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zapping: use the 'keep_cutbuffer' logic to keep undo items apart 

The 'keep_cutbuffer' variable becomes FALSE whenever there is cursor
movement or there was a marked region.  Use this variable to simplify
the condition for creating a new ZAP undo item.  But then typing the
'zap' shortcut should not cause the variable to be set to FALSE.

This fixes the first part of https://savannah.gnu.org/bugs/?56261.

Bug existed since zapping was introduced, in version 3.2.
master
Benno Schulenberg 2019-05-03 17:36:09 +02:00
parent b50d5758ef
commit edf6995be4
2 changed files with 5 additions and 5 deletions
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8
src/cut.c
View File

@ -380,8 +380,10 @@ void do_cut_text_void(void)
/* Only add a new undo item when the current item is not a CUT or when
* the current cut is not contiguous with the previous cutting. */
if (openfile->last_action != CUT || !keep_cutbuffer)
if (openfile->last_action != CUT || !keep_cutbuffer) {
keep_cutbuffer = FALSE;
add_undo(CUT);
}
do_cut_text(FALSE, openfile->mark != NULL, FALSE, FALSE);
@ -450,9 +452,7 @@ void zap_text(void)
/* Add a new undo item only when the current item is not a ZAP or when
* the current zap is not contiguous with the previous zapping. */
if (openfile->last_action != ZAP || openfile->mark != NULL ||
openfile->current_undo->mark_begin_lineno != openfile->current->lineno ||
openfile->current_undo->xflags & (MARK_WAS_SET|WAS_MARKED_FORWARD))
if (openfile->last_action != ZAP || !keep_cutbuffer)
add_undo(ZAP);
/* Use the cutbuffer from the ZAP undo item, so the cut can be undone. */

2
src/nano.c
View File

@ -1723,7 +1723,7 @@ void do_input(void)
/* When not cutting or copying text, drop the cutbuffer the next time. */
if (shortcut->func != do_cut_text_void) {
#ifndef NANO_TINY
if (shortcut->func != do_copy_text)
if (shortcut->func != do_copy_text && shortcut->func != zap_text)
#endif
keep_cutbuffer = FALSE;
}