From f218d97a17e0ee067c5454753ade670b52c7d13c Mon Sep 17 00:00:00 2001 From: Stefan Reinauer 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 Acked-by: Jordan Crouse 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') 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