X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fsignal.h;h=8faff77c6a11ba1dc5550b4be9cb23527724f900;hb=397c9541a50d9fe88a9877d58e1d149df31eee04;hp=2351a2f911256c0a591c953a6d7d9d63e1421848;hpb=51e77110d4316fd0106f8306f5e1f0523c5bf7d7;p=pulseview.git

diff --git a/pv/signal.h b/pv/signal.h
index 2351a2f..8faff77 100644
--- a/pv/signal.h
+++ b/pv/signal.h
@@ -34,6 +34,7 @@ class Signal
 {
 private:
 	static const QSizeF LabelPadding;
+	static const int LabelHitPadding;
 
 protected:
 	Signal(QString name);
@@ -52,15 +53,35 @@ public:
 	virtual void paint(QPainter &p, const QRect &rect, double scale,
 		double offset) = 0;
 
+
 	/**
 	 * Paints the signal label into a QGLWidget.
 	 * @param p the QPainter to paint into.
 	 * @param rect the rectangular area to draw the label into.
+	 * @param hover true if the label is being hovered over by the mouse.
 	 */
-	virtual void paint_label(QPainter &p, const QRect &rect);
+	virtual void paint_label(QPainter &p, const QRect &rect,
+		bool hover);
 
-protected:
+	/**
+	 * Determines if a point is in the header label rect.
+	 * @param p the QPainter to paint into.
+	 * @param rect the rectangular area to draw the label into.
+	 * @param point the point to test.
+	 */
+	bool pt_in_label_rect(QPainter &p, const QRect &rect,
+		const QPoint &point);
 
+private:
+	/**
+	 * Computes the outline rectangle of a label.
+	 * @param p the QPainter to lay out text with.
+	 * @param rect The rectangle of the signal header.
+	 * @return Returns the rectangle of the signal label.
+	 */
+	virtual QRectF get_label_rect(QPainter &p, const QRect &rect);
+
+protected:
 	/**
 	 * Get the colour of the logic signal
 	 */