X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=test%2Fbackground.c;h=391ab1a7d3298c7d7c15de6a6cdf9dc7c3bd932b;hp=24b63785a73d9805d721ebba8b0f5941bab121d7;hb=3e91848cbe3dad23fdb60962fa9b678592591c34;hpb=950eed9ace2ceff30b88c20de1ef8a0ba05ac567;ds=sidebyside

diff --git a/test/background.c b/test/background.c
index 24b63785..391ab1a7 100644
--- a/test/background.c
+++ b/test/background.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 2003-2006,2011 Free Software Foundation, Inc.              *
+ * Copyright 2018,2020 Thomas E. Dickey                                     *
+ * Copyright 2003-2014,2017 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            *
@@ -26,12 +27,13 @@
  * authorization.                                                           *
  ****************************************************************************/
 /*
- * $Id: background.c,v 1.9 2011/04/23 21:16:38 tom Exp $
+ * $Id: background.c,v 1.19 2020/02/02 23:34:34 tom Exp $
  */
 
 #define NEED_COLOR_CODE 1
 #define NEED_COLOR_NAME 1
 #include <color_name.h>
+#include <dump_window.h>
 
 static int default_bg = COLOR_BLACK;
 static int default_fg = COLOR_WHITE;
@@ -39,49 +41,91 @@ static int default_fg = COLOR_WHITE;
 static void
 test_background(void)
 {
-    short f, b;
+    NCURSES_COLOR_T f, b;
+    int row;
+    int chr;
 
-    pair_content(0, &f, &b);
-    printw("pair 0 contains (%d,%d)\n", f, b);
-    getch();
+    if (pair_content(0, &f, &b) == ERR) {
+	printw("pair 0 contains no data\n");
+    } else {
+	printw("pair 0 contains (%d,%d)\n", (int) f, (int) b);
+    }
+    dump_window(stdscr);
 
     printw("Initializing pair 1 to red/%s\n", color_name(default_bg));
-    init_pair(1, COLOR_RED, (short) default_bg);
-    bkgdset(' ' | COLOR_PAIR(1));
+    init_pair(1, COLOR_RED, (NCURSES_COLOR_T) default_bg);
+    bkgdset((chtype) (' ' | COLOR_PAIR(1)));
     printw("RED/BLACK\n");
-    getch();
+    dump_window(stdscr);
 
     printw("Initializing pair 2 to %s/blue\n", color_name(default_fg));
-    init_pair(2, (short) default_fg, COLOR_BLUE);
-    bkgdset(' ' | COLOR_PAIR(2));
+    init_pair(2, (NCURSES_COLOR_T) default_fg, COLOR_BLUE);
+    bkgdset((chtype) (' ' | COLOR_PAIR(2)));
     printw("This line should be %s/blue\n", color_name(default_fg));
-    getch();
+    dump_window(stdscr);
+
+    printw("Initializing pair 3 to %s/cyan (ACS_HLINE)\n", color_name(default_fg));
+    init_pair(3, (NCURSES_COLOR_T) default_fg, COLOR_CYAN);
+    printw("...and drawing a box which should be followed by lines\n");
+    bkgdset(ACS_HLINE | (chtype) COLOR_PAIR(3));
+    /*
+     * Characters from vt100 line-drawing should be mapped to line-drawing,
+     * since A_ALTCHARSET is set in the background, and the character part
+     * of the background is replaced by the nonblank characters written.
+     *
+     * Characters not in the line-drawing range are usually sent as-is.
+     *
+     * With SVr4 curses it is possible to rely on this to mix uppercase text
+     * with the (lowercase) line-drawing characters.  ncurses uses some of
+     * the uppercase characters for encoding thick- and double-lines.
+     */
+    row = 7;
+    mvprintw(row++, 10, "l");
+    for (chr = 0; chr < 32; ++chr)
+	AddCh(' ');
+    printw("x\n");
+    chr = 32;
+    while (chr < 128) {
+	if ((chr % 32) == 0)
+	    mvprintw(row++, 10, "x");
+	AddCh((chr == 127) ? ' ' : chr);
+	if ((++chr % 32) == 0)
+	    printw("x\n");
+    }
+    mvprintw(row++, 10, "m");
+    for (chr = 0; chr < 32; ++chr)
+	AddCh(' ');
+    printw("j\n");
+    dump_window(stdscr);
 
-    printw("Resetting colors to pair 0\n");
-    bkgdset(' ' | COLOR_PAIR(0));
+    bkgdset((chtype) (' ' | COLOR_PAIR(0)));
     printw("Default Colors\n");
-    getch();
+    dump_window(stdscr);
 
     printw("Resetting colors to pair 1\n");
-    bkgdset(' ' | COLOR_PAIR(1));
+    bkgdset((chtype) (' ' | COLOR_PAIR(1)));
     printw("This line should be red/%s\n", color_name(default_bg));
-    getch();
+    dump_window(stdscr);
 
     printw("Setting screen to pair 0\n");
-    bkgd(' ' | COLOR_PAIR(0));
-    getch();
+    bkgd((chtype) (' ' | COLOR_PAIR(0)));
+    dump_window(stdscr);
 
     printw("Setting screen to pair 1\n");
-    bkgd(' ' | COLOR_PAIR(1));
-    getch();
+    bkgd((chtype) (' ' | COLOR_PAIR(1)));
+    dump_window(stdscr);
 
     printw("Setting screen to pair 2\n");
-    bkgd(' ' | COLOR_PAIR(2));
-    getch();
+    bkgd((chtype) (' ' | COLOR_PAIR(2)));
+    dump_window(stdscr);
+
+    printw("Setting screen to pair 3\n");
+    bkgd((chtype) (' ' | COLOR_PAIR(3)));
+    dump_window(stdscr);
 
     printw("Setting screen to pair 0\n");
-    bkgd(' ' | COLOR_PAIR(0));
-    getch();
+    bkgd((chtype) (' ' | COLOR_PAIR(0)));
+    dump_window(stdscr);
 }
 
 static void
@@ -120,7 +164,9 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 #endif
     int n;
 
-    while ((n = getopt(argc, argv, "ab:df:")) != -1) {
+    setlocale(LC_ALL, "");
+
+    while ((n = getopt(argc, argv, "ab:df:l:")) != -1) {
 	switch (n) {
 #if HAVE_ASSUME_DEFAULT_COLORS
 	case 'a':
@@ -138,6 +184,10 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 	case 'f':
 	    default_fg = color_code(optarg);
 	    break;
+	case 'l':
+	    if (!open_dump(optarg))
+		usage();
+	    break;
 	default:
 	    usage();
 	}
@@ -186,6 +236,6 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 	getch();
     }
     endwin();
-
+    close_dump();
     ExitProgram(EXIT_SUCCESS);
 }