diff options
Diffstat (limited to 'ncurses-5.2/menu/m_item_new.c')
| -rw-r--r-- | ncurses-5.2/menu/m_item_new.c | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/ncurses-5.2/menu/m_item_new.c b/ncurses-5.2/menu/m_item_new.c deleted file mode 100644 index e4a852c..0000000 --- a/ncurses-5.2/menu/m_item_new.c +++ /dev/null @@ -1,227 +0,0 @@ -/**************************************************************************** - * 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@gmx.net> 1995,1997 * - ****************************************************************************/ - -/*************************************************************************** -* Module m_item_new * -* Create and destroy menu items * -* Set and get marker string for menu * -***************************************************************************/ - -#include "menu.priv.h" - -MODULE_ID("$Id$") - -/*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : bool Is_Printable_String(const char *s) -| -| Description : Checks whether or not the string contains only printable -| characters. -| -| Return Values : TRUE - if string is printable -| FALSE - if string contains non-printable characters -+--------------------------------------------------------------------------*/ -static bool Is_Printable_String(const char *s) -{ - assert(s); - while(*s) - { - if (!isprint((unsigned char)*s)) - return FALSE; - s++; - } - return TRUE; -} - -/*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : ITEM *new_item(char *name, char *description) -| -| Description : Create a new item with name and description. Return -| a pointer to this new item. -| N.B.: an item must(!) have a name. -| -| Return Values : The item pointer or NULL if creation failed. -+--------------------------------------------------------------------------*/ -ITEM *new_item(const char *name, const char *description) -{ - ITEM *item; - - if ( !name || (*name == '\0') || !Is_Printable_String(name) ) - { - item = (ITEM *)0; - SET_ERROR( E_BAD_ARGUMENT ); - } - else - { - item = (ITEM *)calloc(1,sizeof(ITEM)); - if (item) - { - *item = _nc_Default_Item; /* hope we have struct assignment */ - - item->name.length = strlen(name); - item->name.str = name; - - if (description && (*description != '\0') && - Is_Printable_String(description)) - { - item->description.length = strlen(description); - item->description.str = description; - } - else - { - item->description.length = 0; - item->description.str = (char *)0; - } - } - else - SET_ERROR( E_SYSTEM_ERROR ); - } - return(item); -} - -/*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : int free_item(ITEM *item) -| -| Description : Free the allocated storage for this item. -| N.B.: a connected item can't be freed. -| -| Return Values : E_OK - success -| E_BAD_ARGUMENT - invalid value has been passed -| E_CONNECTED - item is still connected to a menu -+--------------------------------------------------------------------------*/ -int free_item(ITEM * item) -{ - if (!item) - RETURN( E_BAD_ARGUMENT ); - - if (item->imenu) - RETURN( E_CONNECTED ); - - free(item); - - RETURN( E_OK ); -} - -/*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : int set_menu_mark( MENU *menu, const char *mark ) -| -| Description : Set the mark string used to indicate the current -| item (single-valued menu) or the selected items -| (multi-valued menu). -| The mark argument may be NULL, in which case no -| marker is used. -| This might be a little bit tricky, because this may -| affect the geometry of the menu, which we don't allow -| if it is already posted. -| -| Return Values : E_OK - success -| E_BAD_ARGUMENT - an invalid value has been passed -| E_SYSTEM_ERROR - no memory to store mark -+--------------------------------------------------------------------------*/ -int set_menu_mark(MENU * menu, const char * mark) -{ - int l; - - if ( mark && (*mark != '\0') && Is_Printable_String(mark) ) - l = strlen(mark); - else - l = 0; - - if ( menu ) - { - char *old_mark = menu->mark; - unsigned short old_status = menu->status; - - if (menu->status & _POSTED) - { - /* If the menu is already posted, the geometry is fixed. Then - we can only accept a mark with exactly the same length */ - if (menu->marklen != l) - RETURN(E_BAD_ARGUMENT); - } - menu->marklen = l; - if (l) - { - menu->mark = (char *)malloc(l+1); - if (menu->mark) - { - strcpy(menu->mark, mark); - if (menu != &_nc_Default_Menu) - menu->status |= _MARK_ALLOCATED; - } - else - { - menu->mark = old_mark; - RETURN(E_SYSTEM_ERROR); - } - } - else - menu->mark = (char *)0; - - if ((old_status & _MARK_ALLOCATED) && old_mark) - free(old_mark); - - if (menu->status & _POSTED) - { - _nc_Draw_Menu( menu ); - _nc_Show_Menu( menu ); - } - else - { - /* Recalculate the geometry */ - _nc_Calculate_Item_Length_and_Width( menu ); - } - } - else - { - return set_menu_mark(&_nc_Default_Menu, mark); - } - RETURN(E_OK); -} - -/*--------------------------------------------------------------------------- -| Facility : libnmenu -| Function : char *menu_mark(const MENU *menu) -| -| Description : Return a pointer to the marker string -| -| Return Values : The marker string pointer or NULL if no marker defined -+--------------------------------------------------------------------------*/ -const char *menu_mark(const MENU * menu) -{ - return Normalize_Menu( menu )->mark; -} - -/* m_item_new.c */ |