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gcc/libjava/java/awt/Canvas.java
Rolf W. Rasmussen 777e6d799a ComponentDataBlitOp.java: New file.
* gnu/gcj/awt/ComponentDataBlitOp.java: New file.
	* gnu/gcj/awt/GLightweightPeer.java: New file.
	* java/awt/BorderLayout.java: Implemented all methods.
	* java/awt/Button.java (actionListener, actionCommand): Renamed
	and modifier change.
	(addNotify): Call super.
	(dispatchEventImpl): New method.
	(getListeners): New method.
	(label): Made package-private, not private.
	* java/awt/Canvas.java: Implemented class body.
	* java/awt/Color.java (brighter): New method.
	(darker): New method.
	(hashCode): New method.
	* java/awt/Component.java (visible, enabled, eventMask): Set defaults.
	(getGraphicsConfiguration): Delegate to
	getGraphicsConfigurationImpl().
	(getGraphicsConfigurationImpl): New method.
	(getToolkit): Only return value from peer if not null.
	(isDisplayable): Check with parent.
	(isShowing): No parent implies not showing.
	(getForeground): Check parent property if local is null.
	(getBackground): Likewise.
	(getFont): Likewise.
	(setForeground): Inform peer.
	(setBackground): Likewise
	(setLocale): Invalidate component.
	(getColorModel): Implemented.
	(setLocation): Invalidate, or ignore if no change.
	(setSize): Invalidate, or ignore if no change.
	(setBounds): Invalidate, or ignore if no change.
	(isOpaque): By default, heavyweight implies opaque.
	(isLightweight): Implemented.
	(getMaximumSize): Implemented.
	(doLayout): Implemented, NOP.
	(validate): Implemented, NOP.
	(invalidate): Only propagate to parent if parent was valid.
	(getGraphics): Implemented.
	(getFontMetrics): Implemented.
	(update): Implemented.
	(paintAll): Implemented.
	(repaint): Implemented all repaint methods.
	(print): Implemented.
	(printAll): Implemented.
	(createImage): Implemented.
	(dispatchEvent): Give the peer a chance to handle the event.
	(dispatchEventImpl): Dispatch paint events.
	(enableEvents): Lightweights enable events on parent component.
	(coalesceEvents): Coalesce paint events, and select event type
	using a switch.
	(coalescePaintEvents): New method.
	(processEvent): Fix unfortunate ordering of statements, and call
	correct method for MOUSE_CLICKED.
	(processPaintEvent): New method.
	(addNotify): Allow container to notify children before event
	mask is set in peer.
	(addNotifyContainerChildren): New method.
	(removeNotify): Visibility should not change on removeNotify.
	(paramString): Implemented.
	(list): Implemented two of the list methods.
	* Container (myInsets): Removed, insets are managed by peer.
	(getInsets): Query peer.
	(addImpl): Fix reparenting, enable events for lightweights,
	initialize component array.
	(validate): Call doLayout in validateTree() instead.
	(validateTree): Do nothing if already valid. Call beginValidate(),
	endValidate() on peer. Call validateTree() instead of validate()
	for children that are containers. Mark valid after validation of
	children.
	(setFont): Partial implementation.
	(paint): Implemented.
	(visitChildren): New method.
	(visitChild): New method.
	(update): Implemented.
	(print): Implemented.
	(paintComponents): Implemented.
	(printComponents): Consider translation and clipping.
	(getComponentAt): Ignore invisible children. Return this if no
	child match.
	(addNotify): Call super.
	(addNotifyContainerChildren): New method.
	(paramString): Implemented.
	(list): Implemented.
	* java/awt/EventQueue (invokeAndWait): Get system event queue the
	right way.
	(invokeLater): Likewise.
	(isDispatchThread): Likewise.
	* java/awt/FontMetrics (getLeading): Formula change.
	(getDescent): Consider leading also.
	(getMaxAscent): Default to getAscent().
	(getMaxDescent): Default to getDescent.
	(getMaxAdvance): Return value signifying unknown.
	(charWidth): Both methods implemented.
	(charsWidth): Implemented.
	(bytesWidth): Implemented.
	(getWidths): Implemented.
	* java/awt/Frame.java (NORMAL, ICONIFIED, iconImage, isResizable,
	state): New fields.
	(Frame): Rearragend constuctor chaining to disallow null being
	passed as a graphics configuration.
	(getTitle): Return empty string if null.
	(dispose): Removed.
	(getIconImage): New method.
	(setIconImage): New method.
	(finalize): New method.
	(setMenuBar): Notify peer.
	(isResizable): New method.
	(setResizable): New method.
	(getState): New method.
	(getFont): Removed.
	(remove): Implemented.
	(removeNotify): New method.
	(getFrames): New method.
	* java/awt/Graphics.java: Implemented body of class.
	* java/awt/Graphics2D.java: New file.
	* java/awt/GraphicsConfiguration.java: Enabled part of the API.
	* java/awt/Image.java: Implemented body of class.
	* java/awt/Panel.java (Panel): Call correct super constructor.
	(addNotify): Implemented.
	* java/awt/Rectangle.java (isEmpty): Fixed reversed logic.
	* java/awt/RenderingHints.java: New file.
	* java/awt/Toolkit.java (createComponent): Implemented.
	(getSystemEventQueue): Delegate to getSystemEventQueueImpl().
	* java/awt/Window.java (Window): Two new constructors. Reordered
	constructor chaining.
	(getGraphicsConfigurationImpl): New method.
	(finalize): Call super.
	(addNotify): Call super.
	(pack): Do layout stuff.
	(show): Ensure that peer exists and that component is valid.
	(dispose): Dispose owned children.
	(getOwner): Simplify code, casting null pointers is valid.
	(getGraphicsConfiguration): Ask peer if local value is null.
	* java/awt/event/ActionEvent.java (getActionCommand): Renamed from
	getcmd().
	* java/awt/image/BufferedImage.java: New file.
	* java/awt/image/RasterOp.java: New file.
	* java/awt/peer/ComponentPeer.java (getGraphicsConfiguration):
	More powerfull replacement for getColorModel().
	(getColorModel) Removed.
	(setEventMask) New method.
	* Makefile.am: Added new files.
	* Makefile.in: Rebuilt.

From-SVN: r35748
2000-08-16 18:03:48 +00:00

53 lines
1.4 KiB
Java

/* Copyright (C) 2000 Free Software Foundation
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
package java.awt;
import java.awt.peer.ComponentPeer;
public class Canvas extends Component
{
transient GraphicsConfiguration graphicsConfiguration;
public Canvas() { }
public Canvas(GraphicsConfiguration graphicsConfiguration)
{
this.graphicsConfiguration = graphicsConfiguration;
}
GraphicsConfiguration getGraphicsConfigurationImpl()
{
if (graphicsConfiguration != null)
return graphicsConfiguration;
return super.getGraphicsConfigurationImpl();
}
public void addNotify()
{
if (peer == null)
{
peer = (ComponentPeer) getToolkit().createCanvas(this);
}
super.addNotify();
}
/** Override this to create components with custom painting.
Defaults to filling the component with the background color. */
public void paint(Graphics gfx)
{
/* This implementation doesn't make much sense since the filling
of background color is guaranteed for heavyweight components
such as this. But there's no need to worry, since paint() is
usually overridden anyway. */
gfx.setColor(getBackground());
Dimension size = getSize();
gfx.fillRect(0, 0, size.width, size.height);
}
}