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