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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 | #include <extdef.h> | |
22 | ||
23 | #include <assert.h> | |
24 | #include <math.h> | |
25 | ||
26 | #include <QApplication> | |
27 | ||
28 | #include "signal.h" | |
29 | #include "view.h" | |
30 | ||
31 | namespace pv { | |
32 | namespace view { | |
33 | ||
34 | const int Signal::LabelHitPadding = 2; | |
35 | ||
36 | const QPen Signal::SignalAxisPen(QColor(128, 128, 128, 64)); | |
37 | ||
38 | const char *const ProbeNames[] = { | |
39 | "CLK", | |
40 | "DATA", | |
41 | "IN", | |
42 | "OUT", | |
43 | "RST", | |
44 | "Tx", | |
45 | "Rx", | |
46 | "EN", | |
47 | "SCLK", | |
48 | "MOSI", | |
49 | "MISO", | |
50 | "/SS", | |
51 | "SDA", | |
52 | "SCL" | |
53 | }; | |
54 | ||
55 | Signal::Signal(pv::SigSession &session, const sr_probe *const probe) : | |
56 | _session(session), | |
57 | _probe(probe), | |
58 | _name(probe->name), | |
59 | _v_offset(0), | |
60 | _name_action(NULL), | |
61 | _name_widget(), | |
62 | _updating_name_widget(false) | |
63 | { | |
64 | assert(_probe); | |
65 | ||
66 | _name_action.setDefaultWidget(&_name_widget); | |
67 | ||
68 | _name_widget.setEditable(true); | |
69 | for(unsigned int i = 0; i < countof(ProbeNames); i++) | |
70 | _name_widget.insertItem(i, ProbeNames[i]); | |
71 | _name_widget.setEditText(probe->name); | |
72 | ||
73 | connect(&_name_widget, SIGNAL(editTextChanged(const QString&)), | |
74 | this, SLOT(on_text_changed(const QString&))); | |
75 | } | |
76 | ||
77 | QString Signal::get_name() const | |
78 | { | |
79 | return _name; | |
80 | } | |
81 | ||
82 | void Signal::set_name(QString name) | |
83 | { | |
84 | _name = name; | |
85 | _updating_name_widget = true; | |
86 | _name_widget.setEditText(name); | |
87 | _updating_name_widget = false; | |
88 | } | |
89 | ||
90 | QColor Signal::get_colour() const | |
91 | { | |
92 | return _colour; | |
93 | } | |
94 | ||
95 | void Signal::set_colour(QColor colour) | |
96 | { | |
97 | _colour = colour; | |
98 | } | |
99 | ||
100 | int Signal::get_v_offset() const | |
101 | { | |
102 | return _v_offset; | |
103 | } | |
104 | ||
105 | void Signal::set_v_offset(int v_offset) | |
106 | { | |
107 | _v_offset = v_offset; | |
108 | } | |
109 | ||
110 | void Signal::paint_label(QPainter &p, int y, int right, bool hover) | |
111 | { | |
112 | p.setBrush(_colour); | |
113 | ||
114 | if (!_probe->enabled) | |
115 | return; | |
116 | ||
117 | const QColor colour = get_colour(); | |
118 | ||
119 | compute_text_size(p); | |
120 | const QRectF label_rect = get_label_rect(y, right); | |
121 | ||
122 | // Paint the label | |
123 | const QPointF points[] = { | |
124 | label_rect.topLeft(), | |
125 | label_rect.topRight(), | |
126 | QPointF(right, y), | |
127 | label_rect.bottomRight(), | |
128 | label_rect.bottomLeft() | |
129 | }; | |
130 | ||
131 | const QPointF highlight_points[] = { | |
132 | QPointF(label_rect.left() + 1, label_rect.top() + 1), | |
133 | QPointF(label_rect.right(), label_rect.top() + 1), | |
134 | QPointF(right - 1, y), | |
135 | QPointF(label_rect.right(), label_rect.bottom() - 1), | |
136 | QPointF(label_rect.left() + 1, label_rect.bottom() - 1) | |
137 | }; | |
138 | ||
139 | if (selected()) { | |
140 | p.setPen(highlight_pen()); | |
141 | p.setBrush(Qt::transparent); | |
142 | p.drawPolygon(points, countof(points)); | |
143 | } | |
144 | ||
145 | p.setPen(Qt::transparent); | |
146 | p.setBrush(hover ? colour.lighter() : colour); | |
147 | p.drawPolygon(points, countof(points)); | |
148 | ||
149 | p.setPen(colour.lighter()); | |
150 | p.setBrush(Qt::transparent); | |
151 | p.drawPolygon(highlight_points, countof(highlight_points)); | |
152 | ||
153 | p.setPen(colour.darker()); | |
154 | p.setBrush(Qt::transparent); | |
155 | p.drawPolygon(points, countof(points)); | |
156 | ||
157 | // Paint the text | |
158 | p.setPen((colour.lightness() > 64) ? Qt::black : Qt::white); | |
159 | p.drawText(label_rect, Qt::AlignCenter | Qt::AlignVCenter, _name); | |
160 | } | |
161 | ||
162 | bool Signal::pt_in_label_rect(int y, int left, int right, | |
163 | const QPoint &point) | |
164 | { | |
165 | (void)left; | |
166 | ||
167 | const QRectF label = get_label_rect(y, right); | |
168 | return QRectF( | |
169 | QPointF(label.left() - LabelHitPadding, | |
170 | label.top() - LabelHitPadding), | |
171 | QPointF(right, label.bottom() + LabelHitPadding) | |
172 | ).contains(point); | |
173 | } | |
174 | ||
175 | void Signal::paint_axis(QPainter &p, int y, int left, int right) | |
176 | { | |
177 | p.setPen(SignalAxisPen); | |
178 | p.drawLine(QPointF(left, y + 0.5f), QPointF(right, y + 0.5f)); | |
179 | } | |
180 | ||
181 | void Signal::compute_text_size(QPainter &p) | |
182 | { | |
183 | _text_size = QSize( | |
184 | p.boundingRect(QRectF(), 0, _name).width(), | |
185 | p.boundingRect(QRectF(), 0, "Tg").height()); | |
186 | } | |
187 | ||
188 | QRectF Signal::get_label_rect(int y, int right) | |
189 | { | |
190 | using pv::view::View; | |
191 | ||
192 | const QSizeF label_size( | |
193 | _text_size.width() + View::LabelPadding.width() * 2, | |
194 | ceilf((_text_size.height() + View::LabelPadding.height() * 2) / 2) * 2); | |
195 | const float label_arrow_length = label_size.height() / 2; | |
196 | return QRectF( | |
197 | right - label_arrow_length - label_size.width() - 0.5, | |
198 | y + 0.5f - label_size.height() / 2, | |
199 | label_size.width(), label_size.height()); | |
200 | } | |
201 | ||
202 | void Signal::on_text_changed(const QString &text) | |
203 | { | |
204 | _name = text; | |
205 | text_changed(); | |
206 | } | |
207 | ||
208 | } // namespace view | |
209 | } // namespace pv |