diff options
| author | Marcus Brinkmann <marcus@gnu.org> | 2002-08-28 17:28:36 +0000 |
|---|---|---|
| committer | Marcus Brinkmann <marcus@gnu.org> | 2002-08-28 17:28:36 +0000 |
| commit | 513afcf4f8cd67275bad59251d1ee2a845d0ddca (patch) | |
| tree | 50ba58bd26fca25385be71fb144daadc287063b9 /console/display.c | |
| parent | d14e2936fd203532ed19471c504b5b43adecf74b (diff) | |
hurd/
2002-08-28 Marcus Brinkmann <marcus@gnu.org>
* console.h (struct cons_display): Fix comment on CUR_LINE.
console/
2002-08-28 Marcus Brinkmann <marcus@gnu.org>
* display.c (screen_fill): Take CUR_LINES modulo LINES.
(screen_shift_left): Likewise.
(screen_shift_right): Likewise.
(linefeed): Don't take CUR_LINES modulo LINES here.
libcons/
2002-08-28 Marcus Brinkmann <marcus@gnu.org>
* file-changed.c (cons_S_file_changed): Take NEW_CUR_LINE modulo
VCONS->state.screen.lines where appropriate. Adapt calculation of
SCROLLING, and limit it to the screen size.
Only scroll at all if there is something to scroll.
Fix calculation of scrolled-in area.
* vcons-refresh.c (cons_vcons_refresh): Take
VCONS->state.screen.cur_line modulo VCONS->state.screen.lines.
Diffstat (limited to 'console/display.c')
| -rw-r--r-- | console/display.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/console/display.c b/console/display.c index bcdbac1b..908a1d06 100644 --- a/console/display.c +++ b/console/display.c @@ -829,8 +829,10 @@ screen_fill (display_t display, size_t col1, size_t row1, size_t col2, size_t row2, wchar_t chr, conchar_attr_t attr) { struct cons_display *user = display->user; - off_t start = (user->screen.cur_line + row1) * user->screen.width + col1; - off_t end = (user->screen.cur_line + row2) * user->screen.width + col2; + off_t start = ((user->screen.cur_line % user->screen.lines) + row1) + * user->screen.width + col1; + off_t end = ((user->screen.cur_line % user->screen.lines) + row2) + * user->screen.width + col2; off_t size = user->screen.width * user->screen.lines; if (start >= size && end >= size) @@ -857,8 +859,10 @@ screen_shift_left (display_t display, size_t col1, size_t row1, size_t col2, size_t row2, size_t shift, wchar_t chr, conchar_attr_t attr) { struct cons_display *user = display->user; - off_t start = (user->screen.cur_line + row1) * user->screen.width + col1; - off_t end = (user->screen.cur_line + row2) * user->screen.width + col2; + off_t start = ((user->screen.cur_line % user->screen.lines) + row1) + * user->screen.width + col1; + off_t end = ((user->screen.cur_line % user->screen.lines) + row2) + * user->screen.width + col2; off_t size = user->screen.width * user->screen.lines; if (start >= size && end >= size) @@ -894,8 +898,10 @@ screen_shift_right (display_t display, size_t col1, size_t row1, size_t col2, wchar_t chr, conchar_attr_t attr) { struct cons_display *user = display->user; - off_t start = (user->screen.cur_line + row1) * user->screen.width + col1; - off_t end = (user->screen.cur_line + row2) * user->screen.width + col2; + off_t start = ((user->screen.cur_line % user->screen.lines) + row1) + * user->screen.width + col1; + off_t end = ((user->screen.cur_line % user->screen.lines) + row2) + * user->screen.width + col2; off_t size = user->screen.width * user->screen.lines; if (start >= size && end >= size) @@ -1080,7 +1086,6 @@ linefeed (display_t display) else { user->screen.cur_line++; - user->screen.cur_line %= user->screen.lines; screen_fill (display, 0, user->screen.height - 1, user->screen.width - 1, user->screen.height - 1, @@ -1463,7 +1468,7 @@ display_output_one (display_t display, wchar_t chr) else { /* XXX This implements the <bw> functionality. - The alternative is to cut off and set x to 0. */ + The alternative is to cut off and set col to 0. */ user->cursor.col = user->screen.width - 1; user->cursor.row--; } |