--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/draw2d/text/FlowContext.d	Sun Aug 03 00:52:14 2008 +0200
@@ -0,0 +1,91 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2005 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+module dwtx.draw2d.text.FlowContext;
+
+import dwt.dwthelper.utils;
+import dwtx.draw2d.text.FlowBox;
+import dwtx.draw2d.text.CompositeBox;
+import dwtx.draw2d.text.FlowFigure;
+
+/**
+ * The context that a {@link FlowFigureLayout} uses to perform its layout.
+ *
+ * <P>WARNING: This interface is not intended to be implemented by clients. It exists to
+ * define the API between the layout and its context.
+ */
+public interface FlowContext {
+
+/**
+ * Adds the given box into the current line.
+ * @param box the FlowBox to add
+ */
+void addToCurrentLine(FlowBox box);
+
+/**
+ * Adds an entire line into the context. If there is a previous line, it is ended.
+ * @param box the line being added
+ * @since 3.1
+ */
+void addLine(CompositeBox box);
+
+/**
+ * The current line should be committed if it is occupied, and then set to
+ * <code>null</code>. Otherwise, do nothing.
+ */
+void endLine();
+
+/**
+ * This method can be used to query the amount of space left on the current line.  It
+ * can help determine where to wrap during layout.
+ * @return the amount of space left on the current line
+ * @since 3.1
+ */
+int getRemainingLineWidth();
+
+/**
+ * This method is used to convey layout state to different FlowFigures.  This state is
+ * cleared when a fragment is added to the current line and once the layout is complete.
+ * @return <code>true</code> if the next fragment should be placed on the current line
+ * @since 3.1
+ * @see #setContinueOnSameLine(bool)
+ */
+bool getContinueOnSameLine();
+
+/**
+ * This method looks ahead for line-breaks.  When laying out, this method can be used
+ * to determine the next line-break across multiple figures.
+ *
+ * @param child the search will occur starting from the figure after the given child
+ * @param width the width before the next line-break (if one's found; all the width,
+ * otherwise) will be added on to the first int in the given array
+ * @since 3.1
+ */
+void getWidthLookahead(FlowFigure child, int width[]);
+
+/**
+ * @return <code>true</code> if the current line contains any fragments
+ */
+bool isCurrentLineOccupied();
+
+/**
+ * This method is used to convey layout state to different FlowFigures.  This state is
+ * cleared when a fragment is added and once the layout is complete.
+ *
+ * @param value <code>true</code> indicates that the first fragment of the next TextFlow
+ * should be laid out on the current line, and not a new one
+ * @since 3.1
+ * @see #getContinueOnSameLine()
+ */
+void setContinueOnSameLine(bool value);
+
+}