Mercurial > projects > dwt-win
annotate dwt/custom/CTabFolderLayout.d @ 315:349b8c12e243
Sync dwt/custom with dwt-linux
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Tue, 07 Oct 2008 16:18:26 +0200 |
| parents | a5afe31f5cdd |
| children |
| rev | line source |
|---|---|
| 155 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2005 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module dwt.custom.CTabFolderLayout; | |
| 14 | |
|
315
349b8c12e243
Sync dwt/custom with dwt-linux
Frank Benoit <benoit@tionex.de>
parents:
155
diff
changeset
|
15 import dwt.dwthelper.utils; |
| 155 | 16 |
| 17 import dwt.DWT; | |
| 18 import dwt.graphics.GC; | |
| 19 import dwt.graphics.Point; | |
| 20 import dwt.widgets.Composite; | |
| 21 import dwt.widgets.Control; | |
| 22 import dwt.widgets.Layout; | |
| 23 import dwt.custom.CTabFolder; | |
| 24 import dwt.custom.CTabItem; | |
| 25 | |
| 26 /** | |
| 27 * This class provides the layout for CTabFolder | |
| 28 * | |
| 29 * @see CTabFolder | |
| 30 */ | |
| 31 class CTabFolderLayout : Layout { | |
| 32 protected override Point computeSize(Composite composite, int wHint, int hHint, bool flushCache) { | |
| 33 CTabFolder folder = cast(CTabFolder)composite; | |
| 34 CTabItem[] items = folder.items; | |
| 35 // preferred width of tab area to show all tabs | |
| 36 int tabW = 0; | |
| 37 GC gc = new GC(folder); | |
| 38 for (int i = 0; i < items.length; i++) { | |
| 39 if (folder.single) { | |
| 40 tabW = Math.max(tabW, items[i].preferredWidth(gc, true, false)); | |
| 41 } else { | |
| 42 tabW += items[i].preferredWidth(gc, i is folder.selectedIndex, false); | |
| 43 } | |
| 44 } | |
| 45 gc.dispose(); | |
| 46 tabW += 3; | |
| 47 if (folder.showMax) tabW += CTabFolder.BUTTON_SIZE; | |
| 48 if (folder.showMin) tabW += CTabFolder.BUTTON_SIZE; | |
| 49 if (folder.single) tabW += 3*CTabFolder.BUTTON_SIZE/2; //chevron | |
| 50 if (folder.topRight !is null) { | |
| 51 Point pt = folder.topRight.computeSize(DWT.DEFAULT, folder.tabHeight, flushCache); | |
| 52 tabW += 3 + pt.x; | |
| 53 } | |
| 54 if (!folder.single && !folder.simple) tabW += folder.curveWidth - 2*folder.curveIndent; | |
| 55 | |
| 56 int controlW = 0; | |
| 57 int controlH = 0; | |
| 58 // preferred size of controls in tab items | |
| 59 for (int i = 0; i < items.length; i++) { | |
| 60 Control control = items[i].getControl(); | |
| 61 if (control !is null && !control.isDisposed()){ | |
| 62 Point size = control.computeSize (wHint, hHint, flushCache); | |
| 63 controlW = Math.max (controlW, size.x); | |
| 64 controlH = Math.max (controlH, size.y); | |
| 65 } | |
| 66 } | |
| 67 | |
| 68 int minWidth = Math.max(tabW, controlW); | |
| 69 int minHeight = (folder.minimized) ? 0 : controlH; | |
| 70 if (minWidth is 0) minWidth = CTabFolder.DEFAULT_WIDTH; | |
| 71 if (minHeight is 0) minHeight = CTabFolder.DEFAULT_HEIGHT; | |
| 72 | |
| 73 if (wHint !is DWT.DEFAULT) minWidth = wHint; | |
| 74 if (hHint !is DWT.DEFAULT) minHeight = hHint; | |
| 75 | |
| 76 return new Point (minWidth, minHeight); | |
| 77 } | |
| 78 protected override bool flushCache(Control control) { | |
| 79 return true; | |
| 80 } | |
| 81 protected override void layout(Composite composite, bool flushCache) { | |
| 82 CTabFolder folder = cast(CTabFolder)composite; | |
| 83 // resize content | |
| 84 if (folder.selectedIndex !is -1) { | |
| 85 Control control = folder.items[folder.selectedIndex].getControl(); | |
| 86 if (control !is null && !control.isDisposed()) { | |
| 87 control.setBounds(folder.getClientArea()); | |
| 88 } | |
| 89 } | |
| 90 } | |
| 91 } |