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Commit | Line | Data |
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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> |
49f8ff3f | 32 | #include <QMenu> |
a29bb7fb | 33 | #include <QMouseEvent> |
1d8dca91 JH |
34 | #include <QPainter> |
35 | #include <QRect> | |
36 | ||
569d1e41 JH |
37 | #include <pv/widgets/popup.h> |
38 | ||
1d8dca91 JH |
39 | using namespace boost; |
40 | using namespace std; | |
41 | ||
42 | namespace pv { | |
43 | namespace view { | |
44 | ||
45 | Header::Header(View &parent) : | |
728fcafc JH |
46 | MarginWidget(parent), |
47 | _dragging(false) | |
1d8dca91 | 48 | { |
a29bb7fb | 49 | setMouseTracking(true); |
49f8ff3f | 50 | |
9e40e83d JH |
51 | connect(&_view.session(), SIGNAL(signals_changed()), |
52 | this, SLOT(on_signals_changed())); | |
53 | ||
07204819 JH |
54 | connect(&_view, SIGNAL(signals_moved()), |
55 | this, SLOT(on_signals_moved())); | |
1d8dca91 JH |
56 | } |
57 | ||
38eeddea | 58 | shared_ptr<Trace> Header::get_mouse_over_trace(const QPoint &pt) |
e3374498 JH |
59 | { |
60 | const int w = width(); | |
38eeddea | 61 | const vector< shared_ptr<Trace> > traces(_view.get_traces()); |
e3374498 | 62 | |
38eeddea | 63 | BOOST_FOREACH(const shared_ptr<Trace> t, traces) |
e3374498 | 64 | { |
38eeddea | 65 | assert(t); |
01fd3263 | 66 | if (t->pt_in_label_rect(0, w, pt)) |
38eeddea | 67 | return t; |
e3374498 JH |
68 | } |
69 | ||
38eeddea | 70 | return shared_ptr<Trace>(); |
e3374498 JH |
71 | } |
72 | ||
a2ae0205 JH |
73 | void Header::clear_selection() |
74 | { | |
38eeddea JH |
75 | const vector< shared_ptr<Trace> > traces(_view.get_traces()); |
76 | BOOST_FOREACH(const shared_ptr<Trace> t, traces) { | |
77 | assert(t); | |
78 | t->select(false); | |
a2ae0205 JH |
79 | } |
80 | ||
81 | update(); | |
82 | } | |
83 | ||
e314eca4 | 84 | void Header::paintEvent(QPaintEvent*) |
1d8dca91 JH |
85 | { |
86 | const int w = width(); | |
38eeddea | 87 | const vector< shared_ptr<Trace> > traces(_view.get_traces()); |
1d8dca91 JH |
88 | |
89 | QPainter painter(this); | |
90 | painter.setRenderHint(QPainter::Antialiasing); | |
91 | ||
38eeddea JH |
92 | const bool dragging = !_drag_traces.empty(); |
93 | BOOST_FOREACH(const shared_ptr<Trace> t, traces) | |
1d8dca91 | 94 | { |
38eeddea | 95 | assert(t); |
1d8dca91 | 96 | |
38eeddea | 97 | const bool highlight = !dragging && t->pt_in_label_rect( |
01fd3263 JH |
98 | 0, w, _mouse_point); |
99 | t->paint_label(painter, w, highlight); | |
1d8dca91 JH |
100 | } |
101 | ||
102 | painter.end(); | |
103 | } | |
104 | ||
e3374498 JH |
105 | void Header::mousePressEvent(QMouseEvent *event) |
106 | { | |
107 | assert(event); | |
108 | ||
38eeddea | 109 | const vector< shared_ptr<Trace> > traces(_view.get_traces()); |
e3374498 | 110 | |
333d5bbc | 111 | if (event->button() & Qt::LeftButton) { |
54401bbb JH |
112 | _mouse_down_point = event->pos(); |
113 | ||
da2bebfb | 114 | // Save the offsets of any signals which will be dragged |
38eeddea JH |
115 | BOOST_FOREACH(const shared_ptr<Trace> t, traces) |
116 | if (t->selected()) | |
117 | _drag_traces.push_back( | |
118 | make_pair(t, t->get_v_offset())); | |
da2bebfb JH |
119 | } |
120 | ||
121 | // Select the signal if it has been clicked | |
38eeddea JH |
122 | const shared_ptr<Trace> mouse_over_trace = |
123 | get_mouse_over_trace(event->pos()); | |
124 | if (mouse_over_trace) { | |
125 | if (mouse_over_trace->selected()) | |
126 | mouse_over_trace->select(false); | |
da2bebfb | 127 | else { |
38eeddea | 128 | mouse_over_trace->select(true); |
da2bebfb | 129 | |
333d5bbc | 130 | if (~QApplication::keyboardModifiers() & |
07204819 | 131 | Qt::ControlModifier) |
38eeddea | 132 | _drag_traces.clear(); |
07204819 | 133 | |
da2bebfb | 134 | // Add the signal to the drag list |
333d5bbc | 135 | if (event->button() & Qt::LeftButton) |
38eeddea JH |
136 | _drag_traces.push_back( |
137 | make_pair(mouse_over_trace, | |
138 | mouse_over_trace->get_v_offset())); | |
da2bebfb | 139 | } |
54401bbb JH |
140 | } |
141 | ||
333d5bbc | 142 | if (~QApplication::keyboardModifiers() & Qt::ControlModifier) { |
07204819 JH |
143 | // Unselect all other signals because the Ctrl is not |
144 | // pressed | |
38eeddea JH |
145 | BOOST_FOREACH(const shared_ptr<Trace> t, traces) |
146 | if (t != mouse_over_trace) | |
147 | t->select(false); | |
07204819 JH |
148 | } |
149 | ||
b2a53645 | 150 | selection_changed(); |
e3374498 JH |
151 | update(); |
152 | } | |
153 | ||
54401bbb JH |
154 | void Header::mouseReleaseEvent(QMouseEvent *event) |
155 | { | |
569d1e41 JH |
156 | using pv::widgets::Popup; |
157 | ||
54401bbb | 158 | assert(event); |
333d5bbc | 159 | if (event->button() == Qt::LeftButton) { |
569d1e41 JH |
160 | if (_dragging) |
161 | _view.normalize_layout(); | |
162 | else | |
163 | { | |
164 | const shared_ptr<Trace> mouse_over_trace = | |
165 | get_mouse_over_trace(event->pos()); | |
166 | if (mouse_over_trace) { | |
167 | Popup *const p = | |
168 | mouse_over_trace->create_popup(&_view); | |
169 | p->set_position(mapToGlobal(QPoint(width(), | |
170 | mouse_over_trace->get_y())), | |
171 | Popup::Right); | |
172 | p->show(); | |
173 | } | |
174 | } | |
175 | ||
728fcafc | 176 | _dragging = false; |
38eeddea | 177 | _drag_traces.clear(); |
4b192962 | 178 | } |
54401bbb JH |
179 | } |
180 | ||
a29bb7fb JH |
181 | void Header::mouseMoveEvent(QMouseEvent *event) |
182 | { | |
183 | assert(event); | |
184 | _mouse_point = event->pos(); | |
54401bbb | 185 | |
728fcafc JH |
186 | if (!(event->buttons() & Qt::LeftButton)) |
187 | return; | |
188 | ||
189 | if ((event->pos() - _mouse_down_point).manhattanLength() < | |
190 | QApplication::startDragDistance()) | |
191 | return; | |
192 | ||
54401bbb | 193 | // Move the signals if we are dragging |
728fcafc JH |
194 | if (!_drag_traces.empty()) |
195 | { | |
196 | _dragging = true; | |
197 | ||
54401bbb JH |
198 | const int delta = event->pos().y() - _mouse_down_point.y(); |
199 | ||
38eeddea JH |
200 | for (std::list<std::pair<boost::weak_ptr<Trace>, |
201 | int> >::iterator i = _drag_traces.begin(); | |
202 | i != _drag_traces.end(); i++) { | |
203 | const boost::shared_ptr<Trace> trace((*i).first); | |
204 | if (trace) { | |
da2bebfb | 205 | const int y = (*i).second + delta; |
49153683 JH |
206 | const int y_snap = |
207 | ((y + View::SignalSnapGridSize / 2) / | |
208 | View::SignalSnapGridSize) * | |
209 | View::SignalSnapGridSize; | |
38eeddea | 210 | trace->set_v_offset(y_snap); |
da2bebfb | 211 | |
38eeddea JH |
212 | // Ensure the trace is selected |
213 | trace->select(); | |
49153683 | 214 | } |
da2bebfb JH |
215 | |
216 | } | |
54401bbb JH |
217 | |
218 | signals_moved(); | |
219 | } | |
220 | ||
a29bb7fb JH |
221 | update(); |
222 | } | |
223 | ||
e314eca4 | 224 | void Header::leaveEvent(QEvent*) |
a29bb7fb JH |
225 | { |
226 | _mouse_point = QPoint(-1, -1); | |
227 | update(); | |
228 | } | |
229 | ||
49f8ff3f JH |
230 | void Header::contextMenuEvent(QContextMenuEvent *event) |
231 | { | |
38eeddea | 232 | const shared_ptr<Trace> t = get_mouse_over_trace(_mouse_point); |
49f8ff3f | 233 | |
9b6378f1 JH |
234 | if (t) |
235 | t->create_context_menu(this)->exec(event->globalPos()); | |
b3b57abc JH |
236 | } |
237 | ||
9e40e83d JH |
238 | void Header::on_signals_changed() |
239 | { | |
38eeddea JH |
240 | const vector< shared_ptr<Trace> > traces(_view.get_traces()); |
241 | BOOST_FOREACH(shared_ptr<Trace> t, traces) { | |
242 | assert(t); | |
aca00b1e JH |
243 | connect(t.get(), SIGNAL(visibility_changed()), |
244 | this, SLOT(update())); | |
91e8bf08 JH |
245 | connect(t.get(), SIGNAL(text_changed()), |
246 | this, SLOT(update())); | |
247 | connect(t.get(), SIGNAL(colour_changed()), | |
248 | this, SLOT(update())); | |
9e40e83d JH |
249 | } |
250 | } | |
251 | ||
07204819 JH |
252 | void Header::on_signals_moved() |
253 | { | |
254 | update(); | |
255 | } | |
256 | ||
257 | ||
1d8dca91 JH |
258 | } // namespace view |
259 | } // namespace pv |