fix rtt copy/move

src/app_layout.cpp

@@ -1322,8 +1322,11 @@ void App::initLayout()
                 auto frame_text = layout[main_id]->find<NodeText>("timeline-frame");
                 slider->on_value_changed = [this, frame_text](Node*, float value)
                 {
+                    auto& l = Canvas::I->layer();
+                    l.m_frame_index = (int)glm::clamp<int>(
+                        floor(value * l.m_frames.size()), 0, (int)l.m_frames.size() - 1);
+/*
                     auto& c = *Canvas::I;
-
                     for (int i = 0; i < c.m_layers.size(); i++)
                     {
                         auto l = layers->get_layer_at(i);
@@ -1353,11 +1356,12 @@ void App::initLayout()
                         snprintf(str, sizeof(str), "%02d", current_layer);
                         frame_text->set_text(str);
                     }
+*/
                 };
                 if (auto btn_add = timeline->find<NodeButtonCustom>("btn-add"))
                 {
                     btn_add->on_click = [this, slider] (Node*) {
-                        layers->add_layer(true, true);
+                        Canvas::I->layer().add_frame();
                         slider->set_value(1.f, true);
                     };
                 }