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v4.2
menu/menu.h
250 строк
11 KB
Thomas E. Dickey
ncurses 4.2
01 мар 1998, 07:21
01 мар 1998, 07:21
661078d
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/**************************************************************************** * Copyright (c) 1998 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 * * "Software"), to deal in the Software without restriction, including * * without limitation the rights to use, copy, modify, merge, publish, * * distribute, distribute with modifications, sublicense, and/or sell * * copies of the Software, and to permit persons to whom the Software is * * furnished to do so, subject to the following conditions: * * * * The above copyright notice and this permission notice shall be included * * in all copies or substantial portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * * * Except as contained in this notice, the name(s) of the above copyright * * holders shall not be used in advertising or otherwise to promote the * * sale, use or other dealings in this Software without prior written * * authorization. * ****************************************************************************/ /**************************************************************************** * Author: Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> 1995,1997 * ****************************************************************************/ #ifndef ETI_MENU #define ETI_MENU #include <curses.h> #include <eti.h> #ifdef __cplusplus extern "C" { #endif typedef int Menu_Options; typedef int Item_Options; /* Menu options: */ #define O_ONEVALUE (0x01) #define O_SHOWDESC (0x02) #define O_ROWMAJOR (0x04) #define O_IGNORECASE (0x08) #define O_SHOWMATCH (0x10) #define O_NONCYCLIC (0x20) /* Item options: */ #define O_SELECTABLE (0x01) typedef struct { const char* str; unsigned short length; } TEXT; typedef struct tagITEM { TEXT name; /* name of menu item */ TEXT description; /* description of item, optional in display */ struct tagMENU *imenu; /* Pointer to parent menu */ void *userptr; /* Pointer to user defined per item data */ Item_Options opt; /* Item options */ short index; /* Item number if connected to a menu */ short y; /* y and x location of item in menu */ short x; bool value; /* Selection value */ struct tagITEM *left; /* neighbour items */ struct tagITEM *right; struct tagITEM *up; struct tagITEM *down; } ITEM; typedef void (*Menu_Hook)(struct tagMENU *); typedef struct tagMENU { short height; /* Nr. of chars high */ short width; /* Nr. of chars wide */ short rows; /* Nr. of items high */ short cols; /* Nr. of items wide */ short frows; /* Nr. of formatted items high */ short fcols; /* Nr. of formatted items wide */ short arows; /* Nr. of items high (actual) */ short namelen; /* Max. name length */ short desclen; /* Max. description length */ short marklen; /* Length of mark, if any */ short itemlen; /* Length of one item */ short spc_desc; /* Spacing for descriptor */ short spc_cols; /* Spacing for columns */ short spc_rows; /* Spacing for rows */ char *pattern; /* Buffer to store match chars */ short pindex; /* Index into pattern buffer */ WINDOW *win; /* Window containing menu */ WINDOW *sub; /* Subwindow for menu display */ WINDOW *userwin; /* User's window */ WINDOW *usersub; /* User's subwindow */ ITEM **items; /* array of items */ short nitems; /* Nr. of items in menu */ ITEM *curitem; /* Current item */ short toprow; /* Top row of menu */ chtype fore; /* Selection attribute */ chtype back; /* Nonselection attribute */ chtype grey; /* Inactive attribute */ unsigned char pad; /* Pad character */ Menu_Hook menuinit; /* User hooks */ Menu_Hook menuterm; Menu_Hook iteminit; Menu_Hook itemterm; void *userptr; /* Pointer to menus user data */ char *mark; /* Pointer to marker string */ Menu_Options opt; /* Menu options */ unsigned short status; /* Internal state of menu */ } MENU; /* Define keys */ #define REQ_LEFT_ITEM (KEY_MAX + 1) #define REQ_RIGHT_ITEM (KEY_MAX + 2) #define REQ_UP_ITEM (KEY_MAX + 3) #define REQ_DOWN_ITEM (KEY_MAX + 4) #define REQ_SCR_ULINE (KEY_MAX + 5) #define REQ_SCR_DLINE (KEY_MAX + 6) #define REQ_SCR_DPAGE (KEY_MAX + 7) #define REQ_SCR_UPAGE (KEY_MAX + 8) #define REQ_FIRST_ITEM (KEY_MAX + 9) #define REQ_LAST_ITEM (KEY_MAX + 10) #define REQ_NEXT_ITEM (KEY_MAX + 11) #define REQ_PREV_ITEM (KEY_MAX + 12) #define REQ_TOGGLE_ITEM (KEY_MAX + 13) #define REQ_CLEAR_PATTERN (KEY_MAX + 14) #define REQ_BACK_PATTERN (KEY_MAX + 15) #define REQ_NEXT_MATCH (KEY_MAX + 16) #define REQ_PREV_MATCH (KEY_MAX + 17) #define MIN_MENU_COMMAND (KEY_MAX + 1) #define MAX_MENU_COMMAND (KEY_MAX + 17) /* * Some AT&T code expects MAX_COMMAND to be out-of-band not * just for menu commands but for forms ones as well. */ #if defined(MAX_COMMAND) # if (MAX_MENU_COMMAND > MAX_COMMAND) # error Something is wrong -- MAX_MENU_COMMAND is greater than MAX_COMMAND # elif (MAX_COMMAND != (KEY_MAX + 128)) # error Something is wrong -- MAX_COMMAND is already inconsistently defined. # endif #else # define MAX_COMMAND (KEY_MAX + 128) #endif /* --------- prototypes for libmenu functions ----------------------------- */ extern ITEM **menu_items(const MENU *), *current_item(const MENU *), *new_item(const char *,const char *); extern MENU *new_menu(ITEM **); extern Item_Options item_opts(const ITEM *); extern Menu_Options menu_opts(const MENU *); Menu_Hook item_init(const MENU *), item_term(const MENU *), menu_init(const MENU *), menu_term(const MENU *); extern WINDOW *menu_sub(const MENU *), *menu_win(const MENU *); extern const char *item_description(const ITEM *), *item_name(const ITEM *), *menu_mark(const MENU *), *menu_request_name(int); extern char *menu_pattern(const MENU *); extern void *menu_userptr(const MENU *), *item_userptr(const ITEM *); extern chtype menu_back(const MENU *), menu_fore(const MENU *), menu_grey(const MENU *); extern int free_item(ITEM *), free_menu(MENU *), item_count(const MENU *), item_index(const ITEM *), item_opts_off(ITEM *,Item_Options), item_opts_on(ITEM *,Item_Options), menu_driver(MENU *,int), menu_opts_off(MENU *,Menu_Options), menu_opts_on(MENU *,Menu_Options), menu_pad(const MENU *), pos_menu_cursor(const MENU *), post_menu(MENU *), scale_menu(const MENU *,int *,int *), set_current_item(MENU *menu,ITEM *item), set_item_init(MENU *,void(*)(MENU *)), set_item_opts(ITEM *,Item_Options), set_item_term(MENU *,void(*)(MENU *)), set_item_userptr(ITEM *, void *), set_item_value(ITEM *,bool), set_menu_back(MENU *,chtype), set_menu_fore(MENU *,chtype), set_menu_format(MENU *,int,int), set_menu_grey(MENU *,chtype), set_menu_init(MENU *,void(*)(MENU *)), set_menu_items(MENU *,ITEM **), set_menu_mark(MENU *, const char *), set_menu_opts(MENU *,Menu_Options), set_menu_pad(MENU *,int), set_menu_pattern(MENU *,const char *), set_menu_sub(MENU *,WINDOW *), set_menu_term(MENU *,void(*)(MENU *)), set_menu_userptr(MENU *,void *), set_menu_win(MENU *,WINDOW *), set_top_row(MENU *,int), top_row(const MENU *), unpost_menu(MENU *), menu_request_by_name(const char *), set_menu_spacing(MENU *,int,int,int), menu_spacing(const MENU *,int *,int *,int *); extern bool item_value(const ITEM *), item_visible(const ITEM *); void menu_format(const MENU *,int *,int *); #ifdef __cplusplus } #endif #endif /* ETI_MENU */