EditorInputContext.h

#pragma once
 
#include <EditorFramework/EditorFrameworkDLL.h>
#include <Foundation/Math/Rect.h>
#include <Foundation/Reflection/Reflection.h>
 
class QWidget;
class QKeyEvent;
class QMouseEvent;
class QWheelEvent;
class plDocument;
class plQtEngineDocumentWindow;
class plQtEngineViewWidget;
 
enum class plEditorInput
{
  MayBeHandledByOthers,
  WasExclusivelyHandled,
};
 
class PL_EDITORFRAMEWORK_DLL plEditorInputContext : public plReflectedClass
{
  PL_ADD_DYNAMIC_REFLECTION(plEditorInputContext, plReflectedClass);
 
public:
  plEditorInputContext();
 
  virtual ~plEditorInputContext();
 
  void FocusLost(bool bCancel);
 
  plEditorInput KeyPressEvent(QKeyEvent* e) { return DoKeyPressEvent(e); }
  plEditorInput KeyReleaseEvent(QKeyEvent* e) { return DoKeyReleaseEvent(e); }
  plEditorInput MousePressEvent(QMouseEvent* e) { return DoMousePressEvent(e); }
  plEditorInput MouseReleaseEvent(QMouseEvent* e) { return DoMouseReleaseEvent(e); }
  plEditorInput MouseMoveEvent(QMouseEvent* e);
  plEditorInput WheelEvent(QWheelEvent* e) { return DoWheelEvent(e); }
 
  static void SetActiveInputContext(plEditorInputContext* pContext) { s_pActiveInputContext = pContext; }
 
  void MakeActiveInputContext(bool bActive = true);
 
  static bool IsAnyInputContextActive() { return s_pActiveInputContext != nullptr; }
 
  static plEditorInputContext* GetActiveInputContext() { return s_pActiveInputContext; }
 
  static void UpdateActiveInputContext();
 
  bool IsActiveInputContext() const;
 
  void SetOwner(plQtEngineDocumentWindow* pOwnerWindow, plQtEngineViewWidget* pOwnerView);
 
  plQtEngineDocumentWindow* GetOwnerWindow() const;
 
  plQtEngineViewWidget* GetOwnerView() const;
 
  bool GetShortcutsDisabled() const { return m_bDisableShortcuts; }
 
  void SetShortcutsDisabled(bool bDisabled) { m_bDisableShortcuts = bDisabled; }
 
  virtual bool IsPickingSelectedAllowed() const { return true; }
 
  enum class MouseMode
  {
    Normal,                     
    WrapAtScreenBorders,        
    HideAndWrapAtScreenBorders, 
  };
 
  plVec2I32 SetMouseMode(MouseMode mode);
 
  plVec2I32 UpdateMouseMode(QMouseEvent* e);
 
  virtual void UpdateStatusBarText(plQtEngineDocumentWindow* pWindow) {}
 
protected:
  virtual void DoFocusLost(bool bCancel) {}
 
  virtual void OnSetOwner(plQtEngineDocumentWindow* pOwnerWindow, plQtEngineViewWidget* pOwnerView) = 0;
 
  virtual plEditorInput DoKeyPressEvent(QKeyEvent* e);
  virtual plEditorInput DoKeyReleaseEvent(QKeyEvent* e) { return plEditorInput::MayBeHandledByOthers; }
  virtual plEditorInput DoMousePressEvent(QMouseEvent* e) { return plEditorInput::MayBeHandledByOthers; }
  virtual plEditorInput DoMouseReleaseEvent(QMouseEvent* e) { return plEditorInput::MayBeHandledByOthers; }
  virtual plEditorInput DoMouseMoveEvent(QMouseEvent* e) { return plEditorInput::MayBeHandledByOthers; }
  virtual plEditorInput DoWheelEvent(QWheelEvent* e) { return plEditorInput::MayBeHandledByOthers; }
 
private:
  static plEditorInputContext* s_pActiveInputContext;
 
  plQtEngineDocumentWindow* m_pOwnerWindow;
  plQtEngineViewWidget* m_pOwnerView;
  bool m_bDisableShortcuts;
  bool m_bJustWrappedMouse;
  MouseMode m_MouseMode;
  plVec2I32 m_vMouseRestorePosition;
  plVec2I32 m_vMousePosBeforeWrap;
  plVec2I32 m_vExpectedMousePosition;
  plRectU32 m_MouseWrapRect;
 
  virtual void UpdateContext() {}
};