SelectionContext.h

#pragma once
 
#include <EditorEngineProcessFramework/Gizmos/GizmoHandle.h>
#include <EditorFramework/InputContexts/EditorInputContext.h>
 
class QWidget;
class plCamera;
struct plObjectPickingResult;
class plDocumentObject;
 
class PL_EDITORFRAMEWORK_DLL plSelectionContext : public plEditorInputContext
{
public:
  plSelectionContext(plQtEngineDocumentWindow* pOwnerWindow, plQtEngineViewWidget* pOwnerView, const plCamera* pCamera);
  ~plSelectionContext();
 
  void SetWindowConfig(const plVec2I32& vViewport) { m_vViewport = vViewport; }
 
  void SetPickObjectOverride(plDelegate<void(const plDocumentObject*)> pickOverride);
  void ResetPickObjectOverride();
 
protected:
  virtual plEditorInput DoMousePressEvent(QMouseEvent* e) override;
  virtual plEditorInput DoMouseReleaseEvent(QMouseEvent* e) override;
 
  virtual plEditorInput DoMouseMoveEvent(QMouseEvent* e) override;
  virtual plEditorInput DoKeyPressEvent(QKeyEvent* e) override;
  virtual plEditorInput DoKeyReleaseEvent(QKeyEvent* e) override;
 
  virtual void OnSetOwner(plQtEngineDocumentWindow* pOwnerWindow, plQtEngineViewWidget* pOwnerView) override {}
 
  const plDocumentObject* determineObjectToSelect(const plDocumentObject* pickedObject, bool bToggle, bool bDirect) const;
 
  virtual void DoFocusLost(bool bCancel) override;
 
  virtual void OpenDocumentForPickedObject(const plObjectPickingResult& res) const;
  virtual void SelectPickedObject(const plObjectPickingResult& res, bool bToggle, bool bDirect) const;
 
protected:
  void SendMarqueeMsg(QMouseEvent* e, plUInt8 uiWhatToDo);
 
  plDelegate<void(const plDocumentObject*)> m_PickObjectOverride;
  const plCamera* m_pCamera;
  plVec2I32 m_vViewport;
  plEngineGizmoHandle m_hMarqueeGizmo;
  plVec3 m_vMarqueeStartPos;
  plUInt32 m_uiMarqueeID;
  bool m_bPressedSpace = false;
 
  enum class Mode
  {
    None,
    Single,
    MarqueeAdd,
    MarqueeRemove
  };
 
  Mode m_Mode = Mode::None;
};