Revalidate the iter. (#156924, Murray Cumming)

2004-11-01  Matthias Clasen  <mclasen@redhat.com>

	* gtk/gtktextbuffer.c (gtk_text_buffer_backspace): Revalidate the
	iter.  (#156924, Murray Cumming)

1 files changed, 11 insertions, 6 deletions

diff --git a/gtk/gtktextbuffer.c b/gtk/gtktextbuffer.c
index 96f2bc6817..ebcd2d42f5 100644
--- a/gtk/gtktextbuffer.c
+++ b/gtk/gtktextbuffer.c
@@ -629,7 +629,7 @@ gtk_text_buffer_insert_at_cursor (GtkTextBuffer *buffer,
  * @len: length of text in bytes, or -1
  * @default_editable: default editability of buffer
  *
- * Like gtk_text_buffer_insert (), but the insertion will not occur if
+ * Like gtk_text_buffer_insert(), but the insertion will not occur if
  * @iter is at a non-editable location in the buffer.  Usually you
  * want to prevent insertions at ineditable locations if the insertion
  * results from a user action (is interactive).
@@ -3322,12 +3322,14 @@ gtk_text_buffer_delete_selection (GtkTextBuffer *buffer,
  * key with the cursor at the position specified by @iter. In the
  * normal case a single character will be deleted, but when
  * combining accents are involved, more than one character can
- * be deleted, and when precomposed character and accent combinations,
- * less than one character will be deleted.
- *
- * @iter must be at a cursor position.
+ * be deleted, and when precomposed character and accent combinations
+ * are involved, less than one character will be deleted.
+ * 
+ * Because the buffer is modified, all outstanding iterators become 
+ * invalid after calling this function; however, the @iter will be
+ * re-initialized to point to the location where text was deleted. 
  *
- * Return value: %TRUE if tbe buffer was modified
+ * Return value: %TRUE if the buffer was modified
 
  * Since: 2.6
  **/
@@ -3402,6 +3404,9 @@ gtk_text_buffer_backspace (GtkTextBuffer *buffer,
   
   g_free (cluster_text);
 
+  /* Revalidate the users iter */
+  *iter = start;
+
   return retval;
 }