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change gravity of start/end marks so that text added at either end of the

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2002-02-23  Havoc Pennington  <hp@redhat.com>

	* gtk/gtktextbuffer.c (save_range): change gravity of start/end
	marks so that text added at either end of the range doesn't end up
	inside the range.
	(gtk_text_buffer_real_insert_range): fix to handle pasting a range
	into itself. #71412
This commit is contained in:
Havoc Pennington 2002-02-24 00:38:59 +00:00 committed by Havoc Pennington
parent 779ce437d7
commit f97ae50153
8 changed files with 136 additions and 24 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2002-02-23 Havoc Pennington <hp@redhat.com>
* gtk/gtktextbuffer.c (save_range): change gravity of start/end
marks so that text added at either end of the range doesn't end up
inside the range.
(gtk_text_buffer_real_insert_range): fix to handle pasting a range
into itself. #71412
Sat Feb 23 19:05:34 2002 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (validate_visible_area): Didn't refind node

8
ChangeLog.pre-2-0
View File

@ -1,3 +1,11 @@
2002-02-23 Havoc Pennington <hp@redhat.com>
* gtk/gtktextbuffer.c (save_range): change gravity of start/end
marks so that text added at either end of the range doesn't end up
inside the range.
(gtk_text_buffer_real_insert_range): fix to handle pasting a range
into itself. #71412
Sat Feb 23 19:05:34 2002 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (validate_visible_area): Didn't refind node

8
ChangeLog.pre-2-10
View File

@ -1,3 +1,11 @@
2002-02-23 Havoc Pennington <hp@redhat.com>
* gtk/gtktextbuffer.c (save_range): change gravity of start/end
marks so that text added at either end of the range doesn't end up
inside the range.
(gtk_text_buffer_real_insert_range): fix to handle pasting a range
into itself. #71412
Sat Feb 23 19:05:34 2002 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (validate_visible_area): Didn't refind node

8
ChangeLog.pre-2-2
View File

@ -1,3 +1,11 @@
2002-02-23 Havoc Pennington <hp@redhat.com>
* gtk/gtktextbuffer.c (save_range): change gravity of start/end
marks so that text added at either end of the range doesn't end up
inside the range.
(gtk_text_buffer_real_insert_range): fix to handle pasting a range
into itself. #71412
Sat Feb 23 19:05:34 2002 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (validate_visible_area): Didn't refind node

8
ChangeLog.pre-2-4
View File

@ -1,3 +1,11 @@
2002-02-23 Havoc Pennington <hp@redhat.com>
* gtk/gtktextbuffer.c (save_range): change gravity of start/end
marks so that text added at either end of the range doesn't end up
inside the range.
(gtk_text_buffer_real_insert_range): fix to handle pasting a range
into itself. #71412
Sat Feb 23 19:05:34 2002 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (validate_visible_area): Didn't refind node

8
ChangeLog.pre-2-6
View File

@ -1,3 +1,11 @@
2002-02-23 Havoc Pennington <hp@redhat.com>
* gtk/gtktextbuffer.c (save_range): change gravity of start/end
marks so that text added at either end of the range doesn't end up
inside the range.
(gtk_text_buffer_real_insert_range): fix to handle pasting a range
into itself. #71412
Sat Feb 23 19:05:34 2002 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (validate_visible_area): Didn't refind node

8
ChangeLog.pre-2-8
View File

@ -1,3 +1,11 @@
2002-02-23 Havoc Pennington <hp@redhat.com>
* gtk/gtktextbuffer.c (save_range): change gravity of start/end
marks so that text added at either end of the range doesn't end up
inside the range.
(gtk_text_buffer_real_insert_range): fix to handle pasting a range
into itself. #71412
Sat Feb 23 19:05:34 2002 Jonathan Blandford <jrb@redhat.com>
* gtk/gtktreeview.c (validate_visible_area): Didn't refind node

98
gtk/gtktextbuffer.c
View File

@ -665,18 +665,18 @@ save_range (GtkTextIter *range_start,
gtk_text_buffer_create_mark (gtk_text_iter_get_buffer (range_start),
NULL,
range_start,
TRUE);
FALSE);
r->end_mark =
gtk_text_buffer_create_mark (gtk_text_iter_get_buffer (range_start),
NULL,
range_end,
FALSE);
TRUE);
r->whole_end_mark =
gtk_text_buffer_create_mark (gtk_text_iter_get_buffer (range_start),
NULL,
whole_end,
FALSE);
TRUE);
r->range_start = range_start;
r->range_end = range_end;
@ -704,6 +704,17 @@ restore_range (Range *r)
gtk_text_buffer_delete_mark (r->buffer, r->end_mark);
gtk_text_buffer_delete_mark (r->buffer, r->whole_end_mark);
/* Due to the gravities on the marks, the ordering could have
* gotten mangled; we switch to an empty range in that
* case
*/
if (gtk_text_iter_compare (r->range_start, r->range_end) > 0)
*r->range_start = *r->range_end;
if (gtk_text_iter_compare (r->range_end, r->whole_end) > 0)
*r->range_end = *r->whole_end;
g_object_unref (G_OBJECT (r->buffer));
g_free (r);
}
@ -821,11 +832,11 @@ insert_range_untagged (GtkTextBuffer *buffer,
}
static void
gtk_text_buffer_real_insert_range (GtkTextBuffer *buffer,
GtkTextIter *iter,
const GtkTextIter *orig_start,
const GtkTextIter *orig_end,
gboolean interactive)
insert_range_not_inside_self (GtkTextBuffer *buffer,
GtkTextIter *iter,
const GtkTextIter *orig_start,
const GtkTextIter *orig_end,
gboolean interactive)
{
/* Find each range of uniformly-tagged text, insert it,
* then apply the tags.
@ -835,14 +846,10 @@ gtk_text_buffer_real_insert_range (GtkTextBuffer *buffer,
GtkTextIter range_start;
GtkTextIter range_end;
GtkTextBuffer *src_buffer;
Range *r;
if (gtk_text_iter_equal (orig_start, orig_end))
return;
if (interactive)
gtk_text_buffer_begin_user_action (buffer);
src_buffer = gtk_text_iter_get_buffer (orig_start);
gtk_text_iter_order (&start, &end);
@ -850,21 +857,13 @@ gtk_text_buffer_real_insert_range (GtkTextBuffer *buffer,
range_start = start;
range_end = start;
/* FIXME if you insert a range into itself, this can loop infinitely because
* the region being copied keeps growing as we insert. The fix is probably to create a
* copy of what's being inserted, or to save two regions, the region before
* the insertion point and the region after.
*
* http://bugzilla.gnome.org/show_bug.cgi?id=71412
*/
while (TRUE)
{
gint start_offset;
GtkTextIter start_iter;
GSList *tags;
GSList *tmp_list;
Range *r;
if (gtk_text_iter_equal (&range_start, &end))
break; /* All done */
@ -908,6 +907,63 @@ gtk_text_buffer_real_insert_range (GtkTextBuffer *buffer,
range_start = range_end;
}
}
static void
gtk_text_buffer_real_insert_range (GtkTextBuffer *buffer,
GtkTextIter *iter,
const GtkTextIter *orig_start,
const GtkTextIter *orig_end,
gboolean interactive)
{
GtkTextBuffer *src_buffer;
/* Find each range of uniformly-tagged text, insert it,
* then apply the tags.
*/
if (gtk_text_iter_equal (orig_start, orig_end))
return;
if (interactive)
gtk_text_buffer_begin_user_action (buffer);
src_buffer = gtk_text_iter_get_buffer (orig_start);
if (gtk_text_iter_get_buffer (iter) != src_buffer ||
!gtk_text_iter_in_range (iter, orig_start, orig_end))
{
insert_range_not_inside_self (buffer, iter, orig_start, orig_end, interactive);
}
else
{
/* If you insert a range into itself, it could loop infinitely
* because the region being copied keeps growing as we insert. So
* we have to separately copy the range before and after
* the insertion point.
*/
GtkTextIter start = *orig_start;
GtkTextIter end = *orig_end;
GtkTextIter range_start;
GtkTextIter range_end;
Range *first_half;
Range *second_half;
gtk_text_iter_order (&start, &end);
range_start = start;
range_end = *iter;
first_half = save_range (&range_start, &range_end, &end);
range_start = *iter;
range_end = end;
second_half = save_range (&range_start, &range_end, &end);
restore_range (first_half);
insert_range_not_inside_self (buffer, iter, &range_start, &range_end, interactive);
restore_range (second_half);
insert_range_not_inside_self (buffer, iter, &range_start, &range_end, interactive);
}
if (interactive)
gtk_text_buffer_end_user_action (buffer);