Flesh out fullscreen support a bit

sway/commands.c

@@ -224,7 +224,8 @@ int cmd_fullscreen(struct sway_config *config, int argc, char **argv) {
 	}
 
 	swayc_t *container = get_focused_container(&root_container);
-	wlc_view_set_state(container->handle, WLC_BIT_FULLSCREEN, true);
+	bool current = (wlc_view_get_state(container->handle) & WLC_BIT_FULLSCREEN) > 0;
+	wlc_view_set_state(container->handle, WLC_BIT_FULLSCREEN, !current);
 	arrange_windows(container, -1, -1);
 
 	return 1;

sway/layout.c

@@ -41,29 +41,6 @@ void arrange_windows(swayc_t *container, int width, int height) {
 		}
 		return;
 	case C_VIEW:
-		// If the view is fullscreen, we need to tell wlc to draw it as such
-		if (wlc_view_get_state(container->handle) & WLC_BIT_FULLSCREEN) {
-			swayc_t *parent = container;
-			do {
-				parent = parent->parent;
-			} while(parent->type != C_OUTPUT);
-
-			sway_log(L_DEBUG, "res %d %d", parent->width, parent->height);
-			struct wlc_geometry geometry = {
-				.origin = {
-					.x = 0,
-					.y = 0
-				},
-				.size = {
-					.w = parent->width,
-					.h = parent->height
-				}
-			};
-
-			wlc_view_set_geometry(container->handle, &geometry);
-			return;
-		}
-
 		sway_log(L_DEBUG, "Setting view to %d x %d @ %d, %d", width, height, container->x, container->y);
 		struct wlc_geometry geometry = {
 			.origin = {
@@ -75,9 +52,21 @@ void arrange_windows(swayc_t *container, int width, int height) {
 				.h = height
 			}
 		};
-		wlc_view_set_geometry(container->handle, &geometry);
-		container->width = width;
-		container->height = height;
+		if (wlc_view_get_state(container->handle) & WLC_BIT_FULLSCREEN) {
+			swayc_t *parent = container;
+			while(parent->type != C_OUTPUT) {
+				parent = parent->parent;
+			}
+			geometry.origin.x = 0;
+			geometry.origin.y = 0;
+			geometry.size.w = parent->width;
+			geometry.size.h = parent->height;
+			wlc_view_set_geometry(container->handle, &geometry);
+		} else {
+			wlc_view_set_geometry(container->handle, &geometry);
+			container->width = width;
+			container->height = height;
+		}
 		return;
 	default:
 		container->width = width;