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/*=========================================================================
Program: Visualization Toolkit
Module: vtkEvent.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkEvent.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkObjectFactory.h"
#include "vtkCommand.h"
vtkStandardNewMacro(vtkEvent);
vtkEvent::vtkEvent()
{
this->Modifier = vtkEvent::AnyModifier;
this->KeyCode = 0;
this->RepeatCount = 0;
this->KeySym = 0;
this->EventId = vtkCommand::NoEvent;
}
vtkEvent::~vtkEvent()
{
if ( this->KeySym )
{
delete [] this->KeySym;
}
}
// Comparison against event with no modifiers
int vtkEvent::operator==(unsigned long VTKEvent)
{
if ( this->EventId == VTKEvent )
{
return 1;
}
else
{
return 0;
}
}
// Comparison against event with modifiers
int vtkEvent::operator==(vtkEvent *e)
{
if ( this->EventId != e->EventId )
{
return 0;
}
if ( this->Modifier != vtkEvent::AnyModifier &&
e->Modifier != vtkEvent::AnyModifier &&
this->Modifier != e->Modifier )
{
return 0;
}
if ( this->KeyCode != '\0' && e->KeyCode != '\0' &&
this->KeyCode != e->KeyCode )
{
return 0;
}
if ( this->RepeatCount != 0 && e->RepeatCount != 0 &&
this->RepeatCount != e->RepeatCount )
{
return 0;
}
if ( this->KeySym != NULL && e->KeySym != NULL &&
strcmp(this->KeySym,e->KeySym) != 0 )
{
return 0;
}
return 1;
}
//----------------------------------------------------------------------------
int vtkEvent::GetModifier(vtkRenderWindowInteractor* i)
{
int modifier = 0;
modifier |= (i->GetShiftKey() ? vtkEvent::ShiftModifier : 0);
modifier |= (i->GetControlKey() ? vtkEvent::ControlModifier : 0);
modifier |= (i->GetAltKey() ? vtkEvent::AltModifier : 0);
return modifier;
}
//----------------------------------------------------------------------------
void vtkEvent::PrintSelf(ostream& os, vtkIndent indent)
{
//Superclass typedef defined in vtkTypeMacro() found in vtkSetGet.h
this->Superclass::PrintSelf(os,indent);
//List all the events and their translations
os << indent << "Event Id: " << this->EventId << "\n";
os << indent << "Modifier: ";
if ( this->Modifier == -1 )
{
os << "Any\n";
}
else if ( this->Modifier == 0 )
{
os << "None\n";
}
else
{
os << this->Modifier << "\n";
}
os << indent << "Key Code: ";
if ( this->KeyCode == 0 )
{
os << "Any\n";
}
else
{
os << this->KeyCode << "\n";
}
os << indent << "Repeat Count: ";
if ( this->RepeatCount == 0 )
{
os << "Any\n";
}
else
{
os << this->RepeatCount << "\n";
}
os << indent << "Key Sym: ";
if ( this->KeySym == 0 )
{
os << "Any\n";
}
else
{
os << this->KeySym << "\n";
}
}