X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Ftrace.cpp;h=87d3dc1dc095fa7ebd7b1dd2b7dba0bf5c255c8e;hp=264541cf18c09f4ca9e5e7b9aebe4431209c22e4;hb=e300444978bad69c104ce49c862da53dbe682e50;hpb=35fbb043b35920ac9e8175a7bfaa7bf9b2611dfc

diff --git a/pv/view/trace.cpp b/pv/view/trace.cpp
index 264541cf..87d3dc1d 100644
--- a/pv/view/trace.cpp
+++ b/pv/view/trace.cpp
@@ -38,11 +38,12 @@
 namespace pv {
 namespace view {
 
-const QPen Trace::AxisPen(QColor(128, 128, 128, 64));
+const QPen Trace::AxisPen(QColor(0, 0, 0, 30*256/100));
 const int Trace::LabelHitPadding = 2;
 
-const QColor Trace::DarkBGColour(235, 235, 235);    // Quite light grey
-const QColor Trace::BrightBGColour(245, 245, 245);  // Very light grey
+const int Trace::ColourBGAlpha = 8*256/100;
+const QColor Trace::BrightGrayBGColour = QColor(0, 0, 0, 10*255/100);
+const QColor Trace::DarkGrayBGColour = QColor(0, 0, 0, 15*255/100);
 
 Trace::Trace(QString name) :
 	name_(name),
@@ -72,7 +73,7 @@ void Trace::set_colour(QColor colour)
 	colour_ = colour;
 
 	bgcolour_ = colour;
-	bgcolour_.setAlpha(20);
+	bgcolour_.setAlpha(ColourBGAlpha);
 }
 
 void Trace::set_coloured_bg(bool state)
@@ -180,7 +181,7 @@ void Trace::paint_back(QPainter &p, const ViewItemPaintParams &pp)
 	if (coloured_bg_)
 		p.setBrush(bgcolour_);
 	else
-		p.setBrush(bgcolour_state_ ? BrightBGColour : DarkBGColour);
+		p.setBrush(bgcolour_state_ ? BrightGrayBGColour : DarkGrayBGColour);
 
 	p.setPen(QPen(Qt::NoPen));
 
@@ -196,8 +197,12 @@ void Trace::paint_back(QPainter &p, const ViewItemPaintParams &pp)
 
 void Trace::paint_axis(QPainter &p, const ViewItemPaintParams &pp, int y)
 {
+	p.setRenderHint(QPainter::Antialiasing, false);
+
 	p.setPen(AxisPen);
-	p.drawLine(QPointF(pp.left(), y + 0.5f), QPointF(pp.right(), y + 0.5f));
+	p.drawLine(QPointF(pp.left(), y), QPointF(pp.right(), y));
+
+	p.setRenderHint(QPainter::Antialiasing, true);
 }
 
 void Trace::add_colour_option(QWidget *parent, QFormLayout *form)
@@ -219,10 +224,14 @@ void Trace::create_popup_form()
 	// Clear the layout
 
 	// Transfer the layout and the child widgets to a temporary widget
-	// which then goes out of scope destroying the layout and all the child
-	// widgets.
-	if (popup_form_)
-		QWidget().setLayout(popup_form_);
+	// which we delete after the event was handled. This way, the layout
+	// and all widgets contained therein are deleted after the event was
+	// handled, leaving the parent popup_ time to handle the change.
+	if (popup_form_) {
+		QWidget *suicidal = new QWidget();
+		suicidal->setLayout(popup_form_);
+		suicidal->deleteLater();
+	}
 
 	// Repopulate the popup
 	popup_form_ = new QFormLayout(popup_);