diff options
Diffstat (limited to 'contrib/syslinux-4.02/com32/menu/menu.h')
| -rw-r--r-- | contrib/syslinux-4.02/com32/menu/menu.h | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/menu/menu.h b/contrib/syslinux-4.02/com32/menu/menu.h new file mode 100644 index 0000000..36c5669 --- /dev/null +++ b/contrib/syslinux-4.02/com32/menu/menu.h @@ -0,0 +1,234 @@ +/* ----------------------------------------------------------------------- * + * + * 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. + * + * ----------------------------------------------------------------------- */ + +/* + * menu.h + * + * Header file for the simple menu system + */ + +#ifndef MENU_H +#define MENU_H + +#include <time.h> +#include <sys/time.h> +#include <sys/times.h> +#include <inttypes.h> +#include <unistd.h> +#include <colortbl.h> +#include <stdbool.h> +#include "refstr.h" + +/* #define DEBUG 1 */ +#include <dprintf.h> + +#ifndef CLK_TCK +# define CLK_TCK sysconf(_SC_CLK_TCK) +#endif + +struct menu; + +/* Note: the _UNRES variants must always be immediately after their + "normal" versions. */ +enum menu_action { + MA_NONE, /* Undefined value */ + MA_CMD, /* Execute a command */ + MA_DISABLED, /* Disabled menu entry */ + MA_SUBMENU, /* This is a submenu entry */ + MA_GOTO, /* Go to another menu */ + MA_GOTO_UNRES, /* Unresolved go to */ + MA_QUIT, /* Quit to CLI */ + MA_EXIT, /* Exit to higher-level menu */ + MA_EXIT_UNRES, /* Unresolved exit */ + MA_HELP, /* Show help text */ +}; + +struct menu_entry { + struct menu *menu; /* Parent menu */ + const char *displayname; + const char *label; + const char *passwd; + char *helptext; + const char *cmdline; + const char *background; + struct menu *submenu; + struct menu_entry *next; /* Linked list of all labels across menus */ + int entry; /* Entry number inside menu */ + enum menu_action action; + unsigned char hotkey; + bool immediate; /* Hotkey action does not require Enter */ + bool save; /* Save this entry if selected */ +}; + +static inline bool is_disabled(struct menu_entry *me) +{ + return me->action == MA_DISABLED; +} + +enum kernel_type { + /* Meta-types for internal use */ + KT_NONE, + KT_LOCALBOOT, + + /* The ones we can pass off to SYSLINUX, in order */ + KT_KERNEL, /* Undefined type */ + KT_LINUX, /* Linux kernel */ + KT_BOOT, /* Bootstrap program */ + KT_BSS, /* Boot sector with patch */ + KT_PXE, /* PXE NBP */ + KT_FDIMAGE, /* Floppy disk image */ + KT_COMBOOT, /* COMBOOT image */ + KT_COM32, /* COM32 image */ + KT_CONFIG, /* Configuration file */ +}; + +extern const char *const kernel_types[]; + +/* Configurable integer parameters */ +enum parameter_number { + P_WIDTH, + P_MARGIN, + P_PASSWD_MARGIN, + P_MENU_ROWS, + P_TABMSG_ROW, + P_CMDLINE_ROW, + P_END_ROW, + P_PASSWD_ROW, + P_TIMEOUT_ROW, + P_HELPMSG_ROW, + P_HELPMSGEND_ROW, + P_HSHIFT, + P_VSHIFT, + P_HIDDEN_ROW, + + NPARAMS +}; + +/* Configurable messages */ +enum message_number { + MSG_TITLE, + MSG_AUTOBOOT, + MSG_TAB, + MSG_NOTAB, + MSG_PASSPROMPT, + + MSG_COUNT +}; + +struct messages { + const char *name; /* Message configuration name */ + const char *defmsg; /* Default message text */ +}; + +struct menu_parameter { + const char *name; + int value; +}; + +extern const struct menu_parameter mparm[NPARAMS]; + +struct fkey_help { + const char *textname; + const char *background; +}; + +struct menu { + struct menu *next; /* Linked list of all menus */ + const char *label; /* Goto label for this menu */ + struct menu *parent; + struct menu_entry *parent_entry; /* Entry for self in parent */ + + struct menu_entry **menu_entries; + struct menu_entry *menu_hotkeys[256]; + + const char *messages[MSG_COUNT]; + int mparm[NPARAMS]; + + int nentries; + int nentries_space; + int defentry; + int timeout; + + bool allowedit; + bool immediate; /* MENU IMMEDIATE default for this menu */ + bool save; /* MENU SAVE default for this menu */ + + int curentry; + int curtop; + + const char *title; + const char *ontimeout; + const char *onerror; + const char *menu_master_passwd; + const char *menu_background; + + struct color_table *color_table; + + struct fkey_help fkeyhelp[12]; +}; + +extern struct menu *root_menu, *start_menu, *hide_menu, *menu_list; + +/* 2048 is the current definition inside syslinux */ +#define MAX_CMDLINE_LEN 2048 + +/* These are global parameters regardless of which menu we're displaying */ +extern int shiftkey; +extern int hiddenmenu; +extern int clearmenu; +extern long long totaltimeout; + +void parse_configs(char **argv); +int draw_background(const char *filename); +void set_resolution(int x, int y); +void start_console(void); +void local_cursor_enable(bool); + +static inline int my_isspace(char c) +{ + return (unsigned char)c <= ' '; +} + +int my_isxdigit(char c); +unsigned int hexval(char c); +unsigned int hexval2(const char *p); +uint32_t parse_argb(char **p); + +extern const int message_base_color, menu_color_table_size; +int mygetkey(clock_t timeout); +int show_message_file(const char *filename, const char *background); + +/* passwd.c */ +int passwd_compare(const char *passwd, const char *entry); + +/* colors.c */ +#define MSG_COLORS_DEF_FG 0x90ffffff +#define MSG_COLORS_DEF_BG 0x80ffffff +#define MSG_COLORS_DEF_SHADOW SHADOW_NORMAL +void set_msg_colors_global(struct color_table *tbl, + unsigned int fg, unsigned int bg, + enum color_table_shadow shadow); +struct color_table *default_color_table(void); +struct color_table *copy_color_table(const struct color_table *master); +extern const int message_base_color; + +/* background.c */ +extern const char *current_background; +void set_background(const char *new_background); + +/* execute.c */ +void execute(const char *cmdline, enum kernel_type type); + +/* drain.c */ +void drain_keyboard(void); + +#endif /* MENU_H */ |