window.c: Add fullscreen handler to keep fullscreen state consistent
diff --git a/clients/terminal.c b/clients/terminal.c
index 7e7a9fb..dd35ceb 100644
--- a/clients/terminal.c
+++ b/clients/terminal.c
@@ -2057,6 +2057,15 @@
 	data_source_cancelled
 };
 
+static void
+fullscreen_handler(struct window *window, void *data)
+{
+	struct terminal *terminal = data;
+
+	terminal->fullscreen ^= 1;
+	window_set_fullscreen(window, terminal->fullscreen);
+}
+
 static int
 handle_bound_key(struct terminal *terminal,
 		 struct input *input, uint32_t sym, uint32_t time)
@@ -2115,13 +2124,6 @@
 		return;
 
 	switch (sym) {
-	case XKB_KEY_F11:
-		if (state == WL_KEYBOARD_KEY_STATE_RELEASED)
-			break;
-		terminal->fullscreen ^= 1;
-		window_set_fullscreen(window, terminal->fullscreen);
-		break;
-
 	case XKB_KEY_BackSpace:
 		if (modifiers & MOD_ALT_MASK)
 			ch[len++] = 0x1b;
@@ -2457,6 +2459,8 @@
 	window_set_key_handler(terminal->window, key_handler);
 	window_set_keyboard_focus_handler(terminal->window,
 					  keyboard_focus_handler);
+	window_set_fullscreen_handler(terminal->window, fullscreen_handler);
+
 	widget_set_redraw_handler(terminal->widget, redraw_handler);
 	widget_set_resize_handler(terminal->widget, resize_handler);
 	widget_set_button_handler(terminal->widget, button_handler);
diff --git a/clients/view.c b/clients/view.c
index ee861e4..b40a992 100644
--- a/clients/view.c
+++ b/clients/view.c
@@ -159,6 +159,15 @@
 }
 
 static void
+fullscreen_handler(struct window *window, void *data)
+{
+	struct view *view = data;
+
+	view->fullscreen ^= 1;
+	window_set_fullscreen(window, view->fullscreen);
+}
+
+static void
 key_handler(struct window *window, struct input *input, uint32_t time,
 	    uint32_t key, uint32_t unicode,
 	    enum wl_keyboard_key_state state, void *data)
@@ -169,10 +178,6 @@
 	        return;
 
 	switch (key) {
-	case KEY_F11:
-		view->fullscreen ^= 1;
-		window_set_fullscreen(window, view->fullscreen);
-		break;
 	case KEY_SPACE:
 	case KEY_PAGEDOWN:
 	case KEY_RIGHT:
@@ -238,6 +243,8 @@
 	window_set_key_handler(view->window, key_handler);
 	window_set_keyboard_focus_handler(view->window,
 					  keyboard_focus_handler);
+	window_set_fullscreen_handler(view->window, fullscreen_handler);
+
 	widget_set_button_handler(view->widget, button_handler);
 	widget_set_resize_handler(view->widget, resize_handler);
 	widget_set_redraw_handler(view->widget, redraw_handler);
diff --git a/clients/window.c b/clients/window.c
index d374ab9..186eed9 100644
--- a/clients/window.c
+++ b/clients/window.c
@@ -157,6 +157,7 @@
 	window_data_handler_t data_handler;
 	window_drop_handler_t drop_handler;
 	window_close_handler_t close_handler;
+	window_fullscreen_handler_t fullscreen_handler;
 
 	struct frame *frame;
 	struct widget *widget;
@@ -1560,7 +1561,8 @@
 		break;
 	case 1: /* fullscreen */
 		/* we don't have a way to get out of fullscreen for now */
-		window_set_fullscreen(window, 1);
+		if (window->fullscreen_handler)
+			window->fullscreen_handler(window, window->user_data);
 		break;
 	case 2: /* rotate */
 	case 3: /* scale */
@@ -1886,6 +1888,10 @@
 		if (state == WL_KEYBOARD_KEY_STATE_PRESSED)
 			window_set_maximized(window,
 					     window->type != TYPE_MAXIMIZED);
+	} else if (sym == XKB_KEY_F11 &&
+		   window->fullscreen_handler &&
+		   state == WL_KEYBOARD_KEY_STATE_PRESSED) {
+		window->fullscreen_handler(window, window->user_data);
 	} else if (window->key_handler) {
 		(*window->key_handler)(window, input, time, key,
 				       sym, state, window->user_data);
@@ -2837,6 +2843,13 @@
 }
 
 void
+window_set_fullscreen_handler(struct window *window,
+			      window_fullscreen_handler_t handler)
+{
+	window->fullscreen_handler = handler;
+}
+
+void
 window_set_title(struct window *window, const char *title)
 {
 	free(window->title);
diff --git a/clients/window.h b/clients/window.h
index de38647..da18932 100644
--- a/clients/window.h
+++ b/clients/window.h
@@ -176,6 +176,7 @@
 				      int32_t x, int32_t y, void *data);
 
 typedef void (*window_close_handler_t)(struct window *window, void *data);
+typedef void (*window_fullscreen_handler_t)(struct window *window, void *data);
 
 typedef void (*widget_resize_handler_t)(struct widget *widget,
 					int32_t width, int32_t height,
@@ -303,6 +304,9 @@
 void
 window_set_close_handler(struct window *window,
 			 window_close_handler_t handler);
+void
+window_set_fullscreen_handler(struct window *window,
+			      window_fullscreen_handler_t handler);
 
 void
 window_set_title(struct window *window, const char *title);