diff dwt/layout/FillData.d @ 0:380af2bdd8e5

Upload of whole dwt tree
author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Sat, 09 Aug 2008 17:00:02 +0200
parents
children fbe68c33eeee
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/layout/FillData.d	Sat Aug 09 17:00:02 2008 +0200
@@ -0,0 +1,47 @@
+/*******************************************************************************
+ * Copyright (c) 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
+ *******************************************************************************/
+module dwt.layout.FillData;
+
+import dwt.dwthelper.utils;
+
+import dwt.DWT;
+import dwt.graphics.Point;
+import dwt.widgets.Control;
+
+class FillData {
+
+    int defaultWidth = -1, defaultHeight = -1;
+    int currentWhint, currentHhint, currentWidth = -1, currentHeight = -1;
+    
+Point computeSize (Control control, int wHint, int hHint, bool flushCache) {
+    if (flushCache) flushCache();
+    if (wHint is DWT.DEFAULT && hHint is DWT.DEFAULT) {
+        if (defaultWidth is -1 || defaultHeight is -1) {
+            Point size = control.computeSize (wHint, hHint, flushCache);
+            defaultWidth = size.x;
+            defaultHeight = size.y;
+        }
+        return new Point(defaultWidth, defaultHeight);
+    }
+    if (currentWidth is -1 || currentHeight is -1 || wHint !is currentWhint || hHint !is currentHhint) {
+        Point size = control.computeSize (wHint, hHint, flushCache);
+        currentWhint = wHint;
+        currentHhint = hHint;
+        currentWidth = size.x;
+        currentHeight = size.y;
+    }
+    return new Point(currentWidth, currentHeight);
+}
+void flushCache () {
+    defaultWidth = defaultHeight = -1;
+    currentWidth = currentHeight = -1;
+}
+}