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146
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1 /*******************************************************************************
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92
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2 * Copyright (c) 2000, 2007 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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108
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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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92
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12 *******************************************************************************/
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13 module dwt.dnd.Clipboard;
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14
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15
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16
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17 import dwt.DWT;
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18 import dwt.DWTError;
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19 import dwt.DWTException;
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20 import dwt.internal.Converter;
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21 import dwt.internal.gtk.OS;
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22 import dwt.widgets.Display;
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23 import dwt.dnd.Transfer;
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24 import dwt.dnd.TransferData;
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25 import dwt.dnd.DND;
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26 import dwt.dnd.ClipboardProxy;
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27
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28 import dwt.dwthelper.utils;
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29
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30 import tango.core.Thread;
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31 static import tango.stdc.stringz;
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32 static import tango.stdc.string;
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33
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34 /**
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35 * The <code>Clipboard</code> provides a mechanism for transferring data from one
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36 * application to another or within an application.
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37 *
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38 * <p>IMPORTANT: This class is <em>not</em> intended to be subclassed.</p>
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39 */
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40 public class Clipboard {
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41
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42 private Display display;
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43
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146
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44 private static void* GTKCLIPBOARD;
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45 private static void* GTKPRIMARYCLIPBOARD;
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46 private static void* TARGET;
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146
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47 private static bool static_this_completed = false;
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48 private static void static_this(){
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49 if( !static_this_completed ){
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50 GTKCLIPBOARD = OS.gtk_clipboard_get( cast(void*)OS.GDK_NONE);
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51 auto primary = OS.gdk_atom_intern("PRIMARY".ptr, false);
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52 GTKPRIMARYCLIPBOARD = OS.gtk_clipboard_get(primary);
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53 TARGET = OS.gdk_atom_intern("TARGETS".ptr, false);
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54 static_this_completed = true;
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55 }
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92
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56 }
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57
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58 /**
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59 * Constructs a new instance of this class. Creating an instance of a Clipboard
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60 * may cause system resources to be allocated depending on the platform. It is therefore
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61 * mandatory that the Clipboard instance be disposed when no longer required.
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62 *
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63 * @param display the display on which to allocate the clipboard
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64 *
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65 * @exception DWTException <ul>
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66 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
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67 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
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68 * </ul>
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69 *
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70 * @see Clipboard#dispose
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71 * @see Clipboard#checkSubclass
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72 */
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73 public this(Display display) {
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74 checkSubclass ();
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75 static_this();
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76 if (display is null) {
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77 display = Display.getCurrent();
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78 if (display is null) {
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79 display = Display.getDefault();
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80 }
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81 }
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82 if (display.getThread() !is Thread.getThis()) {
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83 DND.error(DWT.ERROR_THREAD_INVALID_ACCESS);
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84 }
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85 this.display = display;
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86 }
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87
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88 /**
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89 * Checks that this class can be subclassed.
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90 * <p>
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91 * The DWT class library is intended to be subclassed
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92 * only at specific, controlled points. This method enforces this
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93 * rule unless it is overridden.
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94 * </p><p>
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95 * <em>IMPORTANT:</em> By providing an implementation of this
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96 * method that allows a subclass of a class which does not
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97 * normally allow subclassing to be created, the implementer
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98 * agrees to be fully responsible for the fact that any such
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99 * subclass will likely fail between DWT releases and will be
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100 * strongly platform specific. No support is provided for
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101 * user-written classes which are implemented in this fashion.
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102 * </p><p>
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103 * The ability to subclass outside of the allowed DWT classes
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104 * is intended purely to enable those not on the DWT development
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105 * team to implement patches in order to get around specific
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106 * limitations in advance of when those limitations can be
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107 * addressed by the team. Subclassing should not be attempted
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108 * without an intimate and detailed understanding of the hierarchy.
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109 * </p>
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110 *
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111 * @exception DWTException <ul>
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112 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
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113 * </ul>
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114 */
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115 protected void checkSubclass () {
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238
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116 String name = this.classinfo.name;
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117 String validName = Clipboard.classinfo.name;
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118 if ( validName !=/*eq*/ name ) {
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119 DND.error (DWT.ERROR_INVALID_SUBCLASS);
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120 }
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121 }
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122 /**
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123 * Throws an <code>DWTException</code> if the receiver can not
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124 * be accessed by the caller. This may include both checks on
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125 * the state of the receiver and more generally on the entire
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126 * execution context. This method <em>should</em> be called by
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127 * widget implementors to enforce the standard DWT invariants.
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128 * <p>
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129 * Currently, it is an error to invoke any method (other than
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130 * <code>isDisposed()</code>) on a widget that has had its
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131 * <code>dispose()</code> method called. It is also an error
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132 * to call widget methods from any thread that is different
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133 * from the thread that created the widget.
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134 * </p><p>
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135 * In future releases of DWT, there may be more or fewer error
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136 * checks and exceptions may be thrown for different reasons.
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137 * </p>
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138 *
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139 * @exception DWTException <ul>
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140 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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141 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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142 * </ul>
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143 */
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144 protected void checkWidget () {
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145 Display display = this.display;
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146 if (display is null) DND.error (DWT.ERROR_WIDGET_DISPOSED);
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147 if (display.getThread() !is Thread.getThis ()) DND.error (DWT.ERROR_THREAD_INVALID_ACCESS);
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148 if (display.isDisposed()) DND.error(DWT.ERROR_WIDGET_DISPOSED);
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149 }
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150
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151 /**
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152 * If this clipboard is currently the owner of the data on the system clipboard,
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153 * clear the contents. If this clipboard is not the owner, then nothing is done.
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154 * Note that there are clipboard assistant applications that take ownership of
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155 * data or make copies of data when it is placed on the clipboard. In these
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156 * cases, it may not be possible to clear the clipboard.
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157 *
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158 * @exception DWTException <ul>
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159 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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160 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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161 * </ul>
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162 *
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163 * @since 3.1
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164 */
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165 public void clearContents() {
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166 clearContents(DND.CLIPBOARD);
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167 }
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168
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169 /**
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170 * If this clipboard is currently the owner of the data on the specified
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171 * clipboard, clear the contents. If this clipboard is not the owner, then
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172 * nothing is done.
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173 *
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174 * <p>Note that there are clipboard assistant applications that take ownership
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175 * of data or make copies of data when it is placed on the clipboard. In these
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176 * cases, it may not be possible to clear the clipboard.</p>
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177 *
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178 * <p>The clipboards value is either one of the clipboard constants defined in
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179 * class <code>DND</code>, or must be built by <em>bitwise OR</em>'ing together
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180 * (that is, using the <code>int</code> "|" operator) two or more
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181 * of those <code>DND</code> clipboard constants.</p>
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182 *
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183 * @param clipboards to be cleared
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184 *
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185 * @exception DWTException <ul>
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186 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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187 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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188 * </ul>
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189 *
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190 * @see DND#CLIPBOARD
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191 * @see DND#SELECTION_CLIPBOARD
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192 *
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193 * @since 3.1
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194 */
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195 public void clearContents(int clipboards) {
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196 checkWidget();
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197 ClipboardProxy proxy = ClipboardProxy._getInstance(display);
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198 proxy.clear(this, clipboards);
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199 }
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200
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201 /**
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202 * Disposes of the operating system resources associated with the clipboard.
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203 * The data will still be available on the system clipboard after the dispose
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204 * method is called.
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205 *
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206 * <p>NOTE: On some platforms the data will not be available once the application
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207 * has exited or the display has been disposed.</p>
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208 *
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209 * @exception DWTException <ul>
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210 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
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211 * </ul>
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212 */
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213 public void dispose () {
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214 if (isDisposed()) return;
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215 if (display.getThread() !is Thread.getThis()) DND.error(DWT.ERROR_THREAD_INVALID_ACCESS);
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216 display = null;
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217 }
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218
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219 /**
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220 * Retrieve the data of the specified type currently available on the system
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221 * clipboard. Refer to the specific subclass of <code>Transfer</code> to
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222 * determine the type of object returned.
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223 *
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224 * <p>The following snippet shows text and RTF text being retrieved from the
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225 * clipboard:</p>
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226 *
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227 * <code><pre>
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228 * Clipboard clipboard = new Clipboard(display);
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229 * TextTransfer textTransfer = TextTransfer.getInstance();
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230 * String textData = (String)clipboard.getContents(textTransfer);
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231 * if (textData !is null) System.out.println("Text is "+textData);
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232 * RTFTransfer rtfTransfer = RTFTransfer.getInstance();
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233 * String rtfData = (String)clipboard.getContents(rtfTransfer);
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234 * if (rtfData !is null) System.out.println("RTF Text is "+rtfData);
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235 * clipboard.dispose();
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236 * </code></pre>
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237 *
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238 * @param transfer the transfer agent for the type of data being requested
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239 * @return the data obtained from the clipboard or null if no data of this type is available
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240 *
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241 * @exception DWTException <ul>
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242 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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243 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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244 * </ul>
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245 * @exception IllegalArgumentException <ul>
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246 * <li>ERROR_NULL_ARGUMENT - if transfer is null</li>
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247 * </ul>
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248 *
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249 * @see Transfer
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250 */
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251 public Object getContents(Transfer transfer) {
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252 return getContents(transfer, DND.CLIPBOARD);
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253 }
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254
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255 /**
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256 * Retrieve the data of the specified type currently available on the specified
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257 * clipboard. Refer to the specific subclass of <code>Transfer</code> to
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258 * determine the type of object returned.
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259 *
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260 * <p>The following snippet shows text and RTF text being retrieved from the
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261 * clipboard:</p>
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262 *
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263 * <code><pre>
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264 * Clipboard clipboard = new Clipboard(display);
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265 * TextTransfer textTransfer = TextTransfer.getInstance();
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266 * String textData = (String)clipboard.getContents(textTransfer);
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267 * if (textData !is null) System.out.println("Text is "+textData);
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268 * RTFTransfer rtfTransfer = RTFTransfer.getInstance();
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269 * String rtfData = (String)clipboard.getContents(rtfTransfer, DND.CLIPBOARD);
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270 * if (rtfData !is null) System.out.println("RTF Text is "+rtfData);
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271 * clipboard.dispose();
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272 * </code></pre>
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273 *
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274 * <p>The clipboards value is either one of the clipboard constants defined in
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275 * class <code>DND</code>, or must be built by <em>bitwise OR</em>'ing together
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276 * (that is, using the <code>int</code> "|" operator) two or more
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277 * of those <code>DND</code> clipboard constants.</p>
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278 *
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279 * @param transfer the transfer agent for the type of data being requested
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280 * @param clipboards on which to look for data
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281 *
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282 * @return the data obtained from the clipboard or null if no data of this type is available
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283 *
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284 * @exception DWTException <ul>
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285 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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286 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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287 * </ul>
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288 * @exception IllegalArgumentException <ul>
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289 * <li>ERROR_NULL_ARGUMENT - if transfer is null</li>
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290 * </ul>
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291 *
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292 * @see Transfer
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293 * @see DND#CLIPBOARD
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294 * @see DND#SELECTION_CLIPBOARD
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295 *
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296 * @since 3.1
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297 */
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298 public Object getContents(Transfer transfer, int clipboards) {
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299 checkWidget();
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300 if (transfer is null) DND.error(DWT.ERROR_NULL_ARGUMENT);
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301 GtkSelectionData* selection_data;
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302 auto typeIds = transfer.getTypeIds();
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303 for (int i = 0; i < typeIds.length; i++) {
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304 if ((clipboards & DND.CLIPBOARD) !is 0) {
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305 selection_data = gtk_clipboard_wait_for_contents(GTKCLIPBOARD, cast(void*)typeIds[i]);
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306 }
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307 if (selection_data !is null) break;
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308 if ((clipboards & DND.SELECTION_CLIPBOARD) !is 0) {
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309 selection_data = gtk_clipboard_wait_for_contents(GTKPRIMARYCLIPBOARD, cast(void*)typeIds[i]);
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310 }
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311 }
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312 if (selection_data is null) return null;
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313 GtkSelectionData* gtkSelectionData = selection_data;
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314 TransferData tdata = new TransferData();
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315 tdata.type = gtkSelectionData.type;
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316 tdata.pValue = gtkSelectionData.data;
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317 tdata.length = gtkSelectionData.length;
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318 tdata.format = gtkSelectionData.format;
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319 Object result = transfer.nativeToJava(tdata);
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320 OS.gtk_selection_data_free(selection_data);
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321 return result;
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322 }
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323
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324 /**
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325 * Returns <code>true</code> if the clipboard has been disposed,
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326 * and <code>false</code> otherwise.
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327 * <p>
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328 * This method gets the dispose state for the clipboard.
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329 * When a clipboard has been disposed, it is an error to
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330 * invoke any other method using the clipboard.
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331 * </p>
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332 *
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333 * @return <code>true</code> when the widget is disposed and <code>false</code> otherwise
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334 *
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335 * @since 3.0
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336 */
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337 public bool isDisposed () {
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338 return (display is null);
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339 }
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340
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341 /**
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342 * Place data of the specified type on the system clipboard. More than one type
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343 * of data can be placed on the system clipboard at the same time. Setting the
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344 * data clears any previous data from the system clipboard, regardless of type.
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345 *
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346 * <p>NOTE: On some platforms, the data is immediately copied to the system
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347 * clipboard but on other platforms it is provided upon request. As a result,
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348 * if the application modifies the data object it has set on the clipboard, that
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349 * modification may or may not be available when the data is subsequently
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350 * requested.</p>
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351 *
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352 * <p>The following snippet shows text and RTF text being set on the copy/paste
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353 * clipboard:
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354 * </p>
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355 *
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356 * <code><pre>
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357 * Clipboard clipboard = new Clipboard(display);
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358 * String textData = "Hello World";
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359 * String rtfData = "{\\rtf1\\b\\i Hello World}";
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360 * TextTransfer textTransfer = TextTransfer.getInstance();
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361 * RTFTransfer rtfTransfer = RTFTransfer.getInstance();
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362 * Transfer[] transfers = new Transfer[]{textTransfer, rtfTransfer};
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363 * Object[] data = new Object[]{textData, rtfData};
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364 * clipboard.setContents(data, transfers);
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365 * clipboard.dispose();
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366 * </code></pre>
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367 *
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368 * @param data the data to be set in the clipboard
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369 * @param dataTypes the transfer agents that will convert the data to its
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370 * platform specific format; each entry in the data array must have a
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371 * corresponding dataType
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372 *
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373 * @exception IllegalArgumentException <ul>
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374 * <li>ERROR_INVALID_ARGUMENT - if data is null or datatypes is null
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375 * or the length of data is not the same as the length of dataTypes</li>
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376 * </ul>
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377 * @exception DWTException <ul>
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|
|
378 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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|
|
379 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
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|
|
380 * </ul>
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|
|
381 * @exception DWTError <ul>
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|
|
382 * <li>ERROR_CANNOT_SET_CLIPBOARD - if the clipboard is locked or otherwise unavailable</li>
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|
|
383 * </ul>
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|
384 *
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385 * <p>NOTE: ERROR_CANNOT_SET_CLIPBOARD should be an DWTException, since it is a
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|
|
386 * recoverable error, but can not be changed due to backward compatibility.</p>
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|
|
387 */
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|
|
388 public void setContents(Object[] data, Transfer[] dataTypes) {
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|
389 setContents(data, dataTypes, DND.CLIPBOARD);
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|
|
390 }
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391
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392 /**
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393 * Place data of the specified type on the specified clipboard. More than one
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394 * type of data can be placed on the specified clipboard at the same time.
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395 * Setting the data clears any previous data from the specified
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|
396 * clipboard, regardless of type.
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|
397 *
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|
398 * <p>NOTE: On some platforms, the data is immediately copied to the specified
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|
|
399 * clipboard but on other platforms it is provided upon request. As a result,
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|
|
400 * if the application modifies the data object it has set on the clipboard, that
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|
|
401 * modification may or may not be available when the data is subsequently
|
|
|
402 * requested.</p>
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|
|
403 *
|
|
|
404 * <p>The clipboards value is either one of the clipboard constants defined in
|
|
|
405 * class <code>DND</code>, or must be built by <em>bitwise OR</em>'ing together
|
|
|
406 * (that is, using the <code>int</code> "|" operator) two or more
|
|
|
407 * of those <code>DND</code> clipboard constants.</p>
|
|
|
408 *
|
|
|
409 * <p>The following snippet shows text and RTF text being set on the copy/paste
|
|
|
410 * clipboard:
|
|
|
411 * </p>
|
|
|
412 *
|
|
|
413 * <code><pre>
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|
|
414 * Clipboard clipboard = new Clipboard(display);
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|
|
415 * String textData = "Hello World";
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|
|
416 * String rtfData = "{\\rtf1\\b\\i Hello World}";
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|
|
417 * TextTransfer textTransfer = TextTransfer.getInstance();
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|
|
418 * RTFTransfer rtfTransfer = RTFTransfer.getInstance();
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|
|
419 * Transfer[] transfers = new Transfer[]{textTransfer, rtfTransfer};
|
|
|
420 * Object[] data = new Object[]{textData, rtfData};
|
|
|
421 * clipboard.setContents(data, transfers, DND.CLIPBOARD);
|
|
|
422 * clipboard.dispose();
|
|
|
423 * </code></pre>
|
|
|
424 *
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|
|
425 * @param data the data to be set in the clipboard
|
|
|
426 * @param dataTypes the transfer agents that will convert the data to its
|
|
|
427 * platform specific format; each entry in the data array must have a
|
|
|
428 * corresponding dataType
|
|
|
429 * @param clipboards on which to set the data
|
|
|
430 *
|
|
|
431 * @exception IllegalArgumentException <ul>
|
|
|
432 * <li>ERROR_INVALID_ARGUMENT - if data is null or datatypes is null
|
|
|
433 * or the length of data is not the same as the length of dataTypes</li>
|
|
|
434 * </ul>
|
|
|
435 * @exception DWTException <ul>
|
|
|
436 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
|
|
437 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
|
|
438 * </ul>
|
|
|
439 * @exception DWTError <ul>
|
|
|
440 * <li>ERROR_CANNOT_SET_CLIPBOARD - if the clipboard is locked or otherwise unavailable</li>
|
|
|
441 * </ul>
|
|
|
442 *
|
|
|
443 * <p>NOTE: ERROR_CANNOT_SET_CLIPBOARD should be an DWTException, since it is a
|
|
|
444 * recoverable error, but can not be changed due to backward compatibility.</p>
|
|
|
445 *
|
|
|
446 * @see DND#CLIPBOARD
|
|
|
447 * @see DND#SELECTION_CLIPBOARD
|
|
|
448 *
|
|
|
449 * @since 3.1
|
|
|
450 */
|
|
|
451 public void setContents(Object[] data, Transfer[] dataTypes, int clipboards) {
|
|
|
452 checkWidget();
|
|
|
453 if (data is null || dataTypes is null || data.length !is dataTypes.length || data.length is 0) {
|
|
|
454 DND.error(DWT.ERROR_INVALID_ARGUMENT);
|
|
|
455 }
|
|
|
456 for (int i = 0; i < data.length; i++) {
|
|
|
457 if (data[i] is null || dataTypes[i] is null || !dataTypes[i].validate(data[i])) {
|
|
|
458 DND.error(DWT.ERROR_INVALID_ARGUMENT);
|
|
|
459 }
|
|
|
460 }
|
|
|
461 ClipboardProxy proxy = ClipboardProxy._getInstance(display);
|
|
|
462 if (!proxy.setData(this, data, dataTypes, clipboards)) {
|
|
|
463 DND.error(DND.ERROR_CANNOT_SET_CLIPBOARD);
|
|
|
464 }
|
|
|
465 }
|
|
|
466
|
|
|
467 /**
|
|
|
468 * Returns an array of the data types currently available on the system
|
|
|
469 * clipboard. Use with Transfer.isSupportedType.
|
|
|
470 *
|
|
|
471 * @return array of data types currently available on the system clipboard
|
|
|
472 *
|
|
|
473 * @exception DWTException <ul>
|
|
|
474 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
|
|
475 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
|
|
476 * </ul>
|
|
|
477 *
|
|
|
478 * @see Transfer#isSupportedType
|
|
|
479 *
|
|
|
480 * @since 3.0
|
|
|
481 */
|
|
|
482 public TransferData[] getAvailableTypes() {
|
|
|
483 return getAvailableTypes(DND.CLIPBOARD);
|
|
|
484 }
|
|
|
485
|
|
|
486 /**
|
|
|
487 * Returns an array of the data types currently available on the specified
|
|
|
488 * clipboard. Use with Transfer.isSupportedType.
|
|
|
489 *
|
|
|
490 * <p>The clipboards value is either one of the clipboard constants defined in
|
|
|
491 * class <code>DND</code>, or must be built by <em>bitwise OR</em>'ing together
|
|
|
492 * (that is, using the <code>int</code> "|" operator) two or more
|
|
|
493 * of those <code>DND</code> clipboard constants.</p>
|
|
|
494 *
|
|
|
495 * @param clipboards from which to get the data types
|
|
|
496 * @return array of data types currently available on the specified clipboard
|
|
|
497 *
|
|
|
498 * @exception DWTException <ul>
|
|
|
499 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
|
|
500 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
|
|
501 * </ul>
|
|
|
502 *
|
|
|
503 * @see Transfer#isSupportedType
|
|
|
504 * @see DND#CLIPBOARD
|
|
|
505 * @see DND#SELECTION_CLIPBOARD
|
|
|
506 *
|
|
|
507 * @since 3.1
|
|
|
508 */
|
|
|
509 public TransferData[] getAvailableTypes(int clipboards) {
|
|
|
510 checkWidget();
|
|
|
511 TransferData[] result = null;
|
|
|
512 if ((clipboards & DND.CLIPBOARD) !is 0) {
|
|
|
513 auto types = getAvailableClipboardTypes();
|
|
|
514 result = new TransferData[types.length];
|
|
|
515 for (int i = 0; i < types.length; i++) {
|
|
|
516 result[i] = new TransferData();
|
|
|
517 result[i].type = types[i];
|
|
|
518 }
|
|
|
519 }
|
|
|
520 if ((clipboards & DND.SELECTION_CLIPBOARD) !is 0) {
|
|
|
521 auto types = getAvailablePrimaryTypes();
|
|
|
522 int offset = 0;
|
|
|
523 if (result !is null) {
|
|
|
524 TransferData[] newResult = new TransferData[result.length + types.length];
|
|
|
525 System.arraycopy(result,0, newResult, 0, result.length);
|
|
|
526 offset = result.length;
|
|
|
527 result = newResult;
|
|
|
528 } else {
|
|
|
529 result = new TransferData[types.length];
|
|
|
530 }
|
|
|
531 for (int i = 0; i < types.length; i++) {
|
|
|
532 result[offset+i] = new TransferData();
|
|
|
533 result[offset+i].type = types[i];
|
|
|
534 }
|
|
|
535 }
|
|
|
536 return result is null ? new TransferData[0] : result;
|
|
|
537 }
|
|
|
538
|
|
|
539 /**
|
|
|
540 * Returns a platform specific list of the data types currently available on the
|
|
|
541 * system clipboard.
|
|
|
542 *
|
|
|
543 * <p>Note: <code>getAvailableTypeNames</code> is a utility for writing a Transfer
|
|
|
544 * sub-class. It should NOT be used within an application because it provides
|
|
|
545 * platform specific information.</p>
|
|
|
546 *
|
|
|
547 * @return a platform specific list of the data types currently available on the
|
|
|
548 * system clipboard
|
|
|
549 *
|
|
|
550 * @exception DWTException <ul>
|
|
|
551 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
|
|
|
552 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
|
|
|
553 * </ul>
|
|
|
554 */
|
|
238
|
555 public String[] getAvailableTypeNames() {
|
|
92
|
556 checkWidget();
|
|
|
557 auto types1 = getAvailableClipboardTypes();
|
|
|
558 auto types2 = getAvailablePrimaryTypes();
|
|
238
|
559 String[] result = new String[types1.length + types2.length];
|
|
92
|
560 int count = 0;
|
|
|
561 for (int i = 0; i < types1.length; i++) {
|
|
|
562 auto pName = OS.gdk_atom_name(types1[i]);
|
|
|
563 if (pName is null) {
|
|
|
564 continue;
|
|
|
565 }
|
|
238
|
566 String buffer = tango.stdc.stringz.fromStringz( pName ).dup;
|
|
92
|
567 OS.g_free (pName);
|
|
|
568 result[count++] = "GTKCLIPBOARD "~buffer;
|
|
|
569 }
|
|
|
570 for (int i = 0; i < types2.length; i++) {
|
|
|
571 auto pName = OS.gdk_atom_name(types2[i]);
|
|
|
572 if (pName is null) {
|
|
|
573 continue;
|
|
|
574 }
|
|
238
|
575 String buffer = tango.stdc.stringz.fromStringz( pName ).dup;
|
|
92
|
576 OS.g_free (pName);
|
|
|
577 result[count++] = "GTKPRIMARYCLIPBOARD "~buffer;
|
|
|
578 }
|
|
|
579 if (count < result.length){
|
|
238
|
580 String[] temp = new String[count];
|
|
92
|
581 System.arraycopy(result, 0, temp, 0, count);
|
|
|
582 result = temp;
|
|
|
583 }
|
|
|
584 return result;
|
|
|
585 }
|
|
|
586
|
|
|
587 private void*[] getAvailablePrimaryTypes() {
|
|
|
588 void*[] types;
|
|
|
589 auto selection_data = gtk_clipboard_wait_for_contents(GTKPRIMARYCLIPBOARD, TARGET);
|
|
|
590 if (selection_data !is null) {
|
|
|
591 try {
|
|
|
592 GtkSelectionData* gtkSelectionData = selection_data;
|
|
|
593 if (gtkSelectionData.length !is 0) {
|
|
|
594 types = cast(void*[])new int[gtkSelectionData.length * 8 / gtkSelectionData.format];
|
|
|
595 tango.stdc.string.memmove( cast(void*)types.ptr, gtkSelectionData.data, gtkSelectionData.length );
|
|
|
596 }
|
|
|
597 } finally {
|
|
|
598 OS.gtk_selection_data_free(selection_data);
|
|
|
599 }
|
|
|
600 }
|
|
|
601 return types;
|
|
|
602 }
|
|
|
603 private void*[] getAvailableClipboardTypes () {
|
|
|
604 void*[] types;
|
|
|
605 auto selection_data = gtk_clipboard_wait_for_contents(GTKCLIPBOARD, TARGET);
|
|
|
606 if (selection_data !is null) {
|
|
|
607 try {
|
|
|
608 GtkSelectionData* gtkSelectionData = selection_data;
|
|
|
609 if (gtkSelectionData.length !is 0) {
|
|
|
610 types = cast(void*[])new int[gtkSelectionData.length * 8 / gtkSelectionData.format];
|
|
|
611 tango.stdc.string.memmove( cast(void*)types, gtkSelectionData.data, gtkSelectionData.length);
|
|
|
612 }
|
|
|
613 } finally {
|
|
|
614 OS.gtk_selection_data_free(selection_data);
|
|
|
615 }
|
|
|
616 }
|
|
|
617 return types;
|
|
|
618 }
|
|
|
619
|
|
|
620 GtkSelectionData* gtk_clipboard_wait_for_contents(void* clipboard, void* target) {
|
|
238
|
621 String key = "org.eclipse.swt.internal.gtk.dispatchEvent";
|
|
92
|
622 Display display = this.display;
|
|
|
623 ArrayWrapperInt arr = new ArrayWrapperInt( [ OS.GDK_PROPERTY_NOTIFY, OS.GDK_SELECTION_CLEAR, OS.GDK_SELECTION_REQUEST, OS.GDK_SELECTION_NOTIFY ] );
|
|
|
624 display.setData(key, arr );
|
|
|
625 GtkSelectionData* selection_data = OS.gtk_clipboard_wait_for_contents(clipboard, target);
|
|
|
626 display.setData(key, null);
|
|
|
627 return selection_data;
|
|
|
628 }
|
|
|
629 }
|
