xdg-decoration support

include/waybox/cursor.h

@@ -1,10 +1,9 @@
-#ifndef CURSOR_H
+#ifndef _WB_CURSOR_H
-#define CURSOR_H
+#define _WB_CURSOR_H
-#include <wayland-server.h>
 #include <wlr/types/wlr_cursor.h>
 #include <wlr/types/wlr_xcursor_manager.h>
 
-#include "waybox/server.h"
+struct wb_server;
 
 enum wb_cursor_mode {
 	WB_CURSOR_PASSTHROUGH,
@@ -32,4 +31,4 @@ struct wb_cursor {
 struct wb_cursor *wb_cursor_create(struct wb_server *server);
 void wb_cursor_destroy(struct wb_cursor *cursor);
 
-#endif // cursor.h
+#endif /* cursor.h */

include/waybox/output.h

@@ -1,5 +1,5 @@
-#ifndef OUTPUT_H
+#ifndef _WB_OUTPUT_H
-#define OUTPUT_H
+#define _WB_OUTPUT_H
 
 #ifndef _POSIX_C_SOURCE
 #define _POSIX_C_SOURCE 200112L
@@ -45,4 +45,4 @@ void output_frame_notify(struct wl_listener* listener, void *data);
 void output_destroy_notify(struct wl_listener* listener, void *data);
 void new_output_notify(struct wl_listener* listener, void *data);
 
-#endif // output.h
+#endif /* output.h */

include/waybox/seat.h

@@ -6,7 +6,7 @@
 #include <wlr/types/wlr_primary_selection_v1.h>
 #include <wlr/types/wlr_seat.h>
 
-#include "waybox/server.h"
+struct wb_server;
 
 struct wb_seat {
 	struct wlr_seat *seat;

include/waybox/server.h

@@ -1,5 +1,5 @@
-#ifndef SERVER_H
+#ifndef _WB_SERVER_H
-#define SERVER_H
+#define _WB_SERVER_H
 
 #ifndef _POSIX_C_SOURCE
 #define _POSIX_C_SOURCE 200112L
@@ -25,38 +25,40 @@
 #include <locale.h>
 #define _ gettext
 
-#include "waybox/output.h"
 #include "waybox/cursor.h"
+#include "decoration.h"
+#include "waybox/output.h"
 #include "waybox/seat.h"
 
 struct wb_server {
 	struct wl_display *wl_display;
 
+	struct wlr_allocator *allocator;
 	struct wlr_backend *backend;
 	struct wlr_compositor *compositor;
-	struct wlr_renderer *renderer;
-	struct wlr_allocator *allocator;
-
 	struct wlr_output_layout *layout;
+	struct wlr_renderer *renderer;
+
 	struct wb_cursor *cursor;
 	struct wb_seat *seat;
 
 	struct wb_view *grabbed_view;
-	double grab_x, grab_y;
 	struct wlr_box grab_geo_box;
+	double grab_x, grab_y;
 	uint32_t resize_edges;
+	struct wl_list views;
 
 	struct wlr_xdg_shell *xdg_shell;
 	struct wl_listener new_xdg_surface;
-	struct wl_list views;
+	struct wl_listener new_xdg_decoration;
 
-	struct wl_listener new_output;
 	struct wl_listener new_input;
-	struct wl_list outputs; // wb_output::link
+	struct wl_listener new_output;
+	struct wl_list outputs; /* wb_output::link */
 };
 
 bool wb_create_backend(struct wb_server* server);
 bool wb_start_server(struct wb_server* server);
 bool wb_terminate(struct wb_server* server);
 
-#endif // server.h
+#endif /* server.h */

include/waybox/xdg_shell.h

@@ -1,3 +1,6 @@
+#ifndef _WB_XDG_SHELL_H
+#define _WB_XDG_SHELL_H
+
 #include "waybox/server.h"
 
 void init_xdg_shell(struct wb_server *server);
@@ -5,3 +8,4 @@ void focus_view(struct wb_view *view, struct wlr_surface *surface);
 struct wb_view *desktop_view_at(
 		struct wb_server *server, double lx, double ly,
 		struct wlr_surface **surface, double *sx, double *sy);
+#endif

waybox/decoration.c

@@ -0,0 +1,43 @@
+#include "decoration.h"
+
+static void destroy_xdg_toplevel_decoration(struct wl_listener *listener, void *data)
+{
+	struct wb_decoration *decoration = wl_container_of(listener, decoration, toplevel_decoration_destroy);
+	wl_list_remove(&decoration->toplevel_decoration_destroy.link);
+	free(decoration);
+}
+
+static void free_xdg_decoration_mode(struct wl_listener *listener, void *data)
+{
+	struct wb_decoration *decoration = wl_container_of(listener, decoration, mode_destroy);
+	wl_list_remove(&decoration->mode_destroy.link);
+	wl_list_remove(&decoration->request_mode.link);
+}
+
+static void handle_xdg_decoration_mode(struct wl_listener *listener, void *data)
+{
+	struct wlr_xdg_toplevel_decoration_v1 *toplevel_decoration = data;
+	wlr_xdg_toplevel_decoration_v1_set_mode(toplevel_decoration, WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE);
+}
+
+static void handle_new_xdg_toplevel_decoration(struct wl_listener *listener, void *data)
+{
+	struct wb_decoration *decoration = (struct wb_decoration *) calloc(1, sizeof(struct wb_decoration));
+	handle_xdg_decoration_mode(&decoration->request_mode, data);
+	struct wb_server *server = wl_container_of(listener, server, new_xdg_decoration);
+	decoration->server = server;
+	struct wlr_xdg_toplevel_decoration_v1 *toplevel_decoration = data;
+	decoration->toplevel_decoration_destroy.notify = destroy_xdg_toplevel_decoration;
+	wl_signal_add(&toplevel_decoration->manager->events.destroy, &decoration->toplevel_decoration_destroy);
+	decoration->request_mode.notify = handle_xdg_decoration_mode;
+	wl_signal_add(&toplevel_decoration->events.request_mode, &decoration->request_mode);
+	decoration->mode_destroy.notify = free_xdg_decoration_mode;
+	wl_signal_add(&toplevel_decoration->events.destroy, &decoration->mode_destroy);
+}
+
+void init_xdg_decoration(struct wb_server *server)
+{
+	struct wlr_xdg_decoration_manager_v1 *decoration = wlr_xdg_decoration_manager_v1_create(server->wl_display);
+	server->new_xdg_decoration.notify = handle_new_xdg_toplevel_decoration;
+	wl_signal_add(&decoration->events.new_toplevel_decoration, &server->new_xdg_decoration);
+}

waybox/decoration.h

@@ -0,0 +1,20 @@
+#ifndef _WB_DECORATION_H
+#define _WB_DECORATION_H
+
+#include <wlr/types/wlr_xdg_decoration_v1.h>
+
+#include "waybox/server.h"
+
+struct wb_decoration {
+	struct wb_server *server;
+	struct wlr_xdg_decoration_manager_v1 *decoration_manager;
+	struct wlr_xdg_toplevel_decoration_v1 *toplevel_decoration;
+
+	struct wl_listener toplevel_decoration_destroy;
+	struct wl_listener request_mode;
+	struct wl_listener mode_destroy;
+	int yes;
+};
+
+void init_xdg_decoration(struct wb_server *server);
+#endif

waybox/main.c

@@ -1,6 +1,5 @@
 #include <stdio.h>
 #include <unistd.h>
-#include <wayland-server.h>
 
 #include "waybox/server.h"
 

waybox/meson.build

@@ -1,5 +1,6 @@
 wb_src = files(
   'cursor.c',
+  'decoration.c',
   'main.c',
   'output.c',
   'seat.c',

waybox/server.c

@@ -69,6 +69,7 @@ bool wb_start_server(struct wb_server* server) {
 
 	wlr_data_device_manager_create(server->wl_display);
 	wl_list_init(&server->views);
+	init_xdg_decoration(server);
 	init_xdg_shell(server);
 
 	return true;
@@ -76,6 +77,7 @@ bool wb_start_server(struct wb_server* server) {
 
 bool wb_terminate(struct wb_server* server) {
 	wb_cursor_destroy(server->cursor);
+	wl_list_remove(&server->new_xdg_decoration.link); /* wb_decoration_destroy */
 	wb_seat_destroy(server->seat);
 	wl_display_destroy_clients(server->wl_display);
 	wl_display_destroy(server->wl_display);

waybox/xdg_shell.c

@@ -86,7 +86,7 @@ static void begin_interactive(struct wb_view *view,
 	struct wb_server *server = view->server;
 	struct wlr_surface *focused_surface =
 		server->seat->seat->pointer_state.focused_surface;
-	if (view->xdg_surface->surface != focused_surface) {
+	if (view->xdg_surface->surface != wlr_surface_get_root_surface(focused_surface)) {
 		/* Deny move/resize requests from unfocused clients. */
 		return;
 	}