Mercurial > projects > dwt-mac
diff dwt/custom/CLayoutData.d @ 0:380af2bdd8e5
Upload of whole dwt tree
author | Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> |
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date | Sat, 09 Aug 2008 17:00:02 +0200 |
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children | f565d3a95c0a |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dwt/custom/CLayoutData.d Sat Aug 09 17:00:02 2008 +0200 @@ -0,0 +1,50 @@ +/******************************************************************************* + * 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 + * + * Port to the D Programming language: + * Jacob Carlborg <jacob.carlborg@gmail.com> + *******************************************************************************/ +module dwt.custom.CLayoutData; + +import dwt.DWT; +import dwt.graphics.Point; +import dwt.widgets.Control; + +class CLayoutData { + + 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; + } +}