namespace view {
Header::Header(View &parent) :
- QWidget(&parent),
- _view(parent),
+ MarginWidget(parent),
_action_set_name(new QAction(tr("Set &Name..."), this)),
_action_set_colour(new QAction(tr("Set &Colour..."), this))
{
this, SLOT(on_action_set_name_triggered()));
connect(_action_set_colour, SIGNAL(triggered()),
this, SLOT(on_action_set_colour_triggered()));
+
+ connect(&_view.session(), SIGNAL(signals_changed()),
+ this, SLOT(on_signals_changed()));
+
+ connect(&_view, SIGNAL(signals_moved()),
+ this, SLOT(on_signals_moved()));
}
boost::shared_ptr<pv::view::Signal> Header::get_mouse_over_signal(
const QPoint &pt)
{
const int w = width();
- const vector< shared_ptr<Signal> > &sigs =
- _view.session().get_signals();
+ const vector< shared_ptr<Signal> > sigs(
+ _view.session().get_signals());
const int v_offset = _view.v_offset();
BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
{
assert(s);
- const QRect signal_heading_rect(
- 0, s->get_v_offset() - v_offset,
- w, View::SignalHeight);
-
- if(s->pt_in_label_rect(signal_heading_rect, pt))
+ if (s->pt_in_label_rect(s->get_v_offset() - v_offset,
+ 0, w, pt))
return s;
}
return shared_ptr<Signal>();
}
-void Header::paintEvent(QPaintEvent *event)
+void Header::clear_selection()
+{
+ const vector< shared_ptr<Signal> > sigs(
+ _view.session().get_signals());
+ BOOST_FOREACH(const shared_ptr<Signal> s, sigs) {
+ assert(s);
+ s->select(false);
+ }
+
+ update();
+}
+
+void Header::paintEvent(QPaintEvent*)
{
const int w = width();
- const vector< shared_ptr<Signal> > &sigs =
- _view.session().get_signals();
+ const vector< shared_ptr<Signal> > sigs(
+ _view.session().get_signals());
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
const int v_offset = _view.v_offset();
+ const bool dragging = !_drag_sigs.empty();
BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
{
assert(s);
- const QRect signal_heading_rect(
- 0, s->get_v_offset() - v_offset,
- w, View::SignalHeight);
-
- s->paint_label(painter, signal_heading_rect,
- s->pt_in_label_rect(signal_heading_rect, _mouse_point));
+ const int y = s->get_v_offset() - v_offset;
+ const bool highlight = !dragging && s->pt_in_label_rect(
+ y, 0, w, _mouse_point);
+ s->paint_label(painter, y, w, highlight);
}
painter.end();
{
assert(event);
- const vector< shared_ptr<Signal> > &sigs =
- _view.session().get_signals();
+ const vector< shared_ptr<Signal> > sigs(
+ _view.session().get_signals());
- if(~QApplication::keyboardModifiers() & Qt::ControlModifier) {
- // Unselect all other signals because the Ctrl is not
- // pressed
+ if (event->button() & Qt::LeftButton) {
+ _mouse_down_point = event->pos();
+
+ // Save the offsets of any signals which will be dragged
BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
- s->select(false);
+ if (s->selected())
+ _drag_sigs.push_back(
+ make_pair(s, s->get_v_offset()));
}
// Select the signal if it has been clicked
const shared_ptr<Signal> mouse_over_signal =
get_mouse_over_signal(event->pos());
- if(mouse_over_signal)
- mouse_over_signal->select(!mouse_over_signal->selected());
+ if (mouse_over_signal) {
+ if (mouse_over_signal->selected())
+ mouse_over_signal->select(false);
+ else {
+ mouse_over_signal->select(true);
+
+ if (~QApplication::keyboardModifiers() &
+ Qt::ControlModifier)
+ _drag_sigs.clear();
+
+ // Add the signal to the drag list
+ if (event->button() & Qt::LeftButton)
+ _drag_sigs.push_back(
+ make_pair(mouse_over_signal,
+ mouse_over_signal->get_v_offset()));
+ }
+ }
+
+ if (~QApplication::keyboardModifiers() & Qt::ControlModifier) {
+ // Unselect all other signals because the Ctrl is not
+ // pressed
+ BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
+ if (s != mouse_over_signal)
+ s->select(false);
+ }
+ selection_changed();
update();
}
+void Header::mouseReleaseEvent(QMouseEvent *event)
+{
+ assert(event);
+ if (event->button() == Qt::LeftButton) {
+ _drag_sigs.clear();
+ _view.normalize_layout();
+ }
+}
+
void Header::mouseMoveEvent(QMouseEvent *event)
{
assert(event);
_mouse_point = event->pos();
+
+ // Move the signals if we are dragging
+ if (!_drag_sigs.empty()) {
+ const int delta = event->pos().y() - _mouse_down_point.y();
+
+ for (std::list<std::pair<boost::weak_ptr<Signal>,
+ int> >::iterator i = _drag_sigs.begin();
+ i != _drag_sigs.end(); i++) {
+ const boost::shared_ptr<Signal> sig((*i).first);
+ if (sig) {
+ const int y = (*i).second + delta;
+ const int y_snap =
+ ((y + View::SignalSnapGridSize / 2) /
+ View::SignalSnapGridSize) *
+ View::SignalSnapGridSize;
+ sig->set_v_offset(y_snap);
+
+ // Ensure the signal is selected
+ sig->select();
+ }
+
+ }
+
+ signals_moved();
+ }
+
update();
}
-void Header::leaveEvent(QEvent *event)
+void Header::leaveEvent(QEvent*)
{
_mouse_point = QPoint(-1, -1);
update();
{
const shared_ptr<Signal> s = get_mouse_over_signal(_mouse_point);
- if(!s)
+ if (!s)
return;
QMenu menu(this);
void Header::on_action_set_name_triggered()
{
+ bool ok = false;
+
shared_ptr<view::Signal> context_signal = _context_signal;
- if(!context_signal)
+ if (!context_signal)
return;
const QString new_label = QInputDialog::getText(this, tr("Set Name"),
- tr("Name"), QLineEdit::Normal, context_signal->get_name());
+ tr("Name"), QLineEdit::Normal, context_signal->get_name(), &ok);
- if(!new_label.isEmpty())
+ if (ok)
context_signal->set_name(new_label);
}
void Header::on_action_set_colour_triggered()
{
shared_ptr<view::Signal> context_signal = _context_signal;
- if(!context_signal)
+ if (!context_signal)
return;
const QColor new_colour = QColorDialog::getColor(
context_signal->get_colour(), this, tr("Set Colour"));
- if(new_colour.isValid())
+ if (new_colour.isValid())
context_signal->set_colour(new_colour);
}
+void Header::on_signals_changed()
+{
+ const vector< shared_ptr<Signal> > sigs(_view.session().get_signals());
+ BOOST_FOREACH(shared_ptr<Signal> s, sigs) {
+ assert(s);
+ connect(s.get(), SIGNAL(text_changed()), this, SLOT(update()));
+ }
+}
+
+void Header::on_signals_moved()
+{
+ update();
+}
+
+
} // namespace view
} // namespace pv