/****************************************************************************
- * Copyright (c) 2003-2006,2011 Free Software Foundation, Inc. *
+ * Copyright 2018-2021,2022 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 *
* authorization. *
****************************************************************************/
/*
- * $Id: background.c,v 1.9 2011/04/23 21:16:38 tom Exp $
+ * $Id: background.c,v 1.24 2022/12/10 22:28:50 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;
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
-usage(void)
+usage(int ok)
{
static const char *msg[] =
{
"Usage: background [options]"
,""
+ ,USAGE_COMMON
,"Options:"
#if HAVE_ASSUME_DEFAULT_COLORS
," -a invoke assume_default_colors, repeat to use in init_pair"
," -d invoke use_default_colors, repeat to use in init_pair"
#endif
," -f XXX specify foreground color"
+ ," -l FILE log window-dumps to this file"
};
size_t n;
for (n = 0; n < SIZEOF(msg); n++)
fprintf(stderr, "%s\n", msg[n]);
- ExitProgram(EXIT_FAILURE);
+ ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
}
+/* *INDENT-OFF* */
+VERSION_COMMON()
+/* *INDENT-ON* */
int
-main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
+main(int argc, char *argv[])
{
#if HAVE_ASSUME_DEFAULT_COLORS
int a_option = 0;
#if HAVE_USE_DEFAULT_COLORS
int d_option = 0;
#endif
- int n;
+ int ch;
- while ((n = getopt(argc, argv, "ab:df:")) != -1) {
- switch (n) {
+ setlocale(LC_ALL, "");
+
+ while ((ch = getopt(argc, argv, OPTS_COMMON "ab:df:l:")) != -1) {
+ switch (ch) {
#if HAVE_ASSUME_DEFAULT_COLORS
case 'a':
++a_option;
case 'f':
default_fg = color_code(optarg);
break;
+ case 'l':
+ if (!open_dump(optarg))
+ usage(FALSE);
+ break;
+ case OPTS_VERSION:
+ show_version(argv);
+ ExitProgram(EXIT_SUCCESS);
default:
- usage();
+ usage(ch == OPTS_USAGE);
+ /* NOTREACHED */
}
}
#if HAVE_USE_DEFAULT_COLORS && HAVE_ASSUME_DEFAULT_COLORS
getch();
}
endwin();
-
+ close_dump();
ExitProgram(EXIT_SUCCESS);
}
projects / ncurses.git / blobdiff