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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 | ||
8d634081 | 24 | #include "signal.h" |
51e77110 | 25 | #include "../sigsession.h" |
1d8dca91 JH |
26 | |
27 | #include <assert.h> | |
28 | ||
29 | #include <boost/foreach.hpp> | |
30 | ||
e3374498 | 31 | #include <QApplication> |
b3b57abc | 32 | #include <QColorDialog> |
49f8ff3f JH |
33 | #include <QInputDialog> |
34 | #include <QMenu> | |
a29bb7fb | 35 | #include <QMouseEvent> |
1d8dca91 JH |
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) : | |
c23b29d6 | 46 | MarginWidget(parent), |
b3b57abc JH |
47 | _action_set_name(new QAction(tr("Set &Name..."), this)), |
48 | _action_set_colour(new QAction(tr("Set &Colour..."), this)) | |
1d8dca91 | 49 | { |
a29bb7fb | 50 | setMouseTracking(true); |
49f8ff3f JH |
51 | |
52 | connect(_action_set_name, SIGNAL(triggered()), | |
53 | this, SLOT(on_action_set_name_triggered())); | |
b3b57abc JH |
54 | connect(_action_set_colour, SIGNAL(triggered()), |
55 | this, SLOT(on_action_set_colour_triggered())); | |
07204819 JH |
56 | |
57 | connect(&_view, SIGNAL(signals_moved()), | |
58 | this, SLOT(on_signals_moved())); | |
1d8dca91 JH |
59 | } |
60 | ||
e3374498 JH |
61 | boost::shared_ptr<pv::view::Signal> Header::get_mouse_over_signal( |
62 | const QPoint &pt) | |
63 | { | |
64 | const int w = width(); | |
3868e5fa JH |
65 | const vector< shared_ptr<Signal> > sigs( |
66 | _view.session().get_signals()); | |
e3374498 JH |
67 | |
68 | const int v_offset = _view.v_offset(); | |
69 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) | |
70 | { | |
71 | assert(s); | |
72 | ||
2658961b JH |
73 | if (s->pt_in_label_rect(s->get_v_offset() - v_offset, |
74 | 0, w, pt)) | |
e3374498 JH |
75 | return s; |
76 | } | |
77 | ||
78 | return shared_ptr<Signal>(); | |
79 | } | |
80 | ||
e314eca4 | 81 | void Header::paintEvent(QPaintEvent*) |
1d8dca91 JH |
82 | { |
83 | const int w = width(); | |
3868e5fa JH |
84 | const vector< shared_ptr<Signal> > sigs( |
85 | _view.session().get_signals()); | |
1d8dca91 JH |
86 | |
87 | QPainter painter(this); | |
88 | painter.setRenderHint(QPainter::Antialiasing); | |
89 | ||
2e575351 | 90 | const int v_offset = _view.v_offset(); |
fdf5ff04 | 91 | const bool dragging = !_drag_sigs.empty(); |
1d8dca91 JH |
92 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) |
93 | { | |
94 | assert(s); | |
95 | ||
2658961b | 96 | const int y = s->get_v_offset() - v_offset; |
fdf5ff04 | 97 | const bool highlight = !dragging && s->pt_in_label_rect( |
2658961b JH |
98 | y, 0, w, _mouse_point); |
99 | s->paint_label(painter, y, w, highlight); | |
1d8dca91 JH |
100 | } |
101 | ||
102 | painter.end(); | |
103 | } | |
104 | ||
e3374498 JH |
105 | void Header::mousePressEvent(QMouseEvent *event) |
106 | { | |
107 | assert(event); | |
108 | ||
3868e5fa JH |
109 | const vector< shared_ptr<Signal> > sigs( |
110 | _view.session().get_signals()); | |
e3374498 | 111 | |
333d5bbc | 112 | if (event->button() & Qt::LeftButton) { |
54401bbb JH |
113 | _mouse_down_point = event->pos(); |
114 | ||
da2bebfb | 115 | // Save the offsets of any signals which will be dragged |
54401bbb | 116 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) |
333d5bbc | 117 | if (s->selected()) |
da2bebfb JH |
118 | _drag_sigs.push_back( |
119 | make_pair(s, s->get_v_offset())); | |
120 | } | |
121 | ||
122 | // Select the signal if it has been clicked | |
123 | const shared_ptr<Signal> mouse_over_signal = | |
124 | get_mouse_over_signal(event->pos()); | |
333d5bbc UH |
125 | if (mouse_over_signal) { |
126 | if (mouse_over_signal->selected()) | |
da2bebfb JH |
127 | mouse_over_signal->select(false); |
128 | else { | |
129 | mouse_over_signal->select(true); | |
130 | ||
333d5bbc | 131 | if (~QApplication::keyboardModifiers() & |
07204819 JH |
132 | Qt::ControlModifier) |
133 | _drag_sigs.clear(); | |
134 | ||
da2bebfb | 135 | // Add the signal to the drag list |
333d5bbc | 136 | if (event->button() & Qt::LeftButton) |
07204819 JH |
137 | _drag_sigs.push_back( |
138 | make_pair(mouse_over_signal, | |
da2bebfb JH |
139 | mouse_over_signal->get_v_offset())); |
140 | } | |
54401bbb JH |
141 | } |
142 | ||
333d5bbc | 143 | if (~QApplication::keyboardModifiers() & Qt::ControlModifier) { |
07204819 JH |
144 | // Unselect all other signals because the Ctrl is not |
145 | // pressed | |
146 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) | |
333d5bbc | 147 | if (s != mouse_over_signal) |
07204819 JH |
148 | s->select(false); |
149 | } | |
150 | ||
e3374498 JH |
151 | update(); |
152 | } | |
153 | ||
54401bbb JH |
154 | void Header::mouseReleaseEvent(QMouseEvent *event) |
155 | { | |
156 | assert(event); | |
333d5bbc | 157 | if (event->button() == Qt::LeftButton) { |
da2bebfb | 158 | _drag_sigs.clear(); |
4b192962 JH |
159 | _view.normalize_layout(); |
160 | } | |
54401bbb JH |
161 | } |
162 | ||
a29bb7fb JH |
163 | void Header::mouseMoveEvent(QMouseEvent *event) |
164 | { | |
165 | assert(event); | |
166 | _mouse_point = event->pos(); | |
54401bbb JH |
167 | |
168 | // Move the signals if we are dragging | |
333d5bbc | 169 | if (!_drag_sigs.empty()) { |
54401bbb JH |
170 | const int delta = event->pos().y() - _mouse_down_point.y(); |
171 | ||
333d5bbc | 172 | for (std::list<std::pair<boost::weak_ptr<Signal>, |
da2bebfb JH |
173 | int> >::iterator i = _drag_sigs.begin(); |
174 | i != _drag_sigs.end(); i++) { | |
175 | const boost::shared_ptr<Signal> sig((*i).first); | |
333d5bbc | 176 | if (sig) { |
da2bebfb | 177 | const int y = (*i).second + delta; |
49153683 JH |
178 | const int y_snap = |
179 | ((y + View::SignalSnapGridSize / 2) / | |
180 | View::SignalSnapGridSize) * | |
181 | View::SignalSnapGridSize; | |
da2bebfb JH |
182 | sig->set_v_offset(y_snap); |
183 | ||
184 | // Ensure the signal is selected | |
185 | sig->select(); | |
49153683 | 186 | } |
da2bebfb JH |
187 | |
188 | } | |
54401bbb JH |
189 | |
190 | signals_moved(); | |
191 | } | |
192 | ||
a29bb7fb JH |
193 | update(); |
194 | } | |
195 | ||
e314eca4 | 196 | void Header::leaveEvent(QEvent*) |
a29bb7fb JH |
197 | { |
198 | _mouse_point = QPoint(-1, -1); | |
199 | update(); | |
200 | } | |
201 | ||
49f8ff3f JH |
202 | void Header::contextMenuEvent(QContextMenuEvent *event) |
203 | { | |
e3374498 | 204 | const shared_ptr<Signal> s = get_mouse_over_signal(_mouse_point); |
49f8ff3f | 205 | |
333d5bbc | 206 | if (!s) |
e3374498 | 207 | return; |
49f8ff3f | 208 | |
e3374498 JH |
209 | QMenu menu(this); |
210 | menu.addAction(_action_set_name); | |
211 | menu.addAction(_action_set_colour); | |
49f8ff3f | 212 | |
e3374498 JH |
213 | _context_signal = s; |
214 | menu.exec(event->globalPos()); | |
215 | _context_signal.reset(); | |
49f8ff3f JH |
216 | } |
217 | ||
218 | void Header::on_action_set_name_triggered() | |
219 | { | |
2c982fc3 JH |
220 | bool ok = false; |
221 | ||
8d634081 | 222 | shared_ptr<view::Signal> context_signal = _context_signal; |
333d5bbc | 223 | if (!context_signal) |
49f8ff3f JH |
224 | return; |
225 | ||
226 | const QString new_label = QInputDialog::getText(this, tr("Set Name"), | |
2c982fc3 | 227 | tr("Name"), QLineEdit::Normal, context_signal->get_name(), &ok); |
49f8ff3f | 228 | |
2c982fc3 | 229 | if (ok) |
49f8ff3f JH |
230 | context_signal->set_name(new_label); |
231 | } | |
232 | ||
b3b57abc JH |
233 | void Header::on_action_set_colour_triggered() |
234 | { | |
8d634081 | 235 | shared_ptr<view::Signal> context_signal = _context_signal; |
333d5bbc | 236 | if (!context_signal) |
b3b57abc JH |
237 | return; |
238 | ||
239 | const QColor new_colour = QColorDialog::getColor( | |
240 | context_signal->get_colour(), this, tr("Set Colour")); | |
241 | ||
333d5bbc | 242 | if (new_colour.isValid()) |
b3b57abc JH |
243 | context_signal->set_colour(new_colour); |
244 | } | |
245 | ||
07204819 JH |
246 | void Header::on_signals_moved() |
247 | { | |
248 | update(); | |
249 | } | |
250 | ||
251 | ||
1d8dca91 JH |
252 | } // namespace view |
253 | } // namespace pv |