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) :
47 _action_set_name(new QAction(tr("Set &Name..."), this)),
48 _action_set_colour(new QAction(tr("Set &Colour..."), this))
50 setMouseTracking(true);
52 connect(_action_set_name, SIGNAL(triggered()),
53 this, SLOT(on_action_set_name_triggered()));
54 connect(_action_set_colour, SIGNAL(triggered()),
55 this, SLOT(on_action_set_colour_triggered()));
57 connect(&_view, SIGNAL(signals_moved()),
58 this, SLOT(on_signals_moved()));
61 boost::shared_ptr<pv::view::Signal> Header::get_mouse_over_signal(
64 const int w = width();
65 const vector< shared_ptr<Signal> > sigs(
66 _view.session().get_signals());
68 const int v_offset = _view.v_offset();
69 BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
73 if (s->pt_in_label_rect(s->get_v_offset() - v_offset,
78 return shared_ptr<Signal>();
81 void Header::clear_selection()
83 const vector< shared_ptr<Signal> > sigs(
84 _view.session().get_signals());
85 BOOST_FOREACH(const shared_ptr<Signal> s, sigs) {
93 void Header::paintEvent(QPaintEvent*)
95 const int w = width();
96 const vector< shared_ptr<Signal> > sigs(
97 _view.session().get_signals());
99 QPainter painter(this);
100 painter.setRenderHint(QPainter::Antialiasing);
102 const int v_offset = _view.v_offset();
103 const bool dragging = !_drag_sigs.empty();
104 BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
108 const int y = s->get_v_offset() - v_offset;
109 const bool highlight = !dragging && s->pt_in_label_rect(
110 y, 0, w, _mouse_point);
111 s->paint_label(painter, y, w, highlight);
117 void Header::mousePressEvent(QMouseEvent *event)
121 const vector< shared_ptr<Signal> > sigs(
122 _view.session().get_signals());
124 if (event->button() & Qt::LeftButton) {
125 _mouse_down_point = event->pos();
127 // Save the offsets of any signals which will be dragged
128 BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
130 _drag_sigs.push_back(
131 make_pair(s, s->get_v_offset()));
134 // Select the signal if it has been clicked
135 const shared_ptr<Signal> mouse_over_signal =
136 get_mouse_over_signal(event->pos());
137 if (mouse_over_signal) {
138 if (mouse_over_signal->selected())
139 mouse_over_signal->select(false);
141 mouse_over_signal->select(true);
143 if (~QApplication::keyboardModifiers() &
147 // Add the signal to the drag list
148 if (event->button() & Qt::LeftButton)
149 _drag_sigs.push_back(
150 make_pair(mouse_over_signal,
151 mouse_over_signal->get_v_offset()));
155 if (~QApplication::keyboardModifiers() & Qt::ControlModifier) {
156 // Unselect all other signals because the Ctrl is not
158 BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
159 if (s != mouse_over_signal)
167 void Header::mouseReleaseEvent(QMouseEvent *event)
170 if (event->button() == Qt::LeftButton) {
172 _view.normalize_layout();
176 void Header::mouseMoveEvent(QMouseEvent *event)
179 _mouse_point = event->pos();
181 // Move the signals if we are dragging
182 if (!_drag_sigs.empty()) {
183 const int delta = event->pos().y() - _mouse_down_point.y();
185 for (std::list<std::pair<boost::weak_ptr<Signal>,
186 int> >::iterator i = _drag_sigs.begin();
187 i != _drag_sigs.end(); i++) {
188 const boost::shared_ptr<Signal> sig((*i).first);
190 const int y = (*i).second + delta;
192 ((y + View::SignalSnapGridSize / 2) /
193 View::SignalSnapGridSize) *
194 View::SignalSnapGridSize;
195 sig->set_v_offset(y_snap);
197 // Ensure the signal is selected
209 void Header::leaveEvent(QEvent*)
211 _mouse_point = QPoint(-1, -1);
215 void Header::contextMenuEvent(QContextMenuEvent *event)
217 const shared_ptr<Signal> s = get_mouse_over_signal(_mouse_point);
223 menu.addAction(_action_set_name);
224 menu.addAction(_action_set_colour);
227 menu.exec(event->globalPos());
228 _context_signal.reset();
231 void Header::on_action_set_name_triggered()
235 shared_ptr<view::Signal> context_signal = _context_signal;
239 const QString new_label = QInputDialog::getText(this, tr("Set Name"),
240 tr("Name"), QLineEdit::Normal, context_signal->get_name(), &ok);
243 context_signal->set_name(new_label);
246 void Header::on_action_set_colour_triggered()
248 shared_ptr<view::Signal> context_signal = _context_signal;
252 const QColor new_colour = QColorDialog::getColor(
253 context_signal->get_colour(), this, tr("Set Colour"));
255 if (new_colour.isValid())
256 context_signal->set_colour(new_colour);
259 void Header::on_signals_moved()