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