#include "header.h"
#include "view.h"
-#include "../signal.h"
+#include "signal.h"
#include "../sigsession.h"
#include <assert.h>
#include <boost/foreach.hpp>
+#include <QApplication>
#include <QColorDialog>
#include <QInputDialog>
#include <QMenu>
this, SLOT(on_action_set_colour_triggered()));
}
+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();
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
- int offset = -_view.v_offset();
+ const int v_offset = _view.v_offset();
BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
{
assert(s);
const QRect signal_heading_rect(
- 0, offset, w, View::SignalHeight);
+ 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));
-
- offset += View::SignalHeight;
}
painter.end();
}
+void Header::mousePressEvent(QMouseEvent *event)
+{
+ assert(event);
+
+ 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
+ BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
+ s->select(false);
+ }
+
+ // 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(event->button() & Qt::LeftButton) {
+ _mouse_down_point = event->pos();
+
+ // Save the current signal offsets
+ BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
+ _mouse_down_signal_offsets[s.get()] =
+ s->get_v_offset();
+ }
+
+ update();
+}
+
+void Header::mouseReleaseEvent(QMouseEvent *event)
+{
+ assert(event);
+ if(event->button() == Qt::LeftButton)
+ _mouse_down_signal_offsets.clear();
+}
+
void Header::mouseMoveEvent(QMouseEvent *event)
{
assert(event);
_mouse_point = event->pos();
+
+ // Move the signals if we are dragging
+ if(!_mouse_down_signal_offsets.empty()) {
+ const vector< shared_ptr<Signal> > &sigs =
+ _view.session().get_signals();
+ const int delta = event->pos().y() - _mouse_down_point.y();
+
+ BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
+ if(s->selected()) {
+ const int y =
+ _mouse_down_signal_offsets[s.get()] +
+ delta;
+ const int y_snap =
+ ((y + View::SignalSnapGridSize / 2) /
+ View::SignalSnapGridSize) *
+ View::SignalSnapGridSize;
+ s->set_v_offset(y_snap );
+ }
+
+ signals_moved();
+ }
+
update();
}
void Header::contextMenuEvent(QContextMenuEvent *event)
{
- const int w = width();
- const vector< shared_ptr<Signal> > &sigs =
- _view.session().get_signals();
-
- int offset = -_view.v_offset();
- BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
- {
- assert(s);
-
- const QRect signal_heading_rect(
- 0, offset, w, View::SignalHeight);
+ const shared_ptr<Signal> s = get_mouse_over_signal(_mouse_point);
- if(s->pt_in_label_rect(signal_heading_rect, _mouse_point)) {
- QMenu menu(this);
- menu.addAction(_action_set_name);
- menu.addAction(_action_set_colour);
-
- _context_signal = s;
- menu.exec(event->globalPos());
- _context_signal.reset();
+ if(!s)
+ return;
- break;
- }
+ QMenu menu(this);
+ menu.addAction(_action_set_name);
+ menu.addAction(_action_set_colour);
- offset += View::SignalHeight;
- }
+ _context_signal = s;
+ menu.exec(event->globalPos());
+ _context_signal.reset();
}
void Header::on_action_set_name_triggered()
{
- boost::shared_ptr<Signal> context_signal = _context_signal;
+ shared_ptr<view::Signal> context_signal = _context_signal;
if(!context_signal)
return;
void Header::on_action_set_colour_triggered()
{
- boost::shared_ptr<Signal> context_signal = _context_signal;
+ shared_ptr<view::Signal> context_signal = _context_signal;
if(!context_signal)
return;