Mercurial > projects > dwt-linux
annotate dwt/browser/MozillaDelegate.d @ 341:942da4b6558a
Ongoing fixup for compile
author | John Reimer <terminal.node@gmail.com> |
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date | Sun, 26 Oct 2008 21:19:51 -0700 |
parents | 3f4a5c7d138f |
children | 5abc6f7f7a95 |
rev | line source |
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278
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1 /******************************************************************************* |
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2 * Copyright (c) 2003, 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 |
286 | 10 * Port to the D programming language: |
11 * John Reimer <terminal.node@gmail.com> | |
278
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12 *******************************************************************************/ |
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13 module dwt.browser.MozillaDelegate; |
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14 |
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15 import dwt.dwthelper.utils; |
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16 |
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17 import dwt.DWT; |
340 | 18 //import dwt.internal.Callback; |
278
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19 import dwt.internal.Converter; |
340 | 20 //import dwt.internal.gtk.GdkEvent; |
278
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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.widgets.Event; |
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24 import dwt.widgets.Listener; |
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25 import dwt.widgets.Widget; |
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26 |
340 | 27 import dwt.browser.Browser; |
28 | |
29 import dwt.internal.c.glib_object; | |
30 | |
278
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31 class MozillaDelegate { |
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32 Browser browser; |
286 | 33 gpointer mozillaHandle; |
34 GtkWidget* embedHandle; | |
278
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35 bool hasFocus; |
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36 Listener listener; |
286 | 37 //static Callback eventCallback; |
38 // static int /*long*/ eventProc; | |
39 static const gpointer STOP_PROPOGATE = cast(gpointer)1; | |
278
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40 |
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41 static bool IsLinux; |
340 | 42 static this () { |
286 | 43 String osName = System.getProperty ("os.name"); //$NON-NLS-1$ |
44 IsLinux = tango.text.Util.containsPattern(osName, "linux"); //$NON-NLS-1$ | |
278
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45 } |
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46 |
286 | 47 this (Browser browser) { |
278
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48 super (); |
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49 if (!IsLinux) { |
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50 browser.dispose (); |
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51 DWT.error (DWT.ERROR_NO_HANDLES, null, " [Unsupported platform]"); //$NON-NLS-1$ |
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52 } |
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53 this.browser = browser; |
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54 } |
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55 |
286 | 56 static extern(C) int eventProc (GtkWidget* handle, GdkEvent* gdkEvent, gpointer pointer) { |
57 GtkWidget* parent = OS.gtk_widget_get_parent (handle); | |
278
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58 parent = OS.gtk_widget_get_parent (parent); |
286 | 59 if (parent is null) return 0; |
278
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60 Widget widget = Display.getCurrent ().findWidget (parent); |
340 | 61 if (widget !is null && (cast(Browser)widget) !is null) { |
286 | 62 return (cast(Mozilla)(cast(Browser)widget).webBrowser).mozDelegate.gtk_event (handle, gdkEvent, pointer); |
278
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63 } |
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64 return 0; |
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65 } |
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66 |
286 | 67 static Browser findBrowser (GtkWidget* handle) { |
278
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68 /* |
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69 * Note. On GTK, Mozilla is embedded into a GtkHBox handle |
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70 * and not directly into the parent Composite handle. |
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71 */ |
286 | 72 GtkWidget* parent = OS.gtk_widget_get_parent (handle); |
278
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73 Display display = Display.getCurrent (); |
286 | 74 return cast(Browser)display.findWidget (parent); |
278
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75 } |
286 | 76 /* |
278
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77 static char[] mbcsToWcs (String codePage, byte [] buffer) { |
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78 return Converter.mbcsToWcs (codePage, buffer); |
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79 } |
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80 |
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81 static byte[] wcsToMbcs (String codePage, String string, bool terminate) { |
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82 return Converter.wcsToMbcs (codePage, string, terminate); |
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83 } |
286 | 84 */ |
85 GtkWidget* getHandle () { | |
278
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86 /* |
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87 * Bug in Mozilla Linux GTK. Embedding Mozilla into a GtkFixed |
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88 * handle causes problems with some Mozilla plug-ins. For some |
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89 * reason, the Flash plug-in causes the child of the GtkFixed |
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90 * handle to be resized to 1 when the Flash document is loaded. |
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91 * That could be due to gtk_container_resize_children being called |
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92 * by Mozilla - or one of its plug-ins - on the GtkFixed handle, |
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93 * causing the child of the GtkFixed handle to be resized to 1. |
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94 * The workaround is to embed Mozilla into a GtkHBox handle. |
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95 */ |
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96 embedHandle = OS.gtk_hbox_new (false, 0); |
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97 OS.gtk_container_add (browser.handle, embedHandle); |
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98 OS.gtk_widget_show (embedHandle); |
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99 return embedHandle; |
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100 } |
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101 |
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102 String getLibraryName () { |
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103 return "libxpcom.so"; //$NON-NLS-1$ |
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104 } |
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105 |
286 | 106 /* |
278
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107 String getSWTInitLibraryName () { |
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108 return "swt-xpcominit"; //$NON-NLS-1$ |
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109 } |
286 | 110 */ |
278
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111 |
286 | 112 int gtk_event (GtkWidget* handle, GdkEvent* event, gpointer pointer) { |
278
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113 if (event.type is OS.GDK_BUTTON_PRESS) { |
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114 if (!hasFocus) browser.setFocus (); |
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115 } |
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116 |
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117 /* |
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118 * Stop the propagation of events that are not consumed by Mozilla, before |
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119 * they reach the parent embedder. These event have already been received. |
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120 */ |
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121 if (pointer is STOP_PROPOGATE) return 1; |
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122 return 0; |
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123 } |
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124 |
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125 void handleFocus () { |
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126 if (hasFocus) return; |
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127 hasFocus = true; |
340 | 128 listener = new class() Listener { |
278
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129 public void handleEvent (Event event) { |
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130 if (event.widget is browser) return; |
286 | 131 (cast(Mozilla)(browser.webBrowser)).Deactivate (); |
278
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132 hasFocus = false; |
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133 browser.getDisplay ().removeFilter (DWT.FocusIn, this); |
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134 browser.getShell ().removeListener (DWT.Deactivate, this); |
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135 listener = null; |
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136 } |
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137 }; |
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138 browser.getDisplay ().addFilter (DWT.FocusIn, listener); |
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139 browser.getShell ().addListener (DWT.Deactivate, listener); |
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140 } |
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141 |
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142 void handleMouseDown () { |
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143 int shellStyle = browser.getShell ().getStyle (); |
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144 if ((shellStyle & DWT.ON_TOP) !is 0 && (((shellStyle & DWT.NO_FOCUS) is 0) || ((browser.getStyle () & DWT.NO_FOCUS) is 0))) { |
340 | 145 browser.getDisplay ().asyncExec (new class() Runnable { |
278
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146 public void run () { |
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147 if (browser is null || browser.isDisposed ()) return; |
286 | 148 (cast(Mozilla)(browser.webBrowser)).Activate (); |
278
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149 } |
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150 }); |
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151 } |
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152 } |
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153 |
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154 bool hookEnterExit () { |
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155 return false; |
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156 } |
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157 |
286 | 158 void init () { /* |
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159 if (eventCallback is null) { |
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160 eventCallback = new Callback (getClass (), "eventProc", 3); //$NON-NLS-1$ |
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161 eventProc = eventCallback.getAddress (); |
286 | 162 if (eventProc is null) { |
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163 browser.dispose (); |
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164 Mozilla.error (DWT.ERROR_NO_MORE_CALLBACKS); |
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165 } |
286 | 166 } */ |
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167 |
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168 /* |
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169 * Feature in Mozilla. GtkEvents such as key down, key pressed may be consumed |
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170 * by Mozilla and never be received by the parent embedder. The workaround |
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171 * is to find the top Mozilla gtk widget that receives all the Mozilla GtkEvents, |
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172 * i.e. the first child of the parent embedder. Then hook event callbacks and |
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173 * forward the event to the parent embedder before Mozilla received and consumed |
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174 * them. |
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175 */ |
286 | 176 GList* list = OS.gtk_container_get_children (embedHandle); |
177 if (list !is null) { | |
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178 mozillaHandle = OS.g_list_data (list); |
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179 OS.g_list_free (list); |
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180 |
286 | 181 if (mozillaHandle !is null) { |
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182 /* Note. Callback to get events before Mozilla receives and consumes them. */ |
286 | 183 OS.g_signal_connect (mozillaHandle, OS.event, cast(GCallback)&eventProc, null); |
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184 |
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185 /* |
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186 * Note. Callback to get the events not consumed by Mozilla - and to block |
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187 * them so that they don't get propagated to the parent handle twice. |
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188 * This hook is set after Mozilla and is therefore called after Mozilla's |
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189 * handler because GTK dispatches events in their order of registration. |
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190 */ |
286 | 191 OS.g_signal_connect (mozillaHandle, OS.key_press_event, cast(GCallback)&eventProc, STOP_PROPOGATE); |
192 OS.g_signal_connect (mozillaHandle, OS.key_release_event, cast(GCallback)&eventProc, STOP_PROPOGATE); | |
193 OS.g_signal_connect (mozillaHandle, OS.button_press_event, cast(GCallback)&eventProc, STOP_PROPOGATE); | |
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194 } |
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195 } |
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196 } |
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197 |
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198 bool needsSpinup () { |
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199 return true; |
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200 } |
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201 |
341
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202 void onDispose (GtkWidget* embedHandle) { |
278
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203 if (listener !is null) { |
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204 browser.getDisplay ().removeFilter (DWT.FocusIn, listener); |
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205 browser.getShell ().removeListener (DWT.Deactivate, listener); |
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206 listener = null; |
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207 } |
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208 browser = null; |
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209 } |
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210 |
286 | 211 void setSize (GtkWidget* embedHandle, int width, int height) { |
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212 OS.gtk_widget_set_size_request (embedHandle, width, height); |
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213 } |
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214 |
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215 } |