wdefupdn.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 <win1632.h>

#include "wdeglbl.h"
#include "wdemem.h"
#include "wderesin.h"
#include "wdeobjid.h"
#include "wdefutil.h"
#include "wde_wres.h"
#include "wdemain.h"
#include "wdeoinfo.h"
#include "wdedefsz.h"
#include "wdedebug.h"
#include "wde_rc.h"
#include "wdesdup.h"
#include "wdecctl.h"
#include "wdefupdn.h"

/****************************************************************************/
/* type definitions                                                         */
/****************************************************************************/
typedef struct {
    FARPROC     dispatcher;
    OBJPTR      object_handle;
    OBJ_ID      object_id;
    OBJPTR      control;
} WdeUpDnObject;

/****************************************************************************/
/* external function prototypes                                             */
/****************************************************************************/
extern BOOL    WINEXPORT WdeUpDnDispatcher  ( ACTION, WdeUpDnObject *, void *,
                                              void *);
extern LRESULT WINEXPORT WdeUpDnSuperClassProc ( HWND, UINT, WPARAM, LPARAM);

/****************************************************************************/
/* static function prototypes                                               */
/****************************************************************************/
static OBJPTR   WdeMakeUpDn             ( OBJPTR, RECT *, OBJPTR, DialogStyle,
                                          char *, OBJ_ID );
static OBJPTR   WdeUDCreate             ( OBJPTR, RECT *, OBJPTR,
                                          OBJ_ID, WdeDialogBoxControl *);
static BOOL     WdeUpDnDestroy          ( WdeUpDnObject *, BOOL *, void *);
static BOOL     WdeUpDnValidateAction   ( WdeUpDnObject *, ACTION *, void *);
static BOOL     WdeUpDnCopyObject       ( WdeUpDnObject *, WdeUpDnObject **,
                                          WdeUpDnObject *);
static BOOL     WdeUpDnIdentify         ( WdeUpDnObject *, OBJ_ID *, void *);
static BOOL     WdeUpDnGetWndProc       ( WdeUpDnObject *, WNDPROC *, void *);
static BOOL     WdeUpDnGetWindowClass   ( WdeUpDnObject *, char **, void *);
static BOOL     WdeUpDnDefine           ( WdeUpDnObject *, POINT *, void *);
static void     WdeUpDnSetDefineInfo    ( WdeDefineObjectInfo *, HWND );
static void     WdeUpDnGetDefineInfo    ( WdeDefineObjectInfo *, HWND );
static BOOL     WdeUpDnDefineHook       ( HWND, UINT, WPARAM, LPARAM,
                                          DialogStyle );

/****************************************************************************/
/* static variables                                                         */
/****************************************************************************/
static HINSTANCE                WdeApplicationInstance;
static FARPROC                  WdeUpDnDispatch;
static WdeDialogBoxControl      *WdeDefaultUpDn = NULL;
static int                      WdeUpDnWndExtra;
static WNDPROC                  WdeOriginalUpDnProc;
//static WNDPROC                        WdeUpDnProc;

#define WUPDOWN_CLASS    UPDOWN_CLASS

static DISPATCH_ITEM WdeUpDnActions[] = {
    { DESTROY           ,  (BOOL (*)(OBJPTR, void *, void *))WdeUpDnDestroy               }
,   { COPY              ,  (BOOL (*)(OBJPTR, void *, void *))WdeUpDnCopyObject            }
,   { VALIDATE_ACTION   ,  (BOOL (*)(OBJPTR, void *, void *))WdeUpDnValidateAction        }
,   { IDENTIFY          ,  (BOOL (*)(OBJPTR, void *, void *))WdeUpDnIdentify              }
,   { GET_WINDOW_CLASS  ,  (BOOL (*)(OBJPTR, void *, void *))WdeUpDnGetWindowClass        }
,   { DEFINE            ,  (BOOL (*)(OBJPTR, void *, void *))WdeUpDnDefine                }
,   { GET_WND_PROC      ,  (BOOL (*)(OBJPTR, void *, void *))WdeUpDnGetWndProc            }
};

#define MAX_ACTIONS      (sizeof(WdeUpDnActions)/sizeof (DISPATCH_ITEM))

OBJPTR WINEXPORT WdeUpDnCreate( OBJPTR parent, RECT *obj_rect, OBJPTR handle)
{
    if( handle == NULL ) {
        return( WdeMakeUpDn( parent, obj_rect, handle,
                              0, "", UPDOWN_OBJ ) );
    } else {
        return( WdeUDCreate( parent, obj_rect, NULL, UPDOWN_OBJ,
                             (WdeDialogBoxControl *) handle) );
    }
}

OBJPTR WdeMakeUpDn( OBJPTR parent, RECT *obj_rect, OBJPTR handle,
                    DialogStyle style, char *text, OBJ_ID id )
{
    OBJPTR new;

    style |= WS_BORDER | WS_VISIBLE | WS_TABSTOP | WS_CHILD;

    SETCTL_STYLE( WdeDefaultUpDn, style );
    SETCTL_TEXT( WdeDefaultUpDn, ResStrToNameOrOrd( text ) );
    SETCTL_ID( WdeDefaultUpDn, WdeGetNextControlID() );

    WdeChangeSizeToDefIfSmallRect ( parent, id, obj_rect );

    new = WdeUDCreate ( parent, obj_rect, handle, id, WdeDefaultUpDn );

    WdeMemFree( GETCTL_TEXT(WdeDefaultUpDn) );
    SETCTL_TEXT( WdeDefaultUpDn, NULL );

    return ( new );
}

OBJPTR WdeUDCreate( OBJPTR parent, RECT *obj_rect, OBJPTR handle,
                    OBJ_ID id, WdeDialogBoxControl *info)
{
    WdeUpDnObject *new;

    WdeDebugCreate("UpDn", parent, obj_rect, handle);

    if ( parent == NULL ) {
        WdeWriteTrail("WdeUpDnCreate: UpDn has no parent!");
        return ( NULL );
    }

    new = (WdeUpDnObject *) WdeMemAlloc ( sizeof(WdeUpDnObject) );
    if ( new == NULL ) {
        WdeWriteTrail("WdeUpDnCreate: Object malloc failed");
        return ( NULL );
    }

    new->dispatcher = WdeUpDnDispatch;

    new->object_id = id;

    if ( handle ==  NULL ) {
        new->object_handle = new;
    } else {
        new->object_handle = handle;
    }

    new->control = Create( CONTROL_OBJ, parent, obj_rect, new->object_handle);

    if (new->control == NULL) {
        WdeWriteTrail("WdeUpDnCreate: CONTROL_OBJ not created!");
        WdeMemFree ( new );
        return ( NULL );
    }

    if (!Forward ( (OBJPTR)new->object_handle, SET_OBJECT_INFO, info, NULL) ) {
        WdeWriteTrail("WdeUpDnCreate: SET_OBJECT_INFO failed!");
        Destroy ( new->control, FALSE );
        WdeMemFree ( new );
        return ( NULL );
    }

    if (!Forward ( (OBJPTR)new->object_handle, CREATE_WINDOW,
                   NULL, NULL) ) {
        WdeWriteTrail("WdeUpDnCreate: CREATE_WINDOW failed!");
        Destroy ( new->control, FALSE );
        WdeMemFree ( new );
        return ( NULL );
    }

    return ( new );
}

BOOL WINEXPORT WdeUpDnDispatcher ( ACTION act, WdeUpDnObject *obj,
                                     void *p1, void *p2)
{
    int     i;

    WdeDebugDispatch("UpDn", act, obj, p1, p2);

    for ( i = 0; i < MAX_ACTIONS; i++ ) {
        if( WdeUpDnActions[i].id == act ) {
            return( (WdeUpDnActions[i].rtn)( obj, p1, p2 ) );
        }
    }

    return (Forward ((OBJPTR)obj->control, act, p1, p2));
}

Bool WdeUpDnInit( Bool first )
{
    WNDCLASS    wc;

    WdeApplicationInstance = WdeGetAppInstance();
    GetClassInfo( (HINSTANCE)NULL, WUPDOWN_CLASS, &wc );
    WdeOriginalUpDnProc = wc.lpfnWndProc;
    WdeUpDnWndExtra = wc.cbWndExtra;

    if( first ) {
#if 0
        if ( wc.style & CS_GLOBALCLASS ) {
            wc.style ^= CS_GLOBALCLASS;
        }
        if ( wc.style & CS_PARENTDC ) {
            wc.style ^= CS_PARENTDC;
        }
        wc.style |= ( CS_HREDRAW | CS_VREDRAW );
        wc.hInstance     = WdeApplicationInstance;
        wc.lpszClassName = "wdeedit";
        wc.cbWndExtra  += sizeof( OBJPTR );
        //wc.lpfnWndProc      = WdeUpDnSuperClassProc;
        if( !RegisterClass( &wc ) ) {
            WdeWriteTrail("WdeUpDnInit: RegisterClass failed.");
        }
#endif
    }

    WdeDefaultUpDn = WdeAllocDialogBoxControl ();
    if( !WdeDefaultUpDn ) {
        WdeWriteTrail ("WdeUpDnInit: Alloc of control failed!");
        return( FALSE );
    }

    /* set up the default control structure */