swaybar: Implement wp_cursor_shape_v1

include/swaybar/bar.h

@@ -4,6 +4,7 @@
 #include "config.h"
 #include "input.h"
 #include "pool-buffer.h"
+#include "cursor-shape-v1-client-protocol.h"
 #include "wlr-layer-shell-unstable-v1-client-protocol.h"
 #include "xdg-output-unstable-v1-client-protocol.h"
 
@@ -30,6 +31,7 @@ struct swaybar {
 	struct wl_compositor *compositor;
 	struct zwlr_layer_shell_v1 *layer_shell;
 	struct zxdg_output_manager_v1 *xdg_output_manager;
+	struct wp_cursor_shape_manager_v1 *cursor_shape_manager;
 	struct wl_shm *shm;
 
 	struct swaybar_config *config;

swaybar/bar.c

@@ -362,6 +362,9 @@ static void handle_global(void *data, struct wl_registry *registry,
 	} else if (strcmp(interface, zxdg_output_manager_v1_interface.name) == 0) {
 		bar->xdg_output_manager = wl_registry_bind(registry, name,
 			&zxdg_output_manager_v1_interface, 2);
+	} else if (strcmp(interface, wp_cursor_shape_manager_v1_interface.name) == 0) {
+		bar->cursor_shape_manager = wl_registry_bind(registry, name,
+			&wp_cursor_shape_manager_v1_interface, 1);
 	}
 }
 
@@ -425,15 +428,17 @@ bool bar_setup(struct swaybar *bar, const char *socket_path) {
 	// Second roundtrip for xdg-output
 	wl_display_roundtrip(bar->display);
 
-	struct swaybar_seat *seat;
-	wl_list_for_each(seat, &bar->seats, link) {
-		struct swaybar_pointer *pointer = &seat->pointer;
-		if (!pointer) {
-			continue;
+	if (!bar->cursor_shape_manager) {
+		struct swaybar_seat *seat;
+		wl_list_for_each(seat, &bar->seats, link) {
+			struct swaybar_pointer *pointer = &seat->pointer;
+			if (!pointer) {
+				continue;
+			}
+			pointer->cursor_surface =
+				wl_compositor_create_surface(bar->compositor);
+			assert(pointer->cursor_surface);
 		}
-		pointer->cursor_surface =
-			wl_compositor_create_surface(bar->compositor);
-		assert(pointer->cursor_surface);
 	}
 
 	if (bar->config->status_command) {

swaybar/input.c

@@ -111,7 +111,7 @@ static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer,
 	struct swaybar_pointer *pointer = &seat->pointer;
 	seat->pointer.x = wl_fixed_to_double(surface_x);
 	seat->pointer.y = wl_fixed_to_double(surface_y);
-	pointer->serial = serial;
+
 	struct swaybar_output *output;
 	wl_list_for_each(output, &seat->bar->outputs, link) {
 		if (output->surface == surface) {
@@ -119,7 +119,18 @@ static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer,
 			break;
 		}
 	}
-	update_cursor(seat);
+
+	if (seat->bar->cursor_shape_manager) {
+		struct wp_cursor_shape_device_v1 *device =
+			wp_cursor_shape_manager_v1_get_pointer(
+				seat->bar->cursor_shape_manager, wl_pointer);
+		wp_cursor_shape_device_v1_set_shape(device, serial,
+			WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_DEFAULT);
+		wp_cursor_shape_device_v1_destroy(device);
+	} else {
+		pointer->serial = serial;
+		update_cursor(seat);
+	}
 }
 
 static void wl_pointer_leave(void *data, struct wl_pointer *wl_pointer,