X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Ftimemarker.cpp;h=8eed6e7e2b6240c91c9cef368e3873df100b392b;hp=5434203507fb63823e8f78fb760c5ec84b331539;hb=70a4886c67e381302d904d1d867abb9d8eac7053;hpb=0dda6fe595932b2e340930104fad8ac4fc574895

diff --git a/pv/view/timemarker.cpp b/pv/view/timemarker.cpp
index 54342035..8eed6e7e 100644
--- a/pv/view/timemarker.cpp
+++ b/pv/view/timemarker.cpp
@@ -18,36 +18,61 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
-#include "timemarker.h"
+#include <algorithm>
 
-#include "view.h"
+#include <extdef.h>
 
+#include "timemarker.hpp"
+
+#include "view.hpp"
+
+#include <QApplication>
 #include <QFormLayout>
+#include <QFontMetrics>
 #include <QPainter>
 
-#include <pv/widgets/popup.h>
+#include <pv/widgets/popup.hpp>
+
+using std::max;
+using std::min;
 
 namespace pv {
 namespace view {
 
+const int TimeMarker::ArrowSize = 4;
+const int TimeMarker::Offset = 1;
+
 TimeMarker::TimeMarker(View &view, const QColor &colour, double time) :
-	_view(view),
-	_colour(colour),
-	_time(time),
-	_value_action(NULL),
-	_value_widget(NULL),
-	_updating_value_widget(false)
+	TimeItem(view),
+	colour_(colour),
+	time_(time),
+	value_action_(NULL),
+	value_widget_(NULL),
+	updating_value_widget_(false)
 {
 }
 
 double TimeMarker::time() const
 {
-	return _time;
+	return time_;
+}
+
+void TimeMarker::set_time(double time)
+{
+	time_ = time;
+
+	if (value_widget_) {
+		updating_value_widget_ = true;
+		value_widget_->setValue(time);
+		updating_value_widget_ = false;
+	}
+
+	time_changed();
 }
 
 float TimeMarker::get_x() const
 {
-	return (_time - _view.offset()) / _view.scale();
+	return (time_ - view_.offset()) / view_.scale();
 }
 
 QPoint TimeMarker::point() const
@@ -55,24 +80,85 @@ QPoint TimeMarker::point() const
 	return QPoint(get_x(), 0);
 }
 
-void TimeMarker::set_time(double time)
+QRectF TimeMarker::label_rect(const QRectF &rect) const
 {
-	_time = time;
+	const float x = (time_ - view_.offset()) / view_.scale();
+
+	QFontMetrics m(QApplication::font());
+	const float text_width =
+		max(m.boundingRect(get_text()).size().width(), ArrowSize);
+	const float text_height = m.boundingRect("Tg").size().height();
+
+	const QSizeF label_size(
+		text_width + View::LabelPadding.width() * 2,
+		text_height + View::LabelPadding.height() * 2);
+	const float top = rect.height() - label_size.height() -
+		TimeMarker::Offset - TimeMarker::ArrowSize - 0.5f;
+	const float height = label_size.height();
+
+	return QRectF(x - label_size.width() / 2, top,
+		label_size.width(), height);
+}
 
-	if (_value_widget) {
-		_updating_value_widget = true;
-		_value_widget->setValue(time);
-		_updating_value_widget = false;
+void TimeMarker::paint_label(QPainter &p, const QRect &rect)
+{
+	if (!enabled())
+		return;
+
+	const qreal x = (time_ - view_.offset()) / view_.scale();
+	const QRectF r(label_rect(rect));
+
+	const QPointF points[] = {
+		r.topLeft(),
+		r.bottomLeft(),
+		QPointF(max(r.left(), x - ArrowSize), r.bottom()),
+		QPointF(x, rect.bottom()),
+		QPointF(min(r.right(), x + ArrowSize), r.bottom()),
+		r.bottomRight(),
+		r.topRight()
+	};
+
+	const QPointF highlight_points[] = {
+		QPointF(r.left() + 1, r.top() + 1),
+		QPointF(r.left() + 1, r.bottom() - 1),
+		QPointF(max(r.left() + 1, x - ArrowSize), r.bottom() - 1),
+		QPointF(min(max(r.left() + 1, x), r.right() - 1),
+			rect.bottom() - 1),
+		QPointF(min(r.right() - 1, x + ArrowSize), r.bottom() - 1),
+		QPointF(r.right() - 1, r.bottom() - 1),
+		QPointF(r.right() - 1, r.top() + 1),
+	};
+
+	if (selected()) {
+		p.setPen(highlight_pen());
+		p.setBrush(Qt::transparent);
+		p.drawPolygon(points, countof(points));
 	}
 
-	time_changed();
+	p.setPen(Qt::transparent);
+	p.setBrush(colour_);
+	p.drawPolygon(points, countof(points));
+
+	p.setPen(colour_.lighter());
+	p.setBrush(Qt::transparent);
+	p.drawPolygon(highlight_points, countof(highlight_points));
+
+	p.setPen(colour_.darker());
+	p.setBrush(Qt::transparent);
+	p.drawPolygon(points, countof(points));
+
+	p.setPen(select_text_colour(colour_));
+	p.drawText(r, Qt::AlignCenter | Qt::AlignVCenter, get_text());
 }
 
-void TimeMarker::paint(QPainter &p, const QRect &rect)
+void TimeMarker::paint_fore(QPainter &p, const ViewItemPaintParams &pp)
 {
+	if (!enabled())
+		return;
+
 	const float x = get_x();
-	p.setPen(_colour);
-	p.drawLine(QPointF(x, rect.top()), QPointF(x, rect.bottom()));
+	p.setPen(colour_.darker());
+	p.drawLine(QPointF(x, pp.top()), QPointF(x, pp.bottom()));
 }
 
 pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent)
@@ -83,24 +169,25 @@ pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent)
 	QFormLayout *const form = new QFormLayout(popup);
 	popup->setLayout(form);
 
-	_value_widget = new QDoubleSpinBox(parent);
-	_value_widget->setDecimals(9);
-	_value_widget->setSuffix("s");
-	_value_widget->setSingleStep(1e-6);
-	_value_widget->setValue(_time);
+	value_widget_ = new QDoubleSpinBox(parent);
+	value_widget_->setDecimals(9);
+	value_widget_->setSuffix("s");
+	value_widget_->setSingleStep(1e-6);
+	value_widget_->setRange(-1.0e9, 1.0e9);
+	value_widget_->setValue(time_);
 
-	connect(_value_widget, SIGNAL(valueChanged(double)),
+	connect(value_widget_, SIGNAL(valueChanged(double)),
 		this, SLOT(on_value_changed(double)));
 
-	form->addRow(tr("Time"), _value_widget);
+	form->addRow(tr("Time"), value_widget_);
 
 	return popup;
 }
 
 void TimeMarker::on_value_changed(double value)
 {
-	if (!_updating_value_widget) {
-		_time = value;
+	if (!updating_value_widget_) {
+		time_ = value;
 		time_changed();
 	}
 }