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Added management and allocation of the PERQUEUEDATA structure.

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This commit is contained in:
Noel Borthwick 1999-02-05 10:37:53 +00:00 committed by Alexandre Julliard
parent 4ef9251911
commit b427856b45
11 changed files with 706 additions and 82 deletions
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1
include/message.h
View file

@ -59,7 +59,6 @@ extern BOOL32 EVENT_Pending(void);
/* input.c */
extern HWND32 EVENT_Capture( HWND32, INT16 );
extern INT16 EVENT_GetCaptureInfo(void);
extern BOOL32 EVENT_QueryPointer( DWORD *posX, DWORD *posY, DWORD *state );
extern void joySendMessages(void);

35
include/queue.h
View file

@ -28,17 +28,26 @@ typedef struct
BOOL16 bPending;
} QSMCTRL;
/* Per-queue system windows */
/* Per-queue data for the message queue
* Note that we currently only store the current values for
* Active, Capture and Focus windows currently.
* It might be necessary to store a pointer to the system message queue
* as well since windows 9x maintains per thread system message queues
*/
typedef struct tagPERQUEUEDATA
{
HWND32 hWndCapture;
HWND32 hWndFocus;
HWND32 hWndActive;
HWND32 hWndFocus; /* Focus window */
HWND32 hWndActive; /* Active window */
HWND32 hWndCapture; /* Capture window */
INT16 nCaptureHT; /* Capture info (hit-test) */
ULONG ulRefCount; /* Reference count */
CRITICAL_SECTION cSection; /* Critical section for thread safe access */
} PERQUEUEDATA;
/* Message queue */
typedef struct tagMESSAGEQUEUE
{
HQUEUE16 next; /* NNext queue */
HQUEUE16 next; /* Next queue */
HQUEUE16 self; /* Handle to self (was: reserved) */
THDB* thdb; /* Thread owning queue */
HANDLE32 hEvent; /* Event handle */
@ -84,7 +93,7 @@ typedef struct tagMESSAGEQUEUE
HANDLE16 hCurHook; /* Current hook */
HANDLE16 hooks[WH_NB_HOOKS]; /* Task hooks list */
HANDLE16 hPerQueue; /* handle on PERQUEUEDATA structure */
PERQUEUEDATA *pQData; /* pointer to (shared) PERQUEUEDATA structure */
} MESSAGEQUEUE;
@ -99,6 +108,20 @@ typedef struct tagMESSAGEQUEUE
#define QUEUE_MAGIC 0xD46E80AF
/* Per queue data management methods */
PERQUEUEDATA* PERQDATA_CreateInstance( );
ULONG PERQDATA_Addref( PERQUEUEDATA* pQData );
ULONG PERQDATA_Release( PERQUEUEDATA* pQData );
HWND32 PERQDATA_GetFocusWnd( PERQUEUEDATA *pQData );
HWND32 PERQDATA_SetFocusWnd( PERQUEUEDATA *pQData, HWND32 hWndFocus );
HWND32 PERQDATA_GetActiveWnd( PERQUEUEDATA *pQData );
HWND32 PERQDATA_SetActiveWnd( PERQUEUEDATA *pQData, HWND32 hWndActive );
HWND32 PERQDATA_GetCaptureWnd( PERQUEUEDATA *pQData );
HWND32 PERQDATA_SetCaptureWnd( PERQUEUEDATA *pQData, HWND32 hWndCapture );
INT16 PERQDATA_GetCaptureInfo( PERQUEUEDATA *pQData );
INT16 PERQDATA_SetCaptureInfo( PERQUEUEDATA *pQData, INT16 nCaptureHT );
/* Message queue management methods */
extern MESSAGEQUEUE *QUEUE_Lock( HQUEUE16 hQueue );
extern void QUEUE_Unlock( MESSAGEQUEUE *queue );
extern void QUEUE_DumpQueue( HQUEUE16 hQueue );

4
include/win.h
View file

@ -11,6 +11,8 @@
#include "ldt.h"
#include "windows.h"
#include "winproc.h"
#include "queue.h"
#define WND_MAGIC 0x444e4957 /* 'WIND' */
@ -172,6 +174,6 @@ extern HWND32 ICONTITLE_Create( WND* );
extern BOOL32 ICONTITLE_Init( void );
/* windows/focus.c */
extern void FOCUS_SwitchFocus( HWND32 , HWND32 );
extern void FOCUS_SwitchFocus( MESSAGEQUEUE *pMsgQ, HWND32 , HWND32 );
#endif /* __WINE_WIN_H */

2
include/winpos.h
View file

@ -41,7 +41,7 @@ extern LONG WINPOS_SendNCCalcSize(HWND32 hwnd, BOOL32 calcValidRect,
extern LONG WINPOS_HandleWindowPosChanging16(WND *wndPtr, WINDOWPOS16 *winpos);
extern LONG WINPOS_HandleWindowPosChanging32(WND *wndPtr, WINDOWPOS32 *winpos);
extern INT16 WINPOS_WindowFromPoint( WND* scopeWnd, POINT16 pt, WND **ppWnd );
extern void WINPOS_CheckInternalPos( HWND32 hwnd );
extern void WINPOS_CheckInternalPos( WND* wndPtr );
extern BOOL32 WINPOS_ActivateOtherWindow(WND* pWnd);
extern BOOL32 WINPOS_CreateInternalPosAtom(void);

76
scheduler/thread.c
View file

@ -20,6 +20,8 @@
#include "server.h"
#include "stackframe.h"
#include "debug.h"
#include "queue.h"
#include "hook.h"
#ifndef __i386__
THDB *pCurrentThread;
@ -788,25 +790,79 @@ BOOL32 WINAPI GetThreadTimes(
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* TODO:
* 1. Reset the Key State (currenly per thread key state is not maintained)
*/
BOOL32 WINAPI AttachThreadInput(
DWORD idAttach, /* [in] Thread to attach */
DWORD idAttachTo, /* [in] Thread to attach to */
BOOL32 fAttach) /* [in] Attach or detach */
{
BOOL32 ret;
MESSAGEQUEUE *pSrcMsgQ = 0, *pTgtMsgQ = 0;
BOOL16 bRet = 0;
FIXME(thread, "(0x%08lx,0x%08lx,%d): stub\n",idAttach,idAttachTo,fAttach);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
if (fAttach) {
/* Attach threads */
ret = FALSE;
/* A thread cannot attach to itself */
if ( idAttach == idAttachTo )
goto CLEANUP;
/* According to the docs this method should fail if a
* "Journal record" hook is installed. (attaches all input queues together)
*/
if ( HOOK_IsHooked( WH_JOURNALRECORD ) )
goto CLEANUP;
/* Retrieve message queues corresponding to the thread id's */
pTgtMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetThreadQueue( idAttach ) );
pSrcMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetThreadQueue( idAttachTo ) );
/* Ensure we have message queues and that Src and Tgt threads
* are not system threads.
*/
if ( !pSrcMsgQ || !pTgtMsgQ || !pSrcMsgQ->pQData || !pTgtMsgQ->pQData )
goto CLEANUP;
if (fAttach) /* Attach threads */
{
/* Only attach if currently detached */
if ( pTgtMsgQ->pQData != pSrcMsgQ->pQData )
{
/* First release the target threads perQData */
PERQDATA_Release( pTgtMsgQ->pQData );
/* Share a reference to the source threads perQDATA */
PERQDATA_Addref( pSrcMsgQ->pQData );
pTgtMsgQ->pQData = pSrcMsgQ->pQData;
}
}
else {
/* Detach threads */
ret = FALSE;
};
return ret;
else /* Detach threads */
{
/* Only detach if currently attached */
if ( pTgtMsgQ->pQData == pSrcMsgQ->pQData )
{
/* First release the target threads perQData */
PERQDATA_Release( pTgtMsgQ->pQData );
/* Give the target thread its own private perQDATA once more */
pTgtMsgQ->pQData = PERQDATA_CreateInstance();
}
}
/* TODO: Reset the Key State */
bRet = 1; // Success
CLEANUP:
/* Unlock the queues before returning */
if ( pSrcMsgQ )
QUEUE_Unlock( pSrcMsgQ );
if ( pTgtMsgQ )
QUEUE_Unlock( pTgtMsgQ );
return bRet;
}
/**********************************************************************

108
windows/focus.c
View file

@ -11,17 +11,20 @@
#include "winpos.h"
#include "hook.h"
#include "message.h"
#include "task.h"
#include "debug.h"
static HWND32 hwndFocus = 0;
/*****************************************************************
* FOCUS_SwitchFocus
* pMsgQ is the queue whose perQData focus is to be modified
*/
void FOCUS_SwitchFocus( HWND32 hFocusFrom, HWND32 hFocusTo )
void FOCUS_SwitchFocus( MESSAGEQUEUE *pMsgQ, HWND32 hFocusFrom, HWND32 hFocusTo )
{
WND *pFocusTo = WIN_FindWndPtr( hFocusTo );
hwndFocus = hFocusTo;
PERQDATA_SetFocusWnd( pMsgQ->pQData, hFocusTo );
#if 0
if (hFocusFrom) SendMessage32A( hFocusFrom, WM_KILLFOCUS, hFocusTo, 0 );
#else
@ -29,7 +32,8 @@ void FOCUS_SwitchFocus( HWND32 hFocusFrom, HWND32 hFocusTo )
* intertask at this time */
if (hFocusFrom) SendMessage16( hFocusFrom, WM_KILLFOCUS, hFocusTo, 0 );
#endif
if( !pFocusTo || hFocusTo != hwndFocus )
if( !pFocusTo || hFocusTo != PERQDATA_GetFocusWnd( pMsgQ->pQData ) )
return;
/* According to API docs, the WM_SETFOCUS message is sent AFTER the window
@ -59,8 +63,17 @@ HWND16 WINAPI SetFocus16( HWND16 hwnd )
*/
HWND32 WINAPI SetFocus32( HWND32 hwnd )
{
HWND32 hWndPrevFocus, hwndTop = hwnd;
HWND32 hWndFocus = 0, hwndTop = hwnd;
WND *wndPtr = WIN_FindWndPtr( hwnd );
MESSAGEQUEUE *pMsgQ = 0, *pCurMsgQ = 0;
BOOL16 bRet = 0;
/* Get the messageQ for the current thread */
if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue() )))
{
WARN( win, "\tCurrent message queue not found. Exiting!\n" );
goto CLEANUP;
}
if (wndPtr)
{
@ -69,35 +82,79 @@ HWND32 WINAPI SetFocus32( HWND32 hwnd )
while ( (wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) == WS_CHILD )
{
if ( wndPtr->dwStyle & ( WS_MINIMIZE | WS_DISABLED) )
return 0;
if (!(wndPtr = wndPtr->parent)) return 0;
goto CLEANUP;
if (!(wndPtr = wndPtr->parent)) goto CLEANUP;
hwndTop = wndPtr->hwndSelf;
}
if( hwnd == hwndFocus ) return hwnd;
/* Retrieve the message queue associated with this window */
pMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( wndPtr->hmemTaskQ );
if ( !pMsgQ )
{
WARN( win, "\tMessage queue not found. Exiting!\n" );
goto CLEANUP;
}
/* Make sure that message queue for the window we are setting focus to
* shares the same perQ data as the current threads message queue.
* In other words you can't set focus to a window owned by a different
* thread unless AttachThreadInput has been called previously.
* (see AttachThreadInput and SetFocus docs)
*/
if ( pCurMsgQ->pQData != pMsgQ->pQData )
goto CLEANUP;
/* Get the current focus window from the perQ data */
hWndFocus = PERQDATA_GetFocusWnd( pMsgQ->pQData );
if( hwnd == hWndFocus )
{
bRet = 1; // Success
goto CLEANUP; // Nothing to do
}
/* call hooks */
if( HOOK_CallHooks16( WH_CBT, HCBT_SETFOCUS, (WPARAM16)hwnd,
(LPARAM)hwndFocus) )
return 0;
(LPARAM)hWndFocus) )
goto CLEANUP;
/* activate hwndTop if needed. */
if (hwndTop != GetActiveWindow32())
{
if (!WINPOS_SetActiveWindow(hwndTop, 0, 0)) return 0;
if (!WINPOS_SetActiveWindow(hwndTop, 0, 0)) goto CLEANUP;
if (!IsWindow32( hwnd )) return 0; /* Abort if window destroyed */
if (!IsWindow32( hwnd )) goto CLEANUP; /* Abort if window destroyed */
}
/* Get the current focus window from the perQ data */
hWndFocus = PERQDATA_GetFocusWnd( pMsgQ->pQData );
/* Change focus and send messages */
FOCUS_SwitchFocus( pMsgQ, hWndFocus, hwnd );
}
else if( HOOK_CallHooks16( WH_CBT, HCBT_SETFOCUS, 0, (LPARAM)hwndFocus ) )
return 0;
else /* NULL hwnd passed in */
{
if( HOOK_CallHooks16( WH_CBT, HCBT_SETFOCUS, 0, (LPARAM)hWndFocus ) )
goto CLEANUP;
/* Get the current focus from the perQ data of the current message Q */
hWndFocus = PERQDATA_GetFocusWnd( pCurMsgQ->pQData );
/* Change focus and send messages */
hWndPrevFocus = hwndFocus;
FOCUS_SwitchFocus( pCurMsgQ, hWndFocus, hwnd );
}
FOCUS_SwitchFocus( hwndFocus , hwnd );
bRet = 1; // Success
CLEANUP:
return hWndPrevFocus;
/* Unlock the queues before returning */
if ( pMsgQ )
QUEUE_Unlock( pMsgQ );
if ( pCurMsgQ )
QUEUE_Unlock( pCurMsgQ );
return bRet ? hWndFocus : 0;
}
@ -106,7 +163,7 @@ HWND32 WINAPI SetFocus32( HWND32 hwnd )
*/
HWND16 WINAPI GetFocus16(void)
{
return (HWND16)hwndFocus;
return (HWND16)GetFocus32();
}
@ -115,5 +172,20 @@ HWND16 WINAPI GetFocus16(void)
*/
HWND32 WINAPI GetFocus32(void)
{
MESSAGEQUEUE *pCurMsgQ = 0;
HWND32 hwndFocus = 0;
/* Get the messageQ for the current thread */
if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue() )))
{
WARN( win, "\tCurrent message queue not found. Exiting!\n" );
return 0;
}
/* Get the current focus from the perQ data of the current message Q */
hwndFocus = PERQDATA_GetFocusWnd( pCurMsgQ->pQData );
QUEUE_Unlock( pCurMsgQ );
return hwndFocus;
}

82
windows/input.c
View file

@ -27,9 +27,8 @@
#include "debugtools.h"
#include "struct32.h"
#include "winerror.h"
#include "task.h"
static INT16 captureHT = HTCLIENT;
static HWND32 captureWnd = 0;
static BOOL32 InputEnabled = TRUE;
static BOOL32 SwappedButtons = FALSE;
@ -274,7 +273,20 @@ BOOL32 WINAPI SwapMouseButton32( BOOL32 fSwap )
*/
HWND32 EVENT_Capture(HWND32 hwnd, INT16 ht)
{
HWND32 capturePrev = captureWnd;
HWND32 capturePrev = 0, captureWnd = 0;
MESSAGEQUEUE *pMsgQ = 0, *pCurMsgQ = 0;
WND* wndPtr = 0;
INT16 captureHT = 0;
/* Get the messageQ for the current thread */
if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue() )))
{
WARN( win, "\tCurrent message queue not found. Exiting!\n" );
goto CLEANUP;
}
/* Get the current capture window from the perQ data of the current message Q */
capturePrev = PERQDATA_GetCaptureWnd( pCurMsgQ->pQData );
if (!hwnd)
{
@ -283,7 +295,7 @@ HWND32 EVENT_Capture(HWND32 hwnd, INT16 ht)
}
else
{
WND* wndPtr = WIN_FindWndPtr( hwnd );
wndPtr = WIN_FindWndPtr( hwnd );
if (wndPtr)
{
TRACE(win, "(0x%04x)\n", hwnd );
@ -292,22 +304,47 @@ HWND32 EVENT_Capture(HWND32 hwnd, INT16 ht)
}
}
if( capturePrev && capturePrev != captureWnd )
/* Update the perQ capture window and send messages */
if( capturePrev != captureWnd )
{
if (wndPtr)
{
/* Retrieve the message queue associated with this window */
pMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( wndPtr->hmemTaskQ );
if ( !pMsgQ )
{
WARN( win, "\tMessage queue not found. Exiting!\n" );
goto CLEANUP;
}
/* Make sure that message queue for the window we are setting capture to
* shares the same perQ data as the current threads message queue.
*/
if ( pCurMsgQ->pQData != pMsgQ->pQData )
goto CLEANUP;
}
PERQDATA_SetCaptureWnd( pCurMsgQ->pQData, captureWnd );
PERQDATA_SetCaptureInfo( pCurMsgQ->pQData, captureHT );
if( capturePrev )
{
WND* wndPtr = WIN_FindWndPtr( capturePrev );
if( wndPtr && (wndPtr->flags & WIN_ISWIN32) )
SendMessage32A( capturePrev, WM_CAPTURECHANGED, 0L, hwnd);
}
}
CLEANUP:
/* Unlock the queues before returning */
if ( pMsgQ )
QUEUE_Unlock( pMsgQ );
if ( pCurMsgQ )
QUEUE_Unlock( pCurMsgQ );
return capturePrev;
}
/**********************************************************************
* EVENT_GetCaptureInfo
*/
INT16 EVENT_GetCaptureInfo()
{
return captureHT;
}
/**********************************************************************
* SetCapture16 (USER.18)
@ -332,8 +369,7 @@ HWND32 WINAPI SetCapture32( HWND32 hwnd )
*/
void WINAPI ReleaseCapture(void)
{
TRACE(win, "captureWnd=%04x\n", captureWnd );
if( captureWnd ) EVENT_Capture( 0, 0 );
EVENT_Capture( 0, 0 );
}
@ -342,7 +378,7 @@ void WINAPI ReleaseCapture(void)
*/
HWND16 WINAPI GetCapture16(void)
{
return captureWnd;
return (HWND16)GetCapture32();
}
/**********************************************************************
@ -350,7 +386,21 @@ HWND16 WINAPI GetCapture16(void)
*/
HWND32 WINAPI GetCapture32(void)
{
return captureWnd;
MESSAGEQUEUE *pCurMsgQ = 0;
HWND32 hwndCapture = 0;
/* Get the messageQ for the current thread */
if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue() )))
{
TRACE( win, "GetCapture32: Current message queue not found. Exiting!\n" );
return 0;
}
/* Get the current capture window from the perQ data of the current message Q */
hwndCapture = PERQDATA_GetCaptureWnd( pCurMsgQ->pQData );
QUEUE_Unlock( pCurMsgQ );
return hwndCapture;
}
/**********************************************************************

3
windows/message.c
View file

@ -122,7 +122,8 @@ static DWORD MSG_TranslateMouseMsg( HWND16 hTopWnd, DWORD filter,
else
{
pWnd = WIN_FindWndPtr(hWnd);
ht = EVENT_GetCaptureInfo();
if (queue)
ht = PERQDATA_GetCaptureInfo( queue->pQData );
}
/* stop if not the right queue */

288
windows/queue.c
View file

@ -1,5 +1,4 @@
/*
* Message queues related functions
/* * Message queues related functions
*
* Copyright 1993, 1994 Alexandre Julliard
*/
@ -16,6 +15,7 @@
#include "heap.h"
#include "thread.h"
#include "process.h"
#include <assert.h>
#include "debug.h"
#define MAX_QUEUE_SIZE 120 /* Max. size of a message queue */
@ -24,6 +24,7 @@ static HQUEUE16 hFirstQueue = 0;
static HQUEUE16 hExitingQueue = 0;
static HQUEUE16 hmemSysMsgQueue = 0;
static MESSAGEQUEUE *sysMsgQueue = NULL;
static PERQUEUEDATA *pQDataWin16 = NULL; /* Global perQData for Win16 tasks */
static MESSAGEQUEUE *pMouseQueue = NULL; /* Queue for last mouse message */
static MESSAGEQUEUE *pKbdQueue = NULL; /* Queue for last kbd message */
@ -32,10 +33,267 @@ HQUEUE16 hCursorQueue = 0;
HQUEUE16 hActiveQueue = 0;
/***********************************************************************
* PERQDATA_CreateInstance
*
* Creates an instance of a reference counted PERQUEUEDATA element
* for the message queue. perQData is stored globally for 16 bit tasks.
*
* Note: We don't implement perQdata exactly the same way Windows does.
* Each perQData element is reference counted since it may be potentially
* shared by multiple message Queues (via AttachThreadInput).
* We only store the current values for Active, Capture and focus windows
* currently.
*/
PERQUEUEDATA * PERQDATA_CreateInstance( )
{
PERQUEUEDATA *pQData;
BOOL16 bIsWin16 = 0;
TRACE(msg,"()\n");
/* Share a single instance of perQData for all 16 bit tasks */
if ( ( bIsWin16 = THREAD_IsWin16( THREAD_Current() ) ) )
{
/* If previously allocated, just bump up ref count */
if ( pQDataWin16 )
{
PERQDATA_Addref( pQDataWin16 );
return pQDataWin16;
}
}
/* Allocate PERQUEUEDATA from the system heap */
if (!( pQData = (PERQUEUEDATA *) HeapAlloc( SystemHeap, 0,
sizeof(PERQUEUEDATA) ) ))
return 0;
/* Initialize */
pQData->hWndCapture = pQData->hWndFocus = pQData->hWndActive = 0;
pQData->ulRefCount = 1;
pQData->nCaptureHT = HTCLIENT;
/* Note: We have an independent critical section for the per queue data
* since this may be shared by different threads. see AttachThreadInput()
*/
InitializeCriticalSection( &pQData->cSection );
/* Save perQData globally for 16 bit tasks */
if ( bIsWin16 )
pQDataWin16 = pQData;
return pQData;
}
/***********************************************************************
* PERQDATA_Addref
*
* Increment reference count for the PERQUEUEDATA instance
* Returns reference count for debugging purposes
*/
ULONG PERQDATA_Addref( PERQUEUEDATA *pQData )
{
assert(pQData != 0 );
TRACE(msg,"(): current refcount %lu ...\n", pQData->ulRefCount);
EnterCriticalSection( &pQData->cSection );
++pQData->ulRefCount;
LeaveCriticalSection( &pQData->cSection );
return pQData->ulRefCount;
}
/***********************************************************************
* PERQDATA_Release
*
* Release a reference to a PERQUEUEDATA instance.
* Destroy the instance if no more references exist
* Returns reference count for debugging purposes
*/
ULONG PERQDATA_Release( PERQUEUEDATA *pQData )
{
assert(pQData != 0 );
TRACE(msg,"(): current refcount %lu ...\n",
(LONG)pQData->ulRefCount );
EnterCriticalSection( &pQData->cSection );
if ( --pQData->ulRefCount == 0 )
{
LeaveCriticalSection( &pQData->cSection );
DeleteCriticalSection( &pQData->cSection );
TRACE(msg,"(): deleting PERQUEUEDATA instance ...\n" );
/* Deleting our global 16 bit perQData? */
if ( pQData == pQDataWin16 )
pQDataWin16 = 0;
/* Free the PERQUEUEDATA instance */
HeapFree( SystemHeap, 0, pQData );
return 0;
}
LeaveCriticalSection( &pQData->cSection );
return pQData->ulRefCount;
}
/***********************************************************************
* PERQDATA_GetFocusWnd
*
* Get the focus hwnd member in a threadsafe manner
*/
HWND32 PERQDATA_GetFocusWnd( PERQUEUEDATA *pQData )
{
HWND32 hWndFocus;
assert(pQData != 0 );
EnterCriticalSection( &pQData->cSection );
hWndFocus = pQData->hWndFocus;
LeaveCriticalSection( &pQData->cSection );
return hWndFocus;
}
/***********************************************************************
* PERQDATA_SetFocusWnd
*
* Set the focus hwnd member in a threadsafe manner
*/
HWND32 PERQDATA_SetFocusWnd( PERQUEUEDATA *pQData, HWND32 hWndFocus )
{
HWND32 hWndFocusPrv;
assert(pQData != 0 );
EnterCriticalSection( &pQData->cSection );
hWndFocusPrv = pQData->hWndFocus;
pQData->hWndFocus = hWndFocus;
LeaveCriticalSection( &pQData->cSection );
return hWndFocusPrv;
}
/***********************************************************************
* PERQDATA_GetActiveWnd
*
* Get the active hwnd member in a threadsafe manner
*/
HWND32 PERQDATA_GetActiveWnd( PERQUEUEDATA *pQData )
{
HWND32 hWndActive;
assert(pQData != 0 );
EnterCriticalSection( &pQData->cSection );
hWndActive = pQData->hWndActive;
LeaveCriticalSection( &pQData->cSection );
return hWndActive;
}
/***********************************************************************
* PERQDATA_SetActiveWnd
*
* Set the active focus hwnd member in a threadsafe manner
*/
HWND32 PERQDATA_SetActiveWnd( PERQUEUEDATA *pQData, HWND32 hWndActive )
{
HWND32 hWndActivePrv;
assert(pQData != 0 );
EnterCriticalSection( &pQData->cSection );
hWndActivePrv = pQData->hWndActive;
pQData->hWndActive = hWndActive;
LeaveCriticalSection( &pQData->cSection );
return hWndActivePrv;
}
/***********************************************************************
* PERQDATA_GetCaptureWnd
*
* Get the capture hwnd member in a threadsafe manner
*/
HWND32 PERQDATA_GetCaptureWnd( PERQUEUEDATA *pQData )
{
HWND32 hWndCapture;
assert(pQData != 0 );
EnterCriticalSection( &pQData->cSection );
hWndCapture = pQData->hWndCapture;
LeaveCriticalSection( &pQData->cSection );
return hWndCapture;
}
/***********************************************************************
* PERQDATA_SetCaptureWnd
*
* Set the capture hwnd member in a threadsafe manner
*/
HWND32 PERQDATA_SetCaptureWnd( PERQUEUEDATA *pQData, HWND32 hWndCapture )
{
HWND32 hWndCapturePrv;
assert(pQData != 0 );
EnterCriticalSection( &pQData->cSection );
hWndCapturePrv = pQData->hWndCapture;
pQData->hWndCapture = hWndCapture;
LeaveCriticalSection( &pQData->cSection );
return hWndCapturePrv;
}
/***********************************************************************
* PERQDATA_GetCaptureInfo
*
* Get the capture info member in a threadsafe manner
*/
INT16 PERQDATA_GetCaptureInfo( PERQUEUEDATA *pQData )
{
INT16 nCaptureHT;
assert(pQData != 0 );
EnterCriticalSection( &pQData->cSection );
nCaptureHT = pQData->nCaptureHT;
LeaveCriticalSection( &pQData->cSection );
return nCaptureHT;
}
/***********************************************************************
* PERQDATA_SetCaptureInfo
*
* Set the capture info member in a threadsafe manner
*/
INT16 PERQDATA_SetCaptureInfo( PERQUEUEDATA *pQData, INT16 nCaptureHT )
{
INT16 nCaptureHTPrv;
assert(pQData != 0 );
EnterCriticalSection( &pQData->cSection );
nCaptureHTPrv = pQData->nCaptureHT;
pQData->nCaptureHT = nCaptureHT;
LeaveCriticalSection( &pQData->cSection );
return nCaptureHTPrv;
}
/***********************************************************************
* QUEUE_Lock
*
* Fonction for getting a 32 bit pointer on queue strcture. For thread
* Function for getting a 32 bit pointer on queue strcture. For thread
* safeness programmers should use this function instead of GlobalLock to
* retrieve a pointer on the structure. QUEUE_Unlock should also be called
* when access to the queue structure is not required anymore.
@ -58,6 +316,7 @@ MESSAGEQUEUE *QUEUE_Lock( HQUEUE16 hQueue )
return queue;
}
/***********************************************************************
* QUEUE_Unlock
*
@ -169,13 +428,13 @@ void QUEUE_SetExitingQueue( HQUEUE16 hQueue )
*
* Creates a message queue. Doesn't link it into queue list!
*/
static HQUEUE16 QUEUE_CreateMsgQueue( )
static HQUEUE16 QUEUE_CreateMsgQueue( BOOL16 bCreatePerQData )
{
HQUEUE16 hQueue;
MESSAGEQUEUE * msgQueue;
TDB *pTask = (TDB *)GlobalLock16( GetCurrentTask() );
TRACE(msg,"Creating message queue...\n");
TRACE(msg,"(): Creating message queue...\n");
if (!(hQueue = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT,
sizeof(MESSAGEQUEUE) )))
@ -193,6 +452,9 @@ static HQUEUE16 QUEUE_CreateMsgQueue( )
msgQueue->lockCount = 1;
msgQueue->magic = QUEUE_MAGIC;
/* Create and initialize our per queue data */
msgQueue->pQData = bCreatePerQData ? PERQDATA_CreateInstance() : NULL;
return hQueue;
}
@ -211,7 +473,7 @@ BOOL32 QUEUE_DeleteMsgQueue( HQUEUE16 hQueue )
HQUEUE16 senderQ;
HQUEUE16 *pPrev;
TRACE(msg,"Deleting message queue %04x\n", hQueue);
TRACE(msg,"(): Deleting message queue %04x\n", hQueue);
if (!hQueue || !msgQueue)
{
@ -238,6 +500,13 @@ BOOL32 QUEUE_DeleteMsgQueue( HQUEUE16 hQueue )
SYSTEM_LOCK();
/* Release per queue data if present */
if ( msgQueue->pQData )
{
PERQDATA_Release( msgQueue->pQData );
msgQueue->pQData = 0;
}
/* remove the message queue from the global link list */
pPrev = &hFirstQueue;
while (*pPrev && (*pPrev != hQueue))
@ -266,7 +535,10 @@ BOOL32 QUEUE_DeleteMsgQueue( HQUEUE16 hQueue )
*/
BOOL32 QUEUE_CreateSysMsgQueue( int size )
{
if (!(hmemSysMsgQueue = QUEUE_CreateMsgQueue( ))) return FALSE;
/* Note: We dont need perQ data for the system message queue */
if (!(hmemSysMsgQueue = QUEUE_CreateMsgQueue( FALSE )))
return FALSE;
sysMsgQueue = (MESSAGEQUEUE *) GlobalLock16( hmemSysMsgQueue );
return TRUE;
}
@ -947,7 +1219,7 @@ HQUEUE16 WINAPI InitThreadInput( WORD unknown, WORD flags )
if ( !hQueue )
{
/* Create thread message queue */
if( !(hQueue = QUEUE_CreateMsgQueue( 0 )))
if( !(hQueue = QUEUE_CreateMsgQueue( TRUE )))
{
WARN(msg, "failed!\n");
return FALSE;

8
windows/win.c
View file

@ -282,7 +282,7 @@ static WND* WIN_DestroyWindow( WND* wndPtr )
/* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
WINPOS_CheckInternalPos( hwnd );
WINPOS_CheckInternalPos( wndPtr );
if( hwnd == GetCapture32()) ReleaseCapture();
/* free resources associated with the window */
@ -1322,6 +1322,8 @@ BOOL32 WINAPI EnableWindow32( HWND32 hwnd, BOOL32 enable )
{
WND *wndPtr;
TRACE(win,"EnableWindow32: ( %x, %d )\n", hwnd, enable);
if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE;
if (enable && (wndPtr->dwStyle & WS_DISABLED))
{
@ -1335,9 +1337,13 @@ BOOL32 WINAPI EnableWindow32( HWND32 hwnd, BOOL32 enable )
/* Disable window */
wndPtr->dwStyle |= WS_DISABLED;
if ((hwnd == GetFocus32()) || IsChild32( hwnd, GetFocus32() ))
{
SetFocus32( 0 ); /* A disabled window can't have the focus */
}
if ((hwnd == GetCapture32()) || IsChild32( hwnd, GetCapture32() ))
{
ReleaseCapture(); /* A disabled window can't capture the mouse */
}
SendMessage32A( hwnd, WM_ENABLE, FALSE, 0 );
return FALSE;
}

181
windows/winpos.c
View file

@ -53,7 +53,6 @@
/* ----- internal variables ----- */
static HWND32 hwndActive = 0; /* Currently active window */
static HWND32 hwndPrevActive = 0; /* Previously active window */
static HWND32 hGlobalShellWindow=0; /*the shell*/
@ -76,14 +75,27 @@ BOOL32 WINPOS_CreateInternalPosAtom()
*
* Called when a window is destroyed.
*/
void WINPOS_CheckInternalPos( HWND32 hwnd )
void WINPOS_CheckInternalPos( WND* wndPtr )
{
LPINTERNALPOS lpPos = (LPINTERNALPOS) GetProp32A( hwnd, atomInternalPos );
LPINTERNALPOS lpPos;
MESSAGEQUEUE *pMsgQ = 0;
HWND32 hwnd = wndPtr->hwndSelf;
lpPos = (LPINTERNALPOS) GetProp32A( hwnd, atomInternalPos );
/* Retrieve the message queue associated with this window */
pMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( wndPtr->hmemTaskQ );
if ( !pMsgQ )
{
WARN( win, "\tMessage queue not found. Exiting!\n" );
return;
}
if( hwnd == hwndPrevActive ) hwndPrevActive = 0;
if( hwnd == hwndActive )
if( hwnd == PERQDATA_GetActiveWnd( pMsgQ->pQData ) )
{
hwndActive = 0;
PERQDATA_SetActiveWnd( pMsgQ->pQData, 0 );
WARN(win, "\tattempt to activate destroyed window!\n");
}
@ -93,6 +105,9 @@ void WINPOS_CheckInternalPos( HWND32 hwnd )
DestroyWindow32( lpPos->hwndIconTitle );
HeapFree( SystemHeap, 0, lpPos );
}
QUEUE_Unlock( pMsgQ );
return;
}
/***********************************************************************
@ -680,7 +695,7 @@ BOOL32 WINAPI IsZoomed32(HWND32 hWnd)
*/
HWND16 WINAPI GetActiveWindow16(void)
{
return (HWND16)hwndActive;
return (HWND16)GetActiveWindow32();
}
/*******************************************************************
@ -688,7 +703,21 @@ HWND16 WINAPI GetActiveWindow16(void)
*/
HWND32 WINAPI GetActiveWindow32(void)
{
return (HWND32)hwndActive;
MESSAGEQUEUE *pCurMsgQ = 0;
HWND32 hwndActive = 0;
/* Get the messageQ for the current thread */
if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue() )))
{
WARN( win, "\tCurrent message queue not found. Exiting!\n" );
return 0;
}
/* Return the current active window from the perQ data of the current message Q */
hwndActive = PERQDATA_GetActiveWnd( pCurMsgQ->pQData );
QUEUE_Unlock( pCurMsgQ );
return hwndActive;
}
@ -717,12 +746,45 @@ HWND16 WINAPI SetActiveWindow16( HWND16 hwnd )
*/
HWND32 WINAPI SetActiveWindow32( HWND32 hwnd )
{
HWND32 prev = hwndActive;
HWND32 prev = 0;
WND *wndPtr = WIN_FindWndPtr( hwnd );
MESSAGEQUEUE *pMsgQ = 0, *pCurMsgQ = 0;
if ( !WINPOS_CanActivate(wndPtr) ) return 0;
/* Get the messageQ for the current thread */
if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue() )))
{
WARN( win, "\tCurrent message queue not found. Exiting!\n" );
goto CLEANUP;
}
/* Retrieve the message queue associated with this window */
pMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( wndPtr->hmemTaskQ );
if ( !pMsgQ )
{
WARN( win, "\tWindow message queue not found. Exiting!\n" );
goto CLEANUP;
}
/* Make sure that the window is associated with the calling threads
* message queue. It must share the same perQ data.
*/
if ( pCurMsgQ->pQData != pMsgQ->pQData )
goto CLEANUP;
/* Save current active window */
prev = PERQDATA_GetActiveWnd( pMsgQ->pQData );
WINPOS_SetActiveWindow( hwnd, 0, 0 );
CLEANUP:
/* Unlock the queues before returning */
if ( pMsgQ )
QUEUE_Unlock( pMsgQ );
if ( pCurMsgQ )
QUEUE_Unlock( pCurMsgQ );
return prev;
}
@ -1460,10 +1522,21 @@ BOOL32 WINPOS_SetActiveWindow( HWND32 hWnd, BOOL32 fMouse, BOOL32 fChangeFocus)
CBTACTIVATESTRUCT16* cbtStruct;
WND* wndPtr, *wndTemp;
HQUEUE16 hOldActiveQueue, hNewActiveQueue;
MESSAGEQUEUE *pOldActiveQueue = 0, *pNewActiveQueue = 0;
WORD wIconized = 0;
HWND32 hwndActive = 0;
BOOL32 bRet = 0;
/* Get current active window from the active queue */
if ( hActiveQueue )
{
pOldActiveQueue = QUEUE_Lock( hActiveQueue );
if ( pOldActiveQueue )
hwndActive = PERQDATA_GetActiveWnd( pOldActiveQueue->pQData );
}
/* paranoid checks */
if( hWnd == GetDesktopWindow32() || hWnd == hwndActive ) return 0;
if( hWnd == GetDesktopWindow32() || hWnd == hwndActive ) goto CLEANUP;
/* if (wndPtr && (GetFastQueue() != wndPtr->hmemTaskQ))
* return 0;
@ -1485,15 +1558,23 @@ BOOL32 WINPOS_SetActiveWindow( HWND32 hWnd, BOOL32 fMouse, BOOL32 fChangeFocus)
wRet = HOOK_CallHooks16( WH_CBT, HCBT_ACTIVATE, (WPARAM16)hWnd,
(LPARAM)SEGPTR_GET(cbtStruct) );
SEGPTR_FREE(cbtStruct);
if (wRet) return wRet;
if (wRet)
{
/* Unlock the active queue before returning */
if ( pOldActiveQueue )
QUEUE_Unlock( pOldActiveQueue );
return wRet;
}
}
/* set prev active wnd to current active wnd and send notification */
if ((hwndPrevActive = hwndActive) && IsWindow32(hwndPrevActive))
{
MESSAGEQUEUE *pTempActiveQueue = 0;
if (!SendMessage32A( hwndPrevActive, WM_NCACTIVATE, FALSE, 0 ))
{
if (GetSysModalWindow16() != hWnd) return 0;
if (GetSysModalWindow16() != hWnd) goto CLEANUP;
/* disregard refusal if hWnd is sysmodal */
}
@ -1508,12 +1589,24 @@ BOOL32 WINPOS_SetActiveWindow( HWND32 hWnd, BOOL32 fMouse, BOOL32 fChangeFocus)
MAKELPARAM( (HWND16)hWnd, wIconized ) );
#endif
/* check if something happened during message processing */
if( hwndPrevActive != hwndActive ) return 0;
/* check if something happened during message processing
* (global active queue may have changed)
*/
pTempActiveQueue = QUEUE_Lock( hActiveQueue );
hwndActive = PERQDATA_GetActiveWnd( pTempActiveQueue->pQData );
QUEUE_Unlock( pTempActiveQueue );
if( hwndPrevActive != hwndActive )
goto CLEANUP;
}
/* set active wnd */
/* Set new active window in the message queue */
hwndActive = hWnd;
if ( wndPtr )
{
pNewActiveQueue = QUEUE_Lock( wndPtr->hmemTaskQ );
if ( pNewActiveQueue )
PERQDATA_SetActiveWnd( pNewActiveQueue->pQData, hwndActive );
}
/* send palette messages */
if (hWnd && SendMessage16( hWnd, WM_QUERYNEWPALETTE, 0, 0L))
@ -1532,9 +1625,10 @@ BOOL32 WINPOS_SetActiveWindow( HWND32 hWnd, BOOL32 fMouse, BOOL32 fChangeFocus)
if( wndTemp != wndPtr )
SetWindowPos32(hWnd, HWND_TOP, 0,0,0,0,
SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE );
if (!IsWindow32(hWnd)) return 0;
if (!IsWindow32(hWnd)) goto CLEANUP;
}
/* Get a handle to the new active queue */
hNewActiveQueue = wndPtr ? wndPtr->hmemTaskQ : 0;
/* send WM_ACTIVATEAPP if necessary */
@ -1570,7 +1664,7 @@ BOOL32 WINPOS_SetActiveWindow( HWND32 hWnd, BOOL32 fMouse, BOOL32 fChangeFocus)
HeapFree( SystemHeap, 0, list );
}
if (!IsWindow32(hWnd)) return 0;
if (!IsWindow32(hWnd)) goto CLEANUP;
}
if (hWnd)
@ -1592,13 +1686,13 @@ BOOL32 WINPOS_SetActiveWindow( HWND32 hWnd, BOOL32 fMouse, BOOL32 fChangeFocus)
MAKELPARAM( (HWND16)hwndPrevActive, wIconized) );
#endif
if( !IsWindow32(hWnd) ) return 0;
if( !IsWindow32(hWnd) ) goto CLEANUP;
}
/* change focus if possible */
if( fChangeFocus && GetFocus32() )
if( WIN_GetTopParent(GetFocus32()) != hwndActive )
FOCUS_SwitchFocus( GetFocus32(),
FOCUS_SwitchFocus( pNewActiveQueue, GetFocus32(),
(wndPtr && (wndPtr->dwStyle & WS_MINIMIZE))?
0:
hwndActive
@ -1610,7 +1704,16 @@ BOOL32 WINPOS_SetActiveWindow( HWND32 hWnd, BOOL32 fMouse, BOOL32 fChangeFocus)
/* if active wnd is minimized redraw icon title */
if( IsIconic32(hwndActive) ) WINPOS_RedrawIconTitle(hwndActive);
return (hWnd == hwndActive);
bRet = 1; // Success
CLEANUP:
/* Unlock the message queues before returning */
if ( pOldActiveQueue )
QUEUE_Unlock( pOldActiveQueue );
if ( pNewActiveQueue )
QUEUE_Unlock( pNewActiveQueue );
return bRet ? (hWnd == hwndActive) : 0;
}
/*******************************************************************
@ -1622,6 +1725,18 @@ BOOL32 WINPOS_ActivateOtherWindow(WND* pWnd)
{
BOOL32 bRet = 0;
WND* pWndTo = NULL;
HWND32 hwndActive = 0;
/* Get current active window from the active queue */
if ( hActiveQueue )
{
MESSAGEQUEUE *pActiveQueue = QUEUE_Lock( hActiveQueue );
if ( pActiveQueue )
{
hwndActive = PERQDATA_GetActiveWnd( pActiveQueue->pQData );
QUEUE_Unlock( pActiveQueue );
}
}
if( pWnd->hwndSelf == hwndPrevActive )
hwndPrevActive = 0;
@ -1663,6 +1778,18 @@ BOOL32 WINPOS_ActivateOtherWindow(WND* pWnd)
BOOL32 WINPOS_ChangeActiveWindow( HWND32 hWnd, BOOL32 mouseMsg )
{
WND *wndPtr = WIN_FindWndPtr(hWnd);
HWND32 hwndActive = 0;
/* Get current active window from the active queue */
if ( hActiveQueue )
{
MESSAGEQUEUE *pActiveQueue = QUEUE_Lock( hActiveQueue );
if ( pActiveQueue )
{
hwndActive = PERQDATA_GetActiveWnd( pActiveQueue->pQData );
QUEUE_Unlock( pActiveQueue );
}
}
if (!hWnd) return WINPOS_SetActiveWindow( 0, mouseMsg, TRUE );
@ -2063,6 +2190,18 @@ BOOL32 WINAPI SetWindowPos32( HWND32 hwnd, HWND32 hwndInsertAfter,
int result = 0;
UINT32 uFlags = 0;
BOOL32 resync = FALSE;
HWND32 hwndActive = 0;
/* Get current active window from the active queue */
if ( hActiveQueue )
{
MESSAGEQUEUE *pActiveQueue = QUEUE_Lock( hActiveQueue );
if ( pActiveQueue )
{
hwndActive = PERQDATA_GetActiveWnd( pActiveQueue->pQData );
QUEUE_Unlock( pActiveQueue );
}
}
TRACE(win,"hwnd %04x, (%i,%i)-(%i,%i) flags %08x\n",
hwnd, x, y, x+cx, y+cy, flags);
@ -2393,6 +2532,10 @@ BOOL32 WINAPI SetWindowPos32( HWND32 hwnd, HWND32 hwndInsertAfter,
if (hwnd == CARET_GetHwnd()) DestroyCaret32();
/* FIXME: This will cause the window to be activated irrespective
* of whether it is owned by the same thread.
* Should this behaviour be allowed in SetWindowPos?
*/
if (winpos.hwnd == hwndActive)
WINPOS_ActivateOtherWindow( wndPtr );
}