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#define _POSIX_C_SOURCE 200809L
#include <stdlib.h>
#include <strings.h>
#include <wayland-server-core.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_buffer.h>
#include <wlr/types/wlr_ext_foreign_toplevel_list_v1.h>
#include <wlr/types/wlr_foreign_toplevel_management_v1.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_server_decoration.h>
#include <wlr/types/wlr_subcompositor.h>
#include <wlr/types/wlr_xdg_decoration_v1.h>
#include "config.h"
#if HAVE_XWAYLAND
#include <wlr/xwayland.h>
#endif
#include "list.h"
#include "log.h"
#include "sway/criteria.h"
#include "sway/commands.h"
#include "sway/desktop/transaction.h"
#include "sway/desktop/idle_inhibit_v1.h"
#include "sway/desktop/launcher.h"
#include "sway/input/cursor.h"
#include "sway/ipc-server.h"
#include "sway/output.h"
#include "sway/input/seat.h"
#include "sway/scene_descriptor.h"
#include "sway/server.h"
#include "sway/sway_text_node.h"
#include "sway/tree/arrange.h"
#include "sway/tree/container.h"
#include "sway/tree/view.h"
#include "sway/tree/workspace.h"
#include "sway/config.h"
#include "sway/xdg_decoration.h"
#include "pango.h"
#include "stringop.h"
bool view_init(struct sway_view *view, enum sway_view_type type,
const struct sway_view_impl *impl) {
bool failed = false;
view->scene_tree = alloc_scene_tree(root->staging, &failed);
view->content_tree = alloc_scene_tree(view->scene_tree, &failed);
if (!failed && !scene_descriptor_assign(&view->scene_tree->node,
SWAY_SCENE_DESC_VIEW, view)) {
failed = true;
}
if (failed) {
wlr_scene_node_destroy(&view->scene_tree->node);
return false;
}
view->type = type;
view->impl = impl;
view->executed_criteria = create_list();
view->allow_request_urgent = true;
view->shortcuts_inhibit = SHORTCUTS_INHIBIT_DEFAULT;
wl_signal_init(&view->events.unmap);
return true;
}
void view_destroy(struct sway_view *view) {
if (!sway_assert(view->surface == NULL, "Tried to free mapped view")) {
return;
}
if (!sway_assert(view->destroying,
"Tried to free view which wasn't marked as destroying")) {
return;
}
if (!sway_assert(view->container == NULL,
"Tried to free view which still has a container "
"(might have a pending transaction?)")) {
return;
}
wl_list_remove(&view->events.unmap.listener_list);
list_free(view->executed_criteria);
view_assign_ctx(view, NULL);
wlr_scene_node_destroy(&view->scene_tree->node);
free(view->title_format);
if (view->impl->destroy) {
view->impl->destroy(view);
} else {
free(view);
}
}
void view_begin_destroy(struct sway_view *view) {
if (!sway_assert(view->surface == NULL, "Tried to destroy a mapped view")) {
return;
}
view->destroying = true;
if (!view->container) {
view_destroy(view);
}
}
const char *view_get_title(struct sway_view *view) {
if (view->impl->get_string_prop) {
return view->impl->get_string_prop(view, VIEW_PROP_TITLE);
}
return NULL;
}
const char *view_get_app_id(struct sway_view *view) {
if (view->impl->get_string_prop) {
return view->impl->get_string_prop(view, VIEW_PROP_APP_ID);
}
return NULL;
}
const char *view_get_class(struct sway_view *view) {
if (view->impl->get_string_prop) {
return view->impl->get_string_prop(view, VIEW_PROP_CLASS);
}
return NULL;
}
const char *view_get_instance(struct sway_view *view) {
if (view->impl->get_string_prop) {
return view->impl->get_string_prop(view, VIEW_PROP_INSTANCE);
}
return NULL;
}
#if HAVE_XWAYLAND
uint32_t view_get_x11_window_id(struct sway_view *view) {
if (view->impl->get_int_prop) {
return view->impl->get_int_prop(view, VIEW_PROP_X11_WINDOW_ID);
}
return 0;
}
uint32_t view_get_x11_parent_id(struct sway_view *view) {
if (view->impl->get_int_prop) {
return view->impl->get_int_prop(view, VIEW_PROP_X11_PARENT_ID);
}
return 0;
}
#endif
const char *view_get_window_role(struct sway_view *view) {
if (view->impl->get_string_prop) {
return view->impl->get_string_prop(view, VIEW_PROP_WINDOW_ROLE);
}
return NULL;
}
uint32_t view_get_window_type(struct sway_view *view) {
if (view->impl->get_int_prop) {
return view->impl->get_int_prop(view, VIEW_PROP_WINDOW_TYPE);
}
return 0;
}
const char *view_get_shell(struct sway_view *view) {
switch(view->type) {
case SWAY_VIEW_XDG_SHELL:
return "xdg_shell";
#if HAVE_XWAYLAND
case SWAY_VIEW_XWAYLAND:
return "xwayland";
#endif
}
return "unknown";
}
void view_get_constraints(struct sway_view *view, double *min_width,
double *max_width, double *min_height, double *max_height) {
if (view->impl->get_constraints) {
view->impl->get_constraints(view,
min_width, max_width, min_height, max_height);
} else {
*min_width = DBL_MIN;
*max_width = DBL_MAX;
*min_height = DBL_MIN;
*max_height = DBL_MAX;
}
}
uint32_t view_configure(struct sway_view *view, double lx, double ly, int width,
int height) {
if (view->impl->configure) {
return view->impl->configure(view, lx, ly, width, height);
}
return 0;
}
bool view_inhibit_idle(struct sway_view *view) {
struct sway_idle_inhibitor_v1 *user_inhibitor =
sway_idle_inhibit_v1_user_inhibitor_for_view(view);
struct sway_idle_inhibitor_v1 *application_inhibitor =
sway_idle_inhibit_v1_application_inhibitor_for_view(view);
if (!user_inhibitor && !application_inhibitor) {
return false;
}
if (!user_inhibitor) {
return sway_idle_inhibit_v1_is_active(application_inhibitor);
}
if (!application_inhibitor) {
return sway_idle_inhibit_v1_is_active(user_inhibitor);
}
return sway_idle_inhibit_v1_is_active(user_inhibitor)
|| sway_idle_inhibit_v1_is_active(application_inhibitor);
}
bool view_ancestor_is_only_visible(struct sway_view *view) {
bool only_visible = true;
struct sway_container *con = view->container;
while (con) {
enum sway_container_layout layout = container_parent_layout(con);
if (layout != L_TABBED && layout != L_STACKED) {
list_t *siblings = container_get_siblings(con);
if (siblings && siblings->length > 1) {
only_visible = false;
}
} else {
only_visible = true;
}
con = con->pending.parent;
}
return only_visible;
}
static bool view_is_only_visible(struct sway_view *view) {
struct sway_container *con = view->container;
while (con) {
enum sway_container_layout layout = container_parent_layout(con);
if (layout != L_TABBED && layout != L_STACKED) {
list_t *siblings = container_get_siblings(con);
if (siblings && siblings->length > 1) {
return false;
}
}
con = con->pending.parent;
}
return true;
}
static bool gaps_to_edge(struct sway_view *view) {
struct side_gaps gaps = view->container->pending.workspace->current_gaps;
return gaps.top > 0 || gaps.right > 0 || gaps.bottom > 0 || gaps.left > 0;
}
void view_autoconfigure(struct sway_view *view) {
struct sway_container *con = view->container;
struct sway_workspace *ws = con->pending.workspace;
if (container_is_scratchpad_hidden(con) &&
con->pending.fullscreen_mode != FULLSCREEN_GLOBAL) {
return;
}
struct sway_output *output = ws ? ws->output : NULL;
if (con->pending.fullscreen_mode == FULLSCREEN_WORKSPACE) {
con->pending.content_x = output->lx;
con->pending.content_y = output->ly;
con->pending.content_width = output->width;
con->pending.content_height = output->height;
return;
} else if (con->pending.fullscreen_mode == FULLSCREEN_GLOBAL) {
con->pending.content_x = root->x;
con->pending.content_y = root->y;
con->pending.content_width = root->width;
con->pending.content_height = root->height;
return;
}
con->pending.border_top = con->pending.border_bottom = true;
con->pending.border_left = con->pending.border_right = true;
double y_offset = 0;
if (!container_is_floating_or_child(con) && ws) {
if (config->hide_edge_borders == E_BOTH
|| config->hide_edge_borders == E_VERTICAL) {
con->pending.border_left = con->pending.x != ws->x;
int right_x = con->pending.x + con->pending.width;
con->pending.border_right = right_x != ws->x + ws->width;
}
if (config->hide_edge_borders == E_BOTH
|| config->hide_edge_borders == E_HORIZONTAL) {
con->pending.border_top = con->pending.y != ws->y;
int bottom_y = con->pending.y + con->pending.height;
con->pending.border_bottom = bottom_y != ws->y + ws->height;
}
bool smart = config->hide_edge_borders_smart == ESMART_ON ||
(config->hide_edge_borders_smart == ESMART_NO_GAPS &&
!gaps_to_edge(view));
if (smart) {
bool show_border = !view_is_only_visible(view);
con->pending.border_left &= show_border;
con->pending.border_right &= show_border;
con->pending.border_top &= show_border;
con->pending.border_bottom &= show_border;
}
}
if (!container_is_floating(con)) {
// In a tabbed or stacked container, the container's y is the top of the
// title area. We have to offset the surface y by the height of the title,
// bar, and disable any top border because we'll always have the title bar.
list_t *siblings = container_get_siblings(con);
bool show_titlebar = (siblings && siblings->length > 1)
|| !config->hide_lone_tab;
if (show_titlebar) {
enum sway_container_layout layout = container_parent_layout(con);
if (layout == L_TABBED) {
y_offset = container_titlebar_height();
con->pending.border_top = false;
} else if (layout == L_STACKED) {
y_offset = container_titlebar_height() * siblings->length;
con->pending.border_top = false;
}
}
}
double x, y, width, height;
switch (con->pending.border) {
default:
case B_CSD:
case B_NONE:
x = con->pending.x;
y = con->pending.y + y_offset;
width = con->pending.width;
height = con->pending.height - y_offset;
break;
case B_PIXEL:
x = con->pending.x + con->pending.border_thickness * con->pending.border_left;
y = con->pending.y + con->pending.border_thickness * con->pending.border_top + y_offset;
width = con->pending.width
- con->pending.border_thickness * con->pending.border_left
- con->pending.border_thickness * con->pending.border_right;
height = con->pending.height - y_offset
- con->pending.border_thickness * con->pending.border_top
- con->pending.border_thickness * con->pending.border_bottom;
break;
case B_NORMAL:
// Height is: 1px border + 3px pad + title height + 3px pad + 1px border
x = con->pending.x + con->pending.border_thickness * con->pending.border_left;
width = con->pending.width
- con->pending.border_thickness * con->pending.border_left
- con->pending.border_thickness * con->pending.border_right;
if (y_offset) {
y = con->pending.y + y_offset;
height = con->pending.height - y_offset
- con->pending.border_thickness * con->pending.border_bottom;
} else {
y = con->pending.y + container_titlebar_height();
height = con->pending.height - container_titlebar_height()
- con->pending.border_thickness * con->pending.border_bottom;
}
break;
}
con->pending.content_x = x;
con->pending.content_y = y;
con->pending.content_width = width;
con->pending.content_height = height;
}
void view_set_activated(struct sway_view *view, bool activated) {
if (view->impl->set_activated) {
view->impl->set_activated(view, activated);
}
if (view->foreign_toplevel) {
wlr_foreign_toplevel_handle_v1_set_activated(
view->foreign_toplevel, activated);
}
}
void view_request_activate(struct sway_view *view, struct sway_seat *seat) {
struct sway_workspace *ws = view->container->pending.workspace;
if (!seat) {
seat = input_manager_current_seat();
}
switch (config->focus_on_window_activation) {
case FOWA_SMART:
if (ws && workspace_is_visible(ws)) {
seat_set_focus_container(seat, view->container);
container_raise_floating(view->container);
} else {
view_set_urgent(view, true);
}
break;
case FOWA_URGENT:
view_set_urgent(view, true);
break;
case FOWA_FOCUS:
if (container_is_scratchpad_hidden_or_child(view->container)) {
root_scratchpad_show(view->container);
} else {
seat_set_focus_container(seat, view->container);
container_raise_floating(view->container);
}
break;
case FOWA_NONE:
break;
}
transaction_commit_dirty();
}
void view_request_urgent(struct sway_view *view) {
if (config->focus_on_window_activation != FOWA_NONE) {
view_set_urgent(view, true);
}
}
void view_set_csd_from_server(struct sway_view *view, bool enabled) {
sway_log(SWAY_DEBUG, "Telling view %p to set CSD to %i", view, enabled);
if (view->xdg_decoration) {
uint32_t mode = enabled ?
WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE :
WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE;
wlr_xdg_toplevel_decoration_v1_set_mode(
view->xdg_decoration->wlr_xdg_decoration, mode);
}
view->using_csd = enabled;
}
void view_update_csd_from_client(struct sway_view *view, bool enabled) {
sway_log(SWAY_DEBUG, "View %p updated CSD to %i", view, enabled);
struct sway_container *con = view->container;
if (enabled && con && con->pending.border != B_CSD) {
con->saved_border = con->pending.border;
if (container_is_floating(con)) {
con->pending.border = B_CSD;
}
} else if (!enabled && con && con->pending.border == B_CSD) {
con->pending.border = con->saved_border;
}
view->using_csd = enabled;
}
void view_set_tiled(struct sway_view *view, bool tiled) {
if (view->impl->set_tiled) {
view->impl->set_tiled(view, tiled);
}
}
void view_close(struct sway_view *view) {
if (view->impl->close) {
view->impl->close(view);
}
}
void view_close_popups(struct sway_view *view) {
if (view->impl->close_popups) {
view->impl->close_popups(view);
}
}
static bool view_has_executed_criteria(struct sway_view *view,
struct criteria *criteria) {
for (int i = 0; i < view->executed_criteria->length; ++i) {
struct criteria *item = view->executed_criteria->items[i];
if (item == criteria) {
return true;
}
}
return false;
}
void view_execute_criteria(struct sway_view *view) {
list_t *criterias = criteria_for_view(view, CT_COMMAND);
for (int i = 0; i < criterias->length; i++) {
struct criteria *criteria = criterias->items[i];
sway_log(SWAY_DEBUG, "Checking criteria %s", criteria->raw);
if (view_has_executed_criteria(view, criteria)) {
sway_log(SWAY_DEBUG, "Criteria already executed");
continue;
}
sway_log(SWAY_DEBUG, "for_window '%s' matches view %p, cmd: '%s'",
criteria->raw, view, criteria->cmdlist);
list_add(view->executed_criteria, criteria);
list_t *res_list = execute_command(
criteria->cmdlist, NULL, view->container);
while (res_list->length) {
struct cmd_results *res = res_list->items[0];
free_cmd_results(res);
list_del(res_list, 0);
}
list_free(res_list);
}
list_free(criterias);
}
static void view_populate_pid(struct sway_view *view) {
pid_t pid;
switch (view->type) {
#if HAVE_XWAYLAND
case SWAY_VIEW_XWAYLAND:;
struct wlr_xwayland_surface *surf =
wlr_xwayland_surface_try_from_wlr_surface(view->surface);
pid = surf->pid;
break;
#endif
case SWAY_VIEW_XDG_SHELL:;
struct wl_client *client =
wl_resource_get_client(view->surface->resource);
wl_client_get_credentials(client, &pid, NULL, NULL);
break;
}
view->pid = pid;
}
void view_assign_ctx(struct sway_view *view, struct launcher_ctx *ctx) {
if (view->ctx) {
// This ctx has been replaced
launcher_ctx_destroy(view->ctx);
view->ctx = NULL;
}
if (ctx == NULL) {
return;
}
launcher_ctx_consume(ctx);
view->ctx = ctx;
}
static struct sway_workspace *select_workspace(struct sway_view *view) {
struct sway_seat *seat = input_manager_current_seat();
// Check if there's any `assign` criteria for the view
list_t *criterias = criteria_for_view(view,
CT_ASSIGN_WORKSPACE | CT_ASSIGN_WORKSPACE_NUMBER | CT_ASSIGN_OUTPUT);
struct sway_workspace *ws = NULL;
for (int i = 0; i < criterias->length; ++i) {
struct criteria *criteria = criterias->items[i];
if (criteria->type == CT_ASSIGN_OUTPUT) {
struct sway_output *output = output_by_name_or_id(criteria->target);
if (output) {
ws = output_get_active_workspace(output);
break;
}
} else {
// CT_ASSIGN_WORKSPACE(_NUMBER)
ws = criteria->type == CT_ASSIGN_WORKSPACE_NUMBER ?
workspace_by_number(criteria->target) :
workspace_by_name(criteria->target);
if (!ws) {
if (strcasecmp(criteria->target, "back_and_forth") == 0) {
if (seat->prev_workspace_name) {
ws = workspace_create(NULL, seat->prev_workspace_name);
}
} else {
ws = workspace_create(NULL, criteria->target);
}
}
break;
}
}
list_free(criterias);
if (ws) {
view_assign_ctx(view, NULL);
return ws;
}
// Check if there's a PID mapping
ws = view->ctx ? launcher_ctx_get_workspace(view->ctx) : NULL;
if (ws) {
view_assign_ctx(view, NULL);
return ws;
}
// Use the focused workspace
struct sway_node *node = seat_get_focus_inactive(seat, &root->node);
if (node && node->type == N_WORKSPACE) {
return node->sway_workspace;
} else if (node && node->type == N_CONTAINER) {
return node->sway_container->pending.workspace;
}
// When there's no outputs connected, the above should match a workspace on
// the noop output.
sway_assert(false, "Expected to find a workspace");
return NULL;
}
static void update_ext_foreign_toplevel(struct sway_view *view) {
struct wlr_ext_foreign_toplevel_handle_v1_state toplevel_state = {
.app_id = view_get_app_id(view),
.title = view_get_title(view),
};
wlr_ext_foreign_toplevel_handle_v1_update_state(view->ext_foreign_toplevel, &toplevel_state);
}
static bool should_focus(struct sway_view *view) {
struct sway_seat *seat = input_manager_current_seat();
struct sway_container *prev_con = seat_get_focused_container(seat);
struct sway_workspace *prev_ws = seat_get_focused_workspace(seat);
struct sway_workspace *map_ws = view->container->pending.workspace;
if (view->container->pending.fullscreen_mode == FULLSCREEN_GLOBAL) {
return true;
}
// View opened "under" fullscreen view should not be given focus.
if (root->fullscreen_global || !map_ws || map_ws->fullscreen) {
return false;
}
// Views can only take focus if they are mapped into the active workspace
if (prev_ws != map_ws) {
return false;
}
// If the view is the only one in the focused workspace, it'll get focus
// regardless of any no_focus criteria.
if (!view->container->pending.parent && !prev_con) {
size_t num_children = view->container->pending.workspace->tiling->length +
view->container->pending.workspace->floating->length;
if (num_children == 1) {
return true;
}
}
// Check no_focus criteria
list_t *criterias = criteria_for_view(view, CT_NO_FOCUS);
size_t len = criterias->length;
list_free(criterias);
return len == 0;
}
static void handle_foreign_activate_request(
struct wl_listener *listener, void *data) {
struct sway_view *view = wl_container_of(
listener, view, foreign_activate_request);
struct wlr_foreign_toplevel_handle_v1_activated_event *event = data;
struct sway_seat *seat;
wl_list_for_each(seat, &server.input->seats, link) {
if (seat->wlr_seat == event->seat) {
if (container_is_scratchpad_hidden_or_child(view->container)) {
root_scratchpad_show(view->container);
}
seat_set_focus_container(seat, view->container);
seat_consider_warp_to_focus(seat);
container_raise_floating(view->container);
break;
}
}
transaction_commit_dirty();
}
static void handle_foreign_fullscreen_request(
struct wl_listener *listener, void *data) {
struct sway_view *view = wl_container_of(
listener, view, foreign_fullscreen_request);
struct wlr_foreign_toplevel_handle_v1_fullscreen_event *event = data;
// Match fullscreen command behavior for scratchpad hidden views
struct sway_container *container = view->container;
if (!container->pending.workspace) {
while (container->pending.parent) {
container = container->pending.parent;
}
}
if (event->fullscreen && event->output && event->output->data) {
struct sway_output *output = event->output->data;
struct sway_workspace *ws = output_get_active_workspace(output);
if (ws && !container_is_scratchpad_hidden(view->container)) {
if (container_is_floating(view->container)) {
workspace_add_floating(ws, view->container);
} else {
workspace_add_tiling(ws, view->container);
}
}
}
container_set_fullscreen(container,
event->fullscreen ? FULLSCREEN_WORKSPACE : FULLSCREEN_NONE);
if (event->fullscreen) {
arrange_root();
} else {
if (container->pending.parent) {
arrange_container(container->pending.parent);
} else if (container->pending.workspace) {
arrange_workspace(container->pending.workspace);
}
}
transaction_commit_dirty();
}
static void handle_foreign_close_request(
struct wl_listener *listener, void *data) {
struct sway_view *view = wl_container_of(
listener, view, foreign_close_request);
view_close(view);
}
static void handle_foreign_destroy(
struct wl_listener *listener, void *data) {
struct sway_view *view = wl_container_of(
listener, view, foreign_destroy);
wl_list_remove(&view->foreign_activate_request.link);
wl_list_remove(&view->foreign_fullscreen_request.link);
wl_list_remove(&view->foreign_close_request.link);
wl_list_remove(&view->foreign_destroy.link);
}
void view_map(struct sway_view *view, struct wlr_surface *wlr_surface,
bool fullscreen, struct wlr_output *fullscreen_output,
bool decoration) {
if (!sway_assert(view->surface == NULL, "cannot map mapped view")) {
return;
}
view->surface = wlr_surface;
view_populate_pid(view);
view->container = container_create(view);
if (view->ctx == NULL) {
struct launcher_ctx *ctx = launcher_ctx_find_pid(view->pid);
if (ctx != NULL) {
view_assign_ctx(view, ctx);
}
}
// If there is a request to be opened fullscreen on a specific output, try
// to honor that request. Otherwise, fallback to assigns, pid mappings,
// focused workspace, etc
struct sway_workspace *ws = NULL;
if (fullscreen_output && fullscreen_output->data) {
struct sway_output *output = fullscreen_output->data;
ws = output_get_active_workspace(output);
}
if (!ws) {
ws = select_workspace(view);
}
struct sway_seat *seat = input_manager_current_seat();
struct sway_node *node =
seat_get_focus_inactive(seat, ws ? &ws->node : &root->node);
struct sway_container *target_sibling = NULL;
if (node && node->type == N_CONTAINER) {
if (container_is_floating(node->sway_container)) {
// If we're about to launch the view into the floating container, then
// launch it as a tiled view instead.
if (ws) {
target_sibling = seat_get_focus_inactive_tiling(seat, ws);
if (target_sibling) {
struct sway_container *con =
seat_get_focus_inactive_view(seat, &target_sibling->node);
if (con) {
target_sibling = con;
}
}
} else {
ws = seat_get_last_known_workspace(seat);
}
} else {
target_sibling = node->sway_container;
}
}
struct wlr_ext_foreign_toplevel_handle_v1_state foreign_toplevel_state = {
.app_id = view_get_app_id(view),
.title = view_get_title(view),
};
view->ext_foreign_toplevel =
wlr_ext_foreign_toplevel_handle_v1_create(server.foreign_toplevel_list, &foreign_toplevel_state);
view->foreign_toplevel =
wlr_foreign_toplevel_handle_v1_create(server.foreign_toplevel_manager);
view->foreign_activate_request.notify = handle_foreign_activate_request;
wl_signal_add(&view->foreign_toplevel->events.request_activate,
&view->foreign_activate_request);
view->foreign_fullscreen_request.notify = handle_foreign_fullscreen_request;
wl_signal_add(&view->foreign_toplevel->events.request_fullscreen,
&view->foreign_fullscreen_request);
view->foreign_close_request.notify = handle_foreign_close_request;
wl_signal_add(&view->foreign_toplevel->events.request_close,
&view->foreign_close_request);
view->foreign_destroy.notify = handle_foreign_destroy;
wl_signal_add(&view->foreign_toplevel->events.destroy,
&view->foreign_destroy);
struct sway_container *container = view->container;
if (target_sibling) {
container_add_sibling(target_sibling, container, 1);
} else if (ws) {
container = workspace_add_tiling(ws, container);
}
ipc_event_window(view->container, "new");
if (decoration) {
view_update_csd_from_client(view, decoration);
}
if (view->impl->wants_floating && view->impl->wants_floating(view)) {
view->container->pending.border = config->floating_border;
view->container->pending.border_thickness = config->floating_border_thickness;
container_set_floating(view->container, true);
} else {
view->container->pending.border = config->border;
view->container->pending.border_thickness = config->border_thickness;
view_set_tiled(view, true);
}
if (config->popup_during_fullscreen == POPUP_LEAVE &&
container->pending.workspace &&
container->pending.workspace->fullscreen &&
container->pending.workspace->fullscreen->view) {
struct sway_container *fs = container->pending.workspace->fullscreen;
if (view_is_transient_for(view, fs->view)) {
container_set_fullscreen(fs, false);
}
}
view_update_title(view, false);
container_update_representation(container);
if (fullscreen) {
container_set_fullscreen(view->container, true);
arrange_workspace(view->container->pending.workspace);
} else {
if (container->pending.parent) {
arrange_container(container->pending.parent);
} else if (container->pending.workspace) {
arrange_workspace(container->pending.workspace);
}
}
view_execute_criteria(view);
bool set_focus = should_focus(view);
#if HAVE_XWAYLAND
struct wlr_xwayland_surface *xsurface;
if ((xsurface = wlr_xwayland_surface_try_from_wlr_surface(wlr_surface))) {
set_focus &= wlr_xwayland_icccm_input_model(xsurface) !=
WLR_ICCCM_INPUT_MODEL_NONE;
}
#endif
if (set_focus) {
input_manager_set_focus(&view->container->node);
}
if (view->ext_foreign_toplevel) {
update_ext_foreign_toplevel(view);
}
const char *app_id;
const char *class;
if ((app_id = view_get_app_id(view)) != NULL) {
wlr_foreign_toplevel_handle_v1_set_app_id(view->foreign_toplevel, app_id);
} else if ((class = view_get_class(view)) != NULL) {
wlr_foreign_toplevel_handle_v1_set_app_id(view->foreign_toplevel, class);
}
}
void view_unmap(struct sway_view *view) {
wl_signal_emit_mutable(&view->events.unmap, view);
view->executed_criteria->length = 0;
if (view->urgent_timer) {
wl_event_source_remove(view->urgent_timer);
view->urgent_timer = NULL;
}
if (view->ext_foreign_toplevel) {
wlr_ext_foreign_toplevel_handle_v1_destroy(view->ext_foreign_toplevel);
view->ext_foreign_toplevel = NULL;
}
if (view->foreign_toplevel) {
wlr_foreign_toplevel_handle_v1_destroy(view->foreign_toplevel);
view->foreign_toplevel = NULL;
}
struct sway_container *parent = view->container->pending.parent;
struct sway_workspace *ws = view->container->pending.workspace;
container_begin_destroy(view->container);
if (parent) {
container_reap_empty(parent);
} else if (ws) {
workspace_consider_destroy(ws);
}
if (root->fullscreen_global) {
// Container may have been a child of the root fullscreen container
arrange_root();
} else if (ws && !ws->node.destroying) {
arrange_workspace(ws);
workspace_detect_urgent(ws);
}
struct sway_seat *seat;
wl_list_for_each(seat, &server.input->seats, link) {
seat->cursor->image_surface = NULL;
if (seat->cursor->active_constraint) {
struct wlr_surface *constrain_surface =
seat->cursor->active_constraint->surface;
if (view_from_wlr_surface(constrain_surface) == view) {
sway_cursor_constrain(seat->cursor, NULL);
}
}
seat_consider_warp_to_focus(seat);
}
transaction_commit_dirty();
view->surface = NULL;
}
void view_update_size(struct sway_view *view) {
struct sway_container *con = view->container;
con->pending.content_width = view->geometry.width;
con->pending.content_height = view->geometry.height;
container_set_geometry_from_content(con);
}
void view_center_and_clip_surface(struct sway_view *view) {
struct sway_container *con = view->container;
if (container_is_floating(con)) {
// We always center the current coordinates rather than the next, as the
// geometry immediately affects the currently active rendering.
int x = (int) fmax(0, (con->current.content_width - view->geometry.width) / 2);
int y = (int) fmax(0, (con->current.content_height - view->geometry.height) / 2);
wlr_scene_node_set_position(&view->content_tree->node, x, y);
} else {
wlr_scene_node_set_position(&view->content_tree->node, 0, 0);
}
// only make sure to clip the content if there is content to clip
if (!wl_list_empty(&con->view->content_tree->children)) {
wlr_scene_subsurface_tree_set_clip(&con->view->content_tree->node, &(struct wlr_box){
.x = con->view->geometry.x,
.y = con->view->geometry.y,
.width = con->current.content_width,
.height = con->current.content_height,
});
}
}
struct sway_view *view_from_wlr_surface(struct wlr_surface *wlr_surface) {
struct wlr_xdg_surface *xdg_surface;
if ((xdg_surface = wlr_xdg_surface_try_from_wlr_surface(wlr_surface))) {
return view_from_wlr_xdg_surface(xdg_surface);
}
#if HAVE_XWAYLAND
struct wlr_xwayland_surface *xsurface;
if ((xsurface = wlr_xwayland_surface_try_from_wlr_surface(wlr_surface))) {
return view_from_wlr_xwayland_surface(xsurface);
}
#endif
struct wlr_subsurface *subsurface;
if ((subsurface = wlr_subsurface_try_from_wlr_surface(wlr_surface))) {
return view_from_wlr_surface(subsurface->parent);
}
if (wlr_layer_surface_v1_try_from_wlr_surface(wlr_surface) != NULL) {
return NULL;
}
const char *role = wlr_surface->role ? wlr_surface->role->name : NULL;
sway_log(SWAY_DEBUG, "Surface of unknown type (role %s): %p",
role, wlr_surface);
return NULL;
}
static char *escape_pango_markup(const char *buffer) {
size_t length = escape_markup_text(buffer, NULL);
char *escaped_title = calloc(length + 1, sizeof(char));
escape_markup_text(buffer, escaped_title);
return escaped_title;
}
static size_t append_prop(char *buffer, const char *value) {
if (!value) {
return 0;
}
// If using pango_markup in font, we need to escape all markup chars
// from values to make sure tags are not inserted by clients
if (config->pango_markup) {
char *escaped_value = escape_pango_markup(value);
lenient_strcat(buffer, escaped_value);
size_t len = strlen(escaped_value);
free(escaped_value);
return len;
} else {
lenient_strcat(buffer, value);
return strlen(value);
}
}
/**
* Calculate and return the length of the formatted title.
* If buffer is not NULL, also populate the buffer with the formatted title.
*/
static size_t parse_title_format(struct sway_view *view, char *buffer) {
if (!view->title_format || strcmp(view->title_format, "%title") == 0) {
return append_prop(buffer, view_get_title(view));
}
size_t len = 0;
char *format = view->title_format;
char *next = strchr(format, '%');
while (next) {
// Copy everything up to the %
lenient_strncat(buffer, format, next - format);
len += next - format;
format = next;
if (strncmp(next, "%title", 6) == 0) {
len += append_prop(buffer, view_get_title(view));
format += 6;
} else if (strncmp(next, "%app_id", 7) == 0) {
len += append_prop(buffer, view_get_app_id(view));
format += 7;
} else if (strncmp(next, "%class", 6) == 0) {
len += append_prop(buffer, view_get_class(view));
format += 6;
} else if (strncmp(next, "%instance", 9) == 0) {
len += append_prop(buffer, view_get_instance(view));
format += 9;
} else if (strncmp(next, "%shell", 6) == 0) {
len += append_prop(buffer, view_get_shell(view));
format += 6;
} else {
lenient_strcat(buffer, "%");
++format;
++len;
}
next = strchr(format, '%');
}
lenient_strcat(buffer, format);
len += strlen(format);
return len;
}
void view_update_app_id(struct sway_view *view) {
const char *app_id = view_get_app_id(view);
if (view->foreign_toplevel && app_id) {
wlr_foreign_toplevel_handle_v1_set_app_id(view->foreign_toplevel, app_id);
}
if (view->ext_foreign_toplevel) {
update_ext_foreign_toplevel(view);
}
}
void view_update_title(struct sway_view *view, bool force) {
const char *title = view_get_title(view);
if (!force) {
if (title && view->container->title &&
strcmp(title, view->container->title) == 0) {
return;
}
if (!title && !view->container->title) {
return;
}
}
free(view->container->title);
free(view->container->formatted_title);
size_t len = parse_title_format(view, NULL);
if (len) {
char *buffer = calloc(len + 1, sizeof(char));
if (!sway_assert(buffer, "Unable to allocate title string")) {
return;
}
parse_title_format(view, buffer);
view->container->formatted_title = buffer;
} else {
view->container->formatted_title = NULL;
}
view->container->title = title ? strdup(title) : NULL;
// Update title after the global font height is updated
if (view->container->title_bar.title_text && len) {
sway_text_node_set_text(view->container->title_bar.title_text,
view->container->formatted_title);
container_arrange_title_bar(view->container);
} else {
container_update_title_bar(view->container);
}
ipc_event_window(view->container, "title");
if (view->foreign_toplevel && title) {
wlr_foreign_toplevel_handle_v1_set_title(view->foreign_toplevel, title);
}
if (view->ext_foreign_toplevel) {
update_ext_foreign_toplevel(view);
}
}
bool view_is_visible(struct sway_view *view) {
if (view->container->node.destroying) {
return false;
}
struct sway_workspace *workspace = view->container->pending.workspace;
if (!workspace && view->container->pending.fullscreen_mode != FULLSCREEN_GLOBAL) {
bool fs_global_descendant = false;
struct sway_container *parent = view->container->pending.parent;
while (parent) {
if (parent->pending.fullscreen_mode == FULLSCREEN_GLOBAL) {
fs_global_descendant = true;
}
parent = parent->pending.parent;
}
if (!fs_global_descendant) {
return false;
}
}
if (!container_is_sticky_or_child(view->container) && workspace &&
!workspace_is_visible(workspace)) {
return false;
}
// Check view isn't in a tabbed or stacked container on an inactive tab
struct sway_seat *seat = input_manager_current_seat();
struct sway_container *con = view->container;
while (con) {
enum sway_container_layout layout = container_parent_layout(con);
if ((layout == L_TABBED || layout == L_STACKED)
&& !container_is_floating(con)) {
struct sway_node *parent = con->pending.parent ?
&con->pending.parent->node : &con->pending.workspace->node;
if (seat_get_active_tiling_child(seat, parent) != &con->node) {
return false;
}
}
con = con->pending.parent;
}
// Check view isn't hidden by another fullscreen view
struct sway_container *fs = root->fullscreen_global ?
root->fullscreen_global : workspace->fullscreen;
if (fs && !container_is_fullscreen_or_child(view->container) &&
!container_is_transient_for(view->container, fs)) {
return false;
}
return true;
}
void view_set_urgent(struct sway_view *view, bool enable) {
if (view_is_urgent(view) == enable) {
return;
}
if (enable) {
struct sway_seat *seat = input_manager_current_seat();
if (seat_get_focused_container(seat) == view->container) {
return;
}
clock_gettime(CLOCK_MONOTONIC, &view->urgent);
container_update_itself_and_parents(view->container);
} else {
view->urgent = (struct timespec){ 0 };
if (view->urgent_timer) {
wl_event_source_remove(view->urgent_timer);
view->urgent_timer = NULL;
}
}
ipc_event_window(view->container, "urgent");
if (!container_is_scratchpad_hidden(view->container)) {
workspace_detect_urgent(view->container->pending.workspace);
}
}
bool view_is_urgent(struct sway_view *view) {
return view->urgent.tv_sec || view->urgent.tv_nsec;
}
void view_remove_saved_buffer(struct sway_view *view) {
if (!sway_assert(view->saved_surface_tree, "Expected a saved buffer")) {
return;
}
wlr_scene_node_destroy(&view->saved_surface_tree->node);
view->saved_surface_tree = NULL;
wlr_scene_node_set_enabled(&view->content_tree->node, true);
}
static void view_save_buffer_iterator(struct wlr_scene_buffer *buffer,
int sx, int sy, void *data) {
struct wlr_scene_tree *tree = data;
struct wlr_scene_buffer *sbuf = wlr_scene_buffer_create(tree, NULL);
if (!sbuf) {
sway_log(SWAY_ERROR, "Could not allocate a scene buffer when saving a surface");
return;
}
wlr_scene_buffer_set_dest_size(sbuf,
buffer->dst_width, buffer->dst_height);
wlr_scene_buffer_set_opaque_region(sbuf, &buffer->opaque_region);
wlr_scene_buffer_set_source_box(sbuf, &buffer->src_box);
wlr_scene_node_set_position(&sbuf->node, sx, sy);
wlr_scene_buffer_set_transform(sbuf, buffer->transform);
wlr_scene_buffer_set_buffer(sbuf, buffer->buffer);
}
void view_save_buffer(struct sway_view *view) {
if (!sway_assert(!view->saved_surface_tree, "Didn't expect saved buffer")) {
view_remove_saved_buffer(view);
}
view->saved_surface_tree = wlr_scene_tree_create(view->scene_tree);
if (!view->saved_surface_tree) {
sway_log(SWAY_ERROR, "Could not allocate a scene tree node when saving a surface");
return;
}
// Enable and disable the saved surface tree like so to atomitaclly update
// the tree. This will prevent over damaging or other weirdness.
wlr_scene_node_set_enabled(&view->saved_surface_tree->node, false);
wlr_scene_node_for_each_buffer(&view->content_tree->node,
view_save_buffer_iterator, view->saved_surface_tree);
wlr_scene_node_set_enabled(&view->content_tree->node, false);
wlr_scene_node_set_enabled(&view->saved_surface_tree->node, true);
}
bool view_is_transient_for(struct sway_view *child,
struct sway_view *ancestor) {
return child->impl->is_transient_for &&
child->impl->is_transient_for(child, ancestor);
}
static void send_frame_done_iterator(struct wlr_scene_buffer *scene_buffer,
int x, int y, void *data) {
struct timespec *when = data;
wl_signal_emit_mutable(&scene_buffer->events.frame_done, when);
}
void view_send_frame_done(struct sway_view *view) {
struct timespec when;
clock_gettime(CLOCK_MONOTONIC, &when);
struct wlr_scene_node *node;
wl_list_for_each(node, &view->content_tree->children, link) {
wlr_scene_node_for_each_buffer(node, send_frame_done_iterator, &when);
}
}