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xdg-toplevel: don't schedule configures on state requests

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master
Kirill Primak 3 years ago committed by Simon Ser
parent 04aa44b4df
commit dec2565f2b
3 changed files with 38 additions and 4 deletions
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8
include/wlr/types/wlr_xdg_shell.h
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@ -147,8 +147,16 @@ struct wlr_xdg_toplevel {
char *app_id;
struct {
// Note: as per xdg-shell protocol, the compositor has to
// handle state requests by sending a configure event,
// even if it didn't actually change the state. Therefore,
// every compositor implementing xdg-shell support *must*
// listen to these signals and schedule a configure event
// immediately or at some time in the future; not doing so
// is a protocol violation.
struct wl_signal request_maximize;
struct wl_signal request_fullscreen;
struct wl_signal request_minimize;
struct wl_signal request_move;
struct wl_signal request_resize;

30
tinywl/tinywl.c
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@ -85,6 +85,8 @@ struct tinywl_view {
struct wl_listener destroy;
struct wl_listener request_move;
struct wl_listener request_resize;
struct wl_listener request_maximize;
struct wl_listener request_fullscreen;
int x, y;
};
@ -619,6 +621,8 @@ static void xdg_toplevel_destroy(struct wl_listener *listener, void *data) {
wl_list_remove(&view->destroy.link);
wl_list_remove(&view->request_move.link);
wl_list_remove(&view->request_resize.link);
wl_list_remove(&view->request_maximize.link);
wl_list_remove(&view->request_fullscreen.link);
free(view);
}
@ -684,6 +688,26 @@ static void xdg_toplevel_request_resize(
begin_interactive(view, TINYWL_CURSOR_RESIZE, event->edges);
}
static void xdg_toplevel_request_maximize(
struct wl_listener *listener, void *data) {
/* This event is raised when a client would like to maximize itself,
* typically because the user clicked on the maximize button on
* client-side decorations. tinywl doesn't support maximization, but
* to conform to xdg-shell protocol we still must send a configure.
* wlr_xdg_surface_schedule_configure() is used to send an empty reply. */
struct tinywl_view *view =
wl_container_of(listener, view, request_maximize);
wlr_xdg_surface_schedule_configure(view->xdg_toplevel->base);
}
static void xdg_toplevel_request_fullscreen(
struct wl_listener *listener, void *data) {
/* Just as with request_maximize, we must send a configure here. */
struct tinywl_view *view =
wl_container_of(listener, view, request_fullscreen);
wlr_xdg_surface_schedule_configure(view->xdg_toplevel->base);
}
static void server_new_xdg_surface(struct wl_listener *listener, void *data) {
/* This event is raised when wlr_xdg_shell receives a new xdg surface from a
* client, either a toplevel (application window) or popup. */
@ -730,6 +754,12 @@ static void server_new_xdg_surface(struct wl_listener *listener, void *data) {
wl_signal_add(&toplevel->events.request_move, &view->request_move);
view->request_resize.notify = xdg_toplevel_request_resize;
wl_signal_add(&toplevel->events.request_resize, &view->request_resize);
view->request_maximize.notify = xdg_toplevel_request_maximize;
wl_signal_add(&toplevel->events.request_maximize,
&view->request_maximize);
view->request_fullscreen.notify = xdg_toplevel_request_fullscreen;
wl_signal_add(&toplevel->events.request_fullscreen,
&view->request_fullscreen);
}
int main(int argc, char *argv[]) {

4
types/xdg_shell/wlr_xdg_toplevel.c
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@ -320,7 +320,6 @@ static void xdg_toplevel_handle_set_maximized(struct wl_client *client,
wlr_xdg_toplevel_from_resource(resource);
toplevel->requested.maximized = true;
wlr_signal_emit_safe(&toplevel->events.request_maximize, NULL);
wlr_xdg_surface_schedule_configure(toplevel->base);
}
static void xdg_toplevel_handle_unset_maximized(struct wl_client *client,
@ -329,7 +328,6 @@ static void xdg_toplevel_handle_unset_maximized(struct wl_client *client,
wlr_xdg_toplevel_from_resource(resource);
toplevel->requested.maximized = false;
wlr_signal_emit_safe(&toplevel->events.request_maximize, NULL);
wlr_xdg_surface_schedule_configure(toplevel->base);
}
static void handle_fullscreen_output_destroy(struct wl_listener *listener,
@ -369,7 +367,6 @@ static void xdg_toplevel_handle_set_fullscreen(struct wl_client *client,
store_fullscreen_requested(toplevel, true, output);
wlr_signal_emit_safe(&toplevel->events.request_fullscreen, NULL);
wlr_xdg_surface_schedule_configure(toplevel->base);
}
static void xdg_toplevel_handle_unset_fullscreen(struct wl_client *client,
@ -380,7 +377,6 @@ static void xdg_toplevel_handle_unset_fullscreen(struct wl_client *client,
store_fullscreen_requested(toplevel, false, NULL);
wlr_signal_emit_safe(&toplevel->events.request_fullscreen, NULL);
wlr_xdg_surface_schedule_configure(toplevel->base);
}
static void xdg_toplevel_handle_set_minimized(struct wl_client *client,

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