2 * Window related functions
4 * Copyright 1993, 1994 Alexandre Julliard
10 #include "wine/winbase16.h"
11 #include "wine/winuser16.h"
12 #include "wine/unicode.h"
19 #include "cursoricon.h"
26 #include "stackframe.h"
27 #include "debugtools.h"
29 DEFAULT_DEBUG_CHANNEL(win
);
30 DECLARE_DEBUG_CHANNEL(msg
);
32 /**********************************************************************/
34 WND_DRIVER
*WND_Driver
= NULL
;
37 static WND
*pWndDesktop
= NULL
;
39 static HWND hwndSysModal
= 0;
41 static WORD wDragWidth
= 4;
42 static WORD wDragHeight
= 3;
45 static SYSLEVEL WIN_SysLevel
= { CRITICAL_SECTION_INIT
, 2 };
47 /***********************************************************************
50 * Locks access to all WND structures for thread safeness
52 void WIN_LockWnds( void )
54 _EnterSysLevel( &WIN_SysLevel
);
57 /***********************************************************************
60 * Unlocks access to all WND structures
62 void WIN_UnlockWnds( void )
64 _LeaveSysLevel( &WIN_SysLevel
);
67 /***********************************************************************
70 * Suspend the lock on WND structures.
71 * Returns the number of locks suspended
73 int WIN_SuspendWndsLock( void )
75 int isuspendedLocks
= _ConfirmSysLevel( &WIN_SysLevel
);
76 int count
= isuspendedLocks
;
79 _LeaveSysLevel( &WIN_SysLevel
);
81 return isuspendedLocks
;
84 /***********************************************************************
87 * Restore the suspended locks on WND structures
89 void WIN_RestoreWndsLock( int ipreviousLocks
)
91 while ( ipreviousLocks
-- > 0 )
92 _EnterSysLevel( &WIN_SysLevel
);
95 /***********************************************************************
98 * Return a pointer to the WND structure corresponding to a HWND.
100 WND
* WIN_FindWndPtr( HWND hwnd
)
104 if (!hwnd
|| HIWORD(hwnd
)) goto error2
;
105 ptr
= (WND
*) USER_HEAP_LIN_ADDR( hwnd
);
106 /* Lock all WND structures for thread safeness*/
108 /*and increment destruction monitoring*/
111 if (ptr
->dwMagic
!= WND_MAGIC
) goto error
;
112 if (ptr
->hwndSelf
!= hwnd
)
114 ERR("Can't happen: hwnd %04x self pointer is %04x\n",hwnd
, ptr
->hwndSelf
);
117 /* returns a locked pointer */
120 /* Unlock all WND structures for thread safeness*/
122 /* and decrement destruction monitoring value */
127 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
131 /***********************************************************************
134 * Use in case the wnd ptr is not initialized with WIN_FindWndPtr
136 * Returns the locked initialisation pointer
138 WND
*WIN_LockWndPtr(WND
*initWndPtr
)
140 if(!initWndPtr
) return 0;
142 /* Lock all WND structures for thread safeness*/
144 /*and increment destruction monitoring*/
145 initWndPtr
->irefCount
++;
151 /***********************************************************************
154 * Release the pointer to the WND structure.
156 void WIN_ReleaseWndPtr(WND
*wndPtr
)
160 /*Decrement destruction monitoring value*/
162 /* Check if it's time to release the memory*/
163 if(wndPtr
->irefCount
== 0 && !wndPtr
->dwMagic
)
166 USER_HEAP_FREE( wndPtr
->hwndSelf
);
167 wndPtr
->hwndSelf
= 0;
169 else if(wndPtr
->irefCount
< 0)
171 /* This else if is useful to monitor the WIN_ReleaseWndPtr function */
172 ERR("forgot a Lock on %p somewhere\n",wndPtr
);
174 /*unlock all WND structures for thread safeness*/
178 /***********************************************************************
181 * Updates the value of oldPtr to newPtr.
183 void WIN_UpdateWndPtr(WND
**oldPtr
, WND
*newPtr
)
187 tmpWnd
= WIN_LockWndPtr(newPtr
);
188 WIN_ReleaseWndPtr(*oldPtr
);
193 /***********************************************************************
196 * Dump the content of a window structure to stderr.
198 void WIN_DumpWindow( HWND hwnd
)
204 if (!(ptr
= WIN_FindWndPtr( hwnd
)))
206 WARN("%04x is not a window handle\n", hwnd
);
210 if (!GetClassNameA( hwnd
, className
, sizeof(className
) ))
211 strcpy( className
, "#NULL#" );
213 TRACE("Window %04x (%p):\n", hwnd
, ptr
);
214 DPRINTF( "next=%p child=%p parent=%p owner=%p class=%p '%s'\n"
215 "inst=%04x taskQ=%04x updRgn=%04x active=%04x dce=%p idmenu=%08x\n"
216 "style=%08lx exstyle=%08lx wndproc=%08x text='%s'\n"
217 "client=%d,%d-%d,%d window=%d,%d-%d,%d"
218 "sysmenu=%04x flags=%04x props=%p vscroll=%p hscroll=%p\n",
219 ptr
->next
, ptr
->child
, ptr
->parent
, ptr
->owner
,
220 ptr
->class, className
, ptr
->hInstance
, ptr
->hmemTaskQ
,
221 ptr
->hrgnUpdate
, ptr
->hwndLastActive
, ptr
->dce
, ptr
->wIDmenu
,
222 ptr
->dwStyle
, ptr
->dwExStyle
, (UINT
)ptr
->winproc
,
223 ptr
->text
? debugstr_w(ptr
->text
) : "",
224 ptr
->rectClient
.left
, ptr
->rectClient
.top
, ptr
->rectClient
.right
,
225 ptr
->rectClient
.bottom
, ptr
->rectWindow
.left
, ptr
->rectWindow
.top
,
226 ptr
->rectWindow
.right
, ptr
->rectWindow
.bottom
, ptr
->hSysMenu
,
227 ptr
->flags
, ptr
->pProp
, ptr
->pVScroll
, ptr
->pHScroll
);
231 DPRINTF( "extra bytes:" );
232 for (i
= 0; i
< ptr
->cbWndExtra
; i
++)
233 DPRINTF( " %02x", *((BYTE
*)ptr
->wExtra
+i
) );
237 WIN_ReleaseWndPtr(ptr
);
241 /***********************************************************************
244 * Walk the windows tree and print each window on stderr.
246 void WIN_WalkWindows( HWND hwnd
, int indent
)
251 ptr
= hwnd
? WIN_FindWndPtr( hwnd
) : WIN_GetDesktop();
255 WARN("Invalid window handle %04x\n", hwnd
);
259 if (!indent
) /* first time around */
260 DPRINTF( "%-16.16s %-8.8s %-6.6s %-17.17s %-8.8s %s\n",
261 "hwnd", " wndPtr", "queue", "Class Name", " Style", " WndProc"
266 DPRINTF( "%*s%04x%*s", indent
, "", ptr
->hwndSelf
, 13-indent
,"");
268 GetClassNameA( hwnd
, className
, sizeof(className
) );
269 DPRINTF( "%08lx %-6.4x %-17.17s %08x %08x %.14s\n",
270 (DWORD
)ptr
, ptr
->hmemTaskQ
, className
,
271 (UINT
)ptr
->dwStyle
, (UINT
)ptr
->winproc
,
272 ptr
->text
? debugstr_w(ptr
->text
) : "<null>");
274 if (ptr
->child
) WIN_WalkWindows( ptr
->child
->hwndSelf
, indent
+1 );
275 WIN_UpdateWndPtr(&ptr
,ptr
->next
);
281 /***********************************************************************
284 * Remove a window from the siblings linked list.
286 BOOL
WIN_UnlinkWindow( HWND hwnd
)
288 WND
*wndPtr
, **ppWnd
;
291 if (!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
292 else if(!wndPtr
->parent
)
294 WIN_ReleaseWndPtr(wndPtr
);
298 ppWnd
= &wndPtr
->parent
->child
;
299 while (*ppWnd
&& *ppWnd
!= wndPtr
) ppWnd
= &(*ppWnd
)->next
;
302 *ppWnd
= wndPtr
->next
;
305 WIN_ReleaseWndPtr(wndPtr
);
310 /***********************************************************************
313 * Insert a window into the siblings linked list.
314 * The window is inserted after the specified window, which can also
315 * be specified as HWND_TOP or HWND_BOTTOM.
317 BOOL
WIN_LinkWindow( HWND hwnd
, HWND hwndInsertAfter
)
319 WND
*wndPtr
, **ppWnd
;
321 if (!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
322 else if(!wndPtr
->parent
)
324 WIN_ReleaseWndPtr(wndPtr
);
327 if ((hwndInsertAfter
== HWND_TOP
) || (hwndInsertAfter
== HWND_BOTTOM
))
329 ppWnd
= &wndPtr
->parent
->child
; /* Point to first sibling hwnd */
330 if (hwndInsertAfter
== HWND_BOTTOM
) /* Find last sibling hwnd */
331 while (*ppWnd
) ppWnd
= &(*ppWnd
)->next
;
333 else /* Normal case */
335 WND
* afterPtr
= WIN_FindWndPtr( hwndInsertAfter
);
338 WIN_ReleaseWndPtr(wndPtr
);
341 ppWnd
= &afterPtr
->next
;
342 WIN_ReleaseWndPtr(afterPtr
);
344 wndPtr
->next
= *ppWnd
;
346 WIN_ReleaseWndPtr(wndPtr
);
351 /***********************************************************************
352 * WIN_FindWinToRepaint
354 * Find a window that needs repaint.
356 HWND
WIN_FindWinToRepaint( HWND hwnd
, HQUEUE16 hQueue
)
361 /* Note: the desktop window never gets WM_PAINT messages
362 * The real reason why is because Windows DesktopWndProc
363 * does ValidateRgn inside WM_ERASEBKGND handler.
366 pWnd
= hwnd
? WIN_FindWndPtr(hwnd
) : WIN_LockWndPtr(pWndDesktop
->child
);
368 for ( ; pWnd
; WIN_UpdateWndPtr(&pWnd
,pWnd
->next
))
370 if (!(pWnd
->dwStyle
& WS_VISIBLE
))
372 TRACE("skipping window %04x\n",
375 else if ((pWnd
->hmemTaskQ
== hQueue
) &&
376 (pWnd
->hrgnUpdate
|| (pWnd
->flags
& WIN_INTERNAL_PAINT
)))
379 else if (pWnd
->child
)
380 if ((hwndRet
= WIN_FindWinToRepaint( pWnd
->child
->hwndSelf
, hQueue
)) )
382 WIN_ReleaseWndPtr(pWnd
);
393 hwndRet
= pWnd
->hwndSelf
;
395 /* look among siblings if we got a transparent window */
396 while (pWnd
&& ((pWnd
->dwExStyle
& WS_EX_TRANSPARENT
) ||
397 !(pWnd
->hrgnUpdate
|| (pWnd
->flags
& WIN_INTERNAL_PAINT
))))
399 WIN_UpdateWndPtr(&pWnd
,pWnd
->next
);
403 hwndRet
= pWnd
->hwndSelf
;
404 WIN_ReleaseWndPtr(pWnd
);
406 TRACE("found %04x\n",hwndRet
);
411 /***********************************************************************
414 * Destroy storage associated to a window. "Internals" p.358
415 * returns a locked wndPtr->next
417 static WND
* WIN_DestroyWindow( WND
* wndPtr
)
419 HWND hwnd
= wndPtr
->hwndSelf
;
422 TRACE("%04x\n", wndPtr
->hwndSelf
);
424 /* free child windows */
425 WIN_LockWndPtr(wndPtr
->child
);
426 while ((pWnd
= wndPtr
->child
))
428 wndPtr
->child
= WIN_DestroyWindow( pWnd
);
429 WIN_ReleaseWndPtr(pWnd
);
433 * Clear the update region to make sure no WM_PAINT messages will be
434 * generated for this window while processing the WM_NCDESTROY.
436 if ((wndPtr
->hrgnUpdate
) || (wndPtr
->flags
& WIN_INTERNAL_PAINT
))
438 if (wndPtr
->hrgnUpdate
> 1)
439 DeleteObject( wndPtr
->hrgnUpdate
);
441 QUEUE_DecPaintCount( wndPtr
->hmemTaskQ
);
443 wndPtr
->hrgnUpdate
= 0;
447 * Send the WM_NCDESTROY to the window being destroyed.
449 SendMessageA( wndPtr
->hwndSelf
, WM_NCDESTROY
, 0, 0);
451 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
453 WINPOS_CheckInternalPos( wndPtr
);
454 if( hwnd
== GetCapture()) ReleaseCapture();
456 /* free resources associated with the window */
458 TIMER_RemoveWindowTimers( wndPtr
->hwndSelf
);
459 PROPERTY_RemoveWindowProps( wndPtr
);
461 wndPtr
->dwMagic
= 0; /* Mark it as invalid */
463 /* toss stale messages from the queue */
465 if( wndPtr
->hmemTaskQ
)
467 BOOL bPostQuit
= FALSE
;
468 WPARAM wQuitParam
= 0;
469 MESSAGEQUEUE
* msgQ
= (MESSAGEQUEUE
*) QUEUE_Lock(wndPtr
->hmemTaskQ
);
472 while( (qmsg
= QUEUE_FindMsg(msgQ
, hwnd
, 0, 0)) != 0 )
474 if( qmsg
->msg
.message
== WM_QUIT
)
477 wQuitParam
= qmsg
->msg
.wParam
;
479 QUEUE_RemoveMsg(msgQ
, qmsg
);
484 /* repost WM_QUIT to make sure this app exits its message loop */
485 if( bPostQuit
) PostQuitMessage(wQuitParam
);
486 wndPtr
->hmemTaskQ
= 0;
489 if (!(wndPtr
->dwStyle
& WS_CHILD
))
492 DestroyMenu( wndPtr
->wIDmenu
);
495 if (wndPtr
->hSysMenu
)
497 DestroyMenu( wndPtr
->hSysMenu
);
498 wndPtr
->hSysMenu
= 0;
500 wndPtr
->pDriver
->pDestroyWindow( wndPtr
);
501 DCE_FreeWindowDCE( wndPtr
); /* Always do this to catch orphaned DCs */
502 WINPROC_FreeProc( wndPtr
->winproc
, WIN_PROC_WINDOW
);
503 CLASS_RemoveWindow( wndPtr
->class );
504 wndPtr
->class = NULL
;
506 WIN_UpdateWndPtr(&pWnd
,wndPtr
->next
);
508 wndPtr
->pDriver
->pFinalize(wndPtr
);
513 /***********************************************************************
514 * WIN_ResetQueueWindows
516 * Reset the queue of all the children of a given window.
517 * Return TRUE if something was done.
519 BOOL
WIN_ResetQueueWindows( WND
* wnd
, HQUEUE16 hQueue
, HQUEUE16 hNew
)
523 if (hNew
) /* Set a new queue */
525 for (wnd
= WIN_LockWndPtr(wnd
->child
); (wnd
);WIN_UpdateWndPtr(&wnd
,wnd
->next
))
527 if (wnd
->hmemTaskQ
== hQueue
)
529 wnd
->hmemTaskQ
= hNew
;
534 ret
|= WIN_ResetQueueWindows( wnd
, hQueue
, hNew
);
538 else /* Queue is being destroyed */
542 WND
*tmp
= WIN_LockWndPtr(wnd
->child
);
547 if (tmp
->hmemTaskQ
== hQueue
)
549 DestroyWindow( tmp
->hwndSelf
);
553 tmp2
= WIN_LockWndPtr(tmp
->child
);
554 if (tmp2
&& WIN_ResetQueueWindows(tmp2
,hQueue
,0))
558 WIN_UpdateWndPtr(&tmp
,tmp
->next
);
560 WIN_ReleaseWndPtr(tmp2
);
562 WIN_ReleaseWndPtr(tmp
);
569 /***********************************************************************
570 * WIN_CreateDesktopWindow
572 * Create the desktop window.
574 BOOL
WIN_CreateDesktopWindow(void)
576 struct tagCLASS
*class;
583 TRACE("Creating desktop window\n");
586 if (!WINPOS_CreateInternalPosAtom() ||
587 !(class = CLASS_AddWindow( (ATOM
)LOWORD(DESKTOP_CLASS_ATOM
), 0, WIN_PROC_32W
,
588 &wndExtra
, &winproc
, &clsStyle
, &dce
)))
591 hwndDesktop
= USER_HEAP_ALLOC( sizeof(WND
) + wndExtra
);
592 if (!hwndDesktop
) return FALSE
;
593 pWndDesktop
= (WND
*) USER_HEAP_LIN_ADDR( hwndDesktop
);
595 pWndDesktop
->pDriver
= WND_Driver
;
596 pWndDesktop
->pDriver
->pInitialize(pWndDesktop
);
598 pWndDesktop
->next
= NULL
;
599 pWndDesktop
->child
= NULL
;
600 pWndDesktop
->parent
= NULL
;
601 pWndDesktop
->owner
= NULL
;
602 pWndDesktop
->class = class;
603 pWndDesktop
->dwMagic
= WND_MAGIC
;
604 pWndDesktop
->hwndSelf
= hwndDesktop
;
605 pWndDesktop
->hInstance
= 0;
606 pWndDesktop
->rectWindow
.left
= 0;
607 pWndDesktop
->rectWindow
.top
= 0;
608 pWndDesktop
->rectWindow
.right
= GetSystemMetrics(SM_CXSCREEN
);
609 pWndDesktop
->rectWindow
.bottom
= GetSystemMetrics(SM_CYSCREEN
);
610 pWndDesktop
->rectClient
= pWndDesktop
->rectWindow
;
611 pWndDesktop
->text
= NULL
;
612 pWndDesktop
->hmemTaskQ
= GetFastQueue16();
613 pWndDesktop
->hrgnUpdate
= 0;
614 pWndDesktop
->hwndLastActive
= hwndDesktop
;
615 pWndDesktop
->dwStyle
= WS_VISIBLE
| WS_CLIPCHILDREN
|
617 pWndDesktop
->dwExStyle
= 0;
618 pWndDesktop
->clsStyle
= clsStyle
;
619 pWndDesktop
->dce
= NULL
;
620 pWndDesktop
->pVScroll
= NULL
;
621 pWndDesktop
->pHScroll
= NULL
;
622 pWndDesktop
->pProp
= NULL
;
623 pWndDesktop
->wIDmenu
= 0;
624 pWndDesktop
->helpContext
= 0;
625 pWndDesktop
->flags
= Options
.desktopGeometry
? WIN_NATIVE
: 0;
626 pWndDesktop
->hSysMenu
= 0;
627 pWndDesktop
->userdata
= 0;
628 pWndDesktop
->winproc
= winproc
;
629 pWndDesktop
->cbWndExtra
= wndExtra
;
630 pWndDesktop
->irefCount
= 0;
632 if(!pWndDesktop
->pDriver
->pCreateDesktopWindow(pWndDesktop
)) return FALSE
;
634 SendMessageW( hwndDesktop
, WM_NCCREATE
, 0, 0 );
635 pWndDesktop
->flags
|= WIN_NEEDS_ERASEBKGND
;
640 /***********************************************************************
643 * Fix the coordinates - Helper for WIN_CreateWindowEx.
644 * returns default show mode in sw.
645 * Note: the feature presented as undocumented *is* in the MSDN since 1993.
647 static void WIN_FixCoordinates( CREATESTRUCTA
*cs
, INT
*sw
)
649 if (cs
->x
== CW_USEDEFAULT
|| cs
->x
== CW_USEDEFAULT16
||
650 cs
->cx
== CW_USEDEFAULT
|| cs
->cx
== CW_USEDEFAULT16
)
652 if (cs
->style
& (WS_CHILD
| WS_POPUP
))
654 if (cs
->x
== CW_USEDEFAULT
|| cs
->x
== CW_USEDEFAULT16
) cs
->x
= cs
->y
= 0;
655 if (cs
->cx
== CW_USEDEFAULT
|| cs
->cx
== CW_USEDEFAULT16
) cs
->cx
= cs
->cy
= 0;
657 else /* overlapped window */
661 GetStartupInfoA( &info
);
663 if (cs
->x
== CW_USEDEFAULT
|| cs
->x
== CW_USEDEFAULT16
)
665 /* Never believe Microsoft's documentation... CreateWindowEx doc says
666 * that if an overlapped window is created with WS_VISIBLE style bit
667 * set and the x parameter is set to CW_USEDEFAULT, the system ignores
668 * the y parameter. However, disassembling NT implementation (WIN32K.SYS)
671 * 1) not only it checks for CW_USEDEFAULT but also for CW_USEDEFAULT16
672 * 2) it does not ignore the y parameter as the docs claim; instead, it
673 * uses it as second parameter to ShowWindow() unless y is either
674 * CW_USEDEFAULT or CW_USEDEFAULT16.
676 * The fact that we didn't do 2) caused bogus windows pop up when wine
677 * was running apps that were using this obscure feature. Example -
678 * calc.exe that comes with Win98 (only Win98, it's different from
679 * the one that comes with Win95 and NT)
681 if (cs
->y
!= CW_USEDEFAULT
&& cs
->y
!= CW_USEDEFAULT16
) *sw
= cs
->y
;
682 cs
->x
= (info
.dwFlags
& STARTF_USEPOSITION
) ? info
.dwX
: 0;
683 cs
->y
= (info
.dwFlags
& STARTF_USEPOSITION
) ? info
.dwY
: 0;
686 if (cs
->cx
== CW_USEDEFAULT
|| cs
->cx
== CW_USEDEFAULT16
)
688 if (info
.dwFlags
& STARTF_USESIZE
)
690 cs
->cx
= info
.dwXSize
;
691 cs
->cy
= info
.dwYSize
;
693 else /* if no other hint from the app, pick 3/4 of the screen real estate */
696 SystemParametersInfoA( SPI_GETWORKAREA
, 0, &r
, 0);
697 cs
->cx
= (((r
.right
- r
.left
) * 3) / 4) - cs
->x
;
698 cs
->cy
= (((r
.bottom
- r
.top
) * 3) / 4) - cs
->y
;
705 /***********************************************************************
708 * Implementation of CreateWindowEx().
710 static HWND
WIN_CreateWindowEx( CREATESTRUCTA
*cs
, ATOM classAtom
,
711 WINDOWPROCTYPE type
)
714 struct tagCLASS
*classPtr
;
717 HWND16 hwnd
, hwndLinkAfter
;
718 POINT maxSize
, maxPos
, minTrack
, maxTrack
;
723 LRESULT
CALLBACK (*localSend32
)(HWND
, UINT
, WPARAM
, LPARAM
);
725 TRACE("%s %s %08lx %08lx %d,%d %dx%d %04x %04x %08x %p\n",
726 (type
== WIN_PROC_32W
) ? debugres_w((LPWSTR
)cs
->lpszName
) : debugres_a(cs
->lpszName
),
727 (type
== WIN_PROC_32W
) ? debugres_w((LPWSTR
)cs
->lpszClass
) : debugres_a(cs
->lpszClass
),
728 cs
->dwExStyle
, cs
->style
, cs
->x
, cs
->y
, cs
->cx
, cs
->cy
,
729 cs
->hwndParent
, cs
->hMenu
, cs
->hInstance
, cs
->lpCreateParams
);
731 TRACE("winproc type is %d (%s)\n", type
, (type
== WIN_PROC_16
) ? "WIN_PROC_16" :
732 ((type
== WIN_PROC_32A
) ? "WIN_PROC_32A" : "WIN_PROC_32W") );
734 /* Find the parent window */
738 /* Make sure parent is valid */
739 if (!IsWindow( cs
->hwndParent
))
741 WARN("Bad parent %04x\n", cs
->hwndParent
);
744 } else if ((cs
->style
& WS_CHILD
) && !(cs
->style
& WS_POPUP
)) {
745 WARN("No parent for child window\n" );
746 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
749 /* Find the window class */
750 if (!(classPtr
= CLASS_AddWindow( classAtom
, cs
->hInstance
, type
,
751 &wndExtra
, &winproc
, &clsStyle
, &dce
)))
753 WARN("Bad class '%s'\n", cs
->lpszClass
);
757 WIN_FixCoordinates(cs
, &sw
); /* fix default coordinates */
759 /* Create the window structure */
761 if (!(hwnd
= USER_HEAP_ALLOC( sizeof(*wndPtr
) + wndExtra
- sizeof(wndPtr
->wExtra
) )))
763 TRACE("out of memory\n" );
767 /* Fill the window structure */
769 wndPtr
= WIN_LockWndPtr((WND
*) USER_HEAP_LIN_ADDR( hwnd
));
771 wndPtr
->child
= NULL
;
773 if ((cs
->style
& WS_CHILD
) && cs
->hwndParent
)
775 wndPtr
->parent
= WIN_FindWndPtr( cs
->hwndParent
);
776 wndPtr
->owner
= NULL
;
777 WIN_ReleaseWndPtr(wndPtr
->parent
);
781 wndPtr
->parent
= pWndDesktop
;
782 if (!cs
->hwndParent
|| (cs
->hwndParent
== pWndDesktop
->hwndSelf
))
783 wndPtr
->owner
= NULL
;
786 WND
*tmpWnd
= WIN_FindWndPtr(cs
->hwndParent
);
787 wndPtr
->owner
= WIN_GetTopParentPtr(tmpWnd
);
788 WIN_ReleaseWndPtr(wndPtr
->owner
);
789 WIN_ReleaseWndPtr(tmpWnd
);
794 wndPtr
->pDriver
= wndPtr
->parent
->pDriver
;
795 wndPtr
->pDriver
->pInitialize(wndPtr
);
797 wndPtr
->class = classPtr
;
798 wndPtr
->winproc
= winproc
;
799 wndPtr
->dwMagic
= WND_MAGIC
;
800 wndPtr
->hwndSelf
= hwnd
;
801 wndPtr
->hInstance
= cs
->hInstance
;
803 wndPtr
->hmemTaskQ
= GetFastQueue16();
804 wndPtr
->hrgnUpdate
= 0;
806 wndPtr
->hwndLastActive
= hwnd
;
807 wndPtr
->dwStyle
= cs
->style
& ~WS_VISIBLE
;
808 wndPtr
->dwExStyle
= cs
->dwExStyle
;
809 wndPtr
->clsStyle
= clsStyle
;
811 wndPtr
->helpContext
= 0;
812 wndPtr
->flags
= (type
== WIN_PROC_16
) ? 0 : WIN_ISWIN32
;
813 wndPtr
->pVScroll
= NULL
;
814 wndPtr
->pHScroll
= NULL
;
815 wndPtr
->pProp
= NULL
;
816 wndPtr
->userdata
= 0;
817 wndPtr
->hSysMenu
= (wndPtr
->dwStyle
& WS_SYSMENU
)
818 ? MENU_GetSysMenu( hwnd
, 0 ) : 0;
819 wndPtr
->cbWndExtra
= wndExtra
;
820 wndPtr
->irefCount
= 1;
822 if (wndExtra
) memset( wndPtr
->wExtra
, 0, wndExtra
);
824 /* Call the WH_CBT hook */
826 hwndLinkAfter
= ((cs
->style
& (WS_CHILD
|WS_MAXIMIZE
)) == WS_CHILD
)
827 ? HWND_BOTTOM
: HWND_TOP
;
829 if (HOOK_IsHooked( WH_CBT
))
835 cbtc
.hwndInsertAfter
= hwndLinkAfter
;
836 ret
= (type
== WIN_PROC_32W
) ? HOOK_CallHooksW(WH_CBT
, HCBT_CREATEWND
, hwnd
, (LPARAM
)&cbtc
)
837 : HOOK_CallHooksA(WH_CBT
, HCBT_CREATEWND
, hwnd
, (LPARAM
)&cbtc
);
840 TRACE("CBT-hook returned 0\n");
841 wndPtr
->pDriver
->pFinalize(wndPtr
);
842 USER_HEAP_FREE( hwnd
);
843 CLASS_RemoveWindow( classPtr
);
849 /* Correct the window style */
851 if (!(cs
->style
& WS_CHILD
))
853 wndPtr
->dwStyle
|= WS_CLIPSIBLINGS
;
854 if (!(cs
->style
& WS_POPUP
))
856 wndPtr
->dwStyle
|= WS_CAPTION
;
857 wndPtr
->flags
|= WIN_NEED_SIZE
;
861 /* Get class or window DC if needed */
863 if (clsStyle
& CS_OWNDC
) wndPtr
->dce
= DCE_AllocDCE(hwnd
,DCE_WINDOW_DC
);
864 else if (clsStyle
& CS_CLASSDC
) wndPtr
->dce
= dce
;
865 else wndPtr
->dce
= NULL
;
867 /* Initialize the dimensions before sending WM_GETMINMAXINFO */
869 wndPtr
->rectWindow
.left
= cs
->x
;
870 wndPtr
->rectWindow
.top
= cs
->y
;
871 wndPtr
->rectWindow
.right
= cs
->x
+ cs
->cx
;
872 wndPtr
->rectWindow
.bottom
= cs
->y
+ cs
->cy
;
873 wndPtr
->rectClient
= wndPtr
->rectWindow
;
875 /* Send the WM_GETMINMAXINFO message and fix the size if needed */
877 if ((cs
->style
& WS_THICKFRAME
) || !(cs
->style
& (WS_POPUP
| WS_CHILD
)))
879 WINPOS_GetMinMaxInfo( wndPtr
, &maxSize
, &maxPos
, &minTrack
, &maxTrack
);
880 if (maxSize
.x
< cs
->cx
) cs
->cx
= maxSize
.x
;
881 if (maxSize
.y
< cs
->cy
) cs
->cy
= maxSize
.y
;
882 if (cs
->cx
< minTrack
.x
) cs
->cx
= minTrack
.x
;
883 if (cs
->cy
< minTrack
.y
) cs
->cy
= minTrack
.y
;
886 if (cs
->cx
< 0) cs
->cx
= 0;
887 if (cs
->cy
< 0) cs
->cy
= 0;
889 wndPtr
->rectWindow
.left
= cs
->x
;
890 wndPtr
->rectWindow
.top
= cs
->y
;
891 wndPtr
->rectWindow
.right
= cs
->x
+ cs
->cx
;
892 wndPtr
->rectWindow
.bottom
= cs
->y
+ cs
->cy
;
893 wndPtr
->rectClient
= wndPtr
->rectWindow
;
895 if(!wndPtr
->pDriver
->pCreateWindow(wndPtr
, cs
, type
== WIN_PROC_32W
))
901 /* Set the window menu */
903 if ((wndPtr
->dwStyle
& (WS_CAPTION
| WS_CHILD
)) == WS_CAPTION
)
905 if (cs
->hMenu
) SetMenu(hwnd
, cs
->hMenu
);
908 LPCSTR menuName
= (LPCSTR
)GetClassLongA( hwnd
, GCL_MENUNAME
);
911 if (HIWORD(cs
->hInstance
))
912 cs
->hMenu
= LoadMenuA(cs
->hInstance
,menuName
);
914 cs
->hMenu
= LoadMenu16(cs
->hInstance
,menuName
);
916 if (cs
->hMenu
) SetMenu( hwnd
, cs
->hMenu
);
920 else wndPtr
->wIDmenu
= (UINT
)cs
->hMenu
;
922 /* Send the WM_CREATE message
923 * Perhaps we shouldn't allow width/height changes as well.
924 * See p327 in "Internals".
927 maxPos
.x
= wndPtr
->rectWindow
.left
; maxPos
.y
= wndPtr
->rectWindow
.top
;
929 localSend32
= (type
== WIN_PROC_32W
) ? SendMessageW
: SendMessageA
;
930 if( (*localSend32
)( hwnd
, WM_NCCREATE
, 0, (LPARAM
)cs
) )
932 /* Insert the window in the linked list */
934 WIN_LinkWindow( hwnd
, hwndLinkAfter
);
936 WINPOS_SendNCCalcSize( hwnd
, FALSE
, &wndPtr
->rectWindow
,
937 NULL
, NULL
, 0, &wndPtr
->rectClient
);
938 OffsetRect(&wndPtr
->rectWindow
, maxPos
.x
- wndPtr
->rectWindow
.left
,
939 maxPos
.y
- wndPtr
->rectWindow
.top
);
940 if( ((*localSend32
)( hwnd
, WM_CREATE
, 0, (LPARAM
)cs
)) != -1 )
942 /* Send the size messages */
944 if (!(wndPtr
->flags
& WIN_NEED_SIZE
))
947 if (((wndPtr
->rectClient
.right
-wndPtr
->rectClient
.left
) <0)
948 ||((wndPtr
->rectClient
.bottom
-wndPtr
->rectClient
.top
)<0))
949 WARN("sending bogus WM_SIZE message 0x%08lx\n",
950 MAKELONG(wndPtr
->rectClient
.right
-wndPtr
->rectClient
.left
,
951 wndPtr
->rectClient
.bottom
-wndPtr
->rectClient
.top
));
952 (*localSend32
)( hwnd
, WM_SIZE
, SIZE_RESTORED
,
953 MAKELONG(wndPtr
->rectClient
.right
-wndPtr
->rectClient
.left
,
954 wndPtr
->rectClient
.bottom
-wndPtr
->rectClient
.top
));
955 (*localSend32
)( hwnd
, WM_MOVE
, 0,
956 MAKELONG( wndPtr
->rectClient
.left
,
957 wndPtr
->rectClient
.top
) );
960 /* Show the window, maximizing or minimizing if needed */
962 if (wndPtr
->dwStyle
& (WS_MINIMIZE
| WS_MAXIMIZE
))
965 UINT16 swFlag
= (wndPtr
->dwStyle
& WS_MINIMIZE
) ? SW_MINIMIZE
: SW_MAXIMIZE
;
966 wndPtr
->dwStyle
&= ~(WS_MAXIMIZE
| WS_MINIMIZE
);
967 WINPOS_MinMaximize( wndPtr
, swFlag
, &newPos
);
968 swFlag
= ((wndPtr
->dwStyle
& WS_CHILD
) || GetActiveWindow())
969 ? SWP_NOACTIVATE
| SWP_NOZORDER
| SWP_FRAMECHANGED
970 : SWP_NOZORDER
| SWP_FRAMECHANGED
;
971 SetWindowPos( hwnd
, 0, newPos
.left
, newPos
.top
,
972 newPos
.right
, newPos
.bottom
, swFlag
);
975 if( (wndPtr
->dwStyle
& WS_CHILD
) && !(wndPtr
->dwExStyle
& WS_EX_NOPARENTNOTIFY
) )
977 /* Notify the parent window only */
979 SendMessageA( wndPtr
->parent
->hwndSelf
, WM_PARENTNOTIFY
,
980 MAKEWPARAM(WM_CREATE
, wndPtr
->wIDmenu
), (LPARAM
)hwnd
);
981 if( !IsWindow(hwnd
) )
988 if (cs
->style
& WS_VISIBLE
) ShowWindow( hwnd
, sw
);
990 /* Call WH_SHELL hook */
992 if (!(wndPtr
->dwStyle
& WS_CHILD
) && !wndPtr
->owner
)
993 HOOK_CallHooks16( WH_SHELL
, HSHELL_WINDOWCREATED
, hwnd
, 0 );
995 TRACE("created window %04x\n", hwnd
);
999 WIN_UnlinkWindow( hwnd
);
1002 /* Abort window creation */
1004 WARN("aborted by WM_xxCREATE!\n");
1005 WIN_ReleaseWndPtr(WIN_DestroyWindow( wndPtr
));
1006 CLASS_RemoveWindow( classPtr
);
1009 WIN_ReleaseWndPtr(wndPtr
);
1015 /***********************************************************************
1016 * CreateWindow (USER.41)
1018 HWND16 WINAPI
CreateWindow16( LPCSTR className
, LPCSTR windowName
,
1019 DWORD style
, INT16 x
, INT16 y
, INT16 width
,
1020 INT16 height
, HWND16 parent
, HMENU16 menu
,
1021 HINSTANCE16 instance
, LPVOID data
)
1023 return CreateWindowEx16( 0, className
, windowName
, style
,
1024 x
, y
, width
, height
, parent
, menu
, instance
, data
);
1028 /***********************************************************************
1029 * CreateWindowEx (USER.452)
1031 HWND16 WINAPI
CreateWindowEx16( DWORD exStyle
, LPCSTR className
,
1032 LPCSTR windowName
, DWORD style
, INT16 x
,
1033 INT16 y
, INT16 width
, INT16 height
,
1034 HWND16 parent
, HMENU16 menu
,
1035 HINSTANCE16 instance
, LPVOID data
)
1041 /* Find the class atom */
1043 if (HIWORD(className
))
1045 if (!(classAtom
= GlobalFindAtomA( className
)))
1047 ERR( "bad class name %s\n", debugres_a(className
) );
1053 classAtom
= LOWORD(className
);
1054 if (!GlobalGetAtomNameA( classAtom
, buffer
, sizeof(buffer
) ))
1056 ERR( "bad atom %x\n", classAtom
);
1062 /* Fix the coordinates */
1064 cs
.x
= (x
== CW_USEDEFAULT16
) ? CW_USEDEFAULT
: (INT
)x
;
1065 cs
.y
= (y
== CW_USEDEFAULT16
) ? CW_USEDEFAULT
: (INT
)y
;
1066 cs
.cx
= (width
== CW_USEDEFAULT16
) ? CW_USEDEFAULT
: (INT
)width
;
1067 cs
.cy
= (height
== CW_USEDEFAULT16
) ? CW_USEDEFAULT
: (INT
)height
;
1069 /* Create the window */
1071 cs
.lpCreateParams
= data
;
1072 cs
.hInstance
= (HINSTANCE
)instance
;
1073 cs
.hMenu
= (HMENU
)menu
;
1074 cs
.hwndParent
= (HWND
)parent
;
1076 cs
.lpszName
= windowName
;
1077 cs
.lpszClass
= className
;
1078 cs
.dwExStyle
= exStyle
;
1080 return WIN_CreateWindowEx( &cs
, classAtom
, WIN_PROC_16
);
1084 /***********************************************************************
1085 * CreateWindowExA (USER32.@)
1087 HWND WINAPI
CreateWindowExA( DWORD exStyle
, LPCSTR className
,
1088 LPCSTR windowName
, DWORD style
, INT x
,
1089 INT y
, INT width
, INT height
,
1090 HWND parent
, HMENU menu
,
1091 HINSTANCE instance
, LPVOID data
)
1098 instance
=GetModuleHandleA(NULL
);
1100 if(exStyle
& WS_EX_MDICHILD
)
1101 return CreateMDIWindowA(className
, windowName
, style
, x
, y
, width
, height
, parent
, instance
, (LPARAM
)data
);
1103 /* Find the class atom */
1105 if (HIWORD(className
))
1107 if (!(classAtom
= GlobalFindAtomA( className
)))
1109 ERR( "bad class name %s\n", debugres_a(className
) );
1115 classAtom
= LOWORD(className
);
1116 if (!GlobalGetAtomNameA( classAtom
, buffer
, sizeof(buffer
) ))
1118 ERR( "bad atom %x\n", classAtom
);
1124 /* Create the window */
1126 cs
.lpCreateParams
= data
;
1127 cs
.hInstance
= instance
;
1129 cs
.hwndParent
= parent
;
1135 cs
.lpszName
= windowName
;
1136 cs
.lpszClass
= className
;
1137 cs
.dwExStyle
= exStyle
;
1139 return WIN_CreateWindowEx( &cs
, classAtom
, WIN_PROC_32A
);
1143 /***********************************************************************
1144 * CreateWindowExW (USER32.@)
1146 HWND WINAPI
CreateWindowExW( DWORD exStyle
, LPCWSTR className
,
1147 LPCWSTR windowName
, DWORD style
, INT x
,
1148 INT y
, INT width
, INT height
,
1149 HWND parent
, HMENU menu
,
1150 HINSTANCE instance
, LPVOID data
)
1157 instance
=GetModuleHandleA(NULL
);
1159 if(exStyle
& WS_EX_MDICHILD
)
1160 return CreateMDIWindowW(className
, windowName
, style
, x
, y
, width
, height
, parent
, instance
, (LPARAM
)data
);
1162 /* Find the class atom */
1164 if (HIWORD(className
))
1166 if (!(classAtom
= GlobalFindAtomW( className
)))
1168 ERR( "bad class name %s\n", debugres_w(className
) );
1174 classAtom
= LOWORD(className
);
1175 if (!GlobalGetAtomNameW( classAtom
, buffer
, sizeof(buffer
)/sizeof(WCHAR
) ))
1177 ERR( "bad atom %x\n", classAtom
);
1183 /* Create the window */
1185 cs
.lpCreateParams
= data
;
1186 cs
.hInstance
= instance
;
1188 cs
.hwndParent
= parent
;
1194 cs
.lpszName
= windowName
;
1195 cs
.lpszClass
= className
;
1196 cs
.dwExStyle
= exStyle
;
1198 /* Note: we rely on the fact that CREATESTRUCTA and */
1199 /* CREATESTRUCTW have the same layout. */
1200 return WIN_CreateWindowEx( (CREATESTRUCTA
*)&cs
, classAtom
, WIN_PROC_32W
);
1203 /***********************************************************************
1204 * WIN_SendDestroyMsg
1206 static void WIN_SendDestroyMsg( WND
* pWnd
)
1208 if( CARET_GetHwnd() == pWnd
->hwndSelf
) DestroyCaret();
1209 USER_Driver
.pResetSelectionOwner( pWnd
, TRUE
);
1212 * Send the WM_DESTROY to the window.
1214 SendMessageA( pWnd
->hwndSelf
, WM_DESTROY
, 0, 0);
1217 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1218 * make sure that the window still exists when we come back.
1220 if (IsWindow(pWnd
->hwndSelf
))
1222 HWND
* pWndArray
= NULL
;
1227 * Now, if the window has kids, we have to send WM_DESTROY messages
1228 * recursively to it's kids. It seems that those calls can also
1229 * trigger re-entrant calls to DestroyWindow for the kids so we must
1230 * protect against corruption of the list of siblings. We first build
1231 * a list of HWNDs representing all the kids.
1233 pChild
= WIN_LockWndPtr(pWnd
->child
);
1237 WIN_UpdateWndPtr(&pChild
,pChild
->next
);
1241 * If there are no kids, we're done.
1246 pWndArray
= HeapAlloc(GetProcessHeap(), 0, nKidCount
*sizeof(HWND
));
1251 if (pWndArray
==NULL
)
1255 * Now, enumerate all the kids in a list, since we wait to make the SendMessage
1256 * call, our linked list of siblings should be safe.
1259 pChild
= WIN_LockWndPtr(pWnd
->child
);
1262 pWndArray
[nKidCount
] = pChild
->hwndSelf
;
1264 WIN_UpdateWndPtr(&pChild
,pChild
->next
);
1268 * Now that we have a list, go through that list again and send the destroy
1269 * message to those windows. We are using the HWND to retrieve the
1270 * WND pointer so we are effectively checking that all the kid windows are
1271 * still valid before sending the message.
1275 pChild
= WIN_FindWndPtr(pWndArray
[--nKidCount
]);
1279 WIN_SendDestroyMsg( pChild
);
1280 WIN_ReleaseWndPtr(pChild
);
1287 HeapFree(GetProcessHeap(), 0, pWndArray
);
1290 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1294 /***********************************************************************
1295 * DestroyWindow (USER.53)
1297 BOOL16 WINAPI
DestroyWindow16( HWND16 hwnd
)
1299 return DestroyWindow(hwnd
);
1303 /***********************************************************************
1304 * DestroyWindow (USER32.@)
1306 BOOL WINAPI
DestroyWindow( HWND hwnd
)
1311 BOOL bFocusSet
= FALSE
;
1313 TRACE("(%04x)\n", hwnd
);
1315 /* Initialization */
1317 if (!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
1318 if (wndPtr
== pWndDesktop
)
1320 retvalue
= FALSE
; /* Can't destroy desktop */
1324 /* Look whether the focus is within the tree of windows we will
1328 while (h
&& (GetWindowLongA(h
,GWL_STYLE
) & WS_CHILD
))
1332 SetFocus(GetWindowLongA(hwnd
,GWL_HWNDPARENT
));
1336 h
= GetWindowLongA(h
,GWL_HWNDPARENT
);
1338 /* If the focus is on the window we will destroy and it has no parent,
1339 * set the focus to 0.
1341 if (! bFocusSet
&& (h
== hwnd
))
1343 if (!(GetWindowLongA(h
,GWL_STYLE
) & WS_CHILD
))
1349 if( HOOK_CallHooks16( WH_CBT
, HCBT_DESTROYWND
, hwnd
, 0L) )
1355 if (!(wndPtr
->dwStyle
& WS_CHILD
) && !wndPtr
->owner
)
1357 HOOK_CallHooks16( WH_SHELL
, HSHELL_WINDOWDESTROYED
, hwnd
, 0L );
1358 /* FIXME: clean up palette - see "Internals" p.352 */
1361 if( !QUEUE_IsExitingQueue(wndPtr
->hmemTaskQ
) )
1362 if( wndPtr
->dwStyle
& WS_CHILD
&& !(wndPtr
->dwExStyle
& WS_EX_NOPARENTNOTIFY
) )
1364 /* Notify the parent window only */
1365 SendMessageA( wndPtr
->parent
->hwndSelf
, WM_PARENTNOTIFY
,
1366 MAKEWPARAM(WM_DESTROY
, wndPtr
->wIDmenu
), (LPARAM
)hwnd
);
1367 if( !IsWindow(hwnd
) )
1374 USER_Driver
.pResetSelectionOwner( wndPtr
, FALSE
); /* before the window is unmapped */
1376 /* Hide the window */
1378 if (wndPtr
->dwStyle
& WS_VISIBLE
)
1380 SetWindowPos( hwnd
, 0, 0, 0, 0, 0, SWP_HIDEWINDOW
|
1381 SWP_NOACTIVATE
|SWP_NOZORDER
|SWP_NOMOVE
|SWP_NOSIZE
|
1382 ((QUEUE_IsExitingQueue(wndPtr
->hmemTaskQ
))?SWP_DEFERERASE
:0) );
1383 if (!IsWindow(hwnd
))
1390 /* Recursively destroy owned windows */
1392 if( !(wndPtr
->dwStyle
& WS_CHILD
) )
1394 /* make sure top menu popup doesn't get destroyed */
1395 MENU_PatchResidentPopup( (HQUEUE16
)0xFFFF, wndPtr
);
1399 WND
*siblingPtr
= WIN_LockWndPtr(wndPtr
->parent
->child
); /* First sibling */
1402 if (siblingPtr
->owner
== wndPtr
)
1404 if (siblingPtr
->hmemTaskQ
== wndPtr
->hmemTaskQ
)
1407 siblingPtr
->owner
= NULL
;
1409 WIN_UpdateWndPtr(&siblingPtr
,siblingPtr
->next
);
1413 DestroyWindow( siblingPtr
->hwndSelf
);
1414 WIN_ReleaseWndPtr(siblingPtr
);
1419 if( !Options
.managed
|| EVENT_CheckFocus() )
1420 WINPOS_ActivateOtherWindow(wndPtr
);
1422 if( wndPtr
->owner
&&
1423 wndPtr
->owner
->hwndLastActive
== wndPtr
->hwndSelf
)
1424 wndPtr
->owner
->hwndLastActive
= wndPtr
->owner
->hwndSelf
;
1427 /* Send destroy messages */
1429 WIN_SendDestroyMsg( wndPtr
);
1430 if (!IsWindow(hwnd
))
1436 /* Unlink now so we won't bother with the children later on */
1438 if( wndPtr
->parent
) WIN_UnlinkWindow(hwnd
);
1440 /* Destroy the window storage */
1442 WIN_ReleaseWndPtr(WIN_DestroyWindow( wndPtr
));
1445 WIN_ReleaseWndPtr(wndPtr
);
1450 /***********************************************************************
1451 * CloseWindow (USER.43)
1453 BOOL16 WINAPI
CloseWindow16( HWND16 hwnd
)
1455 return CloseWindow( hwnd
);
1459 /***********************************************************************
1460 * CloseWindow (USER32.@)
1462 BOOL WINAPI
CloseWindow( HWND hwnd
)
1464 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1467 if (!wndPtr
|| (wndPtr
->dwStyle
& WS_CHILD
))
1472 ShowWindow( hwnd
, SW_MINIMIZE
);
1475 WIN_ReleaseWndPtr(wndPtr
);
1481 /***********************************************************************
1482 * OpenIcon (USER.44)
1484 BOOL16 WINAPI
OpenIcon16( HWND16 hwnd
)
1486 return OpenIcon( hwnd
);
1490 /***********************************************************************
1491 * OpenIcon (USER32.@)
1493 BOOL WINAPI
OpenIcon( HWND hwnd
)
1495 if (!IsIconic( hwnd
)) return FALSE
;
1496 ShowWindow( hwnd
, SW_SHOWNORMAL
);
1501 /***********************************************************************
1504 * Implementation of FindWindow() and FindWindowEx().
1506 static HWND
WIN_FindWindow( HWND parent
, HWND child
, ATOM className
,
1514 if (!(pWnd
= WIN_FindWndPtr( child
))) return 0;
1517 if (!pWnd
->parent
|| (pWnd
->parent
->hwndSelf
!= parent
))
1523 else if (pWnd
->parent
!= pWndDesktop
)
1528 WIN_UpdateWndPtr(&pWnd
,pWnd
->next
);
1532 if (!(pWnd
= parent
? WIN_FindWndPtr(parent
) : WIN_LockWndPtr(pWndDesktop
)))
1537 WIN_UpdateWndPtr(&pWnd
,pWnd
->child
);
1545 for ( ; pWnd
; WIN_UpdateWndPtr(&pWnd
,pWnd
->next
))
1547 if (className
&& (GetClassWord(pWnd
->hwndSelf
, GCW_ATOM
) != className
))
1548 continue; /* Not the right class */
1550 /* Now check the title */
1554 retvalue
= pWnd
->hwndSelf
;
1557 if (pWnd
->text
&& !strcmpW( pWnd
->text
, title
))
1559 retvalue
= pWnd
->hwndSelf
;
1564 /* In this case we need to check whether other processes
1565 own a window with the given paramters on the Desktop,
1566 but we don't, so let's at least warn about it */
1567 FIXME("Returning 0 without checking other processes\n");
1569 WIN_ReleaseWndPtr(pWnd
);
1575 /***********************************************************************
1576 * FindWindow (USER.50)
1578 HWND16 WINAPI
FindWindow16( LPCSTR className
, LPCSTR title
)
1580 return FindWindowA( className
, title
);
1584 /***********************************************************************
1585 * FindWindowEx (USER.427)
1587 HWND16 WINAPI
FindWindowEx16( HWND16 parent
, HWND16 child
, LPCSTR className
, LPCSTR title
)
1589 return FindWindowExA( parent
, child
, className
, title
);
1593 /***********************************************************************
1594 * FindWindowA (USER32.@)
1596 HWND WINAPI
FindWindowA( LPCSTR className
, LPCSTR title
)
1598 HWND ret
= FindWindowExA( 0, 0, className
, title
);
1599 if (!ret
) SetLastError (ERROR_CANNOT_FIND_WND_CLASS
);
1604 /***********************************************************************
1605 * FindWindowExA (USER32.@)
1607 HWND WINAPI
FindWindowExA( HWND parent
, HWND child
,
1608 LPCSTR className
, LPCSTR title
)
1616 /* If the atom doesn't exist, then no class */
1617 /* with this name exists either. */
1618 if (!(atom
= GlobalFindAtomA( className
)))
1620 SetLastError (ERROR_CANNOT_FIND_WND_CLASS
);
1625 buffer
= HEAP_strdupAtoW( GetProcessHeap(), 0, title
);
1626 hwnd
= WIN_FindWindow( parent
, child
, atom
, buffer
);
1627 HeapFree( GetProcessHeap(), 0, buffer
);
1632 /***********************************************************************
1633 * FindWindowExW (USER32.@)
1635 HWND WINAPI
FindWindowExW( HWND parent
, HWND child
,
1636 LPCWSTR className
, LPCWSTR title
)
1642 /* If the atom doesn't exist, then no class */
1643 /* with this name exists either. */
1644 if (!(atom
= GlobalFindAtomW( className
)))
1646 SetLastError (ERROR_CANNOT_FIND_WND_CLASS
);
1650 return WIN_FindWindow( parent
, child
, atom
, title
);
1654 /***********************************************************************
1655 * FindWindowW (USER32.@)
1657 HWND WINAPI
FindWindowW( LPCWSTR className
, LPCWSTR title
)
1659 return FindWindowExW( 0, 0, className
, title
);
1663 /**********************************************************************
1665 * returns a locked pointer
1667 WND
*WIN_GetDesktop(void)
1669 return WIN_LockWndPtr(pWndDesktop
);
1671 /**********************************************************************
1672 * WIN_ReleaseDesktop
1673 * unlock the desktop pointer
1675 void WIN_ReleaseDesktop(void)
1677 WIN_ReleaseWndPtr(pWndDesktop
);
1681 /**********************************************************************
1682 * GetDesktopWindow (USER.286)
1684 HWND16 WINAPI
GetDesktopWindow16(void)
1686 return (HWND16
)pWndDesktop
->hwndSelf
;
1690 /**********************************************************************
1691 * GetDesktopWindow (USER32.@)
1693 HWND WINAPI
GetDesktopWindow(void)
1695 if (pWndDesktop
) return pWndDesktop
->hwndSelf
;
1696 ERR( "You need the -desktop option when running with native USER\n" );
1702 /**********************************************************************
1703 * GetDesktopHwnd (USER.278)
1705 * Exactly the same thing as GetDesktopWindow(), but not documented.
1706 * Don't ask me why...
1708 HWND16 WINAPI
GetDesktopHwnd16(void)
1710 return (HWND16
)pWndDesktop
->hwndSelf
;
1714 /*******************************************************************
1715 * EnableWindow (USER.34)
1717 BOOL16 WINAPI
EnableWindow16( HWND16 hwnd
, BOOL16 enable
)
1719 return EnableWindow( hwnd
, enable
);
1723 /*******************************************************************
1724 * EnableWindow (USER32.@)
1726 BOOL WINAPI
EnableWindow( HWND hwnd
, BOOL enable
)
1731 TRACE("EnableWindow32: ( %x, %d )\n", hwnd
, enable
);
1733 if (!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
1734 if (enable
&& (wndPtr
->dwStyle
& WS_DISABLED
))
1737 wndPtr
->dwStyle
&= ~WS_DISABLED
;
1739 if( wndPtr
->flags
& WIN_NATIVE
)
1740 wndPtr
->pDriver
->pSetHostAttr( wndPtr
, HAK_ACCEPTFOCUS
, TRUE
);
1742 SendMessageA( hwnd
, WM_ENABLE
, TRUE
, 0 );
1746 else if (!enable
&& !(wndPtr
->dwStyle
& WS_DISABLED
))
1748 SendMessageA( wndPtr
->hwndSelf
, WM_CANCELMODE
, 0, 0);
1750 /* Disable window */
1751 wndPtr
->dwStyle
|= WS_DISABLED
;
1753 if( wndPtr
->flags
& WIN_NATIVE
)
1754 wndPtr
->pDriver
->pSetHostAttr( wndPtr
, HAK_ACCEPTFOCUS
, FALSE
);
1756 if (hwnd
== GetFocus())
1758 SetFocus( 0 ); /* A disabled window can't have the focus */
1760 if (hwnd
== GetCapture())
1762 ReleaseCapture(); /* A disabled window can't capture the mouse */
1764 SendMessageA( hwnd
, WM_ENABLE
, FALSE
, 0 );
1768 retvalue
= ((wndPtr
->dwStyle
& WS_DISABLED
) != 0);
1770 WIN_ReleaseWndPtr(wndPtr
);
1775 /***********************************************************************
1776 * IsWindowEnabled (USER.35)
1778 BOOL16 WINAPI
IsWindowEnabled16(HWND16 hWnd
)
1780 return IsWindowEnabled(hWnd
);
1784 /***********************************************************************
1785 * IsWindowEnabled (USER32.@)
1787 BOOL WINAPI
IsWindowEnabled(HWND hWnd
)
1792 if (!(wndPtr
= WIN_FindWndPtr(hWnd
))) return FALSE
;
1793 retvalue
= !(wndPtr
->dwStyle
& WS_DISABLED
);
1794 WIN_ReleaseWndPtr(wndPtr
);
1800 /***********************************************************************
1801 * IsWindowUnicode (USER32.@)
1803 BOOL WINAPI
IsWindowUnicode( HWND hwnd
)
1808 if (!(wndPtr
= WIN_FindWndPtr(hwnd
))) return FALSE
;
1809 retvalue
= (WINPROC_GetProcType( wndPtr
->winproc
) == WIN_PROC_32W
);
1810 WIN_ReleaseWndPtr(wndPtr
);
1815 /**********************************************************************
1816 * GetWindowWord (USER.133)
1818 WORD WINAPI
GetWindowWord16( HWND16 hwnd
, INT16 offset
)
1820 return GetWindowWord( hwnd
, offset
);
1824 /**********************************************************************
1825 * GetWindowWord (USER32.@)
1827 WORD WINAPI
GetWindowWord( HWND hwnd
, INT offset
)
1830 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1831 if (!wndPtr
) return 0;
1834 if (offset
+ sizeof(WORD
) > wndPtr
->cbWndExtra
)
1836 WARN("Invalid offset %d\n", offset
);
1840 retvalue
= *(WORD
*)(((char *)wndPtr
->wExtra
) + offset
);
1846 if (HIWORD(wndPtr
->wIDmenu
))
1847 WARN("GWW_ID: discards high bits of 0x%08x!\n",
1849 retvalue
= (WORD
)wndPtr
->wIDmenu
;
1851 case GWW_HWNDPARENT
:
1852 retvalue
= GetParent(hwnd
);
1855 if (HIWORD(wndPtr
->hInstance
))
1856 WARN("GWW_HINSTANCE: discards high bits of 0x%08x!\n",
1858 retvalue
= (WORD
)wndPtr
->hInstance
;
1861 WARN("Invalid offset %d\n", offset
);
1866 WIN_ReleaseWndPtr(wndPtr
);
1870 /**********************************************************************
1871 * SetWindowWord (USER.134)
1873 WORD WINAPI
SetWindowWord16( HWND16 hwnd
, INT16 offset
, WORD newval
)
1875 return SetWindowWord( hwnd
, offset
, newval
);
1879 /**********************************************************************
1880 * SetWindowWord (USER32.@)
1882 WORD WINAPI
SetWindowWord( HWND hwnd
, INT offset
, WORD newval
)
1885 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1886 if (!wndPtr
) return 0;
1889 if (offset
+ sizeof(WORD
) > wndPtr
->cbWndExtra
)
1891 WARN("Invalid offset %d\n", offset
);
1895 ptr
= (WORD
*)(((char *)wndPtr
->wExtra
) + offset
);
1899 case GWW_ID
: ptr
= (WORD
*)&wndPtr
->wIDmenu
; break;
1900 case GWW_HINSTANCE
: ptr
= (WORD
*)&wndPtr
->hInstance
; break;
1901 case GWW_HWNDPARENT
: retval
= SetParent( hwnd
, newval
);
1904 WARN("Invalid offset %d\n", offset
);
1911 WIN_ReleaseWndPtr(wndPtr
);
1916 /**********************************************************************
1919 * Helper function for GetWindowLong().
1921 static LONG
WIN_GetWindowLong( HWND hwnd
, INT offset
, WINDOWPROCTYPE type
)
1924 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1925 if (!wndPtr
) return 0;
1928 if (offset
+ sizeof(LONG
) > wndPtr
->cbWndExtra
)
1930 WARN("Invalid offset %d\n", offset
);
1934 retvalue
= *(LONG
*)(((char *)wndPtr
->wExtra
) + offset
);
1935 /* Special case for dialog window procedure */
1936 if ((offset
== DWL_DLGPROC
) && (wndPtr
->flags
& WIN_ISDIALOG
))
1938 retvalue
= (LONG
)WINPROC_GetProc( (HWINDOWPROC
)retvalue
, type
);
1945 case GWL_USERDATA
: retvalue
= wndPtr
->userdata
;
1947 case GWL_STYLE
: retvalue
= wndPtr
->dwStyle
;
1949 case GWL_EXSTYLE
: retvalue
= wndPtr
->dwExStyle
;
1951 case GWL_ID
: retvalue
= (LONG
)wndPtr
->wIDmenu
;
1953 case GWL_WNDPROC
: retvalue
= (LONG
)WINPROC_GetProc( wndPtr
->winproc
,
1956 case GWL_HWNDPARENT
: retvalue
= GetParent(hwnd
);
1958 case GWL_HINSTANCE
: retvalue
= wndPtr
->hInstance
;
1961 WARN("Unknown offset %d\n", offset
);
1965 WIN_ReleaseWndPtr(wndPtr
);
1970 /**********************************************************************
1973 * Helper function for SetWindowLong().
1975 * 0 is the failure code. However, in the case of failure SetLastError
1976 * must be set to distinguish between a 0 return value and a failure.
1978 * FIXME: The error values for SetLastError may not be right. Can
1979 * someone check with the real thing?
1981 static LONG
WIN_SetWindowLong( HWND hwnd
, INT offset
, LONG newval
,
1982 WINDOWPROCTYPE type
)
1985 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1988 TRACE("%x=%p %x %lx %x\n",hwnd
, wndPtr
, offset
, newval
, type
);
1992 /* Is this the right error? */
1993 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
1999 if (offset
+ sizeof(LONG
) > wndPtr
->cbWndExtra
)
2001 WARN("Invalid offset %d\n", offset
);
2003 /* Is this the right error? */
2004 SetLastError( ERROR_OUTOFMEMORY
);
2009 ptr
= (LONG
*)(((char *)wndPtr
->wExtra
) + offset
);
2010 /* Special case for dialog window procedure */
2011 if ((offset
== DWL_DLGPROC
) && (wndPtr
->flags
& WIN_ISDIALOG
))
2013 retval
= (LONG
)WINPROC_GetProc( (HWINDOWPROC
)*ptr
, type
);
2014 WINPROC_SetProc( (HWINDOWPROC
*)ptr
, (WNDPROC16
)newval
,
2015 type
, WIN_PROC_WINDOW
);
2022 ptr
= (DWORD
*)&wndPtr
->wIDmenu
;
2025 retval
= SetWindowWord( hwnd
, offset
, newval
);
2028 retval
= (LONG
)WINPROC_GetProc( wndPtr
->winproc
, type
);
2029 WINPROC_SetProc( &wndPtr
->winproc
, (WNDPROC16
)newval
,
2030 type
, WIN_PROC_WINDOW
);
2033 style
.styleOld
= wndPtr
->dwStyle
;
2034 newval
&= ~(WS_CHILD
); /* this bit can't be changed this way */
2035 style
.styleNew
= newval
| (style
.styleOld
& (WS_CHILD
));
2037 if (wndPtr
->flags
& WIN_ISWIN32
)
2038 SendMessageA(hwnd
,WM_STYLECHANGING
,GWL_STYLE
,(LPARAM
)&style
);
2039 wndPtr
->dwStyle
= style
.styleNew
;
2040 if (wndPtr
->flags
& WIN_ISWIN32
)
2041 SendMessageA(hwnd
,WM_STYLECHANGED
,GWL_STYLE
,(LPARAM
)&style
);
2042 retval
= style
.styleOld
;
2046 ptr
= &wndPtr
->userdata
;
2049 style
.styleOld
= wndPtr
->dwExStyle
;
2050 style
.styleNew
= newval
;
2051 if (wndPtr
->flags
& WIN_ISWIN32
)
2052 SendMessageA(hwnd
,WM_STYLECHANGING
,GWL_EXSTYLE
,(LPARAM
)&style
);
2053 wndPtr
->dwExStyle
= newval
;
2054 if (wndPtr
->flags
& WIN_ISWIN32
)
2055 SendMessageA(hwnd
,WM_STYLECHANGED
,GWL_EXSTYLE
,(LPARAM
)&style
);
2056 retval
= style
.styleOld
;
2060 WARN("Invalid offset %d\n", offset
);
2062 /* Don't think this is right error but it should do */
2063 SetLastError( ERROR_OUTOFMEMORY
);
2071 WIN_ReleaseWndPtr(wndPtr
);
2076 /**********************************************************************
2077 * GetWindowLong (USER.135)
2079 LONG WINAPI
GetWindowLong16( HWND16 hwnd
, INT16 offset
)
2081 return WIN_GetWindowLong( (HWND
)hwnd
, offset
, WIN_PROC_16
);
2085 /**********************************************************************
2086 * GetWindowLongA (USER32.@)
2088 LONG WINAPI
GetWindowLongA( HWND hwnd
, INT offset
)
2090 return WIN_GetWindowLong( hwnd
, offset
, WIN_PROC_32A
);
2094 /**********************************************************************
2095 * GetWindowLongW (USER32.@)
2097 LONG WINAPI
GetWindowLongW( HWND hwnd
, INT offset
)
2099 return WIN_GetWindowLong( hwnd
, offset
, WIN_PROC_32W
);
2103 /**********************************************************************
2104 * SetWindowLong (USER.136)
2106 LONG WINAPI
SetWindowLong16( HWND16 hwnd
, INT16 offset
, LONG newval
)
2108 return WIN_SetWindowLong( hwnd
, offset
, newval
, WIN_PROC_16
);
2112 /**********************************************************************
2113 * SetWindowLongA (USER32.@)
2115 LONG WINAPI
SetWindowLongA( HWND hwnd
, INT offset
, LONG newval
)
2117 return WIN_SetWindowLong( hwnd
, offset
, newval
, WIN_PROC_32A
);
2121 /**********************************************************************
2122 * SetWindowLongW (USER32.@) Set window attribute
2124 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2125 * value in a window's extra memory.
2127 * The _hwnd_ parameter specifies the window. is the handle to a
2128 * window that has extra memory. The _newval_ parameter contains the
2129 * new attribute or extra memory value. If positive, the _offset_
2130 * parameter is the byte-addressed location in the window's extra
2131 * memory to set. If negative, _offset_ specifies the window
2132 * attribute to set, and should be one of the following values:
2134 * GWL_EXSTYLE The window's extended window style
2136 * GWL_STYLE The window's window style.
2138 * GWL_WNDPROC Pointer to the window's window procedure.
2140 * GWL_HINSTANCE The window's pplication instance handle.
2142 * GWL_ID The window's identifier.
2144 * GWL_USERDATA The window's user-specified data.
2146 * If the window is a dialog box, the _offset_ parameter can be one of
2147 * the following values:
2149 * DWL_DLGPROC The address of the window's dialog box procedure.
2151 * DWL_MSGRESULT The return value of a message
2152 * that the dialog box procedure processed.
2154 * DWL_USER Application specific information.
2158 * If successful, returns the previous value located at _offset_. Otherwise,
2163 * Extra memory for a window class is specified by a nonzero cbWndExtra
2164 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2165 * time of class creation.
2167 * Using GWL_WNDPROC to set a new window procedure effectively creates
2168 * a window subclass. Use CallWindowProc() in the new windows procedure
2169 * to pass messages to the superclass's window procedure.
2171 * The user data is reserved for use by the application which created
2174 * Do not use GWL_STYLE to change the window's WS_DISABLE style;
2175 * instead, call the EnableWindow() function to change the window's
2178 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2179 * SetParent() instead.
2182 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2183 * it sends WM_STYLECHANGING before changing the settings
2184 * and WM_STYLECHANGED afterwards.
2185 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2189 * GWL_STYLE does not dispatch WM_STYLE... messages.
2196 LONG WINAPI
SetWindowLongW(
2197 HWND hwnd
, /* [in] window to alter */
2198 INT offset
, /* [in] offset, in bytes, of location to alter */
2199 LONG newval
/* [in] new value of location */
2201 return WIN_SetWindowLong( hwnd
, offset
, newval
, WIN_PROC_32W
);
2205 /*******************************************************************
2206 * GetWindowText (USER.36)
2208 INT16 WINAPI
GetWindowText16( HWND16 hwnd
, SEGPTR lpString
, INT16 nMaxCount
)
2210 return (INT16
)SendMessage16(hwnd
, WM_GETTEXT
, nMaxCount
, (LPARAM
)lpString
);
2214 /*******************************************************************
2215 * GetWindowTextA (USER32.@)
2217 INT WINAPI
GetWindowTextA( HWND hwnd
, LPSTR lpString
, INT nMaxCount
)
2219 return (INT
)SendMessageA( hwnd
, WM_GETTEXT
, nMaxCount
,
2223 /*******************************************************************
2224 * InternalGetWindowText (USER32.@)
2226 INT WINAPI
InternalGetWindowText(HWND hwnd
,LPWSTR lpString
,INT nMaxCount
)
2228 FIXME("(0x%08x,%p,0x%x),stub!\n",hwnd
,lpString
,nMaxCount
);
2229 return GetWindowTextW(hwnd
,lpString
,nMaxCount
);
2233 /*******************************************************************
2234 * GetWindowTextW (USER32.@)
2236 INT WINAPI
GetWindowTextW( HWND hwnd
, LPWSTR lpString
, INT nMaxCount
)
2238 return (INT
)SendMessageW( hwnd
, WM_GETTEXT
, nMaxCount
,
2243 /*******************************************************************
2244 * SetWindowText (USER.37)
2246 BOOL16 WINAPI
SetWindowText16( HWND16 hwnd
, SEGPTR lpString
)
2248 return (BOOL16
)SendMessage16( hwnd
, WM_SETTEXT
, 0, (LPARAM
)lpString
);
2252 /*******************************************************************
2253 * SetWindowText (USER32.@)
2255 BOOL WINAPI
SetWindowTextA( HWND hwnd
, LPCSTR lpString
)
2257 return (BOOL
)SendMessageA( hwnd
, WM_SETTEXT
, 0, (LPARAM
)lpString
);
2261 /*******************************************************************
2262 * SetWindowTextW (USER32.@)
2264 BOOL WINAPI
SetWindowTextW( HWND hwnd
, LPCWSTR lpString
)
2266 return (BOOL
)SendMessageW( hwnd
, WM_SETTEXT
, 0, (LPARAM
)lpString
);
2270 /*******************************************************************
2271 * GetWindowTextLength (USER.38)
2273 INT16 WINAPI
GetWindowTextLength16( HWND16 hwnd
)
2275 return (INT16
)SendMessage16( hwnd
, WM_GETTEXTLENGTH
, 0, 0 );
2279 /*******************************************************************
2280 * GetWindowTextLengthA (USER32.@)
2282 INT WINAPI
GetWindowTextLengthA( HWND hwnd
)
2284 return SendMessageA( hwnd
, WM_GETTEXTLENGTH
, 0, 0 );
2287 /*******************************************************************
2288 * GetWindowTextLengthW (USER32.@)
2290 INT WINAPI
GetWindowTextLengthW( HWND hwnd
)
2292 return SendMessageW( hwnd
, WM_GETTEXTLENGTH
, 0, 0 );
2296 /*******************************************************************
2297 * IsWindow (USER.47)
2299 BOOL16 WINAPI
IsWindow16( HWND16 hwnd
)
2301 CURRENT_STACK16
->es
= USER_HeapSel
;
2302 return IsWindow( hwnd
);
2306 /*******************************************************************
2307 * IsWindow (USER32.@)
2309 BOOL WINAPI
IsWindow( HWND hwnd
)
2314 if(!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
2315 retvalue
= (wndPtr
->dwMagic
== WND_MAGIC
);
2316 WIN_ReleaseWndPtr(wndPtr
);
2322 /*****************************************************************
2323 * GetParent (USER.46)
2325 HWND16 WINAPI
GetParent16( HWND16 hwnd
)
2327 return (HWND16
)GetParent( hwnd
);
2331 /*****************************************************************
2332 * GetParent (USER32.@)
2334 HWND WINAPI
GetParent( HWND hwnd
)
2339 if(!(wndPtr
= WIN_FindWndPtr(hwnd
))) return 0;
2340 if ((!(wndPtr
->dwStyle
& (WS_POPUP
|WS_CHILD
))))
2343 WIN_UpdateWndPtr(&wndPtr
,((wndPtr
->dwStyle
& WS_CHILD
) ? wndPtr
->parent
: wndPtr
->owner
));
2345 retvalue
= wndPtr
->hwndSelf
;
2348 WIN_ReleaseWndPtr(wndPtr
);
2353 /*****************************************************************
2356 * Get the top-level parent for a child window.
2357 * returns a locked pointer
2359 WND
* WIN_GetTopParentPtr( WND
* pWnd
)
2361 WND
*tmpWnd
= WIN_LockWndPtr(pWnd
);
2363 while( tmpWnd
&& (tmpWnd
->dwStyle
& WS_CHILD
))
2365 WIN_UpdateWndPtr(&tmpWnd
,tmpWnd
->parent
);
2370 /*****************************************************************
2373 * Get the top-level parent for a child window.
2375 HWND
WIN_GetTopParent( HWND hwnd
)
2378 WND
*tmpPtr
= WIN_FindWndPtr(hwnd
);
2379 WND
*wndPtr
= WIN_GetTopParentPtr (tmpPtr
);
2381 retvalue
= wndPtr
? wndPtr
->hwndSelf
: 0;
2382 WIN_ReleaseWndPtr(tmpPtr
);
2383 WIN_ReleaseWndPtr(wndPtr
);
2388 /*****************************************************************
2389 * SetParent (USER.233)
2391 HWND16 WINAPI
SetParent16( HWND16 hwndChild
, HWND16 hwndNewParent
)
2393 return SetParent( hwndChild
, hwndNewParent
);
2397 /*****************************************************************
2398 * SetParent (USER32.@)
2400 HWND WINAPI
SetParent( HWND hwndChild
, HWND hwndNewParent
)
2409 if(!(wndPtr
= WIN_FindWndPtr(hwndChild
))) return 0;
2411 dwStyle
= wndPtr
->dwStyle
;
2413 pWndNewParent
= hwndNewParent
? WIN_FindWndPtr(hwndNewParent
)
2414 : WIN_LockWndPtr(pWndDesktop
);
2416 /* Windows hides the window first, then shows it again
2417 * including the WM_SHOWWINDOW messages and all */
2418 if (dwStyle
& WS_VISIBLE
)
2419 ShowWindow( hwndChild
, SW_HIDE
);
2421 pWndOldParent
= WIN_LockWndPtr((*wndPtr
->pDriver
->pSetParent
)(wndPtr
, pWndNewParent
));
2423 /* SetParent additionally needs to make hwndChild the topmost window
2424 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2425 WM_WINDOWPOSCHANGED notification messages.
2427 SetWindowPos( hwndChild
, HWND_TOPMOST
, 0, 0, 0, 0,
2428 SWP_NOACTIVATE
|SWP_NOMOVE
|SWP_NOSIZE
|((dwStyle
& WS_VISIBLE
)?SWP_SHOWWINDOW
:0));
2429 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2430 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2432 retvalue
= pWndOldParent
?pWndOldParent
->hwndSelf
:0;
2434 WIN_ReleaseWndPtr(pWndOldParent
);
2435 WIN_ReleaseWndPtr(pWndNewParent
);
2436 WIN_ReleaseWndPtr(wndPtr
);
2442 /*******************************************************************
2445 BOOL16 WINAPI
IsChild16( HWND16 parent
, HWND16 child
)
2447 return IsChild(parent
,child
);
2451 /*******************************************************************
2452 * IsChild (USER32.@)
2454 BOOL WINAPI
IsChild( HWND parent
, HWND child
)
2456 WND
* wndPtr
= WIN_FindWndPtr( child
);
2457 while (wndPtr
&& (wndPtr
->dwStyle
& WS_CHILD
))
2459 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->parent
);
2460 if (wndPtr
->hwndSelf
== parent
)
2462 WIN_ReleaseWndPtr(wndPtr
);
2466 WIN_ReleaseWndPtr(wndPtr
);
2471 /***********************************************************************
2472 * IsWindowVisible (USER.49)
2474 BOOL16 WINAPI
IsWindowVisible16( HWND16 hwnd
)
2476 return IsWindowVisible(hwnd
);
2480 /***********************************************************************
2481 * IsWindowVisible (USER32.@)
2483 BOOL WINAPI
IsWindowVisible( HWND hwnd
)
2486 WND
*wndPtr
= WIN_FindWndPtr( hwnd
);
2487 while (wndPtr
&& (wndPtr
->dwStyle
& WS_CHILD
))
2489 if (!(wndPtr
->dwStyle
& WS_VISIBLE
))
2491 WIN_ReleaseWndPtr(wndPtr
);
2494 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->parent
);
2496 retval
= (wndPtr
&& (wndPtr
->dwStyle
& WS_VISIBLE
));
2497 WIN_ReleaseWndPtr(wndPtr
);
2503 /***********************************************************************
2504 * WIN_IsWindowDrawable
2506 * hwnd is drawable when it is visible, all parents are not
2507 * minimized, and it is itself not minimized unless we are
2508 * trying to draw its default class icon.
2510 BOOL
WIN_IsWindowDrawable( WND
* wnd
, BOOL icon
)
2512 if (!(wnd
->dwStyle
& WS_VISIBLE
)) return FALSE
;
2513 if ((wnd
->dwStyle
& WS_MINIMIZE
) &&
2514 icon
&& GetClassLongA( wnd
->hwndSelf
, GCL_HICON
)) return FALSE
;
2515 for(wnd
= wnd
->parent
; wnd
; wnd
= wnd
->parent
)
2516 if( wnd
->dwStyle
& WS_MINIMIZE
||
2517 !(wnd
->dwStyle
& WS_VISIBLE
) ) break;
2518 return (wnd
== NULL
);
2522 /*******************************************************************
2523 * GetTopWindow (USER.229)
2525 HWND16 WINAPI
GetTopWindow16( HWND16 hwnd
)
2527 return GetTopWindow(hwnd
);
2531 /*******************************************************************
2532 * GetTopWindow (USER32.@)
2534 HWND WINAPI
GetTopWindow( HWND hwnd
)
2537 WND
* wndPtr
= (hwnd
) ?
2538 WIN_FindWndPtr( hwnd
) : WIN_GetDesktop();
2540 if (wndPtr
&& wndPtr
->child
)
2541 retval
= wndPtr
->child
->hwndSelf
;
2543 WIN_ReleaseWndPtr(wndPtr
);
2548 /*******************************************************************
2549 * GetWindow (USER.262)
2551 HWND16 WINAPI
GetWindow16( HWND16 hwnd
, WORD rel
)
2553 return GetWindow( hwnd
,rel
);
2557 /*******************************************************************
2558 * GetWindow (USER32.@)
2560 HWND WINAPI
GetWindow( HWND hwnd
, WORD rel
)
2564 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
2565 if (!wndPtr
) return 0;
2569 retval
= wndPtr
->parent
? wndPtr
->parent
->child
->hwndSelf
: 0;
2573 if (!wndPtr
->parent
)
2575 retval
= 0; /* Desktop window */
2578 while (wndPtr
->next
)
2580 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->next
);
2582 retval
= wndPtr
->hwndSelf
;
2586 retval
= wndPtr
->next
? wndPtr
->next
->hwndSelf
: 0;
2590 if (!wndPtr
->parent
)
2592 retval
= 0; /* Desktop window */
2595 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->parent
->child
); /* First sibling */
2596 if (wndPtr
->hwndSelf
== hwnd
)
2598 retval
= 0; /* First in list */
2601 while (wndPtr
->next
)
2603 if (wndPtr
->next
->hwndSelf
== hwnd
)
2605 retval
= wndPtr
->hwndSelf
;
2608 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->next
);
2614 retval
= wndPtr
->owner
? wndPtr
->owner
->hwndSelf
: 0;
2618 retval
= wndPtr
->child
? wndPtr
->child
->hwndSelf
: 0;
2623 WIN_ReleaseWndPtr(wndPtr
);
2628 /*******************************************************************
2629 * GetNextWindow (USER.230)
2631 HWND16 WINAPI
GetNextWindow16( HWND16 hwnd
, WORD flag
)
2633 if ((flag
!= GW_HWNDNEXT
) && (flag
!= GW_HWNDPREV
)) return 0;
2634 return GetWindow16( hwnd
, flag
);
2637 /***********************************************************************
2638 * WIN_InternalShowOwnedPopups
2640 * Internal version of ShowOwnedPopups; Wine functions should use this
2641 * to avoid interfering with application calls to ShowOwnedPopups
2642 * and to make sure the application can't prevent showing/hiding.
2644 * Set unmanagedOnly to TRUE to show/hide unmanaged windows only.
2648 BOOL
WIN_InternalShowOwnedPopups( HWND owner
, BOOL fShow
, BOOL unmanagedOnly
)
2650 INT totalChild
=0, count
=0;
2652 WND
**pWnd
= WIN_BuildWinArray(WIN_GetDesktop(), 0, &totalChild
);
2654 if (!pWnd
) return TRUE
;
2657 * Show windows Lowest first, Highest last to preserve Z-Order
2659 for (count
= totalChild
-1 ; count
>=0; count
--)
2661 if (pWnd
[count
]->owner
&& (pWnd
[count
]->owner
->hwndSelf
== owner
) && (pWnd
[count
]->dwStyle
& WS_POPUP
))
2665 /* check in window was flagged for showing in previous WIN_InternalShowOwnedPopups call */
2666 if (pWnd
[count
]->flags
& WIN_NEEDS_INTERNALSOP
)
2669 * Call ShowWindow directly because an application can intercept WM_SHOWWINDOW messages
2671 ShowWindow(pWnd
[count
]->hwndSelf
,SW_SHOW
);
2672 pWnd
[count
]->flags
&= ~WIN_NEEDS_INTERNALSOP
; /* remove the flag */
2677 if ( IsWindowVisible(pWnd
[count
]->hwndSelf
) && /* hide only if window is visible */
2678 !( pWnd
[count
]->flags
& WIN_NEEDS_INTERNALSOP
) && /* don't hide if previous call already did it */
2679 !( unmanagedOnly
&& (pWnd
[count
]->dwExStyle
& WS_EX_MANAGED
) ) ) /* don't hide managed windows if unmanagedOnly is TRUE */
2682 * Call ShowWindow directly because an application can intercept WM_SHOWWINDOW messages
2684 ShowWindow(pWnd
[count
]->hwndSelf
,SW_HIDE
);
2685 /* flag the window for showing on next WIN_InternalShowOwnedPopups call */
2686 pWnd
[count
]->flags
|= WIN_NEEDS_INTERNALSOP
;
2691 WIN_ReleaseDesktop();
2692 WIN_ReleaseWinArray(pWnd
);
2697 /*******************************************************************
2698 * ShowOwnedPopups (USER.265)
2700 void WINAPI
ShowOwnedPopups16( HWND16 owner
, BOOL16 fShow
)
2702 ShowOwnedPopups( owner
, fShow
);
2706 /*******************************************************************
2707 * ShowOwnedPopups (USER32.@)
2709 BOOL WINAPI
ShowOwnedPopups( HWND owner
, BOOL fShow
)
2711 UINT totalChild
=0, count
=0;
2713 WND
**pWnd
= WIN_BuildWinArray(WIN_GetDesktop(), 0, &totalChild
);
2715 if (!pWnd
) return TRUE
;
2717 for (; count
< totalChild
; count
++)
2719 if (pWnd
[count
]->owner
&& (pWnd
[count
]->owner
->hwndSelf
== owner
) && (pWnd
[count
]->dwStyle
& WS_POPUP
))
2723 if (pWnd
[count
]->flags
& WIN_NEEDS_SHOW_OWNEDPOPUP
)
2726 * In Windows, ShowOwnedPopups(TRUE) generates WM_SHOWWINDOW messages with SW_PARENTOPENING,
2727 * regardless of the state of the owner
2729 SendMessageA(pWnd
[count
]->hwndSelf
, WM_SHOWWINDOW
, SW_SHOW
, SW_PARENTOPENING
);
2730 pWnd
[count
]->flags
&= ~WIN_NEEDS_SHOW_OWNEDPOPUP
;
2735 if (IsWindowVisible(pWnd
[count
]->hwndSelf
))
2738 * In Windows, ShowOwnedPopups(FALSE) generates WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2739 * regardless of the state of the owner
2741 SendMessageA(pWnd
[count
]->hwndSelf
, WM_SHOWWINDOW
, SW_HIDE
, SW_PARENTCLOSING
);
2742 pWnd
[count
]->flags
|= WIN_NEEDS_SHOW_OWNEDPOPUP
;
2748 WIN_ReleaseDesktop();
2749 WIN_ReleaseWinArray(pWnd
);
2754 /*******************************************************************
2755 * GetLastActivePopup (USER.287)
2757 HWND16 WINAPI
GetLastActivePopup16( HWND16 hwnd
)
2759 return GetLastActivePopup( hwnd
);
2762 /*******************************************************************
2763 * GetLastActivePopup (USER32.@)
2765 HWND WINAPI
GetLastActivePopup( HWND hwnd
)
2768 WND
*wndPtr
=WIN_FindWndPtr(hwnd
);
2769 if (!wndPtr
) return hwnd
;
2770 retval
= wndPtr
->hwndLastActive
;
2771 WIN_ReleaseWndPtr(wndPtr
);
2772 if ((retval
!= hwnd
) && (!IsWindow(retval
)))
2778 /*******************************************************************
2781 * Build an array of pointers to the children of a given window.
2782 * The array must be freed with WIN_ReleaseWinArray. Return NULL
2783 * when no windows are found.
2785 WND
**WIN_BuildWinArray( WND
*wndPtr
, UINT bwaFlags
, UINT
* pTotal
)
2787 /* Future: this function will lock all windows associated with this array */
2789 WND
**list
, **ppWnd
;
2791 UINT count
= 0, skipOwned
, skipHidden
;
2794 skipHidden
= bwaFlags
& BWA_SKIPHIDDEN
;
2795 skipOwned
= bwaFlags
& BWA_SKIPOWNED
;
2796 skipFlags
= (bwaFlags
& BWA_SKIPDISABLED
) ? WS_DISABLED
: 0;
2797 if( bwaFlags
& BWA_SKIPICONIC
) skipFlags
|= WS_MINIMIZE
;
2799 /* First count the windows */
2802 wndPtr
= WIN_GetDesktop();
2804 pWnd
= WIN_LockWndPtr(wndPtr
->child
);
2807 if( !(pWnd
->dwStyle
& skipFlags
) && !(skipOwned
&& pWnd
->owner
) &&
2808 (!skipHidden
|| (pWnd
->dwStyle
& WS_VISIBLE
)) )
2810 WIN_UpdateWndPtr(&pWnd
,pWnd
->next
);
2815 /* Now build the list of all windows */
2817 if ((list
= (WND
**)HeapAlloc( GetProcessHeap(), 0, sizeof(WND
*) * (count
+ 1))))
2819 for (pWnd
= WIN_LockWndPtr(wndPtr
->child
), ppWnd
= list
, count
= 0; pWnd
; WIN_UpdateWndPtr(&pWnd
,pWnd
->next
))
2821 if( (pWnd
->dwStyle
& skipFlags
) || (skipOwned
&& pWnd
->owner
) );
2822 else if( !skipHidden
|| pWnd
->dwStyle
& WS_VISIBLE
)
2828 WIN_ReleaseWndPtr(pWnd
);
2834 if( pTotal
) *pTotal
= count
;
2837 /*******************************************************************
2838 * WIN_ReleaseWinArray
2840 void WIN_ReleaseWinArray(WND
**wndArray
)
2842 /* Future: this function will also unlock all windows associated with wndArray */
2843 HeapFree( GetProcessHeap(), 0, wndArray
);
2847 /*******************************************************************
2848 * EnumWindows (USER32.@)
2850 BOOL WINAPI
EnumWindows( WNDENUMPROC lpEnumFunc
, LPARAM lParam
)
2852 WND
**list
, **ppWnd
;
2854 /* We have to build a list of all windows first, to avoid */
2855 /* unpleasant side-effects, for instance if the callback */
2856 /* function changes the Z-order of the windows. */
2858 if (!(list
= WIN_BuildWinArray(WIN_GetDesktop(), 0, NULL
)))
2860 WIN_ReleaseDesktop();
2864 /* Now call the callback function for every window */
2866 for (ppWnd
= list
; *ppWnd
; ppWnd
++)
2868 LRESULT lpEnumFuncRetval
;
2870 /* Make sure that the window still exists */
2871 if (!IsWindow((*ppWnd
)->hwndSelf
)) continue;
2873 /* To avoid any deadlocks, all the locks on the windows
2874 structures must be suspended before the control
2875 is passed to the application */
2876 iWndsLocks
= WIN_SuspendWndsLock();
2877 lpEnumFuncRetval
= lpEnumFunc( (*ppWnd
)->hwndSelf
, lParam
);
2878 WIN_RestoreWndsLock(iWndsLocks
);
2880 if (!lpEnumFuncRetval
) break;
2882 WIN_ReleaseWinArray(list
);
2883 WIN_ReleaseDesktop();
2888 /**********************************************************************
2889 * EnumTaskWindows (USER.225)
2891 BOOL16 WINAPI
EnumTaskWindows16( HTASK16 hTask
, WNDENUMPROC16 func
,
2894 WND
**list
, **ppWnd
;
2896 /* This function is the same as EnumWindows(), */
2897 /* except for an added check on the window's task. */
2899 if (!(list
= WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL
)))
2901 WIN_ReleaseDesktop();
2905 /* Now call the callback function for every window */
2907 for (ppWnd
= list
; *ppWnd
; ppWnd
++)
2911 /* Make sure that the window still exists */
2912 if (!IsWindow((*ppWnd
)->hwndSelf
)) continue;
2913 if (QUEUE_GetQueueTask((*ppWnd
)->hmemTaskQ
) != hTask
) continue;
2915 /* To avoid any deadlocks, all the locks on the windows
2916 structures must be suspended before the control
2917 is passed to the application */
2918 iWndsLocks
= WIN_SuspendWndsLock();
2919 funcRetval
= func( (*ppWnd
)->hwndSelf
, lParam
);
2920 WIN_RestoreWndsLock(iWndsLocks
);
2922 if (!funcRetval
) break;
2924 WIN_ReleaseWinArray(list
);
2925 WIN_ReleaseDesktop();
2930 /**********************************************************************
2931 * EnumThreadWindows (USER32.@)
2933 BOOL WINAPI
EnumThreadWindows( DWORD id
, WNDENUMPROC func
, LPARAM lParam
)
2935 TEB
*teb
= THREAD_IdToTEB(id
);
2937 return (BOOL16
)EnumTaskWindows16(teb
->htask16
, (WNDENUMPROC16
)func
, lParam
);
2941 /**********************************************************************
2942 * WIN_EnumChildWindows
2944 * Helper function for EnumChildWindows().
2946 static BOOL16
WIN_EnumChildWindows( WND
**ppWnd
, WNDENUMPROC func
, LPARAM lParam
)
2951 for ( ; *ppWnd
; ppWnd
++)
2955 /* Make sure that the window still exists */
2956 if (!IsWindow((*ppWnd
)->hwndSelf
)) continue;
2957 /* Build children list first */
2958 childList
= WIN_BuildWinArray( *ppWnd
, BWA_SKIPOWNED
, NULL
);
2960 /* To avoid any deadlocks, all the locks on the windows
2961 structures must be suspended before the control
2962 is passed to the application */
2963 iWndsLocks
= WIN_SuspendWndsLock();
2964 ret
= func( (*ppWnd
)->hwndSelf
, lParam
);
2965 WIN_RestoreWndsLock(iWndsLocks
);
2969 if (ret
) ret
= WIN_EnumChildWindows( childList
, func
, lParam
);
2970 WIN_ReleaseWinArray(childList
);
2972 if (!ret
) return FALSE
;
2978 /**********************************************************************
2979 * EnumChildWindows (USER32.@)
2981 BOOL WINAPI
EnumChildWindows( HWND parent
, WNDENUMPROC func
,
2984 WND
**list
, *pParent
;
2986 if (!(pParent
= WIN_FindWndPtr( parent
))) return FALSE
;
2987 if (!(list
= WIN_BuildWinArray( pParent
, BWA_SKIPOWNED
, NULL
)))
2989 WIN_ReleaseWndPtr(pParent
);
2992 WIN_EnumChildWindows( list
, func
, lParam
);
2993 WIN_ReleaseWinArray(list
);
2994 WIN_ReleaseWndPtr(pParent
);
2999 /*******************************************************************
3000 * AnyPopup (USER.52)
3002 BOOL16 WINAPI
AnyPopup16(void)
3008 /*******************************************************************
3009 * AnyPopup (USER32.@)
3011 BOOL WINAPI
AnyPopup(void)
3013 WND
*wndPtr
= WIN_LockWndPtr(pWndDesktop
->child
);
3018 if (wndPtr
->owner
&& (wndPtr
->dwStyle
& WS_VISIBLE
))
3023 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->next
);
3027 WIN_ReleaseWndPtr(wndPtr
);
3032 /*******************************************************************
3033 * FlashWindow (USER.105)
3035 BOOL16 WINAPI
FlashWindow16( HWND16 hWnd
, BOOL16 bInvert
)
3037 return FlashWindow( hWnd
, bInvert
);
3041 /*******************************************************************
3042 * FlashWindow (USER32.@)
3044 BOOL WINAPI
FlashWindow( HWND hWnd
, BOOL bInvert
)
3046 WND
*wndPtr
= WIN_FindWndPtr(hWnd
);
3048 TRACE("%04x\n", hWnd
);
3050 if (!wndPtr
) return FALSE
;
3052 if (wndPtr
->dwStyle
& WS_MINIMIZE
)
3054 if (bInvert
&& !(wndPtr
->flags
& WIN_NCACTIVATED
))
3056 HDC hDC
= GetDC(hWnd
);
3058 if (!SendMessage16( hWnd
, WM_ERASEBKGND
, (WPARAM16
)hDC
, 0 ))
3059 wndPtr
->flags
|= WIN_NEEDS_ERASEBKGND
;
3061 ReleaseDC( hWnd
, hDC
);
3062 wndPtr
->flags
|= WIN_NCACTIVATED
;
3066 PAINT_RedrawWindow( hWnd
, 0, 0, RDW_INVALIDATE
| RDW_ERASE
|
3067 RDW_UPDATENOW
| RDW_FRAME
, 0 );
3068 wndPtr
->flags
&= ~WIN_NCACTIVATED
;
3070 WIN_ReleaseWndPtr(wndPtr
);
3076 if (bInvert
) wparam
= !(wndPtr
->flags
& WIN_NCACTIVATED
);
3077 else wparam
= (hWnd
== GetActiveWindow());
3079 SendMessage16( hWnd
, WM_NCACTIVATE
, wparam
, (LPARAM
)0 );
3080 WIN_ReleaseWndPtr(wndPtr
);
3086 /*******************************************************************
3087 * SetSysModalWindow (USER.188)
3089 HWND16 WINAPI
SetSysModalWindow16( HWND16 hWnd
)
3091 HWND hWndOldModal
= hwndSysModal
;
3092 hwndSysModal
= hWnd
;
3093 FIXME("EMPTY STUB !! SetSysModalWindow(%04x) !\n", hWnd
);
3094 return hWndOldModal
;
3098 /*******************************************************************
3099 * GetSysModalWindow (USER.189)
3101 HWND16 WINAPI
GetSysModalWindow16(void)
3103 return hwndSysModal
;
3107 /*******************************************************************
3108 * GetWindowContextHelpId (USER32.@)
3110 DWORD WINAPI
GetWindowContextHelpId( HWND hwnd
)
3113 WND
*wnd
= WIN_FindWndPtr( hwnd
);
3115 retval
= wnd
->helpContext
;
3116 WIN_ReleaseWndPtr(wnd
);
3121 /*******************************************************************
3122 * SetWindowContextHelpId (USER32.@)
3124 BOOL WINAPI
SetWindowContextHelpId( HWND hwnd
, DWORD id
)
3126 WND
*wnd
= WIN_FindWndPtr( hwnd
);
3127 if (!wnd
) return FALSE
;
3128 wnd
->helpContext
= id
;
3129 WIN_ReleaseWndPtr(wnd
);
3134 /*******************************************************************
3137 * recursively find a child that contains spDragInfo->pt point
3138 * and send WM_QUERYDROPOBJECT
3140 BOOL16
DRAG_QueryUpdate( HWND hQueryWnd
, SEGPTR spDragInfo
, BOOL bNoSend
)
3142 BOOL16 wParam
, bResult
= 0;
3144 LPDRAGINFO16 ptrDragInfo
= MapSL(spDragInfo
);
3145 WND
*ptrQueryWnd
= WIN_FindWndPtr(hQueryWnd
),*ptrWnd
;
3148 if( !ptrQueryWnd
|| !ptrDragInfo
)
3151 CONV_POINT16TO32( &ptrDragInfo
->pt
, &pt
);
3153 GetWindowRect(hQueryWnd
,&tempRect
);
3155 if( !PtInRect(&tempRect
,pt
) ||
3156 (ptrQueryWnd
->dwStyle
& WS_DISABLED
) )
3159 if( !(ptrQueryWnd
->dwStyle
& WS_MINIMIZE
) )
3161 tempRect
= ptrQueryWnd
->rectClient
;
3162 if(ptrQueryWnd
->dwStyle
& WS_CHILD
)
3163 MapWindowPoints( ptrQueryWnd
->parent
->hwndSelf
, 0,
3164 (LPPOINT
)&tempRect
, 2 );
3166 if (PtInRect( &tempRect
, pt
))
3170 for (ptrWnd
= WIN_LockWndPtr(ptrQueryWnd
->child
); ptrWnd
;WIN_UpdateWndPtr(&ptrWnd
,ptrWnd
->next
))
3172 if( ptrWnd
->dwStyle
& WS_VISIBLE
)
3174 GetWindowRect( ptrWnd
->hwndSelf
, &tempRect
);
3175 if (PtInRect( &tempRect
, pt
)) break;
3181 TRACE_(msg
)("hwnd = %04x, %d %d - %d %d\n",
3182 ptrWnd
->hwndSelf
, ptrWnd
->rectWindow
.left
, ptrWnd
->rectWindow
.top
,
3183 ptrWnd
->rectWindow
.right
, ptrWnd
->rectWindow
.bottom
);
3184 if( !(ptrWnd
->dwStyle
& WS_DISABLED
) )
3185 bResult
= DRAG_QueryUpdate(ptrWnd
->hwndSelf
, spDragInfo
, bNoSend
);
3187 WIN_ReleaseWndPtr(ptrWnd
);
3197 ScreenToClient16(hQueryWnd
,&ptrDragInfo
->pt
);
3199 ptrDragInfo
->hScope
= hQueryWnd
;
3201 bResult
= ( bNoSend
)
3202 ? ptrQueryWnd
->dwExStyle
& WS_EX_ACCEPTFILES
3203 : SendMessage16( hQueryWnd
,WM_QUERYDROPOBJECT
,
3204 (WPARAM16
)wParam
,(LPARAM
) spDragInfo
);
3206 CONV_POINT32TO16( &pt
, &ptrDragInfo
->pt
);
3209 WIN_ReleaseWndPtr(ptrQueryWnd
);
3214 /*******************************************************************
3215 * DragDetect (USER.465)
3217 BOOL16 WINAPI
DragDetect16( HWND16 hWnd
, POINT16 pt
)
3220 CONV_POINT16TO32( &pt
, &pt32
);
3221 return DragDetect( hWnd
, pt32
);
3224 /*******************************************************************
3225 * DragDetect (USER32.@)
3227 BOOL WINAPI
DragDetect( HWND hWnd
, POINT pt
)
3232 rect
.left
= pt
.x
- wDragWidth
;
3233 rect
.right
= pt
.x
+ wDragWidth
;
3235 rect
.top
= pt
.y
- wDragHeight
;
3236 rect
.bottom
= pt
.y
+ wDragHeight
;
3242 while(PeekMessageA(&msg
,0 ,WM_MOUSEFIRST
,WM_MOUSELAST
,PM_REMOVE
))
3244 if( msg
.message
== WM_LBUTTONUP
)
3249 if( msg
.message
== WM_MOUSEMOVE
)
3252 tmp
.x
= LOWORD(msg
.lParam
);
3253 tmp
.y
= HIWORD(msg
.lParam
);
3254 if( !PtInRect( &rect
, tmp
))
3266 /******************************************************************************
3267 * DragObject (USER.464)
3269 DWORD WINAPI
DragObject16( HWND16 hwndScope
, HWND16 hWnd
, UINT16 wObj
,
3270 HANDLE16 hOfStruct
, WORD szList
, HCURSOR16 hCursor
)
3273 LPDRAGINFO16 lpDragInfo
;
3275 HCURSOR16 hDragCursor
=0, hOldCursor
=0, hBummer
=0;
3276 HGLOBAL16 hDragInfo
= GlobalAlloc16( GMEM_SHARE
| GMEM_ZEROINIT
, 2*sizeof(DRAGINFO16
));
3277 WND
*wndPtr
= WIN_FindWndPtr(hWnd
);
3278 HCURSOR16 hCurrentCursor
= 0;
3279 HWND16 hCurrentWnd
= 0;
3281 lpDragInfo
= (LPDRAGINFO16
) GlobalLock16(hDragInfo
);
3282 spDragInfo
= K32WOWGlobalLock16(hDragInfo
);
3284 if( !lpDragInfo
|| !spDragInfo
)
3286 WIN_ReleaseWndPtr(wndPtr
);
3290 hBummer
= LoadCursorA(0, MAKEINTRESOURCEA(OCR_NO
));
3292 if( !hBummer
|| !wndPtr
)
3294 GlobalFree16(hDragInfo
);
3295 WIN_ReleaseWndPtr(wndPtr
);
3301 if( !(hDragCursor
= CURSORICON_IconToCursor(hCursor
, FALSE
)) )
3303 GlobalFree16(hDragInfo
);
3304 WIN_ReleaseWndPtr(wndPtr
);
3308 if( hDragCursor
== hCursor
) hDragCursor
= 0;
3309 else hCursor
= hDragCursor
;
3311 hOldCursor
= SetCursor(hDragCursor
);
3314 lpDragInfo
->hWnd
= hWnd
;
3315 lpDragInfo
->hScope
= 0;
3316 lpDragInfo
->wFlags
= wObj
;
3317 lpDragInfo
->hList
= szList
; /* near pointer! */
3318 lpDragInfo
->hOfStruct
= hOfStruct
;
3326 do{ WaitMessage(); }
3327 while( !PeekMessageA(&msg
,0,WM_MOUSEFIRST
,WM_MOUSELAST
,PM_REMOVE
) );
3329 *(lpDragInfo
+1) = *lpDragInfo
;
3331 lpDragInfo
->pt
.x
= msg
.pt
.x
;
3332 lpDragInfo
->pt
.y
= msg
.pt
.y
;
3334 /* update DRAGINFO struct */
3335 TRACE_(msg
)("lpDI->hScope = %04x\n",lpDragInfo
->hScope
);
3337 if( DRAG_QueryUpdate(hwndScope
, spDragInfo
, FALSE
) > 0 )
3338 hCurrentCursor
= hCursor
;
3341 hCurrentCursor
= hBummer
;
3342 lpDragInfo
->hScope
= 0;
3344 if( hCurrentCursor
)
3345 SetCursor(hCurrentCursor
);
3347 /* send WM_DRAGLOOP */
3348 SendMessage16( hWnd
, WM_DRAGLOOP
, (WPARAM16
)(hCurrentCursor
!= hBummer
),
3349 (LPARAM
) spDragInfo
);
3350 /* send WM_DRAGSELECT or WM_DRAGMOVE */
3351 if( hCurrentWnd
!= lpDragInfo
->hScope
)
3354 SendMessage16( hCurrentWnd
, WM_DRAGSELECT
, 0,
3355 (LPARAM
)MAKELONG(LOWORD(spDragInfo
)+sizeof(DRAGINFO16
),
3356 HIWORD(spDragInfo
)) );
3357 hCurrentWnd
= lpDragInfo
->hScope
;
3359 SendMessage16( hCurrentWnd
, WM_DRAGSELECT
, 1, (LPARAM
)spDragInfo
);
3363 SendMessage16( hCurrentWnd
, WM_DRAGMOVE
, 0, (LPARAM
)spDragInfo
);
3365 } while( msg
.message
!= WM_LBUTTONUP
&& msg
.message
!= WM_NCLBUTTONUP
);
3368 ShowCursor( FALSE
);
3372 SetCursor( hOldCursor
);
3373 if (hDragCursor
) DestroyCursor( hDragCursor
);
3376 if( hCurrentCursor
!= hBummer
)
3377 msg
.lParam
= SendMessage16( lpDragInfo
->hScope
, WM_DROPOBJECT
,
3378 (WPARAM16
)hWnd
, (LPARAM
)spDragInfo
);
3381 GlobalFree16(hDragInfo
);
3382 WIN_ReleaseWndPtr(wndPtr
);
3384 return (DWORD
)(msg
.lParam
);