wdel.c

开放源码的编译器open watcom 1.6.0版的源代码

/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
*    NON-INFRINGEMENT. Please see the License for the specific language
*    governing rights and limitations under the License.
*
*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#include <windows.h>
#include <ctype.h>
#include <string.h>
#include "wglbl.h"
#include "wmem.h"
#include "wedit.h"
#include "wdel.h"
#include "sys_rc.h"

/****************************************************************************/
/* macro definitions                                                        */
/****************************************************************************/

/****************************************************************************/
/* type definitions                                                         */
/****************************************************************************/

/****************************************************************************/
/* external function prototypes                                             */
/****************************************************************************/

/****************************************************************************/
/* static function prototypes                                               */
/****************************************************************************/

/****************************************************************************/
/* static variables                                                         */
/****************************************************************************/

Bool WDeleteMenuEntry ( WMenuEditInfo *einfo )
{
    HWND         lbox;
    Bool         ok;
    LRESULT      ret;

    ok = ( einfo && einfo->edit_dlg );

    if ( ok ) {
        lbox = GetDlgItem ( einfo->edit_dlg, IDM_MENUEDLIST );
        ok = ( lbox != NULL );
    }

    if ( ok ) {
        ret = SendMessage ( lbox, LB_GETCURSEL, 0, 0 );
        ok = ( ret != LB_ERR );
    }

    if ( ok ) {
        ok = WDeleteEditWinLBoxEntry ( einfo, (int) ret, TRUE );
    }

    return ( ok );
}

Bool WDeleteEditWinLBoxEntry ( WMenuEditInfo *einfo, int pos, Bool free_it )
{
    HWND        lbox;
    Bool        ok;
    WMenuEntry *entry;
    LRESULT     ret, max;

    ok = ( einfo && einfo->edit_dlg );

    if ( ok ) {
        lbox = GetDlgItem ( einfo->edit_dlg, IDM_MENUEDLIST );
        ok = ( lbox != NULL );
    }

    if ( ok ) {
        ret = SendMessage ( lbox, LB_GETCOUNT, 0, 0 );
        max = ret;
        ok = ( ret && ( ret != LB_ERR ) && ( pos < (int)ret ) );
    }

    if ( ok ) {
        entry = (WMenuEntry *)
            SendMessage ( lbox, LB_GETITEMDATA, (WPARAM) pos, 0 );
        if ( entry ) {
            if ( free_it ) {
                ok = WRemoveMenuEntry( einfo->menu, entry );
                if( ok ) {
                    WFreeMenuEntries ( entry->child );
                    WFreeMenuEntry ( entry );
                }
            }
        } else {
            ok = FALSE;
        }
    }

    if ( ok ) {
        einfo->info->modified = TRUE;
        if( free_it ) {
            ret =  WInitEditWindowListBox( einfo );
        } else {
            ret = SendMessage ( lbox, LB_DELETESTRING, (WPARAM) pos, 0 );
        }
        ok = ( ret != LB_ERR );
    }

    if ( ok ) {
        einfo->current_entry = NULL;
        einfo->current_pos   = -1;
        pos = min ( max-2, pos );
        ret = SendMessage ( lbox, LB_SETCURSEL, (WPARAM) pos, 0 );
        ok = ( ret != LB_ERR );
        if( ok ) {
            WHandleSelChange ( einfo );
        } else {
            WSetEditWindowControls( einfo, NULL );
        }
    }

    return ( ok );
}