Mutex protected SigSession::_signals
[pulseview.git] / pv / view / header.h
1 /*
2  * This file is part of the PulseView project.
3  *
4  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
19  */
20
21 #ifndef PULSEVIEW_PV_VIEW_HEADER_H
22 #define PULSEVIEW_PV_VIEW_HEADER_H
23
24 #include <boost/shared_ptr.hpp>
25 #include <boost/weak_ptr.hpp>
26
27 #include <list>
28 #include <utility>
29
30 #include <QWidget>
31
32 namespace pv {
33 namespace view {
34
35 class Signal;
36 class View;
37
38 class Header : public QWidget
39 {
40         Q_OBJECT
41
42 public:
43         Header(View &parent);
44
45 private:
46         boost::shared_ptr<pv::view::Signal> get_mouse_over_signal(
47                 const QPoint &pt);
48
49 private:
50         void paintEvent(QPaintEvent *event);
51
52 private:
53         void mousePressEvent(QMouseEvent * event);
54
55         void mouseReleaseEvent(QMouseEvent *event);
56
57         void mouseMoveEvent(QMouseEvent *event);
58
59         void leaveEvent(QEvent *event);
60
61         void contextMenuEvent(QContextMenuEvent *event);
62
63 private slots:
64         void on_action_set_name_triggered();
65
66         void on_action_set_colour_triggered();
67
68         void on_signals_moved();
69
70 signals:
71         void signals_moved();
72
73 private:
74         View &_view;
75
76         QPoint _mouse_point;
77         QPoint _mouse_down_point;
78
79         std::list<std::pair<boost::weak_ptr<Signal>, int> >
80                 _drag_sigs;
81
82         boost::shared_ptr<Signal> _context_signal;
83         QAction *_action_set_name;
84         QAction *_action_set_colour;
85 };
86
87 } // namespace view
88 } // namespace pv
89
90 #endif // PULSEVIEW_PV_VIEW_HEADER_H