diff options
author | Lars Knoll <lars.knoll@nokia.com> | 2011-05-07 00:02:01 +0200 |
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committer | Lars Knoll <lars.knoll@nokia.com> | 2011-05-07 00:02:01 +0200 |
commit | f67b8df3ebdba2d398b9cce686b7c644adffff08 (patch) | |
tree | 062dd469f7cf8daa01a32d3e7b767b8fbdb7573a /src/widgets/platforms/s60/qclipboard_s60.cpp | |
parent | 32ce4fe9e6a94e77828e976776cf08da85254ff2 (diff) |
library split
Diffstat (limited to 'src/widgets/platforms/s60/qclipboard_s60.cpp')
-rw-r--r-- | src/widgets/platforms/s60/qclipboard_s60.cpp | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/src/widgets/platforms/s60/qclipboard_s60.cpp b/src/widgets/platforms/s60/qclipboard_s60.cpp new file mode 100644 index 0000000000..0dafae0996 --- /dev/null +++ b/src/widgets/platforms/s60/qclipboard_s60.cpp @@ -0,0 +1,331 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qclipboard.h" + +#ifndef QT_NO_CLIPBOARD + +#include "qapplication.h" +#include "qbitmap.h" +#include "qdatetime.h" +#include "qbuffer.h" +#include "qwidget.h" +#include "qevent.h" +#include "private/qcore_symbian_p.h" +#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS +#include "txtclipboard.h" +#endif +#include "txtetext.h" +#include <QtDebug> + +// Symbian's clipboard +#include <baclipb.h> +QT_BEGIN_NAMESPACE + +const TUid KQtCbDataStream = {0x2001B2DD}; +const TInt KPlainTextBegin = 0; + +class QClipboardData +{ +public: + QClipboardData(); + ~QClipboardData(); + + void setSource(QMimeData* s) + { + if (s == src) + return; + delete src; + src = s; + } + QMimeData* source() + { return src; } + bool connected() + { return connection; } + void clear(); + +private: + QMimeData* src; + bool connection; +}; + +QClipboardData::QClipboardData():src(0),connection(true) +{ + clear(); +} + +QClipboardData::~QClipboardData() +{ + connection = false; + delete src; +} + +void QClipboardData::clear() +{ + QMimeData* newSrc = new QMimeData; + delete src; + src = newSrc; +} + +static QClipboardData *internalCbData = 0; + +static void cleanupClipboardData() +{ + delete internalCbData; + internalCbData = 0; +} + +static QClipboardData *clipboardData() +{ + if (internalCbData == 0) { + internalCbData = new QClipboardData; + if (internalCbData) + { + if (!internalCbData->connected()) + { + delete internalCbData; + internalCbData = 0; + } + else + { + qAddPostRoutine(cleanupClipboardData); + } + } + } + return internalCbData; +} + +void writeToStreamLX(const QMimeData* aData, RWriteStream& aStream) +{ + // This function both leaves and throws exceptions. There must be no destructor + // dependencies between cleanup styles, and no cleanup stack dependencies on stacked objects. + QStringList headers = aData->formats(); + aStream << TCardinality(headers.count()); + for (QStringList::const_iterator iter= headers.constBegin();iter != headers.constEnd();iter++) + { + HBufC* stringData = TPtrC(reinterpret_cast<const TUint16*>((*iter).utf16())).AllocLC(); + QByteArray ba = aData->data((*iter)); + // mime type + aStream << TCardinality(stringData->Size()); + aStream << *(stringData); + // mime data + aStream << TCardinality(ba.size()); + aStream.WriteL(reinterpret_cast<const uchar*>(ba.constData()),ba.size()); + CleanupStack::PopAndDestroy(stringData); + } +} + +void writeToSymbianStoreLX(const QMimeData* aData, CClipboard* clipboard) +{ + // This function both leaves and throws exceptions. There must be no destructor + // dependencies between cleanup styles, and no cleanup stack dependencies on stacked objects. + if (aData->hasText()) { + CPlainText* text = CPlainText::NewL(); + CleanupStack::PushL(text); + + TPtrC textPtr(qt_QString2TPtrC(aData->text())); + text->InsertL(KPlainTextBegin, textPtr); + text->CopyToStoreL(clipboard->Store(), clipboard->StreamDictionary(), + KPlainTextBegin, textPtr.Length()); + CleanupStack::PopAndDestroy(text); + } +} + +void readSymbianStoreLX(QMimeData* aData, CClipboard* clipboard) +{ + // This function both leaves and throws exceptions. There must be no destructor + // dependencies between cleanup styles, and no cleanup stack dependencies on stacked objects. + CPlainText* text = CPlainText::NewL(); + CleanupStack::PushL(text); + TInt dataLength = text->PasteFromStoreL(clipboard->Store(), clipboard->StreamDictionary(), + KPlainTextBegin); + if (dataLength == 0) { + User::Leave(KErrNotFound); + } + HBufC* hBuf = HBufC::NewL(dataLength); + TPtr buf = hBuf->Des(); + text->Extract(buf, KPlainTextBegin, dataLength); + + QString string = qt_TDesC2QString(buf); + CleanupStack::PopAndDestroy(text); + + aData->setText(string); +} + +void readFromStreamLX(QMimeData* aData,RReadStream& aStream) +{ + // This function both leaves and throws exceptions. There must be no destructor + // dependencies between cleanup styles, and no cleanup stack dependencies on stacked objects. + TCardinality mimeTypeCount; + aStream >> mimeTypeCount; + for (int i = 0; i< mimeTypeCount;i++) + { + // mime type + TCardinality mimeTypeSize; + aStream >> mimeTypeSize; + HBufC* mimeTypeBuf = HBufC::NewLC(aStream,mimeTypeSize); + QString mimeType = QString(reinterpret_cast<const QChar *>(mimeTypeBuf->Des().Ptr()), + mimeTypeBuf->Length()); + CleanupStack::PopAndDestroy(mimeTypeBuf); + // mime data + TCardinality dataSize; + aStream >> dataSize; + QByteArray ba; + ba.reserve(dataSize); + aStream.ReadL(reinterpret_cast<uchar*>(ba.data_ptr()->data),dataSize); + ba.data_ptr()->size = dataSize; + aData->setData(mimeType,ba); + } +} + + +/***************************************************************************** + QClipboard member functions + *****************************************************************************/ + +void QClipboard::clear(Mode mode) +{ + setText(QString(), mode); +} +const QMimeData* QClipboard::mimeData(Mode mode) const +{ + if (mode != Clipboard) return 0; + QClipboardData *d = clipboardData(); + bool dataExists(false); + if (d) + { + TRAPD(err,{ + RFs fs = qt_s60GetRFs(); + CClipboard* cb = CClipboard::NewForReadingLC(fs); + Q_ASSERT(cb); + //stream for qt + RStoreReadStream stream; + TStreamId stid = (cb->StreamDictionary()).At(KQtCbDataStream); + if (stid != 0) { + stream.OpenLC(cb->Store(),stid); + QT_TRYCATCH_LEAVING(readFromStreamLX(d->source(),stream)); + CleanupStack::PopAndDestroy(&stream); + dataExists = true; + } + else { + //symbian clipboard + RStoreReadStream symbianStream; + TStreamId symbianStId = (cb->StreamDictionary()).At(KClipboardUidTypePlainText); + if (symbianStId != 0) { + symbianStream.OpenLC(cb->Store(), symbianStId); + QT_TRYCATCH_LEAVING(readSymbianStoreLX(d->source(), cb)); + CleanupStack::PopAndDestroy(&symbianStream); + dataExists = true; + } + } + CleanupStack::PopAndDestroy(cb); + }); + if (err != KErrNone){ + qDebug()<< "clipboard is empty/err: " << err; + } + + if (dataExists) { + return d->source(); + } + } + return 0; +} + + +void QClipboard::setMimeData(QMimeData* src, Mode mode) +{ + if (mode != Clipboard) return; + QClipboardData *d = clipboardData(); + if (d) + { + TRAPD(err,{ + RFs fs = qt_s60GetRFs(); + CClipboard* cb = CClipboard::NewForWritingLC(fs); + //stream for qt + RStoreWriteStream stream; + TStreamId stid = stream.CreateLC(cb->Store()); + QT_TRYCATCH_LEAVING(writeToStreamLX(src,stream)); + d->setSource(src); + stream.CommitL(); + (cb->StreamDictionary()).AssignL(KQtCbDataStream,stid); + cb->CommitL(); + + //stream for symbian + RStoreWriteStream symbianStream; + TStreamId symbianStId = symbianStream.CreateLC(cb->Store()); + QT_TRYCATCH_LEAVING(writeToSymbianStoreLX(src, cb)); + (cb->StreamDictionary()).AssignL(KClipboardUidTypePlainText, symbianStId); + cb->CommitL(); + CleanupStack::PopAndDestroy(3,cb); + }); + if (err != KErrNone){ + qDebug()<< "clipboard write err :" << err; + } + } + emitChanged(QClipboard::Clipboard); +} + +bool QClipboard::supportsMode(Mode mode) const +{ + return (mode == Clipboard); +} + +bool QClipboard::ownsMode(Mode mode) const +{ + if (mode == Clipboard) + qWarning("QClipboard::ownsClipboard: UNIMPLEMENTED!"); + return false; +} + +bool QClipboard::event(QEvent * /* e */) +{ + return true; +} + +void QClipboard::connectNotify( const char * ) +{ +} + +void QClipboard::ownerDestroyed() +{ +} +QT_END_NAMESPACE +#endif // QT_NO_CLIPBOARD |