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Sync OpenBSD patchset 259:

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Scroll by two less than the number of lines in the screen, like emacs, rather
than by the entire screen, to make it easier to pull things out from under the
line indicator. Suggested by claudio.
This commit is contained in:
Tiago Cunha
2009-08-16 19:23:07 +00:00
parent 9541471f87
commit 98e9e09588
2 changed files with 26 additions and 10 deletions
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18
window-scroll.c
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@ -1,4 +1,4 @@
/* $Id: window-scroll.c,v 1.38 2009-08-09 16:50:57 tcunha Exp $ */
/* $Id: window-scroll.c,v 1.39 2009-08-16 19:23:07 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -101,11 +101,15 @@ window_scroll_pageup(struct window_pane *wp)
{
struct window_scroll_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
u_int n;
if (data->oy + screen_size_y(s) > screen_hsize(&wp->base))
n = 1;
if (screen_size_y(s) > 2)
n = screen_size_y(s) - 2;
if (data->oy + n > screen_hsize(&wp->base))
data->oy = screen_hsize(&wp->base);
else
data->oy += screen_size_y(s);
data->oy += n;
window_scroll_redraw_screen(wp);
}
@ -130,6 +134,7 @@ window_scroll_key(struct window_pane *wp, unused struct client *c, int key)
{
struct window_scroll_mode_data *data = wp->modedata;
struct screen *s = &data->screen;
u_int n;
switch (mode_key_lookup(&data->mdata, key)) {
case MODEKEYCOPY_CANCEL:
@ -151,10 +156,13 @@ window_scroll_key(struct window_pane *wp, unused struct client *c, int key)
window_scroll_pageup(wp);
break;
case MODEKEYCOPY_NEXTPAGE:
if (data->oy < screen_size_y(s))
n = 1;
if (screen_size_y(s) > 2)
n = screen_size_y(s) - 2;
if (data->oy < n)
data->oy = 0;
else
data->oy -= screen_size_y(s);
data->oy -= n;
window_scroll_redraw_screen(wp);
break;
default: