PlotZoomerMachine.cpp
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1 /******************************************************************************
2  * Copyright (C) 2015 by Ralf Kaestner *
3  * ralf.kaestner@gmail.com *
4  * *
5  * This program is free software; you can redistribute it and/or modify *
6  * it under the terms of the Lesser GNU General Public License as published by*
7  * the Free Software Foundation; either version 3 of the License, or *
8  * (at your option) any later version. *
9  * *
10  * This program is distributed in the hope that it will be useful, *
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13  * Lesser GNU General Public License for more details. *
14  * *
15  * You should have received a copy of the Lesser GNU General Public License *
16  * along with this program. If not, see <http://www.gnu.org/licenses/>. *
17  ******************************************************************************/
18 
19 #include <QEvent>
20 #include <QMouseEvent>
21 
22 #include <qwt/qwt_event_pattern.h>
23 
25 
26 namespace rqt_multiplot {
27 
28 /*****************************************************************************/
29 /* Constructors and Destructor */
30 /*****************************************************************************/
31 
33 }
34 
36 }
37 
38 /*****************************************************************************/
39 /* Methods */
40 /*****************************************************************************/
41 
42 QList<QwtPickerMachine::Command> PlotZoomerMachine::transition(const
43  QwtEventPattern& pattern, const QEvent* event) {
44  QList<QwtPickerMachine::Command> commands;
45 
46  if (event->type() == QEvent::MouseButtonDblClick) {
47  if (pattern.mouseMatch(QwtEventPattern::MouseSelect1,
48  static_cast<const QMouseEvent*>(event))) {
49  if (state() == 0) {
50  commands += Begin;
51  commands += Append;
52  commands += Append;
53 
54  setState(2);
55  }
56  }
57  }
58  else if (event->type() != QEvent::MouseButtonPress)
59  commands = QwtPickerDragRectMachine::transition(pattern, event);
60 
61  return commands;
62 }
63 
64 }
QList< Command > transition(const QwtEventPattern &pattern, const QEvent *event)
Append


rqt_multiplot
Author(s): Ralf Kaestner
autogenerated on Wed Jul 10 2019 03:49:44