]>
Commit | Line | Data |
---|---|---|
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 "header.h" | |
22 | #include "view.h" | |
23 | ||
24 | #include "signal.h" | |
25 | #include "../sigsession.h" | |
26 | ||
27 | #include <assert.h> | |
28 | ||
29 | #include <boost/foreach.hpp> | |
30 | ||
31 | #include <QApplication> | |
32 | #include <QColorDialog> | |
33 | #include <QInputDialog> | |
34 | #include <QMenu> | |
35 | #include <QMouseEvent> | |
36 | #include <QPainter> | |
37 | #include <QRect> | |
38 | ||
39 | using namespace boost; | |
40 | using namespace std; | |
41 | ||
42 | namespace pv { | |
43 | namespace view { | |
44 | ||
45 | Header::Header(View &parent) : | |
46 | MarginWidget(parent), | |
47 | _action_set_name(new QAction(tr("Set &Name..."), this)), | |
48 | _action_set_colour(new QAction(tr("Set &Colour..."), this)) | |
49 | { | |
50 | setMouseTracking(true); | |
51 | ||
52 | connect(_action_set_name, SIGNAL(triggered()), | |
53 | this, SLOT(on_action_set_name_triggered())); | |
54 | connect(_action_set_colour, SIGNAL(triggered()), | |
55 | this, SLOT(on_action_set_colour_triggered())); | |
56 | ||
57 | connect(&_view.session(), SIGNAL(signals_changed()), | |
58 | this, SLOT(on_signals_changed())); | |
59 | ||
60 | connect(&_view, SIGNAL(signals_moved()), | |
61 | this, SLOT(on_signals_moved())); | |
62 | } | |
63 | ||
64 | boost::shared_ptr<pv::view::Signal> Header::get_mouse_over_signal( | |
65 | const QPoint &pt) | |
66 | { | |
67 | const int w = width(); | |
68 | const vector< shared_ptr<Signal> > sigs( | |
69 | _view.session().get_signals()); | |
70 | ||
71 | const int v_offset = _view.v_offset(); | |
72 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) | |
73 | { | |
74 | assert(s); | |
75 | ||
76 | if (s->pt_in_label_rect(s->get_v_offset() - v_offset, | |
77 | 0, w, pt)) | |
78 | return s; | |
79 | } | |
80 | ||
81 | return shared_ptr<Signal>(); | |
82 | } | |
83 | ||
84 | void Header::clear_selection() | |
85 | { | |
86 | const vector< shared_ptr<Signal> > sigs( | |
87 | _view.session().get_signals()); | |
88 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) { | |
89 | assert(s); | |
90 | s->select(false); | |
91 | } | |
92 | ||
93 | update(); | |
94 | } | |
95 | ||
96 | void Header::paintEvent(QPaintEvent*) | |
97 | { | |
98 | const int w = width(); | |
99 | const vector< shared_ptr<Signal> > sigs( | |
100 | _view.session().get_signals()); | |
101 | ||
102 | QPainter painter(this); | |
103 | painter.setRenderHint(QPainter::Antialiasing); | |
104 | ||
105 | const int v_offset = _view.v_offset(); | |
106 | const bool dragging = !_drag_sigs.empty(); | |
107 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) | |
108 | { | |
109 | assert(s); | |
110 | ||
111 | const int y = s->get_v_offset() - v_offset; | |
112 | const bool highlight = !dragging && s->pt_in_label_rect( | |
113 | y, 0, w, _mouse_point); | |
114 | s->paint_label(painter, y, w, highlight); | |
115 | } | |
116 | ||
117 | painter.end(); | |
118 | } | |
119 | ||
120 | void Header::mousePressEvent(QMouseEvent *event) | |
121 | { | |
122 | assert(event); | |
123 | ||
124 | const vector< shared_ptr<Signal> > sigs( | |
125 | _view.session().get_signals()); | |
126 | ||
127 | if (event->button() & Qt::LeftButton) { | |
128 | _mouse_down_point = event->pos(); | |
129 | ||
130 | // Save the offsets of any signals which will be dragged | |
131 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) | |
132 | if (s->selected()) | |
133 | _drag_sigs.push_back( | |
134 | make_pair(s, s->get_v_offset())); | |
135 | } | |
136 | ||
137 | // Select the signal if it has been clicked | |
138 | const shared_ptr<Signal> mouse_over_signal = | |
139 | get_mouse_over_signal(event->pos()); | |
140 | if (mouse_over_signal) { | |
141 | if (mouse_over_signal->selected()) | |
142 | mouse_over_signal->select(false); | |
143 | else { | |
144 | mouse_over_signal->select(true); | |
145 | ||
146 | if (~QApplication::keyboardModifiers() & | |
147 | Qt::ControlModifier) | |
148 | _drag_sigs.clear(); | |
149 | ||
150 | // Add the signal to the drag list | |
151 | if (event->button() & Qt::LeftButton) | |
152 | _drag_sigs.push_back( | |
153 | make_pair(mouse_over_signal, | |
154 | mouse_over_signal->get_v_offset())); | |
155 | } | |
156 | } | |
157 | ||
158 | if (~QApplication::keyboardModifiers() & Qt::ControlModifier) { | |
159 | // Unselect all other signals because the Ctrl is not | |
160 | // pressed | |
161 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) | |
162 | if (s != mouse_over_signal) | |
163 | s->select(false); | |
164 | } | |
165 | ||
166 | selection_changed(); | |
167 | update(); | |
168 | } | |
169 | ||
170 | void Header::mouseReleaseEvent(QMouseEvent *event) | |
171 | { | |
172 | assert(event); | |
173 | if (event->button() == Qt::LeftButton) { | |
174 | _drag_sigs.clear(); | |
175 | _view.normalize_layout(); | |
176 | } | |
177 | } | |
178 | ||
179 | void Header::mouseMoveEvent(QMouseEvent *event) | |
180 | { | |
181 | assert(event); | |
182 | _mouse_point = event->pos(); | |
183 | ||
184 | // Move the signals if we are dragging | |
185 | if (!_drag_sigs.empty()) { | |
186 | const int delta = event->pos().y() - _mouse_down_point.y(); | |
187 | ||
188 | for (std::list<std::pair<boost::weak_ptr<Signal>, | |
189 | int> >::iterator i = _drag_sigs.begin(); | |
190 | i != _drag_sigs.end(); i++) { | |
191 | const boost::shared_ptr<Signal> sig((*i).first); | |
192 | if (sig) { | |
193 | const int y = (*i).second + delta; | |
194 | const int y_snap = | |
195 | ((y + View::SignalSnapGridSize / 2) / | |
196 | View::SignalSnapGridSize) * | |
197 | View::SignalSnapGridSize; | |
198 | sig->set_v_offset(y_snap); | |
199 | ||
200 | // Ensure the signal is selected | |
201 | sig->select(); | |
202 | } | |
203 | ||
204 | } | |
205 | ||
206 | signals_moved(); | |
207 | } | |
208 | ||
209 | update(); | |
210 | } | |
211 | ||
212 | void Header::leaveEvent(QEvent*) | |
213 | { | |
214 | _mouse_point = QPoint(-1, -1); | |
215 | update(); | |
216 | } | |
217 | ||
218 | void Header::contextMenuEvent(QContextMenuEvent *event) | |
219 | { | |
220 | const shared_ptr<Signal> s = get_mouse_over_signal(_mouse_point); | |
221 | ||
222 | if (!s) | |
223 | return; | |
224 | ||
225 | QMenu menu(this); | |
226 | menu.addAction(_action_set_name); | |
227 | menu.addAction(_action_set_colour); | |
228 | ||
229 | _context_signal = s; | |
230 | menu.exec(event->globalPos()); | |
231 | _context_signal.reset(); | |
232 | } | |
233 | ||
234 | void Header::on_action_set_name_triggered() | |
235 | { | |
236 | bool ok = false; | |
237 | ||
238 | shared_ptr<view::Signal> context_signal = _context_signal; | |
239 | if (!context_signal) | |
240 | return; | |
241 | ||
242 | const QString new_label = QInputDialog::getText(this, tr("Set Name"), | |
243 | tr("Name"), QLineEdit::Normal, context_signal->get_name(), &ok); | |
244 | ||
245 | if (ok) | |
246 | context_signal->set_name(new_label); | |
247 | } | |
248 | ||
249 | void Header::on_action_set_colour_triggered() | |
250 | { | |
251 | shared_ptr<view::Signal> context_signal = _context_signal; | |
252 | if (!context_signal) | |
253 | return; | |
254 | ||
255 | const QColor new_colour = QColorDialog::getColor( | |
256 | context_signal->get_colour(), this, tr("Set Colour")); | |
257 | ||
258 | if (new_colour.isValid()) | |
259 | context_signal->set_colour(new_colour); | |
260 | } | |
261 | ||
262 | void Header::on_signals_changed() | |
263 | { | |
264 | const vector< shared_ptr<Signal> > sigs(_view.session().get_signals()); | |
265 | BOOST_FOREACH(shared_ptr<Signal> s, sigs) { | |
266 | assert(s); | |
267 | connect(s.get(), SIGNAL(text_changed()), this, SLOT(update())); | |
268 | } | |
269 | } | |
270 | ||
271 | void Header::on_signals_moved() | |
272 | { | |
273 | update(); | |
274 | } | |
275 | ||
276 | ||
277 | } // namespace view | |
278 | } // namespace pv |