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xwm: add request_close signal

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This is especially useful if the compositor wants to support X11
panels to control windows. Without the signal a compositor does
have to hook into the user_event_handler callback but that would
not change the _NET_SUPPORTED root window property.
This commit is contained in:
Consolatis 2023-02-17 08:18:41 +01:00 • committed by Kirill Primak
parent df4a1d94e2
commit 20997df416
3 changed files with 16 additions and 0 deletions
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1
include/wlr/xwayland/xwayland.h
View file

@ -171,6 +171,7 @@ struct wlr_xwayland_surface {
struct wl_signal request_maximize;
struct wl_signal request_fullscreen;
struct wl_signal request_activate;
struct wl_signal request_close;
struct wl_signal associate;
struct wl_signal dissociate;

1
include/xwayland/xwm.h
View file

@ -39,6 +39,7 @@ enum atom_name {
WM_TAKE_FOCUS,
WINDOW,
NET_ACTIVE_WINDOW,
NET_CLOSE_WINDOW,
NET_WM_MOVERESIZE,
NET_SUPPORTING_WM_CHECK,
NET_WM_STATE_FOCUSED,

14
xwayland/xwm.c
View file

@ -38,6 +38,7 @@ static const char *const atom_map[ATOM_LAST] = {
[WM_TAKE_FOCUS] = "WM_TAKE_FOCUS",
[WINDOW] = "WINDOW",
[NET_ACTIVE_WINDOW] = "_NET_ACTIVE_WINDOW",
[NET_CLOSE_WINDOW] = "_NET_CLOSE_WINDOW",
[NET_WM_MOVERESIZE] = "_NET_WM_MOVERESIZE",
[NET_SUPPORTING_WM_CHECK] = "_NET_SUPPORTING_WM_CHECK",
[NET_WM_STATE_FOCUSED] = "_NET_WM_STATE_FOCUSED",
@ -206,6 +207,7 @@ static struct wlr_xwayland_surface *xwayland_surface_create(
wl_signal_init(&surface->events.request_maximize);
wl_signal_init(&surface->events.request_fullscreen);
wl_signal_init(&surface->events.request_activate);
wl_signal_init(&surface->events.request_close);
wl_signal_init(&surface->events.associate);
wl_signal_init(&surface->events.dissociate);
wl_signal_init(&surface->events.set_class);
@ -1490,6 +1492,15 @@ static void xwm_handle_net_active_window_message(struct wlr_xwm *xwm,
wl_signal_emit_mutable(&surface->events.request_activate, NULL);
}
static void xwm_handle_net_close_window_message(struct wlr_xwm *xwm,
xcb_client_message_event_t *ev) {
struct wlr_xwayland_surface *surface = lookup_surface(xwm, ev->window);
if (surface == NULL) {
return;
}
wl_signal_emit_mutable(&surface->events.request_close, NULL);
}
static void pending_startup_id_destroy(struct pending_startup_id *pending) {
wl_list_remove(&pending->link);
free(pending->msg);
@ -1597,6 +1608,8 @@ static void xwm_handle_client_message(struct wlr_xwm *xwm,
xwm_handle_wm_protocols_message(xwm, ev);
} else if (ev->type == xwm->atoms[NET_ACTIVE_WINDOW]) {
xwm_handle_net_active_window_message(xwm, ev);
} else if (ev->type == xwm->atoms[NET_CLOSE_WINDOW]) {
xwm_handle_net_close_window_message(xwm, ev);
} else if (ev->type == xwm->atoms[NET_STARTUP_INFO] ||
ev->type == xwm->atoms[NET_STARTUP_INFO_BEGIN]) {
xwm_handle_net_startup_info_message(xwm, ev);
@ -2269,6 +2282,7 @@ struct wlr_xwm *xwm_create(struct wlr_xwayland *xwayland, int wm_fd) {
xcb_atom_t supported[] = {
xwm->atoms[NET_WM_STATE],
xwm->atoms[NET_ACTIVE_WINDOW],
xwm->atoms[NET_CLOSE_WINDOW],
xwm->atoms[NET_WM_MOVERESIZE],
xwm->atoms[NET_WM_STATE_FOCUSED],
xwm->atoms[NET_WM_STATE_MODAL],