/****************************************************************************
- * Copyright (c) 2007,2010 Free Software Foundation, Inc. *
+ * Copyright 2019-2020,2022 Thomas E. Dickey *
+ * Copyright 2007-2012,2017 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 *
* authorization. *
****************************************************************************/
/*
- * $Id: inchs.c,v 1.11 2010/11/13 23:41:23 tom Exp $
+ * $Id: inchs.c,v 1.19 2022/12/11 00:01:39 tom Exp $
*
* Author: Thomas E Dickey
*/
*/
#include <test.priv.h>
+#include <popup_msg.h>
#define BASE_Y 7
#define MAX_COLS 1024
+static void
+failed(const char *s)
+{
+ int save = errno;
+ endwin();
+ errno = save;
+ perror(s);
+ ExitProgram(EXIT_FAILURE);
+}
+
static bool
Quit(int ch)
{
static int
test_inchs(int level, char **argv, WINDOW *chrwin, WINDOW *strwin)
{
+ static const char *help[] =
+ {
+ "Test input from screen using inch(), etc., in a moveable viewport.",
+ "",
+ "Commands:",
+ " ESC/^Q - quit",
+ " h,j,k,l (and arrow-keys) - move viewport",
+ " w - recur to new window",
+ " for next input file",
+ 0
+ };
WINDOW *txtbox = 0;
WINDOW *txtwin = 0;
FILE *fp;
int ch, j;
int txt_x = 0, txt_y = 0;
int base_y;
- int limit;
chtype text[MAX_COLS];
if (argv[level] == 0) {
txtwin = stdscr;
base_y = BASE_Y;
}
+ if (txtwin == 0)
+ failed("cannot create txtwin");
keypad(txtwin, TRUE); /* enable keyboard mapping */
(void) cbreak(); /* take input chars one at a time, no wait for \n */
}
while (!Quit(j = mvwgetch(txtwin, txt_y, txt_x))) {
+ int limit;
+
switch (j) {
case KEY_DOWN:
case 'j':
wnoutrefresh(txtwin);
}
break;
+ case HELP_KEY_1:
+ popup_msg(txtwin, help);
+ break;
default:
beep();
break;
return TRUE;
}
+static void
+usage(int ok)
+{
+ static const char *msg[] =
+ {
+ "Usage: inchs [options] file1 [file2 [...]]"
+ ,""
+ ,USAGE_COMMON
+ };
+ size_t n;
+
+ for (n = 0; n < SIZEOF(msg); n++)
+ fprintf(stderr, "%s\n", msg[n]);
+
+ ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+/* *INDENT-OFF* */
+VERSION_COMMON()
+/* *INDENT-ON* */
+
int
main(int argc, char *argv[])
{
WINDOW *chrbox;
WINDOW *chrwin;
WINDOW *strwin;
+ int ch;
+
+ while ((ch = getopt(argc, argv, OPTS_COMMON)) != -1) {
+ switch (ch) {
+ case OPTS_VERSION:
+ show_version(argv);
+ ExitProgram(EXIT_SUCCESS);
+ default:
+ usage(ch == OPTS_USAGE);
+ /* NOTREACHED */
+ }
+ }
setlocale(LC_ALL, "");
- if (argc < 2) {
- fprintf(stderr, "usage: %s file\n", argv[0]);
- return EXIT_FAILURE;
- }
+ if (optind + 1 > argc)
+ usage(FALSE);
initscr();
chrwin = derwin(chrbox, 1, COLS - 2, 1, 1);
strwin = derwin(chrbox, 4, COLS - 2, 2, 1);
- test_inchs(1, argv, chrwin, strwin);
+ test_inchs(optind, argv, chrwin, strwin);
endwin();
ExitProgram(EXIT_SUCCESS);