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931f20b0 JH |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2013 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 | ||
9b6378f1 JH |
26 | #include <QColorDialog> |
27 | #include <QInputDialog> | |
28 | ||
931f20b0 JH |
29 | #include "trace.h" |
30 | #include "view.h" | |
31 | ||
569d1e41 JH |
32 | #include <pv/widgets/popup.h> |
33 | ||
931f20b0 JH |
34 | namespace pv { |
35 | namespace view { | |
36 | ||
fe08b6e8 | 37 | const QPen Trace::AxisPen(QColor(128, 128, 128, 64)); |
931f20b0 JH |
38 | const int Trace::LabelHitPadding = 2; |
39 | ||
40 | Trace::Trace(pv::SigSession &session, QString name) : | |
41 | _session(session), | |
42 | _name(name), | |
43 | _v_offset(0) | |
44 | { | |
45 | } | |
46 | ||
47 | QString Trace::get_name() const | |
48 | { | |
49 | return _name; | |
50 | } | |
51 | ||
52 | void Trace::set_name(QString name) | |
53 | { | |
54 | _name = name; | |
55 | } | |
56 | ||
57 | QColor Trace::get_colour() const | |
58 | { | |
59 | return _colour; | |
60 | } | |
61 | ||
62 | void Trace::set_colour(QColor colour) | |
63 | { | |
64 | _colour = colour; | |
65 | } | |
66 | ||
67 | int Trace::get_v_offset() const | |
68 | { | |
69 | return _v_offset; | |
70 | } | |
71 | ||
72 | void Trace::set_v_offset(int v_offset) | |
73 | { | |
74 | _v_offset = v_offset; | |
75 | } | |
76 | ||
01fd3263 | 77 | void Trace::set_view(pv::view::View *view) |
931f20b0 | 78 | { |
01fd3263 JH |
79 | assert(view); |
80 | _view = view; | |
81 | } | |
82 | ||
fe08b6e8 JH |
83 | void Trace::paint_back(QPainter &p, int left, int right) |
84 | { | |
85 | (void)p; | |
86 | (void)left; | |
87 | (void)right; | |
88 | } | |
89 | ||
90 | void Trace::paint_mid(QPainter &p, int left, int right) | |
91 | { | |
92 | (void)p; | |
93 | (void)left; | |
94 | (void)right; | |
95 | } | |
96 | ||
97 | void Trace::paint_fore(QPainter &p, int left, int right) | |
98 | { | |
99 | (void)p; | |
100 | (void)left; | |
101 | (void)right; | |
102 | } | |
103 | ||
01fd3263 JH |
104 | void Trace::paint_label(QPainter &p, int right, bool hover) |
105 | { | |
106 | assert(_view); | |
107 | const int y = _v_offset - _view->v_offset(); | |
108 | ||
931f20b0 JH |
109 | p.setBrush(_colour); |
110 | ||
111 | if (!enabled()) | |
112 | return; | |
113 | ||
114 | const QColor colour = get_colour(); | |
115 | ||
116 | compute_text_size(p); | |
01fd3263 | 117 | const QRectF label_rect = get_label_rect(right); |
931f20b0 JH |
118 | |
119 | // Paint the label | |
120 | const QPointF points[] = { | |
121 | label_rect.topLeft(), | |
122 | label_rect.topRight(), | |
123 | QPointF(right, y), | |
124 | label_rect.bottomRight(), | |
125 | label_rect.bottomLeft() | |
126 | }; | |
127 | ||
128 | const QPointF highlight_points[] = { | |
129 | QPointF(label_rect.left() + 1, label_rect.top() + 1), | |
130 | QPointF(label_rect.right(), label_rect.top() + 1), | |
131 | QPointF(right - 1, y), | |
132 | QPointF(label_rect.right(), label_rect.bottom() - 1), | |
133 | QPointF(label_rect.left() + 1, label_rect.bottom() - 1) | |
134 | }; | |
135 | ||
136 | if (selected()) { | |
137 | p.setPen(highlight_pen()); | |
138 | p.setBrush(Qt::transparent); | |
139 | p.drawPolygon(points, countof(points)); | |
140 | } | |
141 | ||
142 | p.setPen(Qt::transparent); | |
143 | p.setBrush(hover ? colour.lighter() : colour); | |
144 | p.drawPolygon(points, countof(points)); | |
145 | ||
146 | p.setPen(colour.lighter()); | |
147 | p.setBrush(Qt::transparent); | |
148 | p.drawPolygon(highlight_points, countof(highlight_points)); | |
149 | ||
150 | p.setPen(colour.darker()); | |
151 | p.setBrush(Qt::transparent); | |
152 | p.drawPolygon(points, countof(points)); | |
153 | ||
154 | // Paint the text | |
410f9c81 | 155 | p.setPen(get_text_colour()); |
931f20b0 JH |
156 | p.drawText(label_rect, Qt::AlignCenter | Qt::AlignVCenter, _name); |
157 | } | |
158 | ||
01fd3263 | 159 | bool Trace::pt_in_label_rect(int left, int right, const QPoint &point) |
931f20b0 JH |
160 | { |
161 | (void)left; | |
162 | ||
01fd3263 | 163 | const QRectF label = get_label_rect(right); |
931f20b0 JH |
164 | return QRectF( |
165 | QPointF(label.left() - LabelHitPadding, | |
166 | label.top() - LabelHitPadding), | |
167 | QPointF(right, label.bottom() + LabelHitPadding) | |
168 | ).contains(point); | |
169 | } | |
170 | ||
9b6378f1 JH |
171 | QMenu* Trace::create_context_menu(QWidget *parent) |
172 | { | |
173 | QMenu *const menu = SelectableItem::create_context_menu(parent); | |
174 | ||
175 | QAction *const set_name = new QAction(tr("Set &Name..."), this); | |
176 | connect(set_name, SIGNAL(triggered()), | |
177 | this, SLOT(on_action_set_name_triggered())); | |
178 | menu->addAction(set_name); | |
179 | ||
180 | QAction *const set_colour = new QAction(tr("Set &Colour..."), this); | |
181 | connect(set_colour, SIGNAL(triggered()), | |
182 | this, SLOT(on_action_set_colour_triggered())); | |
183 | menu->addAction(set_colour); | |
184 | ||
185 | return menu; | |
186 | } | |
187 | ||
569d1e41 JH |
188 | pv::widgets::Popup* Trace::create_popup(QWidget *parent) |
189 | { | |
190 | using pv::widgets::Popup; | |
191 | Popup *const popup = new Popup(parent); | |
192 | QFormLayout *const form = new QFormLayout(popup); | |
193 | popup->setLayout(form); | |
194 | populate_popup_form(popup, form); | |
195 | return popup; | |
196 | } | |
197 | ||
fe08b6e8 JH |
198 | int Trace::get_y() const |
199 | { | |
200 | return _v_offset - _view->v_offset(); | |
201 | } | |
202 | ||
410f9c81 JH |
203 | QColor Trace::get_text_colour() const |
204 | { | |
205 | return (_colour.lightness() > 64) ? Qt::black : Qt::white; | |
206 | } | |
207 | ||
fe08b6e8 JH |
208 | void Trace::paint_axis(QPainter &p, int y, int left, int right) |
209 | { | |
210 | p.setPen(AxisPen); | |
211 | p.drawLine(QPointF(left, y + 0.5f), QPointF(right, y + 0.5f)); | |
212 | } | |
213 | ||
569d1e41 JH |
214 | void Trace::populate_popup_form(QWidget *parent, QFormLayout *form) |
215 | { | |
216 | form->addRow("Name", new QLineEdit(parent)); | |
217 | } | |
218 | ||
931f20b0 JH |
219 | void Trace::compute_text_size(QPainter &p) |
220 | { | |
221 | _text_size = QSize( | |
222 | p.boundingRect(QRectF(), 0, _name).width(), | |
223 | p.boundingRect(QRectF(), 0, "Tg").height()); | |
224 | } | |
225 | ||
01fd3263 | 226 | QRectF Trace::get_label_rect(int right) |
931f20b0 JH |
227 | { |
228 | using pv::view::View; | |
229 | ||
01fd3263 | 230 | assert(_view); |
01fd3263 | 231 | |
931f20b0 JH |
232 | const QSizeF label_size( |
233 | _text_size.width() + View::LabelPadding.width() * 2, | |
234 | ceilf((_text_size.height() + View::LabelPadding.height() * 2) / 2) * 2); | |
235 | const float label_arrow_length = label_size.height() / 2; | |
236 | return QRectF( | |
237 | right - label_arrow_length - label_size.width() - 0.5, | |
f39936fb | 238 | get_y() + 0.5f - label_size.height() / 2, |
931f20b0 JH |
239 | label_size.width(), label_size.height()); |
240 | } | |
241 | ||
9b6378f1 JH |
242 | void Trace::on_action_set_name_triggered() |
243 | { | |
244 | bool ok = false; | |
245 | ||
246 | const QString new_label = QInputDialog::getText(_context_parent, | |
247 | tr("Set Name"), tr("Name"), QLineEdit::Normal, get_name(), | |
248 | &ok); | |
249 | ||
250 | if (ok) | |
251 | set_name(new_label); | |
252 | } | |
253 | ||
254 | void Trace::on_action_set_colour_triggered() | |
255 | { | |
256 | const QColor new_colour = QColorDialog::getColor( | |
257 | get_colour(), _context_parent, tr("Set Colour")); | |
258 | ||
259 | if (new_colour.isValid()) | |
260 | set_colour(new_colour); | |
261 | } | |
262 | ||
263 | ||
931f20b0 JH |
264 | } // namespace view |
265 | } // namespace pv |