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xwayland: add set_size_hints signal

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Currently there is no way for the compositor to be notified when an
Xwayland client sets/modifies its size hints.
This commit is contained in:
Isaac Freund 2026-01-15 11:49:49 +01:00
parent ba76d37b0b
commit f735439543
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GPG key ID: 86DED400DDFD7A11
2 changed files with 5 additions and 0 deletions
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1
include/wlr/xwayland/xwayland.h
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@ -221,6 +221,7 @@ struct wlr_xwayland_surface {
struct wl_signal set_startup_id;
struct wl_signal set_window_type;
struct wl_signal set_hints;
struct wl_signal set_size_hints;
struct wl_signal set_decorations;
struct wl_signal set_strut_partial;
struct wl_signal set_override_redirect;

4
xwayland/xwm.c
View file

@ -239,6 +239,7 @@ static struct wlr_xwayland_surface *xwayland_surface_create(
wl_signal_init(&surface->events.set_startup_id);
wl_signal_init(&surface->events.set_window_type);
wl_signal_init(&surface->events.set_hints);
wl_signal_init(&surface->events.set_size_hints);
wl_signal_init(&surface->events.set_decorations);
wl_signal_init(&surface->events.set_strut_partial);
wl_signal_init(&surface->events.set_override_redirect);
@ -601,6 +602,7 @@ static void xwayland_surface_destroy(struct wlr_xwayland_surface *xsurface) {
assert(wl_list_empty(&xsurface->events.set_startup_id.listener_list));
assert(wl_list_empty(&xsurface->events.set_window_type.listener_list));
assert(wl_list_empty(&xsurface->events.set_hints.listener_list));
assert(wl_list_empty(&xsurface->events.set_size_hints.listener_list));
assert(wl_list_empty(&xsurface->events.set_decorations.listener_list));
assert(wl_list_empty(&xsurface->events.set_strut_partial.listener_list));
assert(wl_list_empty(&xsurface->events.set_override_redirect.listener_list));
@ -951,6 +953,8 @@ static void read_surface_normal_hints(struct wlr_xwm *xwm,
xsurface->size_hints->max_width = -1;
xsurface->size_hints->max_height = -1;
}
wl_signal_emit_mutable(&xsurface->events.set_size_hints, NULL);
}
#define MWM_HINTS_FLAGS_FIELD 0