#include <QPainter>
#include <QTextStream>
+using namespace boost;
using namespace std;
namespace pv {
const int Ruler::HoverArrowSize = 5;
Ruler::Ruler(View &parent) :
- MarginWidget(parent),
- _grabbed_marker(NULL)
+ MarginWidget(parent)
{
setMouseTracking(true);
void Ruler::clear_selection()
{
CursorPair &cursors = _view.cursors();
- cursors.first().select(false);
- cursors.second().select(false);
+ cursors.first()->select(false);
+ cursors.second()->select(false);
update();
}
void Ruler::mouseMoveEvent(QMouseEvent *e)
{
- if (!_grabbed_marker)
- return;
-
- _grabbed_marker->set_time(_view.offset() +
- ((double)e->x() + 0.5) * _view.scale());
+ if (shared_ptr<TimeMarker> m = _grabbed_marker.lock())
+ m->set_time(_view.offset() +
+ ((double)e->x() + 0.5) * _view.scale());
}
void Ruler::mousePressEvent(QMouseEvent *e)
{
if (e->buttons() & Qt::LeftButton) {
- _grabbed_marker = NULL;
+ _grabbed_marker.reset();
clear_selection();
if (_view.cursors_shown()) {
CursorPair &cursors = _view.cursors();
- if (cursors.first().get_label_rect(
+ if (cursors.first()->get_label_rect(
rect()).contains(e->pos()))
- _grabbed_marker = &cursors.first();
- else if (cursors.second().get_label_rect(
+ _grabbed_marker = cursors.first();
+ else if (cursors.second()->get_label_rect(
rect()).contains(e->pos()))
- _grabbed_marker = &cursors.second();
+ _grabbed_marker = cursors.second();
}
- if(_grabbed_marker)
- _grabbed_marker->select();
+ if (shared_ptr<TimeMarker> m = _grabbed_marker.lock())
+ m->select();
selection_changed();
}
void Ruler::mouseReleaseEvent(QMouseEvent *)
{
- _grabbed_marker = NULL;
+ _grabbed_marker.reset();
}
void Ruler::draw_hover_mark(QPainter &p)
{
const int x = _view.hover_point().x();
- if (x == -1 || _grabbed_marker)
+ if (x == -1 || !_grabbed_marker.expired())
return;
p.setPen(QPen(Qt::NoPen));