2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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
25 #include "../sigsession.h"
29 #include <boost/foreach.hpp>
31 #include <QApplication>
32 #include <QColorDialog>
33 #include <QInputDialog>
35 #include <QMouseEvent>
39 using namespace boost;
45 Header::Header(View &parent) :
48 _action_set_name(new QAction(tr("Set &Name..."), this)),
49 _action_set_colour(new QAction(tr("Set &Colour..."), this))
51 setMouseTracking(true);
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()));
58 connect(&_view, SIGNAL(signals_moved()),
59 this, SLOT(on_signals_moved()));
62 boost::shared_ptr<pv::view::Signal> Header::get_mouse_over_signal(
65 const int w = width();
66 const vector< shared_ptr<Signal> > sigs(
67 _view.session().get_signals());
69 const int v_offset = _view.v_offset();
70 BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
74 const QRect signal_heading_rect(
75 0, s->get_v_offset() - v_offset,
76 w, View::SignalHeight);
78 if(s->pt_in_label_rect(signal_heading_rect, pt))
82 return shared_ptr<Signal>();
85 void Header::paintEvent(QPaintEvent *event)
87 const int w = width();
88 const vector< shared_ptr<Signal> > sigs(
89 _view.session().get_signals());
91 QPainter painter(this);
92 painter.setRenderHint(QPainter::Antialiasing);
94 const int v_offset = _view.v_offset();
95 const bool dragging = !_drag_sigs.empty();
96 BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
100 const QRect signal_heading_rect(
101 0, s->get_v_offset() - v_offset,
102 w, View::SignalHeight);
104 const bool highlight = !dragging && s->pt_in_label_rect(
105 signal_heading_rect, _mouse_point);
106 s->paint_label(painter, signal_heading_rect, highlight);
112 void Header::mousePressEvent(QMouseEvent *event)
116 const vector< shared_ptr<Signal> > sigs(
117 _view.session().get_signals());
119 if(event->button() & Qt::LeftButton) {
120 _mouse_down_point = event->pos();
122 // Save the offsets of any signals which will be dragged
123 BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
125 _drag_sigs.push_back(
126 make_pair(s, s->get_v_offset()));
129 // Select the signal if it has been clicked
130 const shared_ptr<Signal> mouse_over_signal =
131 get_mouse_over_signal(event->pos());
132 if(mouse_over_signal) {
133 if(mouse_over_signal->selected())
134 mouse_over_signal->select(false);
136 mouse_over_signal->select(true);
138 if(~QApplication::keyboardModifiers() &
142 // Add the signal to the drag list
143 if(event->button() & Qt::LeftButton)
144 _drag_sigs.push_back(
145 make_pair(mouse_over_signal,
146 mouse_over_signal->get_v_offset()));
150 if(~QApplication::keyboardModifiers() & Qt::ControlModifier) {
151 // Unselect all other signals because the Ctrl is not
153 BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
154 if(s != mouse_over_signal)
161 void Header::mouseReleaseEvent(QMouseEvent *event)
164 if(event->button() == Qt::LeftButton) {
166 _view.normalize_layout();
170 void Header::mouseMoveEvent(QMouseEvent *event)
173 _mouse_point = event->pos();
175 // Move the signals if we are dragging
176 if(!_drag_sigs.empty()) {
177 const int delta = event->pos().y() - _mouse_down_point.y();
179 for(std::list<std::pair<boost::weak_ptr<Signal>,
180 int> >::iterator i = _drag_sigs.begin();
181 i != _drag_sigs.end(); i++) {
182 const boost::shared_ptr<Signal> sig((*i).first);
184 const int y = (*i).second + delta;
186 ((y + View::SignalSnapGridSize / 2) /
187 View::SignalSnapGridSize) *
188 View::SignalSnapGridSize;
189 sig->set_v_offset(y_snap);
191 // Ensure the signal is selected
203 void Header::leaveEvent(QEvent *event)
205 _mouse_point = QPoint(-1, -1);
209 void Header::contextMenuEvent(QContextMenuEvent *event)
211 const shared_ptr<Signal> s = get_mouse_over_signal(_mouse_point);
217 menu.addAction(_action_set_name);
218 menu.addAction(_action_set_colour);
221 menu.exec(event->globalPos());
222 _context_signal.reset();
225 void Header::on_action_set_name_triggered()
227 shared_ptr<view::Signal> context_signal = _context_signal;
231 const QString new_label = QInputDialog::getText(this, tr("Set Name"),
232 tr("Name"), QLineEdit::Normal, context_signal->get_name());
234 if(!new_label.isEmpty())
235 context_signal->set_name(new_label);
238 void Header::on_action_set_colour_triggered()
240 shared_ptr<view::Signal> context_signal = _context_signal;
244 const QColor new_colour = QColorDialog::getColor(
245 context_signal->get_colour(), this, tr("Set Colour"));
247 if(new_colour.isValid())
248 context_signal->set_colour(new_colour);
251 void Header::on_signals_moved()