/* * Copyright (C) 2013 Michael Brown . * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. */ FILE_LICENCE ( GPL2_OR_LATER ); /** @file * * Console management commands * */ #include #include #include #include #include #include #include #include #include #include /** "console" options */ struct console_options { /** Console configuration */ struct console_configuration config; /** Picture URI */ char *picture; /** Keep picture after configuration */ int keep; }; /** "console" option list */ static struct option_descriptor console_opts[] = { OPTION_DESC ( "x", 'x', required_argument, struct console_options, config.width, parse_integer ), OPTION_DESC ( "y", 'y', required_argument, struct console_options, config.height, parse_integer ), OPTION_DESC ( "left", 'l', required_argument, struct console_options, config.left, parse_integer ), OPTION_DESC ( "right", 'r', required_argument, struct console_options, config.right, parse_integer ), OPTION_DESC ( "top", 't', required_argument, struct console_options, config.top, parse_integer ), OPTION_DESC ( "bottom", 'b', required_argument, struct console_options, config.bottom, parse_integer ), OPTION_DESC ( "depth", 'd', required_argument, struct console_options, config.depth, parse_integer ), OPTION_DESC ( "picture", 'p', required_argument, struct console_options, picture, parse_string ), OPTION_DESC ( "keep", 'k', no_argument, struct console_options, keep, parse_flag ), }; /** "console" command descriptor */ static struct command_descriptor console_cmd = COMMAND_DESC ( struct console_options, console_opts, 0, 0, NULL ); /** * "console" command * * @v argc Argument count * @v argv Argument list * @ret rc Return status code */ static int console_exec ( int argc, char **argv ) { struct console_options opts; struct image *image = NULL; int rc; /* Parse options */ if ( ( rc = parse_options ( argc, argv, &console_cmd, &opts ) ) != 0 ) goto err_parse; /* Handle background picture, if applicable */ if ( opts.picture ) { /* Acquire image */ if ( ( rc = imgacquire ( opts.picture, 0, &image ) ) != 0 ) goto err_acquire; /* Convert to pixel buffer */ if ( ( rc = image_pixbuf ( image, &opts.config.pixbuf ) ) != 0){ printf ( "Could not use picture: %s\n", strerror ( rc ) ); goto err_pixbuf; } /* Apply image's width and height if none specified */ if ( ! opts.config.width ) opts.config.width = opts.config.pixbuf->width; if ( ! opts.config.height ) opts.config.height = opts.config.pixbuf->height; } /* Configure console */ if ( ( rc = console_configure ( &opts.config ) ) != 0 ) { printf ( "Could not configure console: %s\n", strerror ( rc ) ); goto err_configure; } /* Reapply default colour pair and clear screen */ ansicol_set_pair ( CPAIR_DEFAULT ); printf ( CSI "2J" CSI "H" ); err_configure: pixbuf_put ( opts.config.pixbuf ); err_pixbuf: /* Discard image unless --keep was specified */ if ( image && ( ! opts.keep ) ) unregister_image ( image ); err_acquire: err_parse: return rc; } /** "colour" options */ struct colour_options { /** Basic colour */ unsigned int basic; /** 24-bit RGB value */ unsigned int rgb; }; /** "colour" option list */ static struct option_descriptor colour_opts[] = { OPTION_DESC ( "basic", 'b', required_argument, struct colour_options, basic, parse_integer ), OPTION_DESC ( "rgb", 'r', required_argument, struct colour_options, rgb, parse_integer ), }; /** "colour" command descriptor */ static struct command_descriptor colour_cmd = COMMAND_DESC ( struct colour_options, colour_opts, 1, 1, "" ); /** * "colour" command * * @v argc Argument count * @v argv Argument list * @ret rc Return status code */ static int colour_exec ( int argc, char **argv ) { struct colour_options opts; unsigned int colour; int rc; /* Initialise options */ memset ( &opts, 0, sizeof ( opts ) ); opts.basic = COLOUR_DEFAULT; opts.rgb = ANSICOL_NO_RGB; /* Parse options */ if ( ( rc = reparse_options ( argc, argv, &colour_cmd, &opts ) ) != 0 ) return rc; /* Parse colour index */ if ( ( rc = parse_integer ( argv[optind], &colour ) ) != 0 ) return rc; /* Define colour */ if ( ( rc = ansicol_define ( colour, opts.basic, opts.rgb ) ) != 0 ) { printf ( "Could not define colour: %s\n", strerror ( rc ) ); return rc; } /* Reapply default colour pair, in case definition has changed */ ansicol_set_pair ( CPAIR_DEFAULT ); return 0; } /** "cpair" options */ struct cpair_options { /** Foreground colour */ unsigned int foreground; /** Background colour */ unsigned int background; }; /** "cpair" option list */ static struct option_descriptor cpair_opts[] = { OPTION_DESC ( "foreground", 'f', required_argument, struct cpair_options, foreground, parse_integer ), OPTION_DESC ( "background", 'b', required_argument, struct cpair_options, background, parse_integer ), }; /** "cpair" command descriptor */ static struct command_descriptor cpair_cmd = COMMAND_DESC ( struct cpair_options, cpair_opts, 1, 1, "" ); /** * "cpair" command * * @v argc Argument count * @v argv Argument list * @ret rc Return status code */ static int cpair_exec ( int argc, char **argv ) { struct cpair_options opts; unsigned int cpair; int rc; /* Initialise options */ memset ( &opts, 0, sizeof ( opts ) ); opts.foreground = COLOUR_DEFAULT; opts.background = COLOUR_DEFAULT; /* Parse options */ if ( ( rc = reparse_options ( argc, argv, &cpair_cmd, &opts ) ) != 0 ) return rc; /* Parse colour pair index */ if ( ( rc = parse_integer ( argv[optind], &cpair ) ) != 0 ) return rc; /* Define colour pair */ if ( ( rc = ansicol_define_pair ( cpair, opts.foreground, opts.background ) ) != 0 ) { printf ( "Could not define colour pair: %s\n", strerror ( rc ) ); return rc; } /* Reapply default colour pair, in case definition has changed */ ansicol_set_pair ( CPAIR_DEFAULT ); return 0; } /** Console management commands */ struct command console_commands[] __command = { { .name = "console", .exec = console_exec, }, { .name = "colour", .exec = colour_exec, }, { .name = "cpair", .exec = cpair_exec, }, };