BOOL FASTCALL
co_IntMakeWindowActive(PWND Window)
{
PWND spwndOwner;
if (VerifyWnd(Window))
{ // Set last active for window and it's owner.
spwndOwner = Window;
while (spwndOwner->spwndOwner)
{
spwndOwner = spwndOwner->spwndOwner;
}
spwndOwner->spwndLastActive = Window;
return TRUE;
}
ERR("MakeWindowActive Failed!\n");
return FALSE;
}
PREGION FASTCALL
VIS_ComputeVisibleRegion(
PWND Wnd,
BOOLEAN ClientArea,
BOOLEAN ClipChildren,
BOOLEAN ClipSiblings)
{
PREGION VisRgn, ClipRgn;
PWND PreviousWindow, CurrentWindow, CurrentSibling;
if (!Wnd || !(Wnd->style & WS_VISIBLE))
{
return NULL;
}
VisRgn = NULL;
if (ClientArea)
{
VisRgn = IntSysCreateRectpRgnIndirect(&Wnd->rcClient);
}
else
{
VisRgn = IntSysCreateRectpRgnIndirect(&Wnd->rcWindow);
}
/*
* Walk through all parent windows and for each clip the visble region
* to the parent's client area and exclude all siblings that are over
* our window.
*/
PreviousWindow = Wnd;
CurrentWindow = Wnd->spwndParent;
while (CurrentWindow)
{
if (!VerifyWnd(CurrentWindow))
{
ERR("ATM the Current Window or Parent is dead! %p\n",CurrentWindow);
if (VisRgn)
REGION_Delete(VisRgn);
return NULL;
}
if (!(CurrentWindow->style & WS_VISIBLE))
{
if (VisRgn)
REGION_Delete(VisRgn);
return NULL;
}
ClipRgn = IntSysCreateRectpRgnIndirect(&CurrentWindow->rcClient);
IntGdiCombineRgn(VisRgn, VisRgn, ClipRgn, RGN_AND);
REGION_Delete(ClipRgn);
if ((PreviousWindow->style & WS_CLIPSIBLINGS) ||
(PreviousWindow == Wnd && ClipSiblings))
{
CurrentSibling = CurrentWindow->spwndChild;
while ( CurrentSibling != NULL &&
CurrentSibling != PreviousWindow )
{
if ((CurrentSibling->style & WS_VISIBLE) &&
!(CurrentSibling->ExStyle & WS_EX_TRANSPARENT))
{
ClipRgn = IntSysCreateRectpRgnIndirect(&CurrentSibling->rcWindow);
/* Combine it with the window region if available */
if (CurrentSibling->hrgnClip && !(CurrentSibling->style & WS_MINIMIZE))
{
PREGION SiblingClipRgn = REGION_LockRgn(CurrentSibling->hrgnClip);
if (SiblingClipRgn)
{
REGION_bOffsetRgn(ClipRgn, -CurrentSibling->rcWindow.left, -CurrentSibling->rcWindow.top);
IntGdiCombineRgn(ClipRgn, ClipRgn, SiblingClipRgn, RGN_AND);
REGION_bOffsetRgn(ClipRgn, CurrentSibling->rcWindow.left, CurrentSibling->rcWindow.top);
REGION_UnlockRgn(SiblingClipRgn);
}
}
IntGdiCombineRgn(VisRgn, VisRgn, ClipRgn, RGN_DIFF);
REGION_Delete(ClipRgn);
}
CurrentSibling = CurrentSibling->spwndNext;
}
}
PreviousWindow = CurrentWindow;
CurrentWindow = CurrentWindow->spwndParent;
}
if (ClipChildren)
{
CurrentWindow = Wnd->spwndChild;
while (CurrentWindow)
{
if ((CurrentWindow->style & WS_VISIBLE) &&
!(CurrentWindow->ExStyle & WS_EX_TRANSPARENT))
{
ClipRgn = IntSysCreateRectpRgnIndirect(&CurrentWindow->rcWindow);
/* Combine it with the window region if available */
if (CurrentWindow->hrgnClip && !(CurrentWindow->style & WS_MINIMIZE))
{
PREGION CurrentRgnClip = REGION_LockRgn(CurrentWindow->hrgnClip);
if (CurrentRgnClip)
{
REGION_bOffsetRgn(ClipRgn, -CurrentWindow->rcWindow.left, -CurrentWindow->rcWindow.top);
IntGdiCombineRgn(ClipRgn, ClipRgn, CurrentRgnClip, RGN_AND);
REGION_bOffsetRgn(ClipRgn, CurrentWindow->rcWindow.left, CurrentWindow->rcWindow.top);
REGION_UnlockRgn(CurrentRgnClip);
}
}
IntGdiCombineRgn(VisRgn, VisRgn, ClipRgn, RGN_DIFF);
REGION_Delete(ClipRgn);
}
CurrentWindow = CurrentWindow->spwndNext;
}
}
if (Wnd->hrgnClip && !(Wnd->style & WS_MINIMIZE))
{
PREGION WndRgnClip = REGION_LockRgn(Wnd->hrgnClip);
if (WndRgnClip)
{
REGION_bOffsetRgn(VisRgn, -Wnd->rcWindow.left, -Wnd->rcWindow.top);
IntGdiCombineRgn(VisRgn, VisRgn, WndRgnClip, RGN_AND);
REGION_bOffsetRgn(VisRgn, Wnd->rcWindow.left, Wnd->rcWindow.top);
REGION_UnlockRgn(WndRgnClip);
}
}
return VisRgn;
}
BOOL FASTCALL
co_IntSetActiveWindow(PWND Wnd OPTIONAL, BOOL bMouse, BOOL bFocus, BOOL Async)
{
PTHREADINFO pti;
PUSER_MESSAGE_QUEUE ThreadQueue;
PWND pWndChg, WndPrev; // State changes.
HWND hWndPrev;
HWND hWnd = 0;
BOOL InAAPM;
CBTACTIVATESTRUCT cbt;
//ERR("co_IntSetActiveWindow 1\n");
if (Wnd)
{
ASSERT_REFS_CO(Wnd);
hWnd = UserHMGetHandle(Wnd);
if ((Wnd->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
if (Wnd == UserGetDesktopWindow()) return FALSE;
//ERR("co_IntSetActiveWindow 1a hWnd 0x%p\n",hWnd);
}
//ERR("co_IntSetActiveWindow 2\n");
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
ASSERT(ThreadQueue != 0);
hWndPrev = ThreadQueue->spwndActive ? UserHMGetHandle(ThreadQueue->spwndActive) : NULL;
pWndChg = ThreadQueue->spwndActive; // Keep to notify of a preemptive switch.
while (Wnd)
{
BOOL Ret, DoFG, AllowFG;
if (Wnd->state & WNDS_BEINGACTIVATED) return TRUE;
if (ThreadQueue == Wnd->head.pti->MessageQueue)
{
if (IsAllowedFGActive(pti, Wnd))
{
DoFG = TRUE;
}
else
{
//ERR("co_IntSetActiveWindow 3 Go Out!\n");
break;
}
AllowFG = !pti->cVisWindows; // Nothing is visable.
//ERR("co_IntSetActiveWindow 3a DoFG = %d AllowFG = %d\n",DoFG,AllowFG);
}
else //if (ThreadQueue != Wnd->head.pti->MessageQueue)
{
//PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue();
// Rule 1 & 4, We are foreground so set this FG window or NULL foreground....
//if (!ForegroundQueue || ForegroundQueue == ThreadQueue)
if (!gpqForeground || gpqForeground == ThreadQueue)
{
DoFG = TRUE;
}
else
DoFG = FALSE;
if (DoFG)
{
if (pti->TIF_flags & TIF_ALLOWFOREGROUNDACTIVATE || pti->cVisWindows)
AllowFG = TRUE;
else
AllowFG = FALSE;
}
else
AllowFG = FALSE;
//ERR("co_IntSetActiveWindow 3b DoFG = %d AllowFG = %d\n",DoFG,AllowFG);
}
Ret = FALSE;
if (DoFG)
{
pti->TIF_flags |= TIF_ALLOWFOREGROUNDACTIVATE;
//ERR("co_IntSetActiveWindow 3c FG set\n");
Ret = co_IntSetForegroundAndFocusWindow(Wnd, bMouse);
if (AllowFG)
{
pti->TIF_flags |= TIF_ALLOWFOREGROUNDACTIVATE;
}
else
{
pti->TIF_flags &= ~TIF_ALLOWFOREGROUNDACTIVATE;
}
}
return Ret;
}
/* Call CBT hook chain */
cbt.fMouse = bMouse;
cbt.hWndActive = hWndPrev;
if (co_HOOK_CallHooks( WH_CBT, HCBT_ACTIVATE, (WPARAM)hWnd, (LPARAM)&cbt))
{
ERR("SetActiveWindow: WH_CBT Call Hook return!\n");
return FALSE;
}
if ( ThreadQueue->spwndActive && ThreadQueue->spwndActive->state & WNDS_DESTROYED )
ThreadQueue->spwndActive = NULL;
else
ThreadQueue->spwndActivePrev = ThreadQueue->spwndActive;
WndPrev = ThreadQueue->spwndActive; // Keep to save changing active.
if (WndPrev)
{
if (ThreadQueue == gpqForeground) gpqForegroundPrev = ThreadQueue;
if (!co_IntSendDeactivateMessages(UserHMGetHandle(WndPrev), hWnd)) return FALSE;
}
WndPrev = ThreadQueue->spwndActive; // Again keep to save changing active.
// While in calling message proc or hook:
// Fail if a preemptive switch was made, current active not made previous,
// focus window is dead or no longer the same thread queue.
if ( ThreadQueue->spwndActivePrev != ThreadQueue->spwndActive ||
pWndChg != WndPrev ||
(Wnd && !VerifyWnd(Wnd)) ||
ThreadQueue != pti->MessageQueue )
{
ERR("SetActiveWindow: Summery ERROR, active state changed!\n");
return FALSE;
}
if (!WndPrev) ThreadQueue->QF_flags &= ~QF_FOCUSNULLSINCEACTIVE;
if (Wnd) Wnd->state |= WNDS_BEINGACTIVATED;
IntNotifyWinEvent(EVENT_SYSTEM_FOREGROUND, Wnd, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
//// Breaks Atl-Esc/Tab via User32.
////FindRemoveAsyncMsg(Wnd,(WPARAM)Wnd); // Clear out activate ASYNC messages.
/* check if the specified window can be set in the input data of a given queue */
if ( !Wnd || ThreadQueue == Wnd->head.pti->MessageQueue)
{
/* set the current thread active window */
ThreadQueue->spwndActive = Wnd;
}
WndPrev = VerifyWnd(ThreadQueue->spwndActivePrev); // Now should be set but verify it again.
InAAPM = co_IntSendActivateMessages(WndPrev, Wnd, bMouse, Async);
/* now change focus if necessary */
if (bFocus && !(ThreadQueue->QF_flags & QF_FOCUSNULLSINCEACTIVE))
{
/* Do not change focus if the window is no longer active */
if (ThreadQueue->spwndActive == Wnd)
{
if (!ThreadQueue->spwndFocus ||
!Wnd ||
UserGetAncestor(ThreadQueue->spwndFocus, GA_ROOT) != Wnd)
{
co_UserSetFocus(Wnd);
}
}
}
if (InAAPM)
{
pti->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
}
// FIXME: Used in the menu loop!!!
//ThreadQueue->QF_flags |= QF_ACTIVATIONCHANGE;
//ERR("co_IntSetActiveWindow Exit\n");
if (Wnd) Wnd->state &= ~WNDS_BEINGACTIVATED;
return (ThreadQueue->spwndActive == Wnd);
}
BOOL FASTCALL
co_IntSetActiveWindow(PWND Wnd OPTIONAL, HWND * Prev, BOOL bMouse, BOOL bFocus, BOOL Async)
{
PTHREADINFO pti;
PUSER_MESSAGE_QUEUE ThreadQueue;
PWND pWndChg, WndPrev; // State changes.
HWND hWndPrev;
HWND hWnd = 0;
BOOL InAAPM;
CBTACTIVATESTRUCT cbt;
if (Wnd)
{
ASSERT_REFS_CO(Wnd);
hWnd = UserHMGetHandle(Wnd);
if ((Wnd->style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
if (Wnd == UserGetDesktopWindow()) return FALSE;
}
pti = PsGetCurrentThreadWin32Thread();
ThreadQueue = pti->MessageQueue;
ASSERT(ThreadQueue != 0);
hWndPrev = ThreadQueue->spwndActive ? UserHMGetHandle(ThreadQueue->spwndActive) : NULL;
if (Prev) *Prev = hWndPrev;
if (hWndPrev == hWnd) return TRUE;
pWndChg = ThreadQueue->spwndActive; // Keep to notify of a preemptive switch.
if (Wnd)
{
if (ThreadQueue != Wnd->head.pti->MessageQueue)
{
PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue();
// Rule 1 & 4, We are foreground so set this FG window or NULL foreground....
if (!ForegroundQueue || ForegroundQueue == ThreadQueue)
{
return co_IntSetForegroundAndFocusWindow(Wnd, bMouse);
}
}
if (Wnd->state & WNDS_BEINGACTIVATED) return TRUE;
}
/* Call CBT hook chain */
cbt.fMouse = bMouse;
cbt.hWndActive = hWndPrev;
if (co_HOOK_CallHooks( WH_CBT, HCBT_ACTIVATE, (WPARAM)hWnd, (LPARAM)&cbt))
{
ERR("SetActiveWindow: WH_CBT Call Hook return!\n");
return FALSE;
}
if ( ThreadQueue->spwndActive && ThreadQueue->spwndActive->state & WNDS_DESTROYED )
ThreadQueue->spwndActive = NULL;
else
ThreadQueue->spwndActivePrev = ThreadQueue->spwndActive;
WndPrev = ThreadQueue->spwndActive; // Keep to save changing active.
if (WndPrev)
{
if (ThreadQueue == gpqForeground) gpqForegroundPrev = ThreadQueue;
if (!co_IntSendDeactivateMessages(hWndPrev, hWnd)) return FALSE;
}
// While in calling message proc or hook:
// Fail if a preemptive switch was made, current active not made previous,
// focus window is dead or no longer the same thread queue.
if ( ThreadQueue->spwndActivePrev != ThreadQueue->spwndActive ||
pWndChg != ThreadQueue->spwndActive ||
(Wnd && !VerifyWnd(Wnd)) ||
ThreadQueue != pti->MessageQueue )
{
ERR("SetActiveWindow: Summery ERROR, active state changed!\n");
return FALSE;
}
if (!WndPrev) ThreadQueue->QF_flags &= ~QF_FOCUSNULLSINCEACTIVE;
if (Wnd) Wnd->state |= WNDS_BEINGACTIVATED;
IntNotifyWinEvent(EVENT_SYSTEM_FOREGROUND, Wnd, OBJID_WINDOW, CHILDID_SELF, WEF_SETBYWNDPTI);
/* check if the specified window can be set in the input data of a given queue */
if ( !Wnd || ThreadQueue == Wnd->head.pti->MessageQueue)
{
/* set the current thread active window */
ThreadQueue->spwndActive = Wnd;
}
InAAPM = co_IntSendActivateMessages(WndPrev, Wnd, bMouse, Async);
/* now change focus if necessary */
if (bFocus && !(ThreadQueue->QF_flags & QF_FOCUSNULLSINCEACTIVE))
{
/* Do not change focus if the window is no longer active */
if (ThreadQueue->spwndActive == Wnd)
{
if (!ThreadQueue->spwndFocus ||
!Wnd ||
UserGetAncestor(ThreadQueue->spwndFocus, GA_ROOT) != Wnd)
{
co_UserSetFocus(Wnd);
}
}
}
if (InAAPM)
{
pti->TIF_flags &= ~TIF_INACTIVATEAPPMSG;
pti->pClientInfo->dwTIFlags = pti->TIF_flags;
}
// FIXME: Used in the menu loop!!!
//ThreadQueue->QF_flags |= QF_ACTIVATIONCHANGE;
if (Wnd) Wnd->state &= ~WNDS_BEINGACTIVATED;
return (ThreadQueue->spwndActive == Wnd);
}
