diff options
Diffstat (limited to 'lib/libcurses/getch.c')
| -rw-r--r-- | lib/libcurses/getch.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/lib/libcurses/getch.c b/lib/libcurses/getch.c new file mode 100644 index 000000000000..d3e04d08f667 --- /dev/null +++ b/lib/libcurses/getch.c @@ -0,0 +1,74 @@ +/* + * Copyright (c) 1981 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)getch.c 5.6 (Berkeley) 6/1/90"; +#endif /* not lint */ + +# include "curses.ext" + +/* + * This routine reads in a character from the window. + * + */ +wgetch(win) +reg WINDOW *win; { + + reg bool weset = FALSE; + reg int inp; + + if (!win->_scroll && (win->_flags&_FULLWIN) + && win->_curx == win->_maxx - 1 && win->_cury == win->_maxy - 1) + return ERR; +# ifdef DEBUG + fprintf(outf, "WGETCH: _echoit = %c, _rawmode = %c\n", _echoit ? 'T' : 'F', _rawmode ? 'T' : 'F'); +# endif + if (_echoit && !_rawmode) { + cbreak(); + weset++; + } + inp = getchar(); + if (inp != EOF) { +# ifdef DEBUG + fprintf(outf,"WGETCH got '%s'\n",unctrl(inp)); +# endif + if (_echoit) { + mvwaddch(curscr, win->_cury + win->_begy, + win->_curx + win->_begx, (unsigned char) inp); + waddch(win, (unsigned char) inp); + } + } + if (weset) + nocbreak(); + return inp; +} |