Mercurial > projects > dwt-win
diff dwt/custom/CTabFolderLayout.d @ 155:a5afe31f5cdd
Added custom controls
author | Frank Benoit <benoit@tionex.de> |
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date | Thu, 14 Feb 2008 19:18:37 +0100 |
parents | |
children | 349b8c12e243 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dwt/custom/CTabFolderLayout.d Thu Feb 14 19:18:37 2008 +0100 @@ -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 dwt.custom.CTabFolderLayout; + + +import dwt.DWT; +import dwt.graphics.GC; +import dwt.graphics.Point; +import dwt.widgets.Composite; +import dwt.widgets.Control; +import dwt.widgets.Layout; +import dwt.custom.CTabFolder; +import dwt.custom.CTabItem; +import dwt.dwthelper.utils; + +/** + * This class provides the layout for CTabFolder + * + * @see CTabFolder + */ +class CTabFolderLayout : Layout { +protected override 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 override bool flushCache(Control control) { + return true; +} +protected override 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()); + } + } +} +}