--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/custom/CTabFolderLayout.d	Sat Aug 09 17:00:02 2008 +0200
@@ -0,0 +1,103 @@
+/*******************************************************************************
+ * 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:
+ *     Jacob Carlborg <jacob.carlborg@gmail.com>
+ *******************************************************************************/
+module dwt.custom.CTabFolderLayout;
+
+import Math = tango.math.Math;
+
+import dwt.DWT;
+import dwt.custom.CTabFolder;
+import dwt.custom.CTabItem;
+import dwt.graphics.GC;
+import dwt.graphics.Point;
+import dwt.widgets.Composite;
+import dwt.widgets.Control;
+import dwt.widgets.Layout;
+
+/**
+ * This class provides the layout for CTabFolder
+ * 
+ * @see CTabFolder
+ */
+class CTabFolderLayout : Layout {
+    protected Point computeSize (Composite composite, int wHint, int hHint, bool flushCache) {
+        CTabFolder folder = cast(CTabFolder) composite;
+        CTabItem[] items = folder.items;
+        // preferred width of tab area to show all tabs
+        int tabW = 0;
+        GC gc = new GC(folder);
+        for (int i = 0; i < items.length; i++) {
+            if (folder.single) {
+                tabW = Math.max(tabW, items[i].preferredWidth(gc, true, false));
+            }
+            else {
+                tabW += items[i].preferredWidth(gc, i is folder.selectedIndex, false);
+            }
+        }
+        gc.dispose();
+        tabW += 3;
+        if (folder.showMax)
+            tabW += CTabFolder.BUTTON_SIZE;
+        if (folder.showMin)
+            tabW += CTabFolder.BUTTON_SIZE;
+        if (folder.single)
+            tabW += 3 * CTabFolder.BUTTON_SIZE / 2; //chevron
+        if (folder.topRight !is null) {
+            Point pt = folder.topRight.computeSize(DWT.DEFAULT, folder.tabHeight, flushCache);
+            tabW += 3 + pt.x;
+        }
+        if (!folder.single && !folder.simple)
+            tabW += folder.curveWidth - 2 * folder.curveIndent;
+
+        int controlW = 0;
+        int controlH = 0;
+        // preferred size of controls in tab items
+        for (int i = 0; i < items.length; i++) {
+            Control control = items[i].getControl();
+            if (control !is null && !control.isDisposed()) {
+                Point size = control.computeSize(wHint, hHint, flushCache);
+                controlW = Math.max(controlW, size.x);
+                controlH = Math.max(controlH, size.y);
+            }
+        }
+
+        int minWidth = Math.max(tabW, controlW);
+        int minHeight = (folder.minimized) ? 0 : controlH;
+        if (minWidth is 0)
+            minWidth = CTabFolder.DEFAULT_WIDTH;
+        if (minHeight is 0)
+            minHeight = CTabFolder.DEFAULT_HEIGHT;
+
+        if (wHint !is DWT.DEFAULT)
+            minWidth = wHint;
+        if (hHint !is DWT.DEFAULT)
+            minHeight = hHint;
+
+        return new Point(minWidth, minHeight);
+    }
+
+    protected bool flushCache (Control control) {
+        return true;
+    }
+
+    protected void layout (Composite composite, bool flushCache) {
+        CTabFolder folder = cast(CTabFolder) composite;
+        // resize content
+        if (folder.selectedIndex !is -1) {
+            Control control = folder.items[folder.selectedIndex].getControl();
+            if (control !is null && !control.isDisposed()) {
+                control.setBounds(folder.getClientArea());
+            }
+        }
+    }
+}