2 * Focus and activation functions
4 * Copyright 1993 David Metcalfe
5 * Copyright 1995 Alex Korobka
6 * Copyright 1994, 2002 Alexandre Julliard
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 #include "wine/port.h"
32 #include "user_private.h"
33 #include "wine/server.h"
34 #include "wine/debug.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(win
);
39 /*****************************************************************
42 * Change the focus window, sending the WM_SETFOCUS and WM_KILLFOCUS messages
44 static HWND
set_focus_window( HWND hwnd
)
49 SERVER_START_REQ( set_focus_window
)
51 req
->handle
= wine_server_user_handle( hwnd
);
52 if ((ret
= !wine_server_call_err( req
)))
53 previous
= wine_server_ptr_handle( reply
->previous
);
57 if (previous
== hwnd
) return previous
;
61 SendMessageW( previous
, WM_KILLFOCUS
, (WPARAM
)hwnd
, 0 );
62 if (hwnd
!= GetFocus()) return previous
; /* changed by the message */
66 USER_Driver
->pSetFocus(hwnd
);
67 SendMessageW( hwnd
, WM_SETFOCUS
, (WPARAM
)previous
, 0 );
73 /*******************************************************************
76 static BOOL
set_active_window( HWND hwnd
, HWND
*prev
, BOOL mouse
, BOOL focus
)
78 HWND previous
= GetActiveWindow();
80 DWORD old_thread
, new_thread
;
81 CBTACTIVATESTRUCT cbt
;
85 if (prev
) *prev
= hwnd
;
89 /* call CBT hook chain */
91 cbt
.hWndActive
= previous
;
92 if (HOOK_CallHooks( WH_CBT
, HCBT_ACTIVATE
, (WPARAM
)hwnd
, (LPARAM
)&cbt
, TRUE
)) return FALSE
;
94 if (IsWindow(previous
))
96 SendMessageW( previous
, WM_NCACTIVATE
, FALSE
, (LPARAM
)hwnd
);
97 SendMessageW( previous
, WM_ACTIVATE
,
98 MAKEWPARAM( WA_INACTIVE
, IsIconic(previous
) ), (LPARAM
)hwnd
);
101 SERVER_START_REQ( set_active_window
)
103 req
->handle
= wine_server_user_handle( hwnd
);
104 if ((ret
= !wine_server_call_err( req
)))
105 previous
= wine_server_ptr_handle( reply
->previous
);
108 if (!ret
) return FALSE
;
109 if (prev
) *prev
= previous
;
110 if (previous
== hwnd
) return TRUE
;
114 /* send palette messages */
115 if (SendMessageW( hwnd
, WM_QUERYNEWPALETTE
, 0, 0 ))
116 SendMessageTimeoutW( HWND_BROADCAST
, WM_PALETTEISCHANGING
, (WPARAM
)hwnd
, 0,
117 SMTO_ABORTIFHUNG
, 2000, NULL
);
118 if (!IsWindow(hwnd
)) return FALSE
;
121 old_thread
= previous
? GetWindowThreadProcessId( previous
, NULL
) : 0;
122 new_thread
= hwnd
? GetWindowThreadProcessId( hwnd
, NULL
) : 0;
124 if (old_thread
!= new_thread
)
128 if ((list
= WIN_ListChildren( GetDesktopWindow() )))
132 for (phwnd
= list
; *phwnd
; phwnd
++)
134 if (GetWindowThreadProcessId( *phwnd
, NULL
) == old_thread
)
135 SendMessageW( *phwnd
, WM_ACTIVATEAPP
, 0, new_thread
);
140 for (phwnd
= list
; *phwnd
; phwnd
++)
142 if (GetWindowThreadProcessId( *phwnd
, NULL
) == new_thread
)
143 SendMessageW( *phwnd
, WM_ACTIVATEAPP
, 1, old_thread
);
146 HeapFree( GetProcessHeap(), 0, list
);
152 SendMessageW( hwnd
, WM_NCACTIVATE
, (hwnd
== GetForegroundWindow()), (LPARAM
)previous
);
153 SendMessageW( hwnd
, WM_ACTIVATE
,
154 MAKEWPARAM( mouse
? WA_CLICKACTIVE
: WA_ACTIVE
, IsIconic(hwnd
) ),
158 /* now change focus if necessary */
163 info
.cbSize
= sizeof(info
);
164 GetGUIThreadInfo( GetCurrentThreadId(), &info
);
165 /* Do not change focus if the window is no more active */
166 if (hwnd
== info
.hwndActive
)
168 if (!info
.hwndFocus
|| !hwnd
|| GetAncestor( info
.hwndFocus
, GA_ROOT
) != hwnd
)
169 set_focus_window( hwnd
);
177 /*******************************************************************
178 * set_foreground_window
180 static BOOL
set_foreground_window( HWND hwnd
, BOOL mouse
)
182 BOOL ret
, send_msg_old
= FALSE
, send_msg_new
= FALSE
;
185 SERVER_START_REQ( set_foreground_window
)
187 req
->handle
= wine_server_user_handle( hwnd
);
188 if ((ret
= !wine_server_call_err( req
)))
190 previous
= wine_server_ptr_handle( reply
->previous
);
191 send_msg_old
= reply
->send_msg_old
;
192 send_msg_new
= reply
->send_msg_new
;
197 if (ret
&& previous
!= hwnd
)
199 if (send_msg_old
) /* old window belongs to other thread */
200 SendNotifyMessageW( previous
, WM_WINE_SETACTIVEWINDOW
, 0, 0 );
201 else if (send_msg_new
) /* old window belongs to us but new one to other thread */
202 ret
= set_active_window( 0, NULL
, mouse
, TRUE
);
204 if (send_msg_new
) /* new window belongs to other thread */
205 SendNotifyMessageW( hwnd
, WM_WINE_SETACTIVEWINDOW
, (WPARAM
)hwnd
, 0 );
206 else /* new window belongs to us */
207 ret
= set_active_window( hwnd
, NULL
, mouse
, TRUE
);
213 /*******************************************************************
214 * FOCUS_MouseActivate
216 * Activate a window as a result of a mouse click
218 BOOL
FOCUS_MouseActivate( HWND hwnd
)
220 return set_foreground_window( hwnd
, TRUE
);
224 /*******************************************************************
225 * SetActiveWindow (USER32.@)
227 HWND WINAPI
SetActiveWindow( HWND hwnd
)
231 TRACE( "%p\n", hwnd
);
235 LONG style
= GetWindowLongW( hwnd
, GWL_STYLE
);
237 if ((style
& (WS_POPUP
|WS_CHILD
)) == WS_CHILD
)
238 return GetActiveWindow(); /* Windows doesn't seem to return an error here */
240 hwnd
= WIN_GetFullHandle( hwnd
);
243 if (!set_active_window( hwnd
, &prev
, FALSE
, TRUE
)) return 0;
248 /*****************************************************************
249 * SetFocus (USER32.@)
251 HWND WINAPI
SetFocus( HWND hwnd
)
254 HWND previous
= GetFocus();
256 TRACE( "%p prev %p\n", hwnd
, previous
);
260 /* Check if we can set the focus to this window */
261 hwnd
= WIN_GetFullHandle( hwnd
);
262 if (hwnd
== previous
) return previous
; /* nothing to do */
266 LONG style
= GetWindowLongW( hwndTop
, GWL_STYLE
);
267 if (style
& (WS_MINIMIZE
| WS_DISABLED
)) return 0;
268 parent
= GetAncestor( hwndTop
, GA_PARENT
);
269 if (!parent
|| parent
== GetDesktopWindow()) break;
270 if (parent
== get_hwnd_message_parent()) return 0;
275 if (HOOK_CallHooks( WH_CBT
, HCBT_SETFOCUS
, (WPARAM
)hwnd
, (LPARAM
)previous
, TRUE
)) return 0;
277 /* activate hwndTop if needed. */
278 if (hwndTop
!= GetActiveWindow())
280 if (!set_active_window( hwndTop
, NULL
, FALSE
, FALSE
)) return 0;
281 if (!IsWindow( hwnd
)) return 0; /* Abort if window destroyed */
283 /* Do not change focus if the window is no longer active */
284 if (hwndTop
!= GetActiveWindow()) return 0;
287 else /* NULL hwnd passed in */
289 if (!previous
) return 0; /* nothing to do */
290 if (HOOK_CallHooks( WH_CBT
, HCBT_SETFOCUS
, 0, (LPARAM
)previous
, TRUE
)) return 0;
293 /* change focus and send messages */
294 return set_focus_window( hwnd
);
298 /*******************************************************************
299 * SetForegroundWindow (USER32.@)
301 BOOL WINAPI
SetForegroundWindow( HWND hwnd
)
303 TRACE( "%p\n", hwnd
);
305 hwnd
= WIN_GetFullHandle( hwnd
);
306 return set_foreground_window( hwnd
, FALSE
);
310 /*******************************************************************
311 * GetActiveWindow (USER32.@)
313 HWND WINAPI
GetActiveWindow(void)
317 SERVER_START_REQ( get_thread_input
)
319 req
->tid
= GetCurrentThreadId();
320 if (!wine_server_call_err( req
)) ret
= wine_server_ptr_handle( reply
->active
);
327 /*****************************************************************
328 * GetFocus (USER32.@)
330 HWND WINAPI
GetFocus(void)
334 SERVER_START_REQ( get_thread_input
)
336 req
->tid
= GetCurrentThreadId();
337 if (!wine_server_call_err( req
)) ret
= wine_server_ptr_handle( reply
->focus
);
344 /*******************************************************************
345 * GetForegroundWindow (USER32.@)
347 HWND WINAPI
GetForegroundWindow(void)
351 SERVER_START_REQ( get_thread_input
)
354 if (!wine_server_call_err( req
)) ret
= wine_server_ptr_handle( reply
->foreground
);
361 /***********************************************************************
362 * SetShellWindowEx (USER32.@)
363 * hwndShell = Progman[Program Manager]
364 * |-> SHELLDLL_DefView
365 * hwndListView = | |-> SysListView32
366 * | | |-> tooltips_class32
372 BOOL WINAPI
SetShellWindowEx(HWND hwndShell
, HWND hwndListView
)
376 if (GetShellWindow())
379 if (GetWindowLongW(hwndShell
, GWL_EXSTYLE
) & WS_EX_TOPMOST
)
382 if (hwndListView
!= hwndShell
)
383 if (GetWindowLongW(hwndListView
, GWL_EXSTYLE
) & WS_EX_TOPMOST
)
386 if (hwndListView
&& hwndListView
!=hwndShell
)
387 SetWindowPos(hwndListView
, HWND_BOTTOM
, 0, 0, 0, 0, SWP_NOMOVE
|SWP_NOSIZE
|SWP_NOACTIVATE
);
389 SetWindowPos(hwndShell
, HWND_BOTTOM
, 0, 0, 0, 0, SWP_NOMOVE
|SWP_NOSIZE
|SWP_NOACTIVATE
);
391 SERVER_START_REQ(set_global_windows
)
393 req
->flags
= SET_GLOBAL_SHELL_WINDOWS
;
394 req
->shell_window
= wine_server_user_handle( hwndShell
);
395 req
->shell_listview
= wine_server_user_handle( hwndListView
);
396 ret
= !wine_server_call_err(req
);
404 /*******************************************************************
405 * SetShellWindow (USER32.@)
407 BOOL WINAPI
SetShellWindow(HWND hwndShell
)
409 return SetShellWindowEx(hwndShell
, hwndShell
);
413 /*******************************************************************
414 * GetShellWindow (USER32.@)
416 HWND WINAPI
GetShellWindow(void)
420 SERVER_START_REQ(set_global_windows
)
423 if (!wine_server_call_err(req
))
424 hwndShell
= wine_server_ptr_handle( reply
->old_shell_window
);
432 /***********************************************************************
433 * SetProgmanWindow (USER32.@)
435 HWND WINAPI
SetProgmanWindow ( HWND hwnd
)
437 SERVER_START_REQ(set_global_windows
)
439 req
->flags
= SET_GLOBAL_PROGMAN_WINDOW
;
440 req
->progman_window
= wine_server_user_handle( hwnd
);
441 if (wine_server_call_err( req
)) hwnd
= 0;
448 /***********************************************************************
449 * GetProgmanWindow (USER32.@)
451 HWND WINAPI
GetProgmanWindow(void)
455 SERVER_START_REQ(set_global_windows
)
458 if (!wine_server_call_err(req
))
459 ret
= wine_server_ptr_handle( reply
->old_progman_window
);
466 /***********************************************************************
467 * SetTaskmanWindow (USER32.@)
469 * hwnd = MSTaskSwWClass
470 * |-> SysTabControl32
472 HWND WINAPI
SetTaskmanWindow ( HWND hwnd
)
474 SERVER_START_REQ(set_global_windows
)
476 req
->flags
= SET_GLOBAL_TASKMAN_WINDOW
;
477 req
->taskman_window
= wine_server_user_handle( hwnd
);
478 if (wine_server_call_err( req
)) hwnd
= 0;
484 /***********************************************************************
485 * GetTaskmanWindow (USER32.@)
487 HWND WINAPI
GetTaskmanWindow(void)
491 SERVER_START_REQ(set_global_windows
)
494 if (!wine_server_call_err(req
))
495 ret
= wine_server_ptr_handle( reply
->old_taskman_window
);