wdefhdr.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 "wdefhdr.h"

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

/****************************************************************************/
/* external function prototypes                                             */
/****************************************************************************/
extern BOOL    WINEXPORT WdeHdrDispatcher  ( ACTION, WdeHdrObject *, void *,
                                              void *);
extern LRESULT WINEXPORT WdeHdrSuperClassProc ( HWND, UINT, WPARAM, LPARAM);

/****************************************************************************/
/* static function prototypes                                               */
/****************************************************************************/
static OBJPTR   WdeMakeHdr              ( OBJPTR, RECT *, OBJPTR, DialogStyle,
                                          char *, OBJ_ID );
static OBJPTR   WdeHCreate              ( OBJPTR, RECT *, OBJPTR,
                                          OBJ_ID, WdeDialogBoxControl *);
static BOOL     WdeHdrDestroy           ( WdeHdrObject *, BOOL *, void *);
static BOOL     WdeHdrValidateAction    ( WdeHdrObject *, ACTION *, void *);
static BOOL     WdeHdrCopyObject        ( WdeHdrObject *, WdeHdrObject **,
                                          WdeHdrObject *);
static BOOL     WdeHdrIdentify          ( WdeHdrObject *, OBJ_ID *, void *);
static BOOL     WdeHdrGetWndProc        ( WdeHdrObject *, WNDPROC *, void *);
static BOOL     WdeHdrGetWindowClass    ( WdeHdrObject *, char **, void *);
static BOOL     WdeHdrDefine            ( WdeHdrObject *, POINT *, void *);
static void     WdeHdrSetDefineInfo     ( WdeDefineObjectInfo *, HWND );
static void     WdeHdrGetDefineInfo     ( WdeDefineObjectInfo *, HWND );
static BOOL     WdeHdrDefineHook        ( HWND, UINT, WPARAM, LPARAM,
                                          DialogStyle );

/****************************************************************************/
/* static variables                                                         */
/****************************************************************************/
static HINSTANCE                WdeApplicationInstance;
static FARPROC                  WdeHdrDispatch;
static WdeDialogBoxControl      *WdeDefaultHdr = NULL;
static int                      WdeHdrWndExtra;
static WNDPROC                  WdeOriginalHdrProc;
//static WNDPROC                        WdeHdrProc;

#define WWC_HEADER       WC_HEADER

static DISPATCH_ITEM WdeHdrActions[] = {
    { DESTROY           ,  (BOOL (*)(OBJPTR, void *, void *))WdeHdrDestroy        }
,   { COPY              ,  (BOOL (*)(OBJPTR, void *, void *))WdeHdrCopyObject     }
,   { VALIDATE_ACTION   ,  (BOOL (*)(OBJPTR, void *, void *))WdeHdrValidateAction }
,   { IDENTIFY          ,  (BOOL (*)(OBJPTR, void *, void *))WdeHdrIdentify       }
,   { GET_WINDOW_CLASS  ,  (BOOL (*)(OBJPTR, void *, void *))WdeHdrGetWindowClass }
,   { DEFINE            ,  (BOOL (*)(OBJPTR, void *, void *))WdeHdrDefine         }
,   { GET_WND_PROC      ,  (BOOL (*)(OBJPTR, void *, void *))WdeHdrGetWndProc     }
};

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

OBJPTR WINEXPORT WdeHdrCreate( OBJPTR parent, RECT *obj_rect, OBJPTR handle)
{
    if( handle == NULL ) {
        return( WdeMakeHdr( parent, obj_rect, handle,
                              0, "", HEADER_OBJ ) );
    } else {
        return( WdeHCreate( parent, obj_rect, NULL, HEADER_OBJ,
                             (WdeDialogBoxControl *) handle) );
    }
}

OBJPTR WdeMakeHdr( 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( WdeDefaultHdr, style );
    SETCTL_TEXT( WdeDefaultHdr, ResStrToNameOrOrd( text ) );
    SETCTL_ID( WdeDefaultHdr, WdeGetNextControlID() );

    WdeChangeSizeToDefIfSmallRect ( parent, id, obj_rect );

    new = WdeHCreate ( parent, obj_rect, handle, id, WdeDefaultHdr );

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

    return ( new );
}

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

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

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

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

    new->dispatcher = WdeHdrDispatch;

    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("WdeHdrCreate: CONTROL_OBJ not created!");
        WdeMemFree ( new );
        return ( NULL );
    }

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

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

    return ( new );
}

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

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

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

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

Bool WdeHdrInit( Bool first )
{
    WNDCLASS    wc;

    WdeApplicationInstance = WdeGetAppInstance();
    GetClassInfo( (HINSTANCE)NULL, WWC_HEADER, &wc );
    WdeOriginalHdrProc = wc.lpfnWndProc;
    WdeHdrWndExtra = 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      = WdeHdrSuperClassProc;
        if( !RegisterClass( &wc ) ) {
            WdeWriteTrail("WdeHdrInit: RegisterClass failed.");
        }
#endif
    }

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

    /* set up the default control structure */
    SETCTL_STYLE( WdeDefaultHdr, WS_BORDER | WS_VISIBLE | WS_TABSTOP | WS_GROUP );
    SETCTL_ID( WdeDefaultHdr, 0 );
    SETCTL_EXTRABYTES( WdeDefaultHdr, 0 );
    SETCTL_SIZEX( WdeDefaultHdr, 0 );
    SETCTL_SIZEY( WdeDefaultHdr, 0 );
    SETCTL_SIZEW( WdeDefaultHdr, 0 );
    SETCTL_SIZEH( WdeDefaultHdr, 0 );
    SETCTL_TEXT( WdeDefaultHdr, NULL );
    SETCTL_CLASSID( WdeDefaultHdr, WdeStrToControlClass( WWC_HEADER ) );

    WdeHdrDispatch = MakeProcInstance((FARPROC)WdeHdrDispatcher,
                                           WdeGetAppInstance());
    return( TRUE );
}

void WdeHdrFini ( void )
{
    WdeFreeDialogBoxControl ( &WdeDefaultHdr );
    FreeProcInstance        ( WdeHdrDispatch );
}

BOOL WdeHdrDestroy ( WdeHdrObject *obj, BOOL *flag, void *p2 )
{
    /* touch unused vars to get rid of warning */
    _wde_touch(p2);

    if ( !Forward ( obj->control, DESTROY, flag, NULL ) ) {
        WdeWriteTrail("WdeHdrDestroy: Control DESTROY failed");
        return ( FALSE );
    }

    WdeMemFree( obj );

    return ( TRUE );
}

BOOL WdeHdrValidateAction ( WdeHdrObject *obj, ACTION *act, void *p2 )
{
    int     i;

    /* touch unused vars to get rid of warning */
    _wde_touch(p2);

    for ( i = 0; i < MAX_ACTIONS; i++ ) {
        if( WdeHdrActions[i].id == *act ) {
            return ( TRUE );
        }
    }

    return ( ValidateAction( (OBJPTR) obj->control, *act, p2 ) );
}

BOOL WdeHdrCopyObject ( WdeHdrObject *obj, WdeHdrObject **new,
                           WdeHdrObject *handle )
{
    if (new == NULL) {
        WdeWriteTrail("WdeHdrCopyObject: Invalid new object!");
        return ( FALSE );
    }

    *new = (WdeHdrObject *) WdeMemAlloc ( sizeof(WdeHdrObject) );

    if ( *new == NULL ) {
        WdeWriteTrail("WdeHdrCopyObject: Object malloc failed");
        return ( FALSE );
    }

    (*new)->dispatcher    = obj->dispatcher;
    (*new)->object_id     = obj->object_id;

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

    if (!CopyObject(obj->control, &((*new)->control), (*new)->object_handle)) {
        WdeWriteTrail("WdeHdrCopyObject: Control not created!");
        WdeMemFree ( (*new) );
        return ( FALSE );
    }

    return ( TRUE );
}

BOOL WdeHdrIdentify ( WdeHdrObject *obj, OBJ_ID *id, void *p2 )
{
    /* touch unused vars to get rid of warning */
    _wde_touch(p2);

    *id = obj->object_id;

    return ( TRUE );
}

BOOL WdeHdrGetWndProc( WdeHdrObject *obj, WNDPROC *proc, void *p2 )
{
    /* touch unused vars to get rid of warning */
    _wde_touch(obj);
    _wde_touch(p2);

    *proc = WdeHdrSuperClassProc;

    return ( TRUE );
}

BOOL WdeHdrGetWindowClass ( WdeHdrObject *obj, char **class, void *p2 )
{
    /* touch unused vars to get rid of warning */
    _wde_touch(obj);
    _wde_touch(p2);

    *class = WWC_HEADER;

    return ( TRUE );
}

BOOL WdeHdrDefine ( WdeHdrObject *obj, POINT *pnt, void *p2 )
{
    WdeDefineObjectInfo  o_info;

    /* touch unused vars to get rid of warning */
    _wde_touch(pnt);
    _wde_touch(p2);

    o_info.obj       = obj->object_handle;
    o_info.obj_id    = obj->object_id;
    o_info.mask      = WS_VISIBLE | WS_DISABLED |
                        WS_TABSTOP | WS_GROUP | WS_BORDER;
    o_info.set_func  = (WdeSetProc)WdeHdrSetDefineInfo;
    o_info.get_func  = (WdeGetProc)WdeHdrGetDefineInfo;
    o_info.hook_func = WdeHdrDefineHook;
    o_info.win       = NULL;

    return ( WdeControlDefine ( &o_info ) );
}

void WdeHdrSetDefineInfo ( WdeDefineObjectInfo *o_info, HWND hDlg )
{
#ifdef __NT__XX
    DialogStyle mask;

    // set the header control options
    mask = GETCTL_STYLE( o_info->info.c.info ) & 0x0000000f;
    if ( mask & HDS_BUTTONS ) {
        CheckDlgButton ( hDlg, IDB_HDS_BUTTONS, 1);
    }

    // set the extended style controls only
    WdeEXSetDefineInfo( o_info, hDlg );
#else
    _wde_touch(o_info);
    _wde_touch(hDlg);
#endif
}

void WdeHdrGetDefineInfo ( WdeDefineObjectInfo *o_info, HWND hDlg )
{
#ifdef __NT__XX
    DialogStyle mask = 0;

    // get the header control styles
    if ( IsDlgButtonChecked ( hDlg, IDB_HDS_BUTTONS ) ) {
        mask |= HDS_BUTTONS;
    }
    SETCTL_STYLE( o_info->info.c.info,
                  ( GETCTL_STYLE(o_info->info.c.info) & 0xfffffff0 ) | mask );

    // get the extended control settings
    WdeEXGetDefineInfo ( o_info, hDlg );
#else
    _wde_touch(o_info);
    _wde_touch(hDlg);
#endif
}

BOOL WdeHdrDefineHook( HWND hDlg, UINT message,
                        WPARAM wParam, LPARAM lParam, DialogStyle mask )
{
    BOOL processed;

    /* touch unused vars to get rid of warning */
    _wde_touch(hDlg);
    _wde_touch(message);
    _wde_touch(wParam);
    _wde_touch(lParam);
    _wde_touch(mask);

    processed = FALSE;

    return( processed );
}

LRESULT WINEXPORT WdeHdrSuperClassProc( HWND hWnd, UINT message,
                                         WPARAM wParam,
                                         LPARAM lParam )
{
    if( !WdeProcessMouse( hWnd, message, wParam, lParam ) ) {
        return( CallWindowProc( WdeOriginalHdrProc,
                                 hWnd, message, wParam, lParam ) );
    }
    return( FALSE );
}