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/*=========================================================================
Program: Visualization Toolkit
Module: vtkIOSRenderWindowInteractor.mm
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 "vtkOpenGLRenderWindow.h"
#import "vtkIOSRenderWindowInteractor.h"
#import "vtkIOSRenderWindow.h"
#import "vtkCommand.h"
#import "vtkObjectFactory.h"
//----------------------------------------------------------------------------
vtkStandardNewMacro(vtkIOSRenderWindowInteractor);
//----------------------------------------------------------------------------
void (*vtkIOSRenderWindowInteractor::ClassExitMethod)(void *) = (void (*)(void *))NULL;
void *vtkIOSRenderWindowInteractor::ClassExitMethodArg = (void *)NULL;
void (*vtkIOSRenderWindowInteractor::ClassExitMethodArgDelete)(void *) = (void (*)(void *))NULL;
//----------------------------------------------------------------------------
vtkIOSRenderWindowInteractor::vtkIOSRenderWindowInteractor()
{
}
//----------------------------------------------------------------------------
vtkIOSRenderWindowInteractor::~vtkIOSRenderWindowInteractor()
{
this->Enabled = 0;
}
//----------------------------------------------------------------------------
void vtkIOSRenderWindowInteractor::StartEventLoop()
{
}
//----------------------------------------------------------------------------
// Begin processing keyboard strokes.
void vtkIOSRenderWindowInteractor::Initialize()
{
// make sure we have a RenderWindow and camera
if ( !this->RenderWindow )
{
vtkErrorMacro(<<"No renderer defined!");
return;
}
if (this->Initialized)
{
return;
}
this->Initialized = 1;
// get the info we need from the RenderingWindow
vtkIOSRenderWindow *renWin = (vtkIOSRenderWindow *)(this->RenderWindow);
renWin->Start();
int *size = renWin->GetSize();
renWin->GetPosition(); // update values of this->Position[2]
this->Enable();
this->Size[0] = size[0];
this->Size[1] = size[1];
}
//----------------------------------------------------------------------------
void vtkIOSRenderWindowInteractor::Enable()
{
if (this->Enabled)
{
return;
}
// Set the RenderWindow's interactor so that when the vtkIOSGLView tries
// to handle events from the OS it will either handle them or ignore them
this->GetRenderWindow()->SetInteractor(this);
this->Enabled = 1;
this->Modified();
}
//----------------------------------------------------------------------------
void vtkIOSRenderWindowInteractor::Disable()
{
if (!this->Enabled)
{
return;
}
#ifdef VTK_USE_TDX
if(this->Device->GetInitialized())
{
this->Device->Close();
}
#endif
// Set the RenderWindow's interactor so that when the vtkIOSGLView tries
// to handle events from the OS it will either handle them or ignore them
this->GetRenderWindow()->SetInteractor(NULL);
this->Enabled = 0;
this->Modified();
}
//----------------------------------------------------------------------------
void vtkIOSRenderWindowInteractor::TerminateApp()
{
}
//----------------------------------------------------------------------------
int vtkIOSRenderWindowInteractor::InternalCreateTimer(int timerId,
int timerType, unsigned long duration)
{
// In this implementation, timerId and platformTimerId are the same
int platformTimerId = timerId;
return platformTimerId;
}
//----------------------------------------------------------------------------
int vtkIOSRenderWindowInteractor::InternalDestroyTimer(int platformTimerId)
{
// In this implementation, timerId and platformTimerId are the same;
// but calling this anyway is more correct
int timerId = this->GetVTKTimerId(platformTimerId);
return 0; // fail
}
//----------------------------------------------------------------------------
// Specify the default function to be called when an interactor needs to exit.
// This callback is overridden by an instance ExitMethod that is defined.
void vtkIOSRenderWindowInteractor::SetClassExitMethod(void (*f)(void *),void *arg)
{
if ( f != vtkIOSRenderWindowInteractor::ClassExitMethod
|| arg != vtkIOSRenderWindowInteractor::ClassExitMethodArg)
{
// delete the current arg if there is a delete method
if ((vtkIOSRenderWindowInteractor::ClassExitMethodArg)
&& (vtkIOSRenderWindowInteractor::ClassExitMethodArgDelete))
{
(*vtkIOSRenderWindowInteractor::ClassExitMethodArgDelete)
(vtkIOSRenderWindowInteractor::ClassExitMethodArg);
}
vtkIOSRenderWindowInteractor::ClassExitMethod = f;
vtkIOSRenderWindowInteractor::ClassExitMethodArg = arg;
// no call to this->Modified() since this is a class member function
}
}
//----------------------------------------------------------------------------
// Set the arg delete method. This is used to free user memory.
void vtkIOSRenderWindowInteractor::SetClassExitMethodArgDelete(void (*f)(void *))
{
if (f != vtkIOSRenderWindowInteractor::ClassExitMethodArgDelete)
{
vtkIOSRenderWindowInteractor::ClassExitMethodArgDelete = f;
// no call to this->Modified() since this is a class member function
}
}
//----------------------------------------------------------------------------
void vtkIOSRenderWindowInteractor::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}
//----------------------------------------------------------------------------
void vtkIOSRenderWindowInteractor::ExitCallback()
{
if (this->HasObserver(vtkCommand::ExitEvent))
{
this->InvokeEvent(vtkCommand::ExitEvent,NULL);
}
else if (this->ClassExitMethod)
{
(*this->ClassExitMethod)(this->ClassExitMethodArg);
}
this->TerminateApp();
}
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