/**************************************************************************** ** ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the plugins of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Digia. For licensing terms and ** conditions see http://qt.digia.com/licensing. 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These rights are described in the Digia 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. ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qxlibmime.h" #include "qxlibstatic.h" #include "qxlibscreen.h" #include #include #include QXlibMime::QXlibMime() : QInternalMimeData() { } QXlibMime::~QXlibMime() {} QString QXlibMime::mimeAtomToString(Display *display, Atom a) { if (!a) return 0; if (a == XA_STRING || a == QXlibStatic::atom(QXlibStatic::UTF8_STRING)) { return "text/plain"; // some Xdnd clients are dumb } char *atom = XGetAtomName(display, a); QString result = QString::fromLatin1(atom); XFree(atom); return result; } Atom QXlibMime::mimeStringToAtom(Display *display, const QString &mimeType) { if (mimeType.isEmpty()) return 0; return XInternAtom(display, mimeType.toLatin1().constData(), False); } QStringList QXlibMime::mimeFormatsForAtom(Display *display, Atom a) { QStringList formats; if (a) { QString atomName = mimeAtomToString(display, a); formats.append(atomName); // special cases for string type if (a == QXlibStatic::atom(QXlibStatic::UTF8_STRING) || a == XA_STRING || a == QXlibStatic::atom(QXlibStatic::TEXT) || a == QXlibStatic::atom(QXlibStatic::COMPOUND_TEXT)) formats.append(QLatin1String("text/plain")); // special cases for uris if (atomName == QLatin1String("text/x-moz-url")) formats.append(QLatin1String("text/uri-list")); // special case for images if (a == XA_PIXMAP) formats.append(QLatin1String("image/ppm")); } return formats; } bool QXlibMime::mimeDataForAtom(Display *display, Atom a, QMimeData *mimeData, QByteArray *data, Atom *atomFormat, int *dataFormat) { bool ret = false; *atomFormat = a; *dataFormat = 8; QString atomName = mimeAtomToString(display, a); if (QInternalMimeData::hasFormatHelper(atomName, mimeData)) { *data = QInternalMimeData::renderDataHelper(atomName, mimeData); if (atomName == QLatin1String("application/x-color")) *dataFormat = 16; ret = true; } else { if ((a == QXlibStatic::atom(QXlibStatic::UTF8_STRING) || a == XA_STRING || a == QXlibStatic::atom(QXlibStatic::TEXT) || a == QXlibStatic::atom(QXlibStatic::COMPOUND_TEXT)) && QInternalMimeData::hasFormatHelper(QLatin1String("text/plain"), mimeData)) { if (a == QXlibStatic::atom(QXlibStatic::UTF8_STRING)){ *data = QInternalMimeData::renderDataHelper(QLatin1String("text/plain"), mimeData); ret = true; } else if (a == XA_STRING) { *data = QString::fromUtf8(QInternalMimeData::renderDataHelper( QLatin1String("text/plain"), mimeData)).toLocal8Bit(); ret = true; } else if (a == QXlibStatic::atom(QXlibStatic::TEXT) || a == QXlibStatic::atom(QXlibStatic::COMPOUND_TEXT)) { // the ICCCM states that TEXT and COMPOUND_TEXT are in the // encoding of choice, so we choose the encoding of the locale QByteArray strData = QString::fromUtf8(QInternalMimeData::renderDataHelper( QLatin1String("text/plain"), mimeData)).toLocal8Bit(); char *list[] = { strData.data(), NULL }; XICCEncodingStyle style = (a == QXlibStatic::atom(QXlibStatic::COMPOUND_TEXT)) ? XCompoundTextStyle : XStdICCTextStyle; XTextProperty textprop; if (list[0] != NULL && XmbTextListToTextProperty(display, list, 1, style, &textprop) == Success) { *atomFormat = textprop.encoding; *dataFormat = textprop.format; *data = QByteArray((const char *) textprop.value, textprop.nitems * textprop.format / 8); ret = true; XFree(textprop.value); } } } else if (atomName == QLatin1String("text/x-moz-url") && QInternalMimeData::hasFormatHelper(QLatin1String("text/uri-list"), mimeData)) { QByteArray uri = QInternalMimeData::renderDataHelper( QLatin1String("text/uri-list"), mimeData).split('\n').first(); QString mozUri = QString::fromLatin1(uri, uri.size()); mozUri += QLatin1Char('\n'); *data = QByteArray(reinterpret_cast(mozUri.utf16()), mozUri.length() * 2); ret = true; } else if ((a == XA_PIXMAP || a == XA_BITMAP) && mimeData->hasImage()) { ret = true; } } return ret && data != 0; } QList QXlibMime::mimeAtomsForFormat(Display *display, const QString &format) { QList atoms; atoms.append(mimeStringToAtom(display, format)); // special cases for strings if (format == QLatin1String("text/plain")) { atoms.append(QXlibStatic::atom(QXlibStatic::UTF8_STRING)); atoms.append(XA_STRING); atoms.append(QXlibStatic::atom(QXlibStatic::TEXT)); atoms.append(QXlibStatic::atom(QXlibStatic::COMPOUND_TEXT)); } // special cases for uris if (format == QLatin1String("text/uri-list")) { atoms.append(mimeStringToAtom(display,QLatin1String("text/x-moz-url"))); } //special cases for images if (format == QLatin1String("image/ppm")) atoms.append(XA_PIXMAP); if (format == QLatin1String("image/pbm")) atoms.append(XA_BITMAP); return atoms; } QVariant QXlibMime::mimeConvertToFormat(Display *display, Atom a, const QByteArray &data, const QString &format, QVariant::Type requestedType, const QByteArray &encoding) { QString atomName = mimeAtomToString(display,a); if (atomName == format) return data; if (!encoding.isEmpty() && atomName == format + QLatin1String(";charset=") + QString::fromLatin1(encoding)) { if (requestedType == QVariant::String) { QTextCodec *codec = QTextCodec::codecForName(encoding); if (codec) return codec->toUnicode(data); } return data; } // special cases for string types if (format == QLatin1String("text/plain")) { if (a == QXlibStatic::atom(QXlibStatic::UTF8_STRING)) return QString::fromUtf8(data); if (a == XA_STRING) return QString::fromLatin1(data); if (a == QXlibStatic::atom(QXlibStatic::TEXT) || a == QXlibStatic::atom(QXlibStatic::COMPOUND_TEXT)) // #### might be wrong for COMPUND_TEXT return QString::fromLocal8Bit(data, data.size()); } // special case for uri types if (format == QLatin1String("text/uri-list")) { if (atomName == QLatin1String("text/x-moz-url")) { // we expect this as utf16 // the first part is a url that should only contain ascci char // so it should be safe to check that the second char is 0 // to verify that it is utf16 if (data.size() > 1 && data.at(1) == 0) return QString::fromRawData((const QChar *)data.constData(), data.size() / 2).split(QLatin1Char('\n')).first().toLatin1(); } } // special cas for images if (format == QLatin1String("image/ppm")) { if (a == XA_PIXMAP && data.size() == sizeof(Pixmap)) { Pixmap xpm = *((Pixmap*)data.data()); if (!xpm) return QByteArray(); Window root; int x; int y; uint width; uint height; uint border_width; uint depth; XGetGeometry(display, xpm, &root, &x, &y, &width, &height, &border_width, &depth); XImage *ximg = XGetImage(display,xpm,x,y,width,height,AllPlanes,depth==1 ? XYPixmap : ZPixmap); QImage qimg = QXlibStatic::qimageFromXImage(ximg); XDestroyImage(ximg); QImageWriter imageWriter; imageWriter.setFormat("PPMRAW"); QBuffer buf; buf.open(QIODevice::WriteOnly); imageWriter.setDevice(&buf); imageWriter.write(qimg); return buf.buffer(); } } return QVariant(); } Atom QXlibMime::mimeAtomForFormat(Display *display, const QString &format, QVariant::Type requestedType, const QList<Atom> &atoms, QByteArray *requestedEncoding) { requestedEncoding->clear(); // find matches for string types if (format == QLatin1String("text/plain")) { if (atoms.contains(QXlibStatic::atom(QXlibStatic::UTF8_STRING))) return QXlibStatic::atom(QXlibStatic::UTF8_STRING); if (atoms.contains(QXlibStatic::atom(QXlibStatic::COMPOUND_TEXT))) return QXlibStatic::atom(QXlibStatic::COMPOUND_TEXT); if (atoms.contains(QXlibStatic::atom(QXlibStatic::TEXT))) return QXlibStatic::atom(QXlibStatic::TEXT); if (atoms.contains(XA_STRING)) return XA_STRING; } // find matches for uri types if (format == QLatin1String("text/uri-list")) { Atom a = mimeStringToAtom(display,format); if (a && atoms.contains(a)) return a; a = mimeStringToAtom(display,QLatin1String("text/x-moz-url")); if (a && atoms.contains(a)) return a; } // find match for image if (format == QLatin1String("image/ppm")) { if (atoms.contains(XA_PIXMAP)) return XA_PIXMAP; } // for string/text requests try to use a format with a well-defined charset // first to avoid encoding problems if (requestedType == QVariant::String && format.startsWith(QLatin1String("text/")) && !format.contains(QLatin1String("charset="))) { QString formatWithCharset = format; formatWithCharset.append(QLatin1String(";charset=utf-8")); Atom a = mimeStringToAtom(display,formatWithCharset); if (a && atoms.contains(a)) { *requestedEncoding = "utf-8"; return a; } } Atom a = mimeStringToAtom(display,format); if (a && atoms.contains(a)) return a; return 0; }