react to wlroots changes

include/waybox/server.h

@@ -54,6 +54,7 @@ struct wb_server {
 	struct wlr_renderer *renderer;
 	struct wlr_scene *scene;
 	struct wlr_scene_output_layout *scene_layout;
+	struct wlr_session *session;
 	struct wlr_subcompositor *subcompositor;
 	struct wlr_output_manager_v1 *wlr_output_manager;
 

include/waybox/xdg_shell.h

@@ -1,10 +1,17 @@
 #ifndef _WB_XDG_SHELL_H
 #define _WB_XDG_SHELL_H
 
+#include <wlr/types/wlr_fractional_scale_v1.h>
+
 #include "waybox/server.h"
 
+struct wb_popup {
+	struct wlr_xdg_popup *xdg_popup;
+	struct wl_listener commit;
+	struct wl_listener destroy;
+};
+
 struct wb_toplevel {
-	struct wl_list link;
 	struct wb_server *server;
 	struct wlr_xdg_toplevel *xdg_toplevel;
 	struct wlr_scene_tree *scene_tree;
@@ -13,6 +20,7 @@ struct wb_toplevel {
 
 	struct wl_listener map;
 	struct wl_listener unmap;
+	struct wl_listener commit;
 	struct wl_listener destroy;
 	struct wl_listener new_popup;
 	struct wl_listener request_fullscreen;
@@ -23,6 +31,8 @@ struct wb_toplevel {
 
 	struct wlr_box geometry;
 	struct wlr_box previous_geometry;
+
+	struct wl_list link;
 };
 
 void init_xdg_shell(struct wb_server *server);

meson.build

@@ -15,6 +15,7 @@ add_project_arguments(
   '-Wno-unused-parameter',
   '-D_DEFAULT_SOURCE',
   '-D_POSIX_C_SOURCE=200112L',
+  '-DWL_HIDE_DEPRECATED', # Hide the deprecated parts of the Wayland API
   '-DWLR_USE_UNSTABLE',
   '-DPACKAGE_NAME="' + meson.project_name() + '"',
   '-DPACKAGE_VERSION="' + meson.project_version() + '"',

waybox/layer_shell.c

@@ -111,6 +111,7 @@ static void handle_surface_commit(struct wl_listener *listener, void *data) {
 	if (!surface->output || current_toplevel->xdg_toplevel->current.fullscreen) {
 		return;
 	}
+	wlr_fractional_scale_v1_notify_scale(surface->scene->layer_surface->surface, surface->output->wlr_output->scale);
 
 	struct wlr_layer_surface_v1 *layer_surface = surface->scene->layer_surface;
 	uint32_t committed = layer_surface->current.committed;
@@ -183,6 +184,8 @@ static void wb_layer_surface_destroy(struct wb_layer_surface *surface) {
 		return;
 	}
 
+	wlr_fractional_scale_v1_notify_scale(surface->scene->layer_surface->surface, surface->output->wlr_output->scale);
+
 	wl_list_remove(&surface->map.link);
 	wl_list_remove(&surface->unmap.link);
 	wl_list_remove(&surface->surface_commit.link);

waybox/output.c

@@ -21,7 +21,6 @@ void output_frame_notify(struct wl_listener *listener, void *data) {
 		struct wlr_gamma_control_v1 *gamma_control =
 			wlr_gamma_control_manager_v1_get_control(output->server->gamma_control_manager,
 					output->wlr_output);
-#if WLR_CHECK_VERSION(0, 18, 0)
 		struct wlr_output_state pending;
 		if (!wlr_scene_output_build_state(scene_output, &pending, NULL))
 			return;
@@ -38,16 +37,6 @@ void output_frame_notify(struct wl_listener *listener, void *data) {
 		}
 
 		wlr_output_state_finish(&pending);
-#else
-		if (!wlr_gamma_control_v1_apply(gamma_control, &output->wlr_output->pending)) {
-			return;
-		}
-
-		if (!wlr_output_test(output->wlr_output)) {
-			wlr_output_rollback(output->wlr_output);
-			wlr_gamma_control_v1_send_failed_and_destroy(gamma_control);
-		}
-#endif
 	}
 
 	/* Render the scene if needed and commit the output */

waybox/seat.c

@@ -58,18 +58,17 @@ static bool handle_keybinding(struct wb_server *server, xkb_keysym_t sym, uint32
 	 * Returns true if the keybinding is handled, false to send it to the
 	 * client.
 	 */
-	
-	struct wlr_session *session = wlr_backend_get_session (server->backend);
-	
+
+	/* TODO: Make these configurable through rc.xml */
 	if (modifiers & (WLR_MODIFIER_CTRL|WLR_MODIFIER_ALT) &&
 		sym >= XKB_KEY_XF86Switch_VT_1 &&
 		sym <= XKB_KEY_XF86Switch_VT_12) {
 		unsigned int vt = sym - XKB_KEY_XF86Switch_VT_1 + 1;
-		wlr_session_change_vt (session, vt);
-			
+		wlr_session_change_vt (server->session, vt);
+
 		return true;
 	}
-												      
+
 	if (!server->config) {
 		/* Some default key bindings, when the rc.xml file can't be
 		 * parsed. */

waybox/server.c

@@ -1,3 +1,5 @@
+#include <wlr/types/wlr_fractional_scale_v1.h>
+
 #include "idle.h"
 #include "waybox/server.h"
 #include "waybox/xdg_shell.h"
@@ -22,9 +24,9 @@ bool wb_create_backend(struct wb_server* server) {
 	 * backend based on the current environment, such as opening an X11 window
 	 * if an X11 server is running. */
 #if WLR_CHECK_VERSION(0, 18, 0)
-	server->backend = wlr_backend_autocreate(server->wl_event_loop, NULL);
+	server->backend = wlr_backend_autocreate(server->wl_event_loop, &server->session);
 #else
-	server->backend = wlr_backend_autocreate(server->wl_display, NULL);
+	server->backend = wlr_backend_autocreate(server->wl_display, &server->session);
 #endif
 	if (server->backend == NULL) {
 		wlr_log(WLR_ERROR, "%s", _("Failed to create backend"));
@@ -120,6 +122,8 @@ bool wb_start_server(struct wb_server* server) {
 	 */
 	init_xdg_shell(server);
 
+	wlr_fractional_scale_manager_v1_create(server->wl_display, 1);
+
 	return true;
 }
 

waybox/xdg_shell.c

@@ -145,12 +145,43 @@ static void xdg_toplevel_unmap(struct wl_listener *listener, void *data) {
 	}
 }
 
+static void update_fractional_scale(struct wlr_surface *surface) {
+	float scale = 1;
+	struct wlr_surface_output *surface_output;
+	wl_list_for_each(surface_output, &surface->current_outputs, link) {
+		if (surface_output->output->scale > scale) {
+			scale = surface_output->output->scale;
+		}
+	}
+	wlr_fractional_scale_v1_notify_scale(surface, scale);
+	wlr_surface_set_preferred_buffer_scale(surface, (int) scale);
+}
+
+static void xdg_toplevel_commit(struct wl_listener *listener, void *data) {
+	struct wb_toplevel *toplevel = wl_container_of(listener, toplevel, commit);
+	struct wlr_xdg_surface *base = toplevel->xdg_toplevel->base;
+
+	struct wlr_output *output = get_active_output(toplevel);
+	wlr_surface_send_enter(base->surface, output);
+	update_fractional_scale(base->surface);
+
+	if (base->initial_commit) {
+		wlr_xdg_toplevel_set_size(toplevel->xdg_toplevel, 0, 0);
+	}
+}
+
 static void xdg_toplevel_destroy(struct wl_listener *listener, void *data) {
 	/* Called when the xdg_toplevel is destroyed and should never be shown again. */
 	struct wb_toplevel *toplevel = wl_container_of(listener, toplevel, destroy);
 
+	struct wlr_output *output = get_active_output(toplevel);
+	struct wlr_xdg_surface *base = toplevel->xdg_toplevel->base;
+	wlr_surface_send_leave(base->surface, output);
+	update_fractional_scale(base->surface);
+
 	wl_list_remove(&toplevel->map.link);
 	wl_list_remove(&toplevel->unmap.link);
+	wl_list_remove(&toplevel->commit.link);
 	wl_list_remove(&toplevel->destroy.link);
 	wl_list_remove(&toplevel->new_popup.link);
 
@@ -297,6 +328,25 @@ static void xdg_toplevel_request_resize(
 	begin_interactive(toplevel, WB_CURSOR_RESIZE, event->edges);
 }
 
+static void xdg_popup_commit(struct wl_listener *listener, void *data) {
+	struct wb_popup *popup = wl_container_of(listener, popup, commit);
+	struct wlr_xdg_surface *base = popup->xdg_popup->base;
+
+	if (base->initial_commit) {
+		update_fractional_scale(base->surface);
+		wlr_xdg_surface_schedule_configure(base);
+	}
+}
+
+static void xdg_popup_destroy(struct wl_listener *listener, void *data) {
+	struct wb_popup *popup = wl_container_of(listener, popup, destroy);
+	update_fractional_scale(popup->xdg_popup->base->surface);
+
+	wl_list_remove(&popup->commit.link);
+	wl_list_remove(&popup->destroy.link);
+	free(popup);
+}
+
 static void handle_new_popup(struct wl_listener *listener, void *data) {
 	struct wlr_xdg_popup *popup = data;
 	struct wb_toplevel *toplevel = wl_container_of(listener, toplevel, new_popup);
@@ -336,6 +386,17 @@ static void handle_new_xdg_popup(struct wl_listener *listener, void *data) {
 		xdg_popup->base->data = wlr_scene_xdg_surface_create(
 			parent_tree, xdg_popup->base);
 	}
+
+	struct wb_popup *popup = calloc(1, sizeof(struct wb_popup));
+	popup->commit.notify = xdg_popup_commit;
+	wl_signal_add(&xdg_popup->base->surface->events.commit, &popup->commit);
+
+	popup->destroy.notify = xdg_popup_destroy;
+#if WLR_CHECK_VERSION (0, 18, 0)
+	wl_signal_add(&xdg_popup->events.destroy, &popup->destroy);
+#else
+	wl_signal_add(&xdg_popup->base->events.destroy, &popup->destroy);
+#endif
 }
 
 static void handle_new_xdg_toplevel(struct wl_listener *listener, void *data) {
@@ -358,6 +419,8 @@ static void handle_new_xdg_toplevel(struct wl_listener *listener, void *data) {
 	wl_signal_add(&xdg_toplevel->base->surface->events.map, &toplevel->map);
 	toplevel->unmap.notify = xdg_toplevel_unmap;
 	wl_signal_add(&xdg_toplevel->base->surface->events.unmap, &toplevel->unmap);
+	toplevel->commit.notify = xdg_toplevel_commit;
+	wl_signal_add(&xdg_toplevel->base->surface->events.commit, &toplevel->commit);
 	toplevel->destroy.notify = xdg_toplevel_destroy;
 #if WLR_CHECK_VERSION (0, 18, 0)
 	wl_signal_add(&xdg_toplevel->events.destroy, &toplevel->destroy);