examples, tinywl: use "default" cursor instead of "left_ptr"

"left_ptr" is the X11 name, "default" is the cursor spec name.

examples/layer-shell.c

@@ -615,14 +615,14 @@ int main(int argc, char **argv) {
 	struct wl_cursor *cursor =
 		wl_cursor_theme_get_cursor(cursor_theme, "crosshair");
 	if (cursor == NULL) {
-		cursor = wl_cursor_theme_get_cursor(cursor_theme, "left_ptr");
+		cursor = wl_cursor_theme_get_cursor(cursor_theme, "default");
 	}
 	assert(cursor);
 	cursor_image = cursor->images[0];
 
 	cursor = wl_cursor_theme_get_cursor(cursor_theme, "tcross");
 	if (cursor == NULL) {
-		cursor = wl_cursor_theme_get_cursor(cursor_theme, "left_ptr");
+		cursor = wl_cursor_theme_get_cursor(cursor_theme, "default");
 	}
 	assert(cursor);
 	popup_cursor_image = cursor->images[0];

examples/multi-pointer.c

@@ -298,9 +298,9 @@ int main(int argc, char *argv[]) {
 		wlr_log(WLR_ERROR, "Failed to load cursor theme");
 		return 1;
 	}
-	state.xcursor = wlr_xcursor_theme_get_cursor(theme, "left_ptr");
+	state.xcursor = wlr_xcursor_theme_get_cursor(theme, "default");
 	if (!state.xcursor) {
-		wlr_log(WLR_ERROR, "Failed to load left_ptr cursor");
+		wlr_log(WLR_ERROR, "Failed to load default cursor");
 		return 1;
 	}
 

examples/pointer.c

@@ -266,7 +266,7 @@ static void new_output_notify(struct wl_listener *listener, void *data) {
 	wlr_output_layout_add_auto(sample->layout, sample_output->output);
 
 	wlr_xcursor_manager_load(sample->xcursor_manager, output->scale);
-	wlr_xcursor_manager_set_cursor_image(sample->xcursor_manager, "left_ptr",
+	wlr_xcursor_manager_set_cursor_image(sample->xcursor_manager, "default",
 		sample->cursor);
 
 	struct wlr_output_mode *mode = wlr_output_preferred_mode(output);
@@ -388,11 +388,11 @@ int main(int argc, char *argv[]) {
 
 	state.xcursor_manager = wlr_xcursor_manager_create("default", 24);
 	if (!state.xcursor_manager) {
-		wlr_log(WLR_ERROR, "Failed to load left_ptr cursor");
+		wlr_log(WLR_ERROR, "Failed to load default cursor");
 		return 1;
 	}
 
-	wlr_xcursor_manager_set_cursor_image(state.xcursor_manager, "left_ptr",
+	wlr_xcursor_manager_set_cursor_image(state.xcursor_manager, "default",
 		state.cursor);
 
 	clock_gettime(CLOCK_MONOTONIC, &state.last_frame);

include/wlr/xcursor.h

@@ -105,7 +105,7 @@ struct wlr_xcursor_theme *wlr_xcursor_theme_load(const char *name, int size);
 void wlr_xcursor_theme_destroy(struct wlr_xcursor_theme *theme);
 
 /**
- * Obtain a cursor for the specified name (e.g. "left_ptr").
+ * Obtain a cursor for the specified name (e.g. "default").
  *
  * If the cursor could not be found, NULL is returned.
  */

tinywl/tinywl.c

@@ -450,7 +450,7 @@ static void process_cursor_motion(struct tinywl_server *server, uint32_t time) {
 		 * default. This is what makes the cursor image appear when you move it
 		 * around the screen, not over any views. */
 		wlr_xcursor_manager_set_cursor_image(
-				server->cursor_mgr, "left_ptr", server->cursor);
+				server->cursor_mgr, "default", server->cursor);
 	}
 	if (surface) {
 		/*