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view org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/dnd/HTMLTransfer.d @ 120:536e43f63c81
Comprehensive update for Win32/Linux32 dmd-2.053/dmd-1.068+Tango-r5661
===D2===
* added [Try]Immutable/Const/Shared templates to work with differenses in D1/D2 instead of version statements
used these templates to work with strict type storage rules of dmd-2.053
* com.ibm.icu now also compilable with D2, but not tested yet
* small fixes
Snippet288 - shared data is in TLS
===Phobos===
* fixed critical bugs in Phobos implemention
completely incorrect segfault prone fromStringz (Linux's port ruthless killer)
terrible, incorrect StringBuffer realization (StyledText killer)
* fixed small bugs as well
Snippet72 - misprint in the snippet
* implemented missed functionality for Phobos
ByteArrayOutputStream implemented (image loading available)
formatting correctly works for all DWT's cases
As a result, folowing snippets now works with Phobos (Snippet### - what is fixed):
Snippet24, 42, 111, 115, 130, 235, 276 - bad string formatting
Snippet48, 282 - crash on image loading
Snippet163, 189, 211, 213, 217, 218, 222 - crash on copy/cut in StyledText
Snippet244 - hang-up
===Tango===
* few changes for the latest Tango trunc-r5661
* few small performance improvments
===General===
* implMissing-s for only one version changed to implMissingInTango/InPhobos
* incorrect calls to Format in toString-s fixed
* fixed loading \uXXXX characters in ResourceBundle
* added good UTF-8 support for StyledText, TextLayout (Win32) and friends
UTF functions revised and tested. It is now in java.nonstandard.*Utf modules
StyledText and TextLayout (Win32) modules revised for UTF-8 support
* removed small diferences in most identical files in *.swt.* folders
*.swt.internal.image, *.swt.events and *.swt.custom are identical in Win32/Linux32
now 179 of 576 (~31%) files in *.swt.* folders are fully identical
* Win32: snippets now have right subsystem, pretty icons and native system style controls
* small fixes in snippets
Snippet44 - it's not Snippet44
Snippet212 - functions work with different images and offsets arrays
Win32: Snippet282 - crash on close if the button has an image
Snippet293 - setGrayed is commented
and others
Win32: As a result, folowing snippets now works
Snippet68 - color doesn't change
Snippet163, 189, 211, 213, 217, 218, 222 - UTF-8 issues (see above)
Snippet193 - no tabel headers
author | Denis Shelomovskij <verylonglogin.reg@gmail.com> |
---|---|
date | Sat, 09 Jul 2011 15:50:20 +0300 |
parents | 70388b0e6dad |
children |
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/******************************************************************************* * Copyright (c) 2000, 2008 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module org.eclipse.swt.dnd.HTMLTransfer; import org.eclipse.swt.internal.gtk.OS; import org.eclipse.swt.dnd.ByteArrayTransfer; import org.eclipse.swt.dnd.TransferData; import org.eclipse.swt.dnd.DND; import java.lang.all; version(Tango){ static import tango.text.Util; } else { // Phobos } /** * The class <code>HTMLTransfer</code> provides a platform specific mechanism * for converting text in HTML format represented as a java <code>String</code> * to a platform specific representation of the data and vice versa. * * <p>An example of a java <code>String</code> containing HTML text is shown * below:</p> * * <code><pre> * String htmlData = "<p>This is a paragraph of text.</p>"; * </code></pre> * * @see Transfer */ public class HTMLTransfer : ByteArrayTransfer { private static HTMLTransfer _instance; private static const String TEXT_HTML = "text/html"; //$NON-NLS-1$ private static const int TEXT_HTML_ID; private static const String TEXT_HTML2 = "TEXT/HTML"; //$NON-NLS-1$ private static const int TEXT_HTML2_ID; static this(){ _instance = new HTMLTransfer(); TEXT_HTML_ID = registerType(TEXT_HTML); TEXT_HTML2_ID = registerType(TEXT_HTML2); } private this() {} /** * Returns the singleton instance of the HTMLTransfer class. * * @return the singleton instance of the HTMLTransfer class */ public static HTMLTransfer getInstance () { return _instance; } /** * This implementation of <code>javaToNative</code> converts HTML-formatted text * represented by a java <code>String</code> to a platform specific representation. * * @param object a java <code>String</code> containing HTML text * @param transferData an empty <code>TransferData</code> object that will * be filled in on return with the platform specific format of the data * * @see Transfer#nativeToJava */ public override void javaToNative (Object object, TransferData transferData){ transferData.result = 0; if (!checkHTML(object) || !isSupportedType(transferData)) { DND.error(DND.ERROR_INVALID_DATA); } String string = stringcast(object); char* pValue = cast(char*)OS.g_malloc(string.length); if (pValue is null) return; pValue[0 .. string.length ] = string; transferData.length = string.length; transferData.format = 8; transferData.pValue = pValue; transferData.result = 1; } /** * This implementation of <code>nativeToJava</code> converts a platform specific * representation of HTML text to a java <code>String</code>. * * @param transferData the platform specific representation of the data to be converted * @return a java <code>String</code> containing HTML text if the conversion was successful; * otherwise null * * @see Transfer#javaToNative */ public override Object nativeToJava(TransferData transferData){ if ( !isSupportedType(transferData) || transferData.pValue is null ) return null; /* Ensure byteCount is a multiple of 2 bytes */ int size = (transferData.format * transferData.length / 8) / 2 * 2; if (size <= 0) return null; String chars = transferData.pValue[ 0 .. size ]._idup(); int end = chars.indexOf('\0'); return new ArrayWrapperString( (end is -1 )? chars : chars[ 0 .. end ] ); } protected override int[] getTypeIds() { return [TEXT_HTML_ID, TEXT_HTML2_ID]; } protected override String[] getTypeNames() { return [TEXT_HTML, TEXT_HTML2]; } bool checkHTML(Object object) { if( object is null ) return false; auto arr = cast(ArrayWrapperString)object; if( arr is null ) return false; if( arr.array.length is 0 ) return false; return true; } protected override bool validate(Object object) { return checkHTML(object); } }