Mercurial > projects > dwt-mac
diff dwt/dnd/TableDropTargetEffect.d @ 45:d8635bb48c7c
Merge with SWT 3.5
author | Jacob Carlborg <doob@me.com> |
---|---|
date | Mon, 01 Dec 2008 17:07:00 +0100 |
parents | e831403a80a9 |
children | 23a31de4a3ab |
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--- a/dwt/dnd/TableDropTargetEffect.d Tue Oct 21 15:20:04 2008 +0200 +++ b/dwt/dnd/TableDropTargetEffect.d Mon Dec 01 17:07:00 2008 +0100 @@ -1,5 +1,5 @@ /******************************************************************************* - * Copyright (c) 2000, 2007 IBM Corporation and others. + * Copyright (c) 2000, 2008 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 @@ -8,14 +8,14 @@ * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ -module dwt.dnd; +module dwt.dnd.TableDropTargetEffect; + +import dwt.dwthelper.utils; -import dwt.DWT; -import dwt.graphics.*; -import dwt.internal.Callback; -import dwt.internal.carbon.DataBrowserCallbacks; -import dwt.internal.carbon.OS; -import dwt.widgets.*; +import dwt.graphics.Point; +import dwt.graphics.Rectangle; +import dwt.widgets.Table; +import dwt.widgets.TableItem; /** * This class provides a default drag under effect (eg. select, insert and scroll) @@ -43,37 +43,38 @@ * * @see DropTargetAdapter * @see DropTargetEvent + * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> * * @since 3.3 */ -public class TableDropTargetEffect : DropTargetEffect { +public class TableDropTargetEffect extends DropTargetEffect { static final int SCROLL_HYSTERESIS = 150; // milli seconds TableItem scrollItem; long scrollBeginTime; - DataBrowserCallbacks callbacks = null; +// DataBrowserCallbacks callbacks = null; - static Callback AcceptDragProc; - static { - AcceptDragProc = new Callback(TableDropTargetEffect.class, "AcceptDragProc", 5); //$NON-NLS-1$ - int acceptDragProc = AcceptDragProc.getAddress(); - if (acceptDragProc is 0) DWT.error(DWT.ERROR_NO_MORE_CALLBACKS); - } +// static Callback AcceptDragProc; +// static { +// AcceptDragProc = new Callback(TableDropTargetEffect.class, "AcceptDragProc", 5); //$NON-NLS-1$ +// int acceptDragProc = AcceptDragProc.getAddress(); +// if (acceptDragProc is 0) DWT.error(DWT.ERROR_NO_MORE_CALLBACKS); +// } - static int AcceptDragProc(int theControl, int itemID, int property, int theRect, int theDrag) { - DropTarget target = FindDropTarget(theControl, theDrag); - if (target is null) return 0; - return (target.feedback & DND.FEEDBACK_SELECT) !is 0 ? 1 : 0; - } +// static int AcceptDragProc(int theControl, int itemID, int property, int theRect, int theDrag) { +// DropTarget target = FindDropTarget(theControl, theDrag); +// if (target is null) return 0; +// return (target.feedback & DND.FEEDBACK_SELECT) !is 0 ? 1 : 0; +// } - static DropTarget FindDropTarget(int theControl, int theDrag) { - if (theControl is 0) return null; - Display display = Display.findDisplay(Thread.currentThread()); - if (display is null || display.isDisposed()) return null; - Widget widget = display.findWidget(theControl); - if (widget is null) return null; - return cast(DropTarget)widget.getData(DND.DROP_TARGET_KEY); - } +// static DropTarget FindDropTarget(int theControl, int theDrag) { +// if (theControl is 0) return null; +// Display display = Display.findDisplay(Thread.currentThread()); +// if (display is null || display.isDisposed()) return null; +// Widget widget = display.findWidget(theControl); +// if (widget is null) return null; +// return (DropTarget)widget.getData(DND.DROP_TARGET_KEY); +// } /** * Creates a new <code>TableDropTargetEffect</code> to handle the drag under effect on the specified @@ -81,7 +82,7 @@ * * @param table the <code>Table</code> over which the user positions the cursor to drop the data */ - public this(Table table) { + public TableDropTargetEffect(Table table) { super(table); } @@ -107,13 +108,13 @@ * @see DropTargetEvent */ public void dragEnter(DropTargetEvent event) { - if (callbacks is null) { - Table table = cast(Table) control; - DataBrowserCallbacks callbacks = new DataBrowserCallbacks (); - OS.GetDataBrowserCallbacks (table.handle, callbacks); - callbacks.v1_acceptDragCallback = AcceptDragProc.getAddress(); - OS.SetDataBrowserCallbacks(table.handle, callbacks); - } +// if (callbacks is null) { +// Table table = (Table) control; +// DataBrowserCallbacks callbacks = new DataBrowserCallbacks (); +// OS.GetDataBrowserCallbacks (table.handle, callbacks); +// callbacks.v1_acceptDragCallback = AcceptDragProc.getAddress(); +// OS.SetDataBrowserCallbacks(table.handle, callbacks); +// } scrollBeginTime = 0; scrollItem = null; } @@ -155,16 +156,16 @@ * @see DND#FEEDBACK_SCROLL */ public void dragOver(DropTargetEvent event) { - Table table = cast(Table) control; + Table table = (Table) control; int effect = checkEffect(event.feedback); - TableItem item = cast(TableItem)getItem(table, event.x, event.y); + TableItem item = (TableItem)getItem(table, event.x, event.y); if ((effect & DND.FEEDBACK_SCROLL) is 0) { scrollBeginTime = 0; scrollItem = null; } else { - if (item !is null && item.opEquals(scrollItem) && scrollBeginTime !is 0) { + if (item !is null && item.equals(scrollItem) && scrollBeginTime !is 0) { if (System.currentTimeMillis() >= scrollBeginTime) { Rectangle area = table.getClientArea(); int headerHeight = table.getHeaderHeight(); @@ -191,6 +192,6 @@ } // store current effect for selection feedback - (cast(DropTarget)event.widget).feedback = effect; + ((DropTarget)event.widget).feedback = effect; } }