--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/ui/internal/forms/widgets/ObjectSegment.d	Sat May 24 05:11:16 2008 +0200
@@ -0,0 +1,158 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2007 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.ui.internal.forms.widgets.ObjectSegment;
+
+import dwtx.ui.internal.forms.widgets.ParagraphSegment;
+import dwtx.ui.internal.forms.widgets.Locator;
+import dwtx.ui.internal.forms.widgets.SelectionData;
+
+import dwt.DWT;
+import dwt.graphics.GC;
+import dwt.graphics.Point;
+import dwt.graphics.Rectangle;
+
+import dwt.dwthelper.utils;
+
+public abstract class ObjectSegment : ParagraphSegment {
+    public static const int TOP = 1;
+
+    public static const int MIDDLE = 2;
+
+    public static const int BOTTOM = 3;
+
+    private int alignment = BOTTOM;
+    private bool nowrap=false;
+    private Rectangle bounds;
+    private String objectId;
+
+    public int getVerticalAlignment() {
+        return alignment;
+    }
+
+    void setVerticalAlignment(int alignment) {
+        this.alignment = alignment;
+    }
+
+    public String getObjectId() {
+        return objectId;
+    }
+
+    void setObjectId(String objectId) {
+        this.objectId = objectId;
+    }
+
+    protected abstract Point getObjectSize(Hashtable resourceTable, int wHint);
+
+    public bool advanceLocator(GC gc, int wHint, Locator loc,
+            Hashtable objectTable, bool computeHeightOnly) {
+        Point objectSize = getObjectSize(objectTable, wHint);
+        int iwidth = 0;
+        int iheight = 0;
+        bool newLine = false;
+
+        if (objectSize !is null) {
+            iwidth = objectSize.x + (isSelectable()?2:0);
+            iheight = objectSize.y + (isSelectable()?2:0);
+        }
+        if (wHint !is DWT.DEFAULT && !nowrap && loc.x + iwidth > wHint) {
+            // new line
+            if (computeHeightOnly)
+                loc.collectHeights();
+            loc.x = loc.indent;
+            loc.x += iwidth;
+            loc.y += loc.rowHeight;
+            loc.width = loc.indent + iwidth;
+            loc.rowHeight = iheight;
+            loc.leading = 0;
+            newLine = true;
+        } else {
+            loc.x += iwidth;
+            loc.width += iwidth;
+            loc.rowHeight = Math.max(loc.rowHeight, iheight);
+        }
+        return newLine;
+    }
+
+    public bool contains(int x, int y) {
+        if (boundsisnull)
+            return false;
+        return bounds.contains(x, y);
+    }
+    public bool intersects(Rectangle rect) {
+        if (boundsisnull)
+            return false;
+        return bounds.intersects(rect);
+    }
+
+    public Rectangle getBounds() {
+        return bounds;
+    }
+
+    public bool isSelectable() {
+        return false;
+    }
+    /**
+     * @return Returns the nowrap.
+     */
+    public bool isNowrap() {
+        return nowrap;
+    }
+    /**
+     * @param nowrap The nowrap to set.
+     */
+    public void setNowrap(bool nowrap) {
+        this.nowrap = nowrap;
+    }
+    public void paint(GC gc, bool hover, Hashtable resourceTable, bool selected, SelectionData selData, Rectangle repaintRegion) {
+    }
+
+    /* (non-Javadoc)
+     * @see dwtx.ui.internal.forms.widgets.ParagraphSegment#layout(dwt.graphics.GC, int, dwtx.ui.internal.forms.widgets.Locator, java.util.Hashtable, bool, dwtx.ui.internal.forms.widgets.SelectionData)
+     */
+    public void layout(GC gc, int width, Locator loc, Hashtable resourceTable,
+            bool selected) {
+        Point size = getObjectSize(resourceTable, width);
+
+        int objWidth = 0;
+        int objHeight = 0;
+        if (size !is null) {
+            objWidth = size.x + (isSelectable()?2:0);
+            objHeight = size.y + (isSelectable()?2:0);
+        } else
+            return;
+        loc.width = objWidth;
+
+        if (!nowrap && loc.x + objWidth > width) {
+            // new row
+            loc.newLine();
+            loc.rowCounter++;
+        }
+        int ix = loc.x;
+        int iy = loc.y;
+
+        if (alignmentisMIDDLE)
+            iy = loc.getMiddle(objHeight, false);
+        else if (alignmentisBOTTOM)
+            iy = loc.getBaseline(objHeight, false);
+        loc.x += objWidth;
+        loc.rowHeight = Math.max(loc.rowHeight, objHeight);
+        bounds = new Rectangle(ix, iy, objWidth, objHeight);
+    }
+    /* (non-Javadoc)
+     * @see dwtx.ui.internal.forms.widgets.ParagraphSegment#computeSelection(dwt.graphics.GC, java.util.Hashtable, bool, dwtx.ui.internal.forms.widgets.SelectionData)
+     */
+    public void computeSelection(GC gc, Hashtable resourceTable, SelectionData selData) {
+        // TODO we should add this to the selection
+        // if we want to support rich text
+    }
+}