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/* $OpenBSD: lib_bkgd.c,v 1.3 2010/01/12 23:22:05 nicm Exp $ */ |
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/**************************************************************************** |
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* Copyright (c) 1998-2006,2008 Free Software Foundation, Inc. * |
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* * |
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* Permission is hereby granted, free of charge, to any person obtaining a * |
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* copy of this software and associated documentation files (the * |
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* "Software"), to deal in the Software without restriction, including * |
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* without limitation the rights to use, copy, modify, merge, publish, * |
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* distribute, distribute with modifications, sublicense, and/or sell * |
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* copies of the Software, and to permit persons to whom the Software is * |
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* furnished to do so, subject to the following conditions: * |
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* * |
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* The above copyright notice and this permission notice shall be included * |
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* in all copies or substantial portions of the Software. * |
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* * |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
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* * |
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* Except as contained in this notice, the name(s) of the above copyright * |
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* holders shall not be used in advertising or otherwise to promote the * |
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* sale, use or other dealings in this Software without prior written * |
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* authorization. * |
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****************************************************************************/ |
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/**************************************************************************** |
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* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * |
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* and: Eric S. Raymond <esr@snark.thyrsus.com> * |
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* and: Juergen Pfeifer 1997 * |
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* and: Sven Verdoolaege 2000 * |
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* and: Thomas E. Dickey 1996-on * |
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****************************************************************************/ |
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#include <curses.priv.h> |
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MODULE_ID("$Id: lib_bkgd.c,v 1.3 2010/01/12 23:22:05 nicm Exp $") |
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/* |
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* Set the window's background information. |
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*/ |
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#if USE_WIDEC_SUPPORT |
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NCURSES_EXPORT(void) |
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#else |
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static NCURSES_INLINE void |
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#endif |
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wbkgrndset(WINDOW *win, const ARG_CH_T ch) |
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{ |
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T((T_CALLED("wbkgdset(%p,%s)"), win, _tracech_t(ch))); |
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if (win) { |
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attr_t off = AttrOf(win->_nc_bkgd); |
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attr_t on = AttrOf(CHDEREF(ch)); |
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toggle_attr_off(WINDOW_ATTRS(win), off); |
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toggle_attr_on(WINDOW_ATTRS(win), on); |
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#if NCURSES_EXT_COLORS |
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{ |
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int pair; |
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if ((pair = GetPair(win->_nc_bkgd)) != 0) |
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SET_WINDOW_PAIR(win, 0); |
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if ((pair = GetPair(CHDEREF(ch))) != 0) |
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SET_WINDOW_PAIR(win, pair); |
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} |
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#endif |
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if (CharOf(CHDEREF(ch)) == L('\0')) { |
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SetChar(win->_nc_bkgd, BLANK_TEXT, AttrOf(CHDEREF(ch))); |
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if_EXT_COLORS(SetPair(win->_nc_bkgd, GetPair(CHDEREF(ch)))); |
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} else { |
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win->_nc_bkgd = CHDEREF(ch); |
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} |
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#if USE_WIDEC_SUPPORT |
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/* |
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* If we're compiled for wide-character support, _bkgrnd is the |
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* preferred location for the background information since it stores |
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* more than _bkgd. Update _bkgd each time we modify _bkgrnd, so the |
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* macro getbkgd() will work. |
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*/ |
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{ |
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cchar_t wch; |
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int tmp; |
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wgetbkgrnd(win, &wch); |
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tmp = _nc_to_char((wint_t) CharOf(wch)); |
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win->_bkgd = (((tmp == EOF) ? ' ' : (chtype) tmp) |
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| (AttrOf(wch) & ALL_BUT_COLOR) |
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| COLOR_PAIR(GET_WINDOW_PAIR(win))); |
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} |
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#endif |
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} |
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returnVoid; |
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} |
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NCURSES_EXPORT(void) |
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wbkgdset(WINDOW *win, chtype ch) |
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{ |
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NCURSES_CH_T wch; |
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SetChar2(wch, ch); |
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wbkgrndset(win, CHREF(wch)); |
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} |
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/* |
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* Set the window's background information and apply it to each cell. |
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*/ |
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#if USE_WIDEC_SUPPORT |
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NCURSES_EXPORT(int) |
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#else |
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static NCURSES_INLINE int |
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#undef wbkgrnd |
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#endif |
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wbkgrnd(WINDOW *win, const ARG_CH_T ch) |
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{ |
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int code = ERR; |
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int x, y; |
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NCURSES_CH_T new_bkgd = CHDEREF(ch); |
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T((T_CALLED("wbkgd(%p,%s)"), win, _tracech_t(ch))); |
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if (win) { |
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NCURSES_CH_T old_bkgrnd; |
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wgetbkgrnd(win, &old_bkgrnd); |
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wbkgrndset(win, CHREF(new_bkgd)); |
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wattrset(win, AttrOf(win->_nc_bkgd)); |
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for (y = 0; y <= win->_maxy; y++) { |
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for (x = 0; x <= win->_maxx; x++) { |
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if (CharEq(win->_line[y].text[x], old_bkgrnd)) { |
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win->_line[y].text[x] = win->_nc_bkgd; |
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} else { |
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NCURSES_CH_T wch = win->_line[y].text[x]; |
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RemAttr(wch, (~(A_ALTCHARSET | A_CHARTEXT))); |
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win->_line[y].text[x] = _nc_render(win, wch); |
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} |
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} |
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} |
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touchwin(win); |
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_nc_synchook(win); |
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code = OK; |
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} |
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returnCode(code); |
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} |
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NCURSES_EXPORT(int) |
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wbkgd(WINDOW *win, chtype ch) |
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{ |
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NCURSES_CH_T wch; |
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SetChar2(wch, ch); |
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return wbkgrnd(win, CHREF(wch)); |
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} |