#include "header.h"
#include "view.h"
-#include "../../signal.h"
-#include "../../sigsession.h"
+#include "signal.h"
+#include "../sigsession.h"
#include <assert.h>
#include <boost/foreach.hpp>
+#include <QApplication>
+#include <QColorDialog>
+#include <QInputDialog>
+#include <QMenu>
+#include <QMouseEvent>
#include <QPainter>
#include <QRect>
Header::Header(View &parent) :
QWidget(&parent),
- _view(parent)
+ _view(parent),
+ _action_set_name(new QAction(tr("Set &Name..."), this)),
+ _action_set_colour(new QAction(tr("Set &Colour..."), this))
{
+ setMouseTracking(true);
+
+ connect(_action_set_name, SIGNAL(triggered()),
+ this, SLOT(on_action_set_name_triggered()));
+ connect(_action_set_colour, SIGNAL(triggered()),
+ this, SLOT(on_action_set_colour_triggered()));
+
+ 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 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))
+ return s;
+ }
+
+ return shared_ptr<Signal>();
}
void Header::paintEvent(QPaintEvent *event)
{
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);
- int offset = -_view.v_offset();
+ 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 label_rect(0, offset, w, View::SignalHeight);
- s->paint_label(painter, label_rect);
+ const QRect signal_heading_rect(
+ 0, s->get_v_offset() - v_offset,
+ w, View::SignalHeight);
- offset += View::SignalHeight;
+ const bool highlight = !dragging && s->pt_in_label_rect(
+ signal_heading_rect, _mouse_point);
+ s->paint_label(painter, signal_heading_rect, highlight);
}
painter.end();
}
+void Header::mousePressEvent(QMouseEvent *event)
+{
+ assert(event);
+
+ const vector< shared_ptr<Signal> > sigs(
+ _view.session().get_signals());
+
+ 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)
+ 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) {
+ 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);
+ }
+
+ 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)
+{
+ _mouse_point = QPoint(-1, -1);
+ update();
+}
+
+void Header::contextMenuEvent(QContextMenuEvent *event)
+{
+ const shared_ptr<Signal> s = get_mouse_over_signal(_mouse_point);
+
+ if(!s)
+ return;
+
+ QMenu menu(this);
+ menu.addAction(_action_set_name);
+ menu.addAction(_action_set_colour);
+
+ _context_signal = s;
+ menu.exec(event->globalPos());
+ _context_signal.reset();
+}
+
+void Header::on_action_set_name_triggered()
+{
+ shared_ptr<view::Signal> context_signal = _context_signal;
+ if(!context_signal)
+ return;
+
+ const QString new_label = QInputDialog::getText(this, tr("Set Name"),
+ tr("Name"), QLineEdit::Normal, context_signal->get_name());
+
+ if(!new_label.isEmpty())
+ context_signal->set_name(new_label);
+}
+
+void Header::on_action_set_colour_triggered()
+{
+ shared_ptr<view::Signal> context_signal = _context_signal;
+ if(!context_signal)
+ return;
+
+ const QColor new_colour = QColorDialog::getColor(
+ context_signal->get_colour(), this, tr("Set Colour"));
+
+ if(new_colour.isValid())
+ context_signal->set_colour(new_colour);
+}
+
+void Header::on_signals_moved()
+{
+ update();
+}
+
+
} // namespace view
} // namespace pv
projects / pulseview.git / blobdiff