X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Frowitem.h;h=aba7260b0a814797c9ec689bedd16e663216056f;hp=fb09edaa3cc76b52e00f3bca94c613efc7de8fbe;hb=be9e7b4bb29b6594ec2b64442748ab135b684bf8;hpb=bd9a1f175057487cff3cb3cc62bc9595e19945be

diff --git a/pv/view/rowitem.h b/pv/view/rowitem.h
index fb09edaa..aba7260b 100644
--- a/pv/view/rowitem.h
+++ b/pv/view/rowitem.h
@@ -21,6 +21,8 @@
 #ifndef PULSEVIEW_PV_VIEW_HEADERITEM_H
 #define PULSEVIEW_PV_VIEW_HEADERITEM_H
 
+#include <memory>
+
 #include "selectableitem.h"
 
 namespace pv {
@@ -28,8 +30,11 @@ namespace view {
 
 class RowItemOwner;
 
-class RowItem : public SelectableItem
+class RowItem : public SelectableItem,
+	public std::enable_shared_from_this<pv::view::RowItem>
 {
+	Q_OBJECT
+
 public:
 	/**
 	 * Constructor.
@@ -44,12 +49,27 @@ public:
 	/**
 	 * Gets the vertical layout offset of this signal.
 	 */
-	int v_offset() const;
+	int layout_v_offset() const;
 
 	/**
 	 * Sets the vertical layout offset of this signal.
 	 */
-	void set_v_offset(int v_offset);
+	void set_layout_v_offset(int v_offset);
+
+	/**
+	 * Gets the vertical visual offset of this signal.
+	 */
+	int visual_v_offset() const;
+
+	/**
+	 * Sets the vertical visual offset of this signal.
+	 */
+	void set_visual_v_offset(int v_offset);
+
+	/**
+	 * Sets the visual and layout offset of this signal.
+	 */
+	void force_to_v_offset(int v_offset);
 
 	/**
 	 * Gets the owner this trace in the view trace hierachy.
@@ -63,9 +83,20 @@ public:
 	void set_owner(pv::view::RowItemOwner *owner);
 
 	/**
-	 * Gets the y-offset of the axis.
+	 * Gets the visual y-offset of the axis.
+	 */
+	int get_visual_y() const;
+
+	/**
+	 * Gets the drag point of the row item.
 	 */
-	int get_y() const;
+	QPoint point() const;
+
+	/**
+	 * Computes the vertical extents of the contents of this row item.
+	 * @return A pair containing the minimum and maximum y-values.
+	 */
+	virtual std::pair<int, int> v_extents() const = 0;
 
 	/**
 	 * Paints the background layer of the trace with a QPainter
@@ -106,15 +137,19 @@ public:
 	 * 	area.
 	 * @return Returns the rectangle of the signal label.
 	 */
-	virtual QRectF label_rect(int right) = 0;
+	virtual QRectF label_rect(int right) const = 0;
 
 public:
 	virtual void hover_point_changed();
 
+Q_SIGNALS:
+	void appearance_changed();
+
 protected:
 	pv::view::RowItemOwner *_owner;
 
-	int _v_offset;
+	int _layout_v_offset;
+	int _visual_v_offset;
 };
 
 } // namespace view