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5bf6bc4d7d
This is consistent with the naming for the functions that affect other data types Fixes https://github.com/libsdl-org/SDL/issues/10241
227 lines
7.3 KiB
C
227 lines
7.3 KiB
C
/*
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Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely.
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*/
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#include "testnative.h"
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#ifdef TEST_NATIVE_WAYLAND
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#include <SDL3/SDL.h>
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#include <wayland-client.h>
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#include <xdg-shell-client-protocol.h>
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static void *native_userdata_ptr = (void *)0xBAADF00D;
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static const char *native_surface_tag = "SDL_NativeSurfaceTag";
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static void *CreateWindowWayland(int w, int h);
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static void DestroyWindowWayland(void *window);
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NativeWindowFactory WaylandWindowFactory = {
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"wayland",
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CreateWindowWayland,
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DestroyWindowWayland
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};
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/* Encapsulated in a struct to silence shadow variable warnings */
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static struct _state
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{
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struct wl_display *wl_display;
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struct wl_registry *wl_registry;
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struct wl_compositor *wl_compositor;
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struct xdg_wm_base *xdg_wm_base;
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struct wl_surface *wl_surface;
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struct xdg_surface *xdg_surface;
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struct xdg_toplevel *xdg_toplevel;
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} state;
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static void xdg_surface_configure(void *data, struct xdg_surface *xdg_surface, uint32_t serial)
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{
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xdg_surface_ack_configure(state.xdg_surface, serial);
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}
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static const struct xdg_surface_listener xdg_surface_listener = {
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.configure = xdg_surface_configure,
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};
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static void xdg_toplevel_configure(void *data, struct xdg_toplevel *xdg_toplevel, int32_t width, int32_t height, struct wl_array *states)
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{
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/* NOP */
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}
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static void xdg_toplevel_close(void *data, struct xdg_toplevel *xdg_toplevel)
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{
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SDL_Event event;
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SDL_zero(event);
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event.type = SDL_EVENT_QUIT;
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SDL_PushEvent(&event);
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}
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static void xdg_toplevel_configure_bounds(void *data, struct xdg_toplevel *xdg_toplevel, int32_t width, int32_t height)
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{
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/* NOP */
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}
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static void xdg_toplevel_wm_capabilities(void *data, struct xdg_toplevel *xdg_toplevel, struct wl_array *capabilities)
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{
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/* NOP */
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}
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static const struct xdg_toplevel_listener xdg_toplevel_listener = {
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.configure = xdg_toplevel_configure,
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.close = xdg_toplevel_close,
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.configure_bounds = xdg_toplevel_configure_bounds,
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.wm_capabilities = xdg_toplevel_wm_capabilities
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};
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static void xdg_wm_base_ping(void *data, struct xdg_wm_base *xdg_wm_base, uint32_t serial)
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{
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xdg_wm_base_pong(state.xdg_wm_base, serial);
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}
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static const struct xdg_wm_base_listener xdg_wm_base_listener = {
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.ping = xdg_wm_base_ping,
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};
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static void registry_global(void *data, struct wl_registry *wl_registry, uint32_t name, const char *interface, uint32_t version)
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{
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if (SDL_strcmp(interface, wl_compositor_interface.name) == 0) {
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state.wl_compositor = wl_registry_bind(state.wl_registry, name, &wl_compositor_interface, SDL_min(version, 4));
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} else if (SDL_strcmp(interface, xdg_wm_base_interface.name) == 0) {
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state.xdg_wm_base = wl_registry_bind(state.wl_registry, name, &xdg_wm_base_interface, 1);
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xdg_wm_base_add_listener(state.xdg_wm_base, &xdg_wm_base_listener, NULL);
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}
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}
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static void registry_global_remove(void *data, struct wl_registry *wl_registry, uint32_t name)
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{
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/* NOP */
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}
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static const struct wl_registry_listener wl_registry_listener = {
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.global = registry_global,
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.global_remove = registry_global_remove,
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};
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static void *CreateWindowWayland(int w, int h)
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{
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/* Export the display object from SDL and use it to create a registry object,
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* which will enumerate the wl_compositor and xdg_wm_base protocols.
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*/
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state.wl_display = SDL_GetPointerProperty(SDL_GetGlobalProperties(), SDL_PROP_GLOBAL_VIDEO_WAYLAND_WL_DISPLAY_POINTER, NULL);
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if (!state.wl_display) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Invalid 'wl_display' object!");
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goto error;
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}
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state.wl_registry = wl_display_get_registry(state.wl_display);
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wl_registry_add_listener(state.wl_registry, &wl_registry_listener, NULL);
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/* Roundtrip to enumerate registry objects. */
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wl_display_roundtrip(state.wl_display);
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/* Protocol sanity check */
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if (!state.wl_compositor) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "'wl_compositor' protocol not found!");
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goto error;
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}
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if (!state.xdg_wm_base) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "'xdg_wm_base' protocol not found!");
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goto error;
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}
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/* Crate the backing wl_surface for the window. */
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state.wl_surface = wl_compositor_create_surface(state.wl_compositor);
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/* Set the native tag and userdata values, which should be the same at exit. */
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wl_proxy_set_tag((struct wl_proxy *)state.wl_surface, &native_surface_tag);
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wl_surface_set_user_data(state.wl_surface, native_userdata_ptr);
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/* Create the xdg_surface from the wl_surface. */
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state.xdg_surface = xdg_wm_base_get_xdg_surface(state.xdg_wm_base, state.wl_surface);
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xdg_surface_add_listener(state.xdg_surface, &xdg_surface_listener, NULL);
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/* Create the xdg_toplevel from the xdg_surface. */
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state.xdg_toplevel = xdg_surface_get_toplevel(state.xdg_surface);
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xdg_toplevel_add_listener(state.xdg_toplevel, &xdg_toplevel_listener, NULL);
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xdg_toplevel_set_title(state.xdg_toplevel, "Native Wayland Window");
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/* Return the wl_surface to be wrapped in an SDL_Window. */
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return state.wl_surface;
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error:
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if (state.xdg_toplevel) {
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xdg_toplevel_destroy(state.xdg_toplevel);
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state.xdg_toplevel = NULL;
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}
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if (state.xdg_surface) {
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xdg_surface_destroy(state.xdg_surface);
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state.xdg_surface = NULL;
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}
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if (state.wl_surface) {
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wl_surface_destroy(state.wl_surface);
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state.wl_surface = NULL;
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}
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if (state.xdg_wm_base) {
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xdg_wm_base_destroy(state.xdg_wm_base);
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state.xdg_wm_base = NULL;
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}
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if (state.wl_compositor) {
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wl_compositor_destroy(state.wl_compositor);
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state.wl_compositor = NULL;
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}
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if (state.wl_registry) {
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wl_registry_destroy(state.wl_registry);
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state.wl_registry = NULL;
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}
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return NULL;
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}
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static void DestroyWindowWayland(void *window)
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{
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if (state.xdg_toplevel) {
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xdg_toplevel_destroy(state.xdg_toplevel);
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state.xdg_toplevel = NULL;
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}
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if (state.xdg_surface) {
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xdg_surface_destroy(state.xdg_surface);
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state.xdg_surface = NULL;
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}
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if (state.wl_surface) {
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/* Surface sanity check; these should be unmodified. */
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if (wl_proxy_get_tag((struct wl_proxy *)state.wl_surface) != &native_surface_tag) {
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SDL_LogError(SDL_LOG_CATEGORY_ERROR, "The wl_surface tag was modified, this indicates a problem inside of SDL.");
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}
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if (wl_surface_get_user_data(state.wl_surface) != native_userdata_ptr) {
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SDL_LogError(SDL_LOG_CATEGORY_ERROR, "The wl_surface user data was modified, this indicates a problem inside of SDL.");
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}
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wl_surface_destroy(state.wl_surface);
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state.wl_surface = NULL;
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}
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if (state.xdg_wm_base) {
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xdg_wm_base_destroy(state.xdg_wm_base);
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state.xdg_wm_base = NULL;
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}
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if (state.wl_compositor) {
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wl_compositor_destroy(state.wl_compositor);
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state.wl_compositor = NULL;
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}
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if (state.wl_registry) {
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wl_registry_destroy(state.wl_registry);
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state.wl_registry = NULL;
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}
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}
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#endif
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