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Diffstat (limited to 'libjava/gnu/java/awt/peer/gtk/GtkToolkit.java')
| -rw-r--r-- | libjava/gnu/java/awt/peer/gtk/GtkToolkit.java | 670 |
1 files changed, 0 insertions, 670 deletions
diff --git a/libjava/gnu/java/awt/peer/gtk/GtkToolkit.java b/libjava/gnu/java/awt/peer/gtk/GtkToolkit.java deleted file mode 100644 index 10afde77c74..00000000000 --- a/libjava/gnu/java/awt/peer/gtk/GtkToolkit.java +++ /dev/null @@ -1,670 +0,0 @@ -/* GtkToolkit.java -- Implements an AWT Toolkit using GTK for peers - Copyright (C) 1998, 1999, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package gnu.java.awt.peer.gtk; - -import gnu.classpath.Configuration; -import gnu.java.awt.EmbeddedWindow; -import gnu.java.awt.EmbeddedWindowSupport; -import gnu.java.awt.peer.ClasspathFontPeer; -import gnu.java.awt.peer.ClasspathTextLayoutPeer; -import gnu.java.awt.peer.EmbeddedWindowPeer; - -import java.awt.*; -import java.awt.datatransfer.Clipboard; -import java.awt.dnd.DragGestureEvent; -import java.awt.dnd.peer.DragSourceContextPeer; -import java.awt.font.FontRenderContext; -import java.awt.im.InputMethodHighlight; -import java.awt.image.BufferedImage; -import java.awt.image.ColorModel; -import java.awt.image.ImageConsumer; -import java.awt.image.ImageObserver; -import java.awt.image.ImageProducer; -import java.awt.peer.*; -import java.io.InputStream; -import java.net.URL; -import java.text.AttributedString; -import java.util.HashMap; -import java.util.HashSet; -import java.util.Hashtable; -import java.util.Iterator; -import java.util.LinkedHashMap; -import java.util.Map; -import java.util.Properties; - -import javax.imageio.spi.IIORegistry; - -/* This class uses a deprecated method java.awt.peer.ComponentPeer.getPeer(). - This merits comment. We are basically calling Sun's bluff on this one. - We think Sun has deprecated it simply to discourage its use as it is - bad programming style. However, we need to get at a component's peer in - this class. If getPeer() ever goes away, we can implement a hash table - that will keep up with every window's peer, but for now this is faster. */ - -/** - * This class accesses a system property called - * <tt>gnu.java.awt.peer.gtk.Graphics</tt>. If the property is defined and - * equal to "Graphics2D", the cairo-based GdkGraphics2D will be used in - * drawing contexts. Any other value will cause the older GdkGraphics - * object to be used. - */ -public class GtkToolkit extends gnu.java.awt.ClasspathToolkit - implements EmbeddedWindowSupport -{ - Hashtable containers = new Hashtable(); - static EventQueue q; - static Clipboard systemClipboard; - static boolean useGraphics2dSet; - static boolean useGraphics2d; - - public static boolean useGraphics2D() - { - if (useGraphics2dSet) - return useGraphics2d; - useGraphics2d = System.getProperty("gnu.java.awt.peer.gtk.Graphics", - "Graphics").equals("Graphics2D"); - useGraphics2dSet = true; - return useGraphics2d; - } - - static native void gtkInit(int portableNativeSync); - - static - { - if (Configuration.INIT_LOAD_LIBRARY) - System.loadLibrary("gtkpeer"); - - int portableNativeSync; - String portNatSyncProp = - System.getProperty("gnu.classpath.awt.gtk.portable.native.sync"); - - if (portNatSyncProp == null) - portableNativeSync = -1; // unset - else if (Boolean.valueOf(portNatSyncProp).booleanValue()) - portableNativeSync = 1; // true - else - portableNativeSync = 0; // false - - gtkInit(portableNativeSync); - } - - public GtkToolkit () - { - systemClipboard = new GtkClipboard (); - } - - public native void beep(); - private native void getScreenSizeDimensions(int[] xy); - - public int checkImage (Image image, int width, int height, - ImageObserver observer) - { - int status = ImageObserver.ALLBITS - | ImageObserver.WIDTH - | ImageObserver.HEIGHT; - - if (image instanceof GtkImage) - { - status = ((GtkImage) image).checkImage (); - } - - if (observer != null) - observer.imageUpdate (image, status, - -1, -1, - image.getWidth (observer), - image.getHeight (observer)); - - return status; - } - - /** - * A helper class to return to clients in cases where a BufferedImage is - * desired but its construction fails. - */ - private class GtkErrorImage extends Image - { - public GtkErrorImage() - { - } - - public int getWidth(ImageObserver observer) - { - return -1; - } - - public int getHeight(ImageObserver observer) - { - return -1; - } - - public ImageProducer getSource() - { - - return new ImageProducer() - { - HashSet consumers = new HashSet(); - public void addConsumer(ImageConsumer ic) - { - consumers.add(ic); - } - - public boolean isConsumer(ImageConsumer ic) - { - return consumers.contains(ic); - } - - public void removeConsumer(ImageConsumer ic) - { - consumers.remove(ic); - } - - public void startProduction(ImageConsumer ic) - { - consumers.add(ic); - Iterator i = consumers.iterator(); - while(i.hasNext()) - { - ImageConsumer c = (ImageConsumer) i.next(); - c.imageComplete(ImageConsumer.IMAGEERROR); - } - } - public void requestTopDownLeftRightResend(ImageConsumer ic) - { - startProduction(ic); - } - }; - } - - public Graphics getGraphics() - { - return null; - } - - public Object getProperty(String name, ImageObserver observer) - { - return null; - } - public Image getScaledInstance(int width, int height, int flags) - { - return new GtkErrorImage(); - } - - public void flush() - { - } - } - - - /** - * Helper to return either a BufferedImage -- the argument -- or a - * GtkErrorImage if the argument is null. - */ - - private Image bufferedImageOrError(BufferedImage b) - { - if (b == null) - return new GtkErrorImage(); - else - return b; - } - - - public Image createImage (String filename) - { - if (useGraphics2D()) - return bufferedImageOrError(GdkPixbufDecoder.createBufferedImage (filename)); - else - { - GdkPixbufDecoder d = new GdkPixbufDecoder (filename); - GtkImage image = new GtkImage (d, null); - d.startProduction (image); - return image; - } - } - - public Image createImage (URL url) - { - if (useGraphics2D()) - return bufferedImageOrError(GdkPixbufDecoder.createBufferedImage (url)); - else - { - GdkPixbufDecoder d = new GdkPixbufDecoder (url); - GtkImage image = new GtkImage (d, null); - d.startProduction (image); - return image; - } - } - - public Image createImage (ImageProducer producer) - { - if (useGraphics2D()) - return bufferedImageOrError(GdkPixbufDecoder.createBufferedImage (producer)); - else - { - GtkImage image = new GtkImage (producer, null); - producer.startProduction (image); - return image; - } - } - - public Image createImage (byte[] imagedata, int imageoffset, - int imagelength) - { - if (useGraphics2D()) - return bufferedImageOrError(GdkPixbufDecoder.createBufferedImage (imagedata, - imageoffset, - imagelength)); - else - { - GdkPixbufDecoder d = new GdkPixbufDecoder (imagedata, - imageoffset, - imagelength); - GtkImage image = new GtkImage (d, null); - d.startProduction (image); - return image; - } - } - - /** - * Creates an ImageProducer from the specified URL. The image is assumed - * to be in a recognised format. - * - * @param url URL to read image data from. - */ - public ImageProducer createImageProducer(URL url) - { - return new GdkPixbufDecoder(url); - } - - public ColorModel getColorModel () - { - return ColorModel.getRGBdefault (); - } - - public String[] getFontList () - { - return (new String[] { "Dialog", - "DialogInput", - "Monospaced", - "Serif", - "SansSerif" }); - } - - private class LRUCache extends LinkedHashMap - { - int max_entries; - public LRUCache(int max) - { - super(max, 0.75f, true); - max_entries = max; - } - protected boolean removeEldestEntry(Map.Entry eldest) - { - return size() > max_entries; - } - } - - private LRUCache fontCache = new LRUCache(50); - private LRUCache metricsCache = new LRUCache(50); - private LRUCache imageCache = new LRUCache(50); - - public FontMetrics getFontMetrics (Font font) - { - synchronized (metricsCache) - { - if (metricsCache.containsKey(font)) - return (FontMetrics) metricsCache.get(font); - } - - FontMetrics m = new GdkFontMetrics (font); - synchronized (metricsCache) - { - metricsCache.put(font, m); - } - return m; - } - - public Image getImage (String filename) - { - if (imageCache.containsKey(filename)) - return (Image) imageCache.get(filename); - else - { - Image im = createImage(filename); - imageCache.put(filename, im); - return im; - } - } - - public Image getImage (URL url) - { - if (imageCache.containsKey(url)) - return (Image) imageCache.get(url); - else - { - Image im = createImage(url); - imageCache.put(url, im); - return im; - } - } - - public PrintJob getPrintJob (Frame frame, String jobtitle, Properties props) - { - return null; - } - - public native int getScreenResolution(); - - public Dimension getScreenSize () - { - int dim[] = new int[2]; - getScreenSizeDimensions(dim); - return new Dimension(dim[0], dim[1]); - } - - public Clipboard getSystemClipboard() - { - return systemClipboard; - } - - public boolean prepareImage (Image image, int width, int height, - ImageObserver observer) - { - GtkImage i = (GtkImage) image; - - if (i.isLoaded ()) return true; - - class PrepareImage extends Thread - { - GtkImage image; - ImageObserver observer; - - PrepareImage (GtkImage image, ImageObserver observer) - { - this.image = image; - image.setObserver (observer); - } - - public void run () - { - image.source.startProduction (image); - } - } - - new PrepareImage (i, observer).start (); - return false; - } - - public native void sync(); - - protected void setComponentState (Component c, GtkComponentPeer cp) - { - /* Make the Component reflect Peer defaults */ - if (c.getForeground () == null) - c.setForeground (cp.getForeground ()); - if (c.getBackground () == null) - c.setBackground (cp.getBackground ()); - // if (c.getFont () == null) - // c.setFont (cp.getFont ()); - - /* Make the Peer reflect the state of the Component */ - if (! (c instanceof Window)) - { - cp.setCursor (c.getCursor ()); - - Rectangle bounds = c.getBounds (); - cp.setBounds (bounds.x, bounds.y, bounds.width, bounds.height); - cp.setVisible (c.isVisible ()); - } - } - - protected ButtonPeer createButton (Button b) - { - return new GtkButtonPeer (b); - } - - protected CanvasPeer createCanvas (Canvas c) - { - return new GtkCanvasPeer (c); - } - - protected CheckboxPeer createCheckbox (Checkbox cb) - { - return new GtkCheckboxPeer (cb); - } - - protected CheckboxMenuItemPeer createCheckboxMenuItem (CheckboxMenuItem cmi) - { - return new GtkCheckboxMenuItemPeer (cmi); - } - - protected ChoicePeer createChoice (Choice c) - { - return new GtkChoicePeer (c); - } - - protected DialogPeer createDialog (Dialog d) - { - return new GtkDialogPeer (d); - } - - protected FileDialogPeer createFileDialog (FileDialog fd) - { - return new GtkFileDialogPeer (fd); - } - - protected FramePeer createFrame (Frame f) - { - return new GtkFramePeer (f); - } - - protected LabelPeer createLabel (Label label) - { - return new GtkLabelPeer (label); - } - - protected ListPeer createList (List list) - { - return new GtkListPeer (list); - } - - protected MenuPeer createMenu (Menu m) - { - return new GtkMenuPeer (m); - } - - protected MenuBarPeer createMenuBar (MenuBar mb) - { - return new GtkMenuBarPeer (mb); - } - - protected MenuItemPeer createMenuItem (MenuItem mi) - { - return new GtkMenuItemPeer (mi); - } - - protected PanelPeer createPanel (Panel p) - { - return new GtkPanelPeer (p); - } - - protected PopupMenuPeer createPopupMenu (PopupMenu target) - { - return new GtkPopupMenuPeer (target); - } - - protected ScrollPanePeer createScrollPane (ScrollPane sp) - { - return new GtkScrollPanePeer (sp); - } - - protected ScrollbarPeer createScrollbar (Scrollbar sb) - { - return new GtkScrollbarPeer (sb); - } - - protected TextAreaPeer createTextArea (TextArea ta) - { - return new GtkTextAreaPeer (ta); - } - - protected TextFieldPeer createTextField (TextField tf) - { - return new GtkTextFieldPeer (tf); - } - - protected WindowPeer createWindow (Window w) - { - return new GtkWindowPeer (w); - } - - public EmbeddedWindowPeer createEmbeddedWindow (EmbeddedWindow w) - { - return new GtkEmbeddedWindowPeer (w); - } - - /** - * @deprecated part of the older "logical font" system in earlier AWT - * implementations. Our newer Font class uses getClasspathFontPeer. - */ - protected FontPeer getFontPeer (String name, int style) { - // All fonts get a default size of 12 if size is not specified. - return getFontPeer(name, style, 12); - } - - /** - * Private method that allows size to be set at initialization time. - */ - private FontPeer getFontPeer (String name, int style, int size) - { - Map attrs = new HashMap (); - ClasspathFontPeer.copyStyleToAttrs (style, attrs); - ClasspathFontPeer.copySizeToAttrs (size, attrs); - return getClasspathFontPeer (name, attrs); - } - - /** - * Newer method to produce a peer for a Font object, even though Sun's - * design claims Font should now be peerless, we do not agree with this - * model, hence "ClasspathFontPeer". - */ - - public ClasspathFontPeer getClasspathFontPeer (String name, Map attrs) - { - Map keyMap = new HashMap (attrs); - // We don't know what kind of "name" the user requested (logical, face, - // family), and we don't actually *need* to know here. The worst case - // involves failure to consolidate fonts with the same backend in our - // cache. This is harmless. - keyMap.put ("GtkToolkit.RequestedFontName", name); - if (fontCache.containsKey (keyMap)) - return (ClasspathFontPeer) fontCache.get (keyMap); - else - { - ClasspathFontPeer newPeer = new GdkFontPeer (name, attrs); - fontCache.put (keyMap, newPeer); - return newPeer; - } - } - - public ClasspathTextLayoutPeer getClasspathTextLayoutPeer (AttributedString str, - FontRenderContext frc) - { - return new GdkTextLayout(str, frc); - } - - protected EventQueue getSystemEventQueueImpl() - { - synchronized (GtkToolkit.class) - { - if (q == null) - { - q = new EventQueue(); - GtkGenericPeer.enableQueue (q); - } - } - return q; - } - - protected native void loadSystemColors (int[] systemColors); - - public DragSourceContextPeer createDragSourceContextPeer(DragGestureEvent e) - { - throw new Error("not implemented"); - } - - public Map mapInputMethodHighlight(InputMethodHighlight highlight) - { - throw new Error("not implemented"); - } - - public Rectangle getBounds() - { - int[] dims = new int[2]; - getScreenSizeDimensions(dims); - return new Rectangle(0, 0, dims[0], dims[1]); - } - - // ClasspathToolkit methods - - public GraphicsEnvironment getLocalGraphicsEnvironment() - { - return new GdkGraphicsEnvironment(this); - } - - public Font createFont(int format, InputStream stream) - { - throw new UnsupportedOperationException(); - } - - public RobotPeer createRobot (GraphicsDevice screen) throws AWTException - { - return new GdkRobotPeer (screen); - } - - public void registerImageIOSpis(IIORegistry reg) - { - GdkPixbufDecoder.registerSpis(reg); - } - - public native boolean nativeQueueEmpty(); - public native void wakeNativeQueue(); - public native void iterateNativeQueue(EventQueue locked, boolean block); - -} // class GtkToolkit |
