wreseted.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 <stdlib.h>

#include "wreglbl.h"
#include "wremem.h"
#include "wreseted.h"

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

Bool WRESetEditWithWResID ( HWND edit, WResID *id )
{
    char *cp;
    Bool  ok;

    cp = NULL;

    ok = ( ( edit != (HWND)NULL ) && id );

    if ( ok ) {
        ok = ( ( cp = WResIDToStr ( id ) ) != NULL );
    }

    if ( ok ) {
        ok = WRESetEditWithStr ( edit, cp );
    }

    if ( cp ) {
        WREMemFree ( cp );
    }

    return ( ok );
}

Bool WRESetEditWithStr ( HWND edit, char *str )
{
    Bool      ok;

    if ( ok = ( ( edit != (HWND)NULL ) && str ) ) {
        SendMessage ( edit, WM_SETTEXT, 0, (LPARAM) (LPCSTR) str );
    }

    return ( ok );
}

Bool WRESetLBoxWithStr ( HWND lbox, char *str, void *data )
{
    Bool      ok;
    LRESULT   index;

    ok = ( ( lbox != (HWND)NULL ) && str );

    if ( ok ) {
        index = SendMessage ( lbox, LB_ADDSTRING, 0, (LPARAM) (LPCSTR) str );
        ok = ( ( index != LB_ERR ) && ( index != LB_ERRSPACE ) );
    }

    if ( ok ) {
        SendMessage ( lbox, LB_SETITEMDATA, index, (LPARAM) data );
        ok = ( index != LB_ERR );
    }

    return ( ok );
}

Bool WRESetLBoxWithWResID ( HWND lbox, WResID *id, void *data )
{
    Bool      ok;
    char     *name;

    name = NULL;

    ok = ( ( lbox != (HWND)NULL ) && id );

    ok = ok && ( ( name = WResIDToStr ( id ) ) != NULL );

    ok = ok && WRESetLBoxWithStr ( lbox, name, data );

    if ( name ) {
        WREMemFree ( name );
    }

    return ( ok );
}

char *WREGetStrFromEdit ( HWND edit, Bool *mod )
{
    char    *cp;
    LRESULT text_length;
    LRESULT text_copied;

    text_copied = 0;

    if ( mod ) {
        /* find out if the edit field has changed */
        if ( SendMessage ( edit, EM_GETMODIFY, 0, 0 ) ) {
            *mod = TRUE;
        } else {
            *mod = FALSE;
        }
    }

    text_length = SendMessage ( edit, WM_GETTEXTLENGTH, 0, 0 );

    cp = (char *) WREMemAlloc ( text_length + 1 );
    if ( cp == NULL ) {
        return ( NULL );
    }

    text_copied = SendMessage ( edit, WM_GETTEXT, text_length+1, (LPARAM)cp );

    if ( text_copied > text_length ) {
        WREMemFree ( cp );
        return ( NULL );
    }

    cp[text_length] = '\0';

    return ( cp );
}

WResID *WREGetWResIDFromEdit ( HWND edit, Bool *mod )
{
    WResID  *rp;
    uint_16 ordID;
    char    *cp;
    char    *ep;

    rp = NULL;

    cp = WREGetStrFromEdit ( edit, mod );

    /* find out if the edit field has changed */
    if ( !mod || *mod ) {
        if ( !cp ) {
            return ( NULL );
        }
        ordID = (uint_16) strtoul ( cp, &ep, 0 );
        if ( !*ep ) {
            rp = WResIDFromNum ( ordID );
        } else {
            rp = WResIDFromStr ( cp );
        }
    }

    if ( cp ) {
        WREMemFree ( cp );
    }

    return ( rp );
}