X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Ftimemarker.cpp;h=ed9df36064f74407b1a1ee81f80d11378adbc81c;hp=6571bea95c0eac9e6c98c3fca0f27bb9511a5c79;hb=98cfe4e8dadad2cf710eb46fd5c85d9d0520a875;hpb=bccef54223c86f65fb0b7ead3124d945f1548beb

diff --git a/pv/view/timemarker.cpp b/pv/view/timemarker.cpp
index 6571bea9..ed9df360 100644
--- a/pv/view/timemarker.cpp
+++ b/pv/view/timemarker.cpp
@@ -18,20 +18,32 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#include <algorithm>
+
+#include <extdef.h>
+
 #include "timemarker.hpp"
 
 #include "view.hpp"
 
+#include <QApplication>
 #include <QFormLayout>
+#include <QFontMetrics>
 #include <QPainter>
 
 #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),
+	TimeItem(view),
 	colour_(colour),
 	time_(time),
 	value_action_(NULL),
@@ -45,6 +57,19 @@ double TimeMarker::time() const
 	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;
+	}
+
+	view_.time_item_appearance_changed(true, true);
+}
+
 float TimeMarker::get_x() const
 {
 	return (time_ - view_.offset()) / view_.scale();
@@ -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)
@@ -100,10 +186,8 @@ pv::widgets::Popup* TimeMarker::create_popup(QWidget *parent)
 
 void TimeMarker::on_value_changed(double value)
 {
-	if (!updating_value_widget_) {
-		time_ = value;
-		time_changed();
-	}
+	if (!updating_value_widget_)
+		set_time(value);
 }
 
 } // namespace view