Added pv::widgets::ColourButton
[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 "marginwidget.h"
31
32 namespace pv {
33 namespace view {
34
35 class Trace;
36 class View;
37
38 class Header : public MarginWidget
39 {
40         Q_OBJECT
41
42 public:
43         Header(View &parent);
44
45 private:
46         boost::shared_ptr<pv::view::Trace> get_mouse_over_trace(
47                 const QPoint &pt);
48
49         void clear_selection();
50
51 private:
52         void paintEvent(QPaintEvent *event);
53
54 private:
55         void mousePressEvent(QMouseEvent * event);
56
57         void mouseReleaseEvent(QMouseEvent *event);
58
59         void mouseMoveEvent(QMouseEvent *event);
60
61         void leaveEvent(QEvent *event);
62
63         void contextMenuEvent(QContextMenuEvent *event);
64
65 private slots:
66         void on_signals_changed();
67
68         void on_signals_moved();
69
70 signals:
71         void signals_moved();
72
73 private:
74         QPoint _mouse_point;
75         QPoint _mouse_down_point;
76         bool _dragging;
77
78         std::list<std::pair<boost::weak_ptr<Trace>, int> >
79                 _drag_traces;
80 };
81
82 } // namespace view
83 } // namespace pv
84
85 #endif // PULSEVIEW_PV_VIEW_HEADER_H