Merge pull request #437 from emersion/fullscreen

Fullscreen support

include/rootston/desktop.h

@@ -19,13 +19,14 @@ struct roots_output {
 	struct wlr_output *wlr_output;
 	struct wl_listener frame;
 	struct timespec last_frame;
-	struct wl_list link;
+	struct wl_list link; // roots_desktop:outputs
+	struct roots_view *fullscreen_view;
 };
 
 struct roots_desktop {
 	struct wl_list views; // roots_view::link
 
-	struct wl_list outputs;
+	struct wl_list outputs; // roots_output::link
 	struct timespec last_frame;
 
 	struct roots_server *server;
@@ -59,11 +60,13 @@ struct roots_server;
 struct roots_desktop *desktop_create(struct roots_server *server,
 		struct roots_config *config);
 void desktop_destroy(struct roots_desktop *desktop);
+struct roots_output *desktop_output_from_wlr_output(
+	struct roots_desktop *desktop, struct wlr_output *output);
+struct roots_view *desktop_view_at(struct roots_desktop *desktop, double lx,
+	double ly, struct wlr_surface **surface, double *sx, double *sy);
 
 void view_init(struct roots_view *view, struct roots_desktop *desktop);
 void view_destroy(struct roots_view *view);
-struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
-		struct wlr_surface **surface, double *sx, double *sy);
 void view_activate(struct roots_view *view, bool activate);
 
 void output_add_notify(struct wl_listener *listener, void *data);

include/rootston/view.h

@@ -12,7 +12,8 @@ struct roots_wl_shell_surface {
 	struct wl_listener destroy;
 	struct wl_listener request_move;
 	struct wl_listener request_resize;
-	struct wl_listener request_set_maximized;
+	struct wl_listener request_maximize;
+	struct wl_listener request_fullscreen;
 	struct wl_listener set_state;
 
 	struct wl_listener surface_commit;
@@ -26,6 +27,7 @@ struct roots_xdg_surface_v6 {
 	struct wl_listener request_move;
 	struct wl_listener request_resize;
 	struct wl_listener request_maximize;
+	struct wl_listener request_fullscreen;
 
 	uint32_t pending_move_resize_configure_serial;
 };
@@ -38,6 +40,7 @@ struct roots_xwayland_surface {
 	struct wl_listener request_move;
 	struct wl_listener request_resize;
 	struct wl_listener request_maximize;
+	struct wl_listener request_fullscreen;
 	struct wl_listener map_notify;
 	struct wl_listener unmap_notify;
 
@@ -58,6 +61,7 @@ struct roots_view {
 	float rotation;
 
 	bool maximized;
+	struct roots_output *fullscreen_output;
 	struct {
 		double x, y;
 		uint32_t width, height;
@@ -103,6 +107,7 @@ struct roots_view {
 	void (*move_resize)(struct roots_view *view, double x, double y,
 		uint32_t width, uint32_t height);
 	void (*maximize)(struct roots_view *view, bool maximized);
+	void (*set_fullscreen)(struct roots_view *view, bool fullscreen);
 	void (*close)(struct roots_view *view);
 };
 
@@ -113,6 +118,8 @@ void view_resize(struct roots_view *view, uint32_t width, uint32_t height);
 void view_move_resize(struct roots_view *view, double x, double y,
 	uint32_t width, uint32_t height);
 void view_maximize(struct roots_view *view, bool maximized);
+void view_set_fullscreen(struct roots_view *view, bool fullscreen,
+	struct wlr_output *output);
 void view_close(struct roots_view *view);
 bool view_center(struct roots_view *view);
 void view_setup(struct roots_view *view);

include/wlr/types/wlr_output.h

@@ -64,6 +64,10 @@ struct wlr_output {
 		struct wl_signal destroy;
 	} events;
 
+	struct wlr_surface *fullscreen_surface;
+	struct wl_listener fullscreen_surface_commit;
+	struct wl_listener fullscreen_surface_destroy;
+
 	struct wl_list cursors; // wlr_output_cursor::link
 	struct wlr_output_cursor *hardware_cursor;
 
@@ -89,6 +93,8 @@ void wlr_output_swap_buffers(struct wlr_output *output);
 void wlr_output_set_gamma(struct wlr_output *output,
 	uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b);
 uint32_t wlr_output_get_gamma_size(struct wlr_output *output);
+void wlr_output_set_fullscreen_surface(struct wlr_output *output,
+	struct wlr_surface *surface);
 
 struct wlr_output_cursor *wlr_output_cursor_create(struct wlr_output *output);
 bool wlr_output_cursor_set_image(struct wlr_output_cursor *cursor,

include/wlr/types/wlr_surface.h

@@ -1,9 +1,10 @@
 #ifndef WLR_TYPES_WLR_SURFACE_H
 #define WLR_TYPES_WLR_SURFACE_H
-#include <wayland-server.h>
-#include <pixman.h>
 #include <stdint.h>
 #include <stdbool.h>
+#include <time.h>
+#include <pixman.h>
+#include <wayland-server.h>
 #include <wlr/types/wlr_output.h>
 
 struct wlr_frame_callback {
@@ -142,4 +143,7 @@ void wlr_surface_send_enter(struct wlr_surface *surface,
 void wlr_surface_send_leave(struct wlr_surface *surface,
 		struct wlr_output *output);
 
+void wlr_surface_send_frame_done(struct wlr_surface *surface,
+		const struct timespec *when);
+
 #endif

include/wlr/types/wlr_wl_shell.h

@@ -81,8 +81,8 @@ struct wlr_wl_shell_surface {
 
 		struct wl_signal request_move;
 		struct wl_signal request_resize;
-		struct wl_signal request_set_fullscreen;
+		struct wl_signal request_fullscreen;
-		struct wl_signal request_set_maximized;
+		struct wl_signal request_maximize;
 
 		struct wl_signal set_state;
 		struct wl_signal set_title;
@@ -93,14 +93,12 @@ struct wlr_wl_shell_surface {
 };
 
 struct wlr_wl_shell_surface_move_event {
-	struct wl_client *client;
 	struct wlr_wl_shell_surface *surface;
 	struct wlr_seat_client *seat;
 	uint32_t serial;
 };
 
 struct wlr_wl_shell_surface_resize_event {
-	struct wl_client *client;
 	struct wlr_wl_shell_surface *surface;
 	struct wlr_seat_client *seat;
 	uint32_t serial;
@@ -108,15 +106,13 @@ struct wlr_wl_shell_surface_resize_event {
 };
 
 struct wlr_wl_shell_surface_set_fullscreen_event {
-	struct wl_client *client;
 	struct wlr_wl_shell_surface *surface;
 	enum wl_shell_surface_fullscreen_method method;
 	uint32_t framerate;
 	struct wlr_output *output;
 };
 
-struct wlr_wl_shell_surface_set_maximized_event {
+struct wlr_wl_shell_surface_maximize_event {
-	struct wl_client *client;
 	struct wlr_wl_shell_surface *surface;
 	struct wlr_output *output;
 };

include/wlr/types/wlr_xdg_shell_v6.h

@@ -139,27 +139,29 @@ struct wlr_xdg_surface_v6 {
 };
 
 struct wlr_xdg_toplevel_v6_move_event {
-	struct wl_client *client;
 	struct wlr_xdg_surface_v6 *surface;
 	struct wlr_seat_client *seat;
 	uint32_t serial;
 };
 
 struct wlr_xdg_toplevel_v6_resize_event {
-	struct wl_client *client;
 	struct wlr_xdg_surface_v6 *surface;
 	struct wlr_seat_client *seat;
 	uint32_t serial;
 	uint32_t edges;
 };
 
+struct wlr_xdg_toplevel_v6_set_fullscreen_event {
+	struct wlr_xdg_surface_v6 *surface;
+	bool fullscreen;
+	struct wlr_output *output;
+};
+
 struct wlr_xdg_toplevel_v6_show_window_menu_event {
-	struct wl_client *client;
 	struct wlr_xdg_surface_v6 *surface;
 	struct wlr_seat_client *seat;
 	uint32_t serial;
-	uint32_t x;
+	uint32_t x, y;
-	uint32_t y;
 };
 
 struct wlr_xdg_shell_v6 *wlr_xdg_shell_v6_create(struct wl_display *display);

rootston/cursor.c

@@ -37,7 +37,7 @@ static void roots_cursor_update_position(struct roots_cursor *cursor,
 	double sx, sy;
 	switch (cursor->mode) {
 	case ROOTS_CURSOR_PASSTHROUGH:
-		view = view_at(desktop, cursor->cursor->x, cursor->cursor->y,
+		view = desktop_view_at(desktop, cursor->cursor->x, cursor->cursor->y,
 			&surface, &sx, &sy);
 		bool set_compositor_cursor = !view && cursor->cursor_client;
 		if (view) {
@@ -131,7 +131,8 @@ static void roots_cursor_press_button(struct roots_cursor *cursor,
 
 	struct wlr_surface *surface;
 	double sx, sy;
-	struct roots_view *view = view_at(desktop, lx, ly, &surface, &sx, &sy);
+	struct roots_view *view =
+		desktop_view_at(desktop, lx, ly, &surface, &sx, &sy);
 
 	if (state == WLR_BUTTON_PRESSED &&
 			view &&
@@ -231,7 +232,7 @@ void roots_cursor_handle_touch_down(struct roots_cursor *cursor,
 		return;
 	}
 	double sx, sy;
-	view_at(desktop, lx, ly, &surface, &sx, &sy);
+	desktop_view_at(desktop, lx, ly, &surface, &sx, &sy);
 
 	uint32_t serial = 0;
 	if (surface) {
@@ -285,7 +286,7 @@ void roots_cursor_handle_touch_motion(struct roots_cursor *cursor,
 	}
 
 	double sx, sy;
-	view_at(desktop, lx, ly, &surface, &sx, &sy);
+	desktop_view_at(desktop, lx, ly, &surface, &sx, &sy);
 
 	if (surface) {
 		wlr_seat_touch_point_focus(cursor->seat->seat, surface,

rootston/desktop.c

@@ -36,7 +36,7 @@ static void view_update_output(const struct roots_view *view,
 	struct wlr_box box;
 	view_get_box(view, &box);
 	wl_list_for_each(output, &desktop->outputs, link) {
-		bool intersected = before->x != -1 && wlr_output_layout_intersects(
+		bool intersected = before != NULL && wlr_output_layout_intersects(
 				desktop->layout, output->wlr_output,
 				before->x, before->y, before->x + before->width,
 				before->y + before->height);
@@ -53,6 +53,10 @@ static void view_update_output(const struct roots_view *view,
 }
 
 void view_move(struct roots_view *view, double x, double y) {
+	if (view->x == x && view->y == y) {
+		return;
+	}
+
 	struct wlr_box before;
 	view_get_box(view, &before);
 	if (view->move) {
@@ -61,6 +65,7 @@ void view_move(struct roots_view *view, double x, double y) {
 		view->x = x;
 		view->y = y;
 	}
+	view_update_output(view, &before);
 }
 
 void view_activate(struct roots_view *view, bool activate) {
@@ -102,6 +107,19 @@ void view_move_resize(struct roots_view *view, double x, double y,
 	view_resize(view, width, height);
 }
 
+static struct wlr_output *view_get_output(struct roots_view *view) {
+	struct wlr_box view_box;
+	view_get_box(view, &view_box);
+
+	double output_x, output_y;
+	wlr_output_layout_closest_point(view->desktop->layout, NULL,
+		view->x + (double)view_box.width/2,
+		view->y + (double)view_box.height/2,
+		&output_x, &output_y);
+	return wlr_output_layout_output_at(view->desktop->layout, output_x,
+		output_y);
+}
+
 void view_maximize(struct roots_view *view, bool maximized) {
 	if (view->maximized == maximized) {
 		return;
@@ -122,13 +140,7 @@ void view_maximize(struct roots_view *view, bool maximized) {
 		view->saved.width = view_box.width;
 		view->saved.height = view_box.height;
 
-		double output_x, output_y;
+		struct wlr_output *output = view_get_output(view);
-		wlr_output_layout_closest_point(view->desktop->layout, NULL,
-			view->x + (double)view_box.width/2,
-			view->y + (double)view_box.height/2,
-			&output_x, &output_y);
-		struct wlr_output *output = wlr_output_layout_output_at(
-			view->desktop->layout, output_x, output_y);
 		struct wlr_box *output_box =
 			wlr_output_layout_get_box(view->desktop->layout, output);
 
@@ -146,6 +158,59 @@ void view_maximize(struct roots_view *view, bool maximized) {
 	}
 }
 
+void view_set_fullscreen(struct roots_view *view, bool fullscreen,
+		struct wlr_output *output) {
+	bool was_fullscreen = view->fullscreen_output != NULL;
+	if (was_fullscreen == fullscreen) {
+		// TODO: support changing the output?
+		return;
+	}
+
+	// TODO: check if client is focused?
+
+	if (view->set_fullscreen) {
+		view->set_fullscreen(view, fullscreen);
+	}
+
+	if (!was_fullscreen && fullscreen) {
+		if (output == NULL) {
+			output = view_get_output(view);
+		}
+		struct roots_output *roots_output =
+			desktop_output_from_wlr_output(view->desktop, output);
+		if (roots_output == NULL) {
+			return;
+		}
+
+		struct wlr_box view_box;
+		view_get_box(view, &view_box);
+
+		view->saved.x = view->x;
+		view->saved.y = view->y;
+		view->saved.rotation = view->rotation;
+		view->saved.width = view_box.width;
+		view->saved.height = view_box.height;
+
+		struct wlr_box *output_box =
+			wlr_output_layout_get_box(view->desktop->layout, output);
+		view_move_resize(view, output_box->x, output_box->y, output_box->width,
+			output_box->height);
+		view->rotation = 0;
+
+		roots_output->fullscreen_view = view;
+		view->fullscreen_output = roots_output;
+	}
+
+	if (was_fullscreen && !fullscreen) {
+		view_move_resize(view, view->saved.x, view->saved.y, view->saved.width,
+			view->saved.height);
+		view->rotation = view->saved.rotation;
+
+		view->fullscreen_output->fullscreen_view = NULL;
+		view->fullscreen_output = NULL;
+	}
+}
+
 void view_close(struct roots_view *view) {
 	if (view->close) {
 		view->close(view);
@@ -194,6 +259,10 @@ bool view_center(struct roots_view *view) {
 void view_destroy(struct roots_view *view) {
 	wl_signal_emit(&view->events.destroy, view);
 
+	if (view->fullscreen_output) {
+		view->fullscreen_output->fullscreen_view = NULL;
+	}
+
 	free(view);
 }
 
@@ -211,19 +280,14 @@ void view_setup(struct roots_view *view) {
 	}
 
 	view_center(view);
-	struct wlr_box before;
+	view_update_output(view, NULL);
-	view_get_box(view, &before);
-	view_update_output(view, &before);
 }
 
-struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
+static bool view_at(struct roots_view *view, double lx, double ly,
 		struct wlr_surface **surface, double *sx, double *sy) {
-	struct roots_view *view;
-	wl_list_for_each(view, &desktop->views, link) {
 	if (view->type == ROOTS_WL_SHELL_VIEW &&
-				view->wl_shell_surface->state ==
+			view->wl_shell_surface->state == WLR_WL_SHELL_SURFACE_STATE_POPUP) {
-				WLR_WL_SHELL_SURFACE_STATE_POPUP) {
+		return false;
-			continue;
 	}
 
 	double view_sx = lx - view->x;
@@ -257,7 +321,7 @@ struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
 			*sx = view_sx - popup_sx;
 			*sy = view_sy - popup_sy;
 			*surface = popup->surface;
-				return view;
+			return true;
 		}
 	}
 
@@ -271,7 +335,7 @@ struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
 			*sx = view_sx - popup_sx;
 			*sy = view_sy - popup_sy;
 			*surface = popup->surface;
-				return view;
+			return true;
 		}
 	}
 
@@ -283,16 +347,40 @@ struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
 		*sx = view_sx - sub_x;
 		*sy = view_sy - sub_y;
 		*surface = subsurface->surface;
-			return view;
+		return true;
 	}
 
 	if (wlr_box_contains_point(&box, view_sx, view_sy) &&
-				pixman_region32_contains_point(
+			pixman_region32_contains_point(&view->wlr_surface->current->input,
-					&view->wlr_surface->current->input,
 				view_sx, view_sy, NULL)) {
 		*sx = view_sx;
 		*sy = view_sy;
 		*surface = view->wlr_surface;
+		return true;
+	}
+
+	return false;
+}
+
+struct roots_view *desktop_view_at(struct roots_desktop *desktop, double lx,
+		double ly, struct wlr_surface **surface, double *sx, double *sy) {
+	struct wlr_output *wlr_output =
+		wlr_output_layout_output_at(desktop->layout, lx, ly);
+	if (wlr_output != NULL) {
+		struct roots_output *output =
+			desktop_output_from_wlr_output(desktop, wlr_output);
+		if (output != NULL && output->fullscreen_view != NULL) {
+			if (view_at(output->fullscreen_view, lx, ly, surface, sx, sy)) {
+				return output->fullscreen_view;
+			} else {
+				return NULL;
+			}
+		}
+	}
+
+	struct roots_view *view;
+	wl_list_for_each(view, &desktop->views, link) {
+		if (view_at(view, lx, ly, surface, sx, sy)) {
 			return view;
 		}
 	}
@@ -388,3 +476,14 @@ struct roots_desktop *desktop_create(struct roots_server *server,
 void desktop_destroy(struct roots_desktop *desktop) {
 	// TODO
 }
+
+struct roots_output *desktop_output_from_wlr_output(
+		struct roots_desktop *desktop, struct wlr_output *output) {
+	struct roots_output *roots_output;
+	wl_list_for_each(roots_output, &desktop->outputs, link) {
+		if (roots_output->wlr_output == output) {
+			return roots_output;
+		}
+	}
+	return NULL;
+}

rootston/keyboard.c

@@ -95,6 +95,12 @@ static void keyboard_binding_execute(struct roots_keyboard *keyboard,
 		if (focus != NULL) {
 			view_close(focus);
 		}
+	} else if (strcmp(command, "fullscreen") == 0) {
+		struct roots_view *focus = roots_seat_get_focus(seat);
+		if (focus != NULL) {
+			bool is_fullscreen = focus->fullscreen_output != NULL;
+			view_set_fullscreen(focus, !is_fullscreen, NULL);
+		}
 	} else if (strcmp(command, "next_window") == 0) {
 		roots_seat_cycle_focus(seat);
 	} else if (strncmp(exec_prefix, command, strlen(exec_prefix)) == 0) {

rootston/output.c

@@ -2,6 +2,7 @@
 #include <time.h>
 #include <stdlib.h>
 #include <stdbool.h>
+#include <GLES2/gl2.h>
 #include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_compositor.h>
 #include <wlr/types/wlr_wl_shell.h>
@@ -13,10 +14,6 @@
 #include "rootston/desktop.h"
 #include "rootston/config.h"
 
-static inline int64_t timespec_to_msec(const struct timespec *a) {
-	return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
-}
-
 /**
  * Rotate a child's position relative to a parent. The parent size is (pw, ph),
  * the child position is (*sx, *sy) and its size is (sw, sh).
@@ -75,12 +72,7 @@ static void render_surface(struct wlr_surface *surface,
 			wlr_render_with_matrix(desktop->server->renderer, surface->texture,
 				&matrix);
 
-			struct wlr_frame_callback *cb, *cnext;
+			wlr_surface_send_frame_done(surface, when);
-			wl_list_for_each_safe(cb, cnext,
-					&surface->current->frame_callback_list, link) {
-				wl_callback_send_done(cb->resource, timespec_to_msec(when));
-				wl_resource_destroy(cb->resource);
-			}
 		}
 
 		struct wlr_subsurface *subsurface;
@@ -174,6 +166,22 @@ static void render_view(struct roots_view *view, struct roots_desktop *desktop,
 	}
 }
 
+static bool has_standalone_surface(struct roots_view *view) {
+	if (!wl_list_empty(&view->wlr_surface->subsurface_list)) {
+		return false;
+	}
+
+	switch (view->type) {
+	case ROOTS_XDG_SHELL_V6_VIEW:
+		return wl_list_empty(&view->xdg_surface_v6->popups);
+	case ROOTS_WL_SHELL_VIEW:
+		return wl_list_empty(&view->wl_shell_surface->popups);
+	case ROOTS_XWAYLAND_VIEW:
+		return true;
+	}
+	return true;
+}
+
 static void output_frame_notify(struct wl_listener *listener, void *data) {
 	struct wlr_output *wlr_output = data;
 	struct roots_output *output = wl_container_of(listener, output, frame);
@@ -186,6 +194,37 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
 	wlr_output_make_current(wlr_output);
 	wlr_renderer_begin(server->renderer, wlr_output);
 
+	if (output->fullscreen_view != NULL) {
+		// Make sure the view is centered on screen
+		const struct wlr_box *output_box =
+			wlr_output_layout_get_box(desktop->layout, wlr_output);
+		struct wlr_box view_box;
+		view_get_box(output->fullscreen_view, &view_box);
+		double view_x = (double)(output_box->width - view_box.width) / 2 +
+			output_box->x;
+		double view_y = (double)(output_box->height - view_box.height) / 2 +
+			output_box->y;
+		view_move(output->fullscreen_view, view_x, view_y);
+
+		if (has_standalone_surface(output->fullscreen_view)) {
+			wlr_output_set_fullscreen_surface(wlr_output,
+				output->fullscreen_view->wlr_surface);
+		} else {
+			wlr_output_set_fullscreen_surface(wlr_output, NULL);
+
+			glClearColor(0, 0, 0, 0);
+			glClear(GL_COLOR_BUFFER_BIT);
+
+			render_view(output->fullscreen_view, desktop, wlr_output, &now);
+		}
+		wlr_renderer_end(server->renderer);
+		wlr_output_swap_buffers(wlr_output);
+		output->last_frame = desktop->last_frame = now;
+		return;
+	} else {
+		wlr_output_set_fullscreen_surface(wlr_output, NULL);
+	}
+
 	struct roots_view *view;
 	wl_list_for_each_reverse(view, &desktop->views, link) {
 		render_view(view, desktop, wlr_output, &now);

rootston/wl_shell.c

@@ -50,15 +50,24 @@ static void handle_request_resize(struct wl_listener *listener, void *data) {
 	roots_seat_begin_resize(seat, view, e->edges);
 }
 
-static void handle_request_set_maximized(struct wl_listener *listener,
+static void handle_request_maximize(struct wl_listener *listener,
 		void *data) {
 	struct roots_wl_shell_surface *roots_surface =
-		wl_container_of(listener, roots_surface, request_set_maximized);
+		wl_container_of(listener, roots_surface, request_maximize);
 	struct roots_view *view = roots_surface->view;
-	//struct wlr_wl_shell_surface_set_maximized_event *e = data;
+	//struct wlr_wl_shell_surface_maximize_event *e = data;
 	view_maximize(view, true);
 }
 
+static void handle_request_fullscreen(struct wl_listener *listener,
+		void *data) {
+	struct roots_wl_shell_surface *roots_surface =
+		wl_container_of(listener, roots_surface, request_fullscreen);
+	struct roots_view *view = roots_surface->view;
+	struct wlr_wl_shell_surface_set_fullscreen_event *e = data;
+	view_set_fullscreen(view, true, e->output);
+}
+
 static void handle_set_state(struct wl_listener *listener, void *data) {
 	struct roots_wl_shell_surface *roots_surface =
 		wl_container_of(listener, roots_surface, set_state);
@@ -68,6 +77,10 @@ static void handle_set_state(struct wl_listener *listener, void *data) {
 			surface->state != WLR_WL_SHELL_SURFACE_STATE_MAXIMIZED) {
 		view_maximize(view, false);
 	}
+	if (view->fullscreen_output != NULL &&
+			surface->state != WLR_WL_SHELL_SURFACE_STATE_FULLSCREEN) {
+		view_set_fullscreen(view, false, NULL);
+	}
 }
 
 static void handle_surface_commit(struct wl_listener *listener, void *data) {
@@ -97,7 +110,8 @@ static void handle_destroy(struct wl_listener *listener, void *data) {
 	wl_list_remove(&roots_surface->destroy.link);
 	wl_list_remove(&roots_surface->request_move.link);
 	wl_list_remove(&roots_surface->request_resize.link);
-	wl_list_remove(&roots_surface->request_set_maximized.link);
+	wl_list_remove(&roots_surface->request_maximize.link);
+	wl_list_remove(&roots_surface->request_fullscreen.link);
 	wl_list_remove(&roots_surface->set_state.link);
 	wl_list_remove(&roots_surface->surface_commit.link);
 	wl_list_remove(&roots_surface->view->link);
@@ -126,9 +140,13 @@ void handle_wl_shell_surface(struct wl_listener *listener, void *data) {
 	roots_surface->request_resize.notify = handle_request_resize;
 	wl_signal_add(&surface->events.request_resize,
 		&roots_surface->request_resize);
-	roots_surface->request_set_maximized.notify = handle_request_set_maximized;
+	roots_surface->request_maximize.notify = handle_request_maximize;
-	wl_signal_add(&surface->events.request_set_maximized,
+	wl_signal_add(&surface->events.request_maximize,
-		&roots_surface->request_set_maximized);
+		&roots_surface->request_maximize);
+	roots_surface->request_fullscreen.notify =
+		handle_request_fullscreen;
+	wl_signal_add(&surface->events.request_fullscreen,
+		&roots_surface->request_fullscreen);
 	roots_surface->set_state.notify = handle_set_state;
 	wl_signal_add(&surface->events.set_state, &roots_surface->set_state);
 	roots_surface->surface_commit.notify = handle_surface_commit;

rootston/xdg_shell_v6.c

@@ -117,6 +117,16 @@ static void maximize(struct roots_view *view, bool maximized) {
 	wlr_xdg_toplevel_v6_set_maximized(surface, maximized);
 }
 
+static void set_fullscreen(struct roots_view *view, bool fullscreen) {
+	assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
+	struct wlr_xdg_surface_v6 *surface = view->xdg_surface_v6;
+	if (surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
+		return;
+	}
+
+	wlr_xdg_toplevel_v6_set_fullscreen(surface, fullscreen);
+}
+
 static void close(struct roots_view *view) {
 	assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
 	struct wlr_xdg_surface_v6 *surface = view->xdg_surface_v6;
@@ -167,6 +177,21 @@ static void handle_request_maximize(struct wl_listener *listener, void *data) {
 	view_maximize(view, surface->toplevel_state->next.maximized);
 }
 
+static void handle_request_fullscreen(struct wl_listener *listener,
+		void *data) {
+	struct roots_xdg_surface_v6 *roots_xdg_surface =
+		wl_container_of(listener, roots_xdg_surface, request_fullscreen);
+	struct roots_view *view = roots_xdg_surface->view;
+	struct wlr_xdg_surface_v6 *surface = view->xdg_surface_v6;
+	struct wlr_xdg_toplevel_v6_set_fullscreen_event *e = data;
+
+	if (surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
+		return;
+	}
+
+	view_set_fullscreen(view, e->fullscreen, e->output);
+}
+
 static void handle_commit(struct wl_listener *listener, void *data) {
 	struct roots_xdg_surface_v6 *roots_surface =
 		wl_container_of(listener, roots_surface, commit);
@@ -239,6 +264,9 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
 	roots_surface->request_maximize.notify = handle_request_maximize;
 	wl_signal_add(&surface->events.request_maximize,
 		&roots_surface->request_maximize);
+	roots_surface->request_fullscreen.notify = handle_request_fullscreen;
+	wl_signal_add(&surface->events.request_fullscreen,
+		&roots_surface->request_fullscreen);
 
 	struct roots_view *view = calloc(1, sizeof(struct roots_view));
 	if (!view) {
@@ -254,6 +282,7 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
 	view->resize = resize;
 	view->move_resize = move_resize;
 	view->maximize = maximize;
+	view->set_fullscreen = set_fullscreen;
 	view->close = close;
 	roots_surface->view = view;
 	view_init(view, desktop);

rootston/xwayland.c

@@ -103,6 +103,13 @@ static void maximize(struct roots_view *view, bool maximized) {
 		view->xwayland_surface, maximized);
 }
 
+static void set_fullscreen(struct roots_view *view, bool fullscreen) {
+	assert(view->type == ROOTS_XWAYLAND_VIEW);
+
+	wlr_xwayland_surface_set_fullscreen(view->desktop->xwayland,
+		view->xwayland_surface, fullscreen);
+}
+
 static void handle_destroy(struct wl_listener *listener, void *data) {
 	struct roots_xwayland_surface *roots_surface =
 		wl_container_of(listener, roots_surface, destroy);
@@ -186,6 +193,16 @@ static void handle_request_maximize(struct wl_listener *listener, void *data) {
 	view_maximize(view, maximized);
 }
 
+static void handle_request_fullscreen(struct wl_listener *listener,
+		void *data) {
+	struct roots_xwayland_surface *roots_surface =
+		wl_container_of(listener, roots_surface, request_fullscreen);
+	struct roots_view *view = roots_surface->view;
+	struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
+
+	view_set_fullscreen(view, xwayland_surface->fullscreen, NULL);
+}
+
 static void handle_surface_commit(struct wl_listener *listener, void *data) {
 	struct roots_xwayland_surface *roots_surface =
 		wl_container_of(listener, roots_surface, surface_commit);
@@ -266,6 +283,9 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) {
 	roots_surface->request_maximize.notify = handle_request_maximize;
 	wl_signal_add(&surface->events.request_maximize,
 		&roots_surface->request_maximize);
+	roots_surface->request_fullscreen.notify = handle_request_fullscreen;
+	wl_signal_add(&surface->events.request_fullscreen,
+		&roots_surface->request_fullscreen);
 
 	roots_surface->surface_commit.notify = handle_surface_commit;
 	wl_signal_add(&surface->surface->events.commit,
@@ -287,6 +307,7 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) {
 	view->move = move;
 	view->move_resize = move_resize;
 	view->maximize = maximize;
+	view->set_fullscreen = set_fullscreen;
 	view->close = close;
 	roots_surface->view = view;
 	view_init(view, desktop);

types/wlr_output.c

@@ -251,6 +251,42 @@ void wlr_output_make_current(struct wlr_output *output) {
 	output->impl->make_current(output);
 }
 
+static void output_fullscreen_surface_render(struct wlr_output *output,
+		struct wlr_surface *surface, const struct timespec *when) {
+	int width, height;
+	wlr_output_effective_resolution(output, &width, &height);
+
+	int x = (width - surface->current->width) / 2;
+	int y = (height - surface->current->height) / 2;
+
+	int render_x = x * output->scale;
+	int render_y = y * output->scale;
+	int render_width = surface->current->width * output->scale;
+	int render_height = surface->current->height * output->scale;
+
+	glViewport(0, 0, output->width, output->height);
+	glClearColor(0, 0, 0, 0);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	if (!wlr_surface_has_buffer(surface)) {
+		return;
+	}
+
+	float translate[16];
+	wlr_matrix_translate(&translate, render_x, render_y, 0);
+
+	float scale[16];
+	wlr_matrix_scale(&scale, render_width, render_height, 1);
+
+	float matrix[16];
+	wlr_matrix_mul(&translate, &scale, &matrix);
+	wlr_matrix_mul(&output->transform_matrix, &matrix, &matrix);
+
+	wlr_render_with_matrix(surface->renderer, surface->texture, &matrix);
+
+	wlr_surface_send_frame_done(surface, when);
+}
+
 static void output_cursor_get_box(struct wlr_output_cursor *cursor,
 		struct wlr_box *box) {
 	box->x = cursor->x - cursor->hotspot_x;
@@ -259,7 +295,8 @@ static void output_cursor_get_box(struct wlr_output_cursor *cursor,
 	box->height = cursor->height;
 }
 
-static void output_cursor_render(struct wlr_output_cursor *cursor) {
+static void output_cursor_render(struct wlr_output_cursor *cursor,
+		const struct timespec *when) {
 	struct wlr_texture *texture = cursor->texture;
 	struct wlr_renderer *renderer = cursor->renderer;
 	if (cursor->surface != NULL) {
@@ -302,17 +339,29 @@ static void output_cursor_render(struct wlr_output_cursor *cursor) {
 	wlr_texture_get_matrix(texture, &matrix, &cursor->output->transform_matrix,
 		x, y);
 	wlr_render_with_matrix(renderer, texture, &matrix);
+
+	if (cursor->surface != NULL) {
+		wlr_surface_send_frame_done(cursor->surface, when);
+	}
 }
 
 void wlr_output_swap_buffers(struct wlr_output *output) {
 	wl_signal_emit(&output->events.swap_buffers, &output);
 
+	struct timespec now;
+	clock_gettime(CLOCK_MONOTONIC, &now);
+
+	if (output->fullscreen_surface != NULL) {
+		output_fullscreen_surface_render(output, output->fullscreen_surface,
+			&now);
+	}
+
 	struct wlr_output_cursor *cursor;
 	wl_list_for_each(cursor, &output->cursors, link) {
 		if (!cursor->enabled || output->hardware_cursor == cursor) {
 			continue;
 		}
-		output_cursor_render(cursor);
+		output_cursor_render(cursor, &now);
 	}
 
 	output->impl->swap_buffers(output);
@@ -333,6 +382,56 @@ uint32_t wlr_output_get_gamma_size(struct wlr_output *output) {
 	return output->impl->get_gamma_size(output);
 }
 
+static void output_fullscreen_surface_reset(struct wlr_output *output) {
+	if (output->fullscreen_surface != NULL) {
+		wl_list_remove(&output->fullscreen_surface_commit.link);
+		wl_list_remove(&output->fullscreen_surface_destroy.link);
+		output->fullscreen_surface = NULL;
+		output->needs_swap = true;
+	}
+}
+
+static void output_fullscreen_surface_handle_commit(
+		struct wl_listener *listener, void *data) {
+	struct wlr_output *output = wl_container_of(listener, output,
+		fullscreen_surface_commit);
+	output->needs_swap = true;
+}
+
+static void output_fullscreen_surface_handle_destroy(
+		struct wl_listener *listener, void *data) {
+	struct wlr_output *output = wl_container_of(listener, output,
+		fullscreen_surface_destroy);
+	output_fullscreen_surface_reset(output);
+}
+
+void wlr_output_set_fullscreen_surface(struct wlr_output *output,
+		struct wlr_surface *surface) {
+	// TODO: hardware fullscreen
+
+	if (output->fullscreen_surface == surface) {
+		return;
+	}
+
+	output_fullscreen_surface_reset(output);
+
+	output->fullscreen_surface = surface;
+	output->needs_swap = true;
+
+	if (surface == NULL) {
+		return;
+	}
+
+	output->fullscreen_surface_commit.notify =
+		output_fullscreen_surface_handle_commit;
+	wl_signal_add(&surface->events.commit, &output->fullscreen_surface_commit);
+	output->fullscreen_surface_destroy.notify =
+		output_fullscreen_surface_handle_destroy;
+	wl_signal_add(&surface->events.destroy,
+		&output->fullscreen_surface_destroy);
+}
+
+
 static void output_cursor_reset(struct wlr_output_cursor *cursor) {
 	if (cursor->output->hardware_cursor != cursor) {
 		cursor->output->needs_swap = true;
@@ -404,30 +503,18 @@ static void output_cursor_commit(struct wlr_output_cursor *cursor) {
 		cursor->output->needs_swap = true;
 	} else {
 		// TODO: upload pixels
-	}
-}
 
-static inline int64_t timespec_to_msec(const struct timespec *a) {
+		struct timespec now;
-	return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
+		clock_gettime(CLOCK_MONOTONIC, &now);
+		wlr_surface_send_frame_done(cursor->surface, &now);
+	}
 }
 
 static void output_cursor_handle_commit(struct wl_listener *listener,
 		void *data) {
 	struct wlr_output_cursor *cursor = wl_container_of(listener, cursor,
 		surface_commit);
-	struct wlr_surface *surface = data;
-
 	output_cursor_commit(cursor);
-
-	struct timespec now;
-	clock_gettime(CLOCK_MONOTONIC, &now);
-
-	struct wlr_frame_callback *cb, *cnext;
-	wl_list_for_each_safe(cb, cnext, &surface->current->frame_callback_list,
-			link) {
-		wl_callback_send_done(cb->resource, timespec_to_msec(&now));
-		wl_resource_destroy(cb->resource);
-	}
 }
 
 static void output_cursor_handle_destroy(struct wl_listener *listener,

types/wlr_surface.c

@@ -929,3 +929,17 @@ void wlr_surface_send_leave(struct wlr_surface *surface,
 		}
 	}
 }
+
+static inline int64_t timespec_to_msec(const struct timespec *a) {
+	return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
+}
+
+void wlr_surface_send_frame_done(struct wlr_surface *surface,
+		const struct timespec *when) {
+	struct wlr_frame_callback *cb, *cnext;
+	wl_list_for_each_safe(cb, cnext, &surface->current->frame_callback_list,
+			link) {
+		wl_callback_send_done(cb->resource, timespec_to_msec(when));
+		wl_resource_destroy(cb->resource);
+	}
+}

types/wlr_wl_shell.c

@@ -108,25 +108,17 @@ static void shell_surface_protocol_pong(struct wl_client *client,
 static void shell_surface_protocol_move(struct wl_client *client,
 		struct wl_resource *resource, struct wl_resource *seat_resource,
 		uint32_t serial) {
-	wlr_log(L_DEBUG, "got shell surface move");
 	struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
 	struct wlr_seat_client *seat =
 		wl_resource_get_user_data(seat_resource);
 
-	struct wlr_wl_shell_surface_move_event *event =
+	struct wlr_wl_shell_surface_move_event event = {
-		calloc(1, sizeof(struct wlr_wl_shell_surface_move_event));
+		.surface = surface,
-	if (event == NULL) {
+		.seat = seat,
-		wl_client_post_no_memory(client);
+		.serial = serial,
-		return;
+	};
-	}
-	event->client = client;
-	event->surface = surface;
-	event->seat = seat;
-	event->serial = serial;
 
-	wl_signal_emit(&surface->events.request_move, event);
+	wl_signal_emit(&surface->events.request_move, &event);
-
-	free(event);
 }
 
 static struct wlr_wl_shell_popup_grab *shell_popup_grab_from_seat(
@@ -174,26 +166,18 @@ static void shell_surface_destroy_popup_state(
 static void shell_surface_protocol_resize(struct wl_client *client,
 		struct wl_resource *resource, struct wl_resource *seat_resource,
 		uint32_t serial, enum wl_shell_surface_resize edges) {
-	wlr_log(L_DEBUG, "got shell surface resize");
 	struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
 	struct wlr_seat_client *seat =
 		wl_resource_get_user_data(seat_resource);
 
-	struct wlr_wl_shell_surface_resize_event *event =
+	struct wlr_wl_shell_surface_resize_event event = {
-		calloc(1, sizeof(struct wlr_wl_shell_surface_resize_event));
+		.surface = surface,
-	if (event == NULL) {
+		.seat = seat,
-		wl_client_post_no_memory(client);
+		.serial = serial,
-		return;
+		.edges = edges,
-	}
+	};
-	event->client = client;
-	event->surface = surface;
-	event->seat = seat;
-	event->serial = serial;
-	event->edges = edges;
 
-	wl_signal_emit(&surface->events.request_resize, event);
+	wl_signal_emit(&surface->events.request_resize, &event);
-
-	free(event);
 }
 
 static void shell_surface_set_state(struct wlr_wl_shell_surface *surface,
@@ -279,7 +263,6 @@ static void shell_surface_protocol_set_fullscreen(struct wl_client *client,
 		struct wl_resource *resource,
 		enum wl_shell_surface_fullscreen_method method, uint32_t framerate,
 		struct wl_resource *output_resource) {
-	wlr_log(L_DEBUG, "got shell surface fullscreen");
 	struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
 	struct wlr_output *output = NULL;
 	if (output_resource != NULL) {
@@ -289,24 +272,16 @@ static void shell_surface_protocol_set_fullscreen(struct wl_client *client,
 	shell_surface_set_state(surface, WLR_WL_SHELL_SURFACE_STATE_FULLSCREEN,
 		NULL, NULL);
 
-	struct wlr_wl_shell_surface_set_fullscreen_event *event =
+	struct wlr_wl_shell_surface_set_fullscreen_event event = {
-		calloc(1, sizeof(struct wlr_wl_shell_surface_set_fullscreen_event));
+		.surface = surface,
-	if (event == NULL) {
+		.method = method,
-		wl_client_post_no_memory(client);
+		.framerate = framerate,
-		return;
+		.output = output,
-	}
+	};
-	event->client = client;
-	event->surface = surface;
-	event->method = method;
-	event->framerate = framerate;
-	event->output = output;
 
-	wl_signal_emit(&surface->events.request_set_fullscreen, event);
+	wl_signal_emit(&surface->events.request_fullscreen, &event);
-
-	free(event);
 }
 
-
 static void shell_surface_protocol_set_popup(struct wl_client *client,
 		struct wl_resource *resource, struct wl_resource *seat_resource,
 		uint32_t serial, struct wl_resource *parent_resource, int32_t x,
@@ -368,7 +343,6 @@ static void shell_surface_protocol_set_popup(struct wl_client *client,
 
 static void shell_surface_protocol_set_maximized(struct wl_client *client,
 		struct wl_resource *resource, struct wl_resource *output_resource) {
-	wlr_log(L_DEBUG, "got shell surface maximized");
 	struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
 	struct wlr_output *output = NULL;
 	if (output_resource != NULL) {
@@ -378,19 +352,12 @@ static void shell_surface_protocol_set_maximized(struct wl_client *client,
 	shell_surface_set_state(surface, WLR_WL_SHELL_SURFACE_STATE_MAXIMIZED,
 		NULL, NULL);
 
-	struct wlr_wl_shell_surface_set_maximized_event *event =
+	struct wlr_wl_shell_surface_maximize_event event = {
-		calloc(1, sizeof(struct wlr_wl_shell_surface_set_maximized_event));
+		.surface = surface,
-	if (event == NULL) {
+		.output = output,
-		wl_client_post_no_memory(client);
+	};
-		return;
-	}
-	event->client = client;
-	event->surface = surface;
-	event->output = output;
 
-	wl_signal_emit(&surface->events.request_set_maximized, event);
+	wl_signal_emit(&surface->events.request_maximize, &event);
-
-	free(event);
 }
 
 static void shell_surface_protocol_set_title(struct wl_client *client,
@@ -545,8 +512,8 @@ static void shell_protocol_get_shell_surface(struct wl_client *client,
 	wl_signal_init(&wl_surface->events.ping_timeout);
 	wl_signal_init(&wl_surface->events.request_move);
 	wl_signal_init(&wl_surface->events.request_resize);
-	wl_signal_init(&wl_surface->events.request_set_fullscreen);
+	wl_signal_init(&wl_surface->events.request_fullscreen);
-	wl_signal_init(&wl_surface->events.request_set_maximized);
+	wl_signal_init(&wl_surface->events.request_maximize);
 	wl_signal_init(&wl_surface->events.set_state);
 	wl_signal_init(&wl_surface->events.set_title);
 	wl_signal_init(&wl_surface->events.set_class);

types/wlr_xdg_shell_v6.c

@@ -564,23 +564,15 @@ static void xdg_toplevel_protocol_show_window_menu(struct wl_client *client,
 		return;
 	}
 
-	struct wlr_xdg_toplevel_v6_show_window_menu_event *event =
+	struct wlr_xdg_toplevel_v6_show_window_menu_event event = {
-		calloc(1, sizeof(struct wlr_xdg_toplevel_v6_show_window_menu_event));
+		.surface = surface,
-	if (event == NULL) {
+		.seat = seat,
-		wl_client_post_no_memory(client);
+		.serial = serial,
-		return;
+		.x = x,
-	}
+		.y = y,
+	};
 
-	event->client = client;
+	wl_signal_emit(&surface->events.request_show_window_menu, &event);
-	event->surface = surface;
-	event->seat = seat;
-	event->serial = serial;
-	event->x = x;
-	event->y = y;
-
-	wl_signal_emit(&surface->events.request_show_window_menu, event);
-
-	free(event);
 }
 
 static void xdg_toplevel_protocol_move(struct wl_client *client,
@@ -597,21 +589,13 @@ static void xdg_toplevel_protocol_move(struct wl_client *client,
 		return;
 	}
 
-	struct wlr_xdg_toplevel_v6_move_event *event =
+	struct wlr_xdg_toplevel_v6_move_event event = {
-		calloc(1, sizeof(struct wlr_xdg_toplevel_v6_move_event));
+		.surface = surface,
-	if (event == NULL) {
+		.seat = seat,
-		wl_client_post_no_memory(client);
+		.serial = serial,
-		return;
+	};
-	}
 
-	event->client = client;
+	wl_signal_emit(&surface->events.request_move, &event);
-	event->surface = surface;
-	event->seat = seat;
-	event->serial = serial;
-
-	wl_signal_emit(&surface->events.request_move, event);
-
-	free(event);
 }
 
 static void xdg_toplevel_protocol_resize(struct wl_client *client,
@@ -628,22 +612,14 @@ static void xdg_toplevel_protocol_resize(struct wl_client *client,
 		return;
 	}
 
-	struct wlr_xdg_toplevel_v6_resize_event *event =
+	struct wlr_xdg_toplevel_v6_resize_event event = {
-		calloc(1, sizeof(struct wlr_xdg_toplevel_v6_resize_event));
+		.surface = surface,
-	if (event == NULL) {
+		.seat = seat,
-		wl_client_post_no_memory(client);
+		.serial = serial,
-		return;
+		.edges = edges,
-	}
+	};
 
-	event->client = client;
+	wl_signal_emit(&surface->events.request_resize, &event);
-	event->surface = surface;
-	event->seat = seat;
-	event->serial = serial;
-	event->edges = edges;
-
-	wl_signal_emit(&surface->events.request_resize, event);
-
-	free(event);
 }
 
 static void xdg_toplevel_protocol_set_max_size(struct wl_client *client,
@@ -677,15 +653,36 @@ static void xdg_toplevel_protocol_unset_maximized(struct wl_client *client,
 static void xdg_toplevel_protocol_set_fullscreen(struct wl_client *client,
 		struct wl_resource *resource, struct wl_resource *output_resource) {
 	struct wlr_xdg_surface_v6 *surface = wl_resource_get_user_data(resource);
+
+	struct wlr_output *output = NULL;
+	if (output_resource != NULL) {
+		output = wl_resource_get_user_data(output_resource);
+	}
+
 	surface->toplevel_state->next.fullscreen = true;
-	wl_signal_emit(&surface->events.request_fullscreen, surface);
+
+	struct wlr_xdg_toplevel_v6_set_fullscreen_event event = {
+		.surface = surface,
+		.fullscreen = true,
+		.output = output,
+	};
+
+	wl_signal_emit(&surface->events.request_fullscreen, &event);
 }
 
 static void xdg_toplevel_protocol_unset_fullscreen(struct wl_client *client,
 		struct wl_resource *resource) {
 	struct wlr_xdg_surface_v6 *surface = wl_resource_get_user_data(resource);
+
 	surface->toplevel_state->next.fullscreen = false;
-	wl_signal_emit(&surface->events.request_fullscreen, surface);
+
+	struct wlr_xdg_toplevel_v6_set_fullscreen_event event = {
+		.surface = surface,
+		.fullscreen = false,
+		.output = NULL,
+	};
+
+	wl_signal_emit(&surface->events.request_fullscreen, &event);
 }
 
 static void xdg_toplevel_protocol_set_minimized(struct wl_client *client,

xwayland/xwm.c

@@ -1345,17 +1345,15 @@ struct wlr_xwm *xwm_create(struct wlr_xwayland *wlr_xwayland) {
 
 void wlr_xwayland_surface_set_maximized(struct wlr_xwayland *wlr_xwayland,
 		struct wlr_xwayland_surface *surface, bool maximized) {
-	if (xsurface_is_maximized(surface) != maximized) {
 	surface->maximized_horz = maximized;
 	surface->maximized_vert = maximized;
 	xsurface_set_net_wm_state(surface);
-	}
+	xcb_flush(surface->xwm->xcb_conn);
 }
 
 void wlr_xwayland_surface_set_fullscreen(struct wlr_xwayland *wlr_xwayland,
 		struct wlr_xwayland_surface *surface, bool fullscreen) {
-	if (surface->fullscreen != fullscreen) {
 	surface->fullscreen = fullscreen;
 	xsurface_set_net_wm_state(surface);
-	}
+	xcb_flush(surface->xwm->xcb_conn);
 }