Use "default" XCursor instead of "left_ptr"

"left_ptr" is the legacy XCursor name. "default" is the cursor
spec name.

sway/input/cursor.c

@@ -236,7 +236,7 @@ void cursor_update_image(struct sway_cursor *cursor,
 		// Try a node's resize edge
 		enum wlr_edges edge = find_resize_edge(node->sway_container, NULL, cursor);
 		if (edge == WLR_EDGE_NONE) {
-			cursor_set_image(cursor, "left_ptr", NULL);
+			cursor_set_image(cursor, "default", NULL);
 		} else if (container_is_floating(node->sway_container)) {
 			cursor_set_image(cursor, wlr_xcursor_get_resize_name(edge), NULL);
 		} else {
@@ -247,7 +247,7 @@ void cursor_update_image(struct sway_cursor *cursor,
 			}
 		}
 	} else {
-		cursor_set_image(cursor, "left_ptr", NULL);
+		cursor_set_image(cursor, "default", NULL);
 	}
 }
 

sway/input/seat.c

@@ -671,7 +671,7 @@ static void seat_update_capabilities(struct sway_seat *seat) {
 	} else {
 		wlr_seat_set_capabilities(seat->wlr_seat, caps);
 		if ((previous_caps & WL_SEAT_CAPABILITY_POINTER) == 0) {
-			cursor_set_image(seat->cursor, "left_ptr", NULL);
+			cursor_set_image(seat->cursor, "default", NULL);
 		}
 	}
 }
@@ -1039,7 +1039,7 @@ void seat_configure_xcursor(struct sway_seat *seat) {
 
 			wlr_xcursor_manager_load(server.xwayland.xcursor_manager, 1);
 			struct wlr_xcursor *xcursor = wlr_xcursor_manager_get_xcursor(
-				server.xwayland.xcursor_manager, "left_ptr", 1);
+				server.xwayland.xcursor_manager, "default", 1);
 			if (xcursor != NULL) {
 				struct wlr_xcursor_image *image = xcursor->images[0];
 				wlr_xwayland_set_cursor(
@@ -1082,7 +1082,7 @@ void seat_configure_xcursor(struct sway_seat *seat) {
 
 	// Reset the cursor so that we apply it to outputs that just appeared
 	cursor_set_image(seat->cursor, NULL, NULL);
-	cursor_set_image(seat->cursor, "left_ptr", NULL);
+	cursor_set_image(seat->cursor, "default", NULL);
 	wlr_cursor_warp(seat->cursor->cursor, NULL, seat->cursor->cursor->x,
 		seat->cursor->cursor->y);
 }

swaybar/input.c

@@ -82,7 +82,7 @@ void update_cursor(struct swaybar_seat *seat) {
 	pointer->cursor_theme = wl_cursor_theme_load(
 		cursor_theme, cursor_size * scale, seat->bar->shm);
 	struct wl_cursor *cursor;
-	cursor = wl_cursor_theme_get_cursor(pointer->cursor_theme, "left_ptr");
+	cursor = wl_cursor_theme_get_cursor(pointer->cursor_theme, "default");
 	pointer->cursor_image = cursor->images[0];
 	wl_surface_set_buffer_scale(pointer->cursor_surface, scale);
 	wl_surface_attach(pointer->cursor_surface,

swaynag/swaynag.c

@@ -154,7 +154,7 @@ static void update_cursor(struct swaynag_seat *seat) {
 	pointer->cursor_theme = wl_cursor_theme_load(
 		cursor_theme, cursor_size * swaynag->scale, swaynag->shm);
 	struct wl_cursor *cursor =
-		wl_cursor_theme_get_cursor(pointer->cursor_theme, "left_ptr");
+		wl_cursor_theme_get_cursor(pointer->cursor_theme, "default");
 	pointer->cursor_image = cursor->images[0];
 	wl_surface_set_buffer_scale(pointer->cursor_surface,
 			swaynag->scale);