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Diffstat (limited to 'embeddedobj/test/Container1/NativeView.java')
| -rwxr-xr-x | embeddedobj/test/Container1/NativeView.java | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/embeddedobj/test/Container1/NativeView.java b/embeddedobj/test/Container1/NativeView.java deleted file mode 100755 index 56bfc1f668..0000000000 --- a/embeddedobj/test/Container1/NativeView.java +++ /dev/null @@ -1,177 +0,0 @@ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - *************************************************************************/ -package embeddedobj.test; - -// __________ Imports __________ - -import java.awt.*; -import java.lang.*; -import java.awt.event.*; - -// __________ Implementation __________ - -/** - * Class to pass the system window handle to the OpenOffice.org toolkit. - * It use special JNI methods to get the system handle of used java window. - * - * Attention! - * Use JNI functions on already visible canvas objects only! - * Otherwise they can make some trouble. - * - * @author Andreas Schlüns - * @created 22.02.2002 08:47 - */ - -public class NativeView extends java.awt.Canvas -{ - // ____________________ - - /** - * ctor - * Does nothing realy. - * We can use our JNI mechanism for an already visible - * canvas only. So we overload the method for showing ( "setVisible()" ) - * and make our intialization there. BUt we try to show an empty clean - * window till there. - */ - public NativeView() - { - maHandle = null; - maSystem = 0; - this.setBackground( Color.white ); - } - - // ____________________ - - /** - * Overload this method to make neccessary initializations here. - * ( e.g. get the window handle and neccessary system informations ) - * - * Why here? - * Because the handle seams to be available for already visible windows - * only. So it's the best place to get it. Special helper method - * can be called more then ones - but call native code one times only - * and safe the handle and the system type on our members maHandle/maSystem! - */ - public void setVisible( boolean bState ) - { - getHWND(); - } - - // ____________________ - - /** - * to guarantee right resize handling inside a swing container - * ( e.g. JSplitPane ) we must provide some informations about our - * prefered/minimum and maximum size. - */ - public Dimension getPreferredSize() - { - return new Dimension( 800, 600 ); - } - - public Dimension getMaximumSize() - { - return new Dimension( 1024, 768 ); - } - - public Dimension getMinimumSize() - { - return new Dimension( 300, 300 ); - } - - // ____________________ - - /** - * overload paint routine to show provide against - * repaint errors if no office view is realy plugged - * into this canvas. - * If handle is present - we shouldn't paint anything further. - * May the remote window is already plugged. In such case we - * shouldn't paint it over. - */ - public void paint( Graphics aGraphic ) - { - if( maHandle == null ) - { - Dimension aSize = getSize(); - aGraphic.clearRect( 0, 0, aSize.width, aSize.height ); - } - } - - // ____________________ - - /** - * JNI interface of this class - * These two methods are implemented by using JNI mechanismen. - * The will be used to get the platform dependent window handle - * of a java awt canvas. This handle can be used to create an office - * window as direct child of it. So it's possible to plug Office - * windows in a java UI container. - * - * Note: - * Native code for windows register special function pointer to handle - * window messages ... But if it doesn't check for an already registered - * instance of this handler it will do it twice and produce a stack overflow - * because such method call herself in a never ending loop ... - * So we try to use the JNI code one times only and safe already getted - * informations inside this class. - */ - public native int getNativeWindowSystemType(); - private native long getNativeWindow(); // private! => use getHWND() with cache mechanism! - - public Integer getHWND() - { - if( maHandle == null ) - { - maHandle = new Integer( (int )getNativeWindow() ); - maSystem = getNativeWindowSystemType(); - } - return maHandle; - } - - // ____________________ - - /** - * for using of the JNI methods it's neccessary to load - * system library which exports it. - */ - static - { - System.loadLibrary( "nativeview" ); - } - - // ____________________ - - /** - * @member maHandle system window handle - * @member maSystem info about currently used platform - */ - public Integer maHandle ; - public int maSystem ; -} - |