RowItemOwner: Added depth() method

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

diff --git a/pv/view/rowitemowner.h b/pv/view/rowitemowner.h
index 98df5ff7221bd69cf68517d9615e7546a2918d9a..0fda9aa27b1778dbabfdf6c3d797fd3e4206065a 100644 (file)
--- a/pv/view/rowitemowner.h
+++ b/pv/view/rowitemowner.h
@@ -65,6 +65,11 @@ public:
 
        virtual int owner_v_offset() const = 0;
 
+       /**
+        * Returns the number of nested parents that this row item owner has.
+        */
+       virtual unsigned int depth() const = 0;
+
        /**
         * Returns a list of row items owned by this object.
         */
@@ -113,7 +118,16 @@ public:
         */
        const_iterator end() const;
 
-       virtual void update_viewport() = 0;
+       /**
+        * Computes the vertical extents of the contents of this row item owner.
+        * @return A pair containing the minimum and maximum y-values.
+        */
+       std::pair<int, int> v_extents() const;
+
+public:
+       virtual void appearance_changed(bool label, bool content) = 0;
+
+       virtual void extents_changed(bool horz, bool vert) = 0;
 
 private:
        item_list _items;