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Merge pull request #138 from acrisci/feature/compositor-cursor

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compositor example basic cursor and layout
master
Drew DeVault 7 years ago committed by GitHub
parent f4faa731f0 31bd8e089b
commit 94da69a064
1 changed files with 169 additions and 19 deletions
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188
examples/compositor.c
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@ -20,9 +20,12 @@
#include <wlr/types/wlr_data_device_manager.h>
#include <wlr/types/wlr_gamma_control.h>
#include "wlr/types/wlr_compositor.h"
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/xwayland.h>
#include <xkbcommon/xkbcommon.h>
#include <wlr/util/log.h>
#include "config.h"
#include "shared.h"
// TODO: move to common header?
@ -30,6 +33,7 @@ int os_create_anonymous_file(off_t size);
struct sample_state {
struct wlr_renderer *renderer;
struct compositor_state *compositor;
struct wlr_compositor *wlr_compositor;
struct wlr_wl_shell *wl_shell;
struct wlr_seat *wl_seat;
@ -42,6 +46,16 @@ struct sample_state {
int keymap_fd;
size_t keymap_size;
uint32_t serial;
struct example_config *config;
struct wlr_output_layout *layout;
struct wlr_cursor *cursor;
struct wlr_xcursor *xcursor;
struct wl_listener cursor_motion;
struct wl_listener cursor_motion_absolute;
struct wl_listener cursor_button;
struct wl_listener cursor_axis;
};
/*
@ -71,7 +85,8 @@ static void output_frame_handle_surface(struct sample_state *sample,
}
}
}
static void handle_output_frame(struct output_state *output, struct timespec *ts) {
static void handle_output_frame(struct output_state *output,
struct timespec *ts) {
struct compositor_state *state = output->compositor;
struct sample_state *sample = state->data;
struct wlr_output *wlr_output = output->output;
@ -81,23 +96,26 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
struct wlr_wl_shell_surface *wl_shell_surface;
wl_list_for_each(wl_shell_surface, &sample->wl_shell->surfaces, link) {
output_frame_handle_surface(sample, wlr_output, ts, wl_shell_surface->surface);
output_frame_handle_surface(sample, wlr_output, ts,
wl_shell_surface->surface);
}
struct wlr_xdg_surface_v6 *xdg_surface;
wl_list_for_each(xdg_surface, &sample->xdg_shell->surfaces, link) {
output_frame_handle_surface(sample, wlr_output, ts, xdg_surface->surface);
output_frame_handle_surface(sample, wlr_output, ts,
xdg_surface->surface);
}
struct wlr_x11_window *x11_window;
wl_list_for_each(x11_window, &sample->xwayland->displayable_windows, link) {
output_frame_handle_surface(sample, wlr_output, ts, x11_window->surface);
output_frame_handle_surface(sample, wlr_output, ts,
x11_window->surface);
}
wlr_renderer_end(sample->renderer);
wlr_output_swap_buffers(wlr_output);
}
static void handle_keyboard_key(struct keyboard_state *keyboard, uint32_t keycode,
xkb_keysym_t sym, enum wlr_key_state key_state) {
static void handle_keyboard_key(struct keyboard_state *keyboard,
uint32_t keycode, xkb_keysym_t sym, enum wlr_key_state key_state) {
struct compositor_state *state = keyboard->compositor;
struct sample_state *sample = state->data;
@ -115,7 +133,8 @@ static void handle_keyboard_key(struct keyboard_state *keyboard, uint32_t keycod
if (res != sample->focus && seat_handle && seat_handle->keyboard) {
struct wl_array keys;
wl_array_init(&keys);
wl_keyboard_send_enter(seat_handle->keyboard, ++sample->serial, res, &keys);
wl_keyboard_send_enter(seat_handle->keyboard, ++sample->serial, res,
&keys);
sample->focus = res;
}
@ -128,15 +147,17 @@ static void handle_keyboard_key(struct keyboard_state *keyboard, uint32_t keycod
XKB_STATE_MODS_LOCKED);
uint32_t group = xkb_state_serialize_layout(keyboard->xkb_state,
XKB_STATE_LAYOUT_EFFECTIVE);
wl_keyboard_send_modifiers(seat_handle->keyboard, ++sample->serial, depressed,
latched, locked, group);
wl_keyboard_send_key(seat_handle->keyboard, ++sample->serial, 0, keycode, key_state);
wl_keyboard_send_modifiers(seat_handle->keyboard, ++sample->serial,
depressed, latched, locked, group);
wl_keyboard_send_key(seat_handle->keyboard, ++sample->serial, 0,
keycode, key_state);
}
}
static void handle_keyboard_bound(struct wl_listener *listener, void *data) {
struct wlr_seat_handle *handle = data;
struct sample_state *state = wl_container_of(listener, state, keyboard_bound);
struct sample_state *state =
wl_container_of(listener, state, keyboard_bound);
wl_keyboard_send_keymap(handle->keyboard, WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
state->keymap_fd, state->keymap_size);
@ -146,12 +167,135 @@ static void handle_keyboard_bound(struct wl_listener *listener, void *data) {
}
}
int main() {
static void handle_cursor_motion(struct wl_listener *listener, void *data) {
struct sample_state *sample =
wl_container_of(listener, sample, cursor_motion);
struct wlr_event_pointer_motion *event = data;
wlr_cursor_move(sample->cursor, event->device, event->delta_x,
event->delta_y);
}
static void handle_cursor_motion_absolute(struct wl_listener *listener,
void *data) {
struct sample_state *sample =
wl_container_of(listener, sample, cursor_motion_absolute);
struct wlr_event_pointer_motion_absolute *event = data;
wlr_cursor_warp_absolute(sample->cursor, event->device, event->x_mm,
event->y_mm);
}
static void handle_cursor_axis(struct wl_listener *listener, void *data) {
//struct sample_state *sample =
//wl_container_of(listener, sample, cursor_axis);
//struct wlr_event_pointer_axis *event = data;
wlr_log(L_DEBUG, "TODO: handle cursor axis");
}
static void handle_cursor_button(struct wl_listener *listener, void *data) {
//struct sample_state *sample =
//wl_container_of(listener, sample, cursor_button);
//struct wlr_event_pointer_button *event = data;
wlr_log(L_DEBUG, "TODO: handle cursor button");
}
static void handle_input_add(struct compositor_state *state,
struct wlr_input_device *device) {
struct sample_state *sample = state->data;
if (device->type == WLR_INPUT_DEVICE_POINTER ||
device->type == WLR_INPUT_DEVICE_TOUCH ||
device->type == WLR_INPUT_DEVICE_TABLET_TOOL) {
wlr_cursor_attach_input_device(sample->cursor, device);
example_config_configure_cursor(sample->config, sample->cursor,
sample->compositor);
}
}
static void handle_output_add(struct output_state *ostate) {
struct sample_state *sample = ostate->compositor->data;
struct wlr_output *wlr_output = ostate->output;
struct wlr_xcursor_image *image = sample->xcursor->images[0];
struct output_config *o_config =
example_config_get_output(sample->config, ostate->output);
if (o_config) {
wlr_output_transform(ostate->output, o_config->transform);
wlr_output_layout_add(sample->layout, ostate->output, o_config->x,
o_config->y);
} else {
wlr_output_layout_add_auto(sample->layout, ostate->output);
}
example_config_configure_cursor(sample->config, sample->cursor,
sample->compositor);
// TODO the cursor must be set depending on which surface it is displayed
// over which should happen in the compositor.
if (!wlr_output_set_cursor(wlr_output, image->buffer,
image->width, image->width, image->height)) {
wlr_log(L_DEBUG, "Failed to set hardware cursor");
return;
}
wlr_cursor_warp(sample->cursor, NULL, sample->cursor->x, sample->cursor->y);
}
static void handle_output_remove(struct output_state *ostate) {
struct sample_state *sample = ostate->compositor->data;
wlr_output_layout_remove(sample->layout, ostate->output);
example_config_configure_cursor(sample->config, sample->cursor,
sample->compositor);
}
int main(int argc, char *argv[]) {
struct sample_state state = { 0 };
struct compositor_state compositor = { 0,
.data = &state,
.output_frame_cb = handle_output_frame,
};
compositor.input_add_cb = handle_input_add;
compositor.output_add_cb = handle_output_add;
compositor.output_remove_cb = handle_output_remove;
state.compositor = &compositor;
state.config = parse_args(argc, argv);
state.cursor = wlr_cursor_create();
state.layout = wlr_output_layout_create();
wlr_cursor_attach_output_layout(state.cursor, state.layout);
wlr_cursor_map_to_region(state.cursor, state.config->cursor.mapped_box);
struct wlr_xcursor_theme *theme = wlr_xcursor_theme_load("default", 16);
if (!theme) {
wlr_log(L_ERROR, "Failed to load cursor theme");
return 1;
}
state.xcursor = wlr_xcursor_theme_get_cursor(theme, "left_ptr");
if (!state.xcursor) {
wlr_log(L_ERROR, "Failed to load left_ptr cursor");
return 1;
}
wlr_cursor_set_xcursor(state.cursor, state.xcursor);
// pointer events
wl_signal_add(&state.cursor->events.motion, &state.cursor_motion);
state.cursor_motion.notify = handle_cursor_motion;
wl_signal_add(&state.cursor->events.motion_absolute,
&state.cursor_motion_absolute);
state.cursor_motion_absolute.notify = handle_cursor_motion_absolute;
wl_signal_add(&state.cursor->events.button, &state.cursor_button);
state.cursor_button.notify = handle_cursor_button;
wl_signal_add(&state.cursor->events.axis, &state.cursor_axis);
state.cursor_axis.notify = handle_cursor_axis;
compositor_init(&compositor);
state.renderer = wlr_gles2_renderer_create(compositor.backend);
@ -160,11 +304,16 @@ int main() {
exit(EXIT_FAILURE);
}
wl_display_init_shm(compositor.display);
state.wlr_compositor = wlr_compositor_create(compositor.display, state.renderer);
state.wlr_compositor =
wlr_compositor_create(compositor.display, state.renderer);
state.wl_shell = wlr_wl_shell_create(compositor.display);
state.xdg_shell = wlr_xdg_shell_v6_create(compositor.display);
state.data_device_manager = wlr_data_device_manager_create(compositor.display);
state.gamma_control_manager = wlr_gamma_control_manager_create(compositor.display);
state.data_device_manager =
wlr_data_device_manager_create(compositor.display);
state.gamma_control_manager =
wlr_gamma_control_manager_create(compositor.display);
state.wl_seat = wlr_seat_create(compositor.display, "seat0");
state.keyboard_bound.notify = handle_keyboard_bound;
@ -178,14 +327,15 @@ int main() {
XKB_KEYMAP_FORMAT_TEXT_V1);
state.keymap_size = strlen(keymap);
state.keymap_fd = os_create_anonymous_file(state.keymap_size);
void *ptr = mmap(NULL, state.keymap_size,
PROT_READ | PROT_WRITE,
MAP_SHARED, state.keymap_fd, 0);
void *ptr =
mmap(NULL, state.keymap_size, PROT_READ | PROT_WRITE, MAP_SHARED,
state.keymap_fd, 0);
strcpy(ptr, keymap);
free(keymap);
break;
}
state.xwayland = wlr_xwayland_create(compositor.display, state.wlr_compositor);
state.xwayland = wlr_xwayland_create(compositor.display,
state.wlr_compositor);
compositor.keyboard_key_cb = handle_keyboard_key;

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