src/PyEvent/PyEvent_EventFilter.cpp

   1
   2 #include "PyEvent_EventFilter.h"
   3 #include "PyEvent_Event.h"
   4
   5 #include <QApplication>
   6
   7 PyEvent_EventFilter* PyEvent_EventFilter::myFilter = NULL;
   8
   9 /*!Constructor.*/
  10 PyEvent_EventFilter::PyEvent_EventFilter()
  11 : QObject()
  12 {
  13   /* VSR 13/01/03 : installing global event filter for the application */
  14   qApp->installEventFilter( this );
  15 }
  16
  17 /*!Destructor.*/
  18 PyEvent_EventFilter::~PyEvent_EventFilter()
  19 {
  20   qApp->removeEventFilter( this );
  21 }
  22
  23 /*!
  24   Custom event filter
  25 */
  26 bool PyEvent_EventFilter::eventFilter( QObject* o, QEvent* e )
  27 {
  28   if ( e->type() == PyEvent_EVENT )
  29   {
  30     PyEvent_Event* aSE = (PyEvent_Event*)((PyEvent_CustomEvent*)e)->data();
  31     processEvent(aSE);
  32     ((PyEvent_CustomEvent*)e)->setData( 0 );
  33     return true;
  34   }
  35   return QObject::eventFilter( o, e );
  36 }
  37
  38 /*!Process event.*/
  39 void PyEvent_EventFilter::processEvent( PyEvent_Event* theEvent )
  40 {
  41   if(theEvent)
  42     theEvent->ExecutePostedEvent();
  43 }
  44
  45 /*!Create new instance of PyEvent_EventFilter*/
  46 void PyEvent_EventFilter::Init()
  47 {
  48   if( myFilter==NULL )
  49     myFilter = new PyEvent_EventFilter();
  50 }
  51
  52 /*!Destroy filter.*/
  53 void PyEvent_EventFilter::Destroy()
  54 {
  55   if( myFilter )
  56   {
  57     delete myFilter;
  58     myFilter = NULL;
  59   }
  60 }