diff options
Diffstat (limited to 'test/background.c')
| -rw-r--r-- | test/background.c | 228 |
1 files changed, 184 insertions, 44 deletions
diff --git a/test/background.c b/test/background.c index afbe5f5..291851b 100644 --- a/test/background.c +++ b/test/background.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 2003,2006 Free Software Foundation, Inc. * + * Copyright (c) 2003-2012,2014 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 * @@ -26,64 +26,204 @@ * authorization. * ****************************************************************************/ /* - * $Id: background.c,v 1.3 2006/06/03 16:43:08 tom Exp $ + * $Id: background.c,v 1.15 2014/08/09 22:31:23 tom Exp $ */ -#include <test.priv.h> +#define NEED_COLOR_CODE 1 +#define NEED_COLOR_NAME 1 +#include <color_name.h> -int -main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) +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; - initscr(); - cbreak(); - noecho(); + 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); + } + getch(); - if (has_colors()) { - start_color(); + printw("Initializing pair 1 to red/%s\n", color_name(default_bg)); + init_pair(1, COLOR_RED, (NCURSES_COLOR_T) default_bg); + bkgdset((chtype) (' ' | COLOR_PAIR(1))); + printw("RED/BLACK\n"); + getch(); - pair_content(0, &f, &b); - printw("pair 0 contains (%d,%d)\n", f, b); - getch(); + printw("Initializing pair 2 to %s/blue\n", color_name(default_fg)); + 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(); - printw("Initializing pair 1 to red/black\n"); - init_pair(1, COLOR_RED, COLOR_BLACK); - bkgdset(' ' | COLOR_PAIR(1)); - printw("RED/BLACK\n"); - getch(); + 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 | (attr_t) 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((chtype) ((chr == 127) ? ' ' : chr)); + if ((++chr % 32) == 0) + printw("x\n"); + } + mvprintw(row++, 10, "m"); + for (chr = 0; chr < 32; ++chr) + addch(' '); + printw("j\n"); + getch(); - printw("Initializing pair 2 to white/blue\n"); - init_pair(2, COLOR_WHITE, COLOR_BLUE); - bkgdset(' ' | COLOR_PAIR(2)); - printw("WHITE/BLUE\n"); - getch(); + bkgdset((chtype) (' ' | COLOR_PAIR(0))); + printw("Default Colors\n"); + getch(); - printw("Resetting colors to pair 0\n"); - bkgdset(' ' | COLOR_PAIR(0)); - printw("Default Colors\n"); - getch(); + printw("Resetting colors to pair 1\n"); + bkgdset((chtype) (' ' | COLOR_PAIR(1))); + printw("This line should be red/%s\n", color_name(default_bg)); + getch(); - printw("Resetting colors to pair 1\n"); - bkgdset(' ' | COLOR_PAIR(1)); - printw("RED/BLACK\n"); - getch(); + printw("Setting screen to pair 0\n"); + bkgd((chtype) (' ' | COLOR_PAIR(0))); + getch(); - printw("Setting screen to pair 0\n"); - bkgd(' ' | COLOR_PAIR(0)); - getch(); + printw("Setting screen to pair 1\n"); + bkgd((chtype) (' ' | COLOR_PAIR(1))); + getch(); - printw("Setting screen to pair 1\n"); - bkgd(' ' | COLOR_PAIR(1)); - getch(); + printw("Setting screen to pair 2\n"); + bkgd((chtype) (' ' | COLOR_PAIR(2))); + getch(); - printw("Setting screen to pair 2\n"); - bkgd(' ' | COLOR_PAIR(2)); - getch(); + printw("Setting screen to pair 3\n"); + bkgd((chtype) (' ' | COLOR_PAIR(3))); + getch(); - printw("Setting screen to pair 0\n"); - bkgd(' ' | COLOR_PAIR(0)); - getch(); + printw("Setting screen to pair 0\n"); + bkgd((chtype) (' ' | COLOR_PAIR(0))); + getch(); +} + +static void +usage(void) +{ + static const char *msg[] = + { + "Usage: background [options]" + ,"" + ,"Options:" +#if HAVE_ASSUME_DEFAULT_COLORS + ," -a invoke assume_default_colors, repeat to use in init_pair" +#endif + ," -b XXX specify background color" +#if HAVE_USE_DEFAULT_COLORS + ," -d invoke use_default_colors, repeat to use in init_pair" +#endif + ," -f XXX specify foreground color" + }; + size_t n; + + for (n = 0; n < SIZEOF(msg); n++) + fprintf(stderr, "%s\n", msg[n]); + + ExitProgram(EXIT_FAILURE); +} + +int +main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) +{ +#if HAVE_ASSUME_DEFAULT_COLORS + int a_option = 0; +#endif +#if HAVE_USE_DEFAULT_COLORS + int d_option = 0; +#endif + int n; + + setlocale(LC_ALL, ""); + + while ((n = getopt(argc, argv, "ab:df:")) != -1) { + switch (n) { +#if HAVE_ASSUME_DEFAULT_COLORS + case 'a': + ++a_option; + break; +#endif + case 'b': + default_bg = color_code(optarg); + break; +#if HAVE_USE_DEFAULT_COLORS + case 'd': + ++d_option; + break; +#endif + case 'f': + default_fg = color_code(optarg); + break; + default: + usage(); + } + } +#if HAVE_USE_DEFAULT_COLORS && HAVE_ASSUME_DEFAULT_COLORS + if (a_option && d_option) { + fprintf(stderr, "Use either -a or -d option, but not both\n"); + ExitProgram(EXIT_FAILURE); + } +#endif + + initscr(); + cbreak(); + noecho(); + + if (has_colors()) { + start_color(); + +#if HAVE_USE_DEFAULT_COLORS + if (d_option) { + printw("Using default colors...\n"); + use_default_colors(); + if (d_option > 1) { + default_fg = -1; + default_bg = -1; + } + } +#endif +#if HAVE_ASSUME_DEFAULT_COLORS + if (a_option) { + printw("Using assumed colors %s/%s...\n", + color_name(default_fg), + color_name(default_bg)); + assume_default_colors(default_fg, default_bg); + if (a_option > 1) { + default_fg = -1; + default_bg = -1; + } + } +#endif + + test_background(); } else { printw("This demo requires a color terminal"); |