RowItem: Replaced fixed signal heights with extents

[pulseview.git] / pv / view / tracegroup.h

diff --git a/pv/view/tracegroup.h b/pv/view/tracegroup.h
index 297afa82eaec28c1002bc79cbbd33a4ee47466e4..a9f5558f4a381893dcae3d05c9bf36d9a9742243 100644 (file)
--- a/pv/view/tracegroup.h
+++ b/pv/view/tracegroup.h
@@ -31,6 +31,10 @@ class TraceGroup : public RowItem, public RowItemOwner
 {
        Q_OBJECT
 
+private:
+       static const int Padding;
+       static const int Width;
+
 public:
        /**
         * Virtual destructor
@@ -62,6 +66,12 @@ public:
         */
        virtual const pv::view::View* view() const;
 
+       /**
+        * Computes the vertical extents of the contents of this row item.
+        * @return A pair containing the minimum and maximum y-values.
+        */
+       std::pair<int, int> v_extents() const;
+
        /**
         * Paints the signal label.
         * @param p the QPainter to paint into.
@@ -77,7 +87,7 @@ public:
         *      area.
         * @return Returns the rectangle of the signal label.
         */
-       QRectF label_rect(int right);
+       QRectF label_rect(int right) const;
 
        /**
         * Determines if a point is in the header label rect.