Autoscrolling in table object

xtt/lib/glow/src/glow_growapi.cpp

@@ -4118,6 +4118,11 @@ int grow_GetSelectedCell( grow_tObject object, int *column, int *row)
   return ((GrowTable *)object)->get_selected_cell( column, row);
 }
 
+int grow_TableMakeCellVisible( grow_tObject object, int column, int row)
+{
+  return ((GrowTable *)object)->make_cell_visible( column, row);
+}
+
 void grow_Convert( grow_tCtx ctx, glow_eConvert version)
 {
   ((GrowCtx *)ctx)->convert( version);

xtt/lib/glow/src/glow_growapi.h

@@ -2696,6 +2696,14 @@ typedef GlowTraceData glow_sTraceData;
   */
   int grow_GetSelectedCell( grow_tObject object, int *column, int *row);
 
+  //! Check if a cell is visible, and scroll if not.
+  /*!
+    \param object	Table object.
+    \param column	Cell column.
+    \param row		Cell row.
+  */
+  int grow_TableMakeCellVisible( grow_tObject object, int column, int row);
+
   void grow_Convert( grow_tCtx ctx, glow_eConvert version);
 
   //! Check if a nodeclass is extern.

xtt/lib/glow/src/glow_growscrollbar.cpp

@@ -250,6 +250,24 @@ void GrowScrollBar::nav_erase( GlowTransform *t, void *node)
 			   glow_eDrawType_LineErase);
 }
 
+double GrowScrollBar::set_value( double value, double length) 
+{
+  bar_value = value; 
+  if ( length != 0)
+    bar_length = length;
+
+  if ( bar_value < min_value)
+    bar_value = min_value;
+  if ( bar_value > max_value - bar_length)
+    bar_value = max_value - bar_length;
+
+  if ( !fill) 
+    erase(); 
+
+  draw();
+  return bar_value;
+}
+
 void GrowScrollBar::set_range( double min, double max)
 { 
   max_value = max;

xtt/lib/glow/src/glow_growscrollbar.h

@@ -146,10 +146,9 @@ class GrowScrollBar : public GrowRect {
   /*!
     \param value	Bar value.
     \param length	Bar length.
+    \return		The actual new bar value.
   */
-  void set_value( double value, double length) { bar_value = value; bar_length = length;
-	                            if ( !fill) erase(); 
-	                            draw();};
+  double set_value( double value, double length = 0);
 
   //! Set the range for the bar value
   /*!