Method onDragStart

plugins/Cardinal/src/TextEditor.cpp:280–287

    }

    void onDragStart(const DragStartEvent& e) override
    {
        if (e.button != GLFW_MOUSE_BUTTON_LEFT)
            return;

        dragPos = APP->scene->rack->getMousePos();
        originalBox = widget->box;
    }

    void onDragMove(const DragMoveEvent& e) override
    {