// $Id: DlgGeometryMgr.hpp,v 1.4 2008/12/08 20:04:15 philw Exp $
//
// class DlgGeometryMgr       : public QObject
// class DlgGeomMgrTestWindow : public QMainWindow (support)
//
// See descriptions in cpp file.
//---

#ifndef DlgGeometryMgrINCLUDED
#define DlgGeometryMgrINCLUDED

#include <QObject>
#include <QMap>
#include <QMainWindow>
#include <QPair>
#include <QRect>

class QShowEvent;
class QHideEvent;
class QCloseEvent;

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------

class DlgGeometryMgr : public QObject
{
   Q_OBJECT

 private:
   static DlgGeometryMgr* _instance;

   // Map from (Dialog Class Name, Reference Object) to (Window Geometry).
   QMap <QPair<QString,void*>, QRect> _dlgGeometryMap;

   bool _windowDecorationDeltasComputed;
   int _windowDecorationDeltaX;
   int _windowDecorationDeltaY;

 private:
   static DlgGeometryMgr* instance();
   DlgGeometryMgr();
   ~DlgGeometryMgr();

   void computeWindowDecorationDeltas();

 public:
   static void initialize();

   static void processShow (const char* dlgClassName,
                            void* refObj,
                            QWidget* dlgWidget, 
                            QShowEvent*);

   static void processHide (const char* dlgClassName,
                            void* refObj,
                            QWidget* dlgWidget, 
                            QHideEvent*);

 public slots:
   void setDecorationDeltas (int deltaX, int deltaY);
};

//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------

class DlgGeomMgrTestWindow : public QMainWindow
{
   Q_OBJECT

 private:
   int  _showCnt;
   int  _hideCnt;

   enum { _initialX = 200,
          _initialY = 200 };

 public:
   DlgGeomMgrTestWindow();
   virtual ~DlgGeomMgrTestWindow() {}

   // virtual from QWidget
   void showEvent (QShowEvent*);
   void hideEvent (QHideEvent*);

 signals:
   void decorationDeltasComputed (int deltaX, int deltaY);
};

#endif // DlgGeometryMgrINCLUDED
//--- (end DlgGeometryMgr.hpp) ---