2 * Window related functions
4 * Copyright 1993, 1994 Alexandre Julliard
9 #include "wine/winbase16.h"
10 #include "wine/winuser16.h"
17 #include "sysmetrics.h"
18 #include "cursoricon.h"
22 #include "nonclient.h"
25 #include "shm_main_blk.h"
27 #include "clipboard.h"
32 #include "debugtools.h"
38 DECLARE_DEBUG_CHANNEL(msg
)
39 DECLARE_DEBUG_CHANNEL(win
)
41 /**********************************************************************/
43 WND_DRIVER
*WND_Driver
= NULL
;
46 static WND
*pWndDesktop
= NULL
;
48 static HWND hwndSysModal
= 0;
50 static WORD wDragWidth
= 4;
51 static WORD wDragHeight
= 3;
54 static CRITICAL_SECTION WIN_CritSection
;
56 /***********************************************************************
61 /* Initialisation of the critical section for thread safeness */
62 InitializeCriticalSection(&WIN_CritSection
);
63 MakeCriticalSectionGlobal(&WIN_CritSection
);
66 /***********************************************************************
69 * Locks access to all WND structures for thread safeness
73 EnterCriticalSection(&WIN_CritSection
);
76 /***********************************************************************
79 * Unlocks access to all WND structures
83 LeaveCriticalSection(&WIN_CritSection
);
85 /***********************************************************************
88 * Suspend the lock on WND structures.
89 * Returns the number of locks suspended
91 int WIN_SuspendWndsLock()
93 int isuspendedLocks
= 0;
95 /* make sure that the lock is not suspended by different thread than
97 if(WIN_CritSection
.OwningThread
!= GetCurrentThreadId())
101 /* set the value of isuspendedlock to the actual recursion count
102 of the critical section */
103 isuspendedLocks
= WIN_CritSection
.RecursionCount
;
104 /* set the recursion count of the critical section to 1
105 so the owning thread will be able to leave it */
106 while (WIN_CritSection
.RecursionCount
> 1) WIN_UnlockWnds();
107 /* leave critical section*/
110 return isuspendedLocks
;
113 /***********************************************************************
114 * WIN_RestoreWndsLock
116 * Restore the suspended locks on WND structures
118 void WIN_RestoreWndsLock(int ipreviousLocks
)
124 /* restore the lock */
126 /* set the recursion count of the critical section to the
127 value of suspended locks (given by WIN_SuspendWndsLock())*/
128 while (WIN_CritSection
.RecursionCount
< ipreviousLocks
) WIN_LockWnds();
131 /***********************************************************************
134 * Return a pointer to the WND structure corresponding to a HWND.
136 WND
* WIN_FindWndPtr( HWND hwnd
)
140 if (!hwnd
|| HIWORD(hwnd
)) goto error2
;
141 ptr
= (WND
*) USER_HEAP_LIN_ADDR( hwnd
);
142 /* Lock all WND structures for thread safeness*/
144 /*and increment destruction monitoring*/
147 if (ptr
->dwMagic
!= WND_MAGIC
) goto error
;
148 if (ptr
->hwndSelf
!= hwnd
)
150 ERR_(win
)("Can't happen: hwnd %04x self pointer is %04x\n",hwnd
, ptr
->hwndSelf
);
153 /* returns a locked pointer */
156 /* Unlock all WND structures for thread safeness*/
158 /* and decrement destruction monitoring value */
163 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
167 /***********************************************************************
170 * Use in case the wnd ptr is not initialized with WIN_FindWndPtr
172 * Returns the locked initialisation pointer
174 WND
*WIN_LockWndPtr(WND
*initWndPtr
)
176 if(!initWndPtr
) return 0;
178 /* Lock all WND structures for thread safeness*/
180 /*and increment destruction monitoring*/
181 initWndPtr
->irefCount
++;
187 /***********************************************************************
190 * Release the pointer to the WND structure.
192 void WIN_ReleaseWndPtr(WND
*wndPtr
)
196 /*Decrement destruction monitoring value*/
198 /* Check if it's time to release the memory*/
199 /* Check if it's time to release the memory*/
200 if(wndPtr
->irefCount
== 0 && !wndPtr
->dwMagic
)
203 USER_HEAP_FREE( wndPtr
->hwndSelf
);
205 else if(wndPtr
->irefCount
< 0)
207 /* This else if is useful to monitor the WIN_ReleaseWndPtr function */
208 TRACE_(win
)("forgot a Lock on %p somewhere\n",wndPtr
);
210 /*unlock all WND structures for thread safeness*/
214 /***********************************************************************
217 * Updates the value of oldPtr to newPtr.
219 void WIN_UpdateWndPtr(WND
**oldPtr
, WND
*newPtr
)
223 tmpWnd
= WIN_LockWndPtr(newPtr
);
224 WIN_ReleaseWndPtr(*oldPtr
);
229 /***********************************************************************
232 * Dump the content of a window structure to stderr.
234 void WIN_DumpWindow( HWND hwnd
)
240 if (!(ptr
= WIN_FindWndPtr( hwnd
)))
242 WARN_(win
)("%04x is not a window handle\n", hwnd
);
246 if (!GetClassNameA( hwnd
, className
, sizeof(className
) ))
247 strcpy( className
, "#NULL#" );
249 TRACE_(win
)("Window %04x (%p):\n", hwnd
, ptr
);
250 DPRINTF( "next=%p child=%p parent=%p owner=%p class=%p '%s'\n"
251 "inst=%04x taskQ=%04x updRgn=%04x active=%04x dce=%p idmenu=%08x\n"
252 "style=%08lx exstyle=%08lx wndproc=%08x text='%s'\n"
253 "client=%d,%d-%d,%d window=%d,%d-%d,%d"
254 "sysmenu=%04x flags=%04x props=%p vscroll=%p hscroll=%p\n",
255 ptr
->next
, ptr
->child
, ptr
->parent
, ptr
->owner
,
256 ptr
->class, className
, ptr
->hInstance
, ptr
->hmemTaskQ
,
257 ptr
->hrgnUpdate
, ptr
->hwndLastActive
, ptr
->dce
, ptr
->wIDmenu
,
258 ptr
->dwStyle
, ptr
->dwExStyle
, (UINT
)ptr
->winproc
,
259 ptr
->text
? ptr
->text
: "",
260 ptr
->rectClient
.left
, ptr
->rectClient
.top
, ptr
->rectClient
.right
,
261 ptr
->rectClient
.bottom
, ptr
->rectWindow
.left
, ptr
->rectWindow
.top
,
262 ptr
->rectWindow
.right
, ptr
->rectWindow
.bottom
, ptr
->hSysMenu
,
263 ptr
->flags
, ptr
->pProp
, ptr
->pVScroll
, ptr
->pHScroll
);
265 if (ptr
->class->cbWndExtra
)
267 DPRINTF( "extra bytes:" );
268 for (i
= 0; i
< ptr
->class->cbWndExtra
; i
++)
269 DPRINTF( " %02x", *((BYTE
*)ptr
->wExtra
+i
) );
273 WIN_ReleaseWndPtr(ptr
);
277 /***********************************************************************
280 * Walk the windows tree and print each window on stderr.
282 void WIN_WalkWindows( HWND hwnd
, int indent
)
287 ptr
= hwnd
? WIN_FindWndPtr( hwnd
) : WIN_GetDesktop();
291 WARN_(win
)("Invalid window handle %04x\n", hwnd
);
295 if (!indent
) /* first time around */
296 DPRINTF( "%-16.16s %-8.8s %-6.6s %-17.17s %-8.8s %s\n",
297 "hwnd", " wndPtr", "queue", "Class Name", " Style", " WndProc"
302 DPRINTF( "%*s%04x%*s", indent
, "", ptr
->hwndSelf
, 13-indent
,"");
304 GlobalGetAtomName16(ptr
->class->atomName
,className
,sizeof(className
));
306 DPRINTF( "%08lx %-6.4x %-17.17s %08x %08x %.14s\n",
307 (DWORD
)ptr
, ptr
->hmemTaskQ
, className
,
308 (UINT
)ptr
->dwStyle
, (UINT
)ptr
->winproc
,
309 ptr
->text
?ptr
->text
:"<null>");
311 if (ptr
->child
) WIN_WalkWindows( ptr
->child
->hwndSelf
, indent
+1 );
312 WIN_UpdateWndPtr(&ptr
,ptr
->next
);
318 /***********************************************************************
321 * Remove a window from the siblings linked list.
323 BOOL
WIN_UnlinkWindow( HWND hwnd
)
325 WND
*wndPtr
, **ppWnd
;
328 if (!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
329 else if(!wndPtr
->parent
)
331 WIN_ReleaseWndPtr(wndPtr
);
335 ppWnd
= &wndPtr
->parent
->child
;
336 while (*ppWnd
&& *ppWnd
!= wndPtr
) ppWnd
= &(*ppWnd
)->next
;
339 *ppWnd
= wndPtr
->next
;
342 WIN_ReleaseWndPtr(wndPtr
);
347 /***********************************************************************
350 * Insert a window into the siblings linked list.
351 * The window is inserted after the specified window, which can also
352 * be specified as HWND_TOP or HWND_BOTTOM.
354 BOOL
WIN_LinkWindow( HWND hwnd
, HWND hwndInsertAfter
)
356 WND
*wndPtr
, **ppWnd
;
358 if (!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
359 else if(!wndPtr
->parent
)
361 WIN_ReleaseWndPtr(wndPtr
);
364 if ((hwndInsertAfter
== HWND_TOP
) || (hwndInsertAfter
== HWND_BOTTOM
))
366 ppWnd
= &wndPtr
->parent
->child
; /* Point to first sibling hwnd */
367 if (hwndInsertAfter
== HWND_BOTTOM
) /* Find last sibling hwnd */
368 while (*ppWnd
) ppWnd
= &(*ppWnd
)->next
;
370 else /* Normal case */
372 WND
* afterPtr
= WIN_FindWndPtr( hwndInsertAfter
);
375 WIN_ReleaseWndPtr(wndPtr
);
378 ppWnd
= &afterPtr
->next
;
379 WIN_ReleaseWndPtr(afterPtr
);
381 wndPtr
->next
= *ppWnd
;
383 WIN_ReleaseWndPtr(wndPtr
);
388 /***********************************************************************
389 * WIN_FindWinToRepaint
391 * Find a window that needs repaint.
393 HWND
WIN_FindWinToRepaint( HWND hwnd
, HQUEUE16 hQueue
)
398 /* Note: the desktop window never gets WM_PAINT messages
399 * The real reason why is because Windows DesktopWndProc
400 * does ValidateRgn inside WM_ERASEBKGND handler.
403 pWnd
= hwnd
? WIN_FindWndPtr(hwnd
) : WIN_LockWndPtr(pWndDesktop
->child
);
405 for ( ; pWnd
; WIN_UpdateWndPtr(&pWnd
,pWnd
->next
))
407 if (!(pWnd
->dwStyle
& WS_VISIBLE
))
409 TRACE_(win
)("skipping window %04x\n",
412 else if ((pWnd
->hmemTaskQ
== hQueue
) &&
413 (pWnd
->hrgnUpdate
|| (pWnd
->flags
& WIN_INTERNAL_PAINT
)))
416 else if (pWnd
->child
)
417 if ((hwndRet
= WIN_FindWinToRepaint( pWnd
->child
->hwndSelf
, hQueue
)) )
419 WIN_ReleaseWndPtr(pWnd
);
430 hwndRet
= pWnd
->hwndSelf
;
432 /* look among siblings if we got a transparent window */
433 while (pWnd
&& ((pWnd
->dwExStyle
& WS_EX_TRANSPARENT
) ||
434 !(pWnd
->hrgnUpdate
|| (pWnd
->flags
& WIN_INTERNAL_PAINT
))))
436 WIN_UpdateWndPtr(&pWnd
,pWnd
->next
);
440 hwndRet
= pWnd
->hwndSelf
;
441 WIN_ReleaseWndPtr(pWnd
);
443 TRACE_(win
)("found %04x\n",hwndRet
);
448 /***********************************************************************
451 * Destroy storage associated to a window. "Internals" p.358
452 * returns a locked wndPtr->next
454 static WND
* WIN_DestroyWindow( WND
* wndPtr
)
456 HWND hwnd
= wndPtr
->hwndSelf
;
459 TRACE_(win
)("%04x\n", wndPtr
->hwndSelf
);
463 DDE_DestroyWindow(wndPtr
->hwndSelf
);
464 #endif /* CONFIG_IPC */
466 /* free child windows */
467 WIN_LockWndPtr(wndPtr
->child
);
468 while ((pWnd
= wndPtr
->child
))
470 wndPtr
->child
= WIN_DestroyWindow( pWnd
);
471 WIN_ReleaseWndPtr(pWnd
);
475 * Clear the update region to make sure no WM_PAINT messages will be
476 * generated for this window while processing the WM_NCDESTROY.
478 if ((wndPtr
->hrgnUpdate
) || (wndPtr
->flags
& WIN_INTERNAL_PAINT
))
480 if (wndPtr
->hrgnUpdate
> 1)
481 DeleteObject( wndPtr
->hrgnUpdate
);
483 QUEUE_DecPaintCount( wndPtr
->hmemTaskQ
);
485 wndPtr
->hrgnUpdate
= 0;
489 * Send the WM_NCDESTROY to the window being destroyed.
491 SendMessageA( wndPtr
->hwndSelf
, WM_NCDESTROY
, 0, 0);
493 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
495 WINPOS_CheckInternalPos( wndPtr
);
496 if( hwnd
== GetCapture()) ReleaseCapture();
498 /* free resources associated with the window */
500 TIMER_RemoveWindowTimers( wndPtr
->hwndSelf
);
501 PROPERTY_RemoveWindowProps( wndPtr
);
503 wndPtr
->dwMagic
= 0; /* Mark it as invalid */
505 /* toss stale messages from the queue */
507 if( wndPtr
->hmemTaskQ
)
509 BOOL bPostQuit
= FALSE
;
510 WPARAM wQuitParam
= 0;
511 MESSAGEQUEUE
* msgQ
= (MESSAGEQUEUE
*) QUEUE_Lock(wndPtr
->hmemTaskQ
);
514 while( (qmsg
= QUEUE_FindMsg(msgQ
, hwnd
, 0, 0)) != 0 )
516 if( qmsg
->msg
.message
== WM_QUIT
)
519 wQuitParam
= qmsg
->msg
.wParam
;
521 QUEUE_RemoveMsg(msgQ
, qmsg
);
526 /* repost WM_QUIT to make sure this app exits its message loop */
527 if( bPostQuit
) PostQuitMessage(wQuitParam
);
528 wndPtr
->hmemTaskQ
= 0;
531 if (!(wndPtr
->dwStyle
& WS_CHILD
))
532 if (wndPtr
->wIDmenu
) DestroyMenu( (HMENU
)wndPtr
->wIDmenu
);
533 if (wndPtr
->hSysMenu
) DestroyMenu( wndPtr
->hSysMenu
);
534 wndPtr
->pDriver
->pDestroyWindow( wndPtr
);
535 DCE_FreeWindowDCE( wndPtr
); /* Always do this to catch orphaned DCs */
536 WINPROC_FreeProc( wndPtr
->winproc
, WIN_PROC_WINDOW
);
537 wndPtr
->hwndSelf
= 0;
538 wndPtr
->class->cWindows
--;
539 wndPtr
->class = NULL
;
541 WIN_UpdateWndPtr(&pWnd
,wndPtr
->next
);
543 wndPtr
->pDriver
->pFinalize(wndPtr
);
548 /***********************************************************************
549 * WIN_ResetQueueWindows
551 * Reset the queue of all the children of a given window.
552 * Return TRUE if something was done.
554 BOOL
WIN_ResetQueueWindows( WND
* wnd
, HQUEUE16 hQueue
, HQUEUE16 hNew
)
558 if (hNew
) /* Set a new queue */
560 for (wnd
= WIN_LockWndPtr(wnd
->child
); (wnd
);WIN_UpdateWndPtr(&wnd
,wnd
->next
))
562 if (wnd
->hmemTaskQ
== hQueue
)
564 wnd
->hmemTaskQ
= hNew
;
569 ret
|= WIN_ResetQueueWindows( wnd
, hQueue
, hNew
);
573 else /* Queue is being destroyed */
577 WND
*tmp
= WIN_LockWndPtr(wnd
->child
);
582 if (tmp
->hmemTaskQ
== hQueue
)
584 DestroyWindow( tmp
->hwndSelf
);
588 tmp2
= WIN_LockWndPtr(tmp
->child
);
589 if (tmp2
&& WIN_ResetQueueWindows(tmp2
,hQueue
,0))
593 WIN_UpdateWndPtr(&tmp
,tmp
->next
);
595 WIN_ReleaseWndPtr(tmp2
);
597 WIN_ReleaseWndPtr(tmp
);
604 /***********************************************************************
605 * WIN_CreateDesktopWindow
607 * Create the desktop window.
609 BOOL
WIN_CreateDesktopWindow(void)
615 TRACE_(win
)("Creating desktop window\n");
618 if (!ICONTITLE_Init() ||
619 !WINPOS_CreateInternalPosAtom() ||
620 !(class = CLASS_FindClassByAtom( DESKTOP_CLASS_ATOM
, 0 )))
623 hwndDesktop
= USER_HEAP_ALLOC( sizeof(WND
)+class->cbWndExtra
);
624 if (!hwndDesktop
) return FALSE
;
625 pWndDesktop
= (WND
*) USER_HEAP_LIN_ADDR( hwndDesktop
);
627 pDesktop
= (DESKTOP
*) pWndDesktop
->wExtra
;
628 pDesktop
->pDriver
= DESKTOP_Driver
;
629 pWndDesktop
->pDriver
= WND_Driver
;
631 pDesktop
->pDriver
->pInitialize(pDesktop
);
632 pWndDesktop
->pDriver
->pInitialize(pWndDesktop
);
634 pWndDesktop
->next
= NULL
;
635 pWndDesktop
->child
= NULL
;
636 pWndDesktop
->parent
= NULL
;
637 pWndDesktop
->owner
= NULL
;
638 pWndDesktop
->class = class;
639 pWndDesktop
->dwMagic
= WND_MAGIC
;
640 pWndDesktop
->hwndSelf
= hwndDesktop
;
641 pWndDesktop
->hInstance
= 0;
642 pWndDesktop
->rectWindow
.left
= 0;
643 pWndDesktop
->rectWindow
.top
= 0;
644 pWndDesktop
->rectWindow
.right
= SYSMETRICS_CXSCREEN
;
645 pWndDesktop
->rectWindow
.bottom
= SYSMETRICS_CYSCREEN
;
646 pWndDesktop
->rectClient
= pWndDesktop
->rectWindow
;
647 pWndDesktop
->text
= NULL
;
648 pWndDesktop
->hmemTaskQ
= GetFastQueue16();
649 pWndDesktop
->hrgnUpdate
= 0;
650 pWndDesktop
->hwndLastActive
= hwndDesktop
;
651 pWndDesktop
->dwStyle
= WS_VISIBLE
| WS_CLIPCHILDREN
|
653 pWndDesktop
->dwExStyle
= 0;
654 pWndDesktop
->dce
= NULL
;
655 pWndDesktop
->pVScroll
= NULL
;
656 pWndDesktop
->pHScroll
= NULL
;
657 pWndDesktop
->pProp
= NULL
;
658 pWndDesktop
->wIDmenu
= 0;
659 pWndDesktop
->helpContext
= 0;
660 pWndDesktop
->flags
= Options
.desktopGeometry
? WIN_NATIVE
: 0;
661 pWndDesktop
->hSysMenu
= 0;
662 pWndDesktop
->userdata
= 0;
663 pWndDesktop
->winproc
= (WNDPROC16
)class->winproc
;
664 pWndDesktop
->irefCount
= 0;
666 /* FIXME: How do we know if it should be Unicode or not */
667 if(!pWndDesktop
->pDriver
->pCreateDesktopWindow(pWndDesktop
, class, FALSE
))
670 SendMessageA( hwndDesktop
, WM_NCCREATE
, 0, 0 );
671 pWndDesktop
->flags
|= WIN_NEEDS_ERASEBKGND
;
676 /***********************************************************************
679 * Implementation of CreateWindowEx().
681 static HWND
WIN_CreateWindowEx( CREATESTRUCTA
*cs
, ATOM classAtom
,
682 BOOL win32
, BOOL unicode
)
687 HWND16 hwnd
, hwndLinkAfter
;
688 POINT maxSize
, maxPos
, minTrack
, maxTrack
;
689 LRESULT (CALLBACK
*localSend32
)(HWND
, UINT
, WPARAM
, LPARAM
);
692 TRACE_(win
)("%s %s %08lx %08lx %d,%d %dx%d %04x %04x %08x %p\n",
693 unicode
? debugres_w((LPWSTR
)cs
->lpszName
) : debugres_a(cs
->lpszName
),
694 unicode
? debugres_w((LPWSTR
)cs
->lpszClass
) : debugres_a(cs
->lpszClass
),
695 cs
->dwExStyle
, cs
->style
, cs
->x
, cs
->y
, cs
->cx
, cs
->cy
,
696 cs
->hwndParent
, cs
->hMenu
, cs
->hInstance
, cs
->lpCreateParams
);
698 /* Find the parent window */
702 /* Make sure parent is valid */
703 if (!IsWindow( cs
->hwndParent
))
705 WARN_(win
)("Bad parent %04x\n", cs
->hwndParent
);
708 } else if ((cs
->style
& WS_CHILD
) && !(cs
->style
& WS_POPUP
)) {
709 WARN_(win
)("No parent for child window\n" );
710 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
713 /* Find the window class */
714 if (!(classPtr
= CLASS_FindClassByAtom( classAtom
, win32
?cs
->hInstance
:GetExePtr(cs
->hInstance
) )))
716 GlobalGetAtomNameA( classAtom
, buffer
, sizeof(buffer
) );
717 WARN_(win
)("Bad class '%s'\n", buffer
);
721 /* Fix the lpszClass field: from existing programs, it seems ok to call a CreateWindowXXX
722 * with an atom as the class name, put some programs expect to have a *REAL* string in
723 * lpszClass when the CREATESTRUCT is sent with WM_CREATE
725 if ( !HIWORD(cs
->lpszClass
) ) {
727 GlobalGetAtomNameW( classAtom
, (LPWSTR
)buffer
, sizeof(buffer
) );
729 GlobalGetAtomNameA( classAtom
, buffer
, sizeof(buffer
) );
731 cs
->lpszClass
= buffer
;
734 /* Fix the coordinates */
736 if (cs
->x
== CW_USEDEFAULT
)
738 PDB
*pdb
= PROCESS_Current();
739 if ( !(cs
->style
& (WS_CHILD
| WS_POPUP
))
740 && (pdb
->env_db
->startup_info
->dwFlags
& STARTF_USEPOSITION
) )
742 cs
->x
= pdb
->env_db
->startup_info
->dwX
;
743 cs
->y
= pdb
->env_db
->startup_info
->dwY
;
751 if (cs
->cx
== CW_USEDEFAULT
)
753 PDB
*pdb
= PROCESS_Current();
754 if ( !(cs
->style
& (WS_CHILD
| WS_POPUP
))
755 && (pdb
->env_db
->startup_info
->dwFlags
& STARTF_USESIZE
) )
757 cs
->cx
= pdb
->env_db
->startup_info
->dwXSize
;
758 cs
->cy
= pdb
->env_db
->startup_info
->dwYSize
;
762 cs
->cx
= 600; /* FIXME */
767 /* Create the window structure */
769 if (!(hwnd
= USER_HEAP_ALLOC( sizeof(*wndPtr
) + classPtr
->cbWndExtra
770 - sizeof(wndPtr
->wExtra
) )))
772 TRACE_(win
)("out of memory\n" );
776 /* Fill the window structure */
778 wndPtr
= WIN_LockWndPtr((WND
*) USER_HEAP_LIN_ADDR( hwnd
));
780 wndPtr
->child
= NULL
;
782 if ((cs
->style
& WS_CHILD
) && cs
->hwndParent
)
784 wndPtr
->parent
= WIN_FindWndPtr( cs
->hwndParent
);
785 wndPtr
->owner
= NULL
;
786 WIN_ReleaseWndPtr(wndPtr
->parent
);
790 wndPtr
->parent
= pWndDesktop
;
791 if (!cs
->hwndParent
|| (cs
->hwndParent
== pWndDesktop
->hwndSelf
))
792 wndPtr
->owner
= NULL
;
795 WND
*tmpWnd
= WIN_FindWndPtr(cs
->hwndParent
);
796 wndPtr
->owner
= WIN_GetTopParentPtr(tmpWnd
);
797 WIN_ReleaseWndPtr(wndPtr
->owner
);
798 WIN_ReleaseWndPtr(tmpWnd
);
802 wndPtr
->pDriver
= wndPtr
->parent
->pDriver
;
803 wndPtr
->pDriver
->pInitialize(wndPtr
);
805 wndPtr
->class = classPtr
;
806 wndPtr
->winproc
= classPtr
->winproc
;
807 wndPtr
->dwMagic
= WND_MAGIC
;
808 wndPtr
->hwndSelf
= hwnd
;
809 wndPtr
->hInstance
= cs
->hInstance
;
811 wndPtr
->hmemTaskQ
= GetFastQueue16();
812 wndPtr
->hrgnUpdate
= 0;
813 wndPtr
->hwndLastActive
= hwnd
;
814 wndPtr
->dwStyle
= cs
->style
& ~WS_VISIBLE
;
815 wndPtr
->dwExStyle
= cs
->dwExStyle
;
817 wndPtr
->helpContext
= 0;
818 wndPtr
->flags
= win32
? WIN_ISWIN32
: 0;
819 wndPtr
->pVScroll
= NULL
;
820 wndPtr
->pHScroll
= NULL
;
821 wndPtr
->pProp
= NULL
;
822 wndPtr
->userdata
= 0;
823 wndPtr
->hSysMenu
= (wndPtr
->dwStyle
& WS_SYSMENU
)
824 ? MENU_GetSysMenu( hwnd
, 0 ) : 0;
825 wndPtr
->irefCount
= 1;
827 if (classPtr
->cbWndExtra
) memset( wndPtr
->wExtra
, 0, classPtr
->cbWndExtra
);
829 /* Call the WH_CBT hook */
831 hwndLinkAfter
= ((cs
->style
& (WS_CHILD
|WS_MAXIMIZE
)) == WS_CHILD
)
832 ? HWND_BOTTOM
: HWND_TOP
;
834 if (HOOK_IsHooked( WH_CBT
))
840 cbtc
.hwndInsertAfter
= hwndLinkAfter
;
841 ret
= unicode
? HOOK_CallHooksW(WH_CBT
, HCBT_CREATEWND
, hwnd
, (LPARAM
)&cbtc
)
842 : HOOK_CallHooksA(WH_CBT
, HCBT_CREATEWND
, hwnd
, (LPARAM
)&cbtc
);
845 TRACE_(win
)("CBT-hook returned 0\n");
846 wndPtr
->pDriver
->pFinalize(wndPtr
);
847 USER_HEAP_FREE( hwnd
);
853 /* Increment class window counter */
855 classPtr
->cWindows
++;
857 /* Correct the window style */
859 if (!(cs
->style
& WS_CHILD
))
861 wndPtr
->dwStyle
|= WS_CLIPSIBLINGS
;
862 if (!(cs
->style
& WS_POPUP
))
864 wndPtr
->dwStyle
|= WS_CAPTION
;
865 wndPtr
->flags
|= WIN_NEED_SIZE
;
868 if (cs
->dwExStyle
& WS_EX_DLGMODALFRAME
) wndPtr
->dwStyle
&= ~WS_THICKFRAME
;
870 /* Get class or window DC if needed */
872 if (classPtr
->style
& CS_OWNDC
) wndPtr
->dce
= DCE_AllocDCE(hwnd
,DCE_WINDOW_DC
);
873 else if (classPtr
->style
& CS_CLASSDC
) wndPtr
->dce
= classPtr
->dce
;
874 else wndPtr
->dce
= NULL
;
876 /* Send the WM_GETMINMAXINFO message and fix the size if needed */
878 if ((cs
->style
& WS_THICKFRAME
) || !(cs
->style
& (WS_POPUP
| WS_CHILD
)))
880 WINPOS_GetMinMaxInfo( wndPtr
, &maxSize
, &maxPos
, &minTrack
, &maxTrack
);
881 if (maxSize
.x
< cs
->cx
) cs
->cx
= maxSize
.x
;
882 if (maxSize
.y
< cs
->cy
) cs
->cy
= maxSize
.y
;
883 if (cs
->cx
< minTrack
.x
) cs
->cx
= minTrack
.x
;
884 if (cs
->cy
< minTrack
.y
) cs
->cy
= minTrack
.y
;
887 if(cs
->style
& WS_CHILD
)
889 if(cs
->cx
< 0) cs
->cx
= 0;
890 if(cs
->cy
< 0) cs
->cy
= 0;
894 if (cs
->cx
<= 0) cs
->cx
= 1;
895 if (cs
->cy
<= 0) cs
->cy
= 1;
898 wndPtr
->rectWindow
.left
= cs
->x
;
899 wndPtr
->rectWindow
.top
= cs
->y
;
900 wndPtr
->rectWindow
.right
= cs
->x
+ cs
->cx
;
901 wndPtr
->rectWindow
.bottom
= cs
->y
+ cs
->cy
;
902 wndPtr
->rectClient
= wndPtr
->rectWindow
;
904 if(!wndPtr
->pDriver
->pCreateWindow(wndPtr
, classPtr
, cs
, unicode
))
910 /* Set the window menu */
912 if ((wndPtr
->dwStyle
& (WS_CAPTION
| WS_CHILD
)) == WS_CAPTION
)
914 if (cs
->hMenu
) SetMenu(hwnd
, cs
->hMenu
);
917 #if 0 /* FIXME: should check if classPtr->menuNameW can be used as is */
918 if (classPtr
->menuNameA
)
919 cs
->hMenu
= HIWORD(classPtr
->menuNameA
) ?
920 LoadMenu(cs
->hInstance
,SEGPTR_GET(classPtr
->menuNameA
)):
921 LoadMenu(cs
->hInstance
,(SEGPTR
)classPtr
->menuNameA
);
923 SEGPTR menuName
= (SEGPTR
)GetClassLong16( hwnd
, GCL_MENUNAME
);
926 if (HIWORD(cs
->hInstance
))
927 cs
->hMenu
= LoadMenuA(cs
->hInstance
,PTR_SEG_TO_LIN(menuName
));
929 cs
->hMenu
= LoadMenu16(cs
->hInstance
,menuName
);
931 if (cs
->hMenu
) SetMenu( hwnd
, cs
->hMenu
);
936 else wndPtr
->wIDmenu
= (UINT
)cs
->hMenu
;
938 /* Send the WM_CREATE message
939 * Perhaps we shouldn't allow width/height changes as well.
940 * See p327 in "Internals".
943 maxPos
.x
= wndPtr
->rectWindow
.left
; maxPos
.y
= wndPtr
->rectWindow
.top
;
945 localSend32
= unicode
? SendMessageW
: SendMessageA
;
946 if( (*localSend32
)( hwnd
, WM_NCCREATE
, 0, (LPARAM
)cs
) )
948 /* Insert the window in the linked list */
950 WIN_LinkWindow( hwnd
, hwndLinkAfter
);
952 WINPOS_SendNCCalcSize( hwnd
, FALSE
, &wndPtr
->rectWindow
,
953 NULL
, NULL
, 0, &wndPtr
->rectClient
);
954 OffsetRect(&wndPtr
->rectWindow
, maxPos
.x
- wndPtr
->rectWindow
.left
,
955 maxPos
.y
- wndPtr
->rectWindow
.top
);
956 if( ((*localSend32
)( hwnd
, WM_CREATE
, 0, (LPARAM
)cs
)) != -1 )
958 /* Send the size messages */
960 if (!(wndPtr
->flags
& WIN_NEED_SIZE
))
963 if (((wndPtr
->rectClient
.right
-wndPtr
->rectClient
.left
) <0)
964 ||((wndPtr
->rectClient
.bottom
-wndPtr
->rectClient
.top
)<0))
965 WARN_(win
)("sending bogus WM_SIZE message 0x%08lx\n",
966 MAKELONG(wndPtr
->rectClient
.right
-wndPtr
->rectClient
.left
,
967 wndPtr
->rectClient
.bottom
-wndPtr
->rectClient
.top
));
968 SendMessageA( hwnd
, WM_SIZE
, SIZE_RESTORED
,
969 MAKELONG(wndPtr
->rectClient
.right
-wndPtr
->rectClient
.left
,
970 wndPtr
->rectClient
.bottom
-wndPtr
->rectClient
.top
));
971 SendMessageA( hwnd
, WM_MOVE
, 0,
972 MAKELONG( wndPtr
->rectClient
.left
,
973 wndPtr
->rectClient
.top
) );
976 /* Show the window, maximizing or minimizing if needed */
978 if (wndPtr
->dwStyle
& (WS_MINIMIZE
| WS_MAXIMIZE
))
981 UINT16 swFlag
= (wndPtr
->dwStyle
& WS_MINIMIZE
) ? SW_MINIMIZE
: SW_MAXIMIZE
;
982 wndPtr
->dwStyle
&= ~(WS_MAXIMIZE
| WS_MINIMIZE
);
983 WINPOS_MinMaximize( wndPtr
, swFlag
, &newPos
);
984 swFlag
= ((wndPtr
->dwStyle
& WS_CHILD
) || GetActiveWindow())
985 ? SWP_NOACTIVATE
| SWP_NOZORDER
| SWP_FRAMECHANGED
986 : SWP_NOZORDER
| SWP_FRAMECHANGED
;
987 SetWindowPos( hwnd
, 0, newPos
.left
, newPos
.top
,
988 newPos
.right
, newPos
.bottom
, swFlag
);
991 if( wndPtr
->dwStyle
& WS_CHILD
&& !(wndPtr
->dwExStyle
& WS_EX_NOPARENTNOTIFY
) )
993 /* Notify the parent window only */
995 SendMessageA( wndPtr
->parent
->hwndSelf
, WM_PARENTNOTIFY
,
996 MAKEWPARAM(WM_CREATE
, wndPtr
->wIDmenu
), (LPARAM
)hwnd
);
997 if( !IsWindow(hwnd
) )
1004 if (cs
->style
& WS_VISIBLE
) ShowWindow( hwnd
, SW_SHOW
);
1006 /* Call WH_SHELL hook */
1008 if (!(wndPtr
->dwStyle
& WS_CHILD
) && !wndPtr
->owner
)
1009 HOOK_CallHooks16( WH_SHELL
, HSHELL_WINDOWCREATED
, hwnd
, 0 );
1011 TRACE_(win
)("created window %04x\n", hwnd
);
1015 WIN_UnlinkWindow( hwnd
);
1018 /* Abort window creation */
1020 WARN_(win
)("aborted by WM_xxCREATE!\n");
1021 WIN_ReleaseWndPtr(WIN_DestroyWindow( wndPtr
));
1024 WIN_ReleaseWndPtr(wndPtr
);
1030 /***********************************************************************
1031 * CreateWindow16 (USER.41)
1033 HWND16 WINAPI
CreateWindow16( LPCSTR className
, LPCSTR windowName
,
1034 DWORD style
, INT16 x
, INT16 y
, INT16 width
,
1035 INT16 height
, HWND16 parent
, HMENU16 menu
,
1036 HINSTANCE16 instance
, LPVOID data
)
1038 return CreateWindowEx16( 0, className
, windowName
, style
,
1039 x
, y
, width
, height
, parent
, menu
, instance
, data
);
1043 /***********************************************************************
1044 * CreateWindowEx16 (USER.452)
1046 HWND16 WINAPI
CreateWindowEx16( DWORD exStyle
, LPCSTR className
,
1047 LPCSTR windowName
, DWORD style
, INT16 x
,
1048 INT16 y
, INT16 width
, INT16 height
,
1049 HWND16 parent
, HMENU16 menu
,
1050 HINSTANCE16 instance
, LPVOID data
)
1055 /* Find the class atom */
1057 if (!(classAtom
= GlobalFindAtomA( className
)))
1059 fprintf( stderr
, "CreateWindowEx16: bad class name " );
1060 if (!HIWORD(className
)) fprintf( stderr
, "%04x\n", LOWORD(className
) );
1061 else fprintf( stderr
, "'%s'\n", className
);
1065 /* Fix the coordinates */
1067 cs
.x
= (x
== CW_USEDEFAULT16
) ? CW_USEDEFAULT
: (INT
)x
;
1068 cs
.y
= (y
== CW_USEDEFAULT16
) ? CW_USEDEFAULT
: (INT
)y
;
1069 cs
.cx
= (width
== CW_USEDEFAULT16
) ? CW_USEDEFAULT
: (INT
)width
;
1070 cs
.cy
= (height
== CW_USEDEFAULT16
) ? CW_USEDEFAULT
: (INT
)height
;
1072 /* Create the window */
1074 cs
.lpCreateParams
= data
;
1075 cs
.hInstance
= (HINSTANCE
)instance
;
1076 cs
.hMenu
= (HMENU
)menu
;
1077 cs
.hwndParent
= (HWND
)parent
;
1079 cs
.lpszName
= windowName
;
1080 cs
.lpszClass
= className
;
1081 cs
.dwExStyle
= exStyle
;
1082 return WIN_CreateWindowEx( &cs
, classAtom
, FALSE
, FALSE
);
1086 /***********************************************************************
1087 * CreateWindowEx32A (USER32.83)
1089 HWND WINAPI
CreateWindowExA( DWORD exStyle
, LPCSTR className
,
1090 LPCSTR windowName
, DWORD style
, INT x
,
1091 INT y
, INT width
, INT height
,
1092 HWND parent
, HMENU menu
,
1093 HINSTANCE instance
, LPVOID data
)
1098 if(exStyle
& WS_EX_MDICHILD
)
1099 return MDI_CreateMDIWindowA(className
, windowName
, style
, x
, y
, width
, height
, parent
, instance
, (LPARAM
)data
);
1100 /* Find the class atom */
1102 if (!(classAtom
= GlobalFindAtomA( className
)))
1104 fprintf( stderr
, "CreateWindowEx32A: bad class name " );
1105 if (!HIWORD(className
)) fprintf( stderr
, "%04x\n", LOWORD(className
) );
1106 else fprintf( stderr
, "'%s'\n", className
);
1110 /* Create the window */
1112 cs
.lpCreateParams
= data
;
1113 cs
.hInstance
= instance
;
1115 cs
.hwndParent
= parent
;
1121 cs
.lpszName
= windowName
;
1122 cs
.lpszClass
= className
;
1123 cs
.dwExStyle
= exStyle
;
1124 return WIN_CreateWindowEx( &cs
, classAtom
, TRUE
, FALSE
);
1128 /***********************************************************************
1129 * CreateWindowEx32W (USER32.84)
1131 HWND WINAPI
CreateWindowExW( DWORD exStyle
, LPCWSTR className
,
1132 LPCWSTR windowName
, DWORD style
, INT x
,
1133 INT y
, INT width
, INT height
,
1134 HWND parent
, HMENU menu
,
1135 HINSTANCE instance
, LPVOID data
)
1140 if(exStyle
& WS_EX_MDICHILD
)
1141 return MDI_CreateMDIWindowW(className
, windowName
, style
, x
, y
, width
, height
, parent
, instance
, (LPARAM
)data
);
1143 /* Find the class atom */
1145 if (!(classAtom
= GlobalFindAtomW( className
)))
1147 if (HIWORD(className
))
1149 LPSTR cn
= HEAP_strdupWtoA( GetProcessHeap(), 0, className
);
1150 WARN_(win
)("Bad class name '%s'\n",cn
);
1151 HeapFree( GetProcessHeap(), 0, cn
);
1154 WARN_(win
)("Bad class name %p\n", className
);
1158 /* Create the window */
1160 cs
.lpCreateParams
= data
;
1161 cs
.hInstance
= instance
;
1163 cs
.hwndParent
= parent
;
1169 cs
.lpszName
= windowName
;
1170 cs
.lpszClass
= className
;
1171 cs
.dwExStyle
= exStyle
;
1172 /* Note: we rely on the fact that CREATESTRUCT32A and */
1173 /* CREATESTRUCT32W have the same layout. */
1174 return WIN_CreateWindowEx( (CREATESTRUCTA
*)&cs
, classAtom
, TRUE
, TRUE
);
1178 /***********************************************************************
1181 static void WIN_CheckFocus( WND
* pWnd
)
1183 if( GetFocus16() == pWnd
->hwndSelf
)
1184 SetFocus16( (pWnd
->dwStyle
& WS_CHILD
) ? pWnd
->parent
->hwndSelf
: 0 );
1187 /***********************************************************************
1188 * WIN_SendDestroyMsg
1190 static void WIN_SendDestroyMsg( WND
* pWnd
)
1192 WIN_CheckFocus(pWnd
);
1194 if( CARET_GetHwnd() == pWnd
->hwndSelf
) DestroyCaret();
1195 CLIPBOARD_Driver
->pResetOwner( pWnd
, TRUE
);
1198 * Send the WM_DESTROY to the window.
1200 SendMessageA( pWnd
->hwndSelf
, WM_DESTROY
, 0, 0);
1203 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1204 * make sure that the window still exists when we come back.
1206 if (IsWindow(pWnd
->hwndSelf
))
1208 HWND
* pWndArray
= NULL
;
1213 * Now, if the window has kids, we have to send WM_DESTROY messages
1214 * recursively to it's kids. It seems that those calls can also
1215 * trigger re-entrant calls to DestroyWindow for the kids so we must
1216 * protect against corruption of the list of siblings. We first build
1217 * a list of HWNDs representing all the kids.
1219 pChild
= WIN_LockWndPtr(pWnd
->child
);
1223 WIN_UpdateWndPtr(&pChild
,pChild
->next
);
1227 * If there are no kids, we're done.
1232 pWndArray
= HeapAlloc(GetProcessHeap(), 0, nKidCount
*sizeof(HWND
));
1237 if (pWndArray
==NULL
)
1241 * Now, enumerate all the kids in a list, since we wait to make the SendMessage
1242 * call, our linked list of siblings should be safe.
1245 pChild
= WIN_LockWndPtr(pWnd
->child
);
1248 pWndArray
[nKidCount
] = pChild
->hwndSelf
;
1250 WIN_UpdateWndPtr(&pChild
,pChild
->next
);
1254 * Now that we have a list, go through that list again and send the destroy
1255 * message to those windows. We are using the HWND to retrieve the
1256 * WND pointer so we are effectively checking that all the kid windows are
1257 * still valid before sending the message.
1261 pChild
= WIN_FindWndPtr(pWndArray
[--nKidCount
]);
1265 WIN_SendDestroyMsg( pChild
);
1266 WIN_ReleaseWndPtr(pChild
);
1273 HeapFree(GetProcessHeap(), 0, pWndArray
);
1274 WIN_CheckFocus(pWnd
);
1277 WARN_(win
)("\tdestroyed itself while in WM_DESTROY!\n");
1281 /***********************************************************************
1282 * DestroyWindow16 (USER.53)
1284 BOOL16 WINAPI
DestroyWindow16( HWND16 hwnd
)
1286 return DestroyWindow(hwnd
);
1290 /***********************************************************************
1291 * DestroyWindow32 (USER32.135)
1293 BOOL WINAPI
DestroyWindow( HWND hwnd
)
1298 TRACE_(win
)("(%04x)\n", hwnd
);
1300 /* Initialization */
1302 if (!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
1303 if (wndPtr
== pWndDesktop
)
1305 WIN_ReleaseWndPtr(wndPtr
);
1306 return FALSE
; /* Can't destroy desktop */
1311 if( HOOK_CallHooks16( WH_CBT
, HCBT_DESTROYWND
, hwnd
, 0L) )
1317 if (!(wndPtr
->dwStyle
& WS_CHILD
) && !wndPtr
->owner
)
1319 HOOK_CallHooks16( WH_SHELL
, HSHELL_WINDOWDESTROYED
, hwnd
, 0L );
1320 /* FIXME: clean up palette - see "Internals" p.352 */
1323 if( !QUEUE_IsExitingQueue(wndPtr
->hmemTaskQ
) )
1324 if( wndPtr
->dwStyle
& WS_CHILD
&& !(wndPtr
->dwExStyle
& WS_EX_NOPARENTNOTIFY
) )
1326 /* Notify the parent window only */
1327 SendMessageA( wndPtr
->parent
->hwndSelf
, WM_PARENTNOTIFY
,
1328 MAKEWPARAM(WM_DESTROY
, wndPtr
->wIDmenu
), (LPARAM
)hwnd
);
1329 if( !IsWindow(hwnd
) )
1336 CLIPBOARD_Driver
->pResetOwner( wndPtr
, FALSE
); /* before the window is unmapped */
1338 /* Hide the window */
1340 if (wndPtr
->dwStyle
& WS_VISIBLE
)
1342 SetWindowPos( hwnd
, 0, 0, 0, 0, 0, SWP_HIDEWINDOW
|
1343 SWP_NOACTIVATE
|SWP_NOZORDER
|SWP_NOMOVE
|SWP_NOSIZE
|
1344 ((QUEUE_IsExitingQueue(wndPtr
->hmemTaskQ
))?SWP_DEFERERASE
:0) );
1345 if (!IsWindow(hwnd
))
1352 /* Recursively destroy owned windows */
1354 if( !(wndPtr
->dwStyle
& WS_CHILD
) )
1356 /* make sure top menu popup doesn't get destroyed */
1357 MENU_PatchResidentPopup( (HQUEUE16
)0xFFFF, wndPtr
);
1361 WND
*siblingPtr
= WIN_LockWndPtr(wndPtr
->parent
->child
); /* First sibling */
1364 if (siblingPtr
->owner
== wndPtr
)
1366 if (siblingPtr
->hmemTaskQ
== wndPtr
->hmemTaskQ
)
1369 siblingPtr
->owner
= NULL
;
1371 WIN_UpdateWndPtr(&siblingPtr
,siblingPtr
->next
);
1375 DestroyWindow( siblingPtr
->hwndSelf
);
1376 WIN_ReleaseWndPtr(siblingPtr
);
1381 if( !Options
.managed
|| EVENT_CheckFocus() )
1382 WINPOS_ActivateOtherWindow(wndPtr
);
1384 if( wndPtr
->owner
&&
1385 wndPtr
->owner
->hwndLastActive
== wndPtr
->hwndSelf
)
1386 wndPtr
->owner
->hwndLastActive
= wndPtr
->owner
->hwndSelf
;
1389 /* Send destroy messages */
1391 WIN_SendDestroyMsg( wndPtr
);
1392 if (!IsWindow(hwnd
))
1398 /* Unlink now so we won't bother with the children later on */
1400 if( wndPtr
->parent
) WIN_UnlinkWindow(hwnd
);
1402 /* Destroy the window storage */
1404 WIN_ReleaseWndPtr(WIN_DestroyWindow( wndPtr
));
1407 WIN_ReleaseWndPtr(wndPtr
);
1412 /***********************************************************************
1413 * CloseWindow16 (USER.43)
1415 BOOL16 WINAPI
CloseWindow16( HWND16 hwnd
)
1417 return CloseWindow( hwnd
);
1421 /***********************************************************************
1422 * CloseWindow32 (USER32.56)
1424 BOOL WINAPI
CloseWindow( HWND hwnd
)
1426 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1429 if (!wndPtr
|| (wndPtr
->dwStyle
& WS_CHILD
))
1434 ShowWindow( hwnd
, SW_MINIMIZE
);
1437 WIN_ReleaseWndPtr(wndPtr
);
1443 /***********************************************************************
1444 * OpenIcon16 (USER.44)
1446 BOOL16 WINAPI
OpenIcon16( HWND16 hwnd
)
1448 return OpenIcon( hwnd
);
1452 /***********************************************************************
1453 * OpenIcon32 (USER32.410)
1455 BOOL WINAPI
OpenIcon( HWND hwnd
)
1457 if (!IsIconic( hwnd
)) return FALSE
;
1458 ShowWindow( hwnd
, SW_SHOWNORMAL
);
1463 /***********************************************************************
1466 * Implementation of FindWindow() and FindWindowEx().
1468 static HWND
WIN_FindWindow( HWND parent
, HWND child
, ATOM className
,
1473 CLASS
*pClass
= NULL
;
1477 if (!(pWnd
= WIN_FindWndPtr( child
))) return 0;
1480 if (!pWnd
->parent
|| (pWnd
->parent
->hwndSelf
!= parent
))
1486 else if (pWnd
->parent
!= pWndDesktop
)
1491 WIN_UpdateWndPtr(&pWnd
,pWnd
->next
);
1495 if (!(pWnd
= parent
? WIN_FindWndPtr(parent
) : WIN_LockWndPtr(pWndDesktop
)))
1500 WIN_UpdateWndPtr(&pWnd
,pWnd
->child
);
1508 /* For a child window, all siblings will have the same hInstance, */
1509 /* so we can look for the class once and for all. */
1511 if (className
&& (pWnd
->dwStyle
& WS_CHILD
))
1513 if (!(pClass
= CLASS_FindClassByAtom( className
, pWnd
->hInstance
)))
1521 for ( ; pWnd
; WIN_UpdateWndPtr(&pWnd
,pWnd
->next
))
1523 if (className
&& !(pWnd
->dwStyle
& WS_CHILD
))
1525 if (!(pClass
= CLASS_FindClassByAtom( className
, pWnd
->hInstance
)))
1526 continue; /* Skip this window */
1529 if (pClass
&& (pWnd
->class != pClass
))
1530 continue; /* Not the right class */
1532 /* Now check the title */
1536 retvalue
= pWnd
->hwndSelf
;
1539 if (pWnd
->text
&& !strcmp( pWnd
->text
, title
))
1541 retvalue
= pWnd
->hwndSelf
;
1547 WIN_ReleaseWndPtr(pWnd
);
1553 /***********************************************************************
1554 * FindWindow16 (USER.50)
1556 HWND16 WINAPI
FindWindow16( SEGPTR className
, LPCSTR title
)
1558 return FindWindowEx16( 0, 0, className
, title
);
1562 /***********************************************************************
1563 * FindWindowEx16 (USER.427)
1565 HWND16 WINAPI
FindWindowEx16( HWND16 parent
, HWND16 child
,
1566 SEGPTR className
, LPCSTR title
)
1570 TRACE_(win
)("%04x %04x '%s' '%s'\n", parent
,
1571 child
, HIWORD(className
)?(char *)PTR_SEG_TO_LIN(className
):"",
1572 title
? title
: "");
1576 /* If the atom doesn't exist, then no class */
1577 /* with this name exists either. */
1578 if (!(atom
= GlobalFindAtom16( className
))) return 0;
1580 return WIN_FindWindow( parent
, child
, atom
, title
);
1584 /***********************************************************************
1585 * FindWindow32A (USER32.198)
1587 HWND WINAPI
FindWindowA( LPCSTR className
, LPCSTR title
)
1589 HWND ret
= FindWindowExA( 0, 0, className
, title
);
1590 if (!ret
) SetLastError (ERROR_CANNOT_FIND_WND_CLASS
);
1595 /***********************************************************************
1596 * FindWindowEx32A (USER32.199)
1598 HWND WINAPI
FindWindowExA( HWND parent
, HWND child
,
1599 LPCSTR className
, LPCSTR title
)
1605 /* If the atom doesn't exist, then no class */
1606 /* with this name exists either. */
1607 if (!(atom
= GlobalFindAtomA( className
)))
1609 SetLastError (ERROR_CANNOT_FIND_WND_CLASS
);
1613 return WIN_FindWindow( parent
, child
, atom
, title
);
1617 /***********************************************************************
1618 * FindWindowEx32W (USER32.200)
1620 HWND WINAPI
FindWindowExW( HWND parent
, HWND child
,
1621 LPCWSTR className
, LPCWSTR title
)
1629 /* If the atom doesn't exist, then no class */
1630 /* with this name exists either. */
1631 if (!(atom
= GlobalFindAtomW( className
)))
1633 SetLastError (ERROR_CANNOT_FIND_WND_CLASS
);
1637 buffer
= HEAP_strdupWtoA( GetProcessHeap(), 0, title
);
1638 hwnd
= WIN_FindWindow( parent
, child
, atom
, buffer
);
1639 HeapFree( GetProcessHeap(), 0, buffer
);
1644 /***********************************************************************
1645 * FindWindow32W (USER32.201)
1647 HWND WINAPI
FindWindowW( LPCWSTR className
, LPCWSTR title
)
1649 return FindWindowExW( 0, 0, className
, title
);
1653 /**********************************************************************
1655 * returns a locked pointer
1657 WND
*WIN_GetDesktop(void)
1659 return WIN_LockWndPtr(pWndDesktop
);
1661 /**********************************************************************
1662 * WIN_ReleaseDesktop
1663 * unlock the desktop pointer
1665 void WIN_ReleaseDesktop(void)
1667 WIN_ReleaseWndPtr(pWndDesktop
);
1671 /**********************************************************************
1672 * GetDesktopWindow16 (USER.286)
1674 HWND16 WINAPI
GetDesktopWindow16(void)
1676 return (HWND16
)pWndDesktop
->hwndSelf
;
1680 /**********************************************************************
1681 * GetDesktopWindow32 (USER32.232)
1683 HWND WINAPI
GetDesktopWindow(void)
1685 return pWndDesktop
->hwndSelf
;
1689 /**********************************************************************
1690 * GetDesktopHwnd (USER.278)
1692 * Exactly the same thing as GetDesktopWindow(), but not documented.
1693 * Don't ask me why...
1695 HWND16 WINAPI
GetDesktopHwnd16(void)
1697 return (HWND16
)pWndDesktop
->hwndSelf
;
1701 /*******************************************************************
1702 * EnableWindow16 (USER.34)
1704 BOOL16 WINAPI
EnableWindow16( HWND16 hwnd
, BOOL16 enable
)
1706 return EnableWindow( hwnd
, enable
);
1710 /*******************************************************************
1711 * EnableWindow32 (USER32.172)
1713 BOOL WINAPI
EnableWindow( HWND hwnd
, BOOL enable
)
1718 TRACE_(win
)("EnableWindow32: ( %x, %d )\n", hwnd
, enable
);
1720 if (!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
1721 if (enable
&& (wndPtr
->dwStyle
& WS_DISABLED
))
1724 wndPtr
->dwStyle
&= ~WS_DISABLED
;
1726 if( wndPtr
->flags
& WIN_NATIVE
)
1727 wndPtr
->pDriver
->pSetHostAttr( wndPtr
, HAK_ACCEPTFOCUS
, TRUE
);
1729 SendMessageA( hwnd
, WM_ENABLE
, TRUE
, 0 );
1733 else if (!enable
&& !(wndPtr
->dwStyle
& WS_DISABLED
))
1735 SendMessageA( wndPtr
->hwndSelf
, WM_CANCELMODE
, 0, 0);
1737 /* Disable window */
1738 wndPtr
->dwStyle
|= WS_DISABLED
;
1740 if( wndPtr
->flags
& WIN_NATIVE
)
1741 wndPtr
->pDriver
->pSetHostAttr( wndPtr
, HAK_ACCEPTFOCUS
, FALSE
);
1743 if ((hwnd
== GetFocus()) || IsChild( hwnd
, GetFocus() ))
1745 SetFocus( 0 ); /* A disabled window can't have the focus */
1747 if ((hwnd
== GetCapture()) || IsChild( hwnd
, GetCapture() ))
1749 ReleaseCapture(); /* A disabled window can't capture the mouse */
1751 SendMessageA( hwnd
, WM_ENABLE
, FALSE
, 0 );
1755 retvalue
= ((wndPtr
->dwStyle
& WS_DISABLED
) != 0);
1757 WIN_ReleaseWndPtr(wndPtr
);
1762 /***********************************************************************
1763 * IsWindowEnabled16 (USER.35)
1765 BOOL16 WINAPI
IsWindowEnabled16(HWND16 hWnd
)
1767 return IsWindowEnabled(hWnd
);
1771 /***********************************************************************
1772 * IsWindowEnabled32 (USER32.349)
1774 BOOL WINAPI
IsWindowEnabled(HWND hWnd
)
1779 if (!(wndPtr
= WIN_FindWndPtr(hWnd
))) return FALSE
;
1780 retvalue
= !(wndPtr
->dwStyle
& WS_DISABLED
);
1781 WIN_ReleaseWndPtr(wndPtr
);
1787 /***********************************************************************
1788 * IsWindowUnicode (USER32.350)
1790 BOOL WINAPI
IsWindowUnicode( HWND hwnd
)
1795 if (!(wndPtr
= WIN_FindWndPtr(hwnd
))) return FALSE
;
1796 retvalue
= (WINPROC_GetProcType( wndPtr
->winproc
) == WIN_PROC_32W
);
1797 WIN_ReleaseWndPtr(wndPtr
);
1802 /**********************************************************************
1803 * GetWindowWord16 (USER.133)
1805 WORD WINAPI
GetWindowWord16( HWND16 hwnd
, INT16 offset
)
1807 return GetWindowWord( hwnd
, offset
);
1811 /**********************************************************************
1812 * GetWindowWord32 (USER32.314)
1814 WORD WINAPI
GetWindowWord( HWND hwnd
, INT offset
)
1817 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1818 if (!wndPtr
) return 0;
1821 if (offset
+ sizeof(WORD
) > wndPtr
->class->cbWndExtra
)
1823 WARN_(win
)("Invalid offset %d\n", offset
);
1827 retvalue
= *(WORD
*)(((char *)wndPtr
->wExtra
) + offset
);
1833 if (HIWORD(wndPtr
->wIDmenu
))
1834 WARN_(win
)("GWW_ID: discards high bits of 0x%08x!\n",
1836 retvalue
= (WORD
)wndPtr
->wIDmenu
;
1838 case GWW_HWNDPARENT
:
1839 retvalue
= GetParent(hwnd
);
1842 if (HIWORD(wndPtr
->hInstance
))
1843 WARN_(win
)("GWW_HINSTANCE: discards high bits of 0x%08x!\n",
1845 retvalue
= (WORD
)wndPtr
->hInstance
;
1848 WARN_(win
)("Invalid offset %d\n", offset
);
1853 WIN_ReleaseWndPtr(wndPtr
);
1857 /**********************************************************************
1858 * SetWindowWord16 (USER.134)
1860 WORD WINAPI
SetWindowWord16( HWND16 hwnd
, INT16 offset
, WORD newval
)
1862 return SetWindowWord( hwnd
, offset
, newval
);
1866 /**********************************************************************
1867 * SetWindowWord32 (USER32.524)
1869 WORD WINAPI
SetWindowWord( HWND hwnd
, INT offset
, WORD newval
)
1872 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1873 if (!wndPtr
) return 0;
1876 if (offset
+ sizeof(WORD
) > wndPtr
->class->cbWndExtra
)
1878 WARN_(win
)("Invalid offset %d\n", offset
);
1882 ptr
= (WORD
*)(((char *)wndPtr
->wExtra
) + offset
);
1886 case GWW_ID
: ptr
= (WORD
*)&wndPtr
->wIDmenu
; break;
1887 case GWW_HINSTANCE
: ptr
= (WORD
*)&wndPtr
->hInstance
; break;
1888 case GWW_HWNDPARENT
: retval
= SetParent( hwnd
, newval
);
1891 WARN_(win
)("Invalid offset %d\n", offset
);
1898 WIN_ReleaseWndPtr(wndPtr
);
1903 /**********************************************************************
1906 * Helper function for GetWindowLong().
1908 static LONG
WIN_GetWindowLong( HWND hwnd
, INT offset
, WINDOWPROCTYPE type
)
1911 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1912 if (!wndPtr
) return 0;
1915 if (offset
+ sizeof(LONG
) > wndPtr
->class->cbWndExtra
)
1917 WARN_(win
)("Invalid offset %d\n", offset
);
1921 retvalue
= *(LONG
*)(((char *)wndPtr
->wExtra
) + offset
);
1922 /* Special case for dialog window procedure */
1923 if ((offset
== DWL_DLGPROC
) && (wndPtr
->flags
& WIN_ISDIALOG
))
1925 retvalue
= (LONG
)WINPROC_GetProc( (HWINDOWPROC
)retvalue
, type
);
1932 case GWL_USERDATA
: retvalue
= wndPtr
->userdata
;
1934 case GWL_STYLE
: retvalue
= wndPtr
->dwStyle
;
1936 case GWL_EXSTYLE
: retvalue
= wndPtr
->dwExStyle
;
1938 case GWL_ID
: retvalue
= (LONG
)wndPtr
->wIDmenu
;
1940 case GWL_WNDPROC
: retvalue
= (LONG
)WINPROC_GetProc( wndPtr
->winproc
,
1943 case GWL_HWNDPARENT
: retvalue
= GetParent(hwnd
);
1945 case GWL_HINSTANCE
: retvalue
= wndPtr
->hInstance
;
1948 WARN_(win
)("Unknown offset %d\n", offset
);
1952 WIN_ReleaseWndPtr(wndPtr
);
1957 /**********************************************************************
1960 * Helper function for SetWindowLong().
1962 * 0 is the failure code. However, in the case of failure SetLastError
1963 * must be set to distinguish between a 0 return value and a failure.
1965 * FIXME: The error values for SetLastError may not be right. Can
1966 * someone check with the real thing?
1968 static LONG
WIN_SetWindowLong( HWND hwnd
, INT offset
, LONG newval
,
1969 WINDOWPROCTYPE type
)
1972 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1975 TRACE_(win
)("%x=%p %x %lx %x\n",hwnd
, wndPtr
, offset
, newval
, type
);
1979 /* Is this the right error? */
1980 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
1986 if (offset
+ sizeof(LONG
) > wndPtr
->class->cbWndExtra
)
1988 WARN_(win
)("Invalid offset %d\n", offset
);
1990 /* Is this the right error? */
1991 SetLastError( ERROR_OUTOFMEMORY
);
1996 ptr
= (LONG
*)(((char *)wndPtr
->wExtra
) + offset
);
1997 /* Special case for dialog window procedure */
1998 if ((offset
== DWL_DLGPROC
) && (wndPtr
->flags
& WIN_ISDIALOG
))
2000 retval
= (LONG
)WINPROC_GetProc( (HWINDOWPROC
)*ptr
, type
);
2001 WINPROC_SetProc( (HWINDOWPROC
*)ptr
, (WNDPROC16
)newval
,
2002 type
, WIN_PROC_WINDOW
);
2009 ptr
= (DWORD
*)&wndPtr
->wIDmenu
;
2012 retval
= SetWindowWord( hwnd
, offset
, newval
);
2015 retval
= (LONG
)WINPROC_GetProc( wndPtr
->winproc
, type
);
2016 WINPROC_SetProc( &wndPtr
->winproc
, (WNDPROC16
)newval
,
2017 type
, WIN_PROC_WINDOW
);
2020 style
.styleOld
= wndPtr
->dwStyle
;
2021 newval
&= ~(WS_VISIBLE
| WS_CHILD
); /* Some bits can't be changed this way */
2022 style
.styleNew
= newval
| (style
.styleOld
& (WS_VISIBLE
| WS_CHILD
));
2024 if (wndPtr
->flags
& WIN_ISWIN32
)
2025 SendMessageA(hwnd
,WM_STYLECHANGING
,GWL_STYLE
,(LPARAM
)&style
);
2026 wndPtr
->dwStyle
= style
.styleNew
;
2027 if (wndPtr
->flags
& WIN_ISWIN32
)
2028 SendMessageA(hwnd
,WM_STYLECHANGED
,GWL_STYLE
,(LPARAM
)&style
);
2029 retval
= style
.styleOld
;
2033 ptr
= &wndPtr
->userdata
;
2036 style
.styleOld
= wndPtr
->dwExStyle
;
2037 style
.styleNew
= newval
;
2038 if (wndPtr
->flags
& WIN_ISWIN32
)
2039 SendMessageA(hwnd
,WM_STYLECHANGING
,GWL_EXSTYLE
,(LPARAM
)&style
);
2040 wndPtr
->dwExStyle
= newval
;
2041 if (wndPtr
->flags
& WIN_ISWIN32
)
2042 SendMessageA(hwnd
,WM_STYLECHANGED
,GWL_EXSTYLE
,(LPARAM
)&style
);
2043 retval
= style
.styleOld
;
2047 WARN_(win
)("Invalid offset %d\n", offset
);
2049 /* Don't think this is right error but it should do */
2050 SetLastError( ERROR_OUTOFMEMORY
);
2058 WIN_ReleaseWndPtr(wndPtr
);
2063 /**********************************************************************
2064 * GetWindowLong16 (USER.135)
2066 LONG WINAPI
GetWindowLong16( HWND16 hwnd
, INT16 offset
)
2068 return WIN_GetWindowLong( (HWND
)hwnd
, offset
, WIN_PROC_16
);
2072 /**********************************************************************
2073 * GetWindowLong32A (USER32.305)
2075 LONG WINAPI
GetWindowLongA( HWND hwnd
, INT offset
)
2077 return WIN_GetWindowLong( hwnd
, offset
, WIN_PROC_32A
);
2081 /**********************************************************************
2082 * GetWindowLong32W (USER32.306)
2084 LONG WINAPI
GetWindowLongW( HWND hwnd
, INT offset
)
2086 return WIN_GetWindowLong( hwnd
, offset
, WIN_PROC_32W
);
2090 /**********************************************************************
2091 * SetWindowLong16 (USER.136)
2093 LONG WINAPI
SetWindowLong16( HWND16 hwnd
, INT16 offset
, LONG newval
)
2095 return WIN_SetWindowLong( hwnd
, offset
, newval
, WIN_PROC_16
);
2099 /**********************************************************************
2100 * SetWindowLong32A (USER32.517)
2102 LONG WINAPI
SetWindowLongA( HWND hwnd
, INT offset
, LONG newval
)
2104 return WIN_SetWindowLong( hwnd
, offset
, newval
, WIN_PROC_32A
);
2108 /**********************************************************************
2109 * SetWindowLong32W (USER32.518) Set window attribute
2111 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2112 * value in a window's extra memory.
2114 * The _hwnd_ parameter specifies the window. is the handle to a
2115 * window that has extra memory. The _newval_ parameter contains the
2116 * new attribute or extra memory value. If positive, the _offset_
2117 * parameter is the byte-addressed location in the window's extra
2118 * memory to set. If negative, _offset_ specifies the window
2119 * attribute to set, and should be one of the following values:
2121 * GWL_EXSTYLE The window's extended window style
2123 * GWL_STYLE The window's window style.
2125 * GWL_WNDPROC Pointer to the window's window procedure.
2127 * GWL_HINSTANCE The window's pplication instance handle.
2129 * GWL_ID The window's identifier.
2131 * GWL_USERDATA The window's user-specified data.
2133 * If the window is a dialog box, the _offset_ parameter can be one of
2134 * the following values:
2136 * DWL_DLGPROC The address of the window's dialog box procedure.
2138 * DWL_MSGRESULT The return value of a message
2139 * that the dialog box procedure processed.
2141 * DWL_USER Application specific information.
2145 * If successful, returns the previous value located at _offset_. Otherwise,
2150 * Extra memory for a window class is specified by a nonzero cbWndExtra
2151 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2152 * time of class creation.
2154 * Using GWL_WNDPROC to set a new window procedure effectively creates
2155 * a window subclass. Use CallWindowProc() in the new windows procedure
2156 * to pass messages to the superclass's window procedure.
2158 * The user data is reserved for use by the application which created
2161 * Do not use GWL_STYLE to change the window's WS_DISABLE style;
2162 * instead, call the EnableWindow() function to change the window's
2165 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2166 * SetParent() instead.
2169 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2170 * it sends WM_STYLECHANGING before changing the settings
2171 * and WM_STYLECHANGED afterwards.
2172 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2176 * GWL_STYLE does not dispatch WM_STYLE... messages.
2183 LONG WINAPI
SetWindowLongW(
2184 HWND hwnd
, /* window to alter */
2185 INT offset
, /* offset, in bytes, of location to alter */
2186 LONG newval
/* new value of location */
2188 return WIN_SetWindowLong( hwnd
, offset
, newval
, WIN_PROC_32W
);
2192 /*******************************************************************
2193 * GetWindowText16 (USER.36)
2195 INT16 WINAPI
GetWindowText16( HWND16 hwnd
, SEGPTR lpString
, INT16 nMaxCount
)
2197 return (INT16
)SendMessage16(hwnd
, WM_GETTEXT
, nMaxCount
, (LPARAM
)lpString
);
2201 /*******************************************************************
2202 * GetWindowText32A (USER32.309)
2204 INT WINAPI
GetWindowTextA( HWND hwnd
, LPSTR lpString
, INT nMaxCount
)
2206 return (INT
)SendMessageA( hwnd
, WM_GETTEXT
, nMaxCount
,
2210 /*******************************************************************
2211 * InternalGetWindowText (USER32.326)
2213 INT WINAPI
InternalGetWindowText(HWND hwnd
,LPWSTR lpString
,INT nMaxCount
)
2215 FIXME_(win
)("(0x%08x,%p,0x%x),stub!\n",hwnd
,lpString
,nMaxCount
);
2216 return GetWindowTextW(hwnd
,lpString
,nMaxCount
);
2220 /*******************************************************************
2221 * GetWindowText32W (USER32.312)
2223 INT WINAPI
GetWindowTextW( HWND hwnd
, LPWSTR lpString
, INT nMaxCount
)
2225 return (INT
)SendMessageW( hwnd
, WM_GETTEXT
, nMaxCount
,
2230 /*******************************************************************
2231 * SetWindowText16 (USER.37)
2233 BOOL16 WINAPI
SetWindowText16( HWND16 hwnd
, SEGPTR lpString
)
2235 return (BOOL16
)SendMessage16( hwnd
, WM_SETTEXT
, 0, (LPARAM
)lpString
);
2239 /*******************************************************************
2240 * SetWindowText32A (USER32.521)
2242 BOOL WINAPI
SetWindowTextA( HWND hwnd
, LPCSTR lpString
)
2244 return (BOOL
)SendMessageA( hwnd
, WM_SETTEXT
, 0, (LPARAM
)lpString
);
2248 /*******************************************************************
2249 * SetWindowText32W (USER32.523)
2251 BOOL WINAPI
SetWindowTextW( HWND hwnd
, LPCWSTR lpString
)
2253 return (BOOL
)SendMessageW( hwnd
, WM_SETTEXT
, 0, (LPARAM
)lpString
);
2257 /*******************************************************************
2258 * GetWindowTextLength16 (USER.38)
2260 INT16 WINAPI
GetWindowTextLength16( HWND16 hwnd
)
2262 return (INT16
)SendMessage16( hwnd
, WM_GETTEXTLENGTH
, 0, 0 );
2266 /*******************************************************************
2267 * GetWindowTextLength32A (USER32.310)
2269 INT WINAPI
GetWindowTextLengthA( HWND hwnd
)
2271 return SendMessageA( hwnd
, WM_GETTEXTLENGTH
, 0, 0 );
2274 /*******************************************************************
2275 * GetWindowTextLength32W (USER32.311)
2277 INT WINAPI
GetWindowTextLengthW( HWND hwnd
)
2279 return SendMessageW( hwnd
, WM_GETTEXTLENGTH
, 0, 0 );
2283 /*******************************************************************
2284 * IsWindow16 (USER.47)
2286 BOOL16 WINAPI
IsWindow16( HWND16 hwnd
)
2288 return IsWindow( hwnd
);
2291 void WINAPI
WIN16_IsWindow16( CONTEXT
*context
)
2293 WORD
*stack
= PTR_SEG_OFF_TO_LIN(SS_reg(context
), SP_reg(context
));
2294 HWND16 hwnd
= (HWND16
)stack
[2];
2296 AX_reg(context
) = IsWindow( hwnd
);
2297 ES_reg(context
) = USER_HeapSel
;
2301 /*******************************************************************
2302 * IsWindow32 (USER32.348)
2304 BOOL WINAPI
IsWindow( HWND hwnd
)
2309 if(!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
2310 retvalue
= (wndPtr
->dwMagic
== WND_MAGIC
);
2311 WIN_ReleaseWndPtr(wndPtr
);
2317 /*****************************************************************
2318 * GetParent16 (USER.46)
2320 HWND16 WINAPI
GetParent16( HWND16 hwnd
)
2322 return (HWND16
)GetParent( hwnd
);
2326 /*****************************************************************
2327 * GetParent32 (USER32.278)
2329 HWND WINAPI
GetParent( HWND hwnd
)
2334 if(!(wndPtr
= WIN_FindWndPtr(hwnd
))) return 0;
2335 if ((!(wndPtr
->dwStyle
& (WS_POPUP
|WS_CHILD
))))
2337 WIN_ReleaseWndPtr(wndPtr
);
2340 WIN_UpdateWndPtr(&wndPtr
,((wndPtr
->dwStyle
& WS_CHILD
) ? wndPtr
->parent
: wndPtr
->owner
));
2341 retvalue
= wndPtr
? wndPtr
->hwndSelf
: 0;
2343 WIN_ReleaseWndPtr(wndPtr
);
2348 /*****************************************************************
2351 * Get the top-level parent for a child window.
2352 * returns a locked pointer
2354 WND
* WIN_GetTopParentPtr( WND
* pWnd
)
2356 WND
*tmpWnd
= WIN_LockWndPtr(pWnd
);
2358 while( tmpWnd
&& (tmpWnd
->dwStyle
& WS_CHILD
))
2360 WIN_UpdateWndPtr(&tmpWnd
,tmpWnd
->parent
);
2365 /*****************************************************************
2368 * Get the top-level parent for a child window.
2370 HWND
WIN_GetTopParent( HWND hwnd
)
2373 WND
*tmpPtr
= WIN_FindWndPtr(hwnd
);
2374 WND
*wndPtr
= WIN_GetTopParentPtr (tmpPtr
);
2376 retvalue
= wndPtr
? wndPtr
->hwndSelf
: 0;
2377 WIN_ReleaseWndPtr(tmpPtr
);
2378 WIN_ReleaseWndPtr(wndPtr
);
2383 /*****************************************************************
2384 * SetParent16 (USER.233)
2386 HWND16 WINAPI
SetParent16( HWND16 hwndChild
, HWND16 hwndNewParent
)
2388 return SetParent( hwndChild
, hwndNewParent
);
2392 /*****************************************************************
2393 * SetParent32 (USER32.495)
2395 HWND WINAPI
SetParent( HWND hwndChild
, HWND hwndNewParent
)
2404 if(!(wndPtr
= WIN_FindWndPtr(hwndChild
))) return 0;
2406 dwStyle
= wndPtr
->dwStyle
;
2408 pWndNewParent
= hwndNewParent
? WIN_FindWndPtr(hwndNewParent
)
2409 : WIN_LockWndPtr(pWndDesktop
);
2411 /* Windows hides the window first, then shows it again
2412 * including the WM_SHOWWINDOW messages and all */
2413 if (dwStyle
& WS_VISIBLE
)
2414 ShowWindow( hwndChild
, SW_HIDE
);
2416 pWndOldParent
= WIN_LockWndPtr((*wndPtr
->pDriver
->pSetParent
)(wndPtr
, pWndNewParent
));
2418 /* SetParent32 additionally needs to make hwndChild the topmost window
2419 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2420 WM_WINDOWPOSCHANGED notification messages.
2422 SetWindowPos( hwndChild
, HWND_TOPMOST
, 0, 0, 0, 0,
2423 SWP_NOMOVE
|SWP_NOSIZE
|((dwStyle
& WS_VISIBLE
)?SWP_SHOWWINDOW
:0));
2424 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2425 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2427 retvalue
= pWndOldParent
?pWndOldParent
->hwndSelf
:0;
2429 WIN_ReleaseWndPtr(pWndOldParent
);
2430 WIN_ReleaseWndPtr(pWndNewParent
);
2431 WIN_ReleaseWndPtr(wndPtr
);
2437 /*******************************************************************
2438 * IsChild16 (USER.48)
2440 BOOL16 WINAPI
IsChild16( HWND16 parent
, HWND16 child
)
2442 return IsChild(parent
,child
);
2446 /*******************************************************************
2447 * IsChild32 (USER32.339)
2449 BOOL WINAPI
IsChild( HWND parent
, HWND child
)
2451 WND
* wndPtr
= WIN_FindWndPtr( child
);
2452 while (wndPtr
&& (wndPtr
->dwStyle
& WS_CHILD
))
2454 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->parent
);
2455 if (wndPtr
->hwndSelf
== parent
)
2457 WIN_ReleaseWndPtr(wndPtr
);
2461 WIN_ReleaseWndPtr(wndPtr
);
2466 /***********************************************************************
2467 * IsWindowVisible16 (USER.49)
2469 BOOL16 WINAPI
IsWindowVisible16( HWND16 hwnd
)
2471 return IsWindowVisible(hwnd
);
2475 /***********************************************************************
2476 * IsWindowVisible32 (USER32.351)
2478 BOOL WINAPI
IsWindowVisible( HWND hwnd
)
2481 WND
*wndPtr
= WIN_FindWndPtr( hwnd
);
2482 while (wndPtr
&& (wndPtr
->dwStyle
& WS_CHILD
))
2484 if (!(wndPtr
->dwStyle
& WS_VISIBLE
))
2486 WIN_ReleaseWndPtr(wndPtr
);
2489 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->parent
);
2491 retval
= (wndPtr
&& (wndPtr
->dwStyle
& WS_VISIBLE
));
2492 WIN_ReleaseWndPtr(wndPtr
);
2498 /***********************************************************************
2499 * WIN_IsWindowDrawable
2501 * hwnd is drawable when it is visible, all parents are not
2502 * minimized, and it is itself not minimized unless we are
2503 * trying to draw its default class icon.
2505 BOOL
WIN_IsWindowDrawable( WND
* wnd
, BOOL icon
)
2507 if( (wnd
->dwStyle
& WS_MINIMIZE
&&
2508 icon
&& wnd
->class->hIcon
) ||
2509 !(wnd
->dwStyle
& WS_VISIBLE
) ) return FALSE
;
2510 for(wnd
= wnd
->parent
; wnd
; wnd
= wnd
->parent
)
2511 if( wnd
->dwStyle
& WS_MINIMIZE
||
2512 !(wnd
->dwStyle
& WS_VISIBLE
) ) break;
2513 return (wnd
== NULL
);
2517 /*******************************************************************
2518 * GetTopWindow16 (USER.229)
2520 HWND16 WINAPI
GetTopWindow16( HWND16 hwnd
)
2522 return GetTopWindow(hwnd
);
2526 /*******************************************************************
2527 * GetTopWindow32 (USER.229)
2529 HWND WINAPI
GetTopWindow( HWND hwnd
)
2532 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
2533 if (wndPtr
&& wndPtr
->child
)
2535 retval
= wndPtr
->child
->hwndSelf
;
2538 WIN_ReleaseWndPtr(wndPtr
);
2543 /*******************************************************************
2544 * GetWindow16 (USER.262)
2546 HWND16 WINAPI
GetWindow16( HWND16 hwnd
, WORD rel
)
2548 return GetWindow( hwnd
,rel
);
2552 /*******************************************************************
2553 * GetWindow32 (USER32.302)
2555 HWND WINAPI
GetWindow( HWND hwnd
, WORD rel
)
2559 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
2560 if (!wndPtr
) return 0;
2564 if (wndPtr
->parent
) retval
= wndPtr
->parent
->child
->hwndSelf
;
2569 if (!wndPtr
->parent
)
2571 retval
= 0; /* Desktop window */
2574 while (wndPtr
->next
)
2576 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->next
);
2578 retval
= wndPtr
->hwndSelf
;
2582 if (!wndPtr
->next
) retval
= 0;
2583 else retval
= wndPtr
->next
->hwndSelf
;
2587 if (!wndPtr
->parent
)
2589 retval
= 0; /* Desktop window */
2592 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->parent
->child
); /* First sibling */
2593 if (wndPtr
->hwndSelf
== hwnd
)
2595 retval
= 0; /* First in list */
2598 while (wndPtr
->next
)
2600 if (wndPtr
->next
->hwndSelf
== hwnd
)
2602 retval
= wndPtr
->hwndSelf
;
2605 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->next
);
2611 retval
= wndPtr
->owner
? wndPtr
->owner
->hwndSelf
: 0;
2615 retval
= wndPtr
->child
? wndPtr
->child
->hwndSelf
: 0;
2620 WIN_ReleaseWndPtr(wndPtr
);
2625 /*******************************************************************
2626 * GetNextWindow16 (USER.230)
2628 HWND16 WINAPI
GetNextWindow16( HWND16 hwnd
, WORD flag
)
2630 if ((flag
!= GW_HWNDNEXT
) && (flag
!= GW_HWNDPREV
)) return 0;
2631 return GetWindow16( hwnd
, flag
);
2634 /*******************************************************************
2635 * ShowOwnedPopups16 (USER.265)
2637 void WINAPI
ShowOwnedPopups16( HWND16 owner
, BOOL16 fShow
)
2639 ShowOwnedPopups( owner
, fShow
);
2643 /*******************************************************************
2644 * ShowOwnedPopups32 (USER32.531)
2646 BOOL WINAPI
ShowOwnedPopups( HWND owner
, BOOL fShow
)
2649 pWnd
= WIN_LockWndPtr(pWndDesktop
->child
);
2652 if (pWnd
->owner
&& (pWnd
->owner
->hwndSelf
== owner
) &&
2653 (pWnd
->dwStyle
& WS_POPUP
))
2654 ShowWindow( pWnd
->hwndSelf
, fShow
? SW_SHOW
: SW_HIDE
);
2655 WIN_UpdateWndPtr(&pWnd
,pWnd
->next
);
2661 /*******************************************************************
2662 * GetLastActivePopup16 (USER.287)
2664 HWND16 WINAPI
GetLastActivePopup16( HWND16 hwnd
)
2666 return GetLastActivePopup( hwnd
);
2669 /*******************************************************************
2670 * GetLastActivePopup32 (USER32.256)
2672 HWND WINAPI
GetLastActivePopup( HWND hwnd
)
2676 wndPtr
= WIN_FindWndPtr(hwnd
);
2677 if (!wndPtr
) return hwnd
;
2678 retval
= wndPtr
->hwndLastActive
;
2679 WIN_ReleaseWndPtr(wndPtr
);
2684 /*******************************************************************
2687 * Build an array of pointers to the children of a given window.
2688 * The array must be freed with HeapFree(SystemHeap). Return NULL
2689 * when no windows are found.
2691 WND
**WIN_BuildWinArray( WND
*wndPtr
, UINT bwaFlags
, UINT
* pTotal
)
2693 /* Future : this function will lock all windows associated with this array */
2695 WND
**list
, **ppWnd
;
2697 UINT count
= 0, skipOwned
, skipHidden
;
2700 skipHidden
= bwaFlags
& BWA_SKIPHIDDEN
;
2701 skipOwned
= bwaFlags
& BWA_SKIPOWNED
;
2702 skipFlags
= (bwaFlags
& BWA_SKIPDISABLED
) ? WS_DISABLED
: 0;
2703 if( bwaFlags
& BWA_SKIPICONIC
) skipFlags
|= WS_MINIMIZE
;
2705 /* First count the windows */
2708 wndPtr
= WIN_GetDesktop();
2710 pWnd
= WIN_LockWndPtr(wndPtr
->child
);
2713 if( !(pWnd
->dwStyle
& skipFlags
) && !(skipOwned
&& pWnd
->owner
) &&
2714 (!skipHidden
|| (pWnd
->dwStyle
& WS_VISIBLE
)) )
2716 WIN_UpdateWndPtr(&pWnd
,pWnd
->next
);
2721 /* Now build the list of all windows */
2723 if ((list
= (WND
**)HeapAlloc( SystemHeap
, 0, sizeof(WND
*) * (count
+ 1))))
2725 for (pWnd
= WIN_LockWndPtr(wndPtr
->child
), ppWnd
= list
, count
= 0; pWnd
; WIN_UpdateWndPtr(&pWnd
,pWnd
->next
))
2727 if( (pWnd
->dwStyle
& skipFlags
) || (skipOwned
&& pWnd
->owner
) );
2728 else if( !skipHidden
|| pWnd
->dwStyle
& WS_VISIBLE
)
2734 WIN_ReleaseWndPtr(pWnd
);
2740 if( pTotal
) *pTotal
= count
;
2743 /*******************************************************************
2744 * WIN_ReleaseWinArray
2746 void WIN_ReleaseWinArray(WND
**wndArray
)
2748 /* Future : this function will also unlock all windows associated with wndArray */
2749 HeapFree( SystemHeap
, 0, wndArray
);
2753 /*******************************************************************
2754 * EnumWindows16 (USER.54)
2756 BOOL16 WINAPI
EnumWindows16( WNDENUMPROC16 lpEnumFunc
, LPARAM lParam
)
2758 WND
**list
, **ppWnd
;
2760 /* We have to build a list of all windows first, to avoid */
2761 /* unpleasant side-effects, for instance if the callback */
2762 /* function changes the Z-order of the windows. */
2764 if (!(list
= WIN_BuildWinArray(WIN_GetDesktop(), 0, NULL
)))
2766 WIN_ReleaseDesktop();
2770 /* Now call the callback function for every window */
2772 for (ppWnd
= list
; *ppWnd
; ppWnd
++)
2774 LRESULT lpEnumFuncRetval
;
2776 /* Make sure that the window still exists */
2777 if (!IsWindow((*ppWnd
)->hwndSelf
)) continue;
2779 /* To avoid any deadlocks, all the locks on the windows
2780 structures must be suspended before the control
2781 is passed to the application */
2782 iWndsLocks
= WIN_SuspendWndsLock();
2783 lpEnumFuncRetval
= lpEnumFunc( (*ppWnd
)->hwndSelf
, lParam
);
2784 WIN_RestoreWndsLock(iWndsLocks
);
2786 if (!lpEnumFuncRetval
) break;
2788 WIN_ReleaseWinArray(list
);
2789 WIN_ReleaseDesktop();
2794 /*******************************************************************
2795 * EnumWindows32 (USER32.193)
2797 BOOL WINAPI
EnumWindows( WNDENUMPROC lpEnumFunc
, LPARAM lParam
)
2799 return (BOOL
)EnumWindows16( (WNDENUMPROC16
)lpEnumFunc
, lParam
);
2803 /**********************************************************************
2804 * EnumTaskWindows16 (USER.225)
2806 BOOL16 WINAPI
EnumTaskWindows16( HTASK16 hTask
, WNDENUMPROC16 func
,
2809 WND
**list
, **ppWnd
;
2811 /* This function is the same as EnumWindows(), */
2812 /* except for an added check on the window's task. */
2814 if (!(list
= WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL
)))
2816 WIN_ReleaseDesktop();
2820 /* Now call the callback function for every window */
2822 for (ppWnd
= list
; *ppWnd
; ppWnd
++)
2826 /* Make sure that the window still exists */
2827 if (!IsWindow((*ppWnd
)->hwndSelf
)) continue;
2828 if (QUEUE_GetQueueTask((*ppWnd
)->hmemTaskQ
) != hTask
) continue;
2830 /* To avoid any deadlocks, all the locks on the windows
2831 structures must be suspended before the control
2832 is passed to the application */
2833 iWndsLocks
= WIN_SuspendWndsLock();
2834 funcRetval
= func( (*ppWnd
)->hwndSelf
, lParam
);
2835 WIN_RestoreWndsLock(iWndsLocks
);
2837 if (!funcRetval
) break;
2839 WIN_ReleaseWinArray(list
);
2840 WIN_ReleaseDesktop();
2845 /**********************************************************************
2846 * EnumThreadWindows (USER32.190)
2848 BOOL WINAPI
EnumThreadWindows( DWORD id
, WNDENUMPROC func
, LPARAM lParam
)
2850 THDB
*tdb
= THREAD_IdToTHDB(id
);
2852 return (BOOL16
)EnumTaskWindows16(tdb
->teb
.htask16
, (WNDENUMPROC16
)func
, lParam
);
2856 /**********************************************************************
2857 * WIN_EnumChildWindows
2859 * Helper function for EnumChildWindows().
2861 static BOOL16
WIN_EnumChildWindows( WND
**ppWnd
, WNDENUMPROC16 func
,
2867 for ( ; *ppWnd
; ppWnd
++)
2871 /* Make sure that the window still exists */
2872 if (!IsWindow((*ppWnd
)->hwndSelf
)) continue;
2873 /* Build children list first */
2874 childList
= WIN_BuildWinArray( *ppWnd
, BWA_SKIPOWNED
, NULL
);
2876 /* To avoid any deadlocks, all the locks on the windows
2877 structures must be suspended before the control
2878 is passed to the application */
2879 iWndsLocks
= WIN_SuspendWndsLock();
2880 ret
= func( (*ppWnd
)->hwndSelf
, lParam
);
2881 WIN_RestoreWndsLock(iWndsLocks
);
2885 if (ret
) ret
= WIN_EnumChildWindows( childList
, func
, lParam
);
2886 WIN_ReleaseWinArray(childList
);
2888 if (!ret
) return FALSE
;
2894 /**********************************************************************
2895 * EnumChildWindows16 (USER.55)
2897 BOOL16 WINAPI
EnumChildWindows16( HWND16 parent
, WNDENUMPROC16 func
,
2900 WND
**list
, *pParent
;
2902 if (!(pParent
= WIN_FindWndPtr( parent
))) return FALSE
;
2903 if (!(list
= WIN_BuildWinArray( pParent
, BWA_SKIPOWNED
, NULL
)))
2905 WIN_ReleaseWndPtr(pParent
);
2908 WIN_EnumChildWindows( list
, func
, lParam
);
2909 WIN_ReleaseWinArray(list
);
2910 WIN_ReleaseWndPtr(pParent
);
2915 /**********************************************************************
2916 * EnumChildWindows32 (USER32.178)
2918 BOOL WINAPI
EnumChildWindows( HWND parent
, WNDENUMPROC func
,
2921 return (BOOL
)EnumChildWindows16( (HWND16
)parent
, (WNDENUMPROC16
)func
,
2926 /*******************************************************************
2927 * AnyPopup16 (USER.52)
2929 BOOL16 WINAPI
AnyPopup16(void)
2935 /*******************************************************************
2936 * AnyPopup32 (USER32.4)
2938 BOOL WINAPI
AnyPopup(void)
2940 WND
*wndPtr
= WIN_LockWndPtr(pWndDesktop
->child
);
2945 if (wndPtr
->owner
&& (wndPtr
->dwStyle
& WS_VISIBLE
))
2950 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->next
);
2954 WIN_ReleaseWndPtr(wndPtr
);
2959 /*******************************************************************
2960 * FlashWindow16 (USER.105)
2962 BOOL16 WINAPI
FlashWindow16( HWND16 hWnd
, BOOL16 bInvert
)
2964 return FlashWindow( hWnd
, bInvert
);
2968 /*******************************************************************
2969 * FlashWindow32 (USER32.202)
2971 BOOL WINAPI
FlashWindow( HWND hWnd
, BOOL bInvert
)
2973 WND
*wndPtr
= WIN_FindWndPtr(hWnd
);
2975 TRACE_(win
)("%04x\n", hWnd
);
2977 if (!wndPtr
) return FALSE
;
2979 if (wndPtr
->dwStyle
& WS_MINIMIZE
)
2981 if (bInvert
&& !(wndPtr
->flags
& WIN_NCACTIVATED
))
2983 HDC hDC
= GetDC(hWnd
);
2985 if (!SendMessage16( hWnd
, WM_ERASEBKGND
, (WPARAM16
)hDC
, 0 ))
2986 wndPtr
->flags
|= WIN_NEEDS_ERASEBKGND
;
2988 ReleaseDC( hWnd
, hDC
);
2989 wndPtr
->flags
|= WIN_NCACTIVATED
;
2993 PAINT_RedrawWindow( hWnd
, 0, 0, RDW_INVALIDATE
| RDW_ERASE
|
2994 RDW_UPDATENOW
| RDW_FRAME
, 0 );
2995 wndPtr
->flags
&= ~WIN_NCACTIVATED
;
2997 WIN_ReleaseWndPtr(wndPtr
);
3003 if (bInvert
) wparam
= !(wndPtr
->flags
& WIN_NCACTIVATED
);
3004 else wparam
= (hWnd
== GetActiveWindow());
3006 SendMessage16( hWnd
, WM_NCACTIVATE
, wparam
, (LPARAM
)0 );
3007 WIN_ReleaseWndPtr(wndPtr
);
3013 /*******************************************************************
3014 * SetSysModalWindow16 (USER.188)
3016 HWND16 WINAPI
SetSysModalWindow16( HWND16 hWnd
)
3018 HWND hWndOldModal
= hwndSysModal
;
3019 hwndSysModal
= hWnd
;
3020 FIXME_(win
)("EMPTY STUB !! SetSysModalWindow(%04x) !\n", hWnd
);
3021 return hWndOldModal
;
3025 /*******************************************************************
3026 * GetSysModalWindow16 (USER.52)
3028 HWND16 WINAPI
GetSysModalWindow16(void)
3030 return hwndSysModal
;
3034 /*******************************************************************
3035 * GetWindowContextHelpId (USER32.303)
3037 DWORD WINAPI
GetWindowContextHelpId( HWND hwnd
)
3040 WND
*wnd
= WIN_FindWndPtr( hwnd
);
3042 retval
= wnd
->helpContext
;
3043 WIN_ReleaseWndPtr(wnd
);
3048 /*******************************************************************
3049 * SetWindowContextHelpId (USER32.515)
3051 BOOL WINAPI
SetWindowContextHelpId( HWND hwnd
, DWORD id
)
3053 WND
*wnd
= WIN_FindWndPtr( hwnd
);
3054 if (!wnd
) return FALSE
;
3055 wnd
->helpContext
= id
;
3056 WIN_ReleaseWndPtr(wnd
);
3061 /*******************************************************************
3064 * recursively find a child that contains spDragInfo->pt point
3065 * and send WM_QUERYDROPOBJECT
3067 BOOL16
DRAG_QueryUpdate( HWND hQueryWnd
, SEGPTR spDragInfo
, BOOL bNoSend
)
3069 BOOL16 wParam
,bResult
= 0;
3071 LPDRAGINFO ptrDragInfo
= (LPDRAGINFO
) PTR_SEG_TO_LIN(spDragInfo
);
3072 WND
*ptrQueryWnd
= WIN_FindWndPtr(hQueryWnd
),*ptrWnd
;
3075 if( !ptrQueryWnd
|| !ptrDragInfo
)
3077 WIN_ReleaseWndPtr(ptrQueryWnd
);
3081 CONV_POINT16TO32( &ptrDragInfo
->pt
, &pt
);
3083 GetWindowRect(hQueryWnd
,&tempRect
);
3085 if( !PtInRect(&tempRect
,pt
) ||
3086 (ptrQueryWnd
->dwStyle
& WS_DISABLED
) )
3088 WIN_ReleaseWndPtr(ptrQueryWnd
);
3092 if( !(ptrQueryWnd
->dwStyle
& WS_MINIMIZE
) )
3094 tempRect
= ptrQueryWnd
->rectClient
;
3095 if(ptrQueryWnd
->dwStyle
& WS_CHILD
)
3096 MapWindowPoints( ptrQueryWnd
->parent
->hwndSelf
, 0,
3097 (LPPOINT
)&tempRect
, 2 );
3099 if (PtInRect( &tempRect
, pt
))
3103 for (ptrWnd
= WIN_LockWndPtr(ptrQueryWnd
->child
); ptrWnd
;WIN_UpdateWndPtr(&ptrWnd
,ptrWnd
->next
))
3105 if( ptrWnd
->dwStyle
& WS_VISIBLE
)
3107 GetWindowRect( ptrWnd
->hwndSelf
, &tempRect
);
3108 if (PtInRect( &tempRect
, pt
)) break;
3114 TRACE_(msg
)("hwnd = %04x, %d %d - %d %d\n",
3115 ptrWnd
->hwndSelf
, ptrWnd
->rectWindow
.left
, ptrWnd
->rectWindow
.top
,
3116 ptrWnd
->rectWindow
.right
, ptrWnd
->rectWindow
.bottom
);
3117 if( !(ptrWnd
->dwStyle
& WS_DISABLED
) )
3118 bResult
= DRAG_QueryUpdate(ptrWnd
->hwndSelf
, spDragInfo
, bNoSend
);
3120 WIN_ReleaseWndPtr(ptrWnd
);
3125 WIN_ReleaseWndPtr(ptrQueryWnd
);
3133 ScreenToClient16(hQueryWnd
,&ptrDragInfo
->pt
);
3135 ptrDragInfo
->hScope
= hQueryWnd
;
3137 bResult
= ( bNoSend
)
3138 ? ptrQueryWnd
->dwExStyle
& WS_EX_ACCEPTFILES
3139 : SendMessage16( hQueryWnd
,WM_QUERYDROPOBJECT
,
3140 (WPARAM16
)wParam
,(LPARAM
) spDragInfo
);
3142 CONV_POINT32TO16( &pt
, &ptrDragInfo
->pt
);
3144 WIN_ReleaseWndPtr(ptrQueryWnd
);
3149 /*******************************************************************
3150 * DragDetect (USER.465)
3152 BOOL16 WINAPI
DragDetect16( HWND16 hWnd
, POINT16 pt
)
3155 CONV_POINT16TO32( &pt
, &pt32
);
3156 return DragDetect( hWnd
, pt32
);
3159 /*******************************************************************
3160 * DragDetect32 (USER32.151)
3162 BOOL WINAPI
DragDetect( HWND hWnd
, POINT pt
)
3167 rect
.left
= pt
.x
- wDragWidth
;
3168 rect
.right
= pt
.x
+ wDragWidth
;
3170 rect
.top
= pt
.y
- wDragHeight
;
3171 rect
.bottom
= pt
.y
+ wDragHeight
;
3177 while(PeekMessage16(&msg
,0 ,WM_MOUSEFIRST
,WM_MOUSELAST
,PM_REMOVE
))
3179 if( msg
.message
== WM_LBUTTONUP
)
3184 if( msg
.message
== WM_MOUSEMOVE
)
3186 if( !PtInRect16( &rect
, MAKEPOINT16(msg
.lParam
) ) )
3198 /******************************************************************************
3199 * DragObject16 (USER.464)
3201 DWORD WINAPI
DragObject16( HWND16 hwndScope
, HWND16 hWnd
, UINT16 wObj
,
3202 HANDLE16 hOfStruct
, WORD szList
, HCURSOR16 hCursor
)
3205 LPDRAGINFO lpDragInfo
;
3207 HCURSOR16 hDragCursor
=0, hOldCursor
=0, hBummer
=0;
3208 HGLOBAL16 hDragInfo
= GlobalAlloc16( GMEM_SHARE
| GMEM_ZEROINIT
, 2*sizeof(DRAGINFO
));
3209 WND
*wndPtr
= WIN_FindWndPtr(hWnd
);
3210 HCURSOR16 hCurrentCursor
= 0;
3211 HWND16 hCurrentWnd
= 0;
3213 lpDragInfo
= (LPDRAGINFO
) GlobalLock16(hDragInfo
);
3214 spDragInfo
= (SEGPTR
) WIN16_GlobalLock16(hDragInfo
);
3216 if( !lpDragInfo
|| !spDragInfo
)
3218 WIN_ReleaseWndPtr(wndPtr
);
3222 hBummer
= LoadCursor16(0, IDC_BUMMER16
);
3224 if( !hBummer
|| !wndPtr
)
3226 GlobalFree16(hDragInfo
);
3227 WIN_ReleaseWndPtr(wndPtr
);
3233 if( !(hDragCursor
= CURSORICON_IconToCursor(hCursor
, FALSE
)) )
3235 GlobalFree16(hDragInfo
);
3236 WIN_ReleaseWndPtr(wndPtr
);
3240 if( hDragCursor
== hCursor
) hDragCursor
= 0;
3241 else hCursor
= hDragCursor
;
3243 hOldCursor
= SetCursor(hDragCursor
);
3246 lpDragInfo
->hWnd
= hWnd
;
3247 lpDragInfo
->hScope
= 0;
3248 lpDragInfo
->wFlags
= wObj
;
3249 lpDragInfo
->hList
= szList
; /* near pointer! */
3250 lpDragInfo
->hOfStruct
= hOfStruct
;
3258 do{ WaitMessage(); }
3259 while( !PeekMessage16(&msg
,0,WM_MOUSEFIRST
,WM_MOUSELAST
,PM_REMOVE
) );
3261 *(lpDragInfo
+1) = *lpDragInfo
;
3263 lpDragInfo
->pt
= msg
.pt
;
3265 /* update DRAGINFO struct */
3266 TRACE_(msg
)("lpDI->hScope = %04x\n",lpDragInfo
->hScope
);
3268 if( DRAG_QueryUpdate(hwndScope
, spDragInfo
, FALSE
) > 0 )
3269 hCurrentCursor
= hCursor
;
3272 hCurrentCursor
= hBummer
;
3273 lpDragInfo
->hScope
= 0;
3275 if( hCurrentCursor
)
3276 SetCursor(hCurrentCursor
);
3278 /* send WM_DRAGLOOP */
3279 SendMessage16( hWnd
, WM_DRAGLOOP
, (WPARAM16
)(hCurrentCursor
!= hBummer
),
3280 (LPARAM
) spDragInfo
);
3281 /* send WM_DRAGSELECT or WM_DRAGMOVE */
3282 if( hCurrentWnd
!= lpDragInfo
->hScope
)
3285 SendMessage16( hCurrentWnd
, WM_DRAGSELECT
, 0,
3286 (LPARAM
)MAKELONG(LOWORD(spDragInfo
)+sizeof(DRAGINFO
),
3287 HIWORD(spDragInfo
)) );
3288 hCurrentWnd
= lpDragInfo
->hScope
;
3290 SendMessage16( hCurrentWnd
, WM_DRAGSELECT
, 1, (LPARAM
)spDragInfo
);
3294 SendMessage16( hCurrentWnd
, WM_DRAGMOVE
, 0, (LPARAM
)spDragInfo
);
3296 } while( msg
.message
!= WM_LBUTTONUP
&& msg
.message
!= WM_NCLBUTTONUP
);
3299 ShowCursor( FALSE
);
3303 SetCursor( hOldCursor
);
3304 if (hDragCursor
) DestroyCursor( hDragCursor
);
3307 if( hCurrentCursor
!= hBummer
)
3308 msg
.lParam
= SendMessage16( lpDragInfo
->hScope
, WM_DROPOBJECT
,
3309 (WPARAM16
)hWnd
, (LPARAM
)spDragInfo
);
3312 GlobalFree16(hDragInfo
);
3313 WIN_ReleaseWndPtr(wndPtr
);
3315 return (DWORD
)(msg
.lParam
);