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tweaks: instead of swapping the end points later, assign them correctly 

(This also makes it clear that the naming of 'head' and 'tail'
is the wrong way around for CUT too.)
master
Benno Schulenberg 2020-02-28 15:21:36 +01:00
parent bd88b8b5a6
commit 132ed5c8f0
1 changed files with 11 additions and 18 deletions
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27
src/text.c
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@ -1179,9 +1179,17 @@ void add_undo(undo_type action, const char *message)
case ZAP:
case CUT:
if (openfile->mark) {
u->xflags |= MARK_WAS_SET;
if (openfile->mark->lineno < openfile->current->lineno ||
(openfile->mark == openfile->current &&
openfile->mark_x < openfile->current_x)) {
u->tail_lineno = openfile->mark->lineno;
u->tail_x = openfile->mark_x;
u->xflags |= MARK_WAS_SET;
u->xflags |= WAS_MARKED_FORWARD;
} else {
u->head_lineno = openfile->mark->lineno;
u->head_x = openfile->mark_x;
}
if (openfile->current == openfile->filebot ||
openfile->mark == openfile->filebot)
u->xflags |= WAS_FINAL_LINE;
@ -1323,22 +1331,7 @@ void update_undo(undo_type action)
free_lines(u->cutbuffer);
u->cutbuffer = copy_buffer(cutbuffer);
}
if (u->xflags & MARK_WAS_SET) {
/* If the region was marked backwards, swap the end points. */
if (u->head_lineno < u->tail_lineno ||
(u->head_lineno == u->tail_lineno &&
u->head_x < u->tail_x)) {
ssize_t number = u->head_lineno;
size_t position = u->head_x;
u->head_lineno = u->tail_lineno;
u->head_x = u->tail_x;
u->tail_lineno = number;
u->tail_x = position;
} else
u->xflags |= WAS_MARKED_FORWARD;
} else {
if (!(u->xflags & MARK_WAS_SET)) {
linestruct *bottomline = u->cutbuffer;
size_t count = 0;