toolkit.java

kaffe是一个java虚拟机的源代码。里面包含了一些java例程和标准的java包。

native static synchronized int fntGetLeading ( Ptr fmData);

native static synchronized int fntGetMaxAdvance ( Ptr fmData);

native static synchronized int fntGetMaxAscent ( Ptr fmData);

native static synchronized int fntGetMaxDescent ( Ptr fmData);

native static synchronized int[] fntGetWidths ( Ptr fmData );

native static synchronized Ptr fntInitFont ( String fntSpec, int style, int size );

native static synchronized Ptr fntInitFontMetrics ( Ptr fontData);

native static synchronized boolean fntIsWideFont ( Ptr fmData);

native static synchronized int fntStringWidth ( Ptr fmData, String s );

public ColorModel getColorModel () {
	return null;
}

public static Toolkit getDefaultToolkit () {
	return singleton;
}

public String[] getFontList () {
	String[] list = { "Default", "Monospaced",
		"SansSerif", "Serif",
		"Dialog", "DialogInput", "ZapfDingbats" };
	return list;
}

public FontMetrics getFontMetrics ( Font font ) {
	return FontMetrics.getFontMetrics( font);
}

public Image getImage ( String filename ) {
	return new Image( new File( filename));
}

public Image getImage ( URL url ) {
	return new Image( url);
}

public int getMenuShortcutKeyMask() {
	return InputEvent.CTRL_MASK;
}

static Ptr getNativeData( Component c) {
	if ( c instanceof NativeComponent )
		return ( (NativeComponent)c).nativeData;
	else if ( c instanceof NativeContainer )
		return ( (NativeContainer)c).nativeData;
	else
		return null;
}

public PrintJob getPrintJob ( Frame frame, String jobtitle, Properties props ) {
	return new PSPrintJob( frame, jobtitle, props);
}

public static String getProperty ( String key, String defaultValue ) {
	return null;
}

public Dimension getScreenSize () {
	return screenSize;
}

public Clipboard getSystemClipboard () {
	if ( clipboard == null )
		clipboard = new NativeClipboard();

	return clipboard;
}

public EventQueue getSystemEventQueue () {
	return eventQueue;
}

native static synchronized void graCleanUpGraphics ( Ptr grData );

native static synchronized void graClearRect ( Ptr grData, int x, int y, int width, int height );

native static synchronized void graCopyArea ( Ptr grData, int x, int y, int width, int height,
                   int xDelta, int yDelta );

native static synchronized void graDraw3DRect ( Ptr grData, int x, int y, int width, int height,
                     boolean raised, int rgbValue );

native static synchronized void graDrawArc ( Ptr grData, int x, int y, int width, int height, int startAngle, int arcAngle );

native static synchronized void graDrawBytes ( Ptr grData, byte[] data, int offset, int length, int x, int y );

native static synchronized void graDrawChars ( Ptr grData, char[] data, int offset, int length, int x, int y );

native static synchronized void graDrawImage( Ptr grData, Ptr imgData, int src_x, int src_y, int dst_x, int dst_y, int w, int h, int bgval );

native static synchronized void graDrawImageScaled ( Ptr grData, Ptr imgData,
                          int dx0, int dy0, int dx1, int dy1,
                          int sx0, int sy0, int sx1, int sy1, int bgval );

native static synchronized void graDrawLine ( Ptr grData, int x1, int y1, int x2, int y2 );

native static synchronized void graDrawOval ( Ptr grData, int x, int y, int width, int height );

native static synchronized void graDrawPolygon ( Ptr grData, int[] xPoints, int[] yPoints, int nPoints );

native static synchronized void graDrawPolyline ( Ptr grData, int[] xPoints, int[] yPoints, int nPoints );

native static synchronized void graDrawRect ( Ptr grData, int x, int y, int width, int height );

native static synchronized void graDrawRoundRect ( Ptr grData, int x, int y, int width, int height,
                        int arcWidth, int arcHeight );

native static synchronized void graDrawString ( Ptr grData, String s, int x, int y );

native static synchronized void graFill3DRect ( Ptr grData, int x, int y, int width, int height,
                     boolean raised, int rgbValue );

native static synchronized void graFillArc ( Ptr grData, int x, int y, int width, int height, int startAngle, int arcAngle );

native static synchronized void graFillOval ( Ptr grData, int x, int y, int width, int height );

native static synchronized void graFillPolygon ( Ptr grData, int[] xPoints, int[] yPoints, int nPoints );

native static synchronized void graFillRect ( Ptr grData, int x, int y, int width, int height );

native static synchronized void graFillRoundRect ( Ptr grData, int x, int y, int width, int height,
                        int arcWidth, int arcHeight );

native static synchronized void graFreeGraphics ( Ptr grData );

native static synchronized Ptr graInitGraphics ( Ptr grData, Ptr tgtData, int tgtType,
                      int xOffset, int yOffset,
                      int xClip, int yClip, int wClip, int hClip,
                      Ptr fontData, int fgClr, int bgClr, boolean blank );

native static synchronized void graSetBackColor ( Ptr grData, int pixelValue );

native static synchronized void graSetClip ( Ptr grData, int xClip, int yClip, int wClip, int hClip );

native static synchronized void graSetColor ( Ptr grData, int pixelValue );

native static synchronized void graSetFont ( Ptr grData, Ptr fontData );

native static synchronized void graSetOffset ( Ptr grData, int xOffset, int yOffset );

native static synchronized void graSetPaintMode ( Ptr grData );

native static synchronized void graSetVisible ( Ptr grData, boolean isVisible );

native static synchronized void graSetXORMode ( Ptr grData, int xClr );

native static synchronized void imgComplete ( Ptr imgData, int status );

native static synchronized Ptr imgCreateFromData( byte[] buf, int offset, int len);

native static synchronized Ptr imgCreateFromFile( String gifPath);

native static synchronized Ptr imgCreateImage( int w, int h);

native static synchronized Ptr imgCreateScaledImage( Ptr imgData, int w, int h);

native static synchronized Ptr imgCreateScreenImage( int w, int h);

native static synchronized void imgFreeImage ( Ptr imgData );

native static synchronized int imgGetHeight( Ptr imgData);

native static synchronized int imgGetLatency ( Ptr imgData );

native static synchronized Ptr imgGetNextFrame ( Ptr imgData );

native static synchronized int imgGetWidth( Ptr imgData);

native static synchronized boolean imgIsMultiFrame( Ptr imgData);

native static synchronized void imgProduceImage( ImageNativeProducer prod, Ptr imgData);

native static synchronized Ptr imgSetFrame( Ptr imgData, int frame);

native static synchronized void imgSetIdxPels( Ptr imgData, int x, int y, int w, int h, int[] rgbs, byte[] pels, int trans, int off, int scans);

native static synchronized void imgSetRGBPels( Ptr imgData, int x, int y, int w, int h, int[] rgbs, int off, int scans);

static synchronized void initToolkit () {
	// this is called when the native layer has been initialized, and it is safe
	// to query native settings / rely on native functionality

	screenSize = new Dimension( tlkGetScreenWidth(), tlkGetScreenHeight());
	resolution = tlkGetResolution();

	// we do this here to keep the getDefaultToolkit() method as simple
	// as possible (since it might be called frequently). This is a
	// deviation from the normal Singleton (which initializes the singleton
	// instance upon request)
	singleton = new Toolkit();
	eventQueue = new EventQueue();

	/**
	  if ( Defaults.ConsoleClass != null ){
	  // since we have to defer the ConsoleWindow until the native Toolkit is propperly
	  // initialized, it seems to be a good idea to defuse any output to the standard streams
	  // (which might cause SEGFAULTS on some systems (e.g. DOS)
	  System.setOut( new PrintStream( NullOutputStream.singleton));
	  System.setErr( System.out);
	  }
	 **/

	if ( (flags & NATIVE_DISPATCHER_LOOP)	!= 0 ) {
		// let the world know we are ready to take over, native-wise
		Toolkit.class.notify();
	}
}

static boolean isInCreateThread () {
	if ( (flags & IS_DISPATCH_EXCLUSIVE) != 0 ){
		if ( (flags & NATIVE_DISPATCHER_LOOP) != 0 ){
			if ( Thread.currentThread() != collectorThread )
				return false;
		}
		else {
			if ( Thread.currentThread() != eventThread )
				return false;
		}
	}

	return true;
}

native static synchronized Ptr lblCreateLabel( Ptr parent, String text);

native static synchronized void lblSetJustify( Ptr data, int adjust);

native static synchronized void lblSetText( Ptr data, String text);

protected void loadSystemColors ( int[] sysColors ) {
	clrSetSystemColors( sysColors);
}

native static synchronized void lstAppendItem( Ptr data, String item);

native static synchronized Ptr lstCreateList( Ptr parent, boolean multipleMode);

native static synchronized void lstFreeze( Ptr data);

native static synchronized int[] lstGetSelectionIdxs( Ptr data);

native static synchronized int lstGetVisibleIndex( Ptr data);

native static synchronized void lstInsertItem( Ptr data, String item, int idx);

native static synchronized void lstRemoveAll( Ptr data);

native static synchronized void lstRemoveItem( Ptr data, int idx);

native static synchronized void lstReplaceItem( Ptr data, String item, int idx);

native static synchronized void lstSelectItem( Ptr data, int idx);

native static synchronized void lstSetMultipleMode( Ptr data, boolean mul);

native static synchronized void lstThaw( Ptr data);

native static synchronized void lstUnselectItem( Ptr data, int idx);

native static synchronized void menuAssign ( Ptr owner, Ptr data, int x, int y );

native static synchronized void menuCheckItem( Ptr data, MenuItem mi, boolean state );

native static synchronized Ptr menuCreateMenu( boolean popup);

native static synchronized void menuDeleteMenu ( Ptr data);

native static synchronized void menuEnableItem( Ptr data, MenuItem mi, boolean state );

native static synchronized void menuInsertItem( Ptr data, Ptr subMenu, String item, int pos, MenuItem mi);

native static synchronized void menuRemoveItem( Ptr data, MenuComponent mc );

public boolean prepareImage ( Image image, int width, int height, ImageObserver observer ) {
	return (Image.loadImage( image, width, height, observer));
}

static void redirectStreams () {
	try {
		LogClient lv = (LogClient) Class.forName( Defaults.ConsoleClass).newInstance();
		LogStream ls = new LogStream( 30, lv);
		lv.enable();

		System.setOut( new PrintStream( ls) );
		System.setErr( System.out);

		System.out.println( "Java console enabled");
	}
	catch ( Exception x ) {
		System.err.println( "unable to redirect out, err");
		x.printStackTrace();
	}
}

native static synchronized Ptr scrollCreateScrollbar( Ptr parent, boolean vert);

native static synchronized void scrollSetOrientation( Ptr data, boolean vert);

native static synchronized void scrollSetPage( Ptr data, int page);

native static synchronized void scrollSetPos( Ptr data, int pos);

native static synchronized void scrollSetRange( Ptr data, int min, int max);

native static synchronized void scrollSetValues( Ptr data, int pos, int min, int max, int page);

static synchronized void startDispatch () {
	if ( eventThread == null ) {
		eventThread = new EventDispatchThread( eventQueue);
		eventThread.start();

		// we defer the Console creation / output redirection up to this point, since we otherwise
		// might get all sort of trouble because of a incompletely initialized native layer / Toolkit
		if ( Defaults.ConsoleClass != null )
			redirectStreams();
	}

	if ( ((flags & NEEDS_FLUSH) != 0) && (flushThread == null) ){
		flushThread = new FlushThread( Defaults.GraFlushRate);
		flushThread.start();
	}
}

static synchronized void stopDispatch () {
	if ( eventThread != null ) {
		eventThread.stopDispatching();
		eventThread = null;
	}

	if ( flushThread != null ){
		flushThread.stopFlushing();
		flushThread = null;
	}
}

public void sync () {
	tlkSync();
}

static void terminate () {
	if ( clipboard != null )
		clipboard.dispose();

	stopDispatch();
	tlkTerminate();
}

native static synchronized void tlkBeep ();

native static synchronized void tlkDisplayBanner ( String banner );

native static synchronized void tlkFlush ();

native static synchronized int tlkGetMenubarHeight ();

native static synchronized int tlkGetResolution ();

native static synchronized int tlkGetScreenHeight ();

native static synchronized int tlkGetScreenWidth ();

native static boolean tlkInit ( String displayName );

native static synchronized int tlkProperties();

native static synchronized void tlkSync ();

native static synchronized void tlkTerminate ();

native static synchronized String tlkVersion ();

native static synchronized Ptr widgetCreateWidget( Ptr parent);

native static synchronized Ptr wndCreateDialog ( Ptr ownerData, String title, int x, int y, int width, int height,
                      int cursorType, int bgColor, boolean isResizable );

native static synchronized Ptr wndCreateFrame ( String title, int x, int y, int width, int height,
                     int cursorType, int bgColor, boolean isResizable );

native static synchronized Ptr wndCreateWindow ( Ptr ownerData, int x, int y, int width, int height,
                      int cursorType, int bgColor );

native static synchronized void wndDestroyWindow ( Ptr wndData );

native static synchronized void wndRepaint ( Ptr wndData, int x, int y, int width, int height );

native static synchronized void wndRequestFocus ( Ptr wndData );

native static synchronized void wndSetBounds ( Ptr wndData, int x, int y, int width, int height, boolean isResizable );

native static synchronized void wndSetCursor ( Ptr wndData, int cursorType );

native static synchronized int wndSetDialogInsets ( int top, int left, int bottom, int right);

native static synchronized int wndSetFrameInsets ( int top, int left, int bottom, int right);

native static synchronized void wndSetIcon ( Ptr wndData, Ptr iconData );

native static synchronized void wndSetResizable ( Ptr wndData, boolean isResizable,
                       int x, int y, int width, int height );

native static synchronized void wndSetTitle ( Ptr wndData, String title );

native static synchronized void wndSetVisible ( Ptr wndData, boolean showIt );

native static synchronized void wndToBack ( Ptr wndData );

native static synchronized void wndToFront ( Ptr wndData );
}