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authorFriedemann Kleint <Friedemann.Kleint@nokia.com>2012-03-07 14:46:04 +0100
committerQt by Nokia <qt-info@nokia.com>2012-03-07 16:37:24 +0100
commit24be238fccee67ad060247ad22e15b6bddd506e0 (patch)
treec342201da5f78bf13e112e2e64ceed3d2c51f290 /src/plugins/platforms/cocoa/qmacclipboard.mm
parentb460eca94127123b8408c7fe048d7c77446547d9 (diff)
Cocoa: Implement Drag-and-Drop.
Implement drag and drop support for drags originating from outside Qt. Port mime and pasteboard code from Qt 4. Use QSimpleDrag from from platform support to implement internal Qt drags. Change-Id: I5b664a95ebb00f48de2bd21c24dfb579af16123e Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>
Diffstat (limited to 'src/plugins/platforms/cocoa/qmacclipboard.mm')
-rw-r--r--src/plugins/platforms/cocoa/qmacclipboard.mm653
1 files changed, 653 insertions, 0 deletions
diff --git a/src/plugins/platforms/cocoa/qmacclipboard.mm b/src/plugins/platforms/cocoa/qmacclipboard.mm
new file mode 100644
index 0000000000..d5af6de69c
--- /dev/null
+++ b/src/plugins/platforms/cocoa/qmacclipboard.mm
@@ -0,0 +1,653 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qmacclipboard.h"
+#include "qclipboard.h"
+#include "qapplication.h"
+#include "qbitmap.h"
+#include "qdatetime.h"
+#include "qdebug.h"
+#include "qguiapplication.h"
+#include "qevent.h"
+#include "qurl.h"
+#include <stdlib.h>
+#include <string.h>
+#include "qcocoahelpers.h"
+#include "qmacmime.h"
+#include "qcocoaautoreleasepool.h"
+
+QT_BEGIN_NAMESPACE
+
+QT_USE_NAMESPACE
+
+/*****************************************************************************
+ QClipboard debug facilities
+ *****************************************************************************/
+//#define DEBUG_PASTEBOARD
+
+#ifndef QT_NO_CLIPBOARD
+
+/*****************************************************************************
+ QClipboard member functions for mac.
+ *****************************************************************************/
+
+static QMacPasteboard *qt_mac_pasteboards[2] = {0, 0};
+
+static inline QMacPasteboard *qt_mac_pasteboard(QClipboard::Mode mode)
+{
+ Q_ASSERT(mode == QClipboard::Clipboard || mode == QClipboard::FindBuffer);
+ if (mode == QClipboard::Clipboard)
+ return qt_mac_pasteboards[0];
+ else
+ return qt_mac_pasteboards[1];
+}
+
+static void qt_mac_cleanupPasteboard() {
+ delete qt_mac_pasteboards[0];
+ delete qt_mac_pasteboards[1];
+ qt_mac_pasteboards[0] = 0;
+ qt_mac_pasteboards[1] = 0;
+}
+
+static bool qt_mac_updateScrap(QClipboard::Mode mode)
+{
+ if (!qt_mac_pasteboards[0]) {
+ qt_mac_pasteboards[0] = new QMacPasteboard(kPasteboardClipboard, QMacPasteboardMime::MIME_CLIP);
+ qt_mac_pasteboards[1] = new QMacPasteboard(kPasteboardFind, QMacPasteboardMime::MIME_CLIP);
+ qAddPostRoutine(qt_mac_cleanupPasteboard);
+ return true;
+ }
+ return qt_mac_pasteboard(mode)->sync();
+}
+
+void QClipboard::clear(Mode mode)
+{
+ if (!supportsMode(mode))
+ return;
+ qt_mac_updateScrap(mode);
+ qt_mac_pasteboard(mode)->clear();
+ setMimeData(0, mode);
+}
+
+void QClipboard::ownerDestroyed()
+{
+}
+
+
+void QClipboard::connectNotify(const char *signal)
+{
+ Q_UNUSED(signal);
+}
+
+bool QClipboard::event(QEvent *e)
+{
+ if (e->type() != QEvent::Clipboard)
+ return QObject::event(e);
+
+ if (qt_mac_updateScrap(QClipboard::Clipboard)) {
+ emitChanged(QClipboard::Clipboard);
+ }
+
+ if (qt_mac_updateScrap(QClipboard::FindBuffer)) {
+ emitChanged(QClipboard::FindBuffer);
+ }
+
+ return QObject::event(e);
+}
+
+const QMimeData *QClipboard::mimeData(Mode mode) const
+{
+ if (!supportsMode(mode))
+ return 0;
+ qt_mac_updateScrap(mode);
+ return qt_mac_pasteboard(mode)->mimeData();
+}
+
+void QClipboard::setMimeData(QMimeData *src, Mode mode)
+{
+ if (!supportsMode(mode))
+ return;
+ qt_mac_updateScrap(mode);
+ qt_mac_pasteboard(mode)->setMimeData(src);
+ emitChanged(mode);
+}
+
+bool QClipboard::supportsMode(Mode mode) const
+{
+ return (mode == Clipboard || mode == FindBuffer);
+}
+
+bool QClipboard::ownsMode(Mode mode) const
+{
+ Q_UNUSED(mode);
+ return false;
+}
+
+#endif // QT_NO_CLIPBOARD
+
+/*****************************************************************************
+ QMacPasteboard code
+*****************************************************************************/
+
+QMacPasteboard::QMacPasteboard(PasteboardRef p, uchar mt)
+{
+ mac_mime_source = false;
+ mime_type = mt ? mt : uchar(QMacPasteboardMime::MIME_ALL);
+ paste = p;
+ CFRetain(paste);
+}
+
+QMacPasteboard::QMacPasteboard(uchar mt)
+{
+ mac_mime_source = false;
+ mime_type = mt ? mt : uchar(QMacPasteboardMime::MIME_ALL);
+ paste = 0;
+ OSStatus err = PasteboardCreate(0, &paste);
+ if (err == noErr) {
+ PasteboardSetPromiseKeeper(paste, promiseKeeper, this);
+ } else {
+ qDebug("PasteBoard: Error creating pasteboard: [%d]", (int)err);
+ }
+}
+
+QMacPasteboard::QMacPasteboard(CFStringRef name, uchar mt)
+{
+ mac_mime_source = false;
+ mime_type = mt ? mt : uchar(QMacPasteboardMime::MIME_ALL);
+ paste = 0;
+ OSStatus err = PasteboardCreate(name, &paste);
+ if (err == noErr) {
+ PasteboardSetPromiseKeeper(paste, promiseKeeper, this);
+ } else {
+ qDebug("PasteBoard: Error creating pasteboard: %s [%d]", QCFString::toQString(name).toLatin1().constData(), (int)err);
+ }
+}
+
+QMacPasteboard::~QMacPasteboard()
+{
+ // commit all promises for paste after exit close
+ for (int i = 0; i < promises.count(); ++i) {
+ const Promise &promise = promises.at(i);
+ QCFString flavor = QCFString(promise.convertor->flavorFor(promise.mime));
+ promiseKeeper(paste, (PasteboardItemID)promise.itemId, flavor, this);
+ }
+
+ if (paste)
+ CFRelease(paste);
+}
+
+PasteboardRef
+QMacPasteboard::pasteBoard() const
+{
+ return paste;
+}
+
+OSStatus QMacPasteboard::promiseKeeper(PasteboardRef paste, PasteboardItemID id, CFStringRef flavor, void *_qpaste)
+{
+ QMacPasteboard *qpaste = (QMacPasteboard*)_qpaste;
+ const long promise_id = (long)id;
+
+ // Find the kept promise
+ const QString flavorAsQString = QCFString::toQString(flavor);
+ QMacPasteboard::Promise promise;
+ for (int i = 0; i < qpaste->promises.size(); i++){
+ QMacPasteboard::Promise tmp = qpaste->promises[i];
+ if (tmp.itemId == promise_id && tmp.convertor->canConvert(tmp.mime, flavorAsQString)){
+ promise = tmp;
+ break;
+ }
+ }
+
+ if (!promise.itemId && flavorAsQString == QLatin1String("com.trolltech.qt.MimeTypeName")) {
+ // we have promised this data, but wont be able to convert, so return null data.
+ // This helps in making the application/x-qt-mime-type-name hidden from normal use.
+ QByteArray ba;
+ QCFType<CFDataRef> data = CFDataCreate(0, (UInt8*)ba.constData(), ba.size());
+ PasteboardPutItemFlavor(paste, id, flavor, data, kPasteboardFlavorNoFlags);
+ return noErr;
+ }
+
+ if (!promise.itemId) {
+ // There was no promise that could deliver data for the
+ // given id and flavor. This should not happend.
+ qDebug("Pasteboard: %d: Request for %ld, %s, but no promise found!", __LINE__, promise_id, qPrintable(flavorAsQString));
+ return cantGetFlavorErr;
+ }
+
+#ifdef DEBUG_PASTEBOARD
+ qDebug("PasteBoard: Calling in promise for %s[%ld] [%s] (%s) [%d]", qPrintable(promise.mime), promise_id,
+ qPrintable(flavorAsQString), qPrintable(promise.convertor->convertorName()), promise.offset);
+#endif
+
+ QList<QByteArray> md = promise.convertor->convertFromMime(promise.mime, promise.data, flavorAsQString);
+ if (md.size() <= promise.offset)
+ return cantGetFlavorErr;
+ const QByteArray &ba = md[promise.offset];
+ QCFType<CFDataRef> data = CFDataCreate(0, (UInt8*)ba.constData(), ba.size());
+ PasteboardPutItemFlavor(paste, id, flavor, data, kPasteboardFlavorNoFlags);
+ return noErr;
+}
+
+bool
+QMacPasteboard::hasOSType(int c_flavor) const
+{
+ if (!paste)
+ return false;
+
+ sync();
+
+ ItemCount cnt = 0;
+ if (PasteboardGetItemCount(paste, &cnt) || !cnt)
+ return false;
+
+#ifdef DEBUG_PASTEBOARD
+ qDebug("PasteBoard: hasOSType [%c%c%c%c]", (c_flavor>>24)&0xFF, (c_flavor>>16)&0xFF,
+ (c_flavor>>8)&0xFF, (c_flavor>>0)&0xFF);
+#endif
+ for (uint index = 1; index <= cnt; ++index) {
+
+ PasteboardItemID id;
+ if (PasteboardGetItemIdentifier(paste, index, &id) != noErr)
+ return false;
+
+ QCFType<CFArrayRef> types;
+ if (PasteboardCopyItemFlavors(paste, id, &types ) != noErr)
+ return false;
+
+ const int type_count = CFArrayGetCount(types);
+ for (int i = 0; i < type_count; ++i) {
+ CFStringRef flavor = (CFStringRef)CFArrayGetValueAtIndex(types, i);
+ const int os_flavor = UTGetOSTypeFromString(UTTypeCopyPreferredTagWithClass(flavor, kUTTagClassOSType));
+ if (os_flavor == c_flavor) {
+#ifdef DEBUG_PASTEBOARD
+ qDebug(" - Found!");
+#endif
+ return true;
+ }
+ }
+ }
+#ifdef DEBUG_PASTEBOARD
+ qDebug(" - NotFound!");
+#endif
+ return false;
+}
+
+bool
+QMacPasteboard::hasFlavor(QString c_flavor) const
+{
+ if (!paste)
+ return false;
+
+ sync();
+
+ ItemCount cnt = 0;
+ if (PasteboardGetItemCount(paste, &cnt) || !cnt)
+ return false;
+
+#ifdef DEBUG_PASTEBOARD
+ qDebug("PasteBoard: hasFlavor [%s]", qPrintable(c_flavor));
+#endif
+ for (uint index = 1; index <= cnt; ++index) {
+
+ PasteboardItemID id;
+ if (PasteboardGetItemIdentifier(paste, index, &id) != noErr)
+ return false;
+
+ PasteboardFlavorFlags flags;
+ if (PasteboardGetItemFlavorFlags(paste, id, QCFString(c_flavor), &flags) == noErr) {
+#ifdef DEBUG_PASTEBOARD
+ qDebug(" - Found!");
+#endif
+ return true;
+ }
+ }
+#ifdef DEBUG_PASTEBOARD
+ qDebug(" - NotFound!");
+#endif
+ return false;
+}
+
+class QMacPasteboardMimeSource : public QMimeData {
+ const QMacPasteboard *paste;
+public:
+ QMacPasteboardMimeSource(const QMacPasteboard *p) : QMimeData(), paste(p) { }
+ ~QMacPasteboardMimeSource() { }
+ virtual QStringList formats() const { return paste->formats(); }
+ virtual QVariant retrieveData(const QString &format, QVariant::Type type) const { return paste->retrieveData(format, type); }
+};
+
+QMimeData
+*QMacPasteboard::mimeData() const
+{
+ if (!mime) {
+ mac_mime_source = true;
+ mime = new QMacPasteboardMimeSource(this);
+
+ }
+ return mime;
+}
+
+class QMacMimeData : public QMimeData
+{
+public:
+ QVariant variantData(const QString &mime) { return retrieveData(mime, QVariant::Invalid); }
+private:
+ QMacMimeData();
+};
+
+void
+QMacPasteboard::setMimeData(QMimeData *mime_src)
+{
+ if (!paste)
+ return;
+
+ if (mime == mime_src || (!mime_src && mime && mac_mime_source))
+ return;
+ mac_mime_source = false;
+ delete mime;
+ mime = mime_src;
+
+ QList<QMacPasteboardMime*> availableConverters = QMacPasteboardMime::all(mime_type);
+ if (mime != 0) {
+ clear_helper();
+ QStringList formats = mime_src->formats();
+
+ // QMimeData sub classes reimplementing the formats() might not expose the
+ // temporary "application/x-qt-mime-type-name" mimetype. So check the existence
+ // of this mime type while doing drag and drop.
+ QString dummyMimeType(QLatin1String("application/x-qt-mime-type-name"));
+ if (!formats.contains(dummyMimeType)) {
+ QByteArray dummyType = mime_src->data(dummyMimeType);
+ if (!dummyType.isEmpty()) {
+ formats.append(dummyMimeType);
+ }
+ }
+ for (int f = 0; f < formats.size(); ++f) {
+ QString mimeType = formats.at(f);
+ for (QList<QMacPasteboardMime *>::Iterator it = availableConverters.begin(); it != availableConverters.end(); ++it) {
+ QMacPasteboardMime *c = (*it);
+ QString flavor(c->flavorFor(mimeType));
+ if (!flavor.isEmpty()) {
+ QVariant mimeData = static_cast<QMacMimeData*>(mime_src)->variantData(mimeType);
+#if 0
+ //### Grrr, why didn't I put in a virtual int QMacPasteboardMime::count()? --Sam
+ const int numItems = c->convertFromMime(mimeType, mimeData, flavor).size();
+#else
+ int numItems = 1; //this is a hack but it is much faster than allowing conversion above
+ if (c->convertorName() == QLatin1String("FileURL"))
+ numItems = mime_src->urls().count();
+#endif
+ for (int item = 0; item < numItems; ++item) {
+ const int itemID = item+1; //id starts at 1
+ promises.append(QMacPasteboard::Promise(itemID, c, mimeType, mimeData, item));
+ PasteboardPutItemFlavor(paste, (PasteboardItemID)itemID, QCFString(flavor), 0, kPasteboardFlavorNoFlags);
+#ifdef DEBUG_PASTEBOARD
+ qDebug(" - adding %d %s [%s] <%s> [%d]",
+ itemID, qPrintable(mimeType), qPrintable(flavor), qPrintable(c->convertorName()), item);
+#endif
+ }
+ }
+ }
+ }
+ }
+}
+
+QStringList
+QMacPasteboard::formats() const
+{
+ if (!paste)
+ return QStringList();
+
+ sync();
+
+ QStringList ret;
+ ItemCount cnt = 0;
+ if (PasteboardGetItemCount(paste, &cnt) || !cnt)
+ return ret;
+
+#ifdef DEBUG_PASTEBOARD
+ qDebug("PasteBoard: Formats [%d]", (int)cnt);
+#endif
+ for (uint index = 1; index <= cnt; ++index) {
+
+ PasteboardItemID id;
+ if (PasteboardGetItemIdentifier(paste, index, &id) != noErr)
+ continue;
+
+ QCFType<CFArrayRef> types;
+ if (PasteboardCopyItemFlavors(paste, id, &types ) != noErr)
+ continue;
+
+ const int type_count = CFArrayGetCount(types);
+ for (int i = 0; i < type_count; ++i) {
+ const QString flavor = QCFString::toQString((CFStringRef)CFArrayGetValueAtIndex(types, i));
+#ifdef DEBUG_PASTEBOARD
+ qDebug(" -%s", qPrintable(QString(flavor)));
+#endif
+ QString mimeType = QMacPasteboardMime::flavorToMime(mime_type, flavor);
+ if (!mimeType.isEmpty() && !ret.contains(mimeType)) {
+#ifdef DEBUG_PASTEBOARD
+ qDebug(" -<%d> %s [%s]", ret.size(), qPrintable(mimeType), qPrintable(QString(flavor)));
+#endif
+ ret << mimeType;
+ }
+ }
+ }
+ return ret;
+}
+
+bool
+QMacPasteboard::hasFormat(const QString &format) const
+{
+ if (!paste)
+ return false;
+
+ sync();
+
+ ItemCount cnt = 0;
+ if (PasteboardGetItemCount(paste, &cnt) || !cnt)
+ return false;
+
+#ifdef DEBUG_PASTEBOARD
+ qDebug("PasteBoard: hasFormat [%s]", qPrintable(format));
+#endif
+ for (uint index = 1; index <= cnt; ++index) {
+
+ PasteboardItemID id;
+ if (PasteboardGetItemIdentifier(paste, index, &id) != noErr)
+ continue;
+
+ QCFType<CFArrayRef> types;
+ if (PasteboardCopyItemFlavors(paste, id, &types ) != noErr)
+ continue;
+
+ const int type_count = CFArrayGetCount(types);
+ for (int i = 0; i < type_count; ++i) {
+ const QString flavor = QCFString::toQString((CFStringRef)CFArrayGetValueAtIndex(types, i));
+#ifdef DEBUG_PASTEBOARD
+ qDebug(" -%s [0x%x]", qPrintable(QString(flavor)), mime_type);
+#endif
+ QString mimeType = QMacPasteboardMime::flavorToMime(mime_type, flavor);
+#ifdef DEBUG_PASTEBOARD
+ if (!mimeType.isEmpty())
+ qDebug(" - %s", qPrintable(mimeType));
+#endif
+ if (mimeType == format)
+ return true;
+ }
+ }
+ return false;
+}
+
+QVariant
+QMacPasteboard::retrieveData(const QString &format, QVariant::Type) const
+{
+ if (!paste)
+ return QVariant();
+
+ sync();
+
+ ItemCount cnt = 0;
+ if (PasteboardGetItemCount(paste, &cnt) || !cnt)
+ return QByteArray();
+
+#ifdef DEBUG_PASTEBOARD
+ qDebug("Pasteboard: retrieveData [%s]", qPrintable(format));
+#endif
+ const QList<QMacPasteboardMime *> mimes = QMacPasteboardMime::all(mime_type);
+ for (int mime = 0; mime < mimes.size(); ++mime) {
+ QMacPasteboardMime *c = mimes.at(mime);
+ QString c_flavor = c->flavorFor(format);
+ if (!c_flavor.isEmpty()) {
+ // Handle text/plain a little differently. Try handling Unicode first.
+ bool checkForUtf16 = (c_flavor == QLatin1String("com.apple.traditional-mac-plain-text")
+ || c_flavor == QLatin1String("public.utf8-plain-text"));
+ if (checkForUtf16 || c_flavor == QLatin1String("public.utf16-plain-text")) {
+ // Try to get the NSStringPboardType from NSPasteboard, newlines are mapped
+ // correctly (as '\n') in this data. The 'public.utf16-plain-text' type
+ // usually maps newlines to '\r' instead.
+ QString str = qt_mac_get_pasteboardString(paste);
+ if (!str.isEmpty())
+ return str;
+ }
+ if (checkForUtf16 && hasFlavor(QLatin1String("public.utf16-plain-text")))
+ c_flavor = QLatin1String("public.utf16-plain-text");
+
+ QVariant ret;
+ QList<QByteArray> retList;
+ for (uint index = 1; index <= cnt; ++index) {
+ PasteboardItemID id;
+ if (PasteboardGetItemIdentifier(paste, index, &id) != noErr)
+ continue;
+
+ QCFType<CFArrayRef> types;
+ if (PasteboardCopyItemFlavors(paste, id, &types ) != noErr)
+ continue;
+
+ const int type_count = CFArrayGetCount(types);
+ for (int i = 0; i < type_count; ++i) {
+ CFStringRef flavor = static_cast<CFStringRef>(CFArrayGetValueAtIndex(types, i));
+ if (c_flavor == QCFString::toQString(flavor)) {
+ QCFType<CFDataRef> macBuffer;
+ if (PasteboardCopyItemFlavorData(paste, id, flavor, &macBuffer) == noErr) {
+ QByteArray buffer((const char *)CFDataGetBytePtr(macBuffer), CFDataGetLength(macBuffer));
+ if (!buffer.isEmpty()) {
+#ifdef DEBUG_PASTEBOARD
+ qDebug(" - %s [%s] (%s)", qPrintable(format), qPrintable(QCFString::toQString(flavor)), qPrintable(c->convertorName()));
+#endif
+ buffer.detach(); //detach since we release the macBuffer
+ retList.append(buffer);
+ break; //skip to next element
+ }
+ }
+ } else {
+#ifdef DEBUG_PASTEBOARD
+ qDebug(" - NoMatch %s [%s] (%s)", qPrintable(c_flavor), qPrintable(QCFString::toQString(flavor)), qPrintable(c->convertorName()));
+#endif
+ }
+ }
+ }
+
+ if (!retList.isEmpty()) {
+ ret = c->convertToMime(format, retList, c_flavor);
+ return ret;
+ }
+ }
+ }
+ return QVariant();
+}
+
+void QMacPasteboard::clear_helper()
+{
+ if (paste)
+ PasteboardClear(paste);
+ promises.clear();
+}
+
+void
+QMacPasteboard::clear()
+{
+#ifdef DEBUG_PASTEBOARD
+ qDebug("PasteBoard: clear!");
+#endif
+ clear_helper();
+}
+
+bool
+QMacPasteboard::sync() const
+{
+ if (!paste)
+ return false;
+ const bool fromGlobal = PasteboardSynchronize(paste) & kPasteboardModified;
+
+ if (fromGlobal)
+ const_cast<QMacPasteboard *>(this)->setMimeData(0);
+
+#ifdef DEBUG_PASTEBOARD
+ if (fromGlobal)
+ qDebug("Pasteboard: Synchronize!");
+#endif
+ return fromGlobal;
+}
+
+
+QString qt_mac_get_pasteboardString(PasteboardRef paste)
+{
+ QCocoaAutoReleasePool pool;
+ NSPasteboard *pb = nil;
+ CFStringRef pbname;
+ if (PasteboardCopyName(paste, &pbname) == noErr) {
+ pb = [NSPasteboard pasteboardWithName:const_cast<NSString *>(reinterpret_cast<const NSString *>(pbname))];
+ CFRelease(pbname);
+ } else {
+ pb = [NSPasteboard generalPasteboard];
+ }
+ if (pb) {
+ NSString *text = [pb stringForType:NSStringPboardType];
+ if (text)
+ return QCFString::toQString(text);
+ }
+ return QString();
+}
+
+
+
+QT_END_NAMESPACE