Добавлять объекты в родителя

src/ui/canvas_view.zig

@@ -30,7 +30,7 @@ pub fn canvasView(canvas: *Canvas, selected_object_id: ?u64, content_rect_scale:
             {
                 drawCanvasContent(canvas, scroll);
                 handleCanvasZoom(canvas, scroll);
-                handleCanvasMouse(canvas, scroll);
+                handleCanvasMouse(canvas, scroll, selected_object_id);
             }
 
             const scroll_parent = dvui.parentGet();
@@ -221,7 +221,7 @@ fn handleCanvasZoom(canvas: *Canvas, scroll: anytype) void {
     }
 }
 
-fn handleCanvasMouse(canvas: *Canvas, scroll: *dvui.ScrollAreaWidget) void {
+fn handleCanvasMouse(canvas: *Canvas, scroll: *dvui.ScrollAreaWidget, selected_object_id: ?u64) void {
     const natural_scale = if (canvas.native_scaling) 1 else dvui.windowNaturalScale();
     const scroll_data = scroll.data();
 
@@ -257,6 +257,7 @@ fn handleCanvasMouse(canvas: *Canvas, scroll: *dvui.ScrollAreaWidget) void {
                         var ctx = Tool.ToolContext{
                             .canvas = canvas,
                             .document_point = point,
+                            .selected_object_id = selected_object_id,
                         };
                         desc.implementation.onCanvasClick(&ctx) catch |err| {
                             std.debug.print("onCanvasClick error: {}\n", .{err});