diff options
Diffstat (limited to 'contrib/syslinux-4.02/com32/menu/colors.c')
| -rw-r--r-- | contrib/syslinux-4.02/com32/menu/colors.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/menu/colors.c b/contrib/syslinux-4.02/com32/menu/colors.c new file mode 100644 index 0000000..68732bd --- /dev/null +++ b/contrib/syslinux-4.02/com32/menu/colors.c @@ -0,0 +1,184 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved + * + * 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, Inc., 51 Franklin St, Fifth Floor, + * Boston MA 02110-1301, USA; either version 2 of the License, or + * (at your option) any later version; incorporated herein by reference. + * + * ----------------------------------------------------------------------- */ + +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include <colortbl.h> +#include "menu.h" + +/* + * The color/attribute indexes (\1#X, \2#XX, \3#XXX) are as follows + * + * 00 - screen Rest of the screen + * 01 - border Border area + * 02 - title Title bar + * 03 - unsel Unselected menu item + * 04 - hotkey Unselected hotkey + * 05 - sel Selection bar + * 06 - hotsel Selected hotkey + * 07 - scrollbar Scroll bar + * 08 - tabmsg Press [Tab] message + * 09 - cmdmark Command line marker + * 10 - cmdline Command line + * 11 - pwdborder Password box border + * 12 - pwdheader Password box header + * 13 - pwdentry Password box contents + * 14 - timeout_msg Timeout message + * 15 - timeout Timeout counter + * 16 - help Current entry help text + * 17 - disabled Disabled menu item + */ + +static const struct color_table default_colors[] = { + {"screen", "37;40", 0x80ffffff, 0x00000000, SHADOW_NORMAL}, + {"border", "30;44", 0x40000000, 0x00000000, SHADOW_NORMAL}, + {"title", "1;36;44", 0xc00090f0, 0x00000000, SHADOW_NORMAL}, + {"unsel", "37;44", 0x90ffffff, 0x00000000, SHADOW_NORMAL}, + {"hotkey", "1;37;44", 0xffffffff, 0x00000000, SHADOW_NORMAL}, + {"sel", "7;37;40", 0xe0000000, 0x20ff8000, SHADOW_ALL}, + {"hotsel", "1;7;37;40", 0xe0400000, 0x20ff8000, SHADOW_ALL}, + {"scrollbar", "30;44", 0x40000000, 0x00000000, SHADOW_NORMAL}, + {"tabmsg", "31;40", 0x90ffff00, 0x00000000, SHADOW_NORMAL}, + {"cmdmark", "1;36;40", 0xc000ffff, 0x00000000, SHADOW_NORMAL}, + {"cmdline", "37;40", 0xc0ffffff, 0x00000000, SHADOW_NORMAL}, + {"pwdborder", "30;47", 0x80ffffff, 0x20ffffff, SHADOW_NORMAL}, + {"pwdheader", "31;47", 0x80ff8080, 0x20ffffff, SHADOW_NORMAL}, + {"pwdentry", "30;47", 0x80ffffff, 0x20ffffff, SHADOW_NORMAL}, + {"timeout_msg", "37;40", 0x80ffffff, 0x00000000, SHADOW_NORMAL}, + {"timeout", "1;37;40", 0xc0ffffff, 0x00000000, SHADOW_NORMAL}, + {"help", "37;40", 0xc0ffffff, 0x00000000, SHADOW_NORMAL}, + {"disabled", "1;30;44", 0x60cccccc, 0x00000000, SHADOW_NORMAL}, +}; + +#define NCOLORS (sizeof default_colors/sizeof default_colors[0]) +const int message_base_color = NCOLORS; +const int menu_color_table_size = NCOLORS + 256; + +/* Algorithmically generate the msgXX colors */ +void set_msg_colors_global(struct color_table *tbl, + unsigned int fg, unsigned int bg, + enum color_table_shadow shadow) +{ + struct color_table *cp = tbl + message_base_color; + unsigned int i; + unsigned int fga, bga; + unsigned int fgh, bgh; + unsigned int fg_idx, bg_idx; + unsigned int fg_rgb, bg_rgb; + + static const unsigned int pc2rgb[8] = + { 0x000000, 0x0000ff, 0x00ff00, 0x00ffff, 0xff0000, 0xff00ff, 0xffff00, + 0xffffff + }; + + /* Converting PC RGBI to sensible RGBA values is an "interesting" + proposition. This algorithm may need plenty of tweaking. */ + + fga = fg & 0xff000000; + fgh = ((fg >> 1) & 0xff000000) | 0x80000000; + + bga = bg & 0xff000000; + bgh = ((bg >> 1) & 0xff000000) | 0x80000000; + + for (i = 0; i < 256; i++) { + fg_idx = i & 15; + bg_idx = i >> 4; + + fg_rgb = pc2rgb[fg_idx & 7] & fg; + bg_rgb = pc2rgb[bg_idx & 7] & bg; + + if (fg_idx & 8) { + /* High intensity foreground */ + fg_rgb |= fgh; + } else { + fg_rgb |= fga; + } + + if (bg_idx == 0) { + /* Default black background, assume transparent */ + bg_rgb = 0; + } else if (bg_idx & 8) { + bg_rgb |= bgh; + } else { + bg_rgb |= bga; + } + + cp->argb_fg = fg_rgb; + cp->argb_bg = bg_rgb; + cp->shadow = shadow; + cp++; + } +} + +struct color_table *default_color_table(void) +{ + unsigned int i; + const struct color_table *dp; + struct color_table *cp; + struct color_table *color_table; + static const int pc2ansi[8] = { 0, 4, 2, 6, 1, 5, 3, 7 }; + static char msg_names[6 * 256]; + char *mp; + + color_table = calloc(NCOLORS + 256, sizeof(struct color_table)); + + dp = default_colors; + cp = color_table; + + for (i = 0; i < NCOLORS; i++) { + *cp = *dp; + cp->ansi = refstrdup(dp->ansi); + cp++; + dp++; + } + + mp = msg_names; + for (i = 0; i < 256; i++) { + cp->name = mp; + mp += sprintf(mp, "msg%02x", i) + 1; + + rsprintf(&cp->ansi, "%s3%d;4%d", (i & 8) ? "1;" : "", + pc2ansi[i & 7], pc2ansi[(i >> 4) & 7]); + cp++; + } + + /*** XXX: This needs to move to run_menu() ***/ + console_color_table = color_table; + console_color_table_size = NCOLORS + 256; + + set_msg_colors_global(color_table, MSG_COLORS_DEF_FG, + MSG_COLORS_DEF_BG, MSG_COLORS_DEF_SHADOW); + + return color_table; +} + +struct color_table *copy_color_table(const struct color_table *master) +{ + const struct color_table *dp; + struct color_table *color_table, *cp; + unsigned int i; + + color_table = calloc(NCOLORS + 256, sizeof(struct color_table)); + + dp = master; + cp = color_table; + + for (i = 0; i < NCOLORS + 256; i++) { + *cp = *dp; + cp->ansi = refstr_get(dp->ansi); + cp++; + dp++; + } + + return color_table; +} |