Mercurial > projects > dwt-linux
annotate dwt/dnd/ClipboardProxy.d @ 240:ce446666f5a2
Update to SWT 3.4M7
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Mon, 12 May 2008 19:13:01 +0200 |
| parents | 380bad9f6852 |
| children |
| rev | line source |
|---|---|
|
124
11b0a1324732
Fix various stack access from anon-class
Frank Benoit <benoit@tionex.de>
parents:
108
diff
changeset
|
1 /******************************************************************************* |
| 92 | 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 | |
| 108 | 10 * Port to the D programming language: |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 92 | 12 *******************************************************************************/ |
| 13 module dwt.dnd.ClipboardProxy; | |
| 14 | |
| 238 | 15 import dwt.dwthelper.utils; |
| 16 | |
| 92 | 17 |
| 18 | |
| 19 import dwt.DWT; | |
| 20 import dwt.internal.gtk.OS; | |
| 21 import dwt.widgets.Display; | |
| 22 import dwt.widgets.Event; | |
| 23 import dwt.widgets.Listener; | |
| 24 import dwt.dnd.Transfer; | |
| 25 import dwt.dnd.Clipboard; | |
| 26 import dwt.dnd.DND; | |
| 27 import dwt.dnd.TransferData; | |
| 28 | |
| 29 import dwt.dwthelper.System; | |
| 30 static import tango.stdc.string; | |
| 31 | |
| 32 | |
| 33 class ClipboardProxy { | |
| 34 /* Data is not flushed to the clipboard immediately. | |
| 35 * This class will remember the data and provide it when requested. | |
| 36 */ | |
| 37 Object[] clipboardData; | |
| 38 Transfer[] clipboardDataTypes; | |
| 39 Object[] primaryClipboardData; | |
| 40 Transfer[] primaryClipboardDataTypes; | |
| 41 | |
| 42 Display display; | |
| 43 Clipboard activeClipboard = null; | |
| 44 Clipboard activePrimaryClipboard = null; | |
| 45 | |
| 238 | 46 static String ID = "CLIPBOARD PROXY OBJECT"; //$NON-NLS-1$ |
| 92 | 47 |
| 48 static ClipboardProxy _getInstance(Display display) { | |
| 49 ClipboardProxy proxy = cast(ClipboardProxy) display.getData(ID); | |
| 50 if (proxy !is null) return proxy; | |
| 51 proxy = new ClipboardProxy(display); | |
| 52 display.setData(ID, proxy); | |
| 53 display.addListener(DWT.Dispose, new class( display ) Listener { | |
| 54 Display disp; | |
| 55 this( Display disp ){ this.disp = disp; } | |
| 56 public void handleEvent(Event event) { | |
| 57 ClipboardProxy clipbordProxy = cast(ClipboardProxy)disp.getData(ID); | |
| 58 if (clipbordProxy is null) return; | |
|
124
11b0a1324732
Fix various stack access from anon-class
Frank Benoit <benoit@tionex.de>
parents:
108
diff
changeset
|
59 disp.setData(ID, null); |
| 92 | 60 clipbordProxy.dispose(); |
| 61 } | |
| 62 }); | |
| 63 return proxy; | |
| 64 } | |
| 65 | |
| 66 this(Display display) { | |
| 67 this.display = display; | |
| 68 } | |
| 69 | |
| 70 void clear (Clipboard owner, int clipboards) { | |
| 71 if ((clipboards & DND.CLIPBOARD) !is 0 && activeClipboard is owner) { | |
| 72 OS.gtk_clipboard_clear(Clipboard.GTKCLIPBOARD); | |
| 73 } | |
| 74 if ((clipboards & DND.SELECTION_CLIPBOARD) !is 0 && activePrimaryClipboard is owner) { | |
| 75 OS.gtk_clipboard_clear(Clipboard.GTKPRIMARYCLIPBOARD); | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 private static extern(C) void clearFuncFunc(GtkClipboard *clipboard, void* user_data_or_owner){ | |
| 80 auto obj = cast(ClipboardProxy)user_data_or_owner; | |
| 81 obj.clearFunc( clipboard ); | |
| 82 } | |
| 83 void clearFunc(GtkClipboard *clipboard ){ | |
| 84 if (clipboard is Clipboard.GTKCLIPBOARD) { | |
| 85 activeClipboard = null; | |
| 86 clipboardData = null; | |
| 87 clipboardDataTypes = null; | |
| 88 } | |
| 89 if (clipboard is Clipboard.GTKPRIMARYCLIPBOARD) { | |
| 90 activePrimaryClipboard = null; | |
| 91 primaryClipboardData = null; | |
| 92 primaryClipboardDataTypes = null; | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 void dispose () { | |
| 97 if (display is null) return; | |
| 98 if (activeClipboard !is null) OS.gtk_clipboard_clear(Clipboard.GTKCLIPBOARD); | |
| 99 if (activePrimaryClipboard !is null) OS.gtk_clipboard_clear(Clipboard.GTKPRIMARYCLIPBOARD); | |
| 100 display = null; | |
| 101 clipboardData = null; | |
| 102 clipboardDataTypes = null; | |
| 103 primaryClipboardData = null; | |
| 104 primaryClipboardDataTypes = null; | |
| 105 } | |
| 106 | |
| 107 private static extern(C) void getFuncFunc( | |
| 108 GtkClipboard *clipboard, | |
| 109 GtkSelectionData *selection_data, | |
| 110 uint info, | |
| 111 void* user_data_or_owner) | |
| 112 { | |
| 113 auto obj = cast(ClipboardProxy)user_data_or_owner; | |
| 114 obj.getFunc( clipboard, selection_data, info ); | |
| 115 } | |
| 116 /** | |
| 117 * This function provides the data to the clipboard on request. | |
| 118 * When this clipboard is disposed, the data will no longer be available. | |
| 119 */ | |
| 120 void getFunc( | |
| 121 GtkClipboard *clipboard, | |
| 122 GtkSelectionData *selectionData, | |
| 123 uint info) | |
| 124 { | |
| 125 if (selectionData is null) return 0; | |
| 126 TransferData tdata = new TransferData(); | |
| 127 tdata.type = selectionData.target; | |
| 128 Transfer[] types = (clipboard is Clipboard.GTKCLIPBOARD) ? clipboardDataTypes : primaryClipboardDataTypes; | |
| 129 int index = -1; | |
| 130 for (int i = 0; i < types.length; i++) { | |
| 131 if (types[i].isSupportedType(tdata)) { | |
| 132 index = i; | |
| 133 break; | |
| 134 } | |
| 135 } | |
| 136 if (index is -1) return 0; | |
| 137 Object[] data = (clipboard is Clipboard.GTKCLIPBOARD) ? clipboardData : primaryClipboardData; | |
| 138 types[index].javaToNative(data[index], tdata); | |
| 139 if (tdata.format < 8 || tdata.format % 8 !is 0) { | |
| 140 return 0; | |
| 141 } | |
| 142 OS.gtk_selection_data_set(selectionData, tdata.type, tdata.format, tdata.pValue, tdata.length); | |
| 143 OS.g_free(tdata.pValue); | |
| 144 return 1; | |
| 145 } | |
| 146 | |
| 240 | 147 bool setData(Clipboard owner, Object[] data, Transfer[] dataTypes, int clipboards) { |
| 92 | 148 GtkTargetEntry*[] entries; |
| 149 GtkTargetEntry* pTargetsList; | |
| 150 try { | |
| 151 for (int i = 0; i < dataTypes.length; i++) { | |
| 152 Transfer transfer = dataTypes[i]; | |
| 153 int[] typeIds = transfer.getTypeIds(); | |
| 238 | 154 String[] typeNames = transfer.getTypeNames(); |
| 92 | 155 for (int j = 0; j < typeIds.length; j++) { |
| 156 GtkTargetEntry* entry = new GtkTargetEntry(); | |
| 157 entry.info = typeIds[j]; | |
| 158 char* pName = cast(char*)OS.g_malloc(typeNames[j].length+1); | |
| 159 pName[ 0 .. typeNames[j].length ] = typeNames[j]; | |
| 160 pName[ typeNames[j].length ] = '\0'; | |
| 161 entry.target = pName; | |
| 162 GtkTargetEntry*[] tmp = new GtkTargetEntry*[entries.length + 1]; | |
| 163 SimpleType!(GtkTargetEntry*).arraycopy(entries, 0, tmp, 0, entries.length); | |
| 164 tmp[entries.length] = entry; | |
| 165 entries = tmp; | |
| 166 } | |
| 167 } | |
| 168 | |
| 169 pTargetsList = cast(GtkTargetEntry*)OS.g_malloc(GtkTargetEntry.sizeof * entries.length); | |
| 170 int offset = 0; | |
| 171 for (int i = 0; i < entries.length; i++) { | |
|
169
bbd04636536f
Fix: ticket 4, thanks nascent for reporting
Frank Benoit <benoit@tionex.de>
parents:
124
diff
changeset
|
172 tango.stdc.string.memmove(pTargetsList + i, entries[i], GtkTargetEntry.sizeof); |
| 92 | 173 offset += GtkTargetEntry.sizeof; |
| 174 } | |
| 175 if ((clipboards & DND.CLIPBOARD) !is 0) { | |
| 176 if (activeClipboard !is null) OS.gtk_clipboard_clear(Clipboard.GTKCLIPBOARD); | |
| 177 clipboardData = data; | |
| 178 clipboardDataTypes = dataTypes; | |
| 179 if (!OS.gtk_clipboard_set_with_data(Clipboard.GTKCLIPBOARD, pTargetsList, entries.length, &getFuncFunc, &clearFuncFunc, cast(void*)this )) { | |
| 180 return false; | |
| 181 } | |
| 182 activeClipboard = owner; | |
| 183 } | |
| 184 if ((clipboards & DND.SELECTION_CLIPBOARD) !is 0) { | |
| 185 if (activePrimaryClipboard !is null) OS.gtk_clipboard_clear(Clipboard.GTKPRIMARYCLIPBOARD); | |
| 186 primaryClipboardData = data; | |
| 187 primaryClipboardDataTypes = dataTypes; | |
| 188 if (!OS.gtk_clipboard_set_with_data(Clipboard.GTKPRIMARYCLIPBOARD, pTargetsList, entries.length, &getFuncFunc, &clearFuncFunc, cast(void*)this )) { | |
| 189 return false; | |
| 190 } | |
| 191 activePrimaryClipboard = owner; | |
| 192 } | |
| 193 return true; | |
| 194 } finally { | |
| 195 for (int i = 0; i < entries.length; i++) { | |
| 196 GtkTargetEntry* entry = entries[i]; | |
| 197 if( entry.target !is null) OS.g_free(entry.target); | |
| 198 } | |
| 199 if (pTargetsList !is null) OS.g_free(pTargetsList); | |
| 200 } | |
| 201 } | |
| 202 } |