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📄 MKkeyname.awk(6.48 KB)
📄 MKlib_gen.sh(13.34 KB)
📄 MKunctrl.awk(5.76 KB)
📄 README(2.52 KB)
📄 define_key.c(3.73 KB)
📄 key_defined.c(3.61 KB)
📄 keybound.c(3.17 KB)
📄 keyok.c(4.03 KB)
📄 legacy_coding.c(3.01 KB)
📄 lib_addch.c(15.66 KB)
📄 lib_addstr.c(7.21 KB)
📄 lib_beep.c(3.54 KB)
📄 lib_bkgd.c(6.98 KB)
📄 lib_box.c(5.24 KB)
📄 lib_chgat.c(3.42 KB)
📄 lib_clear.c(2.77 KB)
📄 lib_clearok.c(2.78 KB)
📄 lib_clrbot.c(3.28 KB)
📄 lib_clreol.c(3.5 KB)
📄 lib_color.c(28.66 KB)
📄 lib_colorset.c(3.12 KB)
📄 lib_delch.c(3.1 KB)
📄 lib_delwin.c(3.61 KB)
📄 lib_dft_fgbg.c(4.27 KB)
📄 lib_driver.c(4.88 KB)
📄 lib_echo.c(3.37 KB)
📄 lib_endwin.c(3.42 KB)
📄 lib_erase.c(3.64 KB)
📄 lib_flash.c(3.53 KB)
📄 lib_freeall.c(5.58 KB)
📄 lib_getch.c(18.86 KB)
📄 lib_getstr.c(6.7 KB)
📄 lib_hline.c(3.55 KB)
📄 lib_immedok.c(2.75 KB)
📄 lib_inchstr.c(3.16 KB)
📄 lib_initscr.c(4.18 KB)
📄 lib_insch.c(5.2 KB)
📄 lib_insdel.c(3 KB)
📄 lib_insnstr.c(3.85 KB)
📄 lib_instr.c(4.2 KB)
📄 lib_isendwin.c(3.01 KB)
📄 lib_leaveok.c(2.78 KB)
📄 lib_mouse.c(52.49 KB)
📄 lib_move.c(2.97 KB)
📄 lib_mvwin.c(4.87 KB)
📄 lib_newterm.c(10.81 KB)
📄 lib_newwin.c(10.96 KB)
📄 lib_nl.c(3.53 KB)
📄 lib_overlay.c(6.42 KB)
📄 lib_pad.c(10.73 KB)
📄 lib_printw.c(4.91 KB)
📄 lib_redrawln.c(3.52 KB)
📄 lib_refresh.c(9.38 KB)
📄 lib_restart.c(4.4 KB)
📄 lib_scanw.c(4.05 KB)
📄 lib_screen.c(24.15 KB)
📄 lib_scroll.c(5.8 KB)
📄 lib_scrollok.c(2.78 KB)
📄 lib_scrreg.c(2.96 KB)
📄 lib_set_term.c(21.57 KB)
📄 lib_slk.c(7.85 KB)
📄 lib_slkatr_set.c(3.58 KB)
📄 lib_slkatrof.c(3.28 KB)
📄 lib_slkatron.c(3.29 KB)
📄 lib_slkatrset.c(3.05 KB)
📄 lib_slkattr.c(3.09 KB)
📄 lib_slkclear.c(3.52 KB)
📄 lib_slkcolor.c(3.66 KB)
📄 lib_slkinit.c(3.63 KB)
📄 lib_slklab.c(3.17 KB)
📄 lib_slkrefr.c(5.66 KB)
📄 lib_slkset.c(5.02 KB)
📄 lib_slktouch.c(3.01 KB)
📄 lib_touch.c(3.77 KB)
📄 lib_ungetch.c(3.58 KB)
📄 lib_vline.c(3.57 KB)
📄 lib_wattroff.c(3.09 KB)
📄 lib_wattron.c(3.1 KB)
📄 lib_winch.c(2.78 KB)
📄 lib_window.c(7.83 KB)
📄 nc_panel.c(2.81 KB)
📄 new_pair.c(9.92 KB)
📄 resizeterm.c(14.29 KB)
📄 safe_sprintf.c(7.86 KB)
📄 sigaction.c(3.62 KB)
📄 tries.c(4.86 KB)
📄 use_window.c(2.79 KB)
📄 version.c(2.59 KB)
📄 vsscanf.c(8.54 KB)
📄 wresize.c(8.41 KB)

Editing: lib_getstr.c

/****************************************************************************
 * Copyright 2018,2020 Thomas E. Dickey                                     *
 * Copyright 1998-2011,2017 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>                         *
 ****************************************************************************/

/*
**	lib_getstr.c
**
**	The routine wgetstr().
**
*/

#include <curses.priv.h>

MODULE_ID("$Id: lib_getstr.c,v 1.34 2020/02/02 23:34:34 tom Exp $")

/*
 * This wipes out the last character, no matter whether it was a tab, control
 * or other character, and handles reverse wraparound.
 */
static char *
WipeOut(WINDOW *win, int y, int x, char *first, char *last, int echoed)
{
    if (last > first) {
	*--last = '\0';
	if (echoed) {
	    int y1 = win->_cury;
	    int x1 = win->_curx;

wmove(win, y, x);
	    waddstr(win, first);
	    getyx(win, y, x);
	    while (win->_cury < y1
		   || (win->_cury == y1 && win->_curx < x1))
		waddch(win, (chtype) ' ');

wmove(win, y, x);
	}
    }
    return last;
}

NCURSES_EXPORT(int)
wgetnstr_events(WINDOW *win,
		char *str,
		int maxlen,
		EVENTLIST_1st(_nc_eventlist * evl))
{
    SCREEN *sp = _nc_screen_of(win);
    TTY buf;
    bool oldnl, oldecho, oldraw, oldcbreak;
    char erasec;
    char killc;
    char *oldstr;
    int ch;
    int y, x;

T((T_CALLED("wgetnstr(%p,%p,%d)"), (void *) win, (void *) str, maxlen));

if (!win || !str)
	returnCode(ERR);

maxlen = _nc_getstr_limit(maxlen);

NCURSES_SP_NAME(_nc_get_tty_mode) (NCURSES_SP_ARGx &buf);

oldnl = sp->_nl;
    oldecho = sp->_echo;
    oldraw = sp->_raw;
    oldcbreak = sp->_cbreak;
    NCURSES_SP_NAME(nl) (NCURSES_SP_ARG);
    NCURSES_SP_NAME(noecho) (NCURSES_SP_ARG);
    NCURSES_SP_NAME(noraw) (NCURSES_SP_ARG);
    NCURSES_SP_NAME(cbreak) (NCURSES_SP_ARG);

erasec = NCURSES_SP_NAME(erasechar) (NCURSES_SP_ARG);
    killc = NCURSES_SP_NAME(killchar) (NCURSES_SP_ARG);

oldstr = str;
    getyx(win, y, x);

if (is_wintouched(win) || (win->_flags & _HASMOVED))
	wrefresh(win);

while ((ch = wgetch_events(win, evl)) != ERR) {
	/*
	 * Some terminals (the Wyse-50 is the most common) generate
	 * a \n from the down-arrow key.  With this logic, it's the
	 * user's choice whether to set kcud=\n for wgetch();
	 * terminating *getstr() with \n should work either way.
	 */
	if (ch == '\n'
	    || ch == '\r'
	    || ch == KEY_DOWN
	    || ch == KEY_ENTER) {
	    if (oldecho == TRUE
		&& win->_cury == win->_maxy
		&& win->_scroll)
		wechochar(win, (chtype) '\n');
	    break;
	}
#ifdef KEY_EVENT
	if (ch == KEY_EVENT)
	    break;
#endif
#ifdef KEY_RESIZE
	if (ch == KEY_RESIZE)
	    break;
#endif
	if (ch == erasec || ch == KEY_LEFT || ch == KEY_BACKSPACE) {
	    if (str > oldstr) {
		str = WipeOut(win, y, x, oldstr, str, oldecho);
	    }
	} else if (ch == killc) {
	    while (str > oldstr) {
		str = WipeOut(win, y, x, oldstr, str, oldecho);
	    }
	} else if (ch >= KEY_MIN
		   || (str - oldstr >= maxlen)) {
	    NCURSES_SP_NAME(beep) (NCURSES_SP_ARG);
	} else {
	    *str++ = (char) ch;
	    if (oldecho == TRUE) {
		int oldy = win->_cury;
		if (waddch(win, (chtype) ch) == ERR) {
		    /*
		     * We can't really use the lower-right
		     * corner for input, since it'll mess
		     * up bookkeeping for erases.
		     */
		    win->_flags &= ~_WRAPPED;
		    waddch(win, (chtype) ' ');
		    str = WipeOut(win, y, x, oldstr, str, oldecho);
		    continue;
		} else if (win->_flags & _WRAPPED) {
		    /*
		     * If the last waddch forced a wrap &
		     * scroll, adjust our reference point
		     * for erasures.
		     */
		    if (win->_scroll
			&& oldy == win->_maxy
			&& win->_cury == win->_maxy) {
			if (--y <= 0) {
			    y = 0;
			}
		    }
		    win->_flags &= ~_WRAPPED;
		}
		wrefresh(win);
	    }
	}
    }

win->_curx = 0;
    win->_flags &= ~_WRAPPED;
    if (win->_cury < win->_maxy)
	win->_cury++;
    wrefresh(win);

/* Restore with a single I/O call, to fix minor asymmetry between
     * raw/noraw, etc.
     */
    sp->_nl = oldnl;
    sp->_echo = oldecho;
    sp->_raw = oldraw;
    sp->_cbreak = oldcbreak;

NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);

*str = '\0';
    if (ch == ERR)
	returnCode(ch);

T(("wgetnstr returns %s", _nc_visbuf(oldstr)));

#ifdef KEY_EVENT
    if (ch == KEY_EVENT)
	returnCode(ch);
#endif
#ifdef KEY_RESIZE
    if (ch == KEY_RESIZE)
	returnCode(ch);
#endif

returnCode(OK);
}

#ifdef NCURSES_WGETCH_EVENTS
NCURSES_EXPORT(int)
wgetnstr(WINDOW *win, char *str, int maxlen)
{
    returnCode(wgetnstr_events(win,
			       str,
			       maxlen,
			       EVENTLIST_1st((_nc_eventlist *) 0)));
}
#endif

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Editing: lib_getstr.c

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