Mercurial > projects > dwt-win
annotate dwt/events/SelectionListener.d @ 253:fbb9174f2a2c
Reuse the tango windows api
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Fri, 11 Jul 2008 23:01:25 +0200 |
| parents | bef1ed4ebc50 |
| children | 02332a154347 |
| rev | line source |
|---|---|
| 0 | 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.events.SelectionListener; | |
| 14 | |
| 15 | |
| 16 public import dwt.internal.DWTEventListener; | |
| 17 public import dwt.events.SelectionEvent; | |
| 18 | |
| 19 /** | |
| 20 * Classes which implement this interface provide methods | |
| 21 * that deal with the events that are generated when selection | |
| 22 * occurs in a control. | |
| 23 * <p> | |
|
86
bef1ed4ebc50
again copied events from dwt-linux
Frank Benoit <benoit@tionex.de>
parents:
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diff
changeset
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24 * After creating an instance of a class that : |
| 0 | 25 * this interface it can be added to a control using the |
| 26 * <code>addSelectionListener</code> method and removed using | |
| 27 * the <code>removeSelectionListener</code> method. When | |
| 28 * selection occurs in a control the appropriate method | |
| 29 * will be invoked. | |
| 30 * </p> | |
| 31 * | |
| 32 * @see SelectionAdapter | |
| 33 * @see SelectionEvent | |
| 34 */ | |
| 35 public interface SelectionListener : DWTEventListener { | |
| 36 | |
| 37 /** | |
| 38 * Sent when selection occurs in the control. | |
| 39 * <p> | |
| 40 * For example, selection occurs in a List when the user selects | |
| 41 * an item or items with the keyboard or mouse. On some platforms, | |
| 42 * the event occurs when a mouse button or key is pressed. On others, | |
| 43 * it happens when the mouse or key is released. The exact key or | |
| 44 * mouse gesture that causes this event is platform specific. | |
| 45 * </p> | |
| 46 * | |
| 47 * @param e an event containing information about the selection | |
| 48 */ | |
| 49 public void widgetSelected(SelectionEvent e); | |
| 50 | |
| 51 /** | |
| 52 * Sent when default selection occurs in the control. | |
| 53 * <p> | |
| 54 * For example, on some platforms default selection occurs in a List | |
| 55 * when the user double-clicks an item or types return in a Text. | |
| 56 * On some platforms, the event occurs when a mouse button or key is | |
| 57 * pressed. On others, it happens when the mouse or key is released. | |
| 58 * The exact key or mouse gesture that causes this event is platform | |
| 59 * specific. | |
| 60 * </p> | |
| 61 * | |
| 62 * @param e an event containing information about the default selection | |
| 63 */ | |
| 64 public void widgetDefaultSelected(SelectionEvent e); | |
| 65 } | |
| 253 | 66 |
| 67 | |
| 68 | |
| 69 /// Helper class for the dgListener template function | |
| 70 private class _DgSelectionListenerWidgetSelectedT(Dg,T...) : SelectionListener { | |
| 71 | |
| 72 alias ParameterTupleOf!(DgSel) DgArgs; | |
| 73 static assert( is(DgArgs == Tuple!(SelectionEvent,T)), | |
| 74 "Delegate args not correct" ); | |
| 75 | |
| 76 Dg dg; | |
| 77 T t; | |
| 78 | |
| 79 private this( Dg dg, T t ){ | |
| 80 this.dg = dg; | |
| 81 static if( T.length > 0 ){ | |
| 82 this.t = t; | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 public void widgetSelected(SelectionEvent e){ | |
| 87 dg(e,t); | |
| 88 } | |
| 89 public void widgetDefaultSelected(SelectionEvent e){ | |
| 90 } | |
| 91 } | |
| 92 | |
| 93 private class _DgSelectionListenerWidgetDefaultSelectedT(Dg,T...) : SelectionListener { | |
| 94 | |
| 95 alias ParameterTupleOf!(DgSel) DgArgs; | |
| 96 static assert( is(DgArgs == Tuple!(SelectionEvent,T)), | |
| 97 "Delegate args not correct" ); | |
| 98 | |
| 99 Dg dg; | |
| 100 T t; | |
| 101 | |
| 102 private this( Dg dg, T t ){ | |
| 103 this.dg = dg; | |
| 104 static if( T.length > 0 ){ | |
| 105 this.t = t; | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 public void widgetSelected(SelectionEvent e){ | |
| 110 } | |
| 111 public void widgetDefaultSelected(SelectionEvent e){ | |
| 112 dg(e,t); | |
| 113 } | |
| 114 } | |
| 115 | |
| 116 SelectionListener dgSelectionListenerWidgetSelected( Dg, T... )( Dg dg, T args ){ | |
| 117 return new _DgSelectionListenerWidgetSelectedT!( Dg, T )( dg, args ); | |
| 118 } | |
| 119 SelectionListener dgSelectionListenerWidgetDefaultSelected( Dg, T... )( Dg dg, T args ){ | |
| 120 return new _DgSelectionListenerWidgetDefaultSelectedT!( Dg, T )( dg, args ); | |
| 121 } | |
| 122 | |
| 123 | |
| 124 |