Добавлять объекты в родителя

src/toolbar/Tool.zig

@@ -1,9 +1,16 @@
 const Point2_f = @import("../models/basic_models.zig").Point2_f;
 const Canvas = @import("../Canvas.zig");
+const Document = @import("../models/Document.zig");
 
 pub const ToolContext = struct {
     canvas: *Canvas,
     document_point: Point2_f,
+    selected_object_id: ?u64,
+
+    pub fn addObject(self: *const ToolContext, template: Document.Object) !void {
+        try self.canvas.document.addObjectUnderParentId(self.selected_object_id, template);
+        self.canvas.requestRedraw();
+    }
 };
 
 pub const Tool = struct {

src/toolbar/tools/arc.zig

@@ -6,7 +6,6 @@ fn onCanvasClick(ctx: *const Tool.ToolContext) !void {
     var obj = shape.createObject(canvas.document.allocator, .arc) catch return;
     defer obj.deinit(canvas.allocator);
     try obj.setProperty(canvas.document.allocator, .{ .data = .{ .position = ctx.document_point } });
-    try canvas.document.addObject(obj);
-    canvas.requestRedraw();
+    try ctx.addObject(obj);
 }
 pub const tool = Tool.Tool{ .onCanvasClick = onCanvasClick };

src/toolbar/tools/broken.zig

@@ -6,7 +6,6 @@ fn onCanvasClick(ctx: *const Tool.ToolContext) !void {
     var obj = shape.createObject(canvas.document.allocator, .broken) catch return;
     defer obj.deinit(canvas.allocator);
     try obj.setProperty(canvas.document.allocator, .{ .data = .{ .position = ctx.document_point } });
-    try canvas.document.addObject(obj);
-    canvas.requestRedraw();
+    try ctx.addObject(obj);
 }
 pub const tool = Tool.Tool{ .onCanvasClick = onCanvasClick };

src/toolbar/tools/ellipse.zig

@@ -6,7 +6,6 @@ fn onCanvasClick(ctx: *const Tool.ToolContext) !void {
     var obj = shape.createObject(canvas.document.allocator, .ellipse) catch return;
     defer obj.deinit(canvas.allocator);
     try obj.setProperty(canvas.document.allocator, .{ .data = .{ .position = ctx.document_point } });
-    try canvas.document.addObject(obj);
-    canvas.requestRedraw();
+    try ctx.addObject(obj);
 }
 pub const tool = Tool.Tool{ .onCanvasClick = onCanvasClick };

src/toolbar/tools/line.zig

@@ -8,7 +8,6 @@ fn onCanvasClick(ctx: *const Tool.ToolContext) !void {
     var obj = shape.createObject(canvas.document.allocator, .line) catch return;
     defer obj.deinit(canvas.allocator);
     try obj.setProperty(canvas.document.allocator, .{ .data = .{ .position = ctx.document_point } });
-    try canvas.document.addObject(obj);
-    canvas.requestRedraw();
+    try ctx.addObject(obj);
 }
 pub const tool = Tool.Tool{ .onCanvasClick = onCanvasClick };