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/*=========================================================================
Program: Visualization Toolkit
Module: vtkOutputWindow.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 vtkOutputWindow
* @brief base class for writing debug output to a console
*
* This class is used to encapsulate all text output, so that it will work
* with operating systems that have a stdout and stderr, and ones that
* do not. (i.e windows does not). Sub-classes can be provided which can
* redirect the output to a window.
*/
#ifndef vtkOutputWindow_h
#define vtkOutputWindow_h
#include "vtkDebugLeaksManager.h" // Must be included before singletons
#include "vtkCommonCoreModule.h" // For export macro
#include "vtkObject.h"
class VTKCOMMONCORE_EXPORT vtkOutputWindowCleanup
{
public:
vtkOutputWindowCleanup();
~vtkOutputWindowCleanup();
private:
vtkOutputWindowCleanup(const vtkOutputWindowCleanup& other) VTK_DELETE_FUNCTION;
vtkOutputWindowCleanup& operator=(const vtkOutputWindowCleanup& rhs) VTK_DELETE_FUNCTION;
};
class VTKCOMMONCORE_EXPORT vtkOutputWindow : public vtkObject
{
public:
// Methods from vtkObject
vtkTypeMacro(vtkOutputWindow,vtkObject);
/**
* Print ObjectFactor to stream.
*/
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
/**
* This is a singleton pattern New. There will only be ONE
* reference to a vtkOutputWindow object per process. Clients that
* call this must call Delete on the object so that the reference
* counting will work. The single instance will be unreferenced when
* the program exits.
*/
static vtkOutputWindow* New();
/**
* Return the singleton instance with no reference counting.
*/
static vtkOutputWindow* GetInstance();
/**
* Supply a user defined output window. Call ->Delete() on the supplied
* instance after setting it.
*/
static void SetInstance(vtkOutputWindow *instance);
//@{
/**
* Display the text. Four virtual methods exist, depending on the type of
* message to display. This allows redirection or reformatting of the
* messages. The default implementation uses DisplayText for all.
*/
virtual void DisplayText(const char*);
virtual void DisplayErrorText(const char*);
virtual void DisplayWarningText(const char*);
virtual void DisplayGenericWarningText(const char*);
//@}
virtual void DisplayDebugText(const char*);
//@{
/**
* If PromptUser is set to true then each time a line of text
* is displayed, the user is asked if they want to keep getting
* messages.
*/
vtkBooleanMacro(PromptUser,int);
vtkSetMacro(PromptUser, int);
//@}
protected:
vtkOutputWindow();
~vtkOutputWindow() VTK_OVERRIDE;
int PromptUser;
private:
static vtkOutputWindow* Instance;
private:
vtkOutputWindow(const vtkOutputWindow&) VTK_DELETE_FUNCTION;
void operator=(const vtkOutputWindow&) VTK_DELETE_FUNCTION;
};
// Uses schwartz counter idiom for singleton management
static vtkOutputWindowCleanup vtkOutputWindowCleanupInstance;
#endif
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