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https://github.com/Aigor44/ncursesw-morphos.git
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317 lines
7.0 KiB
C
317 lines
7.0 KiB
C
/****************************************************************************
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* Copyright (c) 2007 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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* $Id: savescreen.c,v 1.10 2007/07/21 17:57:37 tom Exp $
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*
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* Demonstrate save/restore functions from the curses library.
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* Thomas Dickey - 2007/7/14
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*/
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#include <test.priv.h>
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#if TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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#else
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# if HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# include <time.h>
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# endif
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#endif
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static bool use_init = FALSE;
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static void
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setup_next(void)
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{
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curs_set(1);
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reset_shell_mode();
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}
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static void
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cleanup(char *files[])
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{
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int n;
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for (n = 0; files[n] != 0; ++n) {
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unlink(files[n]);
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}
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}
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static int
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load_screen(char *filename)
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{
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int result;
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if (use_init) {
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if ((result = scr_init(filename)) != ERR)
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result = scr_restore(filename);
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} else {
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result = scr_set(filename);
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}
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return result;
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}
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/*
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* scr_restore() or scr_set() operates on curscr. If we read a character using
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* getch() that will refresh stdscr, wiping out the result. To avoid that,
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* copy the data back from curscr to stdscr.
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*/
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static void
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after_load(void)
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{
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overwrite(curscr, stdscr);
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doupdate();
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}
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static void
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show_what(int which, int last)
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{
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int y, x;
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time_t now = time((time_t *) 0);
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getyx(stdscr, y, x);
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move(0, 0);
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printw("Saved %d of %d - %s", which, last + 1, ctime(&now));
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move(y, x);
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refresh();
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}
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static int
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get_command(int which, int last)
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{
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int ch;
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timeout(100);
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do {
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show_what(which, last);
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ch = getch();
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} while (ch == ERR);
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return ch;
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}
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static void
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usage(void)
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{
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static const char *msg[] =
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{
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"Usage: savescreen [-r] files",
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"",
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"Options:",
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" -i use scr_init/scr_restore rather than scr_set",
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" -r replay the screen-dump files"
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};
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unsigned n;
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for (n = 0; n < SIZEOF(msg); ++n) {
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fprintf(stderr, "%s\n", msg[n]);
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}
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ExitProgram(EXIT_FAILURE);
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}
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int
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main(int argc, char *argv[])
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{
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int ch;
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int which = 0;
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int last;
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bool replaying = FALSE;
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bool done = FALSE;
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char **files;
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while ((ch = getopt(argc, argv, "ir")) != -1) {
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switch (ch) {
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case 'i':
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use_init = TRUE;
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break;
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case 'r':
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replaying = TRUE;
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break;
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default:
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usage();
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break;
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}
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}
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initscr();
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cbreak();
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noecho();
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keypad(stdscr, TRUE);
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curs_set(0);
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if (has_colors()) {
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start_color();
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for (ch = 0; ch < COLOR_PAIRS; ++ch) {
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short pair = ch % COLOR_PAIRS;
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init_pair(pair, COLOR_WHITE, ch % COLORS);
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}
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}
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files = argv + optind;
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last = argc - optind - 1;
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if (replaying) {
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/*
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* Use the last file as the initial/current screen.
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*/
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if (last < 0) {
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endwin();
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printf("No screen-dumps given\n");
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ExitProgram(EXIT_FAILURE);
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}
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which = last;
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if (load_screen(files[which]) == ERR) {
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endwin();
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printf("Cannot load screen-dump %s\n", files[which]);
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ExitProgram(EXIT_FAILURE);
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}
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after_load();
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while (!done && (ch = getch()) != ERR) {
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switch (ch) {
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case 'n':
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/*
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* If we got a "next" here, skip to the final screen before
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* moving to the next process.
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*/
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setup_next();
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which = last;
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done = TRUE;
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break;
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case 'q':
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endwin();
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cleanup(files);
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done = TRUE;
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break;
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case KEY_BACKSPACE:
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case '\b':
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if (--which < 0)
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which = last;
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break;
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case ' ':
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if (++which > last)
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which = 0;
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break;
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default:
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beep();
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continue;
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}
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if (ch == 'q') {
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;
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} else if (scr_restore(files[which]) == ERR) {
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endwin();
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printf("Cannot load screen-dump %s\n", files[which]);
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cleanup(files);
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ExitProgram(EXIT_FAILURE);
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} else {
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wrefresh(curscr);
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}
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}
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} else {
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int y;
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int x;
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move(2, 0);
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printw("Use h,j,k,l or arrows to move around the screen\n");
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printw("Press 'q' to quit, ' ' to dump a screen\n");
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printw("When the last screen has been dumped, press 'n' to run the\n");
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printw("screen-loader. That allows only 'q', backspace and ' ' for\n");
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printw("stepping through the dumped/restored screens.\n");
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getyx(stdscr, y, x);
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while (!done) {
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switch (ch = get_command(which, last)) {
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case 'n':
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setup_next();
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done = TRUE;
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break;
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case 'q':
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endwin();
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cleanup(files);
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done = TRUE;
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break;
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case ' ':
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if (files[which] != 0) {
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show_what(which + 1, last);
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if (scr_dump(files[which]) == ERR) {
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endwin();
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printf("Cannot write screen-dump %s\n", files[which]);
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cleanup(files);
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done = TRUE;
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break;
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}
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++which;
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if (has_colors()) {
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short pair = which % COLOR_PAIRS;
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bkgd(COLOR_PAIR(pair));
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}
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} else {
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beep();
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}
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break;
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case KEY_LEFT:
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case 'h':
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if (--x < 0)
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x = COLS - 1;
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break;
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case KEY_DOWN:
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case 'j':
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if (++y >= LINES)
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y = 1;
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break;
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case KEY_UP:
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case 'k':
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if (--y < 1)
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y = LINES - 1;
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break;
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case KEY_RIGHT:
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case 'l':
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if (++x >= COLS)
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x = 0;
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break;
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}
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if (!done) {
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time_t now = time((time_t *) 0);
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move(0, 0);
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addstr(ctime(&now));
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move(y, x);
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addch('#' | A_REVERSE);
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move(y, x);
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}
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}
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}
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ExitProgram(EXIT_SUCCESS);
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}
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