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/*=========================================================================
Program: Visualization Toolkit
Module: vtkIOSRenderWindowInteractor.h
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.
=========================================================================*/
/**
* @class vtkIOSRenderWindowInteractor
* @brief implements IOS specific functions
* required by vtkRenderWindowInteractor.
*
*
* The interactor interfaces with vtkIOSRenderWindow and vtkIOSGLView
* to trap messages from the IOS window manager and send them to vtk.
*
* IMPORTANT: This header must be in C++ only because it is included by .cxx files.
* That means no Objective C may be used. That's why some instance variables are
* void* instead of what they really should be.
*/
#ifndef vtkIOSRenderWindowInteractor_h
#define vtkIOSRenderWindowInteractor_h
#include "vtkRenderingOpenGL2Module.h" // For export macro
#include "vtkRenderWindowInteractor.h"
class VTKRENDERINGOPENGL2_EXPORT vtkIOSRenderWindowInteractor : public vtkRenderWindowInteractor
{
public:
/**
* Construct object so that light follows camera motion.
*/
static vtkIOSRenderWindowInteractor *New();
vtkTypeMacro(vtkIOSRenderWindowInteractor,vtkRenderWindowInteractor);
void PrintSelf(ostream& os, vtkIndent indent);
/**
* Initialize the even handler
*/
virtual void Initialize();
//@{
/**
* Enable/Disable interactions. By default interactors are enabled when
* initialized. Initialize() must be called prior to enabling/disabling
* interaction. These methods are used when a window/widget is being
* shared by multiple renderers and interactors. This allows a "modal"
* display where one interactor is active when its data is to be displayed
* and all other interactors associated with the widget are disabled
* when their data is not displayed.
*/
virtual void Enable();
virtual void Disable();
//@}
/**
* IOS specific application terminate, calls ClassExitMethod then
* calls PostQuitMessage(0) to terminate app. An application can Specify
* ExitMethod for alternative behaviour (i.e. suppresion of keyboard exit)
*/
void TerminateApp();
//@{
/**
* Methods to set the default exit method for the class. This method is
* only used if no instance level ExitMethod has been defined. It is
* provided as a means to control how an interactor is exited given
* the various language bindings (tcl, IOS, etc.).
*/
static void SetClassExitMethod(void (*f)(void *), void *arg);
static void SetClassExitMethodArgDelete(void (*f)(void *));
//@}
/**
* These methods correspond to the the Exit, User and Pick
* callbacks. They allow for the Style to invoke them.
*/
virtual void ExitCallback();
// int GetButtonDown();
// void SetButtonDown(int button);
protected:
vtkIOSRenderWindowInteractor();
~vtkIOSRenderWindowInteractor();
/**
* Accessors for the IOS member variables. These should be used at all time, even
* by this class.
*/
void SetTimerDictionary(void *dictionary); // Really an NSMutableDictionary*
void *GetTimerDictionary();
//@{
/**
* Class variables so an exit method can be defined for this class
* (used to set different exit methods for various language bindings,
* i.e. tcl, java, IOS)
*/
static void (*ClassExitMethod)(void *);
static void (*ClassExitMethodArgDelete)(void *);
static void *ClassExitMethodArg;
//@}
//@{
/**
* IOS-specific internal timer methods. See the superclass for detailed
* documentation.
*/
virtual int InternalCreateTimer(int timerId, int timerType, unsigned long duration);
virtual int InternalDestroyTimer(int platformTimerId);
//@}
/**
* This will start up the event loop and never return. If you
* call this method it will loop processing events until the
* application is exited.
*/
virtual void StartEventLoop();
//@{
/**
* Accessors for the IOS manager (Really an NSMutableDictionary*).
* It manages all IOS objects in this C++ class.
*/
void SetIOSManager(void *manager);
void *GetIOSManager();
//@}
private:
vtkIOSRenderWindowInteractor(const vtkIOSRenderWindowInteractor&) VTK_DELETE_FUNCTION;
void operator=(const vtkIOSRenderWindowInteractor&) VTK_DELETE_FUNCTION;
// Important: this class cannot contain Objective-C instance
// variables for 2 reasons:
// 1) C++ files include this header
// 2) because of garbage collection
// Instead, use the IOSManager dictionary to keep a collection
// of what would otherwise be Objective-C instance variables.
void *IOSManager; // Really an NSMutableDictionary*
};
#endif
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