wlroots-hyprland/include/wlr/types/wlr_subcompositor.h

84 lines
1.7 KiB
C

/*
* This an unstable interface of wlroots. No guarantees are made regarding the
* future consistency of this API.
*/
#ifndef WLR_USE_UNSTABLE
#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
#endif
#ifndef WLR_TYPES_WLR_SUBCOMPOSITOR_H
#define WLR_TYPES_WLR_SUBCOMPOSITOR_H
#include <stdbool.h>
#include <stdint.h>
#include <wayland-server-core.h>
#include <wlr/types/wlr_compositor.h>
/**
* The sub-surface state describing the sub-surface's relationship with its
* parent. Contrary to other states, this one is not applied on surface commit.
* Instead, it's applied on parent surface commit.
*/
struct wlr_subsurface_parent_state {
int32_t x, y;
struct wl_list link;
// private state
struct wlr_surface_synced *synced;
};
struct wlr_subsurface {
struct wl_resource *resource;
struct wlr_surface *surface;
struct wlr_surface *parent;
struct wlr_subsurface_parent_state current, pending;
uint32_t cached_seq;
bool has_cache;
bool synchronized;
bool added;
struct wl_listener surface_client_commit;
struct wl_listener parent_destroy;
struct {
struct wl_signal destroy;
} events;
void *data;
// private state
struct wlr_surface_synced parent_synced;
struct {
int32_t x, y;
} previous;
};
struct wlr_subcompositor {
struct wl_global *global;
struct wl_listener display_destroy;
struct {
struct wl_signal destroy;
} events;
};
/**
* Get a struct wlr_subsurface from a struct wlr_surface.
*
* Returns NULL if the surface doesn't have the subsurface role or if
* the subsurface has been destroyed.
*/
struct wlr_subsurface *wlr_subsurface_try_from_wlr_surface(
struct wlr_surface *surface);
struct wlr_subcompositor *wlr_subcompositor_create(struct wl_display *display);
#endif