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137 lines
5.2 KiB
C
137 lines
5.2 KiB
C
/*-----------------------------------------------------------------------------+
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| The ncurses menu library is Copyright (C) 1995-1997 |
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| by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> |
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| All Rights Reserved. |
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| Permission to use, copy, modify, and distribute this software and its |
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| documentation for any purpose and without fee is hereby granted, provided |
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| that the above copyright notice appear in all copies and that both that |
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| copyright notice and this permission notice appear in supporting |
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| documentation, and that the name of the above listed copyright holder(s) not |
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| be used in advertising or publicity pertaining to distribution of the |
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| software without specific, written prior permission. |
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| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO |
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| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- |
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| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR |
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| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
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| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
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| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
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| THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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+-----------------------------------------------------------------------------*/
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/***************************************************************************
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* Module menu_win *
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* Menus window and subwindow association routines *
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***************************************************************************/
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#include "menu.priv.h"
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MODULE_ID("$Id: m_win.c,v 1.5 1997/05/01 16:47:26 juergen Exp $")
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : int set_menu_win(MENU *menu, WINDOW *win)
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| Description : Sets the window of the menu.
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| Return Values : E_OK - success
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| E_POSTED - menu is already posted
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+--------------------------------------------------------------------------*/
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int set_menu_win(MENU *menu, WINDOW *win)
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{
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if (menu)
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{
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if ( menu->status & _POSTED )
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RETURN(E_POSTED);
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menu->userwin = win;
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_nc_Calculate_Item_Length_and_Width(menu);
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}
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else
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_nc_Default_Menu.userwin = win;
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RETURN(E_OK);
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}
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : WINDOW *menu_win(const MENU *)
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| Description : Returns pointer to the window of the menu
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| Return Values : NULL on error, otherwise pointer to window
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+--------------------------------------------------------------------------*/
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WINDOW *menu_win(const MENU *menu)
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{
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const MENU* m = Normalize_Menu(menu);
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return (m->userwin ? m->userwin : stdscr);
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}
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : int set_menu_sub(MENU *menu, WINDOW *win)
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| Description : Sets the subwindow of the menu.
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| Return Values : E_OK - success
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| E_POSTED - menu is already posted
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+--------------------------------------------------------------------------*/
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int set_menu_sub(MENU *menu, WINDOW *win)
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{
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if (menu)
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{
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if ( menu->status & _POSTED )
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RETURN(E_POSTED);
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menu->usersub = win;
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_nc_Calculate_Item_Length_and_Width(menu);
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}
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else
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_nc_Default_Menu.usersub = win;
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RETURN(E_OK);
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}
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : WINDOW *menu_sub(const MENU *menu)
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| Description : Returns a pointer to the subwindow of the menu
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| Return Values : NULL on error, otherwise a pointer to the window
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+--------------------------------------------------------------------------*/
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WINDOW *menu_sub(const MENU * menu)
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{
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const MENU* m = Normalize_Menu(menu);
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return Get_Menu_Window(m);
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}
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : int scale_menu(const MENU *menu)
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| Description : Returns the minimum window size necessary for the
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| subwindow of menu.
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| Return Values : E_OK - success
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| E_BAD_ARGUMENT - invalid menu pointer
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| E_NOT_CONNECTED - no items are connected to menu
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+--------------------------------------------------------------------------*/
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int scale_menu(const MENU *menu, int *rows, int *cols)
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{
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if (!menu)
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RETURN( E_BAD_ARGUMENT );
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if (menu->items && *(menu->items))
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{
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if (rows)
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*rows = menu->height;
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if (cols)
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*cols = menu->width;
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RETURN(E_OK);
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}
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else
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RETURN( E_NOT_CONNECTED );
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}
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/* m_win.c ends here */
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