]>
Commit | Line | Data |
---|---|---|
28a4c9c5 | 1 | /* |
b3f22de0 | 2 | * This file is part of the PulseView project. |
28a4c9c5 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 | ||
cef18fc6 | 21 | #include <extdef.h> |
28a4c9c5 | 22 | |
e3374498 JH |
23 | #include <QApplication> |
24 | ||
cef18fc6 | 25 | #include "signal.h" |
8d634081 | 26 | #include "view.h" |
3e46726a | 27 | |
51e77110 | 28 | namespace pv { |
8d634081 | 29 | namespace view { |
51e77110 | 30 | |
a29bb7fb | 31 | const int Signal::LabelHitPadding = 2; |
e3374498 | 32 | const int Signal::LabelHighlightRadius = 6; |
28a4c9c5 | 33 | |
3ef6182a JH |
34 | const QPen Signal::SignalAxisPen(QColor(128, 128, 128, 64)); |
35 | ||
2858b391 | 36 | Signal::Signal(QString name) : |
2e575351 | 37 | _name(name), |
e3374498 JH |
38 | _v_offset(0), |
39 | _selected(false) | |
28a4c9c5 JH |
40 | { |
41 | } | |
42 | ||
43 | QString Signal::get_name() const | |
44 | { | |
45 | return _name; | |
46 | } | |
3e46726a | 47 | |
49f8ff3f JH |
48 | void Signal::set_name(QString name) |
49 | { | |
50 | _name = name; | |
51 | } | |
52 | ||
b3b57abc JH |
53 | QColor Signal::get_colour() const |
54 | { | |
55 | return _colour; | |
56 | } | |
57 | ||
58 | void Signal::set_colour(QColor colour) | |
59 | { | |
60 | _colour = colour; | |
61 | } | |
62 | ||
2e575351 JH |
63 | int Signal::get_v_offset() const |
64 | { | |
65 | return _v_offset; | |
66 | } | |
67 | ||
68 | void Signal::set_v_offset(int v_offset) | |
69 | { | |
70 | _v_offset = v_offset; | |
71 | } | |
72 | ||
e3374498 JH |
73 | bool Signal::selected() const |
74 | { | |
75 | return _selected; | |
76 | } | |
77 | ||
78 | void Signal::select(bool select) | |
79 | { | |
80 | _selected = select; | |
81 | } | |
82 | ||
2658961b | 83 | void Signal::paint_label(QPainter &p, int y, int right, bool hover) |
3b258424 | 84 | { |
b3b57abc | 85 | p.setBrush(_colour); |
3b258424 JH |
86 | |
87 | const QColor colour = get_colour(); | |
ed6f0f4f JH |
88 | |
89 | compute_text_size(p); | |
2658961b | 90 | const QRectF label_rect = get_label_rect(y, right); |
3e46726a JH |
91 | |
92 | // Paint the label | |
93 | const QPointF points[] = { | |
94 | label_rect.topLeft(), | |
95 | label_rect.topRight(), | |
2658961b | 96 | QPointF(right, y), |
3e46726a JH |
97 | label_rect.bottomRight(), |
98 | label_rect.bottomLeft() | |
99 | }; | |
100 | ||
c9b6acc1 JH |
101 | const QPointF highlight_points[] = { |
102 | QPointF(label_rect.left() + 1, label_rect.top() + 1), | |
103 | QPointF(label_rect.right(), label_rect.top() + 1), | |
2658961b | 104 | QPointF(right - 1, y), |
c9b6acc1 JH |
105 | QPointF(label_rect.right(), label_rect.bottom() - 1), |
106 | QPointF(label_rect.left() + 1, label_rect.bottom() - 1) | |
107 | }; | |
108 | ||
333d5bbc | 109 | if (_selected) { |
e3374498 JH |
110 | p.setPen(QPen(QApplication::palette().brush( |
111 | QPalette::Highlight), LabelHighlightRadius, | |
112 | Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin)); | |
113 | p.setBrush(Qt::transparent); | |
114 | p.drawPolygon(points, countof(points)); | |
115 | } | |
116 | ||
c9b6acc1 | 117 | p.setPen(Qt::transparent); |
a29bb7fb | 118 | p.setBrush(hover ? colour.lighter() : colour); |
3e46726a JH |
119 | p.drawPolygon(points, countof(points)); |
120 | ||
c9b6acc1 JH |
121 | p.setPen(colour.lighter()); |
122 | p.setBrush(Qt::transparent); | |
123 | p.drawPolygon(highlight_points, countof(highlight_points)); | |
124 | ||
125 | p.setPen(colour.darker()); | |
126 | p.setBrush(Qt::transparent); | |
127 | p.drawPolygon(points, countof(points)); | |
128 | ||
3e46726a JH |
129 | // Paint the text |
130 | p.setPen((colour.lightness() > 64) ? Qt::black : Qt::white); | |
3b258424 | 131 | p.drawText(label_rect, Qt::AlignCenter | Qt::AlignVCenter, _name); |
3e46726a | 132 | } |
51e77110 | 133 | |
2658961b JH |
134 | bool Signal::pt_in_label_rect(int y, int left, int right, |
135 | const QPoint &point) | |
a29bb7fb | 136 | { |
94fe58ef UH |
137 | (void)left; |
138 | ||
2658961b | 139 | const QRectF label = get_label_rect(y, right); |
a29bb7fb JH |
140 | return QRectF( |
141 | QPointF(label.left() - LabelHitPadding, | |
142 | label.top() - LabelHitPadding), | |
2658961b JH |
143 | QPointF(right, label.bottom() + LabelHitPadding) |
144 | ).contains(point); | |
a29bb7fb JH |
145 | } |
146 | ||
3ef6182a JH |
147 | void Signal::paint_axis(QPainter &p, int y, int left, int right) |
148 | { | |
149 | p.setPen(SignalAxisPen); | |
150 | p.drawLine(QPointF(left, y + 0.5f), QPointF(right, y + 0.5f)); | |
151 | } | |
152 | ||
ed6f0f4f | 153 | void Signal::compute_text_size(QPainter &p) |
a29bb7fb | 154 | { |
5ce37f0f JH |
155 | _text_size = QSize( |
156 | p.boundingRect(QRectF(), 0, _name).width(), | |
157 | p.boundingRect(QRectF(), 0, "Tg").height()); | |
ed6f0f4f | 158 | } |
a29bb7fb | 159 | |
2658961b | 160 | QRectF Signal::get_label_rect(int y, int right) |
ed6f0f4f | 161 | { |
2e04f9bd JH |
162 | using pv::view::View; |
163 | ||
a29bb7fb | 164 | const QSizeF label_size( |
2e04f9bd JH |
165 | _text_size.width() + View::LabelPadding.width() * 2, |
166 | _text_size.height() + View::LabelPadding.height() * 2); | |
a29bb7fb JH |
167 | const float label_arrow_length = label_size.height() / 2; |
168 | return QRectF( | |
2658961b JH |
169 | right - label_arrow_length - label_size.width() - 0.5, |
170 | y + 0.5f - label_size.height() / 2, | |
a29bb7fb JH |
171 | label_size.width(), label_size.height()); |
172 | } | |
173 | ||
8d634081 | 174 | } // namespace view |
51e77110 | 175 | } // namespace pv |