QmitkRenderWindowMenu.h

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/*============================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.

Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.

============================================================================*/

#ifndef QMITKRENDERWINDOWMENU_H
#define QMITKRENDERWINDOWMENU_H

#if defined(_WIN32) || defined(__APPLE__)
#define QMITK_USE_EXTERNAL_RENDERWINDOW_MENU
#endif

// mitk qtwidgets module
#include "MitkQtWidgetsExports.h"
#include "QmitkMultiWidgetLayoutManager.h"

// mitk core
#include <mitkBaseRenderer.h>

// qt
#include <QAction>
#include <QEvent>
#include <QLabel>
#include <QMenuBar>
#include <QPushButton>
#include <QTimer>
#include <QToolButton>
#include <QWidget>

class MITKQTWIDGETS_EXPORT QmitkRenderWindowMenu : public QWidget
{
  Q_OBJECT

public:

  using LayoutIndex = mitk::BaseRenderer::ViewDirection;
  using LayoutDesign = QmitkMultiWidgetLayoutManager::LayoutDesign;

  QmitkRenderWindowMenu(QWidget *parent = nullptr,
                        Qt::WindowFlags f = nullptr,
                        mitk::BaseRenderer *b = nullptr);
  ~QmitkRenderWindowMenu() override;

  bool GetSettingsMenuVisibilty()
  {
    if (m_LayoutActionsMenu == nullptr)
      return false;
    else
      return m_LayoutActionsMenu->isVisible();
  }

  void SetLayoutIndex(LayoutIndex layoutIndex);

  LayoutIndex GetLayoutIndex() { return m_Layout; }
  void UpdateLayoutDesignList(LayoutDesign layoutDesign);

#ifdef QMITK_USE_EXTERNAL_RENDERWINDOW_MENU
  void MoveWidgetToCorrectPos(float opacity);
#else
  void MoveWidgetToCorrectPos(float /*opacity*/);
#endif

  void ShowMenu();
  void HideMenu();

protected:

  void paintEvent(QPaintEvent *event) override;

  void CreateMenuWidget();

  void CreateSettingsWidget();

  void ChangeFullScreenIcon();

Q_SIGNALS:

  void ResetView(); // == "global reinit"

  void CrosshairVisibilityChanged(bool);

  // \brief int parameters are enum from QmitkStdMultiWidget
  void CrosshairRotationModeChanged(int);

  void LayoutDesignChanged(LayoutDesign layoutDesign);

public Q_SLOTS:

  void DeferredShowMenu();
  void DeferredHideMenu();
  void smoothHide();

protected Q_SLOTS:

  void enterEvent(QEvent * /*e*/) override;
  void leaveEvent(QEvent * /*e*/) override;

  void AutoRotateNextStep();

  void OnAutoRotationActionTriggered();

  void OnTSNumChanged(int);

  void OnCrosshairMenuAboutToShow();
  void OnCrosshairVisibilityChanged(bool);
  void OnCrosshairRotationModeSelected(QAction *);

  void OnFullScreenButton(bool checked);

  void OnLayoutDesignButton(bool checked);

  void OnSetLayout(LayoutDesign layoutDesign);

protected:

  QToolButton* m_CrosshairModeButton;

  QToolButton* m_FullScreenButton;

  QToolButton* m_LayoutDesignButton;
  QMenu* m_LayoutActionsMenu;
  QAction* m_DefaultLayoutAction;
  QAction* m_All2DTop3DBottomLayoutAction;
  QAction* m_All2DLeft3DRightLayoutAction;
  QAction* m_OneBigLayoutAction;
  QAction* m_Only2DHorizontalLayoutAction;
  QAction* m_Only2DVerticalLayoutAction;
  QAction* m_OneTop3DBottomLayoutAction;
  QAction* m_OneLeft3DRightLayoutAction;
  QAction* m_AllHorizontalLayoutAction;
  QAction* m_AllVerticalLayoutAction;
  QAction* m_RemoveOneLayoutAction;

  QLabel *m_TSLabel;

  QMenu *m_CrosshairMenu;

  bool m_FullScreenMode;

private:

  mitk::BaseRenderer::Pointer m_Renderer;

  QTimer* m_AutoRotationTimer;
  QTimer* m_HideTimer;

  QWidget *m_Parent;

  //memory because mode is set to default for slice num = 1
  static unsigned int m_DefaultThickMode;

  int m_CrosshairRotationMode;
  bool m_CrosshairVisibility;

  LayoutIndex m_Layout;
  LayoutDesign m_LayoutDesign;
  LayoutDesign m_OldLayoutDesign;

};

#endif // QMITKRENDERWINDOWMENU_H