]>
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 | QWidget(&parent), | |
47 | _view(parent), | |
48 | _action_set_name(new QAction(tr("Set &Name..."), this)), | |
49 | _action_set_colour(new QAction(tr("Set &Colour..."), this)) | |
50 | { | |
51 | setMouseTracking(true); | |
52 | ||
53 | connect(_action_set_name, SIGNAL(triggered()), | |
54 | this, SLOT(on_action_set_name_triggered())); | |
55 | connect(_action_set_colour, SIGNAL(triggered()), | |
56 | this, SLOT(on_action_set_colour_triggered())); | |
57 | } | |
58 | ||
59 | boost::shared_ptr<pv::view::Signal> Header::get_mouse_over_signal( | |
60 | const QPoint &pt) | |
61 | { | |
62 | const int w = width(); | |
63 | const vector< shared_ptr<Signal> > &sigs = | |
64 | _view.session().get_signals(); | |
65 | ||
66 | const int v_offset = _view.v_offset(); | |
67 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) | |
68 | { | |
69 | assert(s); | |
70 | ||
71 | const QRect signal_heading_rect( | |
72 | 0, s->get_v_offset() - v_offset, | |
73 | w, View::SignalHeight); | |
74 | ||
75 | if(s->pt_in_label_rect(signal_heading_rect, pt)) | |
76 | return s; | |
77 | } | |
78 | ||
79 | return shared_ptr<Signal>(); | |
80 | } | |
81 | ||
82 | void Header::paintEvent(QPaintEvent *event) | |
83 | { | |
84 | const int w = width(); | |
85 | const vector< shared_ptr<Signal> > &sigs = | |
86 | _view.session().get_signals(); | |
87 | ||
88 | QPainter painter(this); | |
89 | painter.setRenderHint(QPainter::Antialiasing); | |
90 | ||
91 | const int v_offset = _view.v_offset(); | |
92 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) | |
93 | { | |
94 | assert(s); | |
95 | ||
96 | const QRect signal_heading_rect( | |
97 | 0, s->get_v_offset() - v_offset, | |
98 | w, View::SignalHeight); | |
99 | ||
100 | s->paint_label(painter, signal_heading_rect, | |
101 | s->pt_in_label_rect(signal_heading_rect, _mouse_point)); | |
102 | } | |
103 | ||
104 | painter.end(); | |
105 | } | |
106 | ||
107 | void Header::mousePressEvent(QMouseEvent *event) | |
108 | { | |
109 | assert(event); | |
110 | ||
111 | const vector< shared_ptr<Signal> > &sigs = | |
112 | _view.session().get_signals(); | |
113 | ||
114 | if(~QApplication::keyboardModifiers() & Qt::ControlModifier) { | |
115 | // Unselect all other signals because the Ctrl is not | |
116 | // pressed | |
117 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) | |
118 | s->select(false); | |
119 | } | |
120 | ||
121 | // Select the signal if it has been clicked | |
122 | const shared_ptr<Signal> mouse_over_signal = | |
123 | get_mouse_over_signal(event->pos()); | |
124 | if(mouse_over_signal) | |
125 | mouse_over_signal->select(!mouse_over_signal->selected()); | |
126 | ||
127 | if(event->button() & Qt::LeftButton) { | |
128 | _mouse_down_point = event->pos(); | |
129 | ||
130 | // Save the current signal offsets | |
131 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) | |
132 | _mouse_down_signal_offsets[s.get()] = | |
133 | s->get_v_offset(); | |
134 | } | |
135 | ||
136 | update(); | |
137 | } | |
138 | ||
139 | void Header::mouseReleaseEvent(QMouseEvent *event) | |
140 | { | |
141 | assert(event); | |
142 | if(event->button() == Qt::LeftButton) | |
143 | _mouse_down_signal_offsets.clear(); | |
144 | } | |
145 | ||
146 | void Header::mouseMoveEvent(QMouseEvent *event) | |
147 | { | |
148 | assert(event); | |
149 | _mouse_point = event->pos(); | |
150 | ||
151 | // Move the signals if we are dragging | |
152 | if(!_mouse_down_signal_offsets.empty()) { | |
153 | const vector< shared_ptr<Signal> > &sigs = | |
154 | _view.session().get_signals(); | |
155 | const int delta = event->pos().y() - _mouse_down_point.y(); | |
156 | ||
157 | BOOST_FOREACH(const shared_ptr<Signal> s, sigs) | |
158 | if(s->selected()) { | |
159 | const int y = | |
160 | _mouse_down_signal_offsets[s.get()] + | |
161 | delta; | |
162 | const int y_snap = | |
163 | ((y + View::SignalSnapGridSize / 2) / | |
164 | View::SignalSnapGridSize) * | |
165 | View::SignalSnapGridSize; | |
166 | s->set_v_offset(y_snap ); | |
167 | } | |
168 | ||
169 | signals_moved(); | |
170 | } | |
171 | ||
172 | update(); | |
173 | } | |
174 | ||
175 | void Header::leaveEvent(QEvent *event) | |
176 | { | |
177 | _mouse_point = QPoint(-1, -1); | |
178 | update(); | |
179 | } | |
180 | ||
181 | void Header::contextMenuEvent(QContextMenuEvent *event) | |
182 | { | |
183 | const shared_ptr<Signal> s = get_mouse_over_signal(_mouse_point); | |
184 | ||
185 | if(!s) | |
186 | return; | |
187 | ||
188 | QMenu menu(this); | |
189 | menu.addAction(_action_set_name); | |
190 | menu.addAction(_action_set_colour); | |
191 | ||
192 | _context_signal = s; | |
193 | menu.exec(event->globalPos()); | |
194 | _context_signal.reset(); | |
195 | } | |
196 | ||
197 | void Header::on_action_set_name_triggered() | |
198 | { | |
199 | shared_ptr<view::Signal> context_signal = _context_signal; | |
200 | if(!context_signal) | |
201 | return; | |
202 | ||
203 | const QString new_label = QInputDialog::getText(this, tr("Set Name"), | |
204 | tr("Name"), QLineEdit::Normal, context_signal->get_name()); | |
205 | ||
206 | if(!new_label.isEmpty()) | |
207 | context_signal->set_name(new_label); | |
208 | } | |
209 | ||
210 | void Header::on_action_set_colour_triggered() | |
211 | { | |
212 | shared_ptr<view::Signal> context_signal = _context_signal; | |
213 | if(!context_signal) | |
214 | return; | |
215 | ||
216 | const QColor new_colour = QColorDialog::getColor( | |
217 | context_signal->get_colour(), this, tr("Set Colour")); | |
218 | ||
219 | if(new_colour.isValid()) | |
220 | context_signal->set_colour(new_colour); | |
221 | } | |
222 | ||
223 | } // namespace view | |
224 | } // namespace pv |