4 * Copyright 1993 David Metcalfe
5 * 1994 Alexandre Julliard
10 #include "wine/winuser16.h"
18 DEFAULT_DEBUG_CHANNEL(win)
21 /*****************************************************************
23 * pMsgQ is the queue whose perQData focus is to be modified
25 void FOCUS_SwitchFocus( MESSAGEQUEUE *pMsgQ, HWND hFocusFrom, HWND hFocusTo )
27 WND *pFocusTo = WIN_FindWndPtr( hFocusTo );
29 PERQDATA_SetFocusWnd( pMsgQ->pQData, hFocusTo );
32 if (hFocusFrom) SendMessageA( hFocusFrom, WM_KILLFOCUS, hFocusTo, 0 );
34 /* FIXME: must be SendMessage16() because 32A doesn't do
35 * intertask at this time */
36 if (hFocusFrom) SendMessage16( hFocusFrom, WM_KILLFOCUS, hFocusTo, 0 );
39 if( !pFocusTo || hFocusTo != PERQDATA_GetFocusWnd( pMsgQ->pQData ) )
41 WIN_ReleaseWndPtr(pFocusTo);
45 /* According to API docs, the WM_SETFOCUS message is sent AFTER the window
46 has received the keyboard focus. */
48 pFocusTo->pDriver->pSetFocus(pFocusTo);
50 WIN_ReleaseWndPtr(pFocusTo);
52 SendMessageA( hFocusTo, WM_SETFOCUS, hFocusFrom, 0 );
54 SendMessage16( hFocusTo, WM_SETFOCUS, hFocusFrom, 0 );
59 /*****************************************************************
60 * SetFocus16 (USER.22)
62 HWND16 WINAPI SetFocus16( HWND16 hwnd )
64 return (HWND16)SetFocus( hwnd );
68 /*****************************************************************
69 * SetFocus32 (USER32.481)
71 HWND WINAPI SetFocus( HWND hwnd )
73 HWND hWndFocus = 0, hwndTop = hwnd;
74 WND *wndPtr = WIN_FindWndPtr( hwnd );
75 MESSAGEQUEUE *pMsgQ = 0, *pCurMsgQ = 0;
78 /* Get the messageQ for the current thread */
79 if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() )))
81 WARN( win, "\tCurrent message queue not found. Exiting!\n" );
87 /* Check if we can set the focus to this window */
89 while ( (wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) == WS_CHILD )
91 if ( wndPtr->dwStyle & ( WS_MINIMIZE | WS_DISABLED) )
93 WIN_UpdateWndPtr(&wndPtr,wndPtr->parent);
94 if (!wndPtr) goto CLEANUP;
95 hwndTop = wndPtr->hwndSelf;
98 /* Retrieve the message queue associated with this window */
99 pMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( wndPtr->hmemTaskQ );
102 WARN( win, "\tMessage queue not found. Exiting!\n" );
106 /* Make sure that message queue for the window we are setting focus to
107 * shares the same perQ data as the current threads message queue.
108 * In other words you can't set focus to a window owned by a different
109 * thread unless AttachThreadInput has been called previously.
110 * (see AttachThreadInput and SetFocus docs)
112 if ( pCurMsgQ->pQData != pMsgQ->pQData )
115 /* Get the current focus window from the perQ data */
116 hWndFocus = PERQDATA_GetFocusWnd( pMsgQ->pQData );
118 if( hwnd == hWndFocus )
120 bRet = 1; /* Success */
121 goto CLEANUP; /* Nothing to do */
125 if( HOOK_CallHooks16( WH_CBT, HCBT_SETFOCUS, (WPARAM16)hwnd,
129 /* activate hwndTop if needed. */
130 if (hwndTop != GetActiveWindow())
132 if (!WINPOS_SetActiveWindow(hwndTop, 0, 0)) goto CLEANUP;
134 if (!IsWindow( hwnd )) goto CLEANUP; /* Abort if window destroyed */
137 /* Get the current focus window from the perQ data */
138 hWndFocus = PERQDATA_GetFocusWnd( pMsgQ->pQData );
140 /* Change focus and send messages */
141 FOCUS_SwitchFocus( pMsgQ, hWndFocus, hwnd );
143 else /* NULL hwnd passed in */
145 if( HOOK_CallHooks16( WH_CBT, HCBT_SETFOCUS, 0, (LPARAM)hWndFocus ) )
148 /* Get the current focus from the perQ data of the current message Q */
149 hWndFocus = PERQDATA_GetFocusWnd( pCurMsgQ->pQData );
151 /* Change focus and send messages */
152 FOCUS_SwitchFocus( pCurMsgQ, hWndFocus, hwnd );
155 bRet = 1; /* Success */
159 /* Unlock the queues before returning */
161 QUEUE_Unlock( pMsgQ );
163 QUEUE_Unlock( pCurMsgQ );
165 WIN_ReleaseWndPtr(wndPtr);
166 return bRet ? hWndFocus : 0;
170 /*****************************************************************
171 * GetFocus16 (USER.23)
173 HWND16 WINAPI GetFocus16(void)
175 return (HWND16)GetFocus();
179 /*****************************************************************
180 * GetFocus32 (USER32.240)
182 HWND WINAPI GetFocus(void)
184 MESSAGEQUEUE *pCurMsgQ = 0;
187 /* Get the messageQ for the current thread */
188 if (!(pCurMsgQ = (MESSAGEQUEUE *)QUEUE_Lock( GetFastQueue16() )))
190 WARN( win, "\tCurrent message queue not found. Exiting!\n" );
194 /* Get the current focus from the perQ data of the current message Q */
195 hwndFocus = PERQDATA_GetFocusWnd( pCurMsgQ->pQData );
197 QUEUE_Unlock( pCurMsgQ );