VTK
vtkEventQtSlotConnect.h
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1 /*=========================================================================
2 
3  Copyright 2004 Sandia Corporation.
4  Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
5  license for use of this work by or on behalf of the
6  U.S. Government. Redistribution and use in source and binary forms, with
7  or without modification, are permitted provided that this Notice and any
8  statement of authorship are reproduced on all copies.
9 
10 =========================================================================*/
11 
12 /*========================================================================
13  For general information about using VTK and Qt, see:
14  http://www.trolltech.com/products/3rdparty/vtksupport.html
15 =========================================================================*/
16 
17 /*========================================================================
18  !!! WARNING for those who want to contribute code to this file.
19  !!! If you use a commercial edition of Qt, you can modify this code.
20  !!! If you use an open source version of Qt, you are free to modify
21  !!! and use this code within the guidelines of the GPL license.
22  !!! Unfortunately, you cannot contribute the changes back into this
23  !!! file. Doing so creates a conflict between the GPL and BSD-like VTK
24  !!! license.
25 =========================================================================*/
26 
48 #ifndef vtkEventQtSlotConnect_h
49 #define vtkEventQtSlotConnect_h
50 
51 #include "vtkGUISupportQtModule.h" // For export macro
52 #include "vtkObject.h"
53 #include "vtkCommand.h" // for event defines
54 #include "QVTKWin32Header.h" // for export define
55 #include <QtCore/QObject> // for version info
56 
57 class QObject;
58 class vtkQtConnections;
59 class vtkQtConnection;
60 
61 // manage connections between VTK object events and Qt slots
62 class VTKGUISUPPORTQT_EXPORT vtkEventQtSlotConnect : public vtkObject
63 {
64  public:
65  static vtkEventQtSlotConnect* New();
67 
68 
71  void PrintSelf(ostream& os, vtkIndent indent) override;
72 
77  virtual void Connect(vtkObject* vtk_obj, unsigned long event,
78  const QObject* qt_obj, const char* slot,
79  void* client_data=nullptr, float priority=0.0
80  ,Qt::ConnectionType type = Qt::AutoConnection);
81 
90  virtual void Disconnect(
91  vtkObject* vtk_obj=nullptr, unsigned long event=vtkCommand::NoEvent,
92  const QObject* qt_obj=nullptr, const char* slot = nullptr, void* client_data=nullptr);
93 
98  virtual int GetNumberOfConnections() const;
99 
100  protected:
101  vtkQtConnections* Connections;
102  friend class vtkQtConnection;
103  void RemoveConnection(vtkQtConnection*);
104 
106  ~vtkEventQtSlotConnect() override;
107 
108  private:
110  void operator=(const vtkEventQtSlotConnect&) = delete;
111 };
112 
113 #endif
abstract base class for most VTK objects
Definition: vtkObject.h:59
Manage connections between VTK events and Qt slots.
superclass for callback/observer methods
Definition: vtkCommand.h:370
a simple class to control print indentation
Definition: vtkIndent.h:39
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...