// @(#)root/qt:$Name: $:$Id: TQtClientWidget.h,v 1.7 2005/12/11 10:51:39 rdm Exp $
/*************************************************************************
* Copyright (C) 1995-2004, Rene Brun and Fons Rademakers. *
* Copyright (C) 2002 by Valeri Fine. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TQtClientWidget
#define ROOT_TQtClientWidget
#ifndef __CINT__
# include <qframe.h>
# if (QT_VERSION > 0x039999)
// Added by qt3to4:
# include <QCloseEvent>
# endif
# include <qcursor.h>
#else
class QFrame;
class QCursor;
#endif
#include "GuiTypes.h"
//
// TQtClientWidget is a QFrame implemantation backing ROOT TGWindow objects
// It tries to mimic the X11 Widget behaviour, that kind the ROOT Gui relies on heavily.
//
class QAccel;
class QCursor;
class QCloseEvent;
class TQtClientGuard;
class TQtWidget;
class TQtClientWidget: public QFrame {
#ifndef __CINT__
Q_OBJECT
#endif
private:
void operator=(const TQtClientWidget&) {}
void operator=(const TQtClientWidget&) const {}
TQtClientWidget(const TQtClientWidget&) : QFrame() {}
protected:
UInt_t fGrabButtonMask; // modifier button mask for TVirtualX::GrabButton
UInt_t fGrabEventPointerMask; // input event mask for TVirtualX::GrabPointer
UInt_t fGrabEventButtonMask; // input event mask for TVirtualX::GrabButton
UInt_t fSelectEventMask; // input mask for SelectInput
UInt_t fSaveSelectInputMask; // To save dutinr the grabbing the selectInput
EMouseButton fButton;
QAccel *fGrabbedKey;
Bool_t fPointerOwner;
QCursor *fNormalPointerCursor;
QCursor *fGrabPointerCursor;
QCursor *fGrabButtonCursor;
bool fIsClosing;
bool fDeleteNotify;
TQtClientGuard *fGuard;
TQtWidget *fCanvasWidget;
friend class TQtClientGuard;
friend class TGQt;
TQtClientWidget(TQtClientGuard *guard, QWidget* parent=0, const char* name=0, WFlags f=0 ):
QFrame(parent,name,f)
,fGrabButtonMask(kAnyModifier), fGrabEventPointerMask(kNoEventMask)
,fGrabEventButtonMask(kNoEventMask), fSelectEventMask(kNoEventMask), fSaveSelectInputMask(kNoEventMask) // ,fAttributeEventMask(0)
,fButton(kAnyButton),fGrabbedKey(0), fPointerOwner(kFALSE)
,fNormalPointerCursor(0),fGrabPointerCursor(0),fGrabButtonCursor(0)
,fIsClosing(false) ,fDeleteNotify(false), fGuard(guard)
,fCanvasWidget(0)
{ }
void SetCanvasWidget(TQtWidget *widget);
public:
enum {kRemove = -1, kTestKey = 0, kInsert = 1};
virtual ~TQtClientWidget();
virtual void closeEvent(QCloseEvent *ev);
bool DeleteNotify();
TQtWidget *GetCanvasWidget() const;
void GrabEvent(Event_t &ev,bool own=TRUE);
QAccel *HasAccel() const ;
bool IsClosing();
bool IsGrabbed (Event_t &ev);
bool IsGrabPointerSelected(UInt_t evmask) const;
bool IsGrabButtonSelected (UInt_t evmask) const;
TQtClientWidget *IsKeyGrabbed(const Event_t &ev);
UInt_t IsEventSelected (UInt_t evmask) const;
bool IsGrabOwner() { return fPointerOwner;}
void SetAttributeEventMask(UInt_t evmask);
void SetButtonMask (UInt_t modifier=kAnyModifier,EMouseButton button=kAnyButton);
void SetClosing(bool flag=kTRUE);
void SetCursor();
void SetCursor(Cursor_t cursor);
void SetDeleteNotify(bool flag=true);
void SetButtonEventMask(UInt_t evmask,Cursor_t cursor=0);
void SelectInput (UInt_t evmask);
Bool_t SetKeyMask (Int_t keycode = 0, UInt_t modifier=kAnyModifier,int insert=kInsert);
void UnSetButtonMask (bool dtor=false);
void UnSetKeyMask(Int_t keycode = 0, UInt_t modifier=kAnyModifier);
QCursor *GrabButtonCursor() const;
QCursor *GrabPointerCursor() const;
UInt_t ButtonMask () const;
UInt_t ButtonEventMask() const;
UInt_t SelectEventMask() const;
EMouseButton Button() const;
UInt_t PointerMask () const;
#ifndef __CINT__
protected slots:
void Disconnect();
#endif
public slots:
virtual void Accelerate(int id);
virtual void polish();
//MOC_SKIP_BEGIN
ClassDef(TQtClientWidget,0) // QFrame implementation backing ROOT TGWindow objects
//MOC_SKIP_END
};
//______________________________________________________________________________
inline bool TQtClientWidget::DeleteNotify(){return fDeleteNotify; }
//______________________________________________________________________________
inline TQtWidget *TQtClientWidget::GetCanvasWidget() const
{ return fCanvasWidget;}
//______________________________________________________________________________
inline QAccel *TQtClientWidget::HasAccel() const
{ return fGrabbedKey; }
//______________________________________________________________________________
inline bool TQtClientWidget::IsClosing(){ return fIsClosing; }
//______________________________________________________________________________
inline UInt_t TQtClientWidget::IsEventSelected (UInt_t evmask) const
{
//if (evmask & (kButtonPressMask | kButtonMotionMask) )
// fprintf(stderr,"TQtClientWidget::IsEventSelected event %x, mask %x. match %x\n"
// , evmask, fSelectEventtMask, evmask & (kButtonPressMask | kButtonMotionMask));
return (evmask & fSelectEventMask); // || (IsGrabPointerSelected(evmask)) ;
}
//______________________________________________________________________________
inline void TQtClientWidget::SetCursor()
{ // Set this widget pre-defined cursor
if (fNormalPointerCursor) setCursor(*fNormalPointerCursor);
}
//______________________________________________________________________________
inline void TQtClientWidget::SetCursor(Cursor_t cursor)
{
// Change the pre-define curos shape and set it
fNormalPointerCursor = (QCursor *)cursor;
SetCursor();
}
//______________________________________________________________________________
inline void TQtClientWidget::SetClosing(bool flag) { fIsClosing = flag;}
//______________________________________________________________________________
inline void TQtClientWidget::SetDeleteNotify(bool flag){fDeleteNotify = flag;}
//______________________________________________________________________________
inline void TQtClientWidget::SetAttributeEventMask(UInt_t evmask) { SelectInput (evmask);}
//______________________________________________________________________________
inline void TQtClientWidget::SetButtonEventMask(UInt_t evmask,Cursor_t cursor)
{ fGrabEventButtonMask = evmask; fGrabButtonCursor =(QCursor *) cursor; }
//______________________________________________________________________________
inline EMouseButton TQtClientWidget::Button() const { return fButton; }
//______________________________________________________________________________
inline UInt_t TQtClientWidget::ButtonEventMask() const { return fGrabEventButtonMask;}
//______________________________________________________________________________
inline UInt_t TQtClientWidget::ButtonMask() const { return fGrabButtonMask; }
//______________________________________________________________________________
inline UInt_t TQtClientWidget::PointerMask() const { return fGrabEventPointerMask;}
//______________________________________________________________________________
inline UInt_t TQtClientWidget::SelectEventMask() const {return fSelectEventMask;}
//______________________________________________________________________________
inline QCursor *TQtClientWidget::GrabButtonCursor() const
{ return fGrabButtonCursor; }
//______________________________________________________________________________
inline QCursor *TQtClientWidget::GrabPointerCursor() const
{ return fGrabPointerCursor; }
//______________________________________________________________________________
inline bool TQtClientWidget::IsGrabPointerSelected(UInt_t evmask) const
{ return evmask & PointerMask(); }
//______________________________________________________________________________
inline bool TQtClientWidget::IsGrabButtonSelected (UInt_t evmask) const
{ return evmask & ButtonEventMask(); }
#endif
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