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softwrap: improve End's behavior with softwrapped chunks

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Make do_end() more useful in softwrap mode: let it move to the end of the
current chunk instead of the end of the line; only when already at the end
of a chunk, let it move to the end of the line.  This is "dynamic end".
This commit is contained in:
David Lawrence Ramsey 2017-01-20 02:07:15 -06:00 committed by Benno Schulenberg
parent bd2d0863d6
commit e478682c55
1 changed files with 30 additions and 5 deletions
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35
src/move.c
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@ -410,18 +410,43 @@ void do_home_void(void)
do_home(); do_home();
} }
/* Move to the end of the current line. */ /* Move to the end of the current line (or softwrapped chunk).
*
* Try to do a dynamic end if it's possible and we're in softwrap mode. */
void do_end(void) void do_end(void)
{ {
size_t was_column = xplustabs(); size_t was_column = xplustabs();
size_t line_len = strlen(openfile->current->data);
filestruct *was_current = openfile->current;
bool moved_off_chunk = TRUE;
#ifndef NANO_TINY
if (ISSET(SOFTWRAP)) {
size_t rightedge_x = actual_x(openfile->current->data,
((was_column / editwincols) * editwincols) +
(editwincols - 1));
/* If already at the right edge of the screen, move fully to the
* end of the line. Otherwise, move to the right edge. */
if (openfile->current_x == rightedge_x)
openfile->current_x = line_len;
else {
openfile->current_x = rightedge_x;
moved_off_chunk = FALSE;
}
} else
#endif
openfile->current_x = line_len;
openfile->current_x = strlen(openfile->current->data);
openfile->placewewant = xplustabs(); openfile->placewewant = xplustabs();
if (line_needs_update(was_column, openfile->placewewant)) /* If we changed chunk, we might be offscreen. Otherwise,
* update current if the mark is on or we changed "page". */
if (ISSET(SOFTWRAP) && moved_off_chunk) {
focusing = FALSE;
edit_redraw(was_current);
} else if (line_needs_update(was_column, openfile->placewewant))
update_line(openfile->current, openfile->current_x); update_line(openfile->current, openfile->current_x);
ensure_line_is_visible();
} }
void do_end_void(void) void do_end_void(void)