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251 lines
11 KiB
C
251 lines
11 KiB
C
/****************************************************************************
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* Copyright (c) 1998 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> 1995,1997 *
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****************************************************************************/
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#ifndef ETI_MENU
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#define ETI_MENU
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#include <curses.h>
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#include <eti.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef int Menu_Options;
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typedef int Item_Options;
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/* Menu options: */
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#define O_ONEVALUE (0x01)
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#define O_SHOWDESC (0x02)
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#define O_ROWMAJOR (0x04)
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#define O_IGNORECASE (0x08)
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#define O_SHOWMATCH (0x10)
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#define O_NONCYCLIC (0x20)
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/* Item options: */
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#define O_SELECTABLE (0x01)
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typedef struct
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{
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const char* str;
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unsigned short length;
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} TEXT;
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typedef struct tagITEM
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{
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TEXT name; /* name of menu item */
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TEXT description; /* description of item, optional in display */
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struct tagMENU *imenu; /* Pointer to parent menu */
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void *userptr; /* Pointer to user defined per item data */
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Item_Options opt; /* Item options */
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short index; /* Item number if connected to a menu */
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short y; /* y and x location of item in menu */
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short x;
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bool value; /* Selection value */
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struct tagITEM *left; /* neighbour items */
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struct tagITEM *right;
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struct tagITEM *up;
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struct tagITEM *down;
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} ITEM;
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typedef void (*Menu_Hook)(struct tagMENU *);
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typedef struct tagMENU
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{
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short height; /* Nr. of chars high */
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short width; /* Nr. of chars wide */
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short rows; /* Nr. of items high */
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short cols; /* Nr. of items wide */
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short frows; /* Nr. of formatted items high */
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short fcols; /* Nr. of formatted items wide */
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short arows; /* Nr. of items high (actual) */
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short namelen; /* Max. name length */
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short desclen; /* Max. description length */
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short marklen; /* Length of mark, if any */
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short itemlen; /* Length of one item */
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short spc_desc; /* Spacing for descriptor */
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short spc_cols; /* Spacing for columns */
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short spc_rows; /* Spacing for rows */
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char *pattern; /* Buffer to store match chars */
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short pindex; /* Index into pattern buffer */
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WINDOW *win; /* Window containing menu */
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WINDOW *sub; /* Subwindow for menu display */
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WINDOW *userwin; /* User's window */
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WINDOW *usersub; /* User's subwindow */
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ITEM **items; /* array of items */
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short nitems; /* Nr. of items in menu */
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ITEM *curitem; /* Current item */
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short toprow; /* Top row of menu */
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chtype fore; /* Selection attribute */
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chtype back; /* Nonselection attribute */
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chtype grey; /* Inactive attribute */
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unsigned char pad; /* Pad character */
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Menu_Hook menuinit; /* User hooks */
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Menu_Hook menuterm;
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Menu_Hook iteminit;
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Menu_Hook itemterm;
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void *userptr; /* Pointer to menus user data */
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char *mark; /* Pointer to marker string */
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Menu_Options opt; /* Menu options */
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unsigned short status; /* Internal state of menu */
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} MENU;
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/* Define keys */
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#define REQ_LEFT_ITEM (KEY_MAX + 1)
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#define REQ_RIGHT_ITEM (KEY_MAX + 2)
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#define REQ_UP_ITEM (KEY_MAX + 3)
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#define REQ_DOWN_ITEM (KEY_MAX + 4)
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#define REQ_SCR_ULINE (KEY_MAX + 5)
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#define REQ_SCR_DLINE (KEY_MAX + 6)
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#define REQ_SCR_DPAGE (KEY_MAX + 7)
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#define REQ_SCR_UPAGE (KEY_MAX + 8)
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#define REQ_FIRST_ITEM (KEY_MAX + 9)
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#define REQ_LAST_ITEM (KEY_MAX + 10)
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#define REQ_NEXT_ITEM (KEY_MAX + 11)
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#define REQ_PREV_ITEM (KEY_MAX + 12)
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#define REQ_TOGGLE_ITEM (KEY_MAX + 13)
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#define REQ_CLEAR_PATTERN (KEY_MAX + 14)
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#define REQ_BACK_PATTERN (KEY_MAX + 15)
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#define REQ_NEXT_MATCH (KEY_MAX + 16)
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#define REQ_PREV_MATCH (KEY_MAX + 17)
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#define MIN_MENU_COMMAND (KEY_MAX + 1)
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#define MAX_MENU_COMMAND (KEY_MAX + 17)
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/*
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* Some AT&T code expects MAX_COMMAND to be out-of-band not
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* just for menu commands but for forms ones as well.
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*/
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#if defined(MAX_COMMAND)
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# if (MAX_MENU_COMMAND > MAX_COMMAND)
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# error Something is wrong -- MAX_MENU_COMMAND is greater than MAX_COMMAND
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# elif (MAX_COMMAND != (KEY_MAX + 128))
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# error Something is wrong -- MAX_COMMAND is already inconsistently defined.
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# endif
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#else
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# define MAX_COMMAND (KEY_MAX + 128)
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#endif
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/* --------- prototypes for libmenu functions ----------------------------- */
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extern ITEM **menu_items(const MENU *),
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*current_item(const MENU *),
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*new_item(const char *,const char *);
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extern MENU *new_menu(ITEM **);
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extern Item_Options item_opts(const ITEM *);
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extern Menu_Options menu_opts(const MENU *);
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Menu_Hook item_init(const MENU *),
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item_term(const MENU *),
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menu_init(const MENU *),
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menu_term(const MENU *);
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extern WINDOW *menu_sub(const MENU *),
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*menu_win(const MENU *);
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extern const char *item_description(const ITEM *),
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*item_name(const ITEM *),
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*menu_mark(const MENU *),
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*menu_request_name(int);
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extern char *menu_pattern(const MENU *);
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extern void *menu_userptr(const MENU *),
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*item_userptr(const ITEM *);
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extern chtype menu_back(const MENU *),
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menu_fore(const MENU *),
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menu_grey(const MENU *);
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extern int free_item(ITEM *),
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free_menu(MENU *),
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item_count(const MENU *),
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item_index(const ITEM *),
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item_opts_off(ITEM *,Item_Options),
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item_opts_on(ITEM *,Item_Options),
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menu_driver(MENU *,int),
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menu_opts_off(MENU *,Menu_Options),
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menu_opts_on(MENU *,Menu_Options),
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menu_pad(const MENU *),
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pos_menu_cursor(const MENU *),
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post_menu(MENU *),
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scale_menu(const MENU *,int *,int *),
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set_current_item(MENU *menu,ITEM *item),
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set_item_init(MENU *,void(*)(MENU *)),
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set_item_opts(ITEM *,Item_Options),
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set_item_term(MENU *,void(*)(MENU *)),
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set_item_userptr(ITEM *, void *),
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set_item_value(ITEM *,bool),
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set_menu_back(MENU *,chtype),
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set_menu_fore(MENU *,chtype),
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set_menu_format(MENU *,int,int),
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set_menu_grey(MENU *,chtype),
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set_menu_init(MENU *,void(*)(MENU *)),
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set_menu_items(MENU *,ITEM **),
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set_menu_mark(MENU *, const char *),
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set_menu_opts(MENU *,Menu_Options),
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set_menu_pad(MENU *,int),
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set_menu_pattern(MENU *,const char *),
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set_menu_sub(MENU *,WINDOW *),
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set_menu_term(MENU *,void(*)(MENU *)),
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set_menu_userptr(MENU *,void *),
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set_menu_win(MENU *,WINDOW *),
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set_top_row(MENU *,int),
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top_row(const MENU *),
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unpost_menu(MENU *),
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menu_request_by_name(const char *),
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set_menu_spacing(MENU *,int,int,int),
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menu_spacing(const MENU *,int *,int *,int *);
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extern bool item_value(const ITEM *),
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item_visible(const ITEM *);
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void menu_format(const MENU *,int *,int *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* ETI_MENU */
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