Don't show "Drawing rect" when not actually drawing

Author: KoBeWi

editor/plugins/tiles/tile_map_layer_editor.cpp

@@ -800,6 +800,7 @@ void TileMapLayerEditorTilesPlugin::forward_canvas_draw_over_viewport(Control *p
 	Transform2D xform = CanvasItemEditor::get_singleton()->get_canvas_transform() * edited_layer->get_global_transform_with_canvas();
 	Vector2 mpos = edited_layer->get_local_mouse_position();
 	Vector2i tile_shape_size = tile_set->get_tile_size();
+	bool drawing_rect = false;
 
 	// Draw the selection.
 	if ((tiles_bottom_panel->is_visible_in_tree() || patterns_bottom_panel->is_visible_in_tree()) && tool_buttons_group->get_pressed_button() == select_tool_button) {
@@ -893,6 +894,7 @@ void TileMapLayerEditorTilesPlugin::forward_canvas_draw_over_viewport(Control *p
 			} else if (drag_type == DRAG_TYPE_RECT) {
 				// Preview for a rect pattern.
 				preview = _draw_rect(tile_set->local_to_map(drag_start_mouse_pos), tile_set->local_to_map(mpos), drag_erasing);
+				drawing_rect = !preview.is_empty();
 				expand_grid = true;
 			} else if (tool_buttons_group->get_pressed_button() == bucket_tool_button && drag_type == DRAG_TYPE_NONE) {
 				// Preview for a fill pattern.
@@ -1003,7 +1005,7 @@ void TileMapLayerEditorTilesPlugin::forward_canvas_draw_over_viewport(Control *p
 		Point2 msgpos = Point2(20 * EDSCALE, p_overlay->get_size().y - 20 * EDSCALE);
 
 		String text = tile_set->local_to_map(edited_layer->get_local_mouse_position());
-		if (drag_type == DRAG_TYPE_RECT) {
+		if (drawing_rect) {
 			Vector2i size = tile_set->local_to_map(edited_layer->get_local_mouse_position()) - tile_set->local_to_map(drag_start_mouse_pos);
 			text += vformat(" %s (%dx%d)", TTR("Drawing Rect:"), ABS(size.x) + 1, ABS(size.y) + 1);
 		}