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Scrolling an extra amount when softwrap is on and the current line runs off.

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git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4611 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
This commit is contained in:
Benno Schulenberg 2014-02-26 11:38:30 +00:00
parent db906ea121
commit df7bba340f
3 changed files with 13 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2014-02-26 Benno Schulenberg <bensberg@justemail.net>
* src/move.c (do_down), src/winio.c (edit_scroll) - Scroll an
extra amount when softwrap is on and the current line would
otherwise run off the screen, and recalculate maxrows after
each scroll. Solves bug #27550 reported by Hannes Schueller.
2014-02-25 Benno Schulenberg <bensberg@justemail.net>
* NEWS - Fix some typos and wordings, and rewrap a few lines.
* src/global.c - Correcting some translator comments, removal

6
src/move.c
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@ -564,6 +564,7 @@ void do_down(
)
{
bool onlastline = FALSE;
int extra = 0;
/* If we're at the bottom of the file, get out. */
if (openfile->current == openfile->filebot)
@ -580,6 +581,8 @@ void do_down(
if (ISSET(SOFTWRAP)) {
if (openfile->current->lineno - openfile->edittop->lineno >= maxrows)
onlastline = TRUE;
/* Compute the extra amount to scroll when the current line is overlong. */
extra = (strlenpt(openfile->current->data) / COLS + openfile->current_y + 2 - editwinrows);
}
/* If scroll_only is FALSE and if we're on the first line of the
@ -599,6 +602,9 @@ void do_down(
editwinrows / 2 + 1);
edit_refresh_needed = TRUE;
} else if (extra > 0) {
edit_scroll(DOWN_DIR, extra);
edit_refresh_needed = TRUE;
}
/* If we're above the last line of the edit window, update the line
* we were on before and the line we're on now. The former needs to

1
src/winio.c
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@ -3115,6 +3115,7 @@ void edit_scroll(scroll_dir direction, ssize_t nlines)
openfile->current_x : 0);
foo = foo->next;
}
compute_maxrows();
}
/* Update any lines between old_current and current that need to be