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Moved queue paint count to the server. Removed a few no longer used 

routines.
This commit is contained in:
Alexandre Julliard 2001-06-20 22:55:31 +00:00
parent a84934403d
commit 4b0343dc5f
10 changed files with 98 additions and 208 deletions
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7
dlls/user/user_main.c
View File

@ -259,18 +259,13 @@ static void thread_detach(void)
if (hQueue)
{
WND* desktop = WIN_GetDesktop();
TIMER_RemoveQueueTimers( hQueue );
HOOK_FreeQueueHooks( hQueue );
QUEUE_SetExitingQueue( hQueue );
WIN_ResetQueueWindows( desktop, hQueue, 0 );
QUEUE_SetExitingQueue( 0 );
WIN_DestroyThreadWindows( GetDesktopWindow() );
QUEUE_DeleteMsgQueue( hQueue );
WIN_ReleaseDesktop();
SetThreadQueue16( 0, 0 );
}

17
include/server.h
View File

@ -1297,15 +1297,12 @@ struct get_msg_queue_request
};
/* Set the message queue wake bits */
struct set_queue_bits_request
/* Increment the message queue paint count */
struct inc_queue_paint_count_request
{
REQUEST_HEADER; /* request header */
IN handle_t handle; /* handle to the queue */
IN unsigned int set; /* wake bits to set */
IN unsigned int clear; /* wake bits to clear */
IN unsigned int mask_cond; /* mask for conditional bit setting */
OUT unsigned int changed_mask; /* changed bits wake mask */
IN void* id; /* thread id */
IN int incr; /* increment (can be negative) */
};
@ -1600,7 +1597,7 @@ enum request
REQ_get_atom_name,
REQ_init_atom_table,
REQ_get_msg_queue,
REQ_set_queue_bits,
REQ_inc_queue_paint_count,
REQ_set_queue_mask,
REQ_get_queue_status,
REQ_wait_input_idle,
@ -1725,7 +1722,7 @@ union generic_request
struct get_atom_name_request get_atom_name;
struct init_atom_table_request init_atom_table;
struct get_msg_queue_request get_msg_queue;
struct set_queue_bits_request set_queue_bits;
struct inc_queue_paint_count_request inc_queue_paint_count;
struct set_queue_mask_request set_queue_mask;
struct get_queue_status_request get_queue_status;
struct wait_input_idle_request wait_input_idle;
@ -1743,7 +1740,7 @@ union generic_request
struct create_async_request create_async;
};
#define SERVER_PROTOCOL_VERSION 46
#define SERVER_PROTOCOL_VERSION 47
/* ### make_requests end ### */
/* Everything above this line is generated automatically by tools/make_requests */

4
include/win.h
View File

@ -107,8 +107,8 @@ extern void WIN_DumpWindow( HWND hwnd );
extern void WIN_WalkWindows( HWND hwnd, int indent );
extern BOOL WIN_UnlinkWindow( HWND hwnd );
extern BOOL WIN_LinkWindow( HWND hwnd, HWND hwndInsertAfter );
extern HWND WIN_FindWinToRepaint( HWND hwnd, HQUEUE16 hQueue );
extern BOOL WIN_ResetQueueWindows( WND* wnd, HQUEUE16 hQueue, HQUEUE16 hNew);
extern HWND WIN_FindWinToRepaint( HWND hwnd );
extern BOOL WIN_DestroyThreadWindows( HWND hwnd );
extern BOOL WIN_CreateDesktopWindow(void);
extern HWND WIN_GetTopParent( HWND hwnd );
extern WND* WIN_GetTopParentPtr( WND* pWnd );

29
server/queue.c
View File

@ -69,6 +69,7 @@ struct msg_queue
unsigned int wake_mask; /* wakeup mask */
unsigned int changed_bits; /* changed wakeup bits */
unsigned int changed_mask; /* changed wakeup mask */
int paint_count; /* pending paint messages count */
struct message_list msg_list[NB_MSG_KINDS]; /* lists of messages */
struct message_result *send_result; /* stack of sent messages waiting for result */
struct message_result *recv_result; /* stack of received messages waiting for result */
@ -114,6 +115,7 @@ static struct msg_queue *create_msg_queue( struct thread *thread )
queue->wake_mask = 0;
queue->changed_bits = 0;
queue->changed_mask = 0;
queue->paint_count = 0;
queue->send_result = NULL;
queue->recv_result = NULL;
queue->first_timer = NULL;
@ -581,18 +583,27 @@ DECL_HANDLER(get_msg_queue)
}
/* set the message queue wake bits */
DECL_HANDLER(set_queue_bits)
/* increment the message queue paint count */
DECL_HANDLER(inc_queue_paint_count)
{
struct msg_queue *queue = (struct msg_queue *)get_handle_obj( current->process, req->handle,
0, &msg_queue_ops );
if (queue)
struct msg_queue *queue;
struct thread *thread = get_thread_from_id( req->id );
if (!thread) return;
if ((queue = thread->queue))
{
req->changed_mask = queue->changed_mask;
if (!req->mask_cond || (queue->changed_mask & req->mask_cond))
change_queue_bits( queue, req->set, req->clear );
release_object( queue );
if ((queue->paint_count += req->incr) < 0) queue->paint_count = 0;
if (queue->paint_count)
change_queue_bits( queue, QS_PAINT, 0 );
else
change_queue_bits( queue, 0, QS_PAINT );
}
else set_error( STATUS_INVALID_PARAMETER );
release_object( thread );
}

4
server/request.h
View File

@ -170,7 +170,7 @@ DECL_HANDLER(find_atom);
DECL_HANDLER(get_atom_name);
DECL_HANDLER(init_atom_table);
DECL_HANDLER(get_msg_queue);
DECL_HANDLER(set_queue_bits);
DECL_HANDLER(inc_queue_paint_count);
DECL_HANDLER(set_queue_mask);
DECL_HANDLER(get_queue_status);
DECL_HANDLER(wait_input_idle);
@ -294,7 +294,7 @@ static const req_handler req_handlers[REQ_NB_REQUESTS] =
(req_handler)req_get_atom_name,
(req_handler)req_init_atom_table,
(req_handler)req_get_msg_queue,
(req_handler)req_set_queue_bits,
(req_handler)req_inc_queue_paint_count,
(req_handler)req_set_queue_mask,
(req_handler)req_get_queue_status,
(req_handler)req_wait_input_idle,

19
server/trace.c
View File

@ -1414,17 +1414,10 @@ static void dump_get_msg_queue_reply( const struct get_msg_queue_request *req )
fprintf( stderr, " handle=%d", req->handle );
}
static void dump_set_queue_bits_request( const struct set_queue_bits_request *req )
static void dump_inc_queue_paint_count_request( const struct inc_queue_paint_count_request *req )
{
fprintf( stderr, " handle=%d,", req->handle );
fprintf( stderr, " set=%08x,", req->set );
fprintf( stderr, " clear=%08x,", req->clear );
fprintf( stderr, " mask_cond=%08x", req->mask_cond );
}
static void dump_set_queue_bits_reply( const struct set_queue_bits_request *req )
{
fprintf( stderr, " changed_mask=%08x", req->changed_mask );
fprintf( stderr, " id=%p,", req->id );
fprintf( stderr, " incr=%d", req->incr );
}
static void dump_set_queue_mask_request( const struct set_queue_mask_request *req )
@ -1703,7 +1696,7 @@ static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_get_atom_name_request,
(dump_func)dump_init_atom_table_request,
(dump_func)dump_get_msg_queue_request,
(dump_func)dump_set_queue_bits_request,
(dump_func)dump_inc_queue_paint_count_request,
(dump_func)dump_set_queue_mask_request,
(dump_func)dump_get_queue_status_request,
(dump_func)dump_wait_input_idle_request,
@ -1824,7 +1817,7 @@ static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_get_atom_name_reply,
(dump_func)0,
(dump_func)dump_get_msg_queue_reply,
(dump_func)dump_set_queue_bits_reply,
(dump_func)0,
(dump_func)dump_set_queue_mask_reply,
(dump_func)dump_get_queue_status_reply,
(dump_func)dump_wait_input_idle_reply,
@ -1945,7 +1938,7 @@ static const char * const req_names[REQ_NB_REQUESTS] = {
"get_atom_name",
"init_atom_table",
"get_msg_queue",
"set_queue_bits",
"inc_queue_paint_count",
"set_queue_mask",
"get_queue_status",
"wait_input_idle",

13
windows/message.c
View File

@ -767,7 +767,6 @@ static BOOL MSG_PeekMessage( int type, LPMSG msg_out, HWND hwnd,
{
int mask;
MESSAGEQUEUE *msgQueue;
HQUEUE16 hQueue = GetFastQueue16();
int iWndsLocks;
QMSG qmsg;
@ -820,7 +819,7 @@ static BOOL MSG_PeekMessage( int type, LPMSG msg_out, HWND hwnd,
/* need to fill the window handle for WM_PAINT message */
if (qmsg.msg.message == WM_PAINT)
{
if ((qmsg.msg.hwnd = WIN_FindWinToRepaint( hwnd, hQueue )))
if ((qmsg.msg.hwnd = WIN_FindWinToRepaint( hwnd )))
{
if (IsIconic( qmsg.msg.hwnd ) && GetClassLongA( qmsg.msg.hwnd, GCL_HICON ))
{
@ -856,7 +855,7 @@ static BOOL MSG_PeekMessage( int type, LPMSG msg_out, HWND hwnd,
WIN_RestoreWndsLock(iWndsLocks);
if ((msgQueue = QUEUE_Lock( hQueue )))
if ((msgQueue = QUEUE_Lock( GetFastQueue16() )))
{
msgQueue->GetMessageTimeVal = qmsg.msg.time;
msgQueue->GetMessagePosVal = MAKELONG( qmsg.msg.pt.x, qmsg.msg.pt.y );
@ -1992,7 +1991,8 @@ LONG WINAPI DispatchMessage16( const MSG16* msg )
msg->hwnd);
wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
/* Validate the update region to avoid infinite WM_PAINT loop */
ValidateRect( msg->hwnd, NULL );
RedrawWindow( wndPtr->hwndSelf, NULL, 0,
RDW_NOFRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT );
}
END:
WIN_ReleaseWndPtr(wndPtr);
@ -2079,7 +2079,7 @@ LONG WINAPI DispatchMessageA( const MSG* msg )
wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
/* Validate the update region to avoid infinite WM_PAINT loop */
RedrawWindow( wndPtr->hwndSelf, NULL, 0,
RDW_FRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT );
RDW_NOFRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT );
}
END:
WIN_ReleaseWndPtr(wndPtr);
@ -2161,7 +2161,8 @@ LONG WINAPI DispatchMessageW( const MSG* msg )
msg->hwnd);
wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
/* Validate the update region to avoid infinite WM_PAINT loop */
ValidateRect( msg->hwnd, NULL );
RedrawWindow( wndPtr->hwndSelf, NULL, 0,
RDW_NOFRAME | RDW_VALIDATE | RDW_NOCHILDREN | RDW_NOINTERNALPAINT );
}
END:
WIN_ReleaseWndPtr(wndPtr);

30
windows/painting.c
View File

@ -10,6 +10,7 @@
#include "wingdi.h"
#include "wine/winuser16.h"
#include "wine/unicode.h"
#include "server.h"
#include "region.h"
#include "user.h"
#include "win.h"
@ -46,6 +47,23 @@ DECLARE_DEBUG_CHANNEL(nonclient);
#define CTLCOLOR_MAX CTLCOLOR_STATIC
/***********************************************************************
* add_paint_count
*
* Add an increment (normally 1 or -1) to the current paint count of a window.
*/
static void add_paint_count( HWND hwnd, int incr )
{
SERVER_START_REQ( inc_queue_paint_count )
{
req->id = (void *)GetWindowThreadProcessId( hwnd, NULL );
req->incr = incr;
SERVER_CALL();
}
SERVER_END_REQ;
}
/***********************************************************************
* WIN_HaveToDelayNCPAINT
*
@ -210,7 +228,7 @@ static HRGN WIN_UpdateNCRgn(WND* wnd, HRGN hRgn, UINT uncFlags )
DeleteObject( wnd->hrgnUpdate );
wnd->hrgnUpdate = 0;
if(!(wnd->flags & WIN_INTERNAL_PAINT))
QUEUE_DecPaintCount( wnd->hmemTaskQ );
add_paint_count( wnd->hwndSelf, -1 );
wnd->flags &= ~WIN_NEEDS_ERASEBKGND;
}
@ -325,7 +343,7 @@ HDC WINAPI BeginPaint( HWND hwnd, PAINTSTRUCT *lps )
}
if( ((hrgnUpdate = wndPtr->hrgnUpdate) != 0) || (wndPtr->flags & WIN_INTERNAL_PAINT))
QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
add_paint_count( hwnd, -1 );
wndPtr->hrgnUpdate = 0;
wndPtr->flags &= ~WIN_INTERNAL_PAINT;
@ -605,7 +623,7 @@ static void RDW_UpdateRgns( WND* wndPtr, HRGN hRgn, UINT flags, BOOL firstRecurs
hRgn = wndPtr->hrgnUpdate; /* this is a trick that depends on code in PAINT_RedrawWindow() */
if( !bHadOne && !(wndPtr->flags & WIN_INTERNAL_PAINT) )
QUEUE_IncPaintCount( wndPtr->hmemTaskQ );
add_paint_count( wndPtr->hwndSelf, 1 );
if (flags & RDW_FRAME) wndPtr->flags |= WIN_NEEDS_NCPAINT;
if (flags & RDW_ERASE) wndPtr->flags |= WIN_NEEDS_ERASEBKGND;
@ -637,7 +655,7 @@ static void RDW_UpdateRgns( WND* wndPtr, HRGN hRgn, UINT flags, BOOL firstRecurs
{
wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
if( !(wndPtr->flags & WIN_INTERNAL_PAINT) )
QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
add_paint_count( wndPtr->hwndSelf, -1 );
}
}
@ -711,13 +729,13 @@ end:
if (flags & RDW_INTERNALPAINT)
{
if ( !wndPtr->hrgnUpdate && !(wndPtr->flags & WIN_INTERNAL_PAINT))
QUEUE_IncPaintCount( wndPtr->hmemTaskQ );
add_paint_count( wndPtr->hwndSelf, 1 );
wndPtr->flags |= WIN_INTERNAL_PAINT;
}
else if (flags & RDW_NOINTERNALPAINT)
{
if ( !wndPtr->hrgnUpdate && (wndPtr->flags & WIN_INTERNAL_PAINT))
QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
add_paint_count( wndPtr->hwndSelf, -1 );
wndPtr->flags &= ~WIN_INTERNAL_PAINT;
}
}

94
windows/queue.c
View File

@ -579,38 +579,6 @@ static void process_sent_messages(void)
/***********************************************************************
* QUEUE_SetWakeBit
*
* See "Windows Internals", p.449
*/
void QUEUE_SetWakeBit( MESSAGEQUEUE *queue, WORD set, WORD clear )
{
TRACE_(msg)("queue = %04x, set = %04x, clear = %04x\n",
queue->self, set, clear );
if (!queue->server_queue) return;
SERVER_START_REQ( set_queue_bits )
{
req->handle = queue->server_queue;
req->set = set;
req->clear = clear;
req->mask_cond = 0;
SERVER_CALL();
}
SERVER_END_REQ;
}
/***********************************************************************
* QUEUE_ClearWakeBit
*/
void QUEUE_ClearWakeBit( MESSAGEQUEUE *queue, WORD bit )
{
QUEUE_SetWakeBit( queue, 0, bit );
}
/***********************************************************************
* QUEUE_WaitBits
*
@ -723,35 +691,6 @@ BOOL QUEUE_FindMsg( HWND hwnd, UINT first, UINT last, BOOL remove, QMSG *msg )
/***********************************************************************
* QUEUE_RemoveMsg
*
* Remove a message from the queue (pos must be a valid position).
*/
void QUEUE_RemoveMsg( MESSAGEQUEUE * msgQueue, QMSG *qmsg )
{
EnterCriticalSection( &msgQueue->cSection );
/* set the linked list */
if (qmsg->prevMsg)
qmsg->prevMsg->nextMsg = qmsg->nextMsg;
if (qmsg->nextMsg)
qmsg->nextMsg->prevMsg = qmsg->prevMsg;
if (msgQueue->firstMsg == qmsg)
msgQueue->firstMsg = qmsg->nextMsg;
if (msgQueue->lastMsg == qmsg)
msgQueue->lastMsg = qmsg->prevMsg;
/* deallocate the memory for the message */
HeapFree( GetProcessHeap(), 0, qmsg );
LeaveCriticalSection( &msgQueue->cSection );
}
/***********************************************************************
* QUEUE_CleanupWindow
*
@ -787,39 +726,6 @@ HTASK16 QUEUE_GetQueueTask( HQUEUE16 hQueue )
}
/***********************************************************************
* QUEUE_IncPaintCount
*/
void QUEUE_IncPaintCount( HQUEUE16 hQueue )
{
MESSAGEQUEUE *queue;
if (!(queue = QUEUE_Lock( hQueue ))) return;
EnterCriticalSection( &queue->cSection );
queue->wPaintCount++;
LeaveCriticalSection( &queue->cSection );
QUEUE_SetWakeBit( queue, QS_PAINT, 0 );
QUEUE_Unlock( queue );
}
/***********************************************************************
* QUEUE_DecPaintCount
*/
void QUEUE_DecPaintCount( HQUEUE16 hQueue )
{
MESSAGEQUEUE *queue;
if (!(queue = QUEUE_Lock( hQueue ))) return;
EnterCriticalSection( &queue->cSection );
queue->wPaintCount--;
if (!queue->wPaintCount) QUEUE_ClearWakeBit( queue, QS_PAINT );
LeaveCriticalSection( &queue->cSection );
QUEUE_Unlock( queue );
}
/***********************************************************************
* PostQuitMessage (USER.6)
*/

89
windows/win.c
View File

@ -349,7 +349,7 @@ BOOL WIN_LinkWindow( HWND hwnd, HWND hwndInsertAfter )
*
* Find a window that needs repaint.
*/
HWND WIN_FindWinToRepaint( HWND hwnd, HQUEUE16 hQueue )
HWND WIN_FindWinToRepaint( HWND hwnd )
{
HWND hwndRet;
WND *pWnd;
@ -369,12 +369,12 @@ HWND WIN_FindWinToRepaint( HWND hwnd, HQUEUE16 hQueue )
TRACE("skipping window %04x\n",
pWnd->hwndSelf );
}
else if ((pWnd->hmemTaskQ == hQueue) &&
(pWnd->hrgnUpdate || (pWnd->flags & WIN_INTERNAL_PAINT)))
else if ((pWnd->hrgnUpdate || (pWnd->flags & WIN_INTERNAL_PAINT)) &&
GetWindowThreadProcessId( pWnd->hwndSelf, NULL ) == GetCurrentThreadId())
break;
else if (pWnd->child )
if ((hwndRet = WIN_FindWinToRepaint( pWnd->child->hwndSelf, hQueue )) )
if ((hwndRet = WIN_FindWinToRepaint( pWnd->child->hwndSelf )) )
{
WIN_ReleaseWndPtr(pWnd);
return hwndRet;
@ -430,15 +430,8 @@ static WND* WIN_DestroyWindow( WND* wndPtr )
* Clear the update region to make sure no WM_PAINT messages will be
* generated for this window while processing the WM_NCDESTROY.
*/
if ((wndPtr->hrgnUpdate) || (wndPtr->flags & WIN_INTERNAL_PAINT))
{
if (wndPtr->hrgnUpdate > 1)
DeleteObject( wndPtr->hrgnUpdate );
QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
wndPtr->hrgnUpdate = 0;
}
RedrawWindow( wndPtr->hwndSelf, NULL, 0,
RDW_VALIDATE | RDW_NOFRAME | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_NOCHILDREN);
/*
* Send the WM_NCDESTROY to the window being destroyed.
@ -484,58 +477,38 @@ static WND* WIN_DestroyWindow( WND* wndPtr )
}
/***********************************************************************
* WIN_ResetQueueWindows
* WIN_DestroyThreadWindows
*
* Reset the queue of all the children of a given window.
* Destroy all children of 'wnd' owned by the current thread.
* Return TRUE if something was done.
*/
BOOL WIN_ResetQueueWindows( WND* wnd, HQUEUE16 hQueue, HQUEUE16 hNew )
BOOL WIN_DestroyThreadWindows( HWND hwnd )
{
BOOL ret = FALSE;
WND *wnd = WIN_FindWndPtr( hwnd );
if (hNew) /* Set a new queue */
if (!wnd) return FALSE;
while (wnd->child)
{
for (wnd = WIN_LockWndPtr(wnd->child); (wnd);WIN_UpdateWndPtr(&wnd,wnd->next))
WND *tmp = WIN_LockWndPtr(wnd->child);
ret = FALSE;
while (tmp)
{
if (wnd->hmemTaskQ == hQueue)
if (GetWindowThreadProcessId( tmp->hwndSelf, NULL ) == GetCurrentThreadId())
{
wnd->hmemTaskQ = hNew;
DestroyWindow( tmp->hwndSelf );
ret = TRUE;
break;
}
if (wnd->child)
{
ret |= WIN_ResetQueueWindows( wnd, hQueue, hNew );
}
}
}
else /* Queue is being destroyed */
{
while (wnd->child)
{
WND *tmp = WIN_LockWndPtr(wnd->child);
WND *tmp2;
ret = FALSE;
while (tmp)
{
if (tmp->hmemTaskQ == hQueue)
{
DestroyWindow( tmp->hwndSelf );
ret = TRUE;
break;
}
tmp2 = WIN_LockWndPtr(tmp->child);
if (tmp2 && WIN_ResetQueueWindows(tmp2,hQueue,0))
ret = TRUE;
else
{
WIN_UpdateWndPtr(&tmp,tmp->next);
}
WIN_ReleaseWndPtr(tmp2);
}
WIN_ReleaseWndPtr(tmp);
if (!ret) break;
if (tmp->child && WIN_DestroyThreadWindows( tmp->hwndSelf ))
ret = TRUE;
else
WIN_UpdateWndPtr(&tmp,tmp->next);
}
WIN_ReleaseWndPtr(tmp);
if (!ret) break;
}
WIN_ReleaseWndPtr( wnd );
return ret;
}
@ -1938,11 +1911,9 @@ static LONG WIN_SetWindowLong( HWND hwnd, INT offset, LONG newval,
case GWL_STYLE:
style.styleOld = wndPtr->dwStyle;
style.styleNew = newval;
if (wndPtr->flags & WIN_ISWIN32)
SendMessageA(hwnd,WM_STYLECHANGING,GWL_STYLE,(LPARAM)&style);
SendMessageA(hwnd,WM_STYLECHANGING,GWL_STYLE,(LPARAM)&style);
wndPtr->dwStyle = style.styleNew;
if (wndPtr->flags & WIN_ISWIN32)
SendMessageA(hwnd,WM_STYLECHANGED,GWL_STYLE,(LPARAM)&style);
SendMessageA(hwnd,WM_STYLECHANGED,GWL_STYLE,(LPARAM)&style);
retval = style.styleOld;
goto end;
@ -1952,11 +1923,9 @@ static LONG WIN_SetWindowLong( HWND hwnd, INT offset, LONG newval,
case GWL_EXSTYLE:
style.styleOld = wndPtr->dwExStyle;
style.styleNew = newval;
if (wndPtr->flags & WIN_ISWIN32)
SendMessageA(hwnd,WM_STYLECHANGING,GWL_EXSTYLE,(LPARAM)&style);
SendMessageA(hwnd,WM_STYLECHANGING,GWL_EXSTYLE,(LPARAM)&style);
wndPtr->dwExStyle = newval;
if (wndPtr->flags & WIN_ISWIN32)
SendMessageA(hwnd,WM_STYLECHANGED,GWL_EXSTYLE,(LPARAM)&style);
SendMessageA(hwnd,WM_STYLECHANGED,GWL_EXSTYLE,(LPARAM)&style);
retval = style.styleOld;
goto end;