void Ctrl::Create0(Ctrl *owner, bool redirect, bool savebits)
{
	GuiLock __;
	ASSERT(IsMainThread());
	LLOG("Create " << Name() << " " << GetRect());
	ASSERT(!IsChild() && !IsOpen());
	LLOG("Ungrab1");
	ReleaseGrab();
	XSetWindowAttributes swa;
	swa.bit_gravity = ForgetGravity;
	swa.background_pixmap = None;
	swa.override_redirect = redirect;
	swa.save_under = savebits;
	Color c = SColorPaper();
	swa.background_pixel = GetXPixel(c.GetR(), c.GetG(), c.GetB());
	Rect r = GetRect();
	isopen = true;
	Window w = XCreateWindow(Xdisplay, RootWindow(Xdisplay, Xscreenno),
	                         r.left, r.top, r.Width(), r.Height(),
	                         0, CopyFromParent, InputOutput, CopyFromParent,
	                         CWBitGravity|CWSaveUnder|CWOverrideRedirect|
	                         (IsCompositedGui() ? CWBackPixel : CWBackPixmap),
	                         &swa);
	if(!w) XError("XCreateWindow failed !");
	int i = Xwindow().Find(None);
	if(i >= 0) Xwindow().SetKey(i, w);
	XWindow& cw = i >= 0 ? Xwindow()[i] : Xwindow().Add(w);
	cw.ctrl = this;
	cw.exposed = false;
	cw.owner = owner;

/* 
	cw.xic = xim ? XCreateIC(xim,
	                         XNInputStyle, XIMPreeditNothing|XIMStatusNothing,
	                         XNClientWindow, w,
	                         XNFocusWindow, w,
	                         NULL)
	             : NULL;
*/
//	This seems to fix SCIM problem
	cw.xic = xim ? XCreateIC((XIM)xim,
	                         XNInputStyle, XIMPreeditNothing|XIMStatusNothing,
	                         XNClientWindow, Xroot,
	                         NULL)
	             : NULL;

	top = new Top;
	top->window = w;
	long im_event_mask = 0;
	if(cw.xic)
		XGetICValues(cw.xic, XNFilterEvents, &im_event_mask, NULL);
	XSelectInput(Xdisplay, w, ExposureMask|StructureNotifyMask|KeyPressMask|
	             FocusChangeMask|KeyPressMask|KeyReleaseMask|PointerMotionMask|
	             ButtonPressMask|ButtonReleaseMask|PropertyChangeMask|
	             VisibilityChangeMask|im_event_mask);
	int version = 5;
	XChangeProperty(Xdisplay, w, XAtom("XdndAware"), XA_ATOM, 32,
					0, (byte *)&version, 1);
	CancelMode();
	if(r.Contains(GetMousePos()))
		DispatchMouse(MOUSEMOVE, GetMousePos() - r.TopLeft());

	if(redirect) {
		int windowType = XInternAtom(Xdisplay, "_NET_WM_WINDOW_TYPE_POPUP_MENU", false);
		XChangeProperty(Xdisplay, w, XInternAtom(Xdisplay, "_NET_WM_WINDOW_TYPE", false), XA_ATOM, 32, 
		                PropModeReplace, (byte *)&windowType, 1);
	}
	
	RefreshLayoutDeep();
}

void Ctrl::Create0(Ctrl *owner, bool redirect, bool savebits)
{
	GuiLock __;
	ASSERT(IsMainThread());
	LLOG("Create " << Name() << " " << GetRect());
	ASSERT(!IsChild() && !IsOpen());
	LLOG("Ungrab1");
	ReleaseGrab();
	XSetWindowAttributes swa;
	swa.bit_gravity = ForgetGravity;
	swa.background_pixmap = None;
	swa.override_redirect = redirect;
	swa.save_under = savebits;
	Color c = SColorPaper();
	swa.background_pixel = GetXPixel(c.GetR(), c.GetG(), c.GetB());
	Rect r = GetRect();
	isopen = true;
	Window w = XCreateWindow(Xdisplay, RootWindow(Xdisplay, Xscreenno),
	                         r.left, r.top, r.Width(), r.Height(),
	                         0, CopyFromParent, InputOutput, CopyFromParent,
	                         CWBitGravity|CWSaveUnder|CWOverrideRedirect|
	                         (IsCompositedGui() ? CWBackPixel : CWBackPixmap),
	                         &swa);
	if(!w) XError("XCreateWindow failed !");
	int i = Xwindow().Find(None);
	if(i >= 0) Xwindow().SetKey(i, w);
	XWindow& cw = i >= 0 ? Xwindow()[i] : Xwindow().Add(w);
	cw.ctrl = this;
	cw.exposed = false;
	cw.owner = owner;

/* 
	cw.xic = xim ? XCreateIC(xim,
	                         XNInputStyle, XIMPreeditNothing|XIMStatusNothing,
	                         XNClientWindow, w,
	                         XNFocusWindow, w,
	                         NULL)
	             : NULL;
*/
//	This seems to fix SCIM problem
	cw.xic = xim ? XCreateIC((XIM)xim,
	                         XNInputStyle, XIMPreeditNothing|XIMStatusNothing,
	                         XNClientWindow, Xroot,
	                         XNFocusWindow,w,//add this line,allow FCITX get input focus.
	                         NULL)
	             : NULL;

void Ctrl::WndDestroy0()
{
	GuiLock __;
	LLOG("WndDestroy " << Name());
	if(!top || !isopen) return;
	AddGlobalRepaint();
	bool revertfocus = HasWndFocus();
	for(int i = 0; i < Xwindow().GetCount(); i++) {
		LOGBEGIN();
		XWindow& w = Xwindow()[i];
		if(Xwindow().GetKey(i) != None && w.owner == this && w.ctrl->IsOpen())
			w.ctrl->WndDestroy();
		LOGEND();
	}
	Ptr<Ctrl> owner;
	int i = Xwindow().Find(top->window);
	if(i >= 0) {
		XWindow& w = Xwindow()[i];
		owner = w.owner;
		w.invalid.Clear();
		if(w.xic)
			XDestroyIC(w.xic);
	}
	isopen = false;
	if(focusWindow == top->window)
		focusWindow = None;
	if(grabWindow == top->window)
		grabWindow = None;
	XDestroyWindow(Xdisplay, top->window);
	if(i >= 0) {
		Xwindow().SetKey(i, None);
		top->window = None;
		Xwindow()[i].ctrl = NULL;
	}

	if(revertfocus && owner)
		owner->TakeFocus();

	if(focusWindow) {
		int q = Xwindow().Find(focusWindow);
		if(q >= 0) {
			XIC xic = Xwindow()[q].xic;
			XSetICFocus(xic);
		}
	}

	delete top;
	top = NULL;
}