2 * Window related functions
4 * Copyright 1993, 1994 Alexandre Julliard
9 #include "wine/winbase16.h"
10 #include "wine/winuser16.h"
17 #include "cursoricon.h"
21 #include "nonclient.h"
24 #include "clipboard.h"
34 #include "stackframe.h"
35 #include "debugtools.h"
37 DECLARE_DEBUG_CHANNEL(msg
)
38 DECLARE_DEBUG_CHANNEL(win
)
40 /**********************************************************************/
42 WND_DRIVER
*WND_Driver
= NULL
;
45 static WND
*pWndDesktop
= NULL
;
47 static HWND hwndSysModal
= 0;
49 static WORD wDragWidth
= 4;
50 static WORD wDragHeight
= 3;
53 static SYSLEVEL WIN_SysLevel
;
55 /***********************************************************************
60 /* Initialisation of the critical section for thread safeness */
61 _CreateSysLevel( &WIN_SysLevel
, 2 );
64 /***********************************************************************
67 * Locks access to all WND structures for thread safeness
69 void WIN_LockWnds( void )
71 _EnterSysLevel( &WIN_SysLevel
);
74 /***********************************************************************
77 * Unlocks access to all WND structures
79 void WIN_UnlockWnds( void )
81 _LeaveSysLevel( &WIN_SysLevel
);
84 /***********************************************************************
87 * Suspend the lock on WND structures.
88 * Returns the number of locks suspended
90 int WIN_SuspendWndsLock( void )
92 int isuspendedLocks
= _ConfirmSysLevel( &WIN_SysLevel
);
93 int count
= isuspendedLocks
;
96 _LeaveSysLevel( &WIN_SysLevel
);
98 return isuspendedLocks
;
101 /***********************************************************************
102 * WIN_RestoreWndsLock
104 * Restore the suspended locks on WND structures
106 void WIN_RestoreWndsLock( int ipreviousLocks
)
108 while ( ipreviousLocks
-- > 0 )
109 _EnterSysLevel( &WIN_SysLevel
);
112 /***********************************************************************
115 * Return a pointer to the WND structure corresponding to a HWND.
117 WND
* WIN_FindWndPtr( HWND hwnd
)
121 if (!hwnd
|| HIWORD(hwnd
)) goto error2
;
122 ptr
= (WND
*) USER_HEAP_LIN_ADDR( hwnd
);
123 /* Lock all WND structures for thread safeness*/
125 /*and increment destruction monitoring*/
128 if (ptr
->dwMagic
!= WND_MAGIC
) goto error
;
129 if (ptr
->hwndSelf
!= hwnd
)
131 ERR_(win
)("Can't happen: hwnd %04x self pointer is %04x\n",hwnd
, ptr
->hwndSelf
);
134 /* returns a locked pointer */
137 /* Unlock all WND structures for thread safeness*/
139 /* and decrement destruction monitoring value */
144 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
148 /***********************************************************************
151 * Use in case the wnd ptr is not initialized with WIN_FindWndPtr
153 * Returns the locked initialisation pointer
155 WND
*WIN_LockWndPtr(WND
*initWndPtr
)
157 if(!initWndPtr
) return 0;
159 /* Lock all WND structures for thread safeness*/
161 /*and increment destruction monitoring*/
162 initWndPtr
->irefCount
++;
168 /***********************************************************************
171 * Release the pointer to the WND structure.
173 void WIN_ReleaseWndPtr(WND
*wndPtr
)
177 /*Decrement destruction monitoring value*/
179 /* Check if it's time to release the memory*/
180 if(wndPtr
->irefCount
== 0 && !wndPtr
->dwMagic
)
183 USER_HEAP_FREE( wndPtr
->hwndSelf
);
184 wndPtr
->hwndSelf
= 0;
186 else if(wndPtr
->irefCount
< 0)
188 /* This else if is useful to monitor the WIN_ReleaseWndPtr function */
189 ERR_(win
)("forgot a Lock on %p somewhere\n",wndPtr
);
191 /*unlock all WND structures for thread safeness*/
195 /***********************************************************************
198 * Updates the value of oldPtr to newPtr.
200 void WIN_UpdateWndPtr(WND
**oldPtr
, WND
*newPtr
)
204 tmpWnd
= WIN_LockWndPtr(newPtr
);
205 WIN_ReleaseWndPtr(*oldPtr
);
210 /***********************************************************************
213 * Dump the content of a window structure to stderr.
215 void WIN_DumpWindow( HWND hwnd
)
221 if (!(ptr
= WIN_FindWndPtr( hwnd
)))
223 WARN_(win
)("%04x is not a window handle\n", hwnd
);
227 if (!GetClassNameA( hwnd
, className
, sizeof(className
) ))
228 strcpy( className
, "#NULL#" );
230 TRACE_(win
)("Window %04x (%p):\n", hwnd
, ptr
);
231 DPRINTF( "next=%p child=%p parent=%p owner=%p class=%p '%s'\n"
232 "inst=%04x taskQ=%04x updRgn=%04x active=%04x dce=%p idmenu=%08x\n"
233 "style=%08lx exstyle=%08lx wndproc=%08x text='%s'\n"
234 "client=%d,%d-%d,%d window=%d,%d-%d,%d"
235 "sysmenu=%04x flags=%04x props=%p vscroll=%p hscroll=%p\n",
236 ptr
->next
, ptr
->child
, ptr
->parent
, ptr
->owner
,
237 ptr
->class, className
, ptr
->hInstance
, ptr
->hmemTaskQ
,
238 ptr
->hrgnUpdate
, ptr
->hwndLastActive
, ptr
->dce
, ptr
->wIDmenu
,
239 ptr
->dwStyle
, ptr
->dwExStyle
, (UINT
)ptr
->winproc
,
240 ptr
->text
? ptr
->text
: "",
241 ptr
->rectClient
.left
, ptr
->rectClient
.top
, ptr
->rectClient
.right
,
242 ptr
->rectClient
.bottom
, ptr
->rectWindow
.left
, ptr
->rectWindow
.top
,
243 ptr
->rectWindow
.right
, ptr
->rectWindow
.bottom
, ptr
->hSysMenu
,
244 ptr
->flags
, ptr
->pProp
, ptr
->pVScroll
, ptr
->pHScroll
);
246 if (ptr
->class->cbWndExtra
)
248 DPRINTF( "extra bytes:" );
249 for (i
= 0; i
< ptr
->class->cbWndExtra
; i
++)
250 DPRINTF( " %02x", *((BYTE
*)ptr
->wExtra
+i
) );
254 WIN_ReleaseWndPtr(ptr
);
258 /***********************************************************************
261 * Walk the windows tree and print each window on stderr.
263 void WIN_WalkWindows( HWND hwnd
, int indent
)
268 ptr
= hwnd
? WIN_FindWndPtr( hwnd
) : WIN_GetDesktop();
272 WARN_(win
)("Invalid window handle %04x\n", hwnd
);
276 if (!indent
) /* first time around */
277 DPRINTF( "%-16.16s %-8.8s %-6.6s %-17.17s %-8.8s %s\n",
278 "hwnd", " wndPtr", "queue", "Class Name", " Style", " WndProc"
283 DPRINTF( "%*s%04x%*s", indent
, "", ptr
->hwndSelf
, 13-indent
,"");
285 GlobalGetAtomName16(ptr
->class->atomName
,className
,sizeof(className
));
287 DPRINTF( "%08lx %-6.4x %-17.17s %08x %08x %.14s\n",
288 (DWORD
)ptr
, ptr
->hmemTaskQ
, className
,
289 (UINT
)ptr
->dwStyle
, (UINT
)ptr
->winproc
,
290 ptr
->text
?ptr
->text
:"<null>");
292 if (ptr
->child
) WIN_WalkWindows( ptr
->child
->hwndSelf
, indent
+1 );
293 WIN_UpdateWndPtr(&ptr
,ptr
->next
);
299 /***********************************************************************
302 * Remove a window from the siblings linked list.
304 BOOL
WIN_UnlinkWindow( HWND hwnd
)
306 WND
*wndPtr
, **ppWnd
;
309 if (!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
310 else if(!wndPtr
->parent
)
312 WIN_ReleaseWndPtr(wndPtr
);
316 ppWnd
= &wndPtr
->parent
->child
;
317 while (*ppWnd
&& *ppWnd
!= wndPtr
) ppWnd
= &(*ppWnd
)->next
;
320 *ppWnd
= wndPtr
->next
;
323 WIN_ReleaseWndPtr(wndPtr
);
328 /***********************************************************************
331 * Insert a window into the siblings linked list.
332 * The window is inserted after the specified window, which can also
333 * be specified as HWND_TOP or HWND_BOTTOM.
335 BOOL
WIN_LinkWindow( HWND hwnd
, HWND hwndInsertAfter
)
337 WND
*wndPtr
, **ppWnd
;
339 if (!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
340 else if(!wndPtr
->parent
)
342 WIN_ReleaseWndPtr(wndPtr
);
345 if ((hwndInsertAfter
== HWND_TOP
) || (hwndInsertAfter
== HWND_BOTTOM
))
347 ppWnd
= &wndPtr
->parent
->child
; /* Point to first sibling hwnd */
348 if (hwndInsertAfter
== HWND_BOTTOM
) /* Find last sibling hwnd */
349 while (*ppWnd
) ppWnd
= &(*ppWnd
)->next
;
351 else /* Normal case */
353 WND
* afterPtr
= WIN_FindWndPtr( hwndInsertAfter
);
356 WIN_ReleaseWndPtr(wndPtr
);
359 ppWnd
= &afterPtr
->next
;
360 WIN_ReleaseWndPtr(afterPtr
);
362 wndPtr
->next
= *ppWnd
;
364 WIN_ReleaseWndPtr(wndPtr
);
369 /***********************************************************************
370 * WIN_FindWinToRepaint
372 * Find a window that needs repaint.
374 HWND
WIN_FindWinToRepaint( HWND hwnd
, HQUEUE16 hQueue
)
379 /* Note: the desktop window never gets WM_PAINT messages
380 * The real reason why is because Windows DesktopWndProc
381 * does ValidateRgn inside WM_ERASEBKGND handler.
384 pWnd
= hwnd
? WIN_FindWndPtr(hwnd
) : WIN_LockWndPtr(pWndDesktop
->child
);
386 for ( ; pWnd
; WIN_UpdateWndPtr(&pWnd
,pWnd
->next
))
388 if (!(pWnd
->dwStyle
& WS_VISIBLE
))
390 TRACE_(win
)("skipping window %04x\n",
393 else if ((pWnd
->hmemTaskQ
== hQueue
) &&
394 (pWnd
->hrgnUpdate
|| (pWnd
->flags
& WIN_INTERNAL_PAINT
)))
397 else if (pWnd
->child
)
398 if ((hwndRet
= WIN_FindWinToRepaint( pWnd
->child
->hwndSelf
, hQueue
)) )
400 WIN_ReleaseWndPtr(pWnd
);
411 hwndRet
= pWnd
->hwndSelf
;
413 /* look among siblings if we got a transparent window */
414 while (pWnd
&& ((pWnd
->dwExStyle
& WS_EX_TRANSPARENT
) ||
415 !(pWnd
->hrgnUpdate
|| (pWnd
->flags
& WIN_INTERNAL_PAINT
))))
417 WIN_UpdateWndPtr(&pWnd
,pWnd
->next
);
421 hwndRet
= pWnd
->hwndSelf
;
422 WIN_ReleaseWndPtr(pWnd
);
424 TRACE_(win
)("found %04x\n",hwndRet
);
429 /***********************************************************************
432 * Destroy storage associated to a window. "Internals" p.358
433 * returns a locked wndPtr->next
435 static WND
* WIN_DestroyWindow( WND
* wndPtr
)
437 HWND hwnd
= wndPtr
->hwndSelf
;
440 TRACE_(win
)("%04x\n", wndPtr
->hwndSelf
);
442 /* free child windows */
443 WIN_LockWndPtr(wndPtr
->child
);
444 while ((pWnd
= wndPtr
->child
))
446 wndPtr
->child
= WIN_DestroyWindow( pWnd
);
447 WIN_ReleaseWndPtr(pWnd
);
451 * Clear the update region to make sure no WM_PAINT messages will be
452 * generated for this window while processing the WM_NCDESTROY.
454 if ((wndPtr
->hrgnUpdate
) || (wndPtr
->flags
& WIN_INTERNAL_PAINT
))
456 if (wndPtr
->hrgnUpdate
> 1)
457 DeleteObject( wndPtr
->hrgnUpdate
);
459 QUEUE_DecPaintCount( wndPtr
->hmemTaskQ
);
461 wndPtr
->hrgnUpdate
= 0;
465 * Send the WM_NCDESTROY to the window being destroyed.
467 SendMessageA( wndPtr
->hwndSelf
, WM_NCDESTROY
, 0, 0);
469 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
471 WINPOS_CheckInternalPos( wndPtr
);
472 if( hwnd
== GetCapture()) ReleaseCapture();
474 /* free resources associated with the window */
476 TIMER_RemoveWindowTimers( wndPtr
->hwndSelf
);
477 PROPERTY_RemoveWindowProps( wndPtr
);
479 wndPtr
->dwMagic
= 0; /* Mark it as invalid */
481 /* toss stale messages from the queue */
483 if( wndPtr
->hmemTaskQ
)
485 BOOL bPostQuit
= FALSE
;
486 WPARAM wQuitParam
= 0;
487 MESSAGEQUEUE
* msgQ
= (MESSAGEQUEUE
*) QUEUE_Lock(wndPtr
->hmemTaskQ
);
490 while( (qmsg
= QUEUE_FindMsg(msgQ
, hwnd
, 0, 0)) != 0 )
492 if( qmsg
->msg
.message
== WM_QUIT
)
495 wQuitParam
= qmsg
->msg
.wParam
;
497 QUEUE_RemoveMsg(msgQ
, qmsg
);
502 /* repost WM_QUIT to make sure this app exits its message loop */
503 if( bPostQuit
) PostQuitMessage(wQuitParam
);
504 wndPtr
->hmemTaskQ
= 0;
507 if (!(wndPtr
->dwStyle
& WS_CHILD
))
508 if (wndPtr
->wIDmenu
) DestroyMenu( (HMENU
)wndPtr
->wIDmenu
);
509 if (wndPtr
->hSysMenu
) DestroyMenu( wndPtr
->hSysMenu
);
510 wndPtr
->pDriver
->pDestroyWindow( wndPtr
);
511 DCE_FreeWindowDCE( wndPtr
); /* Always do this to catch orphaned DCs */
512 WINPROC_FreeProc( wndPtr
->winproc
, WIN_PROC_WINDOW
);
513 wndPtr
->class->cWindows
--;
514 wndPtr
->class = NULL
;
516 WIN_UpdateWndPtr(&pWnd
,wndPtr
->next
);
518 wndPtr
->pDriver
->pFinalize(wndPtr
);
523 /***********************************************************************
524 * WIN_ResetQueueWindows
526 * Reset the queue of all the children of a given window.
527 * Return TRUE if something was done.
529 BOOL
WIN_ResetQueueWindows( WND
* wnd
, HQUEUE16 hQueue
, HQUEUE16 hNew
)
533 if (hNew
) /* Set a new queue */
535 for (wnd
= WIN_LockWndPtr(wnd
->child
); (wnd
);WIN_UpdateWndPtr(&wnd
,wnd
->next
))
537 if (wnd
->hmemTaskQ
== hQueue
)
539 wnd
->hmemTaskQ
= hNew
;
544 ret
|= WIN_ResetQueueWindows( wnd
, hQueue
, hNew
);
548 else /* Queue is being destroyed */
552 WND
*tmp
= WIN_LockWndPtr(wnd
->child
);
557 if (tmp
->hmemTaskQ
== hQueue
)
559 DestroyWindow( tmp
->hwndSelf
);
563 tmp2
= WIN_LockWndPtr(tmp
->child
);
564 if (tmp2
&& WIN_ResetQueueWindows(tmp2
,hQueue
,0))
568 WIN_UpdateWndPtr(&tmp
,tmp
->next
);
570 WIN_ReleaseWndPtr(tmp2
);
572 WIN_ReleaseWndPtr(tmp
);
579 /***********************************************************************
580 * WIN_CreateDesktopWindow
582 * Create the desktop window.
584 BOOL
WIN_CreateDesktopWindow(void)
590 TRACE_(win
)("Creating desktop window\n");
593 if (!ICONTITLE_Init() ||
594 !WINPOS_CreateInternalPosAtom() ||
595 !(class = CLASS_FindClassByAtom( DESKTOP_CLASS_ATOM
, 0 )))
598 hwndDesktop
= USER_HEAP_ALLOC( sizeof(WND
)+class->cbWndExtra
);
599 if (!hwndDesktop
) return FALSE
;
600 pWndDesktop
= (WND
*) USER_HEAP_LIN_ADDR( hwndDesktop
);
602 pDesktop
= (DESKTOP
*) pWndDesktop
->wExtra
;
603 pDesktop
->pDriver
= DESKTOP_Driver
;
604 pWndDesktop
->pDriver
= WND_Driver
;
606 pDesktop
->pDriver
->pInitialize(pDesktop
);
607 pWndDesktop
->pDriver
->pInitialize(pWndDesktop
);
609 pWndDesktop
->next
= NULL
;
610 pWndDesktop
->child
= NULL
;
611 pWndDesktop
->parent
= NULL
;
612 pWndDesktop
->owner
= NULL
;
613 pWndDesktop
->class = class;
614 pWndDesktop
->dwMagic
= WND_MAGIC
;
615 pWndDesktop
->hwndSelf
= hwndDesktop
;
616 pWndDesktop
->hInstance
= 0;
617 pWndDesktop
->rectWindow
.left
= 0;
618 pWndDesktop
->rectWindow
.top
= 0;
619 pWndDesktop
->rectWindow
.right
= GetSystemMetrics(SM_CXSCREEN
);
620 pWndDesktop
->rectWindow
.bottom
= GetSystemMetrics(SM_CYSCREEN
);
621 pWndDesktop
->rectClient
= pWndDesktop
->rectWindow
;
622 pWndDesktop
->text
= NULL
;
623 pWndDesktop
->hmemTaskQ
= GetFastQueue16();
624 pWndDesktop
->hrgnUpdate
= 0;
625 pWndDesktop
->hwndLastActive
= hwndDesktop
;
626 pWndDesktop
->dwStyle
= WS_VISIBLE
| WS_CLIPCHILDREN
|
628 pWndDesktop
->dwExStyle
= 0;
629 pWndDesktop
->dce
= NULL
;
630 pWndDesktop
->pVScroll
= NULL
;
631 pWndDesktop
->pHScroll
= NULL
;
632 pWndDesktop
->pProp
= NULL
;
633 pWndDesktop
->wIDmenu
= 0;
634 pWndDesktop
->helpContext
= 0;
635 pWndDesktop
->flags
= Options
.desktopGeometry
? WIN_NATIVE
: 0;
636 pWndDesktop
->hSysMenu
= 0;
637 pWndDesktop
->userdata
= 0;
638 pWndDesktop
->winproc
= (WNDPROC16
)class->winproc
;
639 pWndDesktop
->irefCount
= 0;
641 /* FIXME: How do we know if it should be Unicode or not */
642 if(!pWndDesktop
->pDriver
->pCreateDesktopWindow(pWndDesktop
, class, FALSE
))
645 SendMessageA( hwndDesktop
, WM_NCCREATE
, 0, 0 );
646 pWndDesktop
->flags
|= WIN_NEEDS_ERASEBKGND
;
651 /***********************************************************************
654 * Implementation of CreateWindowEx().
656 static HWND
WIN_CreateWindowEx( CREATESTRUCTA
*cs
, ATOM classAtom
,
657 BOOL win32
, BOOL unicode
)
663 HWND16 hwnd
, hwndLinkAfter
;
664 POINT maxSize
, maxPos
, minTrack
, maxTrack
;
665 LRESULT (CALLBACK
*localSend32
)(HWND
, UINT
, WPARAM
, LPARAM
);
668 TRACE_(win
)("%s %s %08lx %08lx %d,%d %dx%d %04x %04x %08x %p\n",
669 unicode
? debugres_w((LPWSTR
)cs
->lpszName
) : debugres_a(cs
->lpszName
),
670 unicode
? debugres_w((LPWSTR
)cs
->lpszClass
) : debugres_a(cs
->lpszClass
),
671 cs
->dwExStyle
, cs
->style
, cs
->x
, cs
->y
, cs
->cx
, cs
->cy
,
672 cs
->hwndParent
, cs
->hMenu
, cs
->hInstance
, cs
->lpCreateParams
);
674 /* Find the parent window */
678 /* Make sure parent is valid */
679 if (!IsWindow( cs
->hwndParent
))
681 WARN_(win
)("Bad parent %04x\n", cs
->hwndParent
);
684 } else if ((cs
->style
& WS_CHILD
) && !(cs
->style
& WS_POPUP
)) {
685 WARN_(win
)("No parent for child window\n" );
686 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
689 /* Find the window class */
690 if (!(classPtr
= CLASS_FindClassByAtom( classAtom
, win32
?cs
->hInstance
:GetExePtr(cs
->hInstance
) )))
692 GlobalGetAtomNameA( classAtom
, buffer
, sizeof(buffer
) );
693 WARN_(win
)("Bad class '%s'\n", buffer
);
697 /* Fix the lpszClass field: from existing programs, it seems ok to call a CreateWindowXXX
698 * with an atom as the class name, put some programs expect to have a *REAL* string in
699 * lpszClass when the CREATESTRUCT is sent with WM_CREATE
701 if ( !HIWORD(cs
->lpszClass
) ) {
703 GlobalGetAtomNameW( classAtom
, (LPWSTR
)buffer
, sizeof(buffer
) );
705 GlobalGetAtomNameA( classAtom
, buffer
, sizeof(buffer
) );
707 cs
->lpszClass
= buffer
;
710 /* Fix the coordinates */
712 if (cs
->x
== CW_USEDEFAULT
|| cs
->x
== CW_USEDEFAULT16
)
714 PDB
*pdb
= PROCESS_Current();
716 /* Never believe Microsoft's documentation... CreateWindowEx doc says
717 * that if an overlapped window is created with WS_VISIBLE style bit
718 * set and the x parameter is set to CW_USEDEFAULT, the system ignores
719 * the y parameter. However, disassembling NT implementation (WIN32K.SYS)
722 * 1) not only if checks for CW_USEDEFAULT but also for CW_USEDEFAULT16
723 * 2) it does not ignore the y parameter as the docs claim; instead, it
724 * uses it as second parameter to ShowWindow() unless y is either
725 * CW_USEDEFAULT or CW_USEDEFAULT16.
727 * The fact that we didn't do 2) caused bogus windows pop up when wine
728 * was running apps that were using this obscure feature. Example -
729 * calc.exe that comes with Win98 (only Win98, it's different from
730 * the one that comes with Win95 and NT)
732 if (cs
->y
!= CW_USEDEFAULT
&& cs
->y
!= CW_USEDEFAULT16
) sw
= cs
->y
;
734 /* We have saved cs->y, now we can trash it */
735 if ( !(cs
->style
& (WS_CHILD
| WS_POPUP
))
736 && (pdb
->env_db
->startup_info
->dwFlags
& STARTF_USEPOSITION
) )
738 cs
->x
= pdb
->env_db
->startup_info
->dwX
;
739 cs
->y
= pdb
->env_db
->startup_info
->dwY
;
747 if (cs
->cx
== CW_USEDEFAULT
|| cs
->cx
== CW_USEDEFAULT16
)
749 PDB
*pdb
= PROCESS_Current();
750 if ( !(cs
->style
& (WS_CHILD
| WS_POPUP
))
751 && (pdb
->env_db
->startup_info
->dwFlags
& STARTF_USESIZE
) )
753 cs
->cx
= pdb
->env_db
->startup_info
->dwXSize
;
754 cs
->cy
= pdb
->env_db
->startup_info
->dwYSize
;
758 cs
->cx
= 600; /* FIXME */
763 /* Create the window structure */
765 if (!(hwnd
= USER_HEAP_ALLOC( sizeof(*wndPtr
) + classPtr
->cbWndExtra
766 - sizeof(wndPtr
->wExtra
) )))
768 TRACE_(win
)("out of memory\n" );
772 /* Fill the window structure */
774 wndPtr
= WIN_LockWndPtr((WND
*) USER_HEAP_LIN_ADDR( hwnd
));
776 wndPtr
->child
= NULL
;
778 if ((cs
->style
& WS_CHILD
) && cs
->hwndParent
)
780 wndPtr
->parent
= WIN_FindWndPtr( cs
->hwndParent
);
781 wndPtr
->owner
= NULL
;
782 WIN_ReleaseWndPtr(wndPtr
->parent
);
786 wndPtr
->parent
= pWndDesktop
;
787 if (!cs
->hwndParent
|| (cs
->hwndParent
== pWndDesktop
->hwndSelf
))
788 wndPtr
->owner
= NULL
;
791 WND
*tmpWnd
= WIN_FindWndPtr(cs
->hwndParent
);
792 wndPtr
->owner
= WIN_GetTopParentPtr(tmpWnd
);
793 WIN_ReleaseWndPtr(wndPtr
->owner
);
794 WIN_ReleaseWndPtr(tmpWnd
);
799 wndPtr
->pDriver
= wndPtr
->parent
->pDriver
;
800 wndPtr
->pDriver
->pInitialize(wndPtr
);
802 wndPtr
->class = classPtr
;
803 wndPtr
->winproc
= classPtr
->winproc
;
804 wndPtr
->dwMagic
= WND_MAGIC
;
805 wndPtr
->hwndSelf
= hwnd
;
806 wndPtr
->hInstance
= cs
->hInstance
;
808 wndPtr
->hmemTaskQ
= GetFastQueue16();
809 wndPtr
->hrgnUpdate
= 0;
810 wndPtr
->hwndLastActive
= hwnd
;
811 wndPtr
->dwStyle
= cs
->style
& ~WS_VISIBLE
;
812 wndPtr
->dwExStyle
= cs
->dwExStyle
;
814 wndPtr
->helpContext
= 0;
815 wndPtr
->flags
= win32
? WIN_ISWIN32
: 0;
816 wndPtr
->pVScroll
= NULL
;
817 wndPtr
->pHScroll
= NULL
;
818 wndPtr
->pProp
= NULL
;
819 wndPtr
->userdata
= 0;
820 wndPtr
->hSysMenu
= (wndPtr
->dwStyle
& WS_SYSMENU
)
821 ? MENU_GetSysMenu( hwnd
, 0 ) : 0;
822 wndPtr
->irefCount
= 1;
824 if (classPtr
->cbWndExtra
) memset( wndPtr
->wExtra
, 0, classPtr
->cbWndExtra
);
826 /* Call the WH_CBT hook */
828 hwndLinkAfter
= ((cs
->style
& (WS_CHILD
|WS_MAXIMIZE
)) == WS_CHILD
)
829 ? HWND_BOTTOM
: HWND_TOP
;
831 if (HOOK_IsHooked( WH_CBT
))
837 cbtc
.hwndInsertAfter
= hwndLinkAfter
;
838 ret
= unicode
? HOOK_CallHooksW(WH_CBT
, HCBT_CREATEWND
, hwnd
, (LPARAM
)&cbtc
)
839 : HOOK_CallHooksA(WH_CBT
, HCBT_CREATEWND
, hwnd
, (LPARAM
)&cbtc
);
842 TRACE_(win
)("CBT-hook returned 0\n");
843 wndPtr
->pDriver
->pFinalize(wndPtr
);
844 USER_HEAP_FREE( hwnd
);
850 /* Increment class window counter */
852 classPtr
->cWindows
++;
854 /* Correct the window style */
856 if (!(cs
->style
& WS_CHILD
))
858 wndPtr
->dwStyle
|= WS_CLIPSIBLINGS
;
859 if (!(cs
->style
& WS_POPUP
))
861 wndPtr
->dwStyle
|= WS_CAPTION
;
862 wndPtr
->flags
|= WIN_NEED_SIZE
;
865 if (cs
->dwExStyle
& WS_EX_DLGMODALFRAME
) wndPtr
->dwStyle
&= ~WS_THICKFRAME
;
867 /* Get class or window DC if needed */
869 if (classPtr
->style
& CS_OWNDC
) wndPtr
->dce
= DCE_AllocDCE(hwnd
,DCE_WINDOW_DC
);
870 else if (classPtr
->style
& CS_CLASSDC
) wndPtr
->dce
= classPtr
->dce
;
871 else wndPtr
->dce
= NULL
;
873 /* Send the WM_GETMINMAXINFO message and fix the size if needed */
875 if ((cs
->style
& WS_THICKFRAME
) || !(cs
->style
& (WS_POPUP
| WS_CHILD
)))
877 WINPOS_GetMinMaxInfo( wndPtr
, &maxSize
, &maxPos
, &minTrack
, &maxTrack
);
878 if (maxSize
.x
< cs
->cx
) cs
->cx
= maxSize
.x
;
879 if (maxSize
.y
< cs
->cy
) cs
->cy
= maxSize
.y
;
880 if (cs
->cx
< minTrack
.x
) cs
->cx
= minTrack
.x
;
881 if (cs
->cy
< minTrack
.y
) cs
->cy
= minTrack
.y
;
884 if(cs
->style
& WS_CHILD
)
886 if(cs
->cx
< 0) cs
->cx
= 0;
887 if(cs
->cy
< 0) cs
->cy
= 0;
891 if (cs
->cx
<= 0) cs
->cx
= 1;
892 if (cs
->cy
<= 0) cs
->cy
= 1;
895 wndPtr
->rectWindow
.left
= cs
->x
;
896 wndPtr
->rectWindow
.top
= cs
->y
;
897 wndPtr
->rectWindow
.right
= cs
->x
+ cs
->cx
;
898 wndPtr
->rectWindow
.bottom
= cs
->y
+ cs
->cy
;
899 wndPtr
->rectClient
= wndPtr
->rectWindow
;
901 if(!wndPtr
->pDriver
->pCreateWindow(wndPtr
, classPtr
, cs
, unicode
))
907 /* Set the window menu */
909 if ((wndPtr
->dwStyle
& (WS_CAPTION
| WS_CHILD
)) == WS_CAPTION
)
911 if (cs
->hMenu
) SetMenu(hwnd
, cs
->hMenu
);
914 #if 0 /* FIXME: should check if classPtr->menuNameW can be used as is */
915 if (classPtr
->menuNameA
)
916 cs
->hMenu
= HIWORD(classPtr
->menuNameA
) ?
917 LoadMenu(cs
->hInstance
,SEGPTR_GET(classPtr
->menuNameA
)):
918 LoadMenu(cs
->hInstance
,(SEGPTR
)classPtr
->menuNameA
);
920 SEGPTR menuName
= (SEGPTR
)GetClassLong16( hwnd
, GCL_MENUNAME
);
923 if (HIWORD(cs
->hInstance
))
924 cs
->hMenu
= LoadMenuA(cs
->hInstance
,PTR_SEG_TO_LIN(menuName
));
926 cs
->hMenu
= LoadMenu16(cs
->hInstance
,menuName
);
928 if (cs
->hMenu
) SetMenu( hwnd
, cs
->hMenu
);
933 else wndPtr
->wIDmenu
= (UINT
)cs
->hMenu
;
935 /* Send the WM_CREATE message
936 * Perhaps we shouldn't allow width/height changes as well.
937 * See p327 in "Internals".
940 maxPos
.x
= wndPtr
->rectWindow
.left
; maxPos
.y
= wndPtr
->rectWindow
.top
;
942 localSend32
= unicode
? SendMessageW
: SendMessageA
;
943 if( (*localSend32
)( hwnd
, WM_NCCREATE
, 0, (LPARAM
)cs
) )
945 /* Insert the window in the linked list */
947 WIN_LinkWindow( hwnd
, hwndLinkAfter
);
949 WINPOS_SendNCCalcSize( hwnd
, FALSE
, &wndPtr
->rectWindow
,
950 NULL
, NULL
, 0, &wndPtr
->rectClient
);
951 OffsetRect(&wndPtr
->rectWindow
, maxPos
.x
- wndPtr
->rectWindow
.left
,
952 maxPos
.y
- wndPtr
->rectWindow
.top
);
953 if( ((*localSend32
)( hwnd
, WM_CREATE
, 0, (LPARAM
)cs
)) != -1 )
955 /* Send the size messages */
957 if (!(wndPtr
->flags
& WIN_NEED_SIZE
))
960 if (((wndPtr
->rectClient
.right
-wndPtr
->rectClient
.left
) <0)
961 ||((wndPtr
->rectClient
.bottom
-wndPtr
->rectClient
.top
)<0))
962 WARN_(win
)("sending bogus WM_SIZE message 0x%08lx\n",
963 MAKELONG(wndPtr
->rectClient
.right
-wndPtr
->rectClient
.left
,
964 wndPtr
->rectClient
.bottom
-wndPtr
->rectClient
.top
));
965 SendMessageA( hwnd
, WM_SIZE
, SIZE_RESTORED
,
966 MAKELONG(wndPtr
->rectClient
.right
-wndPtr
->rectClient
.left
,
967 wndPtr
->rectClient
.bottom
-wndPtr
->rectClient
.top
));
968 SendMessageA( hwnd
, WM_MOVE
, 0,
969 MAKELONG( wndPtr
->rectClient
.left
,
970 wndPtr
->rectClient
.top
) );
973 /* Show the window, maximizing or minimizing if needed */
975 if (wndPtr
->dwStyle
& (WS_MINIMIZE
| WS_MAXIMIZE
))
978 UINT16 swFlag
= (wndPtr
->dwStyle
& WS_MINIMIZE
) ? SW_MINIMIZE
: SW_MAXIMIZE
;
979 wndPtr
->dwStyle
&= ~(WS_MAXIMIZE
| WS_MINIMIZE
);
980 WINPOS_MinMaximize( wndPtr
, swFlag
, &newPos
);
981 swFlag
= ((wndPtr
->dwStyle
& WS_CHILD
) || GetActiveWindow())
982 ? SWP_NOACTIVATE
| SWP_NOZORDER
| SWP_FRAMECHANGED
983 : SWP_NOZORDER
| SWP_FRAMECHANGED
;
984 SetWindowPos( hwnd
, 0, newPos
.left
, newPos
.top
,
985 newPos
.right
, newPos
.bottom
, swFlag
);
988 if( wndPtr
->dwStyle
& WS_CHILD
&& !(wndPtr
->dwExStyle
& WS_EX_NOPARENTNOTIFY
) )
990 /* Notify the parent window only */
992 SendMessageA( wndPtr
->parent
->hwndSelf
, WM_PARENTNOTIFY
,
993 MAKEWPARAM(WM_CREATE
, wndPtr
->wIDmenu
), (LPARAM
)hwnd
);
994 if( !IsWindow(hwnd
) )
1001 if (cs
->style
& WS_VISIBLE
) ShowWindow( hwnd
, sw
);
1003 /* Call WH_SHELL hook */
1005 if (!(wndPtr
->dwStyle
& WS_CHILD
) && !wndPtr
->owner
)
1006 HOOK_CallHooks16( WH_SHELL
, HSHELL_WINDOWCREATED
, hwnd
, 0 );
1008 TRACE_(win
)("created window %04x\n", hwnd
);
1012 WIN_UnlinkWindow( hwnd
);
1015 /* Abort window creation */
1017 WARN_(win
)("aborted by WM_xxCREATE!\n");
1018 WIN_ReleaseWndPtr(WIN_DestroyWindow( wndPtr
));
1021 WIN_ReleaseWndPtr(wndPtr
);
1027 /***********************************************************************
1028 * CreateWindow16 (USER.41)
1030 HWND16 WINAPI
CreateWindow16( LPCSTR className
, LPCSTR windowName
,
1031 DWORD style
, INT16 x
, INT16 y
, INT16 width
,
1032 INT16 height
, HWND16 parent
, HMENU16 menu
,
1033 HINSTANCE16 instance
, LPVOID data
)
1035 return CreateWindowEx16( 0, className
, windowName
, style
,
1036 x
, y
, width
, height
, parent
, menu
, instance
, data
);
1040 /***********************************************************************
1041 * CreateWindowEx16 (USER.452)
1043 HWND16 WINAPI
CreateWindowEx16( DWORD exStyle
, LPCSTR className
,
1044 LPCSTR windowName
, DWORD style
, INT16 x
,
1045 INT16 y
, INT16 width
, INT16 height
,
1046 HWND16 parent
, HMENU16 menu
,
1047 HINSTANCE16 instance
, LPVOID data
)
1052 /* Find the class atom */
1054 if (!(classAtom
= GlobalFindAtomA( className
)))
1056 fprintf( stderr
, "CreateWindowEx16: bad class name " );
1057 if (!HIWORD(className
)) fprintf( stderr
, "%04x\n", LOWORD(className
) );
1058 else fprintf( stderr
, "'%s'\n", className
);
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
;
1079 return WIN_CreateWindowEx( &cs
, classAtom
, FALSE
, FALSE
);
1083 /***********************************************************************
1084 * CreateWindowEx32A (USER32.83)
1086 HWND WINAPI
CreateWindowExA( DWORD exStyle
, LPCSTR className
,
1087 LPCSTR windowName
, DWORD style
, INT x
,
1088 INT y
, INT width
, INT height
,
1089 HWND parent
, HMENU menu
,
1090 HINSTANCE instance
, LPVOID data
)
1095 if(exStyle
& WS_EX_MDICHILD
)
1096 return MDI_CreateMDIWindowA(className
, windowName
, style
, x
, y
, width
, height
, parent
, instance
, (LPARAM
)data
);
1097 /* Find the class atom */
1099 if (!(classAtom
= GlobalFindAtomA( className
)))
1101 fprintf( stderr
, "CreateWindowEx32A: bad class name " );
1102 if (!HIWORD(className
)) fprintf( stderr
, "%04x\n", LOWORD(className
) );
1103 else fprintf( stderr
, "'%s'\n", className
);
1107 /* Create the window */
1109 cs
.lpCreateParams
= data
;
1110 cs
.hInstance
= instance
;
1112 cs
.hwndParent
= parent
;
1118 cs
.lpszName
= windowName
;
1119 cs
.lpszClass
= className
;
1120 cs
.dwExStyle
= exStyle
;
1121 return WIN_CreateWindowEx( &cs
, classAtom
, TRUE
, FALSE
);
1125 /***********************************************************************
1126 * CreateWindowEx32W (USER32.84)
1128 HWND WINAPI
CreateWindowExW( DWORD exStyle
, LPCWSTR className
,
1129 LPCWSTR windowName
, DWORD style
, INT x
,
1130 INT y
, INT width
, INT height
,
1131 HWND parent
, HMENU menu
,
1132 HINSTANCE instance
, LPVOID data
)
1137 if(exStyle
& WS_EX_MDICHILD
)
1138 return MDI_CreateMDIWindowW(className
, windowName
, style
, x
, y
, width
, height
, parent
, instance
, (LPARAM
)data
);
1140 /* Find the class atom */
1142 if (!(classAtom
= GlobalFindAtomW( className
)))
1144 if (HIWORD(className
))
1146 LPSTR cn
= HEAP_strdupWtoA( GetProcessHeap(), 0, className
);
1147 WARN_(win
)("Bad class name '%s'\n",cn
);
1148 HeapFree( GetProcessHeap(), 0, cn
);
1151 WARN_(win
)("Bad class name %p\n", className
);
1155 /* Create the window */
1157 cs
.lpCreateParams
= data
;
1158 cs
.hInstance
= instance
;
1160 cs
.hwndParent
= parent
;
1166 cs
.lpszName
= windowName
;
1167 cs
.lpszClass
= className
;
1168 cs
.dwExStyle
= exStyle
;
1169 /* Note: we rely on the fact that CREATESTRUCT32A and */
1170 /* CREATESTRUCT32W have the same layout. */
1171 return WIN_CreateWindowEx( (CREATESTRUCTA
*)&cs
, classAtom
, TRUE
, TRUE
);
1175 /***********************************************************************
1178 static void WIN_CheckFocus( WND
* pWnd
)
1180 if( GetFocus16() == pWnd
->hwndSelf
)
1181 SetFocus16( (pWnd
->dwStyle
& WS_CHILD
) ? pWnd
->parent
->hwndSelf
: 0 );
1184 /***********************************************************************
1185 * WIN_SendDestroyMsg
1187 static void WIN_SendDestroyMsg( WND
* pWnd
)
1189 WIN_CheckFocus(pWnd
);
1191 if( CARET_GetHwnd() == pWnd
->hwndSelf
) DestroyCaret();
1192 CLIPBOARD_Driver
->pResetOwner( pWnd
, TRUE
);
1195 * Send the WM_DESTROY to the window.
1197 SendMessageA( pWnd
->hwndSelf
, WM_DESTROY
, 0, 0);
1200 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1201 * make sure that the window still exists when we come back.
1203 if (IsWindow(pWnd
->hwndSelf
))
1205 HWND
* pWndArray
= NULL
;
1210 * Now, if the window has kids, we have to send WM_DESTROY messages
1211 * recursively to it's kids. It seems that those calls can also
1212 * trigger re-entrant calls to DestroyWindow for the kids so we must
1213 * protect against corruption of the list of siblings. We first build
1214 * a list of HWNDs representing all the kids.
1216 pChild
= WIN_LockWndPtr(pWnd
->child
);
1220 WIN_UpdateWndPtr(&pChild
,pChild
->next
);
1224 * If there are no kids, we're done.
1229 pWndArray
= HeapAlloc(GetProcessHeap(), 0, nKidCount
*sizeof(HWND
));
1234 if (pWndArray
==NULL
)
1238 * Now, enumerate all the kids in a list, since we wait to make the SendMessage
1239 * call, our linked list of siblings should be safe.
1242 pChild
= WIN_LockWndPtr(pWnd
->child
);
1245 pWndArray
[nKidCount
] = pChild
->hwndSelf
;
1247 WIN_UpdateWndPtr(&pChild
,pChild
->next
);
1251 * Now that we have a list, go through that list again and send the destroy
1252 * message to those windows. We are using the HWND to retrieve the
1253 * WND pointer so we are effectively checking that all the kid windows are
1254 * still valid before sending the message.
1258 pChild
= WIN_FindWndPtr(pWndArray
[--nKidCount
]);
1262 WIN_SendDestroyMsg( pChild
);
1263 WIN_ReleaseWndPtr(pChild
);
1270 HeapFree(GetProcessHeap(), 0, pWndArray
);
1271 WIN_CheckFocus(pWnd
);
1274 WARN_(win
)("\tdestroyed itself while in WM_DESTROY!\n");
1278 /***********************************************************************
1279 * DestroyWindow16 (USER.53)
1281 BOOL16 WINAPI
DestroyWindow16( HWND16 hwnd
)
1283 return DestroyWindow(hwnd
);
1287 /***********************************************************************
1288 * DestroyWindow32 (USER32.135)
1290 BOOL WINAPI
DestroyWindow( HWND hwnd
)
1295 TRACE_(win
)("(%04x)\n", hwnd
);
1297 /* Initialization */
1299 if (!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
1300 if (wndPtr
== pWndDesktop
)
1302 WIN_ReleaseWndPtr(wndPtr
);
1303 return FALSE
; /* Can't destroy desktop */
1308 if( HOOK_CallHooks16( WH_CBT
, HCBT_DESTROYWND
, hwnd
, 0L) )
1314 if (!(wndPtr
->dwStyle
& WS_CHILD
) && !wndPtr
->owner
)
1316 HOOK_CallHooks16( WH_SHELL
, HSHELL_WINDOWDESTROYED
, hwnd
, 0L );
1317 /* FIXME: clean up palette - see "Internals" p.352 */
1320 if( !QUEUE_IsExitingQueue(wndPtr
->hmemTaskQ
) )
1321 if( wndPtr
->dwStyle
& WS_CHILD
&& !(wndPtr
->dwExStyle
& WS_EX_NOPARENTNOTIFY
) )
1323 /* Notify the parent window only */
1324 SendMessageA( wndPtr
->parent
->hwndSelf
, WM_PARENTNOTIFY
,
1325 MAKEWPARAM(WM_DESTROY
, wndPtr
->wIDmenu
), (LPARAM
)hwnd
);
1326 if( !IsWindow(hwnd
) )
1333 CLIPBOARD_Driver
->pResetOwner( wndPtr
, FALSE
); /* before the window is unmapped */
1335 /* Hide the window */
1337 if (wndPtr
->dwStyle
& WS_VISIBLE
)
1339 SetWindowPos( hwnd
, 0, 0, 0, 0, 0, SWP_HIDEWINDOW
|
1340 SWP_NOACTIVATE
|SWP_NOZORDER
|SWP_NOMOVE
|SWP_NOSIZE
|
1341 ((QUEUE_IsExitingQueue(wndPtr
->hmemTaskQ
))?SWP_DEFERERASE
:0) );
1342 if (!IsWindow(hwnd
))
1349 /* Recursively destroy owned windows */
1351 if( !(wndPtr
->dwStyle
& WS_CHILD
) )
1353 /* make sure top menu popup doesn't get destroyed */
1354 MENU_PatchResidentPopup( (HQUEUE16
)0xFFFF, wndPtr
);
1358 WND
*siblingPtr
= WIN_LockWndPtr(wndPtr
->parent
->child
); /* First sibling */
1361 if (siblingPtr
->owner
== wndPtr
)
1363 if (siblingPtr
->hmemTaskQ
== wndPtr
->hmemTaskQ
)
1366 siblingPtr
->owner
= NULL
;
1368 WIN_UpdateWndPtr(&siblingPtr
,siblingPtr
->next
);
1372 DestroyWindow( siblingPtr
->hwndSelf
);
1373 WIN_ReleaseWndPtr(siblingPtr
);
1378 if( !Options
.managed
|| EVENT_CheckFocus() )
1379 WINPOS_ActivateOtherWindow(wndPtr
);
1381 if( wndPtr
->owner
&&
1382 wndPtr
->owner
->hwndLastActive
== wndPtr
->hwndSelf
)
1383 wndPtr
->owner
->hwndLastActive
= wndPtr
->owner
->hwndSelf
;
1386 /* Send destroy messages */
1388 WIN_SendDestroyMsg( wndPtr
);
1389 if (!IsWindow(hwnd
))
1395 /* Unlink now so we won't bother with the children later on */
1397 if( wndPtr
->parent
) WIN_UnlinkWindow(hwnd
);
1399 /* Destroy the window storage */
1401 WIN_ReleaseWndPtr(WIN_DestroyWindow( wndPtr
));
1404 WIN_ReleaseWndPtr(wndPtr
);
1409 /***********************************************************************
1410 * CloseWindow16 (USER.43)
1412 BOOL16 WINAPI
CloseWindow16( HWND16 hwnd
)
1414 return CloseWindow( hwnd
);
1418 /***********************************************************************
1419 * CloseWindow32 (USER32.56)
1421 BOOL WINAPI
CloseWindow( HWND hwnd
)
1423 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1426 if (!wndPtr
|| (wndPtr
->dwStyle
& WS_CHILD
))
1431 ShowWindow( hwnd
, SW_MINIMIZE
);
1434 WIN_ReleaseWndPtr(wndPtr
);
1440 /***********************************************************************
1441 * OpenIcon16 (USER.44)
1443 BOOL16 WINAPI
OpenIcon16( HWND16 hwnd
)
1445 return OpenIcon( hwnd
);
1449 /***********************************************************************
1450 * OpenIcon32 (USER32.410)
1452 BOOL WINAPI
OpenIcon( HWND hwnd
)
1454 if (!IsIconic( hwnd
)) return FALSE
;
1455 ShowWindow( hwnd
, SW_SHOWNORMAL
);
1460 /***********************************************************************
1463 * Implementation of FindWindow() and FindWindowEx().
1465 static HWND
WIN_FindWindow( HWND parent
, HWND child
, ATOM className
,
1470 CLASS
*pClass
= NULL
;
1474 if (!(pWnd
= WIN_FindWndPtr( child
))) return 0;
1477 if (!pWnd
->parent
|| (pWnd
->parent
->hwndSelf
!= parent
))
1483 else if (pWnd
->parent
!= pWndDesktop
)
1488 WIN_UpdateWndPtr(&pWnd
,pWnd
->next
);
1492 if (!(pWnd
= parent
? WIN_FindWndPtr(parent
) : WIN_LockWndPtr(pWndDesktop
)))
1497 WIN_UpdateWndPtr(&pWnd
,pWnd
->child
);
1505 /* For a child window, all siblings will have the same hInstance, */
1506 /* so we can look for the class once and for all. */
1508 if (className
&& (pWnd
->dwStyle
& WS_CHILD
))
1510 if (!(pClass
= CLASS_FindClassByAtom( className
, pWnd
->hInstance
)))
1518 for ( ; pWnd
; WIN_UpdateWndPtr(&pWnd
,pWnd
->next
))
1520 if (className
&& !(pWnd
->dwStyle
& WS_CHILD
))
1522 if (!((pClass
= CLASS_FindClassByAtom( className
, pWnd
->hInstance
))
1523 ||(pClass
= CLASS_FindClassByAtom( className
, GetExePtr(pWnd
->hInstance
))))
1525 continue; /* Skip this window */
1528 if (pClass
&& (pWnd
->class != pClass
))
1529 continue; /* Not the right class */
1531 /* Now check the title */
1535 retvalue
= pWnd
->hwndSelf
;
1538 if (pWnd
->text
&& !strcmp( pWnd
->text
, title
))
1540 retvalue
= pWnd
->hwndSelf
;
1546 WIN_ReleaseWndPtr(pWnd
);
1552 /***********************************************************************
1553 * FindWindow16 (USER.50)
1555 HWND16 WINAPI
FindWindow16( SEGPTR className
, LPCSTR title
)
1557 return FindWindowEx16( 0, 0, className
, title
);
1561 /***********************************************************************
1562 * FindWindowEx16 (USER.427)
1564 HWND16 WINAPI
FindWindowEx16( HWND16 parent
, HWND16 child
,
1565 SEGPTR className
, LPCSTR title
)
1569 TRACE_(win
)("%04x %04x '%s' '%s'\n", parent
,
1570 child
, HIWORD(className
)?(char *)PTR_SEG_TO_LIN(className
):"",
1571 title
? title
: "");
1575 /* If the atom doesn't exist, then no class */
1576 /* with this name exists either. */
1577 if (!(atom
= GlobalFindAtom16( className
))) return 0;
1579 return WIN_FindWindow( parent
, child
, atom
, title
);
1583 /***********************************************************************
1584 * FindWindow32A (USER32.198)
1586 HWND WINAPI
FindWindowA( LPCSTR className
, LPCSTR title
)
1588 HWND ret
= FindWindowExA( 0, 0, className
, title
);
1589 if (!ret
) SetLastError (ERROR_CANNOT_FIND_WND_CLASS
);
1594 /***********************************************************************
1595 * FindWindowEx32A (USER32.199)
1597 HWND WINAPI
FindWindowExA( HWND parent
, HWND child
,
1598 LPCSTR className
, LPCSTR title
)
1604 /* If the atom doesn't exist, then no class */
1605 /* with this name exists either. */
1606 if (!(atom
= GlobalFindAtomA( className
)))
1608 SetLastError (ERROR_CANNOT_FIND_WND_CLASS
);
1612 return WIN_FindWindow( parent
, child
, atom
, title
);
1616 /***********************************************************************
1617 * FindWindowEx32W (USER32.200)
1619 HWND WINAPI
FindWindowExW( HWND parent
, HWND child
,
1620 LPCWSTR className
, LPCWSTR title
)
1628 /* If the atom doesn't exist, then no class */
1629 /* with this name exists either. */
1630 if (!(atom
= GlobalFindAtomW( className
)))
1632 SetLastError (ERROR_CANNOT_FIND_WND_CLASS
);
1636 buffer
= HEAP_strdupWtoA( GetProcessHeap(), 0, title
);
1637 hwnd
= WIN_FindWindow( parent
, child
, atom
, buffer
);
1638 HeapFree( GetProcessHeap(), 0, buffer
);
1643 /***********************************************************************
1644 * FindWindow32W (USER32.201)
1646 HWND WINAPI
FindWindowW( LPCWSTR className
, LPCWSTR title
)
1648 return FindWindowExW( 0, 0, className
, title
);
1652 /**********************************************************************
1654 * returns a locked pointer
1656 WND
*WIN_GetDesktop(void)
1658 return WIN_LockWndPtr(pWndDesktop
);
1660 /**********************************************************************
1661 * WIN_ReleaseDesktop
1662 * unlock the desktop pointer
1664 void WIN_ReleaseDesktop(void)
1666 WIN_ReleaseWndPtr(pWndDesktop
);
1670 /**********************************************************************
1671 * GetDesktopWindow16 (USER.286)
1673 HWND16 WINAPI
GetDesktopWindow16(void)
1675 return (HWND16
)pWndDesktop
->hwndSelf
;
1679 /**********************************************************************
1680 * GetDesktopWindow32 (USER32.232)
1682 HWND WINAPI
GetDesktopWindow(void)
1684 return pWndDesktop
->hwndSelf
;
1688 /**********************************************************************
1689 * GetDesktopHwnd (USER.278)
1691 * Exactly the same thing as GetDesktopWindow(), but not documented.
1692 * Don't ask me why...
1694 HWND16 WINAPI
GetDesktopHwnd16(void)
1696 return (HWND16
)pWndDesktop
->hwndSelf
;
1700 /*******************************************************************
1701 * EnableWindow16 (USER.34)
1703 BOOL16 WINAPI
EnableWindow16( HWND16 hwnd
, BOOL16 enable
)
1705 return EnableWindow( hwnd
, enable
);
1709 /*******************************************************************
1710 * EnableWindow32 (USER32.172)
1712 BOOL WINAPI
EnableWindow( HWND hwnd
, BOOL enable
)
1717 TRACE_(win
)("EnableWindow32: ( %x, %d )\n", hwnd
, enable
);
1719 if (!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
1720 if (enable
&& (wndPtr
->dwStyle
& WS_DISABLED
))
1723 wndPtr
->dwStyle
&= ~WS_DISABLED
;
1725 if( wndPtr
->flags
& WIN_NATIVE
)
1726 wndPtr
->pDriver
->pSetHostAttr( wndPtr
, HAK_ACCEPTFOCUS
, TRUE
);
1728 SendMessageA( hwnd
, WM_ENABLE
, TRUE
, 0 );
1732 else if (!enable
&& !(wndPtr
->dwStyle
& WS_DISABLED
))
1734 SendMessageA( wndPtr
->hwndSelf
, WM_CANCELMODE
, 0, 0);
1736 /* Disable window */
1737 wndPtr
->dwStyle
|= WS_DISABLED
;
1739 if( wndPtr
->flags
& WIN_NATIVE
)
1740 wndPtr
->pDriver
->pSetHostAttr( wndPtr
, HAK_ACCEPTFOCUS
, FALSE
);
1742 if (hwnd
== GetFocus())
1744 SetFocus( 0 ); /* A disabled window can't have the focus */
1746 if (hwnd
== GetCapture())
1748 ReleaseCapture(); /* A disabled window can't capture the mouse */
1750 SendMessageA( hwnd
, WM_ENABLE
, FALSE
, 0 );
1754 retvalue
= ((wndPtr
->dwStyle
& WS_DISABLED
) != 0);
1756 WIN_ReleaseWndPtr(wndPtr
);
1761 /***********************************************************************
1762 * IsWindowEnabled16 (USER.35)
1764 BOOL16 WINAPI
IsWindowEnabled16(HWND16 hWnd
)
1766 return IsWindowEnabled(hWnd
);
1770 /***********************************************************************
1771 * IsWindowEnabled32 (USER32.349)
1773 BOOL WINAPI
IsWindowEnabled(HWND hWnd
)
1778 if (!(wndPtr
= WIN_FindWndPtr(hWnd
))) return FALSE
;
1779 retvalue
= !(wndPtr
->dwStyle
& WS_DISABLED
);
1780 WIN_ReleaseWndPtr(wndPtr
);
1786 /***********************************************************************
1787 * IsWindowUnicode (USER32.350)
1789 BOOL WINAPI
IsWindowUnicode( HWND hwnd
)
1794 if (!(wndPtr
= WIN_FindWndPtr(hwnd
))) return FALSE
;
1795 retvalue
= (WINPROC_GetProcType( wndPtr
->winproc
) == WIN_PROC_32W
);
1796 WIN_ReleaseWndPtr(wndPtr
);
1801 /**********************************************************************
1802 * GetWindowWord16 (USER.133)
1804 WORD WINAPI
GetWindowWord16( HWND16 hwnd
, INT16 offset
)
1806 return GetWindowWord( hwnd
, offset
);
1810 /**********************************************************************
1811 * GetWindowWord32 (USER32.314)
1813 WORD WINAPI
GetWindowWord( HWND hwnd
, INT offset
)
1816 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1817 if (!wndPtr
) return 0;
1820 if (offset
+ sizeof(WORD
) > wndPtr
->class->cbWndExtra
)
1822 WARN_(win
)("Invalid offset %d\n", offset
);
1826 retvalue
= *(WORD
*)(((char *)wndPtr
->wExtra
) + offset
);
1832 if (HIWORD(wndPtr
->wIDmenu
))
1833 WARN_(win
)("GWW_ID: discards high bits of 0x%08x!\n",
1835 retvalue
= (WORD
)wndPtr
->wIDmenu
;
1837 case GWW_HWNDPARENT
:
1838 retvalue
= GetParent(hwnd
);
1841 if (HIWORD(wndPtr
->hInstance
))
1842 WARN_(win
)("GWW_HINSTANCE: discards high bits of 0x%08x!\n",
1844 retvalue
= (WORD
)wndPtr
->hInstance
;
1847 WARN_(win
)("Invalid offset %d\n", offset
);
1852 WIN_ReleaseWndPtr(wndPtr
);
1856 /**********************************************************************
1857 * SetWindowWord16 (USER.134)
1859 WORD WINAPI
SetWindowWord16( HWND16 hwnd
, INT16 offset
, WORD newval
)
1861 return SetWindowWord( hwnd
, offset
, newval
);
1865 /**********************************************************************
1866 * SetWindowWord32 (USER32.524)
1868 WORD WINAPI
SetWindowWord( HWND hwnd
, INT offset
, WORD newval
)
1871 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1872 if (!wndPtr
) return 0;
1875 if (offset
+ sizeof(WORD
) > wndPtr
->class->cbWndExtra
)
1877 WARN_(win
)("Invalid offset %d\n", offset
);
1881 ptr
= (WORD
*)(((char *)wndPtr
->wExtra
) + offset
);
1885 case GWW_ID
: ptr
= (WORD
*)&wndPtr
->wIDmenu
; break;
1886 case GWW_HINSTANCE
: ptr
= (WORD
*)&wndPtr
->hInstance
; break;
1887 case GWW_HWNDPARENT
: retval
= SetParent( hwnd
, newval
);
1890 WARN_(win
)("Invalid offset %d\n", offset
);
1897 WIN_ReleaseWndPtr(wndPtr
);
1902 /**********************************************************************
1905 * Helper function for GetWindowLong().
1907 static LONG
WIN_GetWindowLong( HWND hwnd
, INT offset
, WINDOWPROCTYPE type
)
1910 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1911 if (!wndPtr
) return 0;
1914 if (offset
+ sizeof(LONG
) > wndPtr
->class->cbWndExtra
)
1916 WARN_(win
)("Invalid offset %d\n", offset
);
1920 retvalue
= *(LONG
*)(((char *)wndPtr
->wExtra
) + offset
);
1921 /* Special case for dialog window procedure */
1922 if ((offset
== DWL_DLGPROC
) && (wndPtr
->flags
& WIN_ISDIALOG
))
1924 retvalue
= (LONG
)WINPROC_GetProc( (HWINDOWPROC
)retvalue
, type
);
1931 case GWL_USERDATA
: retvalue
= wndPtr
->userdata
;
1933 case GWL_STYLE
: retvalue
= wndPtr
->dwStyle
;
1935 case GWL_EXSTYLE
: retvalue
= wndPtr
->dwExStyle
;
1937 case GWL_ID
: retvalue
= (LONG
)wndPtr
->wIDmenu
;
1939 case GWL_WNDPROC
: retvalue
= (LONG
)WINPROC_GetProc( wndPtr
->winproc
,
1942 case GWL_HWNDPARENT
: retvalue
= GetParent(hwnd
);
1944 case GWL_HINSTANCE
: retvalue
= wndPtr
->hInstance
;
1947 WARN_(win
)("Unknown offset %d\n", offset
);
1951 WIN_ReleaseWndPtr(wndPtr
);
1956 /**********************************************************************
1959 * Helper function for SetWindowLong().
1961 * 0 is the failure code. However, in the case of failure SetLastError
1962 * must be set to distinguish between a 0 return value and a failure.
1964 * FIXME: The error values for SetLastError may not be right. Can
1965 * someone check with the real thing?
1967 static LONG
WIN_SetWindowLong( HWND hwnd
, INT offset
, LONG newval
,
1968 WINDOWPROCTYPE type
)
1971 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
1974 TRACE_(win
)("%x=%p %x %lx %x\n",hwnd
, wndPtr
, offset
, newval
, type
);
1978 /* Is this the right error? */
1979 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
1985 if (offset
+ sizeof(LONG
) > wndPtr
->class->cbWndExtra
)
1987 WARN_(win
)("Invalid offset %d\n", offset
);
1989 /* Is this the right error? */
1990 SetLastError( ERROR_OUTOFMEMORY
);
1995 ptr
= (LONG
*)(((char *)wndPtr
->wExtra
) + offset
);
1996 /* Special case for dialog window procedure */
1997 if ((offset
== DWL_DLGPROC
) && (wndPtr
->flags
& WIN_ISDIALOG
))
1999 retval
= (LONG
)WINPROC_GetProc( (HWINDOWPROC
)*ptr
, type
);
2000 WINPROC_SetProc( (HWINDOWPROC
*)ptr
, (WNDPROC16
)newval
,
2001 type
, WIN_PROC_WINDOW
);
2008 ptr
= (DWORD
*)&wndPtr
->wIDmenu
;
2011 retval
= SetWindowWord( hwnd
, offset
, newval
);
2014 retval
= (LONG
)WINPROC_GetProc( wndPtr
->winproc
, type
);
2015 WINPROC_SetProc( &wndPtr
->winproc
, (WNDPROC16
)newval
,
2016 type
, WIN_PROC_WINDOW
);
2019 style
.styleOld
= wndPtr
->dwStyle
;
2020 newval
&= ~(WS_VISIBLE
| WS_CHILD
); /* Some bits can't be changed this way */
2021 style
.styleNew
= newval
| (style
.styleOld
& (WS_VISIBLE
| WS_CHILD
));
2023 if (wndPtr
->flags
& WIN_ISWIN32
)
2024 SendMessageA(hwnd
,WM_STYLECHANGING
,GWL_STYLE
,(LPARAM
)&style
);
2025 wndPtr
->dwStyle
= style
.styleNew
;
2026 if (wndPtr
->flags
& WIN_ISWIN32
)
2027 SendMessageA(hwnd
,WM_STYLECHANGED
,GWL_STYLE
,(LPARAM
)&style
);
2028 retval
= style
.styleOld
;
2032 ptr
= &wndPtr
->userdata
;
2035 style
.styleOld
= wndPtr
->dwExStyle
;
2036 style
.styleNew
= newval
;
2037 if (wndPtr
->flags
& WIN_ISWIN32
)
2038 SendMessageA(hwnd
,WM_STYLECHANGING
,GWL_EXSTYLE
,(LPARAM
)&style
);
2039 wndPtr
->dwExStyle
= newval
;
2040 if (wndPtr
->flags
& WIN_ISWIN32
)
2041 SendMessageA(hwnd
,WM_STYLECHANGED
,GWL_EXSTYLE
,(LPARAM
)&style
);
2042 retval
= style
.styleOld
;
2046 WARN_(win
)("Invalid offset %d\n", offset
);
2048 /* Don't think this is right error but it should do */
2049 SetLastError( ERROR_OUTOFMEMORY
);
2057 WIN_ReleaseWndPtr(wndPtr
);
2062 /**********************************************************************
2063 * GetWindowLong16 (USER.135)
2065 LONG WINAPI
GetWindowLong16( HWND16 hwnd
, INT16 offset
)
2067 return WIN_GetWindowLong( (HWND
)hwnd
, offset
, WIN_PROC_16
);
2071 /**********************************************************************
2072 * GetWindowLong32A (USER32.305)
2074 LONG WINAPI
GetWindowLongA( HWND hwnd
, INT offset
)
2076 return WIN_GetWindowLong( hwnd
, offset
, WIN_PROC_32A
);
2080 /**********************************************************************
2081 * GetWindowLong32W (USER32.306)
2083 LONG WINAPI
GetWindowLongW( HWND hwnd
, INT offset
)
2085 return WIN_GetWindowLong( hwnd
, offset
, WIN_PROC_32W
);
2089 /**********************************************************************
2090 * SetWindowLong16 (USER.136)
2092 LONG WINAPI
SetWindowLong16( HWND16 hwnd
, INT16 offset
, LONG newval
)
2094 return WIN_SetWindowLong( hwnd
, offset
, newval
, WIN_PROC_16
);
2098 /**********************************************************************
2099 * SetWindowLong32A (USER32.517)
2101 LONG WINAPI
SetWindowLongA( HWND hwnd
, INT offset
, LONG newval
)
2103 return WIN_SetWindowLong( hwnd
, offset
, newval
, WIN_PROC_32A
);
2107 /**********************************************************************
2108 * SetWindowLong32W (USER32.518) Set window attribute
2110 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2111 * value in a window's extra memory.
2113 * The _hwnd_ parameter specifies the window. is the handle to a
2114 * window that has extra memory. The _newval_ parameter contains the
2115 * new attribute or extra memory value. If positive, the _offset_
2116 * parameter is the byte-addressed location in the window's extra
2117 * memory to set. If negative, _offset_ specifies the window
2118 * attribute to set, and should be one of the following values:
2120 * GWL_EXSTYLE The window's extended window style
2122 * GWL_STYLE The window's window style.
2124 * GWL_WNDPROC Pointer to the window's window procedure.
2126 * GWL_HINSTANCE The window's pplication instance handle.
2128 * GWL_ID The window's identifier.
2130 * GWL_USERDATA The window's user-specified data.
2132 * If the window is a dialog box, the _offset_ parameter can be one of
2133 * the following values:
2135 * DWL_DLGPROC The address of the window's dialog box procedure.
2137 * DWL_MSGRESULT The return value of a message
2138 * that the dialog box procedure processed.
2140 * DWL_USER Application specific information.
2144 * If successful, returns the previous value located at _offset_. Otherwise,
2149 * Extra memory for a window class is specified by a nonzero cbWndExtra
2150 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2151 * time of class creation.
2153 * Using GWL_WNDPROC to set a new window procedure effectively creates
2154 * a window subclass. Use CallWindowProc() in the new windows procedure
2155 * to pass messages to the superclass's window procedure.
2157 * The user data is reserved for use by the application which created
2160 * Do not use GWL_STYLE to change the window's WS_DISABLE style;
2161 * instead, call the EnableWindow() function to change the window's
2164 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2165 * SetParent() instead.
2168 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2169 * it sends WM_STYLECHANGING before changing the settings
2170 * and WM_STYLECHANGED afterwards.
2171 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2175 * GWL_STYLE does not dispatch WM_STYLE... messages.
2182 LONG WINAPI
SetWindowLongW(
2183 HWND hwnd
, /* window to alter */
2184 INT offset
, /* offset, in bytes, of location to alter */
2185 LONG newval
/* new value of location */
2187 return WIN_SetWindowLong( hwnd
, offset
, newval
, WIN_PROC_32W
);
2191 /*******************************************************************
2192 * GetWindowText16 (USER.36)
2194 INT16 WINAPI
GetWindowText16( HWND16 hwnd
, SEGPTR lpString
, INT16 nMaxCount
)
2196 return (INT16
)SendMessage16(hwnd
, WM_GETTEXT
, nMaxCount
, (LPARAM
)lpString
);
2200 /*******************************************************************
2201 * GetWindowText32A (USER32.309)
2203 INT WINAPI
GetWindowTextA( HWND hwnd
, LPSTR lpString
, INT nMaxCount
)
2205 return (INT
)SendMessageA( hwnd
, WM_GETTEXT
, nMaxCount
,
2209 /*******************************************************************
2210 * InternalGetWindowText (USER32.326)
2212 INT WINAPI
InternalGetWindowText(HWND hwnd
,LPWSTR lpString
,INT nMaxCount
)
2214 FIXME_(win
)("(0x%08x,%p,0x%x),stub!\n",hwnd
,lpString
,nMaxCount
);
2215 return GetWindowTextW(hwnd
,lpString
,nMaxCount
);
2219 /*******************************************************************
2220 * GetWindowText32W (USER32.312)
2222 INT WINAPI
GetWindowTextW( HWND hwnd
, LPWSTR lpString
, INT nMaxCount
)
2224 return (INT
)SendMessageW( hwnd
, WM_GETTEXT
, nMaxCount
,
2229 /*******************************************************************
2230 * SetWindowText16 (USER.37)
2232 BOOL16 WINAPI
SetWindowText16( HWND16 hwnd
, SEGPTR lpString
)
2234 return (BOOL16
)SendMessage16( hwnd
, WM_SETTEXT
, 0, (LPARAM
)lpString
);
2238 /*******************************************************************
2239 * SetWindowText32A (USER32.521)
2241 BOOL WINAPI
SetWindowTextA( HWND hwnd
, LPCSTR lpString
)
2243 return (BOOL
)SendMessageA( hwnd
, WM_SETTEXT
, 0, (LPARAM
)lpString
);
2247 /*******************************************************************
2248 * SetWindowText32W (USER32.523)
2250 BOOL WINAPI
SetWindowTextW( HWND hwnd
, LPCWSTR lpString
)
2252 return (BOOL
)SendMessageW( hwnd
, WM_SETTEXT
, 0, (LPARAM
)lpString
);
2256 /*******************************************************************
2257 * GetWindowTextLength16 (USER.38)
2259 INT16 WINAPI
GetWindowTextLength16( HWND16 hwnd
)
2261 return (INT16
)SendMessage16( hwnd
, WM_GETTEXTLENGTH
, 0, 0 );
2265 /*******************************************************************
2266 * GetWindowTextLength32A (USER32.310)
2268 INT WINAPI
GetWindowTextLengthA( HWND hwnd
)
2270 return SendMessageA( hwnd
, WM_GETTEXTLENGTH
, 0, 0 );
2273 /*******************************************************************
2274 * GetWindowTextLength32W (USER32.311)
2276 INT WINAPI
GetWindowTextLengthW( HWND hwnd
)
2278 return SendMessageW( hwnd
, WM_GETTEXTLENGTH
, 0, 0 );
2282 /*******************************************************************
2283 * IsWindow16 (USER.47)
2285 BOOL16 WINAPI
IsWindow16( HWND16 hwnd
)
2287 CURRENT_STACK16
->es
= USER_HeapSel
;
2288 return IsWindow( hwnd
);
2292 /*******************************************************************
2293 * IsWindow32 (USER32.348)
2295 BOOL WINAPI
IsWindow( HWND hwnd
)
2300 if(!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
2301 retvalue
= (wndPtr
->dwMagic
== WND_MAGIC
);
2302 WIN_ReleaseWndPtr(wndPtr
);
2308 /*****************************************************************
2309 * GetParent16 (USER.46)
2311 HWND16 WINAPI
GetParent16( HWND16 hwnd
)
2313 return (HWND16
)GetParent( hwnd
);
2317 /*****************************************************************
2318 * GetParent32 (USER32.278)
2320 HWND WINAPI
GetParent( HWND hwnd
)
2325 if(!(wndPtr
= WIN_FindWndPtr(hwnd
))) return 0;
2326 if ((!(wndPtr
->dwStyle
& (WS_POPUP
|WS_CHILD
))))
2328 WIN_ReleaseWndPtr(wndPtr
);
2331 WIN_UpdateWndPtr(&wndPtr
,((wndPtr
->dwStyle
& WS_CHILD
) ? wndPtr
->parent
: wndPtr
->owner
));
2332 retvalue
= wndPtr
? wndPtr
->hwndSelf
: 0;
2334 WIN_ReleaseWndPtr(wndPtr
);
2339 /*****************************************************************
2342 * Get the top-level parent for a child window.
2343 * returns a locked pointer
2345 WND
* WIN_GetTopParentPtr( WND
* pWnd
)
2347 WND
*tmpWnd
= WIN_LockWndPtr(pWnd
);
2349 while( tmpWnd
&& (tmpWnd
->dwStyle
& WS_CHILD
))
2351 WIN_UpdateWndPtr(&tmpWnd
,tmpWnd
->parent
);
2356 /*****************************************************************
2359 * Get the top-level parent for a child window.
2361 HWND
WIN_GetTopParent( HWND hwnd
)
2364 WND
*tmpPtr
= WIN_FindWndPtr(hwnd
);
2365 WND
*wndPtr
= WIN_GetTopParentPtr (tmpPtr
);
2367 retvalue
= wndPtr
? wndPtr
->hwndSelf
: 0;
2368 WIN_ReleaseWndPtr(tmpPtr
);
2369 WIN_ReleaseWndPtr(wndPtr
);
2374 /*****************************************************************
2375 * SetParent16 (USER.233)
2377 HWND16 WINAPI
SetParent16( HWND16 hwndChild
, HWND16 hwndNewParent
)
2379 return SetParent( hwndChild
, hwndNewParent
);
2383 /*****************************************************************
2384 * SetParent32 (USER32.495)
2386 HWND WINAPI
SetParent( HWND hwndChild
, HWND hwndNewParent
)
2395 if(!(wndPtr
= WIN_FindWndPtr(hwndChild
))) return 0;
2397 dwStyle
= wndPtr
->dwStyle
;
2399 pWndNewParent
= hwndNewParent
? WIN_FindWndPtr(hwndNewParent
)
2400 : WIN_LockWndPtr(pWndDesktop
);
2402 /* Windows hides the window first, then shows it again
2403 * including the WM_SHOWWINDOW messages and all */
2404 if (dwStyle
& WS_VISIBLE
)
2405 ShowWindow( hwndChild
, SW_HIDE
);
2407 pWndOldParent
= WIN_LockWndPtr((*wndPtr
->pDriver
->pSetParent
)(wndPtr
, pWndNewParent
));
2409 /* SetParent32 additionally needs to make hwndChild the topmost window
2410 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2411 WM_WINDOWPOSCHANGED notification messages.
2413 SetWindowPos( hwndChild
, HWND_TOPMOST
, 0, 0, 0, 0,
2414 SWP_NOMOVE
|SWP_NOSIZE
|((dwStyle
& WS_VISIBLE
)?SWP_SHOWWINDOW
:0));
2415 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2416 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2418 retvalue
= pWndOldParent
?pWndOldParent
->hwndSelf
:0;
2420 WIN_ReleaseWndPtr(pWndOldParent
);
2421 WIN_ReleaseWndPtr(pWndNewParent
);
2422 WIN_ReleaseWndPtr(wndPtr
);
2428 /*******************************************************************
2429 * IsChild16 (USER.48)
2431 BOOL16 WINAPI
IsChild16( HWND16 parent
, HWND16 child
)
2433 return IsChild(parent
,child
);
2437 /*******************************************************************
2438 * IsChild32 (USER32.339)
2440 BOOL WINAPI
IsChild( HWND parent
, HWND child
)
2442 WND
* wndPtr
= WIN_FindWndPtr( child
);
2443 while (wndPtr
&& (wndPtr
->dwStyle
& WS_CHILD
))
2445 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->parent
);
2446 if (wndPtr
->hwndSelf
== parent
)
2448 WIN_ReleaseWndPtr(wndPtr
);
2452 WIN_ReleaseWndPtr(wndPtr
);
2457 /***********************************************************************
2458 * IsWindowVisible16 (USER.49)
2460 BOOL16 WINAPI
IsWindowVisible16( HWND16 hwnd
)
2462 return IsWindowVisible(hwnd
);
2466 /***********************************************************************
2467 * IsWindowVisible32 (USER32.351)
2469 BOOL WINAPI
IsWindowVisible( HWND hwnd
)
2472 WND
*wndPtr
= WIN_FindWndPtr( hwnd
);
2473 while (wndPtr
&& (wndPtr
->dwStyle
& WS_CHILD
))
2475 if (!(wndPtr
->dwStyle
& WS_VISIBLE
))
2477 WIN_ReleaseWndPtr(wndPtr
);
2480 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->parent
);
2482 retval
= (wndPtr
&& (wndPtr
->dwStyle
& WS_VISIBLE
));
2483 WIN_ReleaseWndPtr(wndPtr
);
2489 /***********************************************************************
2490 * WIN_IsWindowDrawable
2492 * hwnd is drawable when it is visible, all parents are not
2493 * minimized, and it is itself not minimized unless we are
2494 * trying to draw its default class icon.
2496 BOOL
WIN_IsWindowDrawable( WND
* wnd
, BOOL icon
)
2498 if( (wnd
->dwStyle
& WS_MINIMIZE
&&
2499 icon
&& wnd
->class->hIcon
) ||
2500 !(wnd
->dwStyle
& WS_VISIBLE
) ) return FALSE
;
2501 for(wnd
= wnd
->parent
; wnd
; wnd
= wnd
->parent
)
2502 if( wnd
->dwStyle
& WS_MINIMIZE
||
2503 !(wnd
->dwStyle
& WS_VISIBLE
) ) break;
2504 return (wnd
== NULL
);
2508 /*******************************************************************
2509 * GetTopWindow16 (USER.229)
2511 HWND16 WINAPI
GetTopWindow16( HWND16 hwnd
)
2513 return GetTopWindow(hwnd
);
2517 /*******************************************************************
2518 * GetTopWindow32 (USER.229)
2520 HWND WINAPI
GetTopWindow( HWND hwnd
)
2523 WND
* wndPtr
= NULL
;
2526 wndPtr
= WIN_FindWndPtr( hwnd
);
2528 wndPtr
= WIN_GetDesktop();
2530 if (wndPtr
&& wndPtr
->child
)
2532 retval
= wndPtr
->child
->hwndSelf
;
2535 WIN_ReleaseWndPtr(wndPtr
);
2540 /*******************************************************************
2541 * GetWindow16 (USER.262)
2543 HWND16 WINAPI
GetWindow16( HWND16 hwnd
, WORD rel
)
2545 return GetWindow( hwnd
,rel
);
2549 /*******************************************************************
2550 * GetWindow32 (USER32.302)
2552 HWND WINAPI
GetWindow( HWND hwnd
, WORD rel
)
2556 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
2557 if (!wndPtr
) return 0;
2561 if (wndPtr
->parent
) retval
= wndPtr
->parent
->child
->hwndSelf
;
2566 if (!wndPtr
->parent
)
2568 retval
= 0; /* Desktop window */
2571 while (wndPtr
->next
)
2573 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->next
);
2575 retval
= wndPtr
->hwndSelf
;
2579 if (!wndPtr
->next
) retval
= 0;
2580 else retval
= wndPtr
->next
->hwndSelf
;
2584 if (!wndPtr
->parent
)
2586 retval
= 0; /* Desktop window */
2589 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->parent
->child
); /* First sibling */
2590 if (wndPtr
->hwndSelf
== hwnd
)
2592 retval
= 0; /* First in list */
2595 while (wndPtr
->next
)
2597 if (wndPtr
->next
->hwndSelf
== hwnd
)
2599 retval
= wndPtr
->hwndSelf
;
2602 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->next
);
2608 retval
= wndPtr
->owner
? wndPtr
->owner
->hwndSelf
: 0;
2612 retval
= wndPtr
->child
? wndPtr
->child
->hwndSelf
: 0;
2617 WIN_ReleaseWndPtr(wndPtr
);
2622 /*******************************************************************
2623 * GetNextWindow16 (USER.230)
2625 HWND16 WINAPI
GetNextWindow16( HWND16 hwnd
, WORD flag
)
2627 if ((flag
!= GW_HWNDNEXT
) && (flag
!= GW_HWNDPREV
)) return 0;
2628 return GetWindow16( hwnd
, flag
);
2631 /*******************************************************************
2632 * ShowOwnedPopups16 (USER.265)
2634 void WINAPI
ShowOwnedPopups16( HWND16 owner
, BOOL16 fShow
)
2636 ShowOwnedPopups( owner
, fShow
);
2640 /*******************************************************************
2641 * ShowOwnedPopups32 (USER32.531)
2643 BOOL WINAPI
ShowOwnedPopups( HWND owner
, BOOL fShow
)
2646 pWnd
= WIN_LockWndPtr(pWndDesktop
->child
);
2649 if (pWnd
->owner
&& (pWnd
->owner
->hwndSelf
== owner
) &&
2650 (pWnd
->dwStyle
& WS_POPUP
))
2651 ShowWindow( pWnd
->hwndSelf
, fShow
? SW_SHOW
: SW_HIDE
);
2652 WIN_UpdateWndPtr(&pWnd
,pWnd
->next
);
2658 /*******************************************************************
2659 * GetLastActivePopup16 (USER.287)
2661 HWND16 WINAPI
GetLastActivePopup16( HWND16 hwnd
)
2663 return GetLastActivePopup( hwnd
);
2666 /*******************************************************************
2667 * GetLastActivePopup32 (USER32.256)
2669 HWND WINAPI
GetLastActivePopup( HWND hwnd
)
2673 wndPtr
= WIN_FindWndPtr(hwnd
);
2674 if (!wndPtr
) return hwnd
;
2675 retval
= wndPtr
->hwndLastActive
;
2676 WIN_ReleaseWndPtr(wndPtr
);
2681 /*******************************************************************
2684 * Build an array of pointers to the children of a given window.
2685 * The array must be freed with HeapFree(SystemHeap). Return NULL
2686 * when no windows are found.
2688 WND
**WIN_BuildWinArray( WND
*wndPtr
, UINT bwaFlags
, UINT
* pTotal
)
2690 /* Future : this function will lock all windows associated with this array */
2692 WND
**list
, **ppWnd
;
2694 UINT count
= 0, skipOwned
, skipHidden
;
2697 skipHidden
= bwaFlags
& BWA_SKIPHIDDEN
;
2698 skipOwned
= bwaFlags
& BWA_SKIPOWNED
;
2699 skipFlags
= (bwaFlags
& BWA_SKIPDISABLED
) ? WS_DISABLED
: 0;
2700 if( bwaFlags
& BWA_SKIPICONIC
) skipFlags
|= WS_MINIMIZE
;
2702 /* First count the windows */
2705 wndPtr
= WIN_GetDesktop();
2707 pWnd
= WIN_LockWndPtr(wndPtr
->child
);
2710 if( !(pWnd
->dwStyle
& skipFlags
) && !(skipOwned
&& pWnd
->owner
) &&
2711 (!skipHidden
|| (pWnd
->dwStyle
& WS_VISIBLE
)) )
2713 WIN_UpdateWndPtr(&pWnd
,pWnd
->next
);
2718 /* Now build the list of all windows */
2720 if ((list
= (WND
**)HeapAlloc( SystemHeap
, 0, sizeof(WND
*) * (count
+ 1))))
2722 for (pWnd
= WIN_LockWndPtr(wndPtr
->child
), ppWnd
= list
, count
= 0; pWnd
; WIN_UpdateWndPtr(&pWnd
,pWnd
->next
))
2724 if( (pWnd
->dwStyle
& skipFlags
) || (skipOwned
&& pWnd
->owner
) );
2725 else if( !skipHidden
|| pWnd
->dwStyle
& WS_VISIBLE
)
2731 WIN_ReleaseWndPtr(pWnd
);
2737 if( pTotal
) *pTotal
= count
;
2740 /*******************************************************************
2741 * WIN_ReleaseWinArray
2743 void WIN_ReleaseWinArray(WND
**wndArray
)
2745 /* Future : this function will also unlock all windows associated with wndArray */
2746 HeapFree( SystemHeap
, 0, wndArray
);
2750 /*******************************************************************
2751 * EnumWindows16 (USER.54)
2753 BOOL16 WINAPI
EnumWindows16( WNDENUMPROC16 lpEnumFunc
, LPARAM lParam
)
2755 WND
**list
, **ppWnd
;
2757 /* We have to build a list of all windows first, to avoid */
2758 /* unpleasant side-effects, for instance if the callback */
2759 /* function changes the Z-order of the windows. */
2761 if (!(list
= WIN_BuildWinArray(WIN_GetDesktop(), 0, NULL
)))
2763 WIN_ReleaseDesktop();
2767 /* Now call the callback function for every window */
2769 for (ppWnd
= list
; *ppWnd
; ppWnd
++)
2771 LRESULT lpEnumFuncRetval
;
2773 /* Make sure that the window still exists */
2774 if (!IsWindow((*ppWnd
)->hwndSelf
)) continue;
2776 /* To avoid any deadlocks, all the locks on the windows
2777 structures must be suspended before the control
2778 is passed to the application */
2779 iWndsLocks
= WIN_SuspendWndsLock();
2780 lpEnumFuncRetval
= lpEnumFunc( (*ppWnd
)->hwndSelf
, lParam
);
2781 WIN_RestoreWndsLock(iWndsLocks
);
2783 if (!lpEnumFuncRetval
) break;
2785 WIN_ReleaseWinArray(list
);
2786 WIN_ReleaseDesktop();
2791 /*******************************************************************
2792 * EnumWindows32 (USER32.193)
2794 BOOL WINAPI
EnumWindows( WNDENUMPROC lpEnumFunc
, LPARAM lParam
)
2796 return (BOOL
)EnumWindows16( (WNDENUMPROC16
)lpEnumFunc
, lParam
);
2800 /**********************************************************************
2801 * EnumTaskWindows16 (USER.225)
2803 BOOL16 WINAPI
EnumTaskWindows16( HTASK16 hTask
, WNDENUMPROC16 func
,
2806 WND
**list
, **ppWnd
;
2808 /* This function is the same as EnumWindows(), */
2809 /* except for an added check on the window's task. */
2811 if (!(list
= WIN_BuildWinArray( WIN_GetDesktop(), 0, NULL
)))
2813 WIN_ReleaseDesktop();
2817 /* Now call the callback function for every window */
2819 for (ppWnd
= list
; *ppWnd
; ppWnd
++)
2823 /* Make sure that the window still exists */
2824 if (!IsWindow((*ppWnd
)->hwndSelf
)) continue;
2825 if (QUEUE_GetQueueTask((*ppWnd
)->hmemTaskQ
) != hTask
) continue;
2827 /* To avoid any deadlocks, all the locks on the windows
2828 structures must be suspended before the control
2829 is passed to the application */
2830 iWndsLocks
= WIN_SuspendWndsLock();
2831 funcRetval
= func( (*ppWnd
)->hwndSelf
, lParam
);
2832 WIN_RestoreWndsLock(iWndsLocks
);
2834 if (!funcRetval
) break;
2836 WIN_ReleaseWinArray(list
);
2837 WIN_ReleaseDesktop();
2842 /**********************************************************************
2843 * EnumThreadWindows (USER32.190)
2845 BOOL WINAPI
EnumThreadWindows( DWORD id
, WNDENUMPROC func
, LPARAM lParam
)
2847 TEB
*teb
= THREAD_IdToTEB(id
);
2849 return (BOOL16
)EnumTaskWindows16(teb
->htask16
, (WNDENUMPROC16
)func
, lParam
);
2853 /**********************************************************************
2854 * WIN_EnumChildWindows
2856 * Helper function for EnumChildWindows().
2858 static BOOL16
WIN_EnumChildWindows( WND
**ppWnd
, WNDENUMPROC16 func
,
2864 for ( ; *ppWnd
; ppWnd
++)
2868 /* Make sure that the window still exists */
2869 if (!IsWindow((*ppWnd
)->hwndSelf
)) continue;
2870 /* Build children list first */
2871 childList
= WIN_BuildWinArray( *ppWnd
, BWA_SKIPOWNED
, NULL
);
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 ret
= func( (*ppWnd
)->hwndSelf
, lParam
);
2878 WIN_RestoreWndsLock(iWndsLocks
);
2882 if (ret
) ret
= WIN_EnumChildWindows( childList
, func
, lParam
);
2883 WIN_ReleaseWinArray(childList
);
2885 if (!ret
) return FALSE
;
2891 /**********************************************************************
2892 * EnumChildWindows16 (USER.55)
2894 BOOL16 WINAPI
EnumChildWindows16( HWND16 parent
, WNDENUMPROC16 func
,
2897 WND
**list
, *pParent
;
2899 if (!(pParent
= WIN_FindWndPtr( parent
))) return FALSE
;
2900 if (!(list
= WIN_BuildWinArray( pParent
, BWA_SKIPOWNED
, NULL
)))
2902 WIN_ReleaseWndPtr(pParent
);
2905 WIN_EnumChildWindows( list
, func
, lParam
);
2906 WIN_ReleaseWinArray(list
);
2907 WIN_ReleaseWndPtr(pParent
);
2912 /**********************************************************************
2913 * EnumChildWindows32 (USER32.178)
2915 BOOL WINAPI
EnumChildWindows( HWND parent
, WNDENUMPROC func
,
2918 return (BOOL
)EnumChildWindows16( (HWND16
)parent
, (WNDENUMPROC16
)func
,
2923 /*******************************************************************
2924 * AnyPopup16 (USER.52)
2926 BOOL16 WINAPI
AnyPopup16(void)
2932 /*******************************************************************
2933 * AnyPopup32 (USER32.4)
2935 BOOL WINAPI
AnyPopup(void)
2937 WND
*wndPtr
= WIN_LockWndPtr(pWndDesktop
->child
);
2942 if (wndPtr
->owner
&& (wndPtr
->dwStyle
& WS_VISIBLE
))
2947 WIN_UpdateWndPtr(&wndPtr
,wndPtr
->next
);
2951 WIN_ReleaseWndPtr(wndPtr
);
2956 /*******************************************************************
2957 * FlashWindow16 (USER.105)
2959 BOOL16 WINAPI
FlashWindow16( HWND16 hWnd
, BOOL16 bInvert
)
2961 return FlashWindow( hWnd
, bInvert
);
2965 /*******************************************************************
2966 * FlashWindow32 (USER32.202)
2968 BOOL WINAPI
FlashWindow( HWND hWnd
, BOOL bInvert
)
2970 WND
*wndPtr
= WIN_FindWndPtr(hWnd
);
2972 TRACE_(win
)("%04x\n", hWnd
);
2974 if (!wndPtr
) return FALSE
;
2976 if (wndPtr
->dwStyle
& WS_MINIMIZE
)
2978 if (bInvert
&& !(wndPtr
->flags
& WIN_NCACTIVATED
))
2980 HDC hDC
= GetDC(hWnd
);
2982 if (!SendMessage16( hWnd
, WM_ERASEBKGND
, (WPARAM16
)hDC
, 0 ))
2983 wndPtr
->flags
|= WIN_NEEDS_ERASEBKGND
;
2985 ReleaseDC( hWnd
, hDC
);
2986 wndPtr
->flags
|= WIN_NCACTIVATED
;
2990 PAINT_RedrawWindow( hWnd
, 0, 0, RDW_INVALIDATE
| RDW_ERASE
|
2991 RDW_UPDATENOW
| RDW_FRAME
, 0 );
2992 wndPtr
->flags
&= ~WIN_NCACTIVATED
;
2994 WIN_ReleaseWndPtr(wndPtr
);
3000 if (bInvert
) wparam
= !(wndPtr
->flags
& WIN_NCACTIVATED
);
3001 else wparam
= (hWnd
== GetActiveWindow());
3003 SendMessage16( hWnd
, WM_NCACTIVATE
, wparam
, (LPARAM
)0 );
3004 WIN_ReleaseWndPtr(wndPtr
);
3010 /*******************************************************************
3011 * SetSysModalWindow16 (USER.188)
3013 HWND16 WINAPI
SetSysModalWindow16( HWND16 hWnd
)
3015 HWND hWndOldModal
= hwndSysModal
;
3016 hwndSysModal
= hWnd
;
3017 FIXME_(win
)("EMPTY STUB !! SetSysModalWindow(%04x) !\n", hWnd
);
3018 return hWndOldModal
;
3022 /*******************************************************************
3023 * GetSysModalWindow16 (USER.52)
3025 HWND16 WINAPI
GetSysModalWindow16(void)
3027 return hwndSysModal
;
3031 /*******************************************************************
3032 * GetWindowContextHelpId (USER32.303)
3034 DWORD WINAPI
GetWindowContextHelpId( HWND hwnd
)
3037 WND
*wnd
= WIN_FindWndPtr( hwnd
);
3039 retval
= wnd
->helpContext
;
3040 WIN_ReleaseWndPtr(wnd
);
3045 /*******************************************************************
3046 * SetWindowContextHelpId (USER32.515)
3048 BOOL WINAPI
SetWindowContextHelpId( HWND hwnd
, DWORD id
)
3050 WND
*wnd
= WIN_FindWndPtr( hwnd
);
3051 if (!wnd
) return FALSE
;
3052 wnd
->helpContext
= id
;
3053 WIN_ReleaseWndPtr(wnd
);
3058 /*******************************************************************
3061 * recursively find a child that contains spDragInfo->pt point
3062 * and send WM_QUERYDROPOBJECT
3064 BOOL16
DRAG_QueryUpdate( HWND hQueryWnd
, SEGPTR spDragInfo
, BOOL bNoSend
)
3066 BOOL16 wParam
,bResult
= 0;
3068 LPDRAGINFO ptrDragInfo
= (LPDRAGINFO
) PTR_SEG_TO_LIN(spDragInfo
);
3069 WND
*ptrQueryWnd
= WIN_FindWndPtr(hQueryWnd
),*ptrWnd
;
3072 if( !ptrQueryWnd
|| !ptrDragInfo
)
3074 WIN_ReleaseWndPtr(ptrQueryWnd
);
3078 CONV_POINT16TO32( &ptrDragInfo
->pt
, &pt
);
3080 GetWindowRect(hQueryWnd
,&tempRect
);
3082 if( !PtInRect(&tempRect
,pt
) ||
3083 (ptrQueryWnd
->dwStyle
& WS_DISABLED
) )
3085 WIN_ReleaseWndPtr(ptrQueryWnd
);
3089 if( !(ptrQueryWnd
->dwStyle
& WS_MINIMIZE
) )
3091 tempRect
= ptrQueryWnd
->rectClient
;
3092 if(ptrQueryWnd
->dwStyle
& WS_CHILD
)
3093 MapWindowPoints( ptrQueryWnd
->parent
->hwndSelf
, 0,
3094 (LPPOINT
)&tempRect
, 2 );
3096 if (PtInRect( &tempRect
, pt
))
3100 for (ptrWnd
= WIN_LockWndPtr(ptrQueryWnd
->child
); ptrWnd
;WIN_UpdateWndPtr(&ptrWnd
,ptrWnd
->next
))
3102 if( ptrWnd
->dwStyle
& WS_VISIBLE
)
3104 GetWindowRect( ptrWnd
->hwndSelf
, &tempRect
);
3105 if (PtInRect( &tempRect
, pt
)) break;
3111 TRACE_(msg
)("hwnd = %04x, %d %d - %d %d\n",
3112 ptrWnd
->hwndSelf
, ptrWnd
->rectWindow
.left
, ptrWnd
->rectWindow
.top
,
3113 ptrWnd
->rectWindow
.right
, ptrWnd
->rectWindow
.bottom
);
3114 if( !(ptrWnd
->dwStyle
& WS_DISABLED
) )
3115 bResult
= DRAG_QueryUpdate(ptrWnd
->hwndSelf
, spDragInfo
, bNoSend
);
3117 WIN_ReleaseWndPtr(ptrWnd
);
3122 WIN_ReleaseWndPtr(ptrQueryWnd
);
3130 ScreenToClient16(hQueryWnd
,&ptrDragInfo
->pt
);
3132 ptrDragInfo
->hScope
= hQueryWnd
;
3134 bResult
= ( bNoSend
)
3135 ? ptrQueryWnd
->dwExStyle
& WS_EX_ACCEPTFILES
3136 : SendMessage16( hQueryWnd
,WM_QUERYDROPOBJECT
,
3137 (WPARAM16
)wParam
,(LPARAM
) spDragInfo
);
3139 CONV_POINT32TO16( &pt
, &ptrDragInfo
->pt
);
3141 WIN_ReleaseWndPtr(ptrQueryWnd
);
3146 /*******************************************************************
3147 * DragDetect (USER.465)
3149 BOOL16 WINAPI
DragDetect16( HWND16 hWnd
, POINT16 pt
)
3152 CONV_POINT16TO32( &pt
, &pt32
);
3153 return DragDetect( hWnd
, pt32
);
3156 /*******************************************************************
3157 * DragDetect32 (USER32.151)
3159 BOOL WINAPI
DragDetect( HWND hWnd
, POINT pt
)
3164 rect
.left
= pt
.x
- wDragWidth
;
3165 rect
.right
= pt
.x
+ wDragWidth
;
3167 rect
.top
= pt
.y
- wDragHeight
;
3168 rect
.bottom
= pt
.y
+ wDragHeight
;
3174 while(PeekMessage16(&msg
,0 ,WM_MOUSEFIRST
,WM_MOUSELAST
,PM_REMOVE
))
3176 if( msg
.message
== WM_LBUTTONUP
)
3181 if( msg
.message
== WM_MOUSEMOVE
)
3183 if( !PtInRect16( &rect
, MAKEPOINT16(msg
.lParam
) ) )
3195 /******************************************************************************
3196 * DragObject16 (USER.464)
3198 DWORD WINAPI
DragObject16( HWND16 hwndScope
, HWND16 hWnd
, UINT16 wObj
,
3199 HANDLE16 hOfStruct
, WORD szList
, HCURSOR16 hCursor
)
3202 LPDRAGINFO lpDragInfo
;
3204 HCURSOR16 hDragCursor
=0, hOldCursor
=0, hBummer
=0;
3205 HGLOBAL16 hDragInfo
= GlobalAlloc16( GMEM_SHARE
| GMEM_ZEROINIT
, 2*sizeof(DRAGINFO
));
3206 WND
*wndPtr
= WIN_FindWndPtr(hWnd
);
3207 HCURSOR16 hCurrentCursor
= 0;
3208 HWND16 hCurrentWnd
= 0;
3210 lpDragInfo
= (LPDRAGINFO
) GlobalLock16(hDragInfo
);
3211 spDragInfo
= (SEGPTR
) WIN16_GlobalLock16(hDragInfo
);
3213 if( !lpDragInfo
|| !spDragInfo
)
3215 WIN_ReleaseWndPtr(wndPtr
);
3219 hBummer
= LoadCursor16(0, IDC_BUMMER16
);
3221 if( !hBummer
|| !wndPtr
)
3223 GlobalFree16(hDragInfo
);
3224 WIN_ReleaseWndPtr(wndPtr
);
3230 if( !(hDragCursor
= CURSORICON_IconToCursor(hCursor
, FALSE
)) )
3232 GlobalFree16(hDragInfo
);
3233 WIN_ReleaseWndPtr(wndPtr
);
3237 if( hDragCursor
== hCursor
) hDragCursor
= 0;
3238 else hCursor
= hDragCursor
;
3240 hOldCursor
= SetCursor(hDragCursor
);
3243 lpDragInfo
->hWnd
= hWnd
;
3244 lpDragInfo
->hScope
= 0;
3245 lpDragInfo
->wFlags
= wObj
;
3246 lpDragInfo
->hList
= szList
; /* near pointer! */
3247 lpDragInfo
->hOfStruct
= hOfStruct
;
3255 do{ WaitMessage(); }
3256 while( !PeekMessage16(&msg
,0,WM_MOUSEFIRST
,WM_MOUSELAST
,PM_REMOVE
) );
3258 *(lpDragInfo
+1) = *lpDragInfo
;
3260 lpDragInfo
->pt
= msg
.pt
;
3262 /* update DRAGINFO struct */
3263 TRACE_(msg
)("lpDI->hScope = %04x\n",lpDragInfo
->hScope
);
3265 if( DRAG_QueryUpdate(hwndScope
, spDragInfo
, FALSE
) > 0 )
3266 hCurrentCursor
= hCursor
;
3269 hCurrentCursor
= hBummer
;
3270 lpDragInfo
->hScope
= 0;
3272 if( hCurrentCursor
)
3273 SetCursor(hCurrentCursor
);
3275 /* send WM_DRAGLOOP */
3276 SendMessage16( hWnd
, WM_DRAGLOOP
, (WPARAM16
)(hCurrentCursor
!= hBummer
),
3277 (LPARAM
) spDragInfo
);
3278 /* send WM_DRAGSELECT or WM_DRAGMOVE */
3279 if( hCurrentWnd
!= lpDragInfo
->hScope
)
3282 SendMessage16( hCurrentWnd
, WM_DRAGSELECT
, 0,
3283 (LPARAM
)MAKELONG(LOWORD(spDragInfo
)+sizeof(DRAGINFO
),
3284 HIWORD(spDragInfo
)) );
3285 hCurrentWnd
= lpDragInfo
->hScope
;
3287 SendMessage16( hCurrentWnd
, WM_DRAGSELECT
, 1, (LPARAM
)spDragInfo
);
3291 SendMessage16( hCurrentWnd
, WM_DRAGMOVE
, 0, (LPARAM
)spDragInfo
);
3293 } while( msg
.message
!= WM_LBUTTONUP
&& msg
.message
!= WM_NCLBUTTONUP
);
3296 ShowCursor( FALSE
);
3300 SetCursor( hOldCursor
);
3301 if (hDragCursor
) DestroyCursor( hDragCursor
);
3304 if( hCurrentCursor
!= hBummer
)
3305 msg
.lParam
= SendMessage16( lpDragInfo
->hScope
, WM_DROPOBJECT
,
3306 (WPARAM16
)hWnd
, (LPARAM
)spDragInfo
);
3309 GlobalFree16(hDragInfo
);
3310 WIN_ReleaseWndPtr(wndPtr
);
3312 return (DWORD
)(msg
.lParam
);