1 /****************************************************************************
2 * Copyright (c) 1998,2000 Free Software Foundation, Inc. *
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5 * copy of this software and associated documentation files (the *
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9 * copies of the Software, and to permit persons to whom the Software is *
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27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 *
31 ****************************************************************************/
33 /***************************************************************************
34 * Module menu.priv.h *
35 * Top level private header file for all libnmenu modules *
36 ***************************************************************************/
38 #include "mf_common.h"
44 extern NCURSES_EXPORT_VAR(ITEM) _nc_Default_Item;
45 extern NCURSES_EXPORT_VAR(MENU) _nc_Default_Menu;
47 /* Normalize item to default if none was given */
48 #define Normalize_Item( item ) ((item)=(item)?(item):&_nc_Default_Item)
50 /* Normalize menu to default if none was given */
51 #define Normalize_Menu( menu ) ((menu)=(menu)?(menu):&_nc_Default_Menu)
53 /* Get the user defined (framing) window of the menu */
54 #define Get_Menu_UserWin(menu) ((menu)->userwin ? (menu)->userwin : stdscr)
56 /* Normalize menu window */
57 #define Get_Menu_Window( menu ) \
58 ((menu)->usersub ? (menu)->usersub : Get_Menu_UserWin(menu))
60 /* menu specific status flags */
61 #define _LINK_NEEDED (0x04)
62 #define _MARK_ALLOCATED (0x08)
64 #define ALL_MENU_OPTS ( \
72 #define ALL_ITEM_OPTS (O_SELECTABLE)
74 /* Move to the window position of an item and draw it */
75 #define Move_And_Post_Item(menu,item) \
76 {wmove((menu)->win,(menu)->spc_rows*(item)->y,((menu)->itemlen+(menu)->spc_cols)*(item)->x);\
77 _nc_Post_Item((menu),(item));}
79 #define Move_To_Current_Item(menu,item) \
80 if ( (item) != (menu)->curitem)\
82 Move_And_Post_Item(menu,item);\
83 Move_And_Post_Item(menu,(menu)->curitem);\
86 /* This macro ensures, that the item becomes visible, if possible with the
87 specified row as the top row of the window. If this is not possible,
88 the top row will be adjusted and the value is stored in the row argument.
90 #define Adjust_Current_Item(menu,row,item) \
91 { if ((item)->y < row) \
93 if ( (item)->y >= (row + (menu)->arows) )\
94 row = ( (item)->y < ((menu)->rows - row) ) ? \
95 (item)->y : (menu)->rows - (menu)->arows;\
96 _nc_New_TopRow_and_CurrentItem(menu,row,item); }
98 /* Reset the match pattern buffer */
99 #define Reset_Pattern(menu) \
100 { (menu)->pindex = 0; \
101 (menu)->pattern[0] = '\0'; }
103 /* Internal functions. */
104 extern NCURSES_EXPORT(void) _nc_Draw_Menu (const MENU *);
105 extern NCURSES_EXPORT(void) _nc_Show_Menu (const MENU *);
106 extern NCURSES_EXPORT(void) _nc_Calculate_Item_Length_and_Width (MENU *);
107 extern NCURSES_EXPORT(void) _nc_Post_Item (const MENU *, const ITEM *);
108 extern NCURSES_EXPORT(bool) _nc_Connect_Items (MENU *, ITEM **);
109 extern NCURSES_EXPORT(void) _nc_Disconnect_Items (MENU *);
110 extern NCURSES_EXPORT(void) _nc_New_TopRow_and_CurrentItem (MENU *,int, ITEM *);
111 extern NCURSES_EXPORT(void) _nc_Link_Items (MENU *);
112 extern NCURSES_EXPORT(int) _nc_Match_Next_Character_In_Item_Name (MENU*,int,ITEM**);
113 extern NCURSES_EXPORT(int) _nc_menu_cursor_pos (const MENU* menu, const ITEM* item,