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Fix crash with auto-indent

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This commit is contained in:
Colin Leroy 2014-05-23 11:21:56 +02:00
parent d7493e38a4
commit 78b5d80a0b
1 changed files with 9 additions and 2 deletions
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7
src/undo.c
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@ -600,6 +600,9 @@ static void end_wrap_undo(UndoMain *undostruct)
if (undostruct->wrap_info->start_pos == -1)
goto cleanup;
cm_return_if_fail(undostruct->wrap_info->end_pos > undostruct->wrap_info->start_pos);
cm_return_if_fail(undostruct->wrap_info->end_pos - undostruct->wrap_info->len_change > undostruct->wrap_info->start_pos);
/* get the whole new (wrapped) contents */
buffer = gtk_text_view_get_buffer(undostruct->textview);
gtk_text_buffer_get_start_iter(buffer, &start);
@ -668,14 +671,18 @@ static void update_wrap_undo(UndoMain *undostruct, const gchar *text, int start,
* change, and the total length of the changed region
* increases.
*/
if (end > undostruct->wrap_info->end_pos) {
undostruct->wrap_info->end_pos = end;
}
undostruct->wrap_info->len_change += len;
} else if (action == UNDO_ACTION_DELETE) {
/* If deleting, the end of the region is at the start of the
* change, and the total length of the changed region
* decreases.
*/
if (start > undostruct->wrap_info->end_pos) {
undostruct->wrap_info->end_pos = start;
}
undostruct->wrap_info->len_change -= len;
}
}