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📁 ..
📄 Makefile.in(4.92 KB)
📄 README(35.89 KB)
📄 aclocal.m4(108.83 KB)
📄 background.c(6.84 KB)
📄 blue.c(12.4 KB)
📄 bs.6(3.91 KB)
📄 bs.c(29.95 KB)
📄 bulgarian-utf8.txt(340 B)
📄 cardfile.c(13.26 KB)
📄 cardfile.dat(394 B)
📄 chgat.c(9.03 KB)
📄 clip_printw.c(9.1 KB)
📄 color_name.h(3.32 KB)
📄 color_set.c(3.25 KB)
📄 configure(449.42 KB)
📄 configure.in(9.57 KB)
📄 demo_altkeys.c(4.77 KB)
📄 demo_defkey.c(7.4 KB)
📄 demo_forms.c(13.01 KB)
📄 demo_keyok.c(3.24 KB)
📄 demo_menus.c(18.74 KB)
📄 demo_panels.c(16.89 KB)
📄 demo_termcap.c(10.09 KB)
📄 demo_terminfo.c(10.05 KB)
📄 ditto.c(11.04 KB)
📄 dots.c(4.52 KB)
📄 dots_mvcur.c(4.66 KB)
📄 echochar.c(4.35 KB)
📄 edit_field.c(11.21 KB)
📄 edit_field.h(2.57 KB)
📄 filter.c(4.97 KB)
📄 firework.c(5.53 KB)
📄 firstlast.c(3.72 KB)
📄 foldkeys.c(7.44 KB)
📄 gdc.6(3.03 KB)
📄 gdc.c(8.74 KB)
📄 hanoi.c(8.58 KB)
📄 hashtest.c(6.58 KB)
📄 inch_wide.c(7.21 KB)
📄 inchs.c(7.15 KB)
📄 ins_wide.c(12.25 KB)
📄 insdelln.c(9.16 KB)
📄 inserts.c(10.62 KB)
📄 install-sh(6.96 KB)
📄 key_names.c(3.22 KB)
📄 keynames.c(3.07 KB)
📄 knight.c(18.54 KB)
📄 linedata.h(3.16 KB)
📄 linux-color.dat(2.56 KB)
📄 listused.sh(5.46 KB)
📄 lrtest.c(5.24 KB)
📄 make-tar.sh(4.8 KB)
📄 mk-test.awk(4.42 KB)
📄 modules(5.07 KB)
📄 movewindow.c(16.44 KB)
📄 ncurses.c(154.98 KB)
📄 ncurses_tst.hin(2.88 KB)
📄 newdemo.c(7.38 KB)
📁 package
📄 programs(5.28 KB)
📄 railroad.c(5.66 KB)
📄 rain.c(8.44 KB)
📄 redraw.c(4.66 KB)
📄 savescreen.c(7.49 KB)
📄 savescreen.sh(2.66 KB)
📄 tclock.c(5.26 KB)
📄 test.priv.h(19.55 KB)
📄 test_add_wchstr.c(14.08 KB)
📄 test_addchstr.c(12.14 KB)
📄 test_addstr.c(10.3 KB)
📄 test_addwstr.c(12.37 KB)
📄 test_arrays.c(3.83 KB)
📄 test_get_wstr.c(8.94 KB)
📄 test_getstr.c(8.88 KB)
📄 test_instr.c(6.49 KB)
📄 test_inwstr.c(6.69 KB)
📄 test_opaque.c(10.42 KB)
📄 test_vid_puts.c(3.97 KB)
📄 test_vidputs.c(3.92 KB)
📄 testaddch.c(3.46 KB)
📄 testcurs.c(16.69 KB)
📄 testscanw.c(2.88 KB)
📄 tracemunch(5.01 KB)
📄 view.c(13.84 KB)
📄 widechars-utf8.txt(389 B)
📄 widechars.h(3.19 KB)
📄 worm.c(14.01 KB)
📄 xmas.c(33.47 KB)
📄 xterm-16color.dat(2.99 KB)
📄 xterm-256color.dat(6.88 KB)
📄 xterm-88color.dat(4.11 KB)

Editing: filter.c

/****************************************************************************
 * Copyright (c) 1998-2011,2012 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:  Thomas E. Dickey <dickey@clark.net> 1998
 *
 * $Id: filter.c,v 1.15 2012/06/09 20:30:32 tom Exp $
 */
#include <test.priv.h>

#if HAVE_FILTER

/*
 * An example of the 'filter()' function in ncurses, this program prompts
 * for commands and executes them (like a command shell).  It illustrates
 * how ncurses can be used to implement programs that are not full-screen.
 *
 * Ncurses differs slightly from SVr4 curses.  The latter does not flush its
 * state when exiting program mode, so the attributes on the command lines of
 * this program 'bleed' onto the executed commands.  Rather than use the
 * reset_shell_mode() and reset_prog_mode() functions, we could invoke endwin()
 * and refresh(), but that does not work any better.
 */

static int
new_command(char *buffer, int length, attr_t underline)
{
    int code;

attron(A_BOLD);
    printw("Command: ");
    attron(underline);
    code = getnstr(buffer, length);
    /*
     * If this returns anything except ERR/OK, it would be one of ncurses's
     * extensions.  Fill the buffer with something harmless that the shell
     * will execute as a comment.
     */
#ifdef KEY_EVENT
    if (code == KEY_EVENT)
	strcpy(buffer, "# event!");
#endif
#ifdef KEY_RESIZE
    if (code == KEY_RESIZE) {
	strcpy(buffer, "# resize!");
	getch();
    }
#endif
    attroff(underline);
    attroff(A_BOLD);
    printw("\n");

return code;
}

static void
usage(void)
{
    static const char *msg[] =
    {
	"Usage: filter [options]"
	,""
	,"Options:"
	,"  -i   use initscr() rather than newterm()"
    };
    unsigned n;
    for (n = 0; n < SIZEOF(msg); n++)
	fprintf(stderr, "%s\n", msg[n]);
    ExitProgram(EXIT_FAILURE);
}

int
main(int argc, char *argv[])
{
    int ch;
    char buffer[80];
    attr_t underline;
    bool i_option = FALSE;

setlocale(LC_ALL, "");

while ((ch = getopt(argc, argv, "i")) != -1) {
	switch (ch) {
	case 'i':
	    i_option = TRUE;
	    break;
	default:
	    usage();
	}
    }

printf("starting filter program using %s...\n",
	   i_option ? "initscr" : "newterm");
    filter();
    if (i_option) {
	initscr();
    } else {
	(void) newterm((char *) 0, stdout, stdin);
    }
    cbreak();
    keypad(stdscr, TRUE);

if (has_colors()) {
	int background = COLOR_BLACK;
	start_color();
#if HAVE_USE_DEFAULT_COLORS
	if (use_default_colors() != ERR)
	    background = -1;
#endif
	init_pair(1, COLOR_CYAN, (short) background);
	underline = (attr_t) COLOR_PAIR(1);
    } else {
	underline = A_UNDERLINE;
    }

while (new_command(buffer, sizeof(buffer) - 1, underline) != ERR
	   && strlen(buffer) != 0) {
	reset_shell_mode();
	printf("\n");
	fflush(stdout);
	IGNORE_RC(system(buffer));
	reset_prog_mode();
	touchwin(stdscr);
	erase();
	refresh();
    }
    printw("done");
    refresh();
    endwin();
    ExitProgram(EXIT_SUCCESS);
}
#else
int
main(void)
{
    printf("This program requires the filter function\n");
    ExitProgram(EXIT_FAILURE);
}
#endif /* HAVE_FILTER */

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