ncurses 6.5 - patch 20240504

[ncurses.git] / test / inchs.c

diff --git a/test/inchs.c b/test/inchs.c
index be3aab86f57829499c1b4d4156414023868dd040..b5922dd65a806db74feeca20b2535a543e5d4f4a 100644 (file)
--- a/test/inchs.c
+++ b/test/inchs.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 2007-2010,2012 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            *
@@ -26,7 +27,7 @@
  * authorization.                                                           *
  ****************************************************************************/
 /*
- * $Id: inchs.c,v 1.12 2012/11/18 01:58:15 tom Exp $
+ * $Id: inchs.c,v 1.19 2022/12/11 00:01:39 tom Exp $
  *
  * Author: Thomas E Dickey
  */
@@ -46,6 +47,7 @@
 */
 
 #include <test.priv.h>
+#include <popup_msg.h>
 
 #define BASE_Y 7
 #define MAX_COLS 1024
@@ -69,13 +71,23 @@ 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) {
@@ -120,6 +132,8 @@ test_inchs(int level, char **argv, WINDOW *chrwin, WINDOW *strwin)
     }
 
     while (!Quit(j = mvwgetch(txtwin, txt_y, txt_x))) {
+       int limit;
+
        switch (j) {
        case KEY_DOWN:
        case 'j':
@@ -159,6 +173,9 @@ test_inchs(int level, char **argv, WINDOW *chrwin, WINDOW *strwin)
                wnoutrefresh(txtwin);
            }
            break;
+       case HELP_KEY_1:
+           popup_msg(txtwin, help);
+           break;
        default:
            beep();
            break;
@@ -254,19 +271,49 @@ test_inchs(int level, char **argv, WINDOW *chrwin, WINDOW *strwin)
     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();
 
@@ -277,7 +324,7 @@ main(int argc, char *argv[])
     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);