#include <math.h>
#include <limits.h>
+#include <QApplication>
#include <QMouseEvent>
#include <QPainter>
#include <QTextStream>
-using namespace std;
+#include <pv/widgets/popup.h>
+
+using namespace Qt;
+using boost::shared_ptr;
namespace pv {
namespace view {
+const int Ruler::RulerHeight = 30;
const int Ruler::MinorTickSubdivision = 4;
const int Ruler::ScaleUnits[3] = {1, 2, 5};
const int Ruler::HoverArrowSize = 5;
Ruler::Ruler(View &parent) :
- QWidget(&parent),
- _view(parent),
- _grabbed_marker(NULL)
+ MarginWidget(parent),
+ _dragging(false)
{
setMouseTracking(true);
this, SLOT(hover_point_changed()));
}
+void Ruler::clear_selection()
+{
+ CursorPair &cursors = _view.cursors();
+ cursors.first()->select(false);
+ cursors.second()->select(false);
+ update();
+}
+
QString Ruler::format_time(double t, unsigned int prefix,
unsigned int precision)
{
const double multiplier = pow(10.0,
- - prefix * 3 - FirstSIPrefixPower);
+ (int)- prefix * 3 - FirstSIPrefixPower);
QString s;
QTextStream ts(&s);
return s;
}
+QSize Ruler::sizeHint() const
+{
+ return QSize(0, RulerHeight);
+}
+
void Ruler::paintEvent(QPaintEvent*)
{
- using namespace Qt;
const double SpacingIncrement = 32.0f;
const double MinValueSpacing = 32.0f;
const double min_period = _view.scale() * min_width;
const int order = (int)floorf(log10f(min_period));
- const double order_decimal = pow(10, order);
+ const double order_decimal = pow(10.0, order);
unsigned int unit = 0;
} while (x < width());
// Draw the cursors
- draw_cursors(p, prefix);
+ if (_view.cursors_shown())
+ _view.cursors().draw_markers(p, rect(), prefix);
// Draw the hover mark
draw_hover_mark(p);
void Ruler::mouseMoveEvent(QMouseEvent *e)
{
- if (!_grabbed_marker)
+ if (!(e->buttons() & Qt::LeftButton))
return;
+
+ if ((e->pos() - _mouse_down_point).manhattanLength() <
+ QApplication::startDragDistance())
+ return;
+
+ _dragging = true;
- _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;
+ if (e->buttons() & Qt::LeftButton)
+ {
+ _mouse_down_point = e->pos();
+
+ _grabbed_marker.reset();
+
+ clear_selection();
if (_view.cursors_shown()) {
- std::pair<Cursor, Cursor> &cursors =
- _view.cursors();
- if (cursors.first.get_label_rect(
+ CursorPair &cursors = _view.cursors();
+ 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 (shared_ptr<TimeMarker> m = _grabbed_marker.lock())
+ m->select();
+
+ selection_changed();
}
}
void Ruler::mouseReleaseEvent(QMouseEvent *)
{
- _grabbed_marker = NULL;
-}
-
-void Ruler::draw_cursors(QPainter &p, unsigned int prefix)
-{
- if (!_view.cursors_shown())
- return;
+ using pv::widgets::Popup;
+
+ if (!_dragging)
+ if (shared_ptr<TimeMarker> m = _grabbed_marker.lock()) {
+ Popup *const p = m->create_popup(&_view);
+ p->set_position(mapToGlobal(QPoint(m->get_x(),
+ height())), Popup::Bottom);
+ p->show();
+ }
- const QRect r = rect();
- pair<Cursor, Cursor> &cursors = _view.cursors();
- cursors.first.paint_label(p, r, prefix);
- cursors.second.paint_label(p, r, prefix);
+ _dragging = false;
+ _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 || _dragging)
return;
p.setPen(QPen(Qt::NoPen));