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