From f218d97a17e0ee067c5454753ade670b52c7d13c Mon Sep 17 00:00:00 2001
From: Stefan Reinauer <stepan@coresystems.de>
Date: Fri, 12 Sep 2008 21:50:57 +0000
Subject: * Implement scrolling in tinycurses * Fix an off by one bug
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Jordan Crouse <jordan.crouse@amd.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3578 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
---
payloads/libpayload/curses/tinycurses.c | 22 +++++++++++++++++++---
1 file changed, 19 insertions(+), 3 deletions(-)
(limited to 'payloads/libpayload/curses')
diff --git a/payloads/libpayload/curses/tinycurses.c b/payloads/libpayload/curses/tinycurses.c
index 960e74fc9e..0714298517 100644
--- a/payloads/libpayload/curses/tinycurses.c
+++ b/payloads/libpayload/curses/tinycurses.c
@@ -70,7 +70,7 @@ static int window_count = 1;
static struct ldat ldat_list[MAX_WINDOWS][SCREEN_Y];
static int ldat_count = 0;
-/* One item bigger than SCREEN_X to reverse place for a NUL byte. */
+/* One item bigger than SCREEN_X to reserve space for a NUL byte. */
static NCURSES_CH_T linebuf_list[SCREEN_Y * MAX_WINDOWS][SCREEN_X + 1];
static int linebuf_count = 0;
@@ -305,8 +305,8 @@ WINDOW *initscr(void)
stdscr = newwin(SCREEN_Y, SCREEN_X + 1, 0, 0);
// TODO: curscr, newscr?
- for (y = 0; y < stdscr->_maxy; y++) {
- for (x = 0; x < stdscr->_maxx; x++) {
+ for (y = 0; y <= stdscr->_maxy; y++) {
+ for (x = 0; x <= stdscr->_maxx; x++) {
stdscr->_line[y].text[x].chars[0] = ' ';
stdscr->_line[y].text[x].attr = A_NORMAL;
}
@@ -817,6 +817,22 @@ int wscrl(WINDOW *win, int n)
return ERR;
if (n != 0) {
+ int x, y;
+
+ for (y = 0; y <= (win->_maxy - n); y++) {
+ for (x = 0; x <= win->_maxx; x++) {
+ win->_line[y].text[x].chars[0] = win->_line[y + n].text[x].chars[0];
+ win->_line[y].text[x].attr = win->_line[y + n].text[x].attr;
+ }
+ }
+
+ for (y = (win->_maxy+1 - n); y <= win->_maxy; y++) {
+ for (x = 0; x <= win->_maxx; x++) {
+ win->_line[y].text[x].chars[0] = ' ';
+ win->_line[y].text[x].attr = A_NORMAL;
+ }
+ }
+
// _nc_scroll_window(win, n, win->_regtop, win->_regbottom, win->_nc_bkgd);
// _nc_synchook(win);
}
--
cgit v1.2.3