Tulip  5.2.0
Large graphs analysis and drawing
DragHandle.h
1 /*
2  *
3  * This file is part of Tulip (http://tulip.labri.fr)
4  *
5  * Authors: David Auber and the Tulip development Team
6  * from LaBRI, University of Bordeaux
7  *
8  * Tulip is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU Lesser General Public License
10  * as published by the Free Software Foundation, either version 3
11  * of the License, or (at your option) any later version.
12  *
13  * Tulip is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16  * See the GNU General Public License for more details.
17  *
18  */
19 ///@cond DOXYGEN_HIDDEN
20 
21 #ifndef _DRAGHANDLE_H
22 #define _DRAGHANDLE_H
23 
24 #include <QLabel>
25 
26 namespace tlp {
27 
28 class WorkspacePanel;
29 
30 class DragHandle : public QLabel {
31  Q_OBJECT
32 public:
33  explicit DragHandle(QWidget *parent = nullptr, Qt::WindowFlags f = nullptr);
34  void mousePressEvent(QMouseEvent *ev) override;
35  void mouseReleaseEvent(QMouseEvent *ev) override;
36  void mouseMoveEvent(QMouseEvent *ev) override;
37 
38  void setPanel(tlp::WorkspacePanel *panel);
39 
40 private:
41  tlp::WorkspacePanel *_panel;
42  bool _pressed;
43  QPoint _clickPosition;
44 };
45 }
46 #endif //_DRAGHANDLE_H
47 ///@endcond