olecontrolsite.java

源码为Eclipse开源开发平台桌面开发工具SWT的源代码,

			Variant lfFaceName = iDispFont.getProperty(COM.DISPID_FONT_NAME);
			Variant lfHeight   = iDispFont.getProperty(COM.DISPID_FONT_SIZE);
			Variant lfItalic   = iDispFont.getProperty(COM.DISPID_FONT_ITALIC);
			//Variant lfCharSet  = iDispFont.getProperty(COM.DISPID_FONT_CHARSET);
			Variant lfBold     = iDispFont.getProperty(COM.DISPID_FONT_BOLD);
			iDispFont.dispose();

			if (lfFaceName != null && 
				lfHeight != null && 
				lfItalic != null && 
				lfBold != null){
				int style = 3 * lfBold.getInt() + 2 * lfItalic.getInt();
				Font font = new Font(getShell().getDisplay(), lfFaceName.getString(), lfHeight.getInt(), style);
				return font;
			}
		}
	}
		
	return super.getFont();
}
public Color getForeground () {

	if (objIUnknown != null) {
		// !! We are getting the OLE_COLOR - should we change this to the COLORREF value?
		OleAutomation oleObject= new OleAutomation(this);
		Variant varForeColor = oleObject.getProperty(COM.DISPID_FORECOLOR);
		oleObject.dispose();
	
		if (varForeColor != null){
			int[] colorRef = new int[1];
			if (COM.OleTranslateColor(varForeColor.getInt(), getDisplay().hPalette, colorRef) == COM.S_OK)
				return Color.win32_new(getDisplay(), colorRef[0]);
		}
	}
		
	return super.getForeground();
}
protected int getLicenseInfo(GUID clsid) {
	int[] ppvObject = new int[1];

	if (COM.CoGetClassObject(clsid, COM.CLSCTX_INPROC_HANDLER | COM.CLSCTX_INPROC_SERVER, 0, COM.IIDIClassFactory2, ppvObject) != COM.S_OK) {
		return 0;
	}
	IClassFactory2 classFactory = new IClassFactory2(ppvObject[0]);
	LICINFO licinfo = new LICINFO();
	if (classFactory.GetLicInfo(licinfo) != COM.S_OK) {
		classFactory.Release();
		return 0;
	}
	int[] pBstrKey = new int[1];
	if (licinfo != null && licinfo.fRuntimeKeyAvail != 0) {
		if (classFactory.RequestLicKey(0, pBstrKey) == COM.S_OK) {
			classFactory.Release();
			return pBstrKey[0];
		}
	}
	classFactory.Release();
	return 0;
}
/**
 * 
 * Get the control site property specified by the dispIdMember.
 * 
 * @since 2.1
 * 
 */
public Variant getSiteProperty(int dispId){
	for (int i = 0; i < sitePropertyIds.length; i++) {
		if (sitePropertyIds[i] == dispId) {
			return sitePropertyValues[i];
		}
	}
	return null;
}
protected int GetWindow(int phwnd) {

	if (phwnd == 0)
		return COM.E_INVALIDARG;
	if (frame == null) {
		COM.MoveMemory(phwnd, new int[] {0}, 4);
		return COM.E_NOTIMPL;
	}
	
	// Copy the Window's handle into the memory passed in
	COM.MoveMemory(phwnd, new int[] {handle}, 4);
	return COM.S_OK;
}
private int Invoke(int dispIdMember, int riid, int lcid, int dwFlags, int pDispParams, int pVarResult, int pExcepInfo, int pArgErr) {
	if (pVarResult == 0 || dwFlags != COM.DISPATCH_PROPERTYGET) {
		if (pExcepInfo != 0) COM.MoveMemory(pExcepInfo, new int[] {0}, 4);
		if (pArgErr != 0) COM.MoveMemory(pArgErr, new int[] {0}, 4);
		return COM.DISP_E_MEMBERNOTFOUND;
	}
	Variant result = getSiteProperty(dispIdMember);
	if (result != null) {
		if (pVarResult != 0) result.getData(pVarResult);
		return COM.S_OK;
	}
	switch (dispIdMember) {
			// indicate a false result
		case COM.DISPID_AMBIENT_SUPPORTSMNEMONICS :
		case COM.DISPID_AMBIENT_SHOWGRABHANDLES :
		case COM.DISPID_AMBIENT_SHOWHATCHING :
			if (pVarResult != 0) COM.MoveMemory(pVarResult, new int[] {0}, 4);
			if (pExcepInfo != 0) COM.MoveMemory(pExcepInfo, new int[] {0}, 4);
			if (pArgErr != 0) COM.MoveMemory(pArgErr, new int[] {0}, 4);
			return COM.S_FALSE;

			// not implemented
		case COM.DISPID_AMBIENT_OFFLINEIFNOTCONNECTED :
		case COM.DISPID_AMBIENT_BACKCOLOR :
		case COM.DISPID_AMBIENT_FORECOLOR :
		case COM.DISPID_AMBIENT_FONT :
		case COM.DISPID_AMBIENT_LOCALEID :
		case COM.DISPID_AMBIENT_SILENT :
		case COM.DISPID_AMBIENT_MESSAGEREFLECT :
			if (pVarResult != 0) COM.MoveMemory(pVarResult, new int[] {0}, 4);
			if (pExcepInfo != 0) COM.MoveMemory(pExcepInfo, new int[] {0}, 4);
			if (pArgErr != 0) COM.MoveMemory(pArgErr, new int[] {0}, 4);
			return COM.E_NOTIMPL;
			
		default :
			if (pVarResult != 0) COM.MoveMemory(pVarResult, new int[] {0}, 4);
			if (pExcepInfo != 0) COM.MoveMemory(pExcepInfo, new int[] {0}, 4);
			if (pArgErr != 0) COM.MoveMemory(pArgErr, new int[] {0}, 4);
			return COM.DISP_E_MEMBERNOTFOUND;
	}
}
private int OnControlInfoChanged() {
	int[] ppvObject = new int[1];
	if (objIUnknown.QueryInterface(COM.IIDIOleControl, ppvObject) == COM.S_OK) {
		IOleControl objIOleControl = new IOleControl(ppvObject[0]);
		// ask the control for its info in case users
		// need to act on it
		currentControlInfo = new CONTROLINFO();
		objIOleControl.GetControlInfo(currentControlInfo);
		objIOleControl.Release();
	}
	return COM.S_OK;
}
void onFocusIn(Event e) {
	if (objIOleInPlaceObject == null) return;
	doVerb(OLE.OLEIVERB_UIACTIVATE);
	if (isFocusControl()) return;
	int[] phwnd = new int[1];
	objIOleInPlaceObject.GetWindow(phwnd);
	if (phwnd[0] == 0) return;
	OS.SetFocus(phwnd[0]);
}
void onFocusOut(Event e) {
	if (objIOleInPlaceObject != null) {
		objIOleInPlaceObject.UIDeactivate();
	}
}
private int OnFocus(int fGotFocus) {
	return COM.S_OK;
}
protected int OnUIDeactivate(int fUndoable) {
	// controls don't need to do anything for
	// border space or menubars
	state = STATE_INPLACEACTIVE;
	return COM.S_OK;
}
protected int QueryInterface(int riid, int ppvObject) {
	int result = super.QueryInterface(riid, ppvObject);
	if (result == COM.S_OK)
		return result;
	if (riid == 0 || ppvObject == 0)
		return COM.E_INVALIDARG;
	GUID guid = new GUID();
	COM.MoveMemory(guid, riid, GUID.sizeof);
	if (COM.IsEqualGUID(guid, COM.IIDIOleControlSite)) {
		COM.MoveMemory(ppvObject, new int[] {iOleControlSite.getAddress()}, 4);
		AddRef();
		return COM.S_OK;
	}
	if (COM.IsEqualGUID(guid, COM.IIDIDispatch)) {
		COM.MoveMemory(ppvObject, new int[] {iDispatch.getAddress()}, 4);
		AddRef();
		return COM.S_OK;
	}
	COM.MoveMemory(ppvObject, new int[] {0}, 4);
	return COM.E_NOINTERFACE;
}
protected int Release() {
	int result = super.Release();
	if (result == 0) {
		for (int i = 0; i < sitePropertyIds.length; i++) {
			sitePropertyValues[i].dispose();
		}
		sitePropertyIds = new int[0];
		sitePropertyValues = new Variant[0];
	}
	return result;
}
protected void releaseObjectInterfaces() {
	
	disconnectEventSinks();
	
	disconnectPropertyChangeSink();

	super.releaseObjectInterfaces();
}
/**	 
 * Removes the listener.
 *
 * @param eventID the event identifier
 * 
 * @param listener the listener
 *
 * @exception SWTError
 *	<ul><li>ERROR_NULL_ARGUMENT when listener is null</li></ul>
 */
public void removeEventListener(int eventID, OleListener listener) {
	checkWidget();
	if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
	
	GUID riid = getDefaultEventSinkGUID(objIUnknown);
	if (riid != null) {
		removeEventListener(objIUnknown.getAddress(), riid, eventID, listener);
	}
}
/**	 
 * Removes the listener.
 *
 * @since 2.0
 * @deprecated - use OleControlSite.removeEventListener(OleAutomation, int, OleListener)
 * 
 * @param automation the automation object that provides the event notification
 * 
 * @param guid the identifier of the events COM interface
 * 
 * @param eventID the event identifier
 * 
 * @param listener the listener
 *
 * @exception SWTError
 *	<ul><li>ERROR_NULL_ARGUMENT when listener is null</li></ul>
 */
public void removeEventListener(OleAutomation automation, GUID guid, int eventID, OleListener listener) {
	checkWidget();
	if (automation == null || listener == null || guid == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
	removeEventListener(automation.getAddress(), guid, eventID, listener);
}
/**	 
 * Removes the listener.
 *
 * @since 2.0
 * 
 * @param automation the automation object that provides the event notification
 * 
 * @param eventID the event identifier
 * 
 * @param listener the listener
 *
 * @exception SWTError
 *	<ul><li>ERROR_NULL_ARGUMENT when listener is null</li></ul>
 */
public void removeEventListener(OleAutomation automation, int eventID, OleListener listener) {
	checkWidget();
	if (automation == null || listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
	int address = automation.getAddress();
	IUnknown unknown = new IUnknown(address);
	GUID riid = getDefaultEventSinkGUID(unknown);
	if (riid != null) {
		removeEventListener(address, riid, eventID, listener);
	}
}
void removeEventListener(int iunknown, GUID guid, int eventID, OleListener listener) {
	if (listener == null || guid == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
	for (int i = 0; i < oleEventSink.length; i++) {
		if (COM.IsEqualGUID(oleEventSinkGUID[i], guid)) {
			if (iunknown == oleEventSinkIUnknown[i]) {
				oleEventSink[i].removeListener(eventID, listener);
				if (!oleEventSink[i].hasListeners()) {
					//free resources associated with event sink
					oleEventSink[i].disconnect();
					oleEventSink[i].Release();
					int oldLength = oleEventSink.length;
					if (oldLength == 1) {
						oleEventSink = new OleEventSink[0];
						oleEventSinkGUID = new GUID[0];
						oleEventSinkIUnknown = new int[0];
					} else {
						OleEventSink[] newOleEventSink = new OleEventSink[oldLength - 1];
						System.arraycopy(oleEventSink, 0, newOleEventSink, 0, i);
						System.arraycopy(oleEventSink, i + 1, newOleEventSink, i, oldLength - i - 1);
						oleEventSink = newOleEventSink;
						
						GUID[] newOleEventSinkGUID = new GUID[oldLength - 1];
						System.arraycopy(oleEventSinkGUID, 0, newOleEventSinkGUID, 0, i);
						System.arraycopy(oleEventSinkGUID, i + 1, newOleEventSinkGUID, i, oldLength - i - 1);
						oleEventSinkGUID = newOleEventSinkGUID;
						
						int[] newOleEventSinkIUnknown = new int[oldLength - 1];
						System.arraycopy(oleEventSinkIUnknown, 0, newOleEventSinkIUnknown, 0, i);
						System.arraycopy(oleEventSinkIUnknown, i + 1, newOleEventSinkIUnknown, i, oldLength - i - 1);
						oleEventSinkIUnknown = newOleEventSinkIUnknown;
					}
				}
				return;
			}
		}
	}
}
/**	 
 * Removes the listener.
 *
 * @param listener the listener
 *
 * @exception SWTError
 *	<ul><li>ERROR_NULL_ARGUMENT when listener is null</li></ul>
 */
public void removePropertyListener(int propertyID, OleListener listener) {
	if (listener == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
	olePropertyChangeSink.removeListener(propertyID, listener);
}
public void setBackground (Color color) {

	super.setBackground(color);

	//set the background of the ActiveX Control
	if (objIUnknown != null) {
		OleAutomation oleObject= new OleAutomation(this);
		oleObject.setProperty(COM.DISPID_BACKCOLOR, new Variant(color.handle));
		oleObject.dispose();
	}
}
public void setFont (Font font) {

	super.setFont(font);
	
	//set the font of the ActiveX Control
	if (objIUnknown != null) {
		
		OleAutomation oleObject= new OleAutomation(this);
		Variant varDispFont = oleObject.getProperty(COM.DISPID_FONT);
		oleObject.dispose();
	
		if (varDispFont != null){
			OleAutomation iDispFont = varDispFont.getAutomation();
			FontData[] fdata = font.getFontData();
			iDispFont.setProperty(COM.DISPID_FONT_NAME,   new Variant(fdata[0].getName()));
			iDispFont.setProperty(COM.DISPID_FONT_SIZE,   new Variant(fdata[0].getHeight()));
			iDispFont.setProperty(COM.DISPID_FONT_ITALIC, new Variant(fdata[0].getStyle() & SWT.ITALIC));
			//iDispFont.setProperty(COM.DISPID_FONT_CHARSET, new Variant(fdata[0].getCharset));
			iDispFont.setProperty(COM.DISPID_FONT_BOLD,   new Variant((fdata[0].getStyle() & SWT.BOLD)));
			iDispFont.dispose();
		}
	}
		
	return;
}
public void setForeground (Color color) {

	super.setForeground(color);

	//set the foreground of the ActiveX Control
	if (objIUnknown != null) {
		OleAutomation oleObject= new OleAutomation(this);
		oleObject.setProperty(COM.DISPID_FORECOLOR, new Variant(color.handle));
		oleObject.dispose();
	}
}
/**
 * Sets the control site property specified by the dispIdMember to a new value.
 * The value will be disposed by the control site when it is no longer required
 * using Variant.dispose.  Passing a value of null will clear the dispId value.
 * 
 * @param dispId the ID of the property as specified by the IDL of the ActiveX Control
 * @param value The new value for the property as expressed in a Variant.
 *
 * @since 2.1
 */
public void setSiteProperty(int dispId, Variant value){
	for (int i = 0; i < sitePropertyIds.length; i++) {
		if (sitePropertyIds[i] == dispId) {
			if (sitePropertyValues[i] != null) {
				sitePropertyValues[i].dispose();
			}
			if (value != null) {
				sitePropertyValues[i] = value;
			} else {
				int oldLength = sitePropertyIds.length;
				int[] newSitePropertyIds = new int[oldLength - 1];
				Variant[] newSitePropertyValues = new Variant[oldLength - 1];
				System.arraycopy(sitePropertyIds, 0, newSitePropertyIds, 0, i);
				System.arraycopy(sitePropertyIds, i + 1, newSitePropertyIds, i, oldLength - i - 1);
				System.arraycopy(sitePropertyValues, 0, newSitePropertyValues, 0, i);
				System.arraycopy(sitePropertyValues, i + 1, newSitePropertyValues, i, oldLength - i - 1);
				sitePropertyIds = newSitePropertyIds;
				sitePropertyValues = newSitePropertyValues;
			}
			return;
		}
	}
	int oldLength = sitePropertyIds.length;
	int[] newSitePropertyIds = new int[oldLength + 1];
	Variant[] newSitePropertyValues = new Variant[oldLength + 1];
	System.arraycopy(sitePropertyIds, 0, newSitePropertyIds, 0, oldLength);
	System.arraycopy(sitePropertyValues, 0, newSitePropertyValues, 0, oldLength);
	newSitePropertyIds[oldLength] = dispId;
	newSitePropertyValues[oldLength] = value;
	sitePropertyIds = newSitePropertyIds;
	sitePropertyValues = newSitePropertyValues;
}
}