Mercurial > projects > dwt2
annotate org.eclipse.swt.win32.win32.x86/src/org/eclipse/swt/events/SelectionListener.d @ 38:2e09b0e6857a
work on phobosfication
author | Frank Benoit <benoit@tionex.de> |
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date | Wed, 25 Mar 2009 11:18:25 +0100 |
parents | 6dd524f61e62 |
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1 /******************************************************************************* |
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2 * Copyright (c) 2000, 2005 IBM Corporation and others. |
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
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10 * Port to the D programming language: |
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11 * Frank Benoit <benoit@tionex.de> |
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12 *******************************************************************************/ |
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13 module org.eclipse.swt.events.SelectionListener; |
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14 |
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15 |
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16 public import org.eclipse.swt.internal.SWTEventListener; |
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17 public import org.eclipse.swt.events.SelectionEvent; |
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18 |
38 | 19 version(Tango){ |
20 import tango.core.Traits; | |
21 import tango.core.Tuple; | |
22 } else { // Phobos | |
23 import std.traits; | |
24 import std.typetuple; | |
25 } | |
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26 |
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27 /** |
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28 * Classes which implement this interface provide methods |
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29 * that deal with the events that are generated when selection |
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30 * occurs in a control. |
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31 * <p> |
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32 * After creating an instance of a class that : |
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33 * this interface it can be added to a control using the |
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34 * <code>addSelectionListener</code> method and removed using |
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35 * the <code>removeSelectionListener</code> method. When |
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36 * selection occurs in a control the appropriate method |
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37 * will be invoked. |
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38 * </p> |
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39 * |
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40 * @see SelectionAdapter |
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41 * @see SelectionEvent |
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42 */ |
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43 public interface SelectionListener : SWTEventListener { |
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44 |
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45 public enum { |
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46 SELECTION, |
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47 DEFAULTSELECTION |
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48 } |
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49 /** |
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50 * Sent when selection occurs in the control. |
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51 * <p> |
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52 * For example, selection occurs in a List when the user selects |
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53 * an item or items with the keyboard or mouse. On some platforms, |
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54 * the event occurs when a mouse button or key is pressed. On others, |
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55 * it happens when the mouse or key is released. The exact key or |
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56 * mouse gesture that causes this event is platform specific. |
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57 * </p> |
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58 * |
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59 * @param e an event containing information about the selection |
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60 */ |
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61 public void widgetSelected(SelectionEvent e); |
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62 |
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63 /** |
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64 * Sent when default selection occurs in the control. |
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65 * <p> |
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66 * For example, on some platforms default selection occurs in a List |
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67 * when the user double-clicks an item or types return in a Text. |
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68 * On some platforms, the event occurs when a mouse button or key is |
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69 * pressed. On others, it happens when the mouse or key is released. |
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70 * The exact key or mouse gesture that causes this event is platform |
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71 * specific. |
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72 * </p> |
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73 * |
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74 * @param e an event containing information about the default selection |
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75 */ |
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76 public void widgetDefaultSelected(SelectionEvent e); |
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77 } |
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78 |
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79 |
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80 /// SWT extension |
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81 private class _DgSelectionListenerT(Dg,T...) : SelectionListener { |
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82 |
38 | 83 version(Tango){ |
84 alias ParameterTupleOf!(Dg) DgArgs; | |
85 static assert( is(DgArgs == Tuple!(CTabFolderEvent,T)), | |
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86 "Delegate args not correct: "~DgArgs.stringof~" vs. (Event,"~T.stringof~")" ); |
38 | 87 } else { // Phobos |
88 alias ParameterTypeTuple!(Dg) DgArgs; | |
89 static assert( is(DgArgs == TypeTuple!(CTabFolderEvent,T)), | |
90 "Delegate args not correct: "~DgArgs.stringof~" vs. (Event,"~T.stringof~")" ); | |
91 } | |
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92 |
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93 Dg dg; |
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94 T t; |
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95 int type; |
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96 |
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97 private this( int type, Dg dg, T t ){ |
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98 this.type = type; |
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99 this.dg = dg; |
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100 static if( T.length > 0 ){ |
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101 this.t = t; |
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102 } |
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103 } |
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104 |
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105 public void widgetSelected(SelectionEvent e){ |
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106 if( type is SelectionListener.SELECTION ){ |
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107 dg(e,t); |
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108 } |
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109 } |
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110 public void widgetDefaultSelected(SelectionEvent e){ |
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111 if( type is SelectionListener.DEFAULTSELECTION ){ |
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112 dg(e,t); |
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113 } |
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114 } |
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115 } |
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116 |
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117 SelectionListener dgSelectionListener( Dg, T... )( int type, Dg dg, T args ){ |
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118 return new _DgSelectionListenerT!( Dg, T )( type, dg, args ); |
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119 } |
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120 |
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121 SelectionListener dgSelectionListenerWidgetSelected( Dg, T... )( Dg dg, T args ){ |
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122 return dgSelectionListener( SelectionListener.SELECTION, dg, args ); |
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123 } |
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124 SelectionListener dgSelectionListenerWidgetDefaultSelected( Dg, T... )( Dg dg, T args ){ |
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125 return dgSelectionListener( SelectionListener.DEFAULTSELECTION, dg, args ); |
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126 } |
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127 |