VTK  9.1.0
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
62#ifndef vtkEventQtSlotConnect_h
63#define vtkEventQtSlotConnect_h
64
65#include "QVTKWin32Header.h" // for export define
66#include "vtkCommand.h" // for event defines
67#include "vtkGUISupportQtModule.h" // For export macro
68#include "vtkObject.h"
69#include <QtCore/QObject> // for version info
70
71class QObject;
72class vtkQtConnections;
73class vtkQtConnection;
74
75// manage connections between VTK object events and Qt slots
76class VTKGUISUPPORTQT_EXPORT vtkEventQtSlotConnect : public vtkObject
77{
78public:
81
85 void PrintSelf(ostream& os, vtkIndent indent) override;
86
91 virtual void Connect(vtkObject* vtk_obj, unsigned long event, const QObject* qt_obj,
92 const char* slot, void* client_data = nullptr, float priority = 0.0,
93 Qt::ConnectionType type = Qt::AutoConnection);
94
103 virtual void Disconnect(vtkObject* vtk_obj = nullptr, unsigned long event = vtkCommand::NoEvent,
104 const QObject* qt_obj = nullptr, const char* slot = nullptr, void* client_data = nullptr);
105
110 virtual int GetNumberOfConnections() const;
111
112protected:
113 vtkQtConnections* Connections;
114 friend class vtkQtConnection;
116
119
120private:
122 void operator=(const vtkEventQtSlotConnect&) = delete;
123};
124
125#endif
Manage connections between VTK events and Qt slots.
vtkQtConnections * Connections
virtual int GetNumberOfConnections() const
Allow to query vtkEventQtSlotConnect to know if some Connect() have been setup and how many.
virtual void Disconnect(vtkObject *vtk_obj=nullptr, unsigned long event=vtkCommand::NoEvent, const QObject *qt_obj=nullptr, const char *slot=nullptr, void *client_data=nullptr)
Disconnect a vtk object from a qt object.
static vtkEventQtSlotConnect * New()
void PrintSelf(ostream &os, vtkIndent indent) override
Print the current connections between VTK and Qt.
~vtkEventQtSlotConnect() override
virtual void Connect(vtkObject *vtk_obj, unsigned long event, const QObject *qt_obj, const char *slot, void *client_data=nullptr, float priority=0.0, Qt::ConnectionType type=Qt::AutoConnection)
Connect a vtk object's event with a Qt object's slot.
void RemoveConnection(vtkQtConnection *)
a simple class to control print indentation
Definition: vtkIndent.h:113
abstract base class for most VTK objects
Definition: vtkObject.h:82