diff options
Diffstat (limited to 'ncurses-5.2/ncurses/base/lib_bkgd.c')
| -rw-r--r-- | ncurses-5.2/ncurses/base/lib_bkgd.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/ncurses-5.2/ncurses/base/lib_bkgd.c b/ncurses-5.2/ncurses/base/lib_bkgd.c new file mode 100644 index 0000000..f5ee853 --- /dev/null +++ b/ncurses-5.2/ncurses/base/lib_bkgd.c @@ -0,0 +1,86 @@ +/**************************************************************************** + * Copyright (c) 1998 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * + * and: Eric S. Raymond <esr@snark.thyrsus.com> * + ****************************************************************************/ + +#include <curses.priv.h> + +MODULE_ID("$Id$") + +void wbkgdset(WINDOW *win, chtype ch) +{ + T((T_CALLED("wbkgdset(%p,%s)"), win, _tracechtype(ch))); + + if (win) { + chtype off = AttrOf(win->_bkgd); + chtype on = AttrOf(ch); + + toggle_attr_off(win->_attrs,off); + toggle_attr_on (win->_attrs,on); + + if (TextOf(ch)==0) + ch |= BLANK; + win->_bkgd = ch; + } + returnVoid; +} + +int wbkgd(WINDOW *win, const chtype ch) +{ + int code = ERR; + int x, y; + chtype new_bkgd = ch; + + T((T_CALLED("wbkgd(%p,%s)"), win, _tracechtype(new_bkgd))); + + if (win) { + chtype old_bkgd = getbkgd(win); + + wbkgdset(win, new_bkgd); + wattrset(win, AttrOf(win->_bkgd)); + + for (y = 0; y <= win->_maxy; y++) { + for (x = 0; x <= win->_maxx; x++) { + if (win->_line[y].text[x] == old_bkgd) + win->_line[y].text[x] = win->_bkgd; + else + win->_line[y].text[x] = + _nc_render(win,(A_ALTCHARSET & + AttrOf(win->_line[y].text[x])) + | TextOf(win->_line[y].text[x])); + } + } + touchwin(win); + _nc_synchook(win); + code = OK; + } + returnCode(code); +} |