface *subsurface;
wl_list_for_each(subsurface, &view->wlr_surface->subsurfaces,
parent_link) {
subsurface_create(view, subsurface);
}
view->new_subsurface.notify = view_handle_new_subsurface;
wl_signal_add(&view->wlr_surface->events.new_subsurface,
&view->new_subsurface);
wl_list_insert(&view->desktop->views, &view->link);
view_damage_whole(view);
input_update_cursor_focus(view->desktop->server->input);
}
void view_unmap(struct roots_view *view) {
assert(view->wlr_surface != NULL);
wl_signal_emit(&view->events.unmap, view);
view_damage_whole(view);
wl_list_remove(&view->link);
wl_list_remove(&view->new_subsurface.link);
struct roots_view_child *child, *tmp;
wl_list_for_each_safe(child, tmp, &view->children, link) {
view_child_destroy(child);
}
if (view->fullscreen_output != NULL) {
output_damage_whole(view->fullscreen_output);
view->fullscreen_output->fullscreen_view = NULL;
view->fullscreen_output = NULL;
}
view->wlr_surface = NULL;
view->box.width = view->box.height = 0;
if (view->toplevel_handle) {
wlr_foreign_toplevel_handle_v1_destroy(view->toplevel_handle);
view->toplevel_handle = NULL;
}
}
void view_initial_focus(struct roots_view *view) {
struct roots_input *input = view->desktop->server->input;
// TODO what seat gets focus? the one with the last input event?
struct roots_seat *seat;
wl_list_for_each(seat, &input->seats, link) {
roots_seat_set_focus(seat, view);
}
}
void view_setup(struct roots_view *view) {
view_initial_focus(view);
if (view->fullscreen_output == NULL && !view->maximized) {
view_center(view);
}
view_create_foreign_toplevel_handle(view);
view_update_output(view, NULL);
}
void view_apply_damage(struct roots_view *view) {
struct roots_output *output;
wl_list_for_each(output, &view->desktop->outputs, link) {
output_damage_from_view(output, view);
}
}
void view_damage_whole(struct roots_view *view) {
struct roots_output *output;
wl_list_for_each(output, &view->desktop->outputs, link) {
output_damage_whole_view(output, view);
}
}
void view_for_each_surface(struct roots_view *view,
wlr_surface_iterator_func_t iterator, void *user_data) {
if (view->impl->for_each_surface) {
view->impl->for_each_surface(view, iterator, user_data);
} else if (view->wlr_surface) {
wlr_surface_for_each_surface(view->wlr_surface, iterator, user_data);
}
}
void view_update_position(struct roots_view *view, int x, int y) {
if (view->box.x == x && view->box.y == y) {
return;
}
view_damage_whole(view);
view->box.x = x;
view->box.y = y;
view_damage_whole(view);
}
void view_update_size(struct roots_view *view, int width, int height) {
if (view->box.width == width && view->box.height == height) {
return;
}
view_damage_whole(view);
view->box.width = width;
view->box.height = height;
view_damage_whole(view);
}
void view_update_decorated(struct roots_view *view, bool decorated) {
if (view->decorated == decorated) {
return;
}
view_damage_whole(view);
view->decorated = decorated;
if (decorated) {
view->border_width = 4;
view->titlebar_height = 12;
} else {
view->border_width = 0;
view->titlebar_height = 0;
}
view_damage_whole(view);
}
void view_set_title(struct roots_view *view, const char *title) {
if (view->toplevel_handle) {
wlr_foreign_toplevel_handle_v1_set_title(view->toplevel_handle, title);
}
}
void view_set_app_id(struct roots_view *view, const char *app_id) {
if (view->toplevel_handle) {
wlr_foreign_toplevel_handle_v1_set_app_id(view->toplevel_handle, app_id);
}
}
static void handle_toplevel_handle_request_maximize(struct wl_listener *listener,
void *data) {
struct roots_view *view = wl_container_of(listener, view,
toplevel_handle_request_maximize);
struct wlr_foreign_toplevel_handle_v1_maximized_event *event = data;
view_maximize(view, event->maximized);
}
static void handle_toplevel_handle_request_activate(struct wl_listener *listener,
void *data) {
struct roots_view *view =
wl_container_of(listener, view, toplevel_handle_request_activate);
struct wlr_foreign_toplevel_handle_v1_activated_event *event = data;
struct roots_seat *seat;
wl_list_for_each(seat, &view->desktop->server->input->seats, link) {
if (event->seat == seat->seat) {
roots_seat_set_focus(seat, view);
}
}
}
static void handle_toplevel_handle_request_fullscreen(struct wl_listener *listener,
void *data) {
struct roots_view *view =
wl_container_of(listener, view, toplevel_handle_request_fullscreen);
struct wlr_foreign_toplevel_handle_v1_fullscreen_event *event = data;
view_set_fullscreen(view, event->fullscreen, event->output);
}
static void handle_toplevel_handle_request_close(struct wl_listener *listener,
void *data) {
struct roots_view *view =
wl_container_of(listener, view, toplevel_handle_request_close);
view_close(view);
}
void view_create_foreign_toplevel_handle(struct roots_view *view) {
view->toplevel_handle =
wlr_foreign_toplevel_handle_v1_create(
view->desktop->foreign_toplevel_manager_v1);
view->toplevel_handle_request_maximize.notify =
handle_toplevel_handle_request_maximize;
wl_signal_add(&view->toplevel_handle->events.request_maximize,
&view->toplevel_handle_request_maximize);
view->toplevel_handle_request_activate.notify =
handle_toplevel_handle_request_activate;
wl_signal_add(&view->toplevel_handle->events.request_activate,
&view->toplevel_handle_request_activate);
view->toplevel_handle_request_fullscreen.notify =
handle_toplevel_handle_request_fullscreen;
wl_signal_add(&view->toplevel_handle->events.request_fullscreen,
&view->toplevel_handle_request_fullscreen);
view->toplevel_handle_request_close.notify =
handle_toplevel_handle_request_close;
wl_signal_add(&view->toplevel_handle->events.request_close,
&view->toplevel_handle_request_close);
}

21
rootston/virtual_keyboard.c
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#define _POSIX_C_SOURCE 199309L
#include <wlr/util/log.h>
#include <wlr/types/wlr_virtual_keyboard_v1.h>
#include "rootston/virtual_keyboard.h"
#include "rootston/seat.h"
void handle_virtual_keyboard(struct wl_listener *listener, void *data) {
struct roots_desktop *desktop =
wl_container_of(listener, desktop, virtual_keyboard_new);
struct wlr_virtual_keyboard_v1 *keyboard = data;
struct roots_seat *seat = input_seat_from_wlr_seat(desktop->server->input,
keyboard->seat);
if (!seat) {
wlr_log(WLR_ERROR, "could not find roots seat");
return;
}
roots_seat_add_device(seat, &keyboard->input_device);
}

572
rootston/xdg_shell.c
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#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include <wayland-server-core.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/types/wlr_xdg_shell.h>
#include <wlr/util/log.h>
#include "rootston/cursor.h"
#include "rootston/desktop.h"
#include "rootston/input.h"
#include "rootston/server.h"
#include "rootston/view.h"
static const struct roots_view_child_interface popup_impl;
static void popup_destroy(struct roots_view_child *child) {
assert(child->impl == &popup_impl);
struct roots_xdg_popup *popup = (struct roots_xdg_popup *)child;
wl_list_remove(&popup->destroy.link);
wl_list_remove(&popup->new_popup.link);
wl_list_remove(&popup->map.link);
wl_list_remove(&popup->unmap.link);
free(popup);
}
static const struct roots_view_child_interface popup_impl = {
.destroy = popup_destroy,
};
static void popup_handle_destroy(struct wl_listener *listener, void *data) {
struct roots_xdg_popup *popup =
wl_container_of(listener, popup, destroy);
view_child_destroy(&popup->view_child);
}
static void popup_handle_map(struct wl_listener *listener, void *data) {
struct roots_xdg_popup *popup = wl_container_of(listener, popup, map);
view_damage_whole(popup->view_child.view);
input_update_cursor_focus(popup->view_child.view->desktop->server->input);
}
static void popup_handle_unmap(struct wl_listener *listener, void *data) {
struct roots_xdg_popup *popup = wl_container_of(listener, popup, unmap);
view_damage_whole(popup->view_child.view);
}
static struct roots_xdg_popup *popup_create(struct roots_view *view,
struct wlr_xdg_popup *wlr_popup);
static void popup_handle_new_popup(struct wl_listener *listener, void *data) {
struct roots_xdg_popup *popup =
wl_container_of(listener, popup, new_popup);
struct wlr_xdg_popup *wlr_popup = data;
popup_create(popup->view_child.view, wlr_popup);
}
static void popup_unconstrain(struct roots_xdg_popup *popup) {
// get the output of the popup's positioner anchor point and convert it to
// the toplevel parent's coordinate system and then pass it to
// wlr_xdg_popup_v6_unconstrain_from_box
// TODO: unconstrain popups for rotated windows
if (popup->view_child.view->rotation != 0.0) {
return;
}
struct roots_view *view = popup->view_child.view;
struct wlr_output_layout *layout = view->desktop->layout;
struct wlr_xdg_popup *wlr_popup = popup->wlr_popup;
int anchor_lx, anchor_ly;
wlr_xdg_popup_get_anchor_point(wlr_popup, &anchor_lx, &anchor_ly);
int popup_lx, popup_ly;
wlr_xdg_popup_get_toplevel_coords(wlr_popup, wlr_popup->geometry.x,
wlr_popup->geometry.y, &popup_lx, &popup_ly);
popup_lx += view->box.x;
popup_ly += view->box.y;
anchor_lx += popup_lx;
anchor_ly += popup_ly;
double dest_x = 0, dest_y = 0;
wlr_output_layout_closest_point(layout, NULL, anchor_lx, anchor_ly,
&dest_x, &dest_y);
struct wlr_output *output =
wlr_output_layout_output_at(layout, dest_x, dest_y);
if (output == NULL) {
return;
}
struct wlr_box *output_box =
wlr_output_layout_get_box(view->desktop->layout, output);
// the output box expressed in the coordinate system of the toplevel parent
// of the popup
struct wlr_box output_toplevel_sx_box = {
.x = output_box->x - view->box.x,
.y = output_box->y - view->box.y,
.width = output_box->width,
.height = output_box->height,
};
wlr_xdg_popup_unconstrain_from_box(
popup->wlr_popup, &output_toplevel_sx_box);
}
static struct roots_xdg_popup *popup_create(struct roots_view *view,
struct wlr_xdg_popup *wlr_popup) {
struct roots_xdg_popup *popup =
calloc(1, sizeof(struct roots_xdg_popup));
if (popup == NULL) {
return NULL;
}
popup->wlr_popup = wlr_popup;
view_child_init(&popup->view_child, &popup_impl,
view, wlr_popup->base->surface);
popup->destroy.notify = popup_handle_destroy;
wl_signal_add(&wlr_popup->base->events.destroy, &popup->destroy);
popup->map.notify = popup_handle_map;
wl_signal_add(&wlr_popup->base->events.map, &popup->map);
popup->unmap.notify = popup_handle_unmap;
wl_signal_add(&wlr_popup->base->events.unmap, &popup->unmap);
popup->new_popup.notify = popup_handle_new_popup;
wl_signal_add(&wlr_popup->base->events.new_popup, &popup->new_popup);
popup_unconstrain(popup);
return popup;
}
static void get_size(struct roots_view *view, struct wlr_box *box) {
struct wlr_xdg_surface *xdg_surface =
roots_xdg_surface_from_view(view)->xdg_surface;
struct wlr_box geo_box;
wlr_xdg_surface_get_geometry(xdg_surface, &geo_box);
box->width = geo_box.width;
box->height = geo_box.height;
}
static void activate(struct roots_view *view, bool active) {
struct wlr_xdg_surface *xdg_surface =
roots_xdg_surface_from_view(view)->xdg_surface;
if (xdg_surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
wlr_xdg_toplevel_set_activated(xdg_surface, active);
}
}
static void apply_size_constraints(struct wlr_xdg_surface *xdg_surface,
uint32_t width, uint32_t height, uint32_t *dest_width,
uint32_t *dest_height) {
*dest_width = width;
*dest_height = height;
struct wlr_xdg_toplevel_state *state = &xdg_surface->toplevel->current;
if (width < state->min_width) {
*dest_width = state->min_width;
} else if (state->max_width > 0 &&
width > state->max_width) {
*dest_width = state->max_width;
}
if (height < state->min_height) {
*dest_height = state->min_height;
} else if (state->max_height > 0 &&
height > state->max_height) {
*dest_height = state->max_height;
}
}
static void resize(struct roots_view *view, uint32_t width, uint32_t height) {
struct wlr_xdg_surface *xdg_surface =
roots_xdg_surface_from_view(view)->xdg_surface;
if (xdg_surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
return;
}
uint32_t constrained_width, constrained_height;
apply_size_constraints(xdg_surface, width, height, &constrained_width,
&constrained_height);
wlr_xdg_toplevel_set_size(xdg_surface, constrained_width,
constrained_height);
}
static void move_resize(struct roots_view *view, double x, double y,
uint32_t width, uint32_t height) {
struct roots_xdg_surface *xdg_surface =
roots_xdg_surface_from_view(view);
struct wlr_xdg_surface *wlr_xdg_surface = xdg_surface->xdg_surface;
if (wlr_xdg_surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
return;
}
bool update_x = x != view->box.x;
bool update_y = y != view->box.y;
uint32_t constrained_width, constrained_height;
apply_size_constraints(wlr_xdg_surface, width, height, &constrained_width,
&constrained_height);
if (update_x) {
x = x + width - constrained_width;
}
if (update_y) {
y = y + height - constrained_height;
}
view->pending_move_resize.update_x = update_x;
view->pending_move_resize.update_y = update_y;
view->pending_move_resize.x = x;
view->pending_move_resize.y = y;
view->pending_move_resize.width = constrained_width;
view->pending_move_resize.height = constrained_height;
uint32_t serial = wlr_xdg_toplevel_set_size(wlr_xdg_surface,
constrained_width, constrained_height);
if (serial > 0) {
xdg_surface->pending_move_resize_configure_serial = serial;
} else if (xdg_surface->pending_move_resize_configure_serial == 0) {
view_update_position(view, x, y);
}
}
static void maximize(struct roots_view *view, bool maximized) {
struct wlr_xdg_surface *xdg_surface =
roots_xdg_surface_from_view(view)->xdg_surface;
if (xdg_surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
return;
}
wlr_xdg_toplevel_set_maximized(xdg_surface, maximized);
}
static void set_fullscreen(struct roots_view *view, bool fullscreen) {
struct wlr_xdg_surface *xdg_surface =
roots_xdg_surface_from_view(view)->xdg_surface;
if (xdg_surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
return;
}
wlr_xdg_toplevel_set_fullscreen(xdg_surface, fullscreen);
}
static void close(struct roots_view *view) {
struct wlr_xdg_surface *xdg_surface =
roots_xdg_surface_from_view(view)->xdg_surface;
struct wlr_xdg_popup *popup = NULL;
wl_list_for_each(popup, &xdg_surface->popups, link) {
wlr_xdg_popup_destroy(popup->base);
}
wlr_xdg_toplevel_send_close(xdg_surface);
}
static void for_each_surface(struct roots_view *view,
wlr_surface_iterator_func_t iterator, void *user_data) {
struct wlr_xdg_surface *xdg_surface =
roots_xdg_surface_from_view(view)->xdg_surface;
wlr_xdg_surface_for_each_surface(xdg_surface, iterator, user_data);
}
static void destroy(struct roots_view *view) {
struct roots_xdg_surface *roots_xdg_surface =
roots_xdg_surface_from_view(view);
wl_list_remove(&roots_xdg_surface->surface_commit.link);
wl_list_remove(&roots_xdg_surface->destroy.link);
wl_list_remove(&roots_xdg_surface->new_popup.link);
wl_list_remove(&roots_xdg_surface->map.link);
wl_list_remove(&roots_xdg_surface->unmap.link);
wl_list_remove(&roots_xdg_surface->request_move.link);
wl_list_remove(&roots_xdg_surface->request_resize.link);
wl_list_remove(&roots_xdg_surface->request_maximize.link);
wl_list_remove(&roots_xdg_surface->request_fullscreen.link);
wl_list_remove(&roots_xdg_surface->set_title.link);
wl_list_remove(&roots_xdg_surface->set_app_id.link);
roots_xdg_surface->xdg_surface->data = NULL;
free(roots_xdg_surface);
}
static const struct roots_view_interface view_impl = {
.activate = activate,
.resize = resize,
.move_resize = move_resize,
.maximize = maximize,
.set_fullscreen = set_fullscreen,
.close = close,
.for_each_surface = for_each_surface,
.destroy = destroy,
};
static void handle_request_move(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, request_move);
struct roots_view *view = &roots_xdg_surface->view;
struct roots_input *input = view->desktop->server->input;
struct wlr_xdg_toplevel_move_event *e = data;
struct roots_seat *seat = input_seat_from_wlr_seat(input, e->seat->seat);
// TODO verify event serial
if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
return;
}
roots_seat_begin_move(seat, view);
}
static void handle_request_resize(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, request_resize);
struct roots_view *view = &roots_xdg_surface->view;
struct roots_input *input = view->desktop->server->input;
struct wlr_xdg_toplevel_resize_event *e = data;
// TODO verify event serial
struct roots_seat *seat = input_seat_from_wlr_seat(input, e->seat->seat);
assert(seat);
if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
return;
}
roots_seat_begin_resize(seat, view, e->edges);
}
static void handle_request_maximize(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, request_maximize);
struct roots_view *view = &roots_xdg_surface->view;
struct wlr_xdg_surface *surface = roots_xdg_surface->xdg_surface;
if (surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
return;
}
view_maximize(view, surface->toplevel->client_pending.maximized);
}
static void handle_request_fullscreen(struct wl_listener *listener,
void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, request_fullscreen);
struct roots_view *view = &roots_xdg_surface->view;
struct wlr_xdg_surface *surface = roots_xdg_surface->xdg_surface;
struct wlr_xdg_toplevel_set_fullscreen_event *e = data;
if (surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
return;
}
view_set_fullscreen(view, e->fullscreen, e->output);
}
static void handle_set_title(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, set_title);
view_set_title(&roots_xdg_surface->view,
roots_xdg_surface->xdg_surface->toplevel->title);
}
static void handle_set_app_id(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, set_app_id);
view_set_app_id(&roots_xdg_surface->view,
roots_xdg_surface->xdg_surface->toplevel->app_id);
}
static void handle_surface_commit(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_surface =
wl_container_of(listener, roots_surface, surface_commit);
struct roots_view *view = &roots_surface->view;
struct wlr_xdg_surface *surface = roots_surface->xdg_surface;
if (!surface->mapped) {
return;
}
view_apply_damage(view);
struct wlr_box size;
get_size(view, &size);
view_update_size(view, size.width, size.height);
uint32_t pending_serial =
roots_surface->pending_move_resize_configure_serial;
if (pending_serial > 0 && pending_serial >= surface->configure_serial) {
double x = view->box.x;
double y = view->box.y;
if (view->pending_move_resize.update_x) {
x = view->pending_move_resize.x + view->pending_move_resize.width -
size.width;
}
if (view->pending_move_resize.update_y) {
y = view->pending_move_resize.y + view->pending_move_resize.height -
size.height;
}
view_update_position(view, x, y);
if (pending_serial == surface->configure_serial) {
roots_surface->pending_move_resize_configure_serial = 0;
}
}
}
static void handle_new_popup(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, new_popup);
struct wlr_xdg_popup *wlr_popup = data;
popup_create(&roots_xdg_surface->view, wlr_popup);
}
static void handle_map(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, map);
struct roots_view *view = &roots_xdg_surface->view;
struct wlr_box box;
get_size(view, &box);
view->box.width = box.width;
view->box.height = box.height;
view_map(view, roots_xdg_surface->xdg_surface->surface);
view_setup(view);
wlr_foreign_toplevel_handle_v1_set_title(view->toplevel_handle,
roots_xdg_surface->xdg_surface->toplevel->title ?: "none");
wlr_foreign_toplevel_handle_v1_set_app_id(view->toplevel_handle,
roots_xdg_surface->xdg_surface->toplevel->app_id ?: "none");
}
static void handle_unmap(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, unmap);
view_unmap(&roots_xdg_surface->view);
}
static void handle_destroy(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, destroy);
view_destroy(&roots_xdg_surface->view);
}
void handle_xdg_shell_surface(struct wl_listener *listener, void *data) {
struct wlr_xdg_surface *surface = data;
assert(surface->role != WLR_XDG_SURFACE_ROLE_NONE);
if (surface->role == WLR_XDG_SURFACE_ROLE_POPUP) {
wlr_log(WLR_DEBUG, "new xdg popup");
return;
}
struct roots_desktop *desktop =
wl_container_of(listener, desktop, xdg_shell_surface);
wlr_log(WLR_DEBUG, "new xdg toplevel: title=%s, app_id=%s",
surface->toplevel->title, surface->toplevel->app_id);
wlr_xdg_surface_ping(surface);
struct roots_xdg_surface *roots_surface =
calloc(1, sizeof(struct roots_xdg_surface));
if (!roots_surface) {
return;
}
view_init(&roots_surface->view, &view_impl, ROOTS_XDG_SHELL_VIEW, desktop);
roots_surface->xdg_surface = surface;
surface->data = roots_surface;
view_maximize(&roots_surface->view, surface->toplevel->client_pending.maximized);
view_set_fullscreen(&roots_surface->view, surface->toplevel->client_pending.fullscreen,
surface->toplevel->client_pending.fullscreen_output);
roots_surface->surface_commit.notify = handle_surface_commit;
wl_signal_add(&surface->surface->events.commit,
&roots_surface->surface_commit);
roots_surface->destroy.notify = handle_destroy;
wl_signal_add(&surface->events.destroy, &roots_surface->destroy);
roots_surface->map.notify = handle_map;
wl_signal_add(&surface->events.map, &roots_surface->map);
roots_surface->unmap.notify = handle_unmap;
wl_signal_add(&surface->events.unmap, &roots_surface->unmap);
roots_surface->request_move.notify = handle_request_move;
wl_signal_add(&surface->toplevel->events.request_move,
&roots_surface->request_move);
roots_surface->request_resize.notify = handle_request_resize;
wl_signal_add(&surface->toplevel->events.request_resize,
&roots_surface->request_resize);
roots_surface->request_maximize.notify = handle_request_maximize;
wl_signal_add(&surface->toplevel->events.request_maximize,
&roots_surface->request_maximize);
roots_surface->request_fullscreen.notify = handle_request_fullscreen;
wl_signal_add(&surface->toplevel->events.request_fullscreen,
&roots_surface->request_fullscreen);
roots_surface->set_title.notify = handle_set_title;
wl_signal_add(&surface->toplevel->events.set_title, &roots_surface->set_title);
roots_surface->set_app_id.notify = handle_set_app_id;
wl_signal_add(&surface->toplevel->events.set_app_id,
&roots_surface->set_app_id);
roots_surface->new_popup.notify = handle_new_popup;
wl_signal_add(&surface->events.new_popup, &roots_surface->new_popup);
}
static void decoration_handle_destroy(struct wl_listener *listener,
void *data) {
struct roots_xdg_toplevel_decoration *decoration =
wl_container_of(listener, decoration, destroy);
decoration->surface->xdg_toplevel_decoration = NULL;
view_update_decorated(&decoration->surface->view, false);
wl_list_remove(&decoration->destroy.link);
wl_list_remove(&decoration->request_mode.link);
wl_list_remove(&decoration->surface_commit.link);
free(decoration);
}
static void decoration_handle_request_mode(struct wl_listener *listener,
void *data) {
struct roots_xdg_toplevel_decoration *decoration =
wl_container_of(listener, decoration, request_mode);
enum wlr_xdg_toplevel_decoration_v1_mode mode =
decoration->wlr_decoration->client_pending_mode;
if (mode == WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_NONE) {
mode = WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE;
}
wlr_xdg_toplevel_decoration_v1_set_mode(decoration->wlr_decoration, mode);
}
static void decoration_handle_surface_commit(struct wl_listener *listener,
void *data) {
struct roots_xdg_toplevel_decoration *decoration =
wl_container_of(listener, decoration, surface_commit);
bool decorated = decoration->wlr_decoration->current_mode ==
WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE;
view_update_decorated(&decoration->surface->view, decorated);
}
void handle_xdg_toplevel_decoration(struct wl_listener *listener, void *data) {
struct wlr_xdg_toplevel_decoration_v1 *wlr_decoration = data;
wlr_log(WLR_DEBUG, "new xdg toplevel decoration");
struct roots_xdg_surface *xdg_surface = wlr_decoration->surface->data;
assert(xdg_surface != NULL);
struct wlr_xdg_surface *wlr_xdg_surface = xdg_surface->xdg_surface;
struct roots_xdg_toplevel_decoration *decoration =
calloc(1, sizeof(struct roots_xdg_toplevel_decoration));
if (decoration == NULL) {
return;
}
decoration->wlr_decoration = wlr_decoration;
decoration->surface = xdg_surface;
xdg_surface->xdg_toplevel_decoration = decoration;
decoration->destroy.notify = decoration_handle_destroy;
wl_signal_add(&wlr_decoration->events.destroy, &decoration->destroy);
decoration->request_mode.notify = decoration_handle_request_mode;
wl_signal_add(&wlr_decoration->events.request_mode,
&decoration->request_mode);
decoration->surface_commit.notify = decoration_handle_surface_commit;
wl_signal_add(&wlr_xdg_surface->surface->events.commit,
&decoration->surface_commit);
decoration_handle_request_mode(&decoration->request_mode, wlr_decoration);
}
struct roots_xdg_surface *roots_xdg_surface_from_view(struct roots_view *view) {
assert(view->impl == &view_impl);
return (struct roots_xdg_surface *)view;
}

504
rootston/xdg_shell_v6.c
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@ -1,504 +0,0 @@
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include <wayland-server-core.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/types/wlr_xdg_shell_v6.h>
#include <wlr/util/log.h>
#include "rootston/desktop.h"
#include "rootston/input.h"
#include "rootston/server.h"
static const struct roots_view_child_interface popup_impl;
static void popup_destroy(struct roots_view_child *child) {
assert(child->impl == &popup_impl);
struct roots_xdg_popup_v6 *popup = (struct roots_xdg_popup_v6 *)child;
wl_list_remove(&popup->destroy.link);
wl_list_remove(&popup->new_popup.link);
wl_list_remove(&popup->map.link);
wl_list_remove(&popup->unmap.link);
free(popup);
}
static const struct roots_view_child_interface popup_impl = {
.destroy = popup_destroy,
};
static void popup_handle_destroy(struct wl_listener *listener, void *data) {
struct roots_xdg_popup_v6 *popup =
wl_container_of(listener, popup, destroy);
view_child_destroy(&popup->view_child);
}
static void popup_handle_map(struct wl_listener *listener, void *data) {
struct roots_xdg_popup_v6 *popup =
wl_container_of(listener, popup, map);
view_damage_whole(popup->view_child.view);
input_update_cursor_focus(popup->view_child.view->desktop->server->input);
}
static void popup_handle_unmap(struct wl_listener *listener, void *data) {
struct roots_xdg_popup_v6 *popup =
wl_container_of(listener, popup, unmap);
view_damage_whole(popup->view_child.view);
}
static struct roots_xdg_popup_v6 *popup_create(struct roots_view *view,
struct wlr_xdg_popup_v6 *wlr_popup);
static void popup_handle_new_popup(struct wl_listener *listener, void *data) {
struct roots_xdg_popup_v6 *popup =
wl_container_of(listener, popup, new_popup);
struct wlr_xdg_popup_v6 *wlr_popup = data;
popup_create(popup->view_child.view, wlr_popup);
}
static void popup_unconstrain(struct roots_xdg_popup_v6 *popup) {
// get the output of the popup's positioner anchor point and convert it to
// the toplevel parent's coordinate system and then pass it to
// wlr_xdg_popup_v6_unconstrain_from_box
// TODO: unconstrain popups for rotated windows
if (popup->view_child.view->rotation != 0.0) {
return;
}
struct roots_view *view = popup->view_child.view;
struct wlr_output_layout *layout = view->desktop->layout;
struct wlr_xdg_popup_v6 *wlr_popup = popup->wlr_popup;
int anchor_lx, anchor_ly;
wlr_xdg_popup_v6_get_anchor_point(wlr_popup, &anchor_lx, &anchor_ly);
int popup_lx, popup_ly;
wlr_xdg_popup_v6_get_toplevel_coords(wlr_popup, wlr_popup->geometry.x,
wlr_popup->geometry.y, &popup_lx, &popup_ly);
popup_lx += view->box.x;
popup_ly += view->box.y;
anchor_lx += popup_lx;
anchor_ly += popup_ly;
double dest_x = 0, dest_y = 0;
wlr_output_layout_closest_point(layout, NULL, anchor_lx, anchor_ly,
&dest_x, &dest_y);
struct wlr_output *output =
wlr_output_layout_output_at(layout, dest_x, dest_y);
if (output == NULL) {
return;
}
struct wlr_box *output_box =
wlr_output_layout_get_box(view->desktop->layout, output);
// the output box expressed in the coordinate system of the toplevel parent
// of the popup
struct wlr_box output_toplevel_sx_box = {
.x = output_box->x - view->box.x,
.y = output_box->y - view->box.y,
.width = output_box->width,
.height = output_box->height,
};
wlr_xdg_popup_v6_unconstrain_from_box(popup->wlr_popup, &output_toplevel_sx_box);
}
static struct roots_xdg_popup_v6 *popup_create(struct roots_view *view,
struct wlr_xdg_popup_v6 *wlr_popup) {
struct roots_xdg_popup_v6 *popup =
calloc(1, sizeof(struct roots_xdg_popup_v6));
if (popup == NULL) {
return NULL;
}
popup->wlr_popup = wlr_popup;
view_child_init(&popup->view_child, &popup_impl,
view, wlr_popup->base->surface);
popup->destroy.notify = popup_handle_destroy;
wl_signal_add(&wlr_popup->base->events.destroy, &popup->destroy);
popup->map.notify = popup_handle_map;
wl_signal_add(&wlr_popup->base->events.map, &popup->map);
popup->unmap.notify = popup_handle_unmap;
wl_signal_add(&wlr_popup->base->events.unmap, &popup->unmap);
popup->new_popup.notify = popup_handle_new_popup;
wl_signal_add(&wlr_popup->base->events.new_popup, &popup->new_popup);
popup_unconstrain(popup);
return popup;
}
static void get_size(struct roots_view *view, struct wlr_box *box) {
struct wlr_xdg_surface_v6 *surface =
roots_xdg_surface_v6_from_view(view)->xdg_surface_v6;
struct wlr_box geo_box;
wlr_xdg_surface_v6_get_geometry(surface, &geo_box);
box->width = geo_box.width;
box->height = geo_box.height;
}
static void activate(struct roots_view *view, bool active) {
struct wlr_xdg_surface_v6 *surface =
roots_xdg_surface_v6_from_view(view)->xdg_surface_v6;
if (surface->role == WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
wlr_xdg_toplevel_v6_set_activated(surface, active);
}
}
static void apply_size_constraints(struct wlr_xdg_surface_v6 *surface,
uint32_t width, uint32_t height, uint32_t *dest_width,
uint32_t *dest_height) {
*dest_width = width;
*dest_height = height;
struct wlr_xdg_toplevel_v6_state *state = &surface->toplevel->current;
if (width < state->min_width) {
*dest_width = state->min_width;
} else if (state->max_width > 0 &&
width > state->max_width) {
*dest_width = state->max_width;
}
if (height < state->min_height) {
*dest_height = state->min_height;
} else if (state->max_height > 0 &&
height > state->max_height) {
*dest_height = state->max_height;
}
}
static void resize(struct roots_view *view, uint32_t width, uint32_t height) {
struct wlr_xdg_surface_v6 *surface =
roots_xdg_surface_v6_from_view(view)->xdg_surface_v6;
if (surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
return;
}
uint32_t constrained_width, constrained_height;
apply_size_constraints(surface, width, height, &constrained_width,
&constrained_height);
wlr_xdg_toplevel_v6_set_size(surface, constrained_width,
constrained_height);
}
static void move_resize(struct roots_view *view, double x, double y,
uint32_t width, uint32_t height) {
struct roots_xdg_surface_v6 *roots_surface =
roots_xdg_surface_v6_from_view(view);
struct wlr_xdg_surface_v6 *surface = roots_surface->xdg_surface_v6;
if (surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
return;
}
bool update_x = x != view->box.x;
bool update_y = y != view->box.y;
uint32_t constrained_width, constrained_height;
apply_size_constraints(surface, width, height, &constrained_width,
&constrained_height);
if (update_x) {
x = x + width - constrained_width;
}
if (update_y) {
y = y + height - constrained_height;
}
view->pending_move_resize.update_x = update_x;
view->pending_move_resize.update_y = update_y;
view->pending_move_resize.x = x;
view->pending_move_resize.y = y;
view->pending_move_resize.width = constrained_width;
view->pending_move_resize.height = constrained_height;
uint32_t serial = wlr_xdg_toplevel_v6_set_size(surface, constrained_width,
constrained_height);
if (serial > 0) {
roots_surface->pending_move_resize_configure_serial = serial;
} else if (roots_surface->pending_move_resize_configure_serial == 0) {
view_update_position(view, x, y);
}
}
static void maximize(struct roots_view *view, bool maximized) {
struct wlr_xdg_surface_v6 *surface =
roots_xdg_surface_v6_from_view(view)->xdg_surface_v6;
if (surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
return;
}
wlr_xdg_toplevel_v6_set_maximized(surface, maximized);
}
static void set_fullscreen(struct roots_view *view, bool fullscreen) {
struct wlr_xdg_surface_v6 *surface =
roots_xdg_surface_v6_from_view(view)->xdg_surface_v6;
if (surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
return;
}
wlr_xdg_toplevel_v6_set_fullscreen(surface, fullscreen);
}
static void close(struct roots_view *view) {
struct wlr_xdg_surface_v6 *surface =
roots_xdg_surface_v6_from_view(view)->xdg_surface_v6;
struct wlr_xdg_popup_v6 *popup = NULL;
wl_list_for_each(popup, &surface->popups, link) {
wlr_xdg_surface_v6_send_close(popup->base);
}
wlr_xdg_surface_v6_send_close(surface);
}
static void for_each_surface(struct roots_view *view,
wlr_surface_iterator_func_t iterator, void *user_data) {
struct wlr_xdg_surface_v6 *surface =
roots_xdg_surface_v6_from_view(view)->xdg_surface_v6;
wlr_xdg_surface_v6_for_each_surface(surface, iterator, user_data);
}
static void destroy(struct roots_view *view) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
roots_xdg_surface_v6_from_view(view);
wl_list_remove(&roots_xdg_surface->surface_commit.link);
wl_list_remove(&roots_xdg_surface->destroy.link);
wl_list_remove(&roots_xdg_surface->new_popup.link);
wl_list_remove(&roots_xdg_surface->map.link);
wl_list_remove(&roots_xdg_surface->unmap.link);
wl_list_remove(&roots_xdg_surface->request_move.link);
wl_list_remove(&roots_xdg_surface->request_resize.link);
wl_list_remove(&roots_xdg_surface->request_maximize.link);
wl_list_remove(&roots_xdg_surface->request_fullscreen.link);
wl_list_remove(&roots_xdg_surface->set_title.link);
wl_list_remove(&roots_xdg_surface->set_app_id.link);
free(roots_xdg_surface);
}
static const struct roots_view_interface view_impl = {
.activate = activate,
.resize = resize,
.move_resize = move_resize,
.maximize = maximize,
.set_fullscreen = set_fullscreen,
.close = close,
.for_each_surface = for_each_surface,
.destroy = destroy,
};
static void handle_request_move(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, request_move);
struct roots_view *view = &roots_xdg_surface->view;
struct roots_input *input = view->desktop->server->input;
struct wlr_xdg_toplevel_v6_move_event *e = data;
struct roots_seat *seat = input_seat_from_wlr_seat(input, e->seat->seat);
// TODO verify event serial
if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
return;
}
roots_seat_begin_move(seat, view);
}
static void handle_request_resize(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, request_resize);
struct roots_view *view = &roots_xdg_surface->view;
struct roots_input *input = view->desktop->server->input;
struct wlr_xdg_toplevel_v6_resize_event *e = data;
// TODO verify event serial
struct roots_seat *seat = input_seat_from_wlr_seat(input, e->seat->seat);
assert(seat);
if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
return;
}
roots_seat_begin_resize(seat, view, e->edges);
}
static void handle_request_maximize(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, request_maximize);
struct roots_view *view = &roots_xdg_surface->view;
struct wlr_xdg_surface_v6 *surface = roots_xdg_surface->xdg_surface_v6;
if (surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
return;
}
view_maximize(view, surface->toplevel->client_pending.maximized);
}
static void handle_request_fullscreen(struct wl_listener *listener,
void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, request_fullscreen);
struct roots_view *view = &roots_xdg_surface->view;
struct wlr_xdg_surface_v6 *surface = roots_xdg_surface->xdg_surface_v6;
struct wlr_xdg_toplevel_v6_set_fullscreen_event *e = data;
if (surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
return;
}
view_set_fullscreen(view, e->fullscreen, e->output);
}
static void handle_set_title(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, set_title);
view_set_title(&roots_xdg_surface->view,
roots_xdg_surface->xdg_surface_v6->toplevel->title);
}
static void handle_set_app_id(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, set_app_id);
view_set_app_id(&roots_xdg_surface->view,
roots_xdg_surface->xdg_surface_v6->toplevel->app_id);
}
static void handle_surface_commit(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_surface =
wl_container_of(listener, roots_surface, surface_commit);
struct roots_view *view = &roots_surface->view;
struct wlr_xdg_surface_v6 *surface = roots_surface->xdg_surface_v6;
if (!surface->mapped) {
return;
}
view_apply_damage(view);
struct wlr_box size;
get_size(view, &size);
view_update_size(view, size.width, size.height);
uint32_t pending_serial =
roots_surface->pending_move_resize_configure_serial;
if (pending_serial > 0 && pending_serial >= surface->configure_serial) {
double x = view->box.x;
double y = view->box.y;
if (view->pending_move_resize.update_x) {
x = view->pending_move_resize.x + view->pending_move_resize.width -
size.width;
}
if (view->pending_move_resize.update_y) {
y = view->pending_move_resize.y + view->pending_move_resize.height -
size.height;
}
view_update_position(view, x, y);
if (pending_serial == surface->configure_serial) {
roots_surface->pending_move_resize_configure_serial = 0;
}
}
}
static void handle_new_popup(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, new_popup);
struct wlr_xdg_popup_v6 *wlr_popup = data;
popup_create(&roots_xdg_surface->view, wlr_popup);
}
static void handle_map(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, map);
struct roots_view *view = &roots_xdg_surface->view;
struct wlr_box box;
get_size(view, &box);
view->box.width = box.width;
view->box.height = box.height;
view_map(view, roots_xdg_surface->xdg_surface_v6->surface);
view_setup(view);
wlr_foreign_toplevel_handle_v1_set_title(view->toplevel_handle,
roots_xdg_surface->xdg_surface_v6->toplevel->title ?: "none");
wlr_foreign_toplevel_handle_v1_set_app_id(view->toplevel_handle,
roots_xdg_surface->xdg_surface_v6->toplevel->app_id ?: "none");
}
static void handle_unmap(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, unmap);
view_unmap(&roots_xdg_surface->view);
}
static void handle_destroy(struct wl_listener *listener, void *data) {
struct roots_xdg_surface_v6 *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, destroy);
view_destroy(&roots_xdg_surface->view);
}
void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
struct wlr_xdg_surface_v6 *surface = data;
assert(surface->role != WLR_XDG_SURFACE_V6_ROLE_NONE);
if (surface->role == WLR_XDG_SURFACE_V6_ROLE_POPUP) {
wlr_log(WLR_DEBUG, "new xdg popup");
return;
}
struct roots_desktop *desktop =
wl_container_of(listener, desktop, xdg_shell_v6_surface);
wlr_log(WLR_DEBUG, "new xdg toplevel: title=%s, app_id=%s",
surface->toplevel->title, surface->toplevel->app_id);
wlr_xdg_surface_v6_ping(surface);
struct roots_xdg_surface_v6 *roots_surface =
calloc(1, sizeof(struct roots_xdg_surface_v6));
if (!roots_surface) {
return;
}
view_init(&roots_surface->view, &view_impl, ROOTS_XDG_SHELL_V6_VIEW, desktop);
roots_surface->xdg_surface_v6 = surface;
view_maximize(&roots_surface->view, surface->toplevel->client_pending.maximized);
view_set_fullscreen(&roots_surface->view, surface->toplevel->client_pending.fullscreen,
surface->toplevel->client_pending.fullscreen_output);
roots_surface->surface_commit.notify = handle_surface_commit;
wl_signal_add(&surface->surface->events.commit,
&roots_surface->surface_commit);
roots_surface->destroy.notify = handle_destroy;
wl_signal_add(&surface->events.destroy, &roots_surface->destroy);
roots_surface->map.notify = handle_map;
wl_signal_add(&surface->events.map, &roots_surface->map);
roots_surface->unmap.notify = handle_unmap;
wl_signal_add(&surface->events.unmap, &roots_surface->unmap);
roots_surface->request_move.notify = handle_request_move;
wl_signal_add(&surface->toplevel->events.request_move,
&roots_surface->request_move);
roots_surface->request_resize.notify = handle_request_resize;
wl_signal_add(&surface->toplevel->events.request_resize,
&roots_surface->request_resize);
roots_surface->request_maximize.notify = handle_request_maximize;
wl_signal_add(&surface->toplevel->events.request_maximize,
&roots_surface->request_maximize);
roots_surface->request_fullscreen.notify = handle_request_fullscreen;
wl_signal_add(&surface->toplevel->events.request_fullscreen,
&roots_surface->request_fullscreen);
roots_surface->set_title.notify = handle_set_title;
wl_signal_add(&surface->toplevel->events.set_title,
&roots_surface->set_title);
roots_surface->set_app_id.notify = handle_set_app_id;
wl_signal_add(&surface->toplevel->events.set_app_id,
&roots_surface->set_app_id);
roots_surface->new_popup.notify = handle_new_popup;
wl_signal_add(&surface->events.new_popup, &roots_surface->new_popup);
}
struct roots_xdg_surface_v6 *roots_xdg_surface_v6_from_view(
struct roots_view *view) {
assert(view->impl == &view_impl);
return (struct roots_xdg_surface_v6 *)view;
}

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#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include <wayland-server-core.h>
#include <wlr/config.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/util/log.h>
#include <wlr/xwayland.h>
#include "rootston/server.h"
static void activate(struct roots_view *view, bool active) {
struct wlr_xwayland_surface *xwayland_surface =
roots_xwayland_surface_from_view(view)->xwayland_surface;
wlr_xwayland_surface_activate(xwayland_surface, active);
}
static void move(struct roots_view *view, double x, double y) {
struct wlr_xwayland_surface *xwayland_surface =
roots_xwayland_surface_from_view(view)->xwayland_surface;
view_update_position(view, x, y);
wlr_xwayland_surface_configure(xwayland_surface, x, y,
xwayland_surface->width, xwayland_surface->height);
}
static void apply_size_constraints(
struct wlr_xwayland_surface *xwayland_surface, uint32_t width,
uint32_t height, uint32_t *dest_width, uint32_t *dest_height) {
*dest_width = width;
*dest_height = height;
struct wlr_xwayland_surface_size_hints *size_hints =
xwayland_surface->size_hints;
if (size_hints != NULL) {
if (width < (uint32_t)size_hints->min_width) {
*dest_width = size_hints->min_width;
} else if (size_hints->max_width > 0 &&
width > (uint32_t)size_hints->max_width) {
*dest_width = size_hints->max_width;
}
if (height < (uint32_t)size_hints->min_height) {
*dest_height = size_hints->min_height;
} else if (size_hints->max_height > 0 &&
height > (uint32_t)size_hints->max_height) {
*dest_height = size_hints->max_height;
}
}
}
static void resize(struct roots_view *view, uint32_t width, uint32_t height) {
struct wlr_xwayland_surface *xwayland_surface =
roots_xwayland_surface_from_view(view)->xwayland_surface;
uint32_t constrained_width, constrained_height;
apply_size_constraints(xwayland_surface, width, height, &constrained_width,
&constrained_height);
wlr_xwayland_surface_configure(xwayland_surface, xwayland_surface->x,
xwayland_surface->y, constrained_width, constrained_height);
}
static void move_resize(struct roots_view *view, double x, double y,
uint32_t width, uint32_t height) {
struct wlr_xwayland_surface *xwayland_surface =
roots_xwayland_surface_from_view(view)->xwayland_surface;
bool update_x = x != view->box.x;
bool update_y = y != view->box.y;
uint32_t constrained_width, constrained_height;
apply_size_constraints(xwayland_surface, width, height, &constrained_width,
&constrained_height);
if (update_x) {
x = x + width - constrained_width;
}
if (update_y) {
y = y + height - constrained_height;
}
view->pending_move_resize.update_x = update_x;
view->pending_move_resize.update_y = update_y;
view->pending_move_resize.x = x;
view->pending_move_resize.y = y;
view->pending_move_resize.width = constrained_width;
view->pending_move_resize.height = constrained_height;
wlr_xwayland_surface_configure(xwayland_surface, x, y, constrained_width,
constrained_height);
}
static void close(struct roots_view *view) {
struct wlr_xwayland_surface *xwayland_surface =
roots_xwayland_surface_from_view(view)->xwayland_surface;
wlr_xwayland_surface_close(xwayland_surface);
}
static void maximize(struct roots_view *view, bool maximized) {
struct wlr_xwayland_surface *xwayland_surface =
roots_xwayland_surface_from_view(view)->xwayland_surface;
wlr_xwayland_surface_set_maximized(xwayland_surface, maximized);
}
static void set_fullscreen(struct roots_view *view, bool fullscreen) {
struct wlr_xwayland_surface *xwayland_surface =
roots_xwayland_surface_from_view(view)->xwayland_surface;
wlr_xwayland_surface_set_fullscreen(xwayland_surface, fullscreen);
}
static void destroy(struct roots_view *view) {
struct roots_xwayland_surface *roots_surface =
roots_xwayland_surface_from_view(view);
wl_list_remove(&roots_surface->destroy.link);
wl_list_remove(&roots_surface->request_configure.link);
wl_list_remove(&roots_surface->request_move.link);
wl_list_remove(&roots_surface->request_resize.link);
wl_list_remove(&roots_surface->request_maximize.link);
wl_list_remove(&roots_surface->set_title.link);
wl_list_remove(&roots_surface->set_class.link);
wl_list_remove(&roots_surface->map.link);
wl_list_remove(&roots_surface->unmap.link);
free(roots_surface);
}
static const struct roots_view_interface view_impl = {
.activate = activate,
.resize = resize,
.move = move,
.move_resize = move_resize,
.maximize = maximize,
.set_fullscreen = set_fullscreen,
.close = close,
.destroy = destroy,
};
static void handle_destroy(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, destroy);
view_destroy(&roots_surface->view);
}
static void handle_request_configure(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, request_configure);
struct wlr_xwayland_surface *xwayland_surface =
roots_surface->xwayland_surface;
struct wlr_xwayland_surface_configure_event *event = data;
view_update_position(&roots_surface->view, event->x, event->y);
wlr_xwayland_surface_configure(xwayland_surface, event->x, event->y,
event->width, event->height);
}
static struct roots_seat *guess_seat_for_view(struct roots_view *view) {
// the best we can do is to pick the first seat that has the surface focused
// for the pointer
struct roots_input *input = view->desktop->server->input;
struct roots_seat *seat;
wl_list_for_each(seat, &input->seats, link) {
if (seat->seat->pointer_state.focused_surface == view->wlr_surface) {
return seat;
}
}
return NULL;
}
static void handle_request_move(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, request_move);
struct roots_view *view = &roots_surface->view;
struct roots_seat *seat = guess_seat_for_view(view);
if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
return;
}
roots_seat_begin_move(seat, view);
}
static void handle_request_resize(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, request_resize);
struct roots_view *view = &roots_surface->view;
struct roots_seat *seat = guess_seat_for_view(view);
struct wlr_xwayland_resize_event *e = data;
if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
return;
}
roots_seat_begin_resize(seat, view, e->edges);
}
static void handle_request_maximize(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, request_maximize);
struct roots_view *view = &roots_surface->view;
struct wlr_xwayland_surface *xwayland_surface =
roots_surface->xwayland_surface;
bool maximized = xwayland_surface->maximized_vert &&
xwayland_surface->maximized_horz;
view_maximize(view, maximized);
}
static void handle_request_fullscreen(struct wl_listener *listener,
void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, request_fullscreen);
struct roots_view *view = &roots_surface->view;
struct wlr_xwayland_surface *xwayland_surface =
roots_surface->xwayland_surface;
view_set_fullscreen(view, xwayland_surface->fullscreen, NULL);
}
static void handle_set_title(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, set_title);
view_set_title(&roots_surface->view,
roots_surface->xwayland_surface->title);
}
static void handle_set_class(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, set_class);
view_set_app_id(&roots_surface->view,
roots_surface->xwayland_surface->class);
}
static void handle_surface_commit(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, surface_commit);
struct roots_view *view = &roots_surface->view;
struct wlr_surface *wlr_surface = view->wlr_surface;
view_apply_damage(view);
int width = wlr_surface->current.width;
int height = wlr_surface->current.height;
view_update_size(view, width, height);
double x = view->box.x;
double y = view->box.y;
if (view->pending_move_resize.update_x) {
x = view->pending_move_resize.x + view->pending_move_resize.width -
width;
view->pending_move_resize.update_x = false;
}
if (view->pending_move_resize.update_y) {
y = view->pending_move_resize.y + view->pending_move_resize.height -
height;
view->pending_move_resize.update_y = false;
}
view_update_position(view, x, y);
}
static void handle_map(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, map);
struct wlr_xwayland_surface *surface = data;
struct roots_view *view = &roots_surface->view;
view->box.x = surface->x;
view->box.y = surface->y;
view->box.width = surface->surface->current.width;
view->box.height = surface->surface->current.height;
roots_surface->surface_commit.notify = handle_surface_commit;
wl_signal_add(&surface->surface->events.commit,
&roots_surface->surface_commit);
view_map(view, surface->surface);
if (!surface->override_redirect) {
if (surface->decorations == WLR_XWAYLAND_SURFACE_DECORATIONS_ALL) {
view->decorated = true;
view->border_width = 4;
view->titlebar_height = 12;
}
view_setup(view);
wlr_foreign_toplevel_handle_v1_set_title(view->toplevel_handle,
roots_surface->xwayland_surface->title ?: "none");
wlr_foreign_toplevel_handle_v1_set_app_id(view->toplevel_handle,
roots_surface->xwayland_surface->class ?: "none");
} else {
view_initial_focus(view);
}
}
static void handle_unmap(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, unmap);
struct roots_view *view = &roots_surface->view;
wl_list_remove(&roots_surface->surface_commit.link);
view_unmap(view);
}
void handle_xwayland_surface(struct wl_listener *listener, void *data) {
struct roots_desktop *desktop =
wl_container_of(listener, desktop, xwayland_surface);
struct wlr_xwayland_surface *surface = data;
wlr_log(WLR_DEBUG, "new xwayland surface: title=%s, class=%s, instance=%s",
surface->title, surface->class, surface->instance);
wlr_xwayland_surface_ping(surface);
struct roots_xwayland_surface *roots_surface =
calloc(1, sizeof(struct roots_xwayland_surface));
if (roots_surface == NULL) {
return;
}
view_init(&roots_surface->view, &view_impl, ROOTS_XWAYLAND_VIEW, desktop);
roots_surface->view.box.x = surface->x;
roots_surface->view.box.y = surface->y;
roots_surface->xwayland_surface = surface;
roots_surface->destroy.notify = handle_destroy;
wl_signal_add(&surface->events.destroy, &roots_surface->destroy);
roots_surface->request_configure.notify = handle_request_configure;
wl_signal_add(&surface->events.request_configure,
&roots_surface->request_configure);
roots_surface->map.notify = handle_map;
wl_signal_add(&surface->events.map, &roots_surface->map);
roots_surface->unmap.notify = handle_unmap;
wl_signal_add(&surface->events.unmap, &roots_surface->unmap);
roots_surface->request_move.notify = handle_request_move;
wl_signal_add(&surface->events.request_move, &roots_surface->request_move);
roots_surface->request_resize.notify = handle_request_resize;
wl_signal_add(&surface->events.request_resize,
&roots_surface->request_resize);
roots_surface->request_maximize.notify = handle_request_maximize;
wl_signal_add(&surface->events.request_maximize,
&roots_surface->request_maximize);
roots_surface->request_fullscreen.notify = handle_request_fullscreen;
wl_signal_add(&surface->events.request_fullscreen,
&roots_surface->request_fullscreen);
roots_surface->set_title.notify = handle_set_title;
wl_signal_add(&surface->events.set_title, &roots_surface->set_title);
roots_surface->set_class.notify = handle_set_class;
wl_signal_add(&surface->events.set_class,
&roots_surface->set_class);
}
struct roots_xwayland_surface *roots_xwayland_surface_from_view(
struct roots_view *view) {
assert(view->impl == &view_impl);
return (struct roots_xwayland_surface *)view;
}
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