library: libGQt
#include "TQtClientFilter.h"

TQtClientFilter

class description - header file - source file
viewCVS header - viewCVS source

class TQtClientFilter: public QObject

Inheritance Inherited Members Includes Libraries
Class Charts

Function Members (Methods)

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public:
TQtClientFilter()
virtual~TQtClientFilter()
voidAppendButtonGrab(TQtClientWidget* widget)
static TClass*Class()
static TQtClientWidget*GetButtonGrabber()
static TQtClientWidget*GetPointerGrabber()
static voidGrabPointer(TQtClientWidget* grabber, UInt_t evmask, Window_t confine, QCursor* cursor, Bool_t grab = kTRUE, Bool_t owner_events = kTRUE)
virtual TClass*IsA() const
static TQtPointerGrabber*PointerGrabber()
voidRemoveButtonGrab(QObject* widget)
static voidSetButtonGrabber(TQtClientWidget* grabber)
virtual voidShowMembers(TMemberInspector& insp, char* parent)
virtual voidStreamer(TBuffer& b)
voidStreamerNVirtual(TBuffer& b)
protected:
voidAddKeyEvent(const int& event, TQtClientWidget* widget)
booleventFilter(QObject* o, QEvent* e)
static Bool_tIsGrabSelected(UInt_t selectEventMask)
TQtEventQueue*Queue()
voidRestoreLostGrabbing(Event_t& event)
static Bool_tSelectGrab(Event_t& event, UInt_t selectEventMask, int& me)
voidSetKeyGrabber(TQtClientWidget* grabber)
voidUnSetKeyGrabber(TQtClientWidget* grabber)
private:
TQtClientFilter(const TQtClientFilter&)
voidoperator=(const TQtClientFilter&)
voidoperator=(const TQtClientFilter&) const

Data Members

protected:
TQtEventQueue*fRootEventQueue
TQtNextEventMessage*fNotifyClient
QPtrList<TQtClientWidget>fButtonGrabList
static TQtClientWidget*fgPointerGrabber
static TQtClientWidget*fgButtonGrabber
static TQtClientWidget*fgActiveGrabber
TQtClientWidget*fKeyGrabber
UInt_tfInputEventMask
static UInt_tfgGrabPointerEventMask
static Bool_tfgGrabPointerOwner
static QCursor*fgGrabPointerCursor
static TQtPointerGrabber*fgGrabber

Class Description



Bool_t  IsGrabSelected(UInt_t selectEventMask)


 return the selection by "grabButton" / "grabPointer"





 ~TQtClientFilter()




void  AddKeyEvent( const QKeyEvent &keyEvent, TQtClientWidget *frame)


 Map and and to the ROOT event queue Qt KeyBoard event mapped to the ROOT Event_t
 For "dest" widget 





bool  SelectGrab(Event_t &event, UInt_t selectEventMask,QMouseEvent &mouse)


 Select Event:  --  04.12.2005  --





bool  eventFilter( QObject *qWidget, QEvent *e )


 Dispatch The Qt event from event queue to Event_t structure
 Not all of the event fields are valid for each event type,
 except fType and fWindow.





void  GrabPointer(TQtClientWidget *grabber, UInt_t evmask, Window_t /*confine*/,                                    QCursor *cursor, Bool_t grab, Bool_t owner_events)


 Set the X11 style active grabbing for ROOT TG widgets





TQtClientWidget * GetPointerGrabber()


______________________________________________________________________________




{  return fgPointerGrabber;                                       }




TQtClientWidget * GetButtonGrabber()


______________________________________________________________________________




{  return fgButtonGrabber;                                              }




void  SetButtonGrabber(TQtClientWidget *grabber)


______________________________________________________________________________




{  fgButtonGrabber = grabber;                                           }




void AppendButtonGrab(TQtClientWidget *widget)


______________________________________________________________________________
______________________________________________________________________________




{  fButtonGrabList.append(widget);}




void RemoveButtonGrab(QObject *widget)




TQtEventQueue * Queue()


______________________________________________________________________________





void operator=(const TQtClientFilter &)



{}




void operator=(const TQtClientFilter &)



{}




 TQtClientFilter(const TQtClientFilter &)



{}




void SetKeyGrabber(TQtClientWidget *grabber)



{ fKeyGrabber = grabber;}




void UnSetKeyGrabber(TQtClientWidget *grabber)



{ if (fKeyGrabber == grabber) fKeyGrabber = 0; }




void RestoreLostGrabbing(Event_t &event)




 TQtClientFilter()



{;}




TQtPointerGrabber * PointerGrabber()



{ return fgGrabber; }







Author: Valeri Fine 21/01/2002

Last update: root/qt:$Name:  $:$Id: TQtClientFilter.cxx,v 1.19 2006/12/12 15:03:05 brun Exp $

Copyright  (C) 1995-2004, Rene Brun and Fons Rademakers.               *









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