View: Remove empty trace groups in signals_changed()

[pulseview.git] / pv / view / trace.hpp

diff --git a/pv/view/trace.hpp b/pv/view/trace.hpp
index dce9fcc920c4ab856a5bb60663b1cb50146a3538..cb5ac15c6ec2173f14cc3d7dbde1ac298a7a333e 100644 (file)
--- a/pv/view/trace.hpp
+++ b/pv/view/trace.hpp
@@ -49,6 +49,9 @@ private:
        static const QPen AxisPen;
        static const int LabelHitPadding;
 
+       static const QColor BrightBGColour;
+       static const QColor DarkBGColour;
+
 protected:
        Trace(QString name);
 
@@ -74,11 +77,9 @@ public:
        void set_colour(QColor colour);
 
        /**
-        * Computes the outline rectangle of the viewport hit-box.
-        * @param rect the rectangle of the viewport area.
-        * @return Returns the rectangle of the hit-box.
+        * Enables or disables the coloured background for this trace.
         */
-       QRectF hit_box_rect(const ViewItemPaintParams &pp) const;
+       void set_coloured_bg(bool state);
 
        /**
         * Paints the signal label.
@@ -101,9 +102,9 @@ public:
 
 protected:
        /**
-        * Paints the background layer of the signal with a QPainter
-        * @param p the QPainter to paint into.
-        * @param pp the painting parameters object to paint with..
+        * Paints the background layer of the signal with a QPainter.
+        * @param p The QPainter to paint into.
+        * @param pp The painting parameters object to paint with.
         */
        virtual void paint_back(QPainter &p, const ViewItemPaintParams &pp);
 
@@ -131,6 +132,7 @@ private Q_SLOTS:
 protected:
        QString name_;
        QColor colour_, bgcolour_;
+       bool coloured_bg_, coloured_bg_state_;
 
 private:
        pv::widgets::Popup *popup_;