X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fruler.cpp;h=06cd1b1540ba3dca171d2cd286cdc35f66d1fd86;hb=4030e03db23566ccc2521c7c40903d0f360797ca;hp=0322af8a611e1ad9520b854e2cbae0b7ec39ad81;hpb=b42d25c43e52c900cbdd3e5cde0282961b8721e7;p=pulseview.git

diff --git a/pv/view/ruler.cpp b/pv/view/ruler.cpp
index 0322af8..06cd1b1 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 +50,8 @@ const int Ruler::FirstSIPrefixPower = -15;
 const int Ruler::HoverArrowSize = 5;
 
 Ruler::Ruler(View &parent) :
-	QWidget(&parent),
-	_view(parent),
-	_grabbed_marker(NULL)
+	MarginWidget(parent),
+	_dragging(false)
 {
 	setMouseTracking(true);
 
@@ -59,6 +59,14 @@ 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)
 {
@@ -163,7 +171,8 @@ void Ruler::paintEvent(QPaintEvent*)
 	} 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);
@@ -173,51 +182,58 @@ void Ruler::paintEvent(QPaintEvent*)
 
 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()) {
 			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;
-}
-
-void Ruler::draw_cursors(QPainter &p, unsigned int prefix)
-{
-	if (!_view.cursors_shown())
-		return;
-
-	const QRect r = rect();
-	CursorPair &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));