input_handler_widget_stack.hpp

// Copyright [2015] Albert Huang

#ifndef SCENEVIEW_INPUT_HANDLER_WIDGET
#define SCENEVIEW_INPUT_HANDLER_WIDGET

#include <vector>

#include <QDockWidget>

class QComboBox;
class QStackedWidget;
class QVBoxLayout;

namespace sv {

class InputHandler;
class Viewport;

class InputHandlerWidgetStack : public QDockWidget {
  Q_OBJECT

  public:
    explicit InputHandlerWidgetStack(Viewport* viewport,
        QWidget* parent = nullptr);

  private:
    struct HandlerData {
      int stack_index;
      InputHandler* handler;
    };

    void AddInputHandler(InputHandler* handler);

    void OnInputHandlerActivated(InputHandler* handler);

    HandlerData* GetHandlerData(InputHandler* Handler);

    Viewport* viewport_;

    QStackedWidget* stack_;
    QVBoxLayout* layout_;

    std::vector<HandlerData> handler_data_;
};

}  // namespace sv

#endif  // SCENEVIEW_CAMERA_CONTROLS_WIDGET