commit 95fffa99aa6139d353b2693f0d2fed3ddaab85ed
parent 22f786169470b15aeb57ee3af463ff4ea1b31feb
Author: Benno Schulenberg <bensberg@telfort.nl>
Date: Mon, 5 Mar 2018 10:18:11 +0100
tweaks: adjust two comments, move two declarations, rewrap three lines
Diffstat:
| M | src/text.c | | | 34 | ++++++++++++++++------------------ |
1 file changed, 16 insertions(+), 18 deletions(-)
diff --git a/src/text.c b/src/text.c
@@ -1368,20 +1368,19 @@ void update_multiline_undo(ssize_t lineno, char *indentation)
u->newsize = openfile->totsize;
}
-/* Update an undo item, or determine whether a new one is really needed
- * and bounce the data to add_undo instead. The latter functionality
- * just feels gimmicky and may just be more hassle than it's worth,
- * so it should be axed if needed. */
+/* Update an undo record, after checking that a new one is not needed. */
void update_undo(undo_type action)
{
- undo *u;
+ undo *u = openfile->undotop;
+ char *char_buf;
+ int char_len;
#ifdef DEBUG
fprintf(stderr, " >> Updating an undo... action = %d\n", action);
#endif
- /* Change to an add if we're not using the same undo struct
- * that we should be using. */
+ /* If the action is different or the position changed, don't update the
+ * current record but add a new one instead. */
if (action != openfile->last_action ||
(action != ENTER && action != CUT && action != INSERT &&
openfile->current->lineno != openfile->current_undo->lineno)) {
@@ -1389,27 +1388,27 @@ fprintf(stderr, " >> Updating an undo... action = %d\n", action);
return;
}
- u = openfile->undotop;
-
u->newsize = openfile->totsize;
switch (u->type) {
- case ADD: {
- char *char_buf = charalloc(MAXCHARLEN);
- int char_len = parse_mbchar(&openfile->current->data[u->mark_begin_x], char_buf, NULL);
- u->strdata = addstrings(u->strdata, u->strdata ? strlen(u->strdata) : 0, char_buf, char_len);
+ case ADD:
+ char_buf = charalloc(MAXCHARLEN);
+ char_len = parse_mbchar(&openfile->current->data[u->mark_begin_x],
+ char_buf, NULL);
+ u->strdata = addstrings(u->strdata, u->strdata ? strlen(u->strdata) : 0,
+ char_buf, char_len);
u->mark_begin_lineno = openfile->current->lineno;
u->mark_begin_x = openfile->current_x;
break;
- }
case ENTER:
u->strdata = mallocstrcpy(NULL, openfile->current->data);
u->mark_begin_x = openfile->current_x;
break;
case BACK:
- case DEL: {
- char *char_buf = charalloc(MAXCHARLEN);
- int char_len = parse_mbchar(&openfile->current->data[openfile->current_x], char_buf, NULL);
+ case DEL:
+ char_buf = charalloc(MAXCHARLEN);
+ char_len = parse_mbchar(&openfile->current->data[openfile->current_x],
+ char_buf, NULL);
if (openfile->current_x == u->begin) {
/* They deleted more: add removed character after earlier stuff. */
u->strdata = addstrings(u->strdata, strlen(u->strdata), char_buf, char_len);
@@ -1425,7 +1424,6 @@ fprintf(stderr, " >> Updating an undo... action = %d\n", action);
return;
}
break;
- }
case JOIN:
break;
case REPLACE:
