[gnumeric] adjust range_clip_to_finite

[Andreas J. Guelzow <guelzow src gnome org>]

commit 8f00d102c2f4141a30b93511f04c6c76f91d4fd6
Author: Andreas J. Guelzow <aguelzow pyrshep ca>
Date:   Tue Jun 9 22:50:17 2009 -0600

    adjust range_clip_to_finite
    
    2009-06-09  Andreas J. Guelzow <aguelzow pyrshep ca>
    
    	* src/ranges.c (range_clip_to_finite): adjust limits and add
    	  explanatory comment
---
 ChangeLog    |    5 +++++
 src/ranges.c |   11 +++++++++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index d5f5033..3f722e0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2009-06-09  Andreas J. Guelzow <aguelzow pyrshep ca>
 
+	* src/ranges.c (range_clip_to_finite): adjust limits and add 
+	  explanatory comment
+
+2009-06-09  Andreas J. Guelzow <aguelzow pyrshep ca>
+
 	* src/sheet.h (sheet_get_nominal_printarea): change return type
 	* src/sheet.c (gnm_sheet_constructor): change initialization
 	  of print area
diff --git a/src/ranges.c b/src/ranges.c
index e0e5205..62898e9 100644
--- a/src/ranges.c
+++ b/src/ranges.c
@@ -603,6 +603,13 @@ range_is_full (GnmRange const *r, Sheet const *sheet, gboolean horiz)
  * @sheet : the sheet in which @range lives
  *
  * Clip the range to the area of the sheet with content.
+ * if the range reaches the edge 
+ *
+ * The idea here is that users may select a whole column or ow when they
+ * really are only concerned with the extent of the sheet.
+ * On the otehr hand, if users select any smaller region they probably 
+ * intend to selec tjust that.
+ *
  * WARNING THIS IS EXPENSIVE!
  **/
 void
@@ -615,9 +622,9 @@ range_clip_to_finite (GnmRange *range, Sheet *sheet)
 	 * using the current values as a cache
 	 */
 	extent = sheet_get_extent (sheet, FALSE);
-	if (range->end.col >= gnm_sheet_get_max_cols (sheet) - 2)
+	if (range->end.col >= gnm_sheet_get_max_cols (sheet) - 1)
 		range->end.col = extent.end.col;
-	if (range->end.row >= gnm_sheet_get_max_rows (sheet) - 2)
+	if (range->end.row >= gnm_sheet_get_max_rows (sheet) - 1)
 		range->end.row = extent.end.row;
 }