X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fruler.cpp;h=74bc1f979b5ee7b8f04a4643ad8f455bb9d3c1ab;hb=0c0218fd70bde15f2ccd20f39f6d3ddddd3e1691;hp=d323f9be0525be8c5e39f3621d6c4ca9f05e0f5b;hpb=332afa7438aa5532599fe65f9092e1b24b34fe04;p=pulseview.git

diff --git a/pv/view/ruler.cpp b/pv/view/ruler.cpp
index d323f9be..74bc1f97 100644
--- a/pv/view/ruler.cpp
+++ b/pv/view/ruler.cpp
@@ -34,6 +34,7 @@
 #include <QPainter>
 #include <QTextStream>
 
+using namespace boost;
 using namespace std;
 
 namespace pv {
@@ -49,9 +50,7 @@ const int Ruler::FirstSIPrefixPower = -15;
 const int Ruler::HoverArrowSize = 5;
 
 Ruler::Ruler(View &parent) :
-	QWidget(&parent),
-	_view(parent),
-	_grabbed_marker(NULL)
+	MarginWidget(parent)
 {
 	setMouseTracking(true);
 
@@ -59,6 +58,14 @@ Ruler::Ruler(View &parent) :
 		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)
 {
@@ -174,40 +181,45 @@ void Ruler::paintEvent(QPaintEvent*)
 
 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 (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));