2 * Window related functions
4 * Copyright 1993, 1994 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
30 #include "wine/winbase16.h"
31 #include "wine/winuser16.h"
33 #include "wine/server.h"
34 #include "wine/unicode.h"
36 #include "user_private.h"
39 #include "wine/debug.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(win
);
43 #define NB_USER_HANDLES ((LAST_USER_HANDLE - FIRST_USER_HANDLE + 1) >> 1)
44 #define USER_HANDLE_TO_INDEX(hwnd) ((LOWORD(hwnd) - FIRST_USER_HANDLE) >> 1)
46 /**********************************************************************/
48 /* helper for Get/SetWindowLong */
49 static inline LONG_PTR
get_win_data( const void *ptr
, UINT size
)
51 if (size
== sizeof(WORD
))
54 memcpy( &ret
, ptr
, sizeof(ret
) );
57 else if (size
== sizeof(DWORD
))
60 memcpy( &ret
, ptr
, sizeof(ret
) );
66 memcpy( &ret
, ptr
, sizeof(ret
) );
71 /* helper for Get/SetWindowLong */
72 static inline void set_win_data( void *ptr
, LONG_PTR val
, UINT size
)
74 if (size
== sizeof(WORD
))
77 memcpy( ptr
, &newval
, sizeof(newval
) );
79 else if (size
== sizeof(DWORD
))
82 memcpy( ptr
, &newval
, sizeof(newval
) );
86 memcpy( ptr
, &val
, sizeof(val
) );
91 static void *user_handles
[NB_USER_HANDLES
];
93 /***********************************************************************
94 * create_window_handle
96 * Create a window handle with the server.
98 static WND
*create_window_handle( HWND parent
, HWND owner
, LPCWSTR name
,
99 HINSTANCE instance
, BOOL unicode
)
103 HWND full_parent
= 0, full_owner
= 0;
104 struct tagCLASS
*class = NULL
;
105 user_handle_t handle
= 0;
108 /* if 16-bit instance, map to module handle */
109 if (instance
&& !HIWORD(instance
))
110 instance
= HINSTANCE_32(GetExePtr(HINSTANCE_16(instance
)));
112 SERVER_START_REQ( create_window
)
114 req
->parent
= parent
;
116 req
->instance
= instance
;
117 if (!(req
->atom
= get_int_atom_value( name
)) && name
)
118 wine_server_add_data( req
, name
, strlenW(name
)*sizeof(WCHAR
) );
119 if (!wine_server_call_err( req
))
121 handle
= reply
->handle
;
122 full_parent
= reply
->parent
;
123 full_owner
= reply
->owner
;
124 extra_bytes
= reply
->extra
;
125 class = reply
->class_ptr
;
132 WARN( "error %d creating window\n", GetLastError() );
136 if (!(win
= HeapAlloc( GetProcessHeap(), 0, sizeof(WND
) + extra_bytes
- sizeof(win
->wExtra
) )))
138 SERVER_START_REQ( destroy_window
)
140 req
->handle
= handle
;
141 wine_server_call( req
);
144 SetLastError( ERROR_NOT_ENOUGH_MEMORY
);
148 if (!parent
) /* if parent is 0 we don't have a desktop window yet */
150 struct user_thread_info
*thread_info
= get_user_thread_info();
152 if (!thread_info
->desktop
) thread_info
->desktop
= full_parent
? full_parent
: handle
;
153 else assert( full_parent
== thread_info
->desktop
);
154 if (full_parent
&& !USER_Driver
->pCreateDesktopWindow( thread_info
->desktop
))
155 ERR( "failed to create desktop window\n" );
160 index
= USER_HANDLE_TO_INDEX(handle
);
161 assert( index
< NB_USER_HANDLES
);
162 user_handles
[index
] = win
;
163 win
->hwndSelf
= handle
;
164 win
->parent
= full_parent
;
165 win
->owner
= full_owner
;
166 win
->dwMagic
= WND_MAGIC
;
168 win
->cbWndExtra
= extra_bytes
;
169 memset( win
->wExtra
, 0, extra_bytes
);
170 CLASS_AddWindow( class, win
, unicode
);
175 /***********************************************************************
178 * Free a window handle.
180 static WND
*free_window_handle( HWND hwnd
)
183 WORD index
= USER_HANDLE_TO_INDEX(hwnd
);
185 if (index
>= NB_USER_HANDLES
) return NULL
;
187 if ((ptr
= user_handles
[index
]))
189 SERVER_START_REQ( destroy_window
)
192 if (!wine_server_call_err( req
))
194 user_handles
[index
] = NULL
;
203 HeapFree( GetProcessHeap(), 0, ptr
);
208 /*******************************************************************
209 * list_window_children
211 * Build an array of the children of a given window. The array must be
212 * freed with HeapFree. Returns NULL when no windows are found.
214 static HWND
*list_window_children( HWND hwnd
, LPCWSTR
class, DWORD tid
)
223 if (!(list
= HeapAlloc( GetProcessHeap(), 0, size
* sizeof(HWND
) ))) break;
225 SERVER_START_REQ( get_window_children
)
229 if (!(req
->atom
= get_int_atom_value( class )) && class)
230 wine_server_add_data( req
, class, strlenW(class)*sizeof(WCHAR
) );
231 wine_server_set_reply( req
, list
, (size
-1) * sizeof(HWND
) );
232 if (!wine_server_call( req
)) count
= reply
->count
;
235 if (count
&& count
< size
)
240 HeapFree( GetProcessHeap(), 0, list
);
242 size
= count
+ 1; /* restart with a large enough buffer */
248 /*******************************************************************
249 * list_window_parents
251 * Build an array of all parents of a given window, starting with
252 * the immediate parent. The array must be freed with HeapFree.
254 static HWND
*list_window_parents( HWND hwnd
)
258 int pos
= 0, size
= 16, count
= 0;
260 if (!(list
= HeapAlloc( GetProcessHeap(), 0, size
* sizeof(HWND
) ))) return NULL
;
265 if (!(win
= WIN_GetPtr( current
))) goto empty
;
266 if (win
== WND_OTHER_PROCESS
) break; /* need to do it the hard way */
267 if (win
== WND_DESKTOP
)
269 if (!pos
) goto empty
;
273 list
[pos
] = current
= win
->parent
;
274 WIN_ReleasePtr( win
);
275 if (++pos
== size
- 1)
277 /* need to grow the list */
278 HWND
*new_list
= HeapReAlloc( GetProcessHeap(), 0, list
, (size
+16) * sizeof(HWND
) );
279 if (!new_list
) goto empty
;
285 /* at least one parent belongs to another process, have to query the server */
290 SERVER_START_REQ( get_window_parents
)
293 wine_server_set_reply( req
, list
, (size
-1) * sizeof(HWND
) );
294 if (!wine_server_call( req
)) count
= reply
->count
;
297 if (!count
) goto empty
;
303 HeapFree( GetProcessHeap(), 0, list
);
305 if (!(list
= HeapAlloc( GetProcessHeap(), 0, size
* sizeof(HWND
) ))) return NULL
;
309 HeapFree( GetProcessHeap(), 0, list
);
314 /*******************************************************************
317 static void send_parent_notify( HWND hwnd
, UINT msg
)
319 if ((GetWindowLongW( hwnd
, GWL_STYLE
) & (WS_CHILD
| WS_POPUP
)) == WS_CHILD
&&
320 !(GetWindowLongW( hwnd
, GWL_EXSTYLE
) & WS_EX_NOPARENTNOTIFY
))
322 HWND parent
= GetParent(hwnd
);
323 if (parent
&& parent
!= GetDesktopWindow())
324 SendMessageW( parent
, WM_PARENTNOTIFY
,
325 MAKEWPARAM( msg
, GetWindowLongPtrW( hwnd
, GWLP_ID
)), (LPARAM
)hwnd
);
330 /*******************************************************************
331 * get_server_window_text
333 * Retrieve the window text from the server.
335 static void get_server_window_text( HWND hwnd
, LPWSTR text
, INT count
)
339 SERVER_START_REQ( get_window_text
)
342 wine_server_set_reply( req
, text
, (count
- 1) * sizeof(WCHAR
) );
343 if (!wine_server_call_err( req
)) len
= wine_server_reply_size(reply
);
346 text
[len
/ sizeof(WCHAR
)] = 0;
350 /***********************************************************************
353 * Return a pointer to the WND structure if local to the process,
354 * or WND_OTHER_PROCESS if handle may be valid in other process.
355 * If ret value is a valid pointer, it must be released with WIN_ReleasePtr.
357 WND
*WIN_GetPtr( HWND hwnd
)
360 WORD index
= USER_HANDLE_TO_INDEX(hwnd
);
362 if (index
>= NB_USER_HANDLES
) return NULL
;
365 if ((ptr
= user_handles
[index
]))
367 if (ptr
->dwMagic
== WND_MAGIC
&&
368 (hwnd
== ptr
->hwndSelf
|| !HIWORD(hwnd
) || HIWORD(hwnd
) == 0xffff))
372 else if (index
== USER_HANDLE_TO_INDEX(GetDesktopWindow()))
374 if (hwnd
== GetDesktopWindow() || !HIWORD(hwnd
) || HIWORD(hwnd
) == 0xffff) ptr
= WND_DESKTOP
;
377 else ptr
= WND_OTHER_PROCESS
;
383 /***********************************************************************
384 * WIN_IsCurrentProcess
386 * Check whether a given window belongs to the current process (and return the full handle).
388 HWND
WIN_IsCurrentProcess( HWND hwnd
)
393 if (!(ptr
= WIN_GetPtr( hwnd
)) || ptr
== WND_OTHER_PROCESS
|| ptr
== WND_DESKTOP
) return 0;
395 WIN_ReleasePtr( ptr
);
400 /***********************************************************************
401 * WIN_IsCurrentThread
403 * Check whether a given window belongs to the current thread (and return the full handle).
405 HWND
WIN_IsCurrentThread( HWND hwnd
)
410 if (!(ptr
= WIN_GetPtr( hwnd
)) || ptr
== WND_OTHER_PROCESS
|| ptr
== WND_DESKTOP
) return 0;
411 if (ptr
->tid
== GetCurrentThreadId()) ret
= ptr
->hwndSelf
;
412 WIN_ReleasePtr( ptr
);
417 /***********************************************************************
420 * Convert a 16-bit window handle to a full 32-bit handle.
422 HWND
WIN_Handle32( HWND16 hwnd16
)
425 HWND hwnd
= (HWND
)(ULONG_PTR
)hwnd16
;
427 if (hwnd16
<= 1 || hwnd16
== 0xffff) return hwnd
;
428 /* do sign extension for -2 and -3 */
429 if (hwnd16
>= (HWND16
)-3) return (HWND
)(LONG_PTR
)(INT16
)hwnd16
;
431 if (!(ptr
= WIN_GetPtr( hwnd
))) return hwnd
;
433 if (ptr
== WND_DESKTOP
) return GetDesktopWindow();
435 if (ptr
!= WND_OTHER_PROCESS
)
437 hwnd
= ptr
->hwndSelf
;
438 WIN_ReleasePtr( ptr
);
440 else /* may belong to another process */
442 SERVER_START_REQ( get_window_info
)
445 if (!wine_server_call_err( req
)) hwnd
= reply
->full_handle
;
453 /***********************************************************************
456 * Change the owner of a window.
458 HWND
WIN_SetOwner( HWND hwnd
, HWND owner
)
460 WND
*win
= WIN_GetPtr( hwnd
);
463 if (!win
|| win
== WND_DESKTOP
) return 0;
464 if (win
== WND_OTHER_PROCESS
)
466 if (IsWindow(hwnd
)) ERR( "cannot set owner %p on other process window %p\n", owner
, hwnd
);
469 SERVER_START_REQ( set_window_owner
)
473 if (!wine_server_call( req
))
475 win
->owner
= reply
->full_owner
;
476 ret
= reply
->prev_owner
;
480 WIN_ReleasePtr( win
);
485 /***********************************************************************
488 * Change the style of a window.
490 ULONG
WIN_SetStyle( HWND hwnd
, ULONG set_bits
, ULONG clear_bits
)
493 ULONG new_style
, old_style
= 0;
494 WND
*win
= WIN_GetPtr( hwnd
);
496 if (!win
|| win
== WND_DESKTOP
) return 0;
497 if (win
== WND_OTHER_PROCESS
)
500 ERR( "cannot set style %x/%x on other process window %p\n",
501 set_bits
, clear_bits
, hwnd
);
504 new_style
= (win
->dwStyle
| set_bits
) & ~clear_bits
;
505 if (new_style
== win
->dwStyle
)
507 WIN_ReleasePtr( win
);
510 SERVER_START_REQ( set_window_info
)
513 req
->flags
= SET_WIN_STYLE
;
514 req
->style
= new_style
;
515 req
->extra_offset
= -1;
516 if ((ok
= !wine_server_call( req
)))
518 old_style
= reply
->old_style
;
519 win
->dwStyle
= new_style
;
523 WIN_ReleasePtr( win
);
524 if (ok
) USER_Driver
->pSetWindowStyle( hwnd
, old_style
);
529 /***********************************************************************
532 * Get the window and client rectangles.
534 BOOL
WIN_GetRectangles( HWND hwnd
, RECT
*rectWindow
, RECT
*rectClient
)
536 WND
*win
= WIN_GetPtr( hwnd
);
539 if (!win
) return FALSE
;
540 if (win
== WND_DESKTOP
)
543 rect
.left
= rect
.top
= 0;
544 rect
.right
= GetSystemMetrics(SM_CXSCREEN
);
545 rect
.bottom
= GetSystemMetrics(SM_CYSCREEN
);
546 if (rectWindow
) *rectWindow
= rect
;
547 if (rectClient
) *rectClient
= rect
;
549 else if (win
== WND_OTHER_PROCESS
)
551 SERVER_START_REQ( get_window_rectangles
)
554 if ((ret
= !wine_server_call( req
)))
558 rectWindow
->left
= reply
->window
.left
;
559 rectWindow
->top
= reply
->window
.top
;
560 rectWindow
->right
= reply
->window
.right
;
561 rectWindow
->bottom
= reply
->window
.bottom
;
565 rectClient
->left
= reply
->client
.left
;
566 rectClient
->top
= reply
->client
.top
;
567 rectClient
->right
= reply
->client
.right
;
568 rectClient
->bottom
= reply
->client
.bottom
;
576 if (rectWindow
) *rectWindow
= win
->rectWindow
;
577 if (rectClient
) *rectClient
= win
->rectClient
;
578 WIN_ReleasePtr( win
);
584 /***********************************************************************
587 * Destroy storage associated to a window. "Internals" p.358
589 LRESULT
WIN_DestroyWindow( HWND hwnd
)
593 HMENU menu
= 0, sys_menu
;
595 TRACE("%p\n", hwnd
);
597 /* free child windows */
598 if ((list
= WIN_ListChildren( hwnd
)))
601 for (i
= 0; list
[i
]; i
++)
603 if (WIN_IsCurrentThread( list
[i
] )) WIN_DestroyWindow( list
[i
] );
604 else SendMessageW( list
[i
], WM_WINE_DESTROYWINDOW
, 0, 0 );
606 HeapFree( GetProcessHeap(), 0, list
);
609 /* Unlink now so we won't bother with the children later on */
610 SERVER_START_REQ( set_parent
)
614 wine_server_call( req
);
619 * Send the WM_NCDESTROY to the window being destroyed.
621 SendMessageW( hwnd
, WM_NCDESTROY
, 0, 0 );
623 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
625 WINPOS_CheckInternalPos( hwnd
);
627 /* free resources associated with the window */
629 if (!(wndPtr
= WIN_GetPtr( hwnd
)) || wndPtr
== WND_OTHER_PROCESS
) return 0;
630 if ((wndPtr
->dwStyle
& (WS_CHILD
| WS_POPUP
)) != WS_CHILD
)
631 menu
= (HMENU
)wndPtr
->wIDmenu
;
632 sys_menu
= wndPtr
->hSysMenu
;
633 WIN_ReleasePtr( wndPtr
);
635 if (menu
) DestroyMenu( menu
);
636 if (sys_menu
) DestroyMenu( sys_menu
);
638 USER_Driver
->pDestroyWindow( hwnd
);
640 free_window_handle( hwnd
);
644 /***********************************************************************
645 * WIN_DestroyThreadWindows
647 * Destroy all children of 'wnd' owned by the current thread.
649 void WIN_DestroyThreadWindows( HWND hwnd
)
654 if (!(list
= WIN_ListChildren( hwnd
))) return;
655 for (i
= 0; list
[i
]; i
++)
657 if (WIN_IsCurrentThread( list
[i
] ))
658 DestroyWindow( list
[i
] );
660 WIN_DestroyThreadWindows( list
[i
] );
662 HeapFree( GetProcessHeap(), 0, list
);
666 /***********************************************************************
669 * Fix the coordinates - Helper for WIN_CreateWindowEx.
670 * returns default show mode in sw.
672 static void WIN_FixCoordinates( CREATESTRUCTA
*cs
, INT
*sw
)
674 #define IS_DEFAULT(x) ((x) == CW_USEDEFAULT || (x) == CW_USEDEFAULT16)
677 if (cs
->dwExStyle
& WS_EX_MDICHILD
)
681 MDI_CalcDefaultChildPos(cs
->hwndParent
, -1, pos
, 0, &id
);
682 if (!(cs
->style
& WS_POPUP
)) cs
->hMenu
= ULongToHandle(id
);
684 TRACE("MDI child id %04x\n", id
);
687 if (cs
->style
& (WS_CHILD
| WS_POPUP
))
689 if (cs
->dwExStyle
& WS_EX_MDICHILD
)
691 if (IS_DEFAULT(cs
->x
))
696 if (IS_DEFAULT(cs
->cx
) || !cs
->cx
) cs
->cx
= pos
[1].x
;
697 if (IS_DEFAULT(cs
->cy
) || !cs
->cy
) cs
->cy
= pos
[1].y
;
701 if (IS_DEFAULT(cs
->x
)) cs
->x
= cs
->y
= 0;
702 if (IS_DEFAULT(cs
->cx
)) cs
->cx
= cs
->cy
= 0;
705 else /* overlapped window */
708 MONITORINFO mon_info
;
711 if (!IS_DEFAULT(cs
->x
) && !IS_DEFAULT(cs
->cx
) && !IS_DEFAULT(cs
->cy
)) return;
713 monitor
= MonitorFromWindow( cs
->hwndParent
, MONITOR_DEFAULTTOPRIMARY
);
714 mon_info
.cbSize
= sizeof(mon_info
);
715 GetMonitorInfoW( monitor
, &mon_info
);
716 GetStartupInfoW( &info
);
718 if (IS_DEFAULT(cs
->x
))
720 if (!IS_DEFAULT(cs
->y
)) *sw
= cs
->y
;
721 cs
->x
= (info
.dwFlags
& STARTF_USEPOSITION
) ? info
.dwX
: mon_info
.rcWork
.left
;
722 cs
->y
= (info
.dwFlags
& STARTF_USEPOSITION
) ? info
.dwY
: mon_info
.rcWork
.top
;
725 if (IS_DEFAULT(cs
->cx
))
727 if (info
.dwFlags
& STARTF_USESIZE
)
729 cs
->cx
= info
.dwXSize
;
730 cs
->cy
= info
.dwYSize
;
734 cs
->cx
= (mon_info
.rcWork
.right
- mon_info
.rcWork
.left
) * 3 / 4 - cs
->x
;
735 cs
->cy
= (mon_info
.rcWork
.bottom
- mon_info
.rcWork
.top
) * 3 / 4 - cs
->y
;
738 /* neither x nor cx are default. Check the y values .
739 * In the trace we see Outlook and Outlook Express using
740 * cy set to CW_USEDEFAULT when opening the address book.
742 else if (IS_DEFAULT(cs
->cy
))
744 FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
745 cs
->cy
= (mon_info
.rcWork
.bottom
- mon_info
.rcWork
.top
) * 3 / 4 - cs
->y
;
751 /***********************************************************************
754 static void dump_window_styles( DWORD style
, DWORD exstyle
)
757 if(style
& WS_POPUP
) TRACE(" WS_POPUP");
758 if(style
& WS_CHILD
) TRACE(" WS_CHILD");
759 if(style
& WS_MINIMIZE
) TRACE(" WS_MINIMIZE");
760 if(style
& WS_VISIBLE
) TRACE(" WS_VISIBLE");
761 if(style
& WS_DISABLED
) TRACE(" WS_DISABLED");
762 if(style
& WS_CLIPSIBLINGS
) TRACE(" WS_CLIPSIBLINGS");
763 if(style
& WS_CLIPCHILDREN
) TRACE(" WS_CLIPCHILDREN");
764 if(style
& WS_MAXIMIZE
) TRACE(" WS_MAXIMIZE");
765 if((style
& WS_CAPTION
) == WS_CAPTION
) TRACE(" WS_CAPTION");
768 if(style
& WS_BORDER
) TRACE(" WS_BORDER");
769 if(style
& WS_DLGFRAME
) TRACE(" WS_DLGFRAME");
771 if(style
& WS_VSCROLL
) TRACE(" WS_VSCROLL");
772 if(style
& WS_HSCROLL
) TRACE(" WS_HSCROLL");
773 if(style
& WS_SYSMENU
) TRACE(" WS_SYSMENU");
774 if(style
& WS_THICKFRAME
) TRACE(" WS_THICKFRAME");
775 if (style
& WS_CHILD
)
777 if(style
& WS_GROUP
) TRACE(" WS_GROUP");
778 if(style
& WS_TABSTOP
) TRACE(" WS_TABSTOP");
782 if(style
& WS_MINIMIZEBOX
) TRACE(" WS_MINIMIZEBOX");
783 if(style
& WS_MAXIMIZEBOX
) TRACE(" WS_MAXIMIZEBOX");
786 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
787 #define DUMPED_STYLES \
807 if(style
& ~DUMPED_STYLES
) TRACE(" %08lx", style
& ~DUMPED_STYLES
);
812 if(exstyle
& WS_EX_DLGMODALFRAME
) TRACE(" WS_EX_DLGMODALFRAME");
813 if(exstyle
& WS_EX_DRAGDETECT
) TRACE(" WS_EX_DRAGDETECT");
814 if(exstyle
& WS_EX_NOPARENTNOTIFY
) TRACE(" WS_EX_NOPARENTNOTIFY");
815 if(exstyle
& WS_EX_TOPMOST
) TRACE(" WS_EX_TOPMOST");
816 if(exstyle
& WS_EX_ACCEPTFILES
) TRACE(" WS_EX_ACCEPTFILES");
817 if(exstyle
& WS_EX_TRANSPARENT
) TRACE(" WS_EX_TRANSPARENT");
818 if(exstyle
& WS_EX_MDICHILD
) TRACE(" WS_EX_MDICHILD");
819 if(exstyle
& WS_EX_TOOLWINDOW
) TRACE(" WS_EX_TOOLWINDOW");
820 if(exstyle
& WS_EX_WINDOWEDGE
) TRACE(" WS_EX_WINDOWEDGE");
821 if(exstyle
& WS_EX_CLIENTEDGE
) TRACE(" WS_EX_CLIENTEDGE");
822 if(exstyle
& WS_EX_CONTEXTHELP
) TRACE(" WS_EX_CONTEXTHELP");
823 if(exstyle
& WS_EX_RIGHT
) TRACE(" WS_EX_RIGHT");
824 if(exstyle
& WS_EX_RTLREADING
) TRACE(" WS_EX_RTLREADING");
825 if(exstyle
& WS_EX_LEFTSCROLLBAR
) TRACE(" WS_EX_LEFTSCROLLBAR");
826 if(exstyle
& WS_EX_CONTROLPARENT
) TRACE(" WS_EX_CONTROLPARENT");
827 if(exstyle
& WS_EX_STATICEDGE
) TRACE(" WS_EX_STATICEDGE");
828 if(exstyle
& WS_EX_APPWINDOW
) TRACE(" WS_EX_APPWINDOW");
829 if(exstyle
& WS_EX_LAYERED
) TRACE(" WS_EX_LAYERED");
831 #define DUMPED_EX_STYLES \
832 (WS_EX_DLGMODALFRAME | \
834 WS_EX_NOPARENTNOTIFY | \
836 WS_EX_ACCEPTFILES | \
837 WS_EX_TRANSPARENT | \
842 WS_EX_CONTEXTHELP | \
845 WS_EX_LEFTSCROLLBAR | \
846 WS_EX_CONTROLPARENT | \
851 if(exstyle
& ~DUMPED_EX_STYLES
) TRACE(" %08lx", exstyle
& ~DUMPED_EX_STYLES
);
853 #undef DUMPED_EX_STYLES
857 /***********************************************************************
860 * Implementation of CreateWindowEx().
862 static HWND
WIN_CreateWindowEx( CREATESTRUCTA
*cs
, LPCWSTR className
, UINT flags
)
866 HWND hwnd
, parent
, owner
, top_child
= 0;
867 BOOL unicode
= (flags
& WIN_ISUNICODE
) != 0;
868 MDICREATESTRUCTA mdi_cs
;
870 TRACE("%s %s ex=%08x style=%08x %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
871 unicode
? debugstr_w((LPCWSTR
)cs
->lpszName
) : debugstr_a(cs
->lpszName
),
872 debugstr_w(className
),
873 cs
->dwExStyle
, cs
->style
, cs
->x
, cs
->y
, cs
->cx
, cs
->cy
,
874 cs
->hwndParent
, cs
->hMenu
, cs
->hInstance
, cs
->lpCreateParams
);
875 if(TRACE_ON(win
)) dump_window_styles( cs
->style
, cs
->dwExStyle
);
877 /* Fix the styles for MDI children */
878 if (cs
->dwExStyle
& WS_EX_MDICHILD
)
882 wndPtr
= WIN_GetPtr(cs
->hwndParent
);
883 if (wndPtr
&& wndPtr
!= WND_OTHER_PROCESS
&& wndPtr
!= WND_DESKTOP
)
885 flags
= wndPtr
->flags
;
886 WIN_ReleasePtr(wndPtr
);
889 if (!(flags
& WIN_ISMDICLIENT
))
891 WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs
->hwndParent
);
895 /* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children.
896 * MDICREATESTRUCT members have the originally passed values.
898 * Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW
899 * have the same layout.
901 mdi_cs
.szClass
= cs
->lpszClass
;
902 mdi_cs
.szTitle
= cs
->lpszName
;
903 mdi_cs
.hOwner
= cs
->hInstance
;
908 mdi_cs
.style
= cs
->style
;
909 mdi_cs
.lParam
= (LPARAM
)cs
->lpCreateParams
;
911 cs
->lpCreateParams
= (LPVOID
)&mdi_cs
;
913 if (GetWindowLongW(cs
->hwndParent
, GWL_STYLE
) & MDIS_ALLCHILDSTYLES
)
915 if (cs
->style
& WS_POPUP
)
917 TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n");
920 cs
->style
|= WS_CHILD
| WS_CLIPSIBLINGS
;
924 cs
->style
&= ~WS_POPUP
;
925 cs
->style
|= WS_CHILD
| WS_VISIBLE
| WS_CLIPSIBLINGS
| WS_CAPTION
|
926 WS_SYSMENU
| WS_THICKFRAME
| WS_MINIMIZEBOX
| WS_MAXIMIZEBOX
;
929 top_child
= GetWindow(cs
->hwndParent
, GW_CHILD
);
933 /* Restore current maximized child */
934 if((cs
->style
& WS_VISIBLE
) && IsZoomed(top_child
))
936 TRACE("Restoring current maximized child %p\n", top_child
);
937 SendMessageW( top_child
, WM_SETREDRAW
, FALSE
, 0 );
938 ShowWindow( top_child
, SW_SHOWNORMAL
);
939 SendMessageW( top_child
, WM_SETREDRAW
, TRUE
, 0 );
944 /* Find the parent window */
946 parent
= cs
->hwndParent
;
949 if (cs
->hwndParent
== HWND_MESSAGE
)
951 /* native ole32.OleInitialize uses HWND_MESSAGE to create the
952 * message window (style: WS_POPUP|WS_DISABLED)
954 FIXME("Parent is HWND_MESSAGE\n");
955 parent
= GetDesktopWindow();
957 else if (cs
->hwndParent
)
959 if ((cs
->style
& (WS_CHILD
|WS_POPUP
)) != WS_CHILD
)
961 parent
= GetDesktopWindow();
962 owner
= cs
->hwndParent
;
967 if ((cs
->style
& (WS_CHILD
|WS_POPUP
)) == WS_CHILD
)
969 WARN("No parent for child window\n" );
970 SetLastError(ERROR_TLW_WITH_WSCHILD
);
971 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
973 if (className
!= (LPCWSTR
)DESKTOP_CLASS_ATOM
) /* are we creating the desktop itself? */
974 parent
= GetDesktopWindow();
977 WIN_FixCoordinates(cs
, &sw
); /* fix default coordinates */
979 if ((cs
->dwExStyle
& WS_EX_DLGMODALFRAME
) ||
980 ((!(cs
->dwExStyle
& WS_EX_STATICEDGE
)) &&
981 (cs
->style
& (WS_DLGFRAME
| WS_THICKFRAME
))))
982 cs
->dwExStyle
|= WS_EX_WINDOWEDGE
;
984 cs
->dwExStyle
&= ~WS_EX_WINDOWEDGE
;
986 /* Create the window structure */
988 if (!(wndPtr
= create_window_handle( parent
, owner
, className
, cs
->hInstance
, unicode
)))
990 hwnd
= wndPtr
->hwndSelf
;
992 /* Fill the window structure */
994 wndPtr
->tid
= GetCurrentThreadId();
995 wndPtr
->hInstance
= cs
->hInstance
;
997 wndPtr
->dwStyle
= cs
->style
& ~WS_VISIBLE
;
998 wndPtr
->dwExStyle
= cs
->dwExStyle
;
1000 wndPtr
->helpContext
= 0;
1001 wndPtr
->pVScroll
= NULL
;
1002 wndPtr
->pHScroll
= NULL
;
1003 wndPtr
->userdata
= 0;
1005 wndPtr
->hIconSmall
= 0;
1006 wndPtr
->hSysMenu
= 0;
1007 wndPtr
->flags
|= (flags
& WIN_ISWIN32
);
1009 if (wndPtr
->dwStyle
& WS_SYSMENU
) SetSystemMenu( hwnd
, 0 );
1012 * Correct the window styles.
1014 * It affects only the style loaded into the WIN structure.
1017 if ((wndPtr
->dwStyle
& (WS_CHILD
| WS_POPUP
)) != WS_CHILD
)
1019 wndPtr
->dwStyle
|= WS_CLIPSIBLINGS
;
1020 if (!(wndPtr
->dwStyle
& WS_POPUP
))
1021 wndPtr
->dwStyle
|= WS_CAPTION
;
1025 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1026 * why does the user get to set it?
1029 if ((wndPtr
->dwExStyle
& WS_EX_DLGMODALFRAME
) ||
1030 (wndPtr
->dwStyle
& (WS_DLGFRAME
| WS_THICKFRAME
)))
1031 wndPtr
->dwExStyle
|= WS_EX_WINDOWEDGE
;
1033 wndPtr
->dwExStyle
&= ~WS_EX_WINDOWEDGE
;
1035 if (!(wndPtr
->dwStyle
& (WS_CHILD
| WS_POPUP
)))
1036 wndPtr
->flags
|= WIN_NEED_SIZE
;
1038 SERVER_START_REQ( set_window_info
)
1041 req
->flags
= SET_WIN_STYLE
| SET_WIN_EXSTYLE
| SET_WIN_INSTANCE
| SET_WIN_UNICODE
;
1042 req
->style
= wndPtr
->dwStyle
;
1043 req
->ex_style
= wndPtr
->dwExStyle
;
1044 req
->instance
= (void *)wndPtr
->hInstance
;
1045 req
->is_unicode
= (wndPtr
->flags
& WIN_ISUNICODE
) != 0;
1046 req
->extra_offset
= -1;
1047 wine_server_call( req
);
1051 /* Set the window menu */
1053 if ((wndPtr
->dwStyle
& (WS_CHILD
| WS_POPUP
)) != WS_CHILD
)
1057 if (!MENU_SetMenu(hwnd
, cs
->hMenu
))
1059 WIN_ReleasePtr( wndPtr
);
1060 free_window_handle( hwnd
);
1066 LPCSTR menuName
= (LPCSTR
)GetClassLongPtrA( hwnd
, GCLP_MENUNAME
);
1069 if (!cs
->hInstance
|| HIWORD(cs
->hInstance
))
1070 cs
->hMenu
= LoadMenuA(cs
->hInstance
,menuName
);
1072 cs
->hMenu
= HMENU_32(LoadMenu16(HINSTANCE_16(cs
->hInstance
),menuName
));
1074 if (cs
->hMenu
) MENU_SetMenu( hwnd
, cs
->hMenu
);
1078 else SetWindowLongPtrW( hwnd
, GWLP_ID
, (ULONG_PTR
)cs
->hMenu
);
1079 WIN_ReleasePtr( wndPtr
);
1081 if (!USER_Driver
->pCreateWindow( hwnd
, cs
, unicode
))
1083 WIN_DestroyWindow( hwnd
);
1087 /* Notify the parent window only */
1089 send_parent_notify( hwnd
, WM_CREATE
);
1090 if (!IsWindow( hwnd
)) return 0;
1092 if (cs
->style
& WS_VISIBLE
)
1094 if (cs
->style
& WS_MAXIMIZE
)
1096 else if (cs
->style
& WS_MINIMIZE
)
1097 sw
= SW_SHOWMINIMIZED
;
1099 ShowWindow( hwnd
, sw
);
1100 if (cs
->dwExStyle
& WS_EX_MDICHILD
)
1102 SendMessageW(cs
->hwndParent
, WM_MDIREFRESHMENU
, 0, 0);
1103 /* ShowWindow won't activate child windows */
1104 SetWindowPos( hwnd
, HWND_TOP
, 0, 0, 0, 0, SWP_SHOWWINDOW
| SWP_NOMOVE
| SWP_NOSIZE
);
1108 /* Call WH_SHELL hook */
1110 if (!(GetWindowLongW( hwnd
, GWL_STYLE
) & WS_CHILD
) && !GetWindow( hwnd
, GW_OWNER
))
1111 HOOK_CallHooks( WH_SHELL
, HSHELL_WINDOWCREATED
, (WPARAM
)hwnd
, 0, TRUE
);
1113 TRACE("created window %p\n", hwnd
);
1118 /***********************************************************************
1119 * CreateWindow (USER.41)
1121 HWND16 WINAPI
CreateWindow16( LPCSTR className
, LPCSTR windowName
,
1122 DWORD style
, INT16 x
, INT16 y
, INT16 width
,
1123 INT16 height
, HWND16 parent
, HMENU16 menu
,
1124 HINSTANCE16 instance
, LPVOID data
)
1126 return CreateWindowEx16( 0, className
, windowName
, style
,
1127 x
, y
, width
, height
, parent
, menu
, instance
, data
);
1131 /***********************************************************************
1132 * CreateWindowEx (USER.452)
1134 HWND16 WINAPI
CreateWindowEx16( DWORD exStyle
, LPCSTR className
,
1135 LPCSTR windowName
, DWORD style
, INT16 x
,
1136 INT16 y
, INT16 width
, INT16 height
,
1137 HWND16 parent
, HMENU16 menu
,
1138 HINSTANCE16 instance
, LPVOID data
)
1143 /* Fix the coordinates */
1145 cs
.x
= (x
== CW_USEDEFAULT16
) ? CW_USEDEFAULT
: (INT
)x
;
1146 cs
.y
= (y
== CW_USEDEFAULT16
) ? CW_USEDEFAULT
: (INT
)y
;
1147 cs
.cx
= (width
== CW_USEDEFAULT16
) ? CW_USEDEFAULT
: (INT
)width
;
1148 cs
.cy
= (height
== CW_USEDEFAULT16
) ? CW_USEDEFAULT
: (INT
)height
;
1150 /* Create the window */
1152 cs
.lpCreateParams
= data
;
1153 cs
.hInstance
= HINSTANCE_32(instance
);
1154 cs
.hMenu
= HMENU_32(menu
);
1155 cs
.hwndParent
= WIN_Handle32( parent
);
1157 cs
.lpszName
= windowName
;
1158 cs
.lpszClass
= className
;
1159 cs
.dwExStyle
= exStyle
;
1161 if (!IS_INTRESOURCE(className
))
1165 if (!MultiByteToWideChar( CP_ACP
, 0, className
, -1, bufferW
, sizeof(bufferW
)/sizeof(WCHAR
) ))
1167 return HWND_16( WIN_CreateWindowEx( &cs
, bufferW
, 0 ));
1171 if (!GlobalGetAtomNameA( LOWORD(className
), buffer
, sizeof(buffer
) ))
1173 ERR( "bad atom %x\n", LOWORD(className
));
1176 cs
.lpszClass
= buffer
;
1177 return HWND_16( WIN_CreateWindowEx( &cs
, (LPCWSTR
)className
, 0 ));
1182 /***********************************************************************
1183 * CreateWindowExA (USER32.@)
1185 HWND WINAPI
CreateWindowExA( DWORD exStyle
, LPCSTR className
,
1186 LPCSTR windowName
, DWORD style
, INT x
,
1187 INT y
, INT width
, INT height
,
1188 HWND parent
, HMENU menu
,
1189 HINSTANCE instance
, LPVOID data
)
1193 cs
.lpCreateParams
= data
;
1194 cs
.hInstance
= instance
;
1196 cs
.hwndParent
= parent
;
1202 cs
.lpszName
= windowName
;
1203 cs
.lpszClass
= className
;
1204 cs
.dwExStyle
= exStyle
;
1206 if (!IS_INTRESOURCE(className
))
1209 if (!MultiByteToWideChar( CP_ACP
, 0, className
, -1, bufferW
, sizeof(bufferW
)/sizeof(WCHAR
) ))
1211 return WIN_CreateWindowEx( &cs
, bufferW
, WIN_ISWIN32
);
1213 return WIN_CreateWindowEx( &cs
, (LPCWSTR
)className
, WIN_ISWIN32
);
1217 /***********************************************************************
1218 * CreateWindowExW (USER32.@)
1220 HWND WINAPI
CreateWindowExW( DWORD exStyle
, LPCWSTR className
,
1221 LPCWSTR windowName
, DWORD style
, INT x
,
1222 INT y
, INT width
, INT height
,
1223 HWND parent
, HMENU menu
,
1224 HINSTANCE instance
, LPVOID data
)
1228 cs
.lpCreateParams
= data
;
1229 cs
.hInstance
= instance
;
1231 cs
.hwndParent
= parent
;
1237 cs
.lpszName
= windowName
;
1238 cs
.lpszClass
= className
;
1239 cs
.dwExStyle
= exStyle
;
1241 /* Note: we rely on the fact that CREATESTRUCTA and */
1242 /* CREATESTRUCTW have the same layout. */
1243 return WIN_CreateWindowEx( (CREATESTRUCTA
*)&cs
, className
, WIN_ISWIN32
| WIN_ISUNICODE
);
1247 /***********************************************************************
1248 * WIN_SendDestroyMsg
1250 static void WIN_SendDestroyMsg( HWND hwnd
)
1254 if (GetGUIThreadInfo( GetCurrentThreadId(), &info
))
1256 if (hwnd
== info
.hwndCaret
) DestroyCaret();
1257 if (hwnd
== info
.hwndActive
) WINPOS_ActivateOtherWindow( hwnd
);
1261 * Send the WM_DESTROY to the window.
1263 SendMessageW( hwnd
, WM_DESTROY
, 0, 0);
1266 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1267 * make sure that the window still exists when we come back.
1274 if (!(pWndArray
= WIN_ListChildren( hwnd
))) return;
1276 for (i
= 0; pWndArray
[i
]; i
++)
1278 if (IsWindow( pWndArray
[i
] )) WIN_SendDestroyMsg( pWndArray
[i
] );
1280 HeapFree( GetProcessHeap(), 0, pWndArray
);
1283 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1287 /***********************************************************************
1288 * DestroyWindow (USER32.@)
1290 BOOL WINAPI
DestroyWindow( HWND hwnd
)
1294 if (!(hwnd
= WIN_IsCurrentThread( hwnd
)) || (hwnd
== GetDesktopWindow()))
1296 SetLastError( ERROR_ACCESS_DENIED
);
1300 TRACE("(%p)\n", hwnd
);
1304 if (HOOK_CallHooks( WH_CBT
, HCBT_DESTROYWND
, (WPARAM
)hwnd
, 0, TRUE
)) return FALSE
;
1306 if (MENU_IsMenuActive() == hwnd
)
1309 is_child
= (GetWindowLongW( hwnd
, GWL_STYLE
) & WS_CHILD
) != 0;
1313 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1314 send_parent_notify( hwnd
, WM_DESTROY
);
1316 else if (!GetWindow( hwnd
, GW_OWNER
))
1318 HOOK_CallHooks( WH_SHELL
, HSHELL_WINDOWDESTROYED
, (WPARAM
)hwnd
, 0L, TRUE
);
1319 /* FIXME: clean up palette - see "Internals" p.352 */
1322 if (!IsWindow(hwnd
)) return TRUE
;
1324 /* Hide the window */
1325 if (GetWindowLongW( hwnd
, GWL_STYLE
) & WS_VISIBLE
)
1327 /* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
1329 ShowWindow( hwnd
, SW_HIDE
);
1331 SetWindowPos( hwnd
, 0, 0, 0, 0, 0, SWP_NOMOVE
| SWP_NOSIZE
|
1332 SWP_NOZORDER
| SWP_NOACTIVATE
| SWP_HIDEWINDOW
);
1335 if (!IsWindow(hwnd
)) return TRUE
;
1337 /* Recursively destroy owned windows */
1344 HWND
*list
= WIN_ListChildren( GetDesktopWindow() );
1347 for (i
= 0; list
[i
]; i
++)
1349 if (GetWindow( list
[i
], GW_OWNER
) != hwnd
) continue;
1350 if (WIN_IsCurrentThread( list
[i
] ))
1352 DestroyWindow( list
[i
] );
1356 WIN_SetOwner( list
[i
], 0 );
1358 HeapFree( GetProcessHeap(), 0, list
);
1360 if (!got_one
) break;
1364 /* Send destroy messages */
1366 WIN_SendDestroyMsg( hwnd
);
1367 if (!IsWindow( hwnd
)) return TRUE
;
1369 if (GetClipboardOwner() == hwnd
)
1370 CLIPBOARD_ReleaseOwner();
1372 /* Destroy the window storage */
1374 WIN_DestroyWindow( hwnd
);
1379 /***********************************************************************
1380 * CloseWindow (USER32.@)
1382 BOOL WINAPI
CloseWindow( HWND hwnd
)
1384 if (GetWindowLongW( hwnd
, GWL_STYLE
) & WS_CHILD
) return FALSE
;
1385 ShowWindow( hwnd
, SW_MINIMIZE
);
1390 /***********************************************************************
1391 * OpenIcon (USER32.@)
1393 BOOL WINAPI
OpenIcon( HWND hwnd
)
1395 if (!IsIconic( hwnd
)) return FALSE
;
1396 ShowWindow( hwnd
, SW_SHOWNORMAL
);
1401 /***********************************************************************
1402 * FindWindowExW (USER32.@)
1404 HWND WINAPI
FindWindowExW( HWND parent
, HWND child
, LPCWSTR className
, LPCWSTR title
)
1409 WCHAR
*buffer
= NULL
;
1411 if (!parent
) parent
= GetDesktopWindow();
1414 len
= strlenW(title
) + 1; /* one extra char to check for chars beyond the end */
1415 if (!(buffer
= HeapAlloc( GetProcessHeap(), 0, (len
+ 1) * sizeof(WCHAR
) ))) return 0;
1418 if (!(list
= list_window_children( parent
, className
, 0 ))) goto done
;
1422 child
= WIN_GetFullHandle( child
);
1423 while (list
[i
] && list
[i
] != child
) i
++;
1424 if (!list
[i
]) goto done
;
1425 i
++; /* start from next window */
1432 if (GetWindowTextW( list
[i
], buffer
, len
+ 1 ) && !strcmpiW( buffer
, title
)) break;
1439 HeapFree( GetProcessHeap(), 0, list
);
1440 HeapFree( GetProcessHeap(), 0, buffer
);
1446 /***********************************************************************
1447 * FindWindowA (USER32.@)
1449 HWND WINAPI
FindWindowA( LPCSTR className
, LPCSTR title
)
1451 HWND ret
= FindWindowExA( 0, 0, className
, title
);
1452 if (!ret
) SetLastError (ERROR_CANNOT_FIND_WND_CLASS
);
1457 /***********************************************************************
1458 * FindWindowExA (USER32.@)
1460 HWND WINAPI
FindWindowExA( HWND parent
, HWND child
, LPCSTR className
, LPCSTR title
)
1462 LPWSTR titleW
= NULL
;
1467 DWORD len
= MultiByteToWideChar( CP_ACP
, 0, title
, -1, NULL
, 0 );
1468 if (!(titleW
= HeapAlloc( GetProcessHeap(), 0, len
* sizeof(WCHAR
) ))) return 0;
1469 MultiByteToWideChar( CP_ACP
, 0, title
, -1, titleW
, len
);
1472 if (!IS_INTRESOURCE(className
))
1475 if (MultiByteToWideChar( CP_ACP
, 0, className
, -1, classW
, sizeof(classW
)/sizeof(WCHAR
) ))
1476 hwnd
= FindWindowExW( parent
, child
, classW
, titleW
);
1480 hwnd
= FindWindowExW( parent
, child
, (LPCWSTR
)className
, titleW
);
1483 HeapFree( GetProcessHeap(), 0, titleW
);
1488 /***********************************************************************
1489 * FindWindowW (USER32.@)
1491 HWND WINAPI
FindWindowW( LPCWSTR className
, LPCWSTR title
)
1493 return FindWindowExW( 0, 0, className
, title
);
1497 /**********************************************************************
1498 * GetDesktopWindow (USER32.@)
1500 HWND WINAPI
GetDesktopWindow(void)
1502 struct user_thread_info
*thread_info
= get_user_thread_info();
1504 if (thread_info
->desktop
) return thread_info
->desktop
;
1506 SERVER_START_REQ( get_desktop_window
)
1509 if (!wine_server_call( req
)) thread_info
->desktop
= reply
->handle
;
1513 if (!thread_info
->desktop
)
1515 static const WCHAR command_line
[] = {'\\','e','x','p','l','o','r','e','r','.','e','x','e',' ','/','d','e','s','k','t','o','p',0};
1517 PROCESS_INFORMATION pi
;
1518 WCHAR cmdline
[MAX_PATH
+ sizeof(command_line
)/sizeof(WCHAR
)];
1520 memset( &si
, 0, sizeof(si
) );
1522 GetSystemDirectoryW( cmdline
, MAX_PATH
);
1523 lstrcatW( cmdline
, command_line
);
1524 if (CreateProcessW( NULL
, cmdline
, NULL
, NULL
, FALSE
, DETACHED_PROCESS
,
1525 NULL
, NULL
, &si
, &pi
))
1527 TRACE( "started explorer pid %04x tid %04x\n", pi
.dwProcessId
, pi
.dwThreadId
);
1528 WaitForInputIdle( pi
.hProcess
, 10000 );
1529 CloseHandle( pi
.hThread
);
1530 CloseHandle( pi
.hProcess
);
1533 else WARN( "failed to start explorer, err %d\n", GetLastError() );
1535 SERVER_START_REQ( get_desktop_window
)
1538 if (!wine_server_call( req
)) thread_info
->desktop
= reply
->handle
;
1543 if (!thread_info
->desktop
|| !USER_Driver
->pCreateDesktopWindow( thread_info
->desktop
))
1544 ERR( "failed to create desktop window\n" );
1546 return thread_info
->desktop
;
1550 /*******************************************************************
1551 * EnableWindow (USER32.@)
1553 BOOL WINAPI
EnableWindow( HWND hwnd
, BOOL enable
)
1558 if (is_broadcast(hwnd
))
1560 SetLastError( ERROR_INVALID_PARAMETER
);
1564 if (!(full_handle
= WIN_IsCurrentThread( hwnd
)))
1565 return SendMessageW( hwnd
, WM_WINE_ENABLEWINDOW
, enable
, 0 );
1569 TRACE("( %p, %d )\n", hwnd
, enable
);
1571 retvalue
= !IsWindowEnabled( hwnd
);
1573 if (enable
&& retvalue
)
1575 WIN_SetStyle( hwnd
, 0, WS_DISABLED
);
1576 SendMessageW( hwnd
, WM_ENABLE
, TRUE
, 0 );
1578 else if (!enable
&& !retvalue
)
1582 SendMessageW( hwnd
, WM_CANCELMODE
, 0, 0);
1584 WIN_SetStyle( hwnd
, WS_DISABLED
, 0 );
1586 if (hwnd
== GetFocus())
1587 SetFocus( 0 ); /* A disabled window can't have the focus */
1589 capture_wnd
= GetCapture();
1590 if (hwnd
== capture_wnd
|| IsChild(hwnd
, capture_wnd
))
1591 ReleaseCapture(); /* A disabled window can't capture the mouse */
1593 SendMessageW( hwnd
, WM_ENABLE
, FALSE
, 0 );
1599 /***********************************************************************
1600 * IsWindowEnabled (USER32.@)
1602 BOOL WINAPI
IsWindowEnabled(HWND hWnd
)
1604 return !(GetWindowLongW( hWnd
, GWL_STYLE
) & WS_DISABLED
);
1608 /***********************************************************************
1609 * IsWindowUnicode (USER32.@)
1611 BOOL WINAPI
IsWindowUnicode( HWND hwnd
)
1614 BOOL retvalue
= FALSE
;
1616 if (!(wndPtr
= WIN_GetPtr(hwnd
))) return FALSE
;
1618 if (wndPtr
== WND_DESKTOP
) return TRUE
;
1620 if (wndPtr
!= WND_OTHER_PROCESS
)
1622 retvalue
= (wndPtr
->flags
& WIN_ISUNICODE
) != 0;
1623 WIN_ReleasePtr( wndPtr
);
1627 SERVER_START_REQ( get_window_info
)
1630 if (!wine_server_call_err( req
)) retvalue
= reply
->is_unicode
;
1638 /**********************************************************************
1641 * Helper function for GetWindowLong().
1643 static LONG_PTR
WIN_GetWindowLong( HWND hwnd
, INT offset
, UINT size
, BOOL unicode
)
1645 LONG_PTR retvalue
= 0;
1648 if (offset
== GWLP_HWNDPARENT
)
1650 HWND parent
= GetAncestor( hwnd
, GA_PARENT
);
1651 if (parent
== GetDesktopWindow()) parent
= GetWindow( hwnd
, GW_OWNER
);
1652 return (ULONG_PTR
)parent
;
1655 if (!(wndPtr
= WIN_GetPtr( hwnd
)))
1657 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
1661 if (wndPtr
== WND_OTHER_PROCESS
|| wndPtr
== WND_DESKTOP
)
1663 if (offset
== GWLP_WNDPROC
)
1665 SetLastError( ERROR_ACCESS_DENIED
);
1668 SERVER_START_REQ( set_window_info
)
1671 req
->flags
= 0; /* don't set anything, just retrieve */
1672 req
->extra_offset
= (offset
>= 0) ? offset
: -1;
1673 req
->extra_size
= (offset
>= 0) ? size
: 0;
1674 if (!wine_server_call_err( req
))
1678 case GWL_STYLE
: retvalue
= reply
->old_style
; break;
1679 case GWL_EXSTYLE
: retvalue
= reply
->old_ex_style
; break;
1680 case GWLP_ID
: retvalue
= reply
->old_id
; break;
1681 case GWLP_HINSTANCE
: retvalue
= (ULONG_PTR
)reply
->old_instance
; break;
1682 case GWLP_USERDATA
: retvalue
= reply
->old_user_data
; break;
1684 if (offset
>= 0) retvalue
= get_win_data( &reply
->old_extra_value
, size
);
1685 else SetLastError( ERROR_INVALID_INDEX
);
1694 /* now we have a valid wndPtr */
1698 if (offset
> (int)(wndPtr
->cbWndExtra
- size
))
1700 WARN("Invalid offset %d\n", offset
);
1701 WIN_ReleasePtr( wndPtr
);
1702 SetLastError( ERROR_INVALID_INDEX
);
1705 retvalue
= get_win_data( (char *)wndPtr
->wExtra
+ offset
, size
);
1707 /* Special case for dialog window procedure */
1708 if ((offset
== DWLP_DLGPROC
) && (size
== sizeof(LONG_PTR
)) && (wndPtr
->flags
& WIN_ISDIALOG
))
1709 retvalue
= (LONG_PTR
)WINPROC_GetProc( (WNDPROC
)retvalue
, unicode
);
1710 WIN_ReleasePtr( wndPtr
);
1716 case GWLP_USERDATA
: retvalue
= wndPtr
->userdata
; break;
1717 case GWL_STYLE
: retvalue
= wndPtr
->dwStyle
; break;
1718 case GWL_EXSTYLE
: retvalue
= wndPtr
->dwExStyle
; break;
1719 case GWLP_ID
: retvalue
= (ULONG_PTR
)wndPtr
->wIDmenu
; break;
1720 case GWLP_HINSTANCE
: retvalue
= (ULONG_PTR
)wndPtr
->hInstance
; break;
1722 /* This looks like a hack only for the edit control (see tests). This makes these controls
1723 * more tolerant to A/W mismatches. The lack of W->A->W conversion for such a mismatch suggests
1724 * that the hack is in GetWindowLongPtr[AW], not in winprocs.
1726 if (wndPtr
->winproc
== EDIT_winproc_handle
&& (!unicode
!= !(wndPtr
->flags
& WIN_ISUNICODE
)))
1727 retvalue
= (ULONG_PTR
)wndPtr
->winproc
;
1729 retvalue
= (ULONG_PTR
)WINPROC_GetProc( wndPtr
->winproc
, unicode
);
1732 WARN("Unknown offset %d\n", offset
);
1733 SetLastError( ERROR_INVALID_INDEX
);
1736 WIN_ReleasePtr(wndPtr
);
1741 /**********************************************************************
1744 * Helper function for SetWindowLong().
1746 * 0 is the failure code. However, in the case of failure SetLastError
1747 * must be set to distinguish between a 0 return value and a failure.
1749 LONG_PTR
WIN_SetWindowLong( HWND hwnd
, INT offset
, UINT size
, LONG_PTR newval
, BOOL unicode
)
1753 LONG_PTR retval
= 0;
1756 TRACE( "%p %d %lx %c\n", hwnd
, offset
, newval
, unicode
? 'W' : 'A' );
1758 if (is_broadcast(hwnd
))
1760 SetLastError( ERROR_INVALID_PARAMETER
);
1764 if (!(wndPtr
= WIN_GetPtr( hwnd
)))
1766 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
1769 if (wndPtr
== WND_DESKTOP
)
1771 /* can't change anything on the desktop window */
1772 SetLastError( ERROR_ACCESS_DENIED
);
1775 if (wndPtr
== WND_OTHER_PROCESS
)
1777 if (offset
== GWLP_WNDPROC
)
1779 SetLastError( ERROR_ACCESS_DENIED
);
1782 if (offset
> 32767 || offset
< -32767)
1784 SetLastError( ERROR_INVALID_INDEX
);
1787 return SendMessageW( hwnd
, WM_WINE_SETWINDOWLONG
, MAKEWPARAM( offset
, size
), newval
);
1790 /* first some special cases */
1796 offset
== GWL_STYLE
? wndPtr
->dwStyle
: wndPtr
->dwExStyle
;
1797 style
.styleNew
= newval
;
1798 WIN_ReleasePtr( wndPtr
);
1799 SendMessageW( hwnd
, WM_STYLECHANGING
, offset
, (LPARAM
)&style
);
1800 if (!(wndPtr
= WIN_GetPtr( hwnd
)) || wndPtr
== WND_OTHER_PROCESS
) return 0;
1801 newval
= style
.styleNew
;
1803 case GWLP_HWNDPARENT
:
1804 if (wndPtr
->parent
== GetDesktopWindow())
1806 WIN_ReleasePtr( wndPtr
);
1807 return (ULONG_PTR
)WIN_SetOwner( hwnd
, (HWND
)newval
);
1811 WIN_ReleasePtr( wndPtr
);
1812 return (ULONG_PTR
)SetParent( hwnd
, (HWND
)newval
);
1817 UINT old_flags
= wndPtr
->flags
;
1818 retval
= WIN_GetWindowLong( hwnd
, offset
, size
, unicode
);
1819 if (unicode
) proc
= WINPROC_AllocProc( NULL
, (WNDPROC
)newval
);
1820 else proc
= WINPROC_AllocProc( (WNDPROC
)newval
, NULL
);
1821 if (proc
) wndPtr
->winproc
= proc
;
1822 if (WINPROC_IsUnicode( proc
, unicode
)) wndPtr
->flags
|= WIN_ISUNICODE
;
1823 else wndPtr
->flags
&= ~WIN_ISUNICODE
;
1824 if (!((old_flags
^ wndPtr
->flags
) & WIN_ISUNICODE
))
1826 WIN_ReleasePtr( wndPtr
);
1829 /* update is_unicode flag on the server side */
1833 case GWLP_HINSTANCE
:
1837 if ((wndPtr
->cbWndExtra
- sizeof(LONG_PTR
) >= DWLP_DLGPROC
) &&
1838 (size
== sizeof(LONG_PTR
)) && (wndPtr
->flags
& WIN_ISDIALOG
))
1840 WNDPROC
*ptr
= (WNDPROC
*)((char *)wndPtr
->wExtra
+ DWLP_DLGPROC
);
1841 retval
= (ULONG_PTR
)WINPROC_GetProc( *ptr
, unicode
);
1842 if (unicode
) *ptr
= WINPROC_AllocProc( NULL
, (WNDPROC
)newval
);
1843 else *ptr
= WINPROC_AllocProc( (WNDPROC
)newval
, NULL
);
1844 WIN_ReleasePtr( wndPtr
);
1849 if (offset
< 0 || offset
> (int)(wndPtr
->cbWndExtra
- size
))
1851 WARN("Invalid offset %d\n", offset
);
1852 WIN_ReleasePtr( wndPtr
);
1853 SetLastError( ERROR_INVALID_INDEX
);
1856 else if (get_win_data( (char *)wndPtr
->wExtra
+ offset
, size
) == newval
)
1858 /* already set to the same value */
1859 WIN_ReleasePtr( wndPtr
);
1865 SERVER_START_REQ( set_window_info
)
1868 req
->extra_offset
= -1;
1872 req
->flags
= SET_WIN_STYLE
;
1873 req
->style
= newval
;
1876 req
->flags
= SET_WIN_EXSTYLE
;
1877 /* WS_EX_TOPMOST can only be changed through SetWindowPos */
1878 newval
= (newval
& ~WS_EX_TOPMOST
) | (wndPtr
->dwExStyle
& WS_EX_TOPMOST
);
1879 req
->ex_style
= newval
;
1882 req
->flags
= SET_WIN_ID
;
1885 case GWLP_HINSTANCE
:
1886 req
->flags
= SET_WIN_INSTANCE
;
1887 req
->instance
= (void *)newval
;
1890 req
->flags
= SET_WIN_UNICODE
;
1891 req
->is_unicode
= (wndPtr
->flags
& WIN_ISUNICODE
) != 0;
1894 req
->flags
= SET_WIN_USERDATA
;
1895 req
->user_data
= newval
;
1898 req
->flags
= SET_WIN_EXTRA
;
1899 req
->extra_offset
= offset
;
1900 req
->extra_size
= size
;
1901 set_win_data( &req
->extra_value
, newval
, size
);
1903 if ((ok
= !wine_server_call_err( req
)))
1908 wndPtr
->dwStyle
= newval
;
1909 retval
= reply
->old_style
;
1912 wndPtr
->dwExStyle
= newval
;
1913 retval
= reply
->old_ex_style
;
1916 wndPtr
->wIDmenu
= newval
;
1917 retval
= reply
->old_id
;
1919 case GWLP_HINSTANCE
:
1920 wndPtr
->hInstance
= (HINSTANCE
)newval
;
1921 retval
= (ULONG_PTR
)reply
->old_instance
;
1926 wndPtr
->userdata
= newval
;
1927 retval
= reply
->old_user_data
;
1930 retval
= get_win_data( (char *)wndPtr
->wExtra
+ offset
, size
);
1931 set_win_data( (char *)wndPtr
->wExtra
+ offset
, newval
, size
);
1937 WIN_ReleasePtr( wndPtr
);
1941 if (offset
== GWL_STYLE
) USER_Driver
->pSetWindowStyle( hwnd
, retval
);
1943 if (offset
== GWL_STYLE
|| offset
== GWL_EXSTYLE
)
1944 SendMessageW( hwnd
, WM_STYLECHANGED
, offset
, (LPARAM
)&style
);
1950 /**********************************************************************
1951 * GetWindowLong (USER.135)
1953 LONG WINAPI
GetWindowLong16( HWND16 hwnd
, INT16 offset
)
1957 BOOL is_winproc
= (offset
== GWLP_WNDPROC
);
1961 if (!(wndPtr
= WIN_GetPtr( WIN_Handle32(hwnd
) )))
1963 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
1966 if (wndPtr
!= WND_OTHER_PROCESS
&& wndPtr
!= WND_DESKTOP
)
1968 if (offset
> (int)(wndPtr
->cbWndExtra
- sizeof(LONG
)))
1971 * Some programs try to access last element from 16 bit
1972 * code using illegal offset value. Hopefully this is
1973 * what those programs really expect.
1975 if (wndPtr
->cbWndExtra
>= 4 && offset
== wndPtr
->cbWndExtra
- sizeof(WORD
))
1977 INT offset2
= wndPtr
->cbWndExtra
- sizeof(LONG
);
1978 ERR( "- replaced invalid offset %d with %d\n", offset
, offset2
);
1983 WARN("Invalid offset %d\n", offset
);
1984 WIN_ReleasePtr( wndPtr
);
1985 SetLastError( ERROR_INVALID_INDEX
);
1989 is_winproc
= ((offset
== DWLP_DLGPROC
) && (wndPtr
->flags
& WIN_ISDIALOG
));
1990 WIN_ReleasePtr( wndPtr
);
1993 retvalue
= GetWindowLongA( WIN_Handle32(hwnd
), offset
);
1994 if (is_winproc
) retvalue
= (LONG_PTR
)WINPROC_GetProc16( (WNDPROC
)retvalue
, FALSE
);
1999 /**********************************************************************
2000 * GetWindowWord (USER32.@)
2002 WORD WINAPI
GetWindowWord( HWND hwnd
, INT offset
)
2007 case GWLP_HINSTANCE
:
2008 case GWLP_HWNDPARENT
:
2013 WARN("Invalid offset %d\n", offset
);
2014 SetLastError( ERROR_INVALID_INDEX
);
2019 return WIN_GetWindowLong( hwnd
, offset
, sizeof(WORD
), FALSE
);
2023 /**********************************************************************
2024 * GetWindowLongA (USER32.@)
2026 LONG WINAPI
GetWindowLongA( HWND hwnd
, INT offset
)
2028 return WIN_GetWindowLong( hwnd
, offset
, sizeof(LONG
), FALSE
);
2032 /**********************************************************************
2033 * GetWindowLongW (USER32.@)
2035 LONG WINAPI
GetWindowLongW( HWND hwnd
, INT offset
)
2037 return WIN_GetWindowLong( hwnd
, offset
, sizeof(LONG
), TRUE
);
2041 /**********************************************************************
2042 * SetWindowLong (USER.136)
2044 LONG WINAPI
SetWindowLong16( HWND16 hwnd
, INT16 offset
, LONG newval
)
2047 BOOL is_winproc
= (offset
== GWLP_WNDPROC
);
2049 if (offset
== DWLP_DLGPROC
)
2051 if (!(wndPtr
= WIN_GetPtr( WIN_Handle32(hwnd
) )))
2053 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
2056 if (wndPtr
!= WND_OTHER_PROCESS
&& wndPtr
!= WND_DESKTOP
)
2058 is_winproc
= ((wndPtr
->cbWndExtra
- sizeof(LONG_PTR
) >= DWLP_DLGPROC
) &&
2059 (wndPtr
->flags
& WIN_ISDIALOG
));
2060 WIN_ReleasePtr( wndPtr
);
2066 WNDPROC new_proc
= WINPROC_AllocProc16( (WNDPROC16
)newval
);
2067 WNDPROC old_proc
= (WNDPROC
)SetWindowLongPtrA( WIN_Handle32(hwnd
), offset
, (LONG_PTR
)new_proc
);
2068 return (LONG
)WINPROC_GetProc16( (WNDPROC
)old_proc
, FALSE
);
2070 else return SetWindowLongA( WIN_Handle32(hwnd
), offset
, newval
);
2074 /**********************************************************************
2075 * SetWindowWord (USER32.@)
2077 WORD WINAPI
SetWindowWord( HWND hwnd
, INT offset
, WORD newval
)
2082 case GWLP_HINSTANCE
:
2083 case GWLP_HWNDPARENT
:
2088 WARN("Invalid offset %d\n", offset
);
2089 SetLastError( ERROR_INVALID_INDEX
);
2094 return WIN_SetWindowLong( hwnd
, offset
, sizeof(WORD
), newval
, FALSE
);
2098 /**********************************************************************
2099 * SetWindowLongA (USER32.@)
2101 * See SetWindowLongW.
2103 LONG WINAPI
SetWindowLongA( HWND hwnd
, INT offset
, LONG newval
)
2105 return WIN_SetWindowLong( hwnd
, offset
, sizeof(LONG
), newval
, FALSE
);
2109 /**********************************************************************
2110 * SetWindowLongW (USER32.@) Set window attribute
2112 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2113 * value in a window's extra memory.
2115 * The _hwnd_ parameter specifies the window. is the handle to a
2116 * window that has extra memory. The _newval_ parameter contains the
2117 * new attribute or extra memory value. If positive, the _offset_
2118 * parameter is the byte-addressed location in the window's extra
2119 * memory to set. If negative, _offset_ specifies the window
2120 * attribute to set, and should be one of the following values:
2122 * GWL_EXSTYLE The window's extended window style
2124 * GWL_STYLE The window's window style.
2126 * GWLP_WNDPROC Pointer to the window's window procedure.
2128 * GWLP_HINSTANCE The window's pplication instance handle.
2130 * GWLP_ID The window's identifier.
2132 * GWLP_USERDATA The window's user-specified data.
2134 * If the window is a dialog box, the _offset_ parameter can be one of
2135 * the following values:
2137 * DWLP_DLGPROC The address of the window's dialog box procedure.
2139 * DWLP_MSGRESULT The return value of a message
2140 * that the dialog box procedure processed.
2142 * DWLP_USER Application specific information.
2146 * If successful, returns the previous value located at _offset_. Otherwise,
2151 * Extra memory for a window class is specified by a nonzero cbWndExtra
2152 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2153 * time of class creation.
2155 * Using GWL_WNDPROC to set a new window procedure effectively creates
2156 * a window subclass. Use CallWindowProc() in the new windows procedure
2157 * to pass messages to the superclass's window procedure.
2159 * The user data is reserved for use by the application which created
2162 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2163 * instead, call the EnableWindow() function to change the window's
2166 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2167 * SetParent() instead.
2170 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2171 * it sends WM_STYLECHANGING before changing the settings
2172 * and WM_STYLECHANGED afterwards.
2173 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2175 LONG WINAPI
SetWindowLongW(
2176 HWND hwnd
, /* [in] window to alter */
2177 INT offset
, /* [in] offset, in bytes, of location to alter */
2178 LONG newval
/* [in] new value of location */
2180 return WIN_SetWindowLong( hwnd
, offset
, sizeof(LONG
), newval
, TRUE
);
2184 /*******************************************************************
2185 * GetWindowTextA (USER32.@)
2187 INT WINAPI
GetWindowTextA( HWND hwnd
, LPSTR lpString
, INT nMaxCount
)
2191 if (!lpString
) return 0;
2193 if (WIN_IsCurrentProcess( hwnd
))
2194 return (INT
)SendMessageA( hwnd
, WM_GETTEXT
, nMaxCount
, (LPARAM
)lpString
);
2196 /* when window belongs to other process, don't send a message */
2197 if (nMaxCount
<= 0) return 0;
2198 if (!(buffer
= HeapAlloc( GetProcessHeap(), 0, nMaxCount
* sizeof(WCHAR
) ))) return 0;
2199 get_server_window_text( hwnd
, buffer
, nMaxCount
);
2200 if (!WideCharToMultiByte( CP_ACP
, 0, buffer
, -1, lpString
, nMaxCount
, NULL
, NULL
))
2201 lpString
[nMaxCount
-1] = 0;
2202 HeapFree( GetProcessHeap(), 0, buffer
);
2203 return strlen(lpString
);
2207 /*******************************************************************
2208 * InternalGetWindowText (USER32.@)
2210 INT WINAPI
InternalGetWindowText(HWND hwnd
,LPWSTR lpString
,INT nMaxCount
)
2214 if (nMaxCount
<= 0) return 0;
2215 if (!(win
= WIN_GetPtr( hwnd
))) return 0;
2216 if (win
== WND_DESKTOP
) lpString
[0] = 0;
2217 else if (win
!= WND_OTHER_PROCESS
)
2219 if (win
->text
) lstrcpynW( lpString
, win
->text
, nMaxCount
);
2220 else lpString
[0] = 0;
2221 WIN_ReleasePtr( win
);
2225 get_server_window_text( hwnd
, lpString
, nMaxCount
);
2227 return strlenW(lpString
);
2231 /*******************************************************************
2232 * GetWindowTextW (USER32.@)
2234 INT WINAPI
GetWindowTextW( HWND hwnd
, LPWSTR lpString
, INT nMaxCount
)
2236 if (!lpString
) return 0;
2238 if (WIN_IsCurrentProcess( hwnd
))
2239 return (INT
)SendMessageW( hwnd
, WM_GETTEXT
, nMaxCount
, (LPARAM
)lpString
);
2241 /* when window belongs to other process, don't send a message */
2242 if (nMaxCount
<= 0) return 0;
2243 get_server_window_text( hwnd
, lpString
, nMaxCount
);
2244 return strlenW(lpString
);
2248 /*******************************************************************
2249 * SetWindowTextA (USER32.@)
2250 * SetWindowText (USER32.@)
2252 BOOL WINAPI
SetWindowTextA( HWND hwnd
, LPCSTR lpString
)
2254 if (is_broadcast(hwnd
))
2256 SetLastError( ERROR_INVALID_PARAMETER
);
2259 if (!WIN_IsCurrentProcess( hwnd
))
2260 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2261 debugstr_a(lpString
), hwnd
);
2262 return (BOOL
)SendMessageA( hwnd
, WM_SETTEXT
, 0, (LPARAM
)lpString
);
2266 /*******************************************************************
2267 * SetWindowTextW (USER32.@)
2269 BOOL WINAPI
SetWindowTextW( HWND hwnd
, LPCWSTR lpString
)
2271 if (is_broadcast(hwnd
))
2273 SetLastError( ERROR_INVALID_PARAMETER
);
2276 if (!WIN_IsCurrentProcess( hwnd
))
2277 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2278 debugstr_w(lpString
), hwnd
);
2279 return (BOOL
)SendMessageW( hwnd
, WM_SETTEXT
, 0, (LPARAM
)lpString
);
2283 /*******************************************************************
2284 * GetWindowTextLengthA (USER32.@)
2286 INT WINAPI
GetWindowTextLengthA( HWND hwnd
)
2288 return SendMessageA( hwnd
, WM_GETTEXTLENGTH
, 0, 0 );
2291 /*******************************************************************
2292 * GetWindowTextLengthW (USER32.@)
2294 INT WINAPI
GetWindowTextLengthW( HWND hwnd
)
2296 return SendMessageW( hwnd
, WM_GETTEXTLENGTH
, 0, 0 );
2300 /*******************************************************************
2301 * IsWindow (USER32.@)
2303 BOOL WINAPI
IsWindow( HWND hwnd
)
2308 if (!(ptr
= WIN_GetPtr( hwnd
))) return FALSE
;
2309 if (ptr
== WND_DESKTOP
) return TRUE
;
2311 if (ptr
!= WND_OTHER_PROCESS
)
2313 WIN_ReleasePtr( ptr
);
2317 /* check other processes */
2318 SERVER_START_REQ( get_window_info
)
2321 ret
= !wine_server_call_err( req
);
2328 /***********************************************************************
2329 * GetWindowThreadProcessId (USER32.@)
2331 DWORD WINAPI
GetWindowThreadProcessId( HWND hwnd
, LPDWORD process
)
2336 if (!(ptr
= WIN_GetPtr( hwnd
)))
2338 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
2342 if (ptr
!= WND_OTHER_PROCESS
&& ptr
!= WND_DESKTOP
)
2344 /* got a valid window */
2346 if (process
) *process
= GetCurrentProcessId();
2347 WIN_ReleasePtr( ptr
);
2351 /* check other processes */
2352 SERVER_START_REQ( get_window_info
)
2355 if (!wine_server_call_err( req
))
2357 tid
= (DWORD
)reply
->tid
;
2358 if (process
) *process
= (DWORD
)reply
->pid
;
2366 /*****************************************************************
2367 * GetParent (USER32.@)
2369 HWND WINAPI
GetParent( HWND hwnd
)
2374 if (!(wndPtr
= WIN_GetPtr( hwnd
)))
2376 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
2379 if (wndPtr
== WND_DESKTOP
) return 0;
2380 if (wndPtr
== WND_OTHER_PROCESS
)
2382 LONG style
= GetWindowLongW( hwnd
, GWL_STYLE
);
2383 if (style
& (WS_POPUP
| WS_CHILD
))
2385 SERVER_START_REQ( get_window_tree
)
2388 if (!wine_server_call_err( req
))
2390 if (style
& WS_POPUP
) retvalue
= reply
->owner
;
2391 else if (style
& WS_CHILD
) retvalue
= reply
->parent
;
2399 if (wndPtr
->dwStyle
& WS_POPUP
) retvalue
= wndPtr
->owner
;
2400 else if (wndPtr
->dwStyle
& WS_CHILD
) retvalue
= wndPtr
->parent
;
2401 WIN_ReleasePtr( wndPtr
);
2407 /*****************************************************************
2408 * GetAncestor (USER32.@)
2410 HWND WINAPI
GetAncestor( HWND hwnd
, UINT type
)
2413 HWND
*list
, ret
= 0;
2418 if (!(win
= WIN_GetPtr( hwnd
)))
2420 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
2423 if (win
== WND_DESKTOP
) return 0;
2424 if (win
!= WND_OTHER_PROCESS
)
2427 WIN_ReleasePtr( win
);
2429 else /* need to query the server */
2431 SERVER_START_REQ( get_window_tree
)
2434 if (!wine_server_call_err( req
)) ret
= reply
->parent
;
2441 if (!(list
= list_window_parents( hwnd
))) return 0;
2443 if (!list
[0] || !list
[1]) ret
= WIN_GetFullHandle( hwnd
); /* top-level window */
2447 while (list
[count
]) count
++;
2448 ret
= list
[count
- 2]; /* get the one before the desktop */
2450 HeapFree( GetProcessHeap(), 0, list
);
2454 if ((ret
= WIN_GetFullHandle( hwnd
)) == GetDesktopWindow()) return 0;
2457 HWND parent
= GetParent( ret
);
2467 /*****************************************************************
2468 * SetParent (USER32.@)
2470 HWND WINAPI
SetParent( HWND hwnd
, HWND parent
)
2473 HWND old_parent
= 0;
2478 if (is_broadcast(hwnd
) || is_broadcast(parent
))
2480 SetLastError(ERROR_INVALID_PARAMETER
);
2484 if (!parent
) parent
= GetDesktopWindow();
2485 else parent
= WIN_GetFullHandle( parent
);
2487 if (!IsWindow( parent
))
2489 SetLastError( ERROR_INVALID_WINDOW_HANDLE
);
2493 /* Some applications try to set a child as a parent */
2494 if (IsChild(hwnd
, parent
))
2496 SetLastError( ERROR_INVALID_PARAMETER
);
2500 if (!(full_handle
= WIN_IsCurrentThread( hwnd
)))
2501 return (HWND
)SendMessageW( hwnd
, WM_WINE_SETPARENT
, (WPARAM
)parent
, 0 );
2503 /* Windows hides the window first, then shows it again
2504 * including the WM_SHOWWINDOW messages and all */
2505 was_visible
= ShowWindow( hwnd
, SW_HIDE
);
2507 wndPtr
= WIN_GetPtr( hwnd
);
2508 if (!wndPtr
|| wndPtr
== WND_OTHER_PROCESS
|| wndPtr
== WND_DESKTOP
) return 0;
2510 SERVER_START_REQ( set_parent
)
2513 req
->parent
= parent
;
2514 if ((ret
= !wine_server_call( req
)))
2516 old_parent
= reply
->old_parent
;
2517 wndPtr
->parent
= parent
= reply
->full_parent
;
2522 WIN_ReleasePtr( wndPtr
);
2525 USER_Driver
->pSetParent( full_handle
, parent
, old_parent
);
2527 /* SetParent additionally needs to make hwnd the topmost window
2528 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2529 WM_WINDOWPOSCHANGED notification messages.
2531 SetWindowPos( hwnd
, HWND_TOP
, 0, 0, 0, 0,
2532 SWP_NOACTIVATE
| SWP_NOMOVE
| SWP_NOSIZE
| (was_visible
? SWP_SHOWWINDOW
: 0) );
2533 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2534 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2540 /*******************************************************************
2541 * IsChild (USER32.@)
2543 BOOL WINAPI
IsChild( HWND parent
, HWND child
)
2545 HWND
*list
= list_window_parents( child
);
2549 if (!list
) return FALSE
;
2550 parent
= WIN_GetFullHandle( parent
);
2551 for (i
= 0; list
[i
]; i
++) if (list
[i
] == parent
) break;
2552 ret
= list
[i
] && list
[i
+1];
2553 HeapFree( GetProcessHeap(), 0, list
);
2558 /***********************************************************************
2559 * IsWindowVisible (USER32.@)
2561 BOOL WINAPI
IsWindowVisible( HWND hwnd
)
2567 if (!(GetWindowLongW( hwnd
, GWL_STYLE
) & WS_VISIBLE
)) return FALSE
;
2568 if (!(list
= list_window_parents( hwnd
))) return TRUE
;
2569 if (list
[0] && list
[1]) /* desktop window is considered always visible so we don't check it */
2571 for (i
= 0; list
[i
+1]; i
++)
2572 if (!(GetWindowLongW( list
[i
], GWL_STYLE
) & WS_VISIBLE
)) break;
2573 retval
= !list
[i
+1];
2575 HeapFree( GetProcessHeap(), 0, list
);
2580 /***********************************************************************
2581 * WIN_IsWindowDrawable
2583 * hwnd is drawable when it is visible, all parents are not
2584 * minimized, and it is itself not minimized unless we are
2585 * trying to draw its default class icon.
2587 BOOL
WIN_IsWindowDrawable( HWND hwnd
, BOOL icon
)
2592 LONG style
= GetWindowLongW( hwnd
, GWL_STYLE
);
2594 if (!(style
& WS_VISIBLE
)) return FALSE
;
2595 if ((style
& WS_MINIMIZE
) && icon
&& GetClassLongPtrW( hwnd
, GCLP_HICON
)) return FALSE
;
2597 if (!(list
= list_window_parents( hwnd
))) return TRUE
;
2598 if (list
[0] && list
[1]) /* desktop window is considered always visible so we don't check it */
2600 for (i
= 0; list
[i
+1]; i
++)
2601 if ((GetWindowLongW( list
[i
], GWL_STYLE
) & (WS_VISIBLE
|WS_MINIMIZE
)) != WS_VISIBLE
)
2603 retval
= !list
[i
+1];
2605 HeapFree( GetProcessHeap(), 0, list
);
2610 /*******************************************************************
2611 * GetTopWindow (USER32.@)
2613 HWND WINAPI
GetTopWindow( HWND hwnd
)
2615 if (!hwnd
) hwnd
= GetDesktopWindow();
2616 return GetWindow( hwnd
, GW_CHILD
);
2620 /*******************************************************************
2621 * GetWindow (USER32.@)
2623 HWND WINAPI
GetWindow( HWND hwnd
, UINT rel
)
2627 if (rel
== GW_OWNER
) /* this one may be available locally */
2629 WND
*wndPtr
= WIN_GetPtr( hwnd
);
2632 SetLastError( ERROR_INVALID_HANDLE
);
2635 if (wndPtr
== WND_DESKTOP
) return 0;
2636 if (wndPtr
!= WND_OTHER_PROCESS
)
2638 retval
= wndPtr
->owner
;
2639 WIN_ReleasePtr( wndPtr
);
2642 /* else fall through to server call */
2645 SERVER_START_REQ( get_window_tree
)
2648 if (!wine_server_call_err( req
))
2653 retval
= reply
->first_sibling
;
2656 retval
= reply
->last_sibling
;
2659 retval
= reply
->next_sibling
;
2662 retval
= reply
->prev_sibling
;
2665 retval
= reply
->owner
;
2668 retval
= reply
->first_child
;
2678 /*******************************************************************
2679 * ShowOwnedPopups (USER32.@)
2681 BOOL WINAPI
ShowOwnedPopups( HWND owner
, BOOL fShow
)
2685 HWND
*win_array
= WIN_ListChildren( GetDesktopWindow() );
2687 if (!win_array
) return TRUE
;
2689 while (win_array
[count
]) count
++;
2690 while (--count
>= 0)
2692 if (GetWindow( win_array
[count
], GW_OWNER
) != owner
) continue;
2693 if (!(pWnd
= WIN_GetPtr( win_array
[count
] ))) continue;
2694 if (pWnd
== WND_OTHER_PROCESS
) continue;
2697 if (pWnd
->flags
& WIN_NEEDS_SHOW_OWNEDPOPUP
)
2699 WIN_ReleasePtr( pWnd
);
2700 /* In Windows, ShowOwnedPopups(TRUE) generates
2701 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
2702 * regardless of the state of the owner
2704 SendMessageW(win_array
[count
], WM_SHOWWINDOW
, SW_SHOWNORMAL
, SW_PARENTOPENING
);
2710 if (pWnd
->dwStyle
& WS_VISIBLE
)
2712 WIN_ReleasePtr( pWnd
);
2713 /* In Windows, ShowOwnedPopups(FALSE) generates
2714 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2715 * regardless of the state of the owner
2717 SendMessageW(win_array
[count
], WM_SHOWWINDOW
, SW_HIDE
, SW_PARENTCLOSING
);
2721 WIN_ReleasePtr( pWnd
);
2723 HeapFree( GetProcessHeap(), 0, win_array
);
2728 /*******************************************************************
2729 * GetLastActivePopup (USER32.@)
2731 HWND WINAPI
GetLastActivePopup( HWND hwnd
)
2735 SERVER_START_REQ( get_window_info
)
2738 if (!wine_server_call_err( req
)) retval
= reply
->last_active
;
2745 /*******************************************************************
2748 * Build an array of the children of a given window. The array must be
2749 * freed with HeapFree. Returns NULL when no windows are found.
2751 HWND
*WIN_ListChildren( HWND hwnd
)
2753 return list_window_children( hwnd
, NULL
, 0 );
2757 /*******************************************************************
2758 * EnumWindows (USER32.@)
2760 BOOL WINAPI
EnumWindows( WNDENUMPROC lpEnumFunc
, LPARAM lParam
)
2762 return EnumDesktopWindows(NULL
, lpEnumFunc
, lParam
);
2766 /**********************************************************************
2767 * EnumThreadWindows (USER32.@)
2769 BOOL WINAPI
EnumThreadWindows( DWORD id
, WNDENUMPROC func
, LPARAM lParam
)
2774 USER_CheckNotLock();
2776 if (!(list
= list_window_children( GetDesktopWindow(), NULL
, id
))) return TRUE
;
2778 /* Now call the callback function for every window */
2780 for (i
= 0; list
[i
]; i
++)
2781 if (!func( list
[i
], lParam
)) break;
2782 HeapFree( GetProcessHeap(), 0, list
);
2787 /**********************************************************************
2788 * WIN_EnumChildWindows
2790 * Helper function for EnumChildWindows().
2792 static BOOL
WIN_EnumChildWindows( HWND
*list
, WNDENUMPROC func
, LPARAM lParam
)
2797 for ( ; *list
; list
++)
2799 /* Make sure that the window still exists */
2800 if (!IsWindow( *list
)) continue;
2801 /* Build children list first */
2802 childList
= WIN_ListChildren( *list
);
2804 ret
= func( *list
, lParam
);
2808 if (ret
) ret
= WIN_EnumChildWindows( childList
, func
, lParam
);
2809 HeapFree( GetProcessHeap(), 0, childList
);
2811 if (!ret
) return FALSE
;
2817 /**********************************************************************
2818 * EnumChildWindows (USER32.@)
2820 BOOL WINAPI
EnumChildWindows( HWND parent
, WNDENUMPROC func
, LPARAM lParam
)
2825 USER_CheckNotLock();
2827 if (!(list
= WIN_ListChildren( parent
))) return FALSE
;
2828 ret
= WIN_EnumChildWindows( list
, func
, lParam
);
2829 HeapFree( GetProcessHeap(), 0, list
);
2834 /*******************************************************************
2835 * AnyPopup (USER.52)
2837 BOOL16 WINAPI
AnyPopup16(void)
2843 /*******************************************************************
2844 * AnyPopup (USER32.@)
2846 BOOL WINAPI
AnyPopup(void)
2850 HWND
*list
= WIN_ListChildren( GetDesktopWindow() );
2852 if (!list
) return FALSE
;
2853 for (i
= 0; list
[i
]; i
++)
2855 if (IsWindowVisible( list
[i
] ) && GetWindow( list
[i
], GW_OWNER
)) break;
2857 retvalue
= (list
[i
] != 0);
2858 HeapFree( GetProcessHeap(), 0, list
);
2863 /*******************************************************************
2864 * FlashWindow (USER32.@)
2866 BOOL WINAPI
FlashWindow( HWND hWnd
, BOOL bInvert
)
2870 TRACE("%p\n", hWnd
);
2872 if (IsIconic( hWnd
))
2874 RedrawWindow( hWnd
, 0, 0, RDW_INVALIDATE
| RDW_ERASE
| RDW_UPDATENOW
| RDW_FRAME
);
2876 wndPtr
= WIN_GetPtr(hWnd
);
2877 if (!wndPtr
|| wndPtr
== WND_OTHER_PROCESS
|| wndPtr
== WND_DESKTOP
) return FALSE
;
2878 if (bInvert
&& !(wndPtr
->flags
& WIN_NCACTIVATED
))
2880 wndPtr
->flags
|= WIN_NCACTIVATED
;
2884 wndPtr
->flags
&= ~WIN_NCACTIVATED
;
2886 WIN_ReleasePtr( wndPtr
);
2893 wndPtr
= WIN_GetPtr(hWnd
);
2894 if (!wndPtr
|| wndPtr
== WND_OTHER_PROCESS
|| wndPtr
== WND_DESKTOP
) return FALSE
;
2895 hWnd
= wndPtr
->hwndSelf
; /* make it a full handle */
2897 if (bInvert
) wparam
= !(wndPtr
->flags
& WIN_NCACTIVATED
);
2898 else wparam
= (hWnd
== GetForegroundWindow());
2900 WIN_ReleasePtr( wndPtr
);
2901 SendMessageW( hWnd
, WM_NCACTIVATE
, wparam
, (LPARAM
)0 );
2906 /*******************************************************************
2907 * FlashWindowEx (USER32.@)
2909 BOOL WINAPI
FlashWindowEx( PFLASHWINFO pfwi
)
2911 FIXME("%p\n", pfwi
);
2915 /*******************************************************************
2916 * GetWindowContextHelpId (USER32.@)
2918 DWORD WINAPI
GetWindowContextHelpId( HWND hwnd
)
2921 WND
*wnd
= WIN_GetPtr( hwnd
);
2922 if (!wnd
|| wnd
== WND_DESKTOP
) return 0;
2923 if (wnd
== WND_OTHER_PROCESS
)
2925 if (IsWindow( hwnd
)) FIXME( "not supported on other process window %p\n", hwnd
);
2928 retval
= wnd
->helpContext
;
2929 WIN_ReleasePtr( wnd
);
2934 /*******************************************************************
2935 * SetWindowContextHelpId (USER32.@)
2937 BOOL WINAPI
SetWindowContextHelpId( HWND hwnd
, DWORD id
)
2939 WND
*wnd
= WIN_GetPtr( hwnd
);
2940 if (!wnd
|| wnd
== WND_DESKTOP
) return FALSE
;
2941 if (wnd
== WND_OTHER_PROCESS
)
2943 if (IsWindow( hwnd
)) FIXME( "not supported on other process window %p\n", hwnd
);
2946 wnd
->helpContext
= id
;
2947 WIN_ReleasePtr( wnd
);
2952 /*******************************************************************
2953 * DragDetect (USER32.@)
2955 BOOL WINAPI
DragDetect( HWND hWnd
, POINT pt
)
2959 WORD wDragWidth
= GetSystemMetrics(SM_CXDRAG
);
2960 WORD wDragHeight
= GetSystemMetrics(SM_CYDRAG
);
2962 rect
.left
= pt
.x
- wDragWidth
;
2963 rect
.right
= pt
.x
+ wDragWidth
;
2965 rect
.top
= pt
.y
- wDragHeight
;
2966 rect
.bottom
= pt
.y
+ wDragHeight
;
2972 while (PeekMessageW( &msg
, 0, WM_MOUSEFIRST
, WM_MOUSELAST
, PM_REMOVE
))
2974 if( msg
.message
== WM_LBUTTONUP
)
2979 if( msg
.message
== WM_MOUSEMOVE
)
2982 tmp
.x
= (short)LOWORD(msg
.lParam
);
2983 tmp
.y
= (short)HIWORD(msg
.lParam
);
2984 if( !PtInRect( &rect
, tmp
))
2996 /******************************************************************************
2997 * GetWindowModuleFileNameA (USER32.@)
2999 UINT WINAPI
GetWindowModuleFileNameA( HWND hwnd
, LPSTR lpszFileName
, UINT cchFileNameMax
)
3001 FIXME("GetWindowModuleFileNameA(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3002 hwnd
, lpszFileName
, cchFileNameMax
);
3006 /******************************************************************************
3007 * GetWindowModuleFileNameW (USER32.@)
3009 UINT WINAPI
GetWindowModuleFileNameW( HWND hwnd
, LPWSTR lpszFileName
, UINT cchFileNameMax
)
3011 FIXME("GetWindowModuleFileNameW(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3012 hwnd
, lpszFileName
, cchFileNameMax
);
3016 /******************************************************************************
3017 * GetWindowInfo (USER32.@)
3019 * Note: tests show that Windows doesn't check cbSize of the structure.
3021 BOOL WINAPI
GetWindowInfo( HWND hwnd
, PWINDOWINFO pwi
)
3023 if (!pwi
) return FALSE
;
3024 if (!IsWindow(hwnd
)) return FALSE
;
3026 GetWindowRect(hwnd
, &pwi
->rcWindow
);
3027 GetClientRect(hwnd
, &pwi
->rcClient
);
3028 /* translate to screen coordinates */
3029 MapWindowPoints(hwnd
, 0, (LPPOINT
)&pwi
->rcClient
, 2);
3031 pwi
->dwStyle
= GetWindowLongW(hwnd
, GWL_STYLE
);
3032 pwi
->dwExStyle
= GetWindowLongW(hwnd
, GWL_EXSTYLE
);
3033 pwi
->dwWindowStatus
= ((GetActiveWindow() == hwnd
) ? WS_ACTIVECAPTION
: 0);
3035 pwi
->cxWindowBorders
= pwi
->rcClient
.left
- pwi
->rcWindow
.left
;
3036 pwi
->cyWindowBorders
= pwi
->rcWindow
.bottom
- pwi
->rcClient
.bottom
;
3038 pwi
->atomWindowType
= GetClassLongW( hwnd
, GCW_ATOM
);
3039 pwi
->wCreatorVersion
= 0x0400;
3044 /******************************************************************************
3045 * SwitchDesktop (USER32.@)
3047 * NOTES: Sets the current input or interactive desktop.
3049 BOOL WINAPI
SwitchDesktop( HDESK hDesktop
)
3051 FIXME("SwitchDesktop(hwnd %p) stub!\n", hDesktop
);
3055 /*****************************************************************************
3056 * SetLayeredWindowAttributes (USER32.@)
3058 BOOL WINAPI
SetLayeredWindowAttributes( HWND hWnd
, COLORREF rgbKey
,
3059 BYTE bAlpha
, DWORD dwFlags
)
3061 FIXME("(%p,0x%.8x,%d,%d): stub!\n", hWnd
, rgbKey
, bAlpha
, dwFlags
);
3065 /*****************************************************************************
3066 * UpdateLayeredWindow (USER32.@)
3068 BOOL WINAPI
UpdateLayeredWindow( HWND hwnd
, HDC hdcDst
, POINT
*pptDst
, SIZE
*psize
,
3069 HDC hdcSrc
, POINT
*pptSrc
, COLORREF crKey
, BLENDFUNCTION
*pblend
,
3076 FIXME("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%d): stub!\n",
3077 hwnd
, hdcDst
, pptDst
, psize
, hdcSrc
, pptSrc
, crKey
, pblend
, dwFlags
);
3082 /* 64bit versions */
3084 #ifdef GetWindowLongPtrW
3085 #undef GetWindowLongPtrW
3088 #ifdef GetWindowLongPtrA
3089 #undef GetWindowLongPtrA
3092 #ifdef SetWindowLongPtrW
3093 #undef SetWindowLongPtrW
3096 #ifdef SetWindowLongPtrA
3097 #undef SetWindowLongPtrA
3100 /*****************************************************************************
3101 * GetWindowLongPtrW (USER32.@)
3103 LONG_PTR WINAPI
GetWindowLongPtrW( HWND hwnd
, INT offset
)
3105 return WIN_GetWindowLong( hwnd
, offset
, sizeof(LONG_PTR
), TRUE
);
3108 /*****************************************************************************
3109 * GetWindowLongPtrA (USER32.@)
3111 LONG_PTR WINAPI
GetWindowLongPtrA( HWND hwnd
, INT offset
)
3113 return WIN_GetWindowLong( hwnd
, offset
, sizeof(LONG_PTR
), FALSE
);
3116 /*****************************************************************************
3117 * SetWindowLongPtrW (USER32.@)
3119 LONG_PTR WINAPI
SetWindowLongPtrW( HWND hwnd
, INT offset
, LONG_PTR newval
)
3121 return WIN_SetWindowLong( hwnd
, offset
, sizeof(LONG_PTR
), newval
, TRUE
);
3124 /*****************************************************************************
3125 * SetWindowLongPtrA (USER32.@)
3127 LONG_PTR WINAPI
SetWindowLongPtrA( HWND hwnd
, INT offset
, LONG_PTR newval
)
3129 return WIN_SetWindowLong( hwnd
, offset
, sizeof(LONG_PTR
), newval
, FALSE
);