115 lines
5.4 KiB
C
115 lines
5.4 KiB
C
/****************************************************************************
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* Copyright (c) 1998,2000 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@gmx.net> 1995,1997 *
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****************************************************************************/
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/***************************************************************************
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* Module menu.priv.h *
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* Top level private header file for all libnmenu modules *
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***************************************************************************/
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#include "mf_common.h"
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#include "menu.h"
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/* Backspace code */
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#define BS (8)
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extern NCURSES_EXPORT_VAR(ITEM) _nc_Default_Item;
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extern NCURSES_EXPORT_VAR(MENU) _nc_Default_Menu;
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/* Normalize item to default if none was given */
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#define Normalize_Item( item ) ((item)=(item)?(item):&_nc_Default_Item)
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/* Normalize menu to default if none was given */
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#define Normalize_Menu( menu ) ((menu)=(menu)?(menu):&_nc_Default_Menu)
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/* Get the user defined (framing) window of the menu */
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#define Get_Menu_UserWin(menu) ((menu)->userwin ? (menu)->userwin : stdscr)
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/* Normalize menu window */
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#define Get_Menu_Window( menu ) \
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((menu)->usersub ? (menu)->usersub : Get_Menu_UserWin(menu))
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/* menu specific status flags */
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#define _LINK_NEEDED (0x04)
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#define _MARK_ALLOCATED (0x08)
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#define ALL_MENU_OPTS ( \
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O_ONEVALUE | \
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O_SHOWDESC | \
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O_ROWMAJOR | \
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O_IGNORECASE | \
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O_SHOWMATCH | \
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O_NONCYCLIC )
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#define ALL_ITEM_OPTS (O_SELECTABLE)
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/* Move to the window position of an item and draw it */
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#define Move_And_Post_Item(menu,item) \
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{wmove((menu)->win,(menu)->spc_rows*(item)->y,((menu)->itemlen+(menu)->spc_cols)*(item)->x);\
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_nc_Post_Item((menu),(item));}
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#define Move_To_Current_Item(menu,item) \
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if ( (item) != (menu)->curitem)\
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{\
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Move_And_Post_Item(menu,item);\
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Move_And_Post_Item(menu,(menu)->curitem);\
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}
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/* This macro ensures, that the item becomes visible, if possible with the
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specified row as the top row of the window. If this is not possible,
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the top row will be adjusted and the value is stored in the row argument.
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*/
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#define Adjust_Current_Item(menu,row,item) \
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{ if ((item)->y < row) \
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row = (item)->y;\
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if ( (item)->y >= (row + (menu)->arows) )\
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row = ( (item)->y < ((menu)->rows - row) ) ? \
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(item)->y : (menu)->rows - (menu)->arows;\
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_nc_New_TopRow_and_CurrentItem(menu,row,item); }
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/* Reset the match pattern buffer */
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#define Reset_Pattern(menu) \
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{ (menu)->pindex = 0; \
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(menu)->pattern[0] = '\0'; }
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/* Internal functions. */
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extern NCURSES_EXPORT(void) _nc_Draw_Menu (const MENU *);
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extern NCURSES_EXPORT(void) _nc_Show_Menu (const MENU *);
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extern NCURSES_EXPORT(void) _nc_Calculate_Item_Length_and_Width (MENU *);
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extern NCURSES_EXPORT(void) _nc_Post_Item (const MENU *, const ITEM *);
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extern NCURSES_EXPORT(bool) _nc_Connect_Items (MENU *, ITEM **);
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extern NCURSES_EXPORT(void) _nc_Disconnect_Items (MENU *);
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extern NCURSES_EXPORT(void) _nc_New_TopRow_and_CurrentItem (MENU *,int, ITEM *);
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extern NCURSES_EXPORT(void) _nc_Link_Items (MENU *);
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extern NCURSES_EXPORT(int) _nc_Match_Next_Character_In_Item_Name (MENU*,int,ITEM**);
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extern NCURSES_EXPORT(int) _nc_menu_cursor_pos (const MENU* menu, const ITEM* item,
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int* pY, int* pX);
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