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1d8dca91 | 1 | /* |
b3f22de0 | 2 | * This file is part of the PulseView project. |
1d8dca91 JH |
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 | #include "header.h" | |
22 | #include "view.h" | |
23 | ||
51e77110 JH |
24 | #include "../signal.h" |
25 | #include "../sigsession.h" | |
1d8dca91 JH |
26 | |
27 | #include <assert.h> | |
28 | ||
29 | #include <boost/foreach.hpp> | |
30 | ||
a29bb7fb | 31 | #include <QMouseEvent> |
1d8dca91 JH |
32 | #include <QPainter> |
33 | #include <QRect> | |
34 | ||
35 | using namespace boost; | |
36 | using namespace std; | |
37 | ||
38 | namespace pv { | |
39 | namespace view { | |
40 | ||
41 | Header::Header(View &parent) : | |
42 | QWidget(&parent), | |
43 | _view(parent) | |
44 | { | |
a29bb7fb | 45 | setMouseTracking(true); |
1d8dca91 JH |
46 | } |
47 | ||
48 | void Header::paintEvent(QPaintEvent *event) | |
49 | { | |
50 | const int w = width(); | |
51 | const vector< shared_ptr<Signal> > &sigs = | |
52 | _view.session().get_signals(); | |
53 | ||
54 | QPainter painter(this); | |
55 | painter.setRenderHint(QPainter::Antialiasing); | |
56 | ||
57 | int offset = -_view.v_offset(); | |
58 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) | |
59 | { | |
60 | assert(s); | |
61 | ||
a29bb7fb JH |
62 | const QRect signal_heading_rect( |
63 | 0, offset, w, View::SignalHeight); | |
64 | ||
65 | s->paint_label(painter, signal_heading_rect, | |
ed6f0f4f | 66 | s->pt_in_label_rect(signal_heading_rect, _mouse_point)); |
1d8dca91 JH |
67 | |
68 | offset += View::SignalHeight; | |
69 | } | |
70 | ||
71 | painter.end(); | |
72 | } | |
73 | ||
a29bb7fb JH |
74 | void Header::mouseMoveEvent(QMouseEvent *event) |
75 | { | |
76 | assert(event); | |
77 | _mouse_point = event->pos(); | |
78 | update(); | |
79 | } | |
80 | ||
81 | void Header::leaveEvent(QEvent *event) | |
82 | { | |
83 | _mouse_point = QPoint(-1, -1); | |
84 | update(); | |
85 | } | |
86 | ||
1d8dca91 JH |
87 | } // namespace view |
88 | } // namespace pv |