Long live Qt!

1 files changed, 610 insertions, 0 deletions

diff --git a/src/gui/embedded/qwscommand_qws.cpp b/src/gui/embedded/qwscommand_qws.cpp
new file mode 100644
index 0000000..88e33a3
--- /dev/null
+++ b/src/gui/embedded/qwscommand_qws.cpp
@@ -0,0 +1,610 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwscommand_qws_p.h"
+#include "qtransportauth_qws.h"
+#include "qtransportauth_qws_p.h"
+
+#include <sys/uio.h>
+#include <unistd.h>
+
+// #define QWSCOMMAND_DEBUG 1 // Uncomment to debug client/server communication
+
+#ifdef QWSCOMMAND_DEBUG
+# include <qdebug.h>
+# include "qfile.h"
+# include <ctype.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+#ifdef QWSCOMMAND_DEBUG
+// QWSHexDump -[ start ]---------------------------------------------
+# define QWSHEXDUMP_MAX 32
+class QWSHexDump
+{
+public:
+
+    QWSHexDump(const void *address, int len, int wrapAt = 16)
+        : wrap(wrapAt), dataSize(len)
+    {
+        init();
+        data = reinterpret_cast<const char*>(address);
+        if (len < 0)
+            dataSize = 0;
+    }
+
+    QWSHexDump(const char *str, int len = -1, int wrapAt = 16)
+        : wrap(wrapAt), dataSize(len)
+    {
+        init();
+        data = str;
+        if (len == -1)
+            dataSize = str ? strlen(str) : 0;
+    }
+
+    QWSHexDump(const QByteArray &array, int wrapAt = 16)
+        : wrap(wrapAt)
+    {
+        init();
+        data = array.data();
+        dataSize = array.size();
+    }
+
+    // Sets a customized prefix for the hexdump
+    void setPrefix(const char *str) { prefix = str; }
+
+    // Sets number of bytes to cluster together
+    void setClusterSize(uint num) { clustering = num; }
+
+    // Output hexdump to a text stream
+    void intoTextStream(QTextStream &strm) {
+        outstrm = &strm;
+        hexDump();
+    }
+
+    // Output hexdump to a QString
+    QString toString();
+
+protected:
+    void init();
+    void hexDump();
+    void sideviewDump(int at);
+
+private:
+    uint wrap;
+    uint clustering;
+    uint dataSize;
+    int dataWidth;
+    const char *data;
+    const char *prefix;
+    bool dirty;
+
+    char sideviewLayout[QWSHEXDUMP_MAX + 1];
+    char sideview[15];
+
+    QTextStream *outstrm;
+};
+
+void QWSHexDump::init()
+{
+    prefix = "> ";             // Standard line prefix
+    clustering = 2;            // Word-size clustering by default
+    if (wrap > QWSHEXDUMP_MAX) // No wider than QWSHexDump_MAX bytes
+        wrap = QWSHEXDUMP_MAX;
+}
+
+void QWSHexDump::hexDump()
+{
+    *outstrm << "(" << dataSize << " bytes):\n" << prefix;
+    sprintf(sideviewLayout, " [%%-%us]", wrap);
+    dataWidth = (2 * wrap) + (wrap / clustering);
+
+    dirty = false;
+    uint wrapIndex = 0;
+    for (uint i = 0; i < dataSize; i++) {
+        uint c = static_cast<uchar>(data[i]);
+        sideview[wrapIndex = i%wrap] = isprint(c) ? c : '.';
+
+        if (wrapIndex && (wrapIndex % clustering == 0))
+            *outstrm << " ";
+
+        outstrm->setFieldWidth(2);
+        outstrm->setPadChar('0');
+        outstrm->setNumberFlags( QTextStream::ShowBase );
+        *outstrm << hex << c;
+        dirty = true;
+
+        if (wrapIndex == wrap-1) {
+            sideviewDump(wrapIndex);
+            wrapIndex = 0;
+            if (i+1 < dataSize)
+                *outstrm << endl << prefix;
+        }
+
+    }
+    sideviewDump(wrapIndex);
+}
+
+void QWSHexDump::sideviewDump(int at)
+{
+    if (dirty) {
+        dirty = false;
+        ++at;
+        sideview[at] = '\0';
+        int currentWidth = (2 * at) + (at / clustering) - (at%clustering?0:1);
+        int missing = qMax(dataWidth - currentWidth, 0);
+        while (missing--)
+            *outstrm << " ";
+
+        *outstrm << " [";
+        outstrm->setPadChar(' ');
+        outstrm->setFieldWidth(wrap);
+        outstrm->setFieldAlignment( QTextStream::AlignLeft );
+        *outstrm << sideview;
+        *outstrm << "]";
+    }
+}
+
+// Output hexdump to a QString
+QString QWSHexDump::toString() {
+    QString result;
+    QTextStream strm(&result, QFile::WriteOnly);
+    outstrm = &strm;
+    hexDump();
+    return result;
+}
+
+#ifndef QT_NO_DEBUG
+QDebug &operator<<(QDebug &dbg, QWSHexDump *hd) {
+    if (!hd)
+        return dbg << "QWSHexDump(0x0)";
+    QString result = hd->toString();
+    dbg.nospace() << result;
+    return dbg.space();
+}
+
+// GCC & Intel wont handle references here
+QDebug operator<<(QDebug dbg, QWSHexDump hd) {
+    return dbg << &hd;
+}
+#endif
+// QWSHexDump -[ end ]-----------------------------------------------
+
+
+QDebug &operator<<(QDebug &dbg, QWSCommand::Type tp)
+{
+    dbg << qws_getCommandTypeString( tp );
+    return dbg;
+}
+
+#define N_EVENTS 19
+const char * eventNames[N_EVENTS] =  {
+        "NoEvent",
+        "Connected",
+        "Mouse", "Focus", "Key",
+        "Region",
+        "Creation",
+        "PropertyNotify",
+        "PropertyReply",
+        "SelectionClear",
+        "SelectionRequest",
+        "SelectionNotify",
+        "MaxWindowRect",
+        "QCopMessage",
+        "WindowOperation",
+        "IMEvent",
+        "IMQuery",
+        "IMInit",
+        "Font"
+    };
+
+class QWSServer;
+extern QWSServer *qwsServer;
+#endif
+
+const char *qws_getCommandTypeString( QWSCommand::Type tp )
+{
+    const char *typeStr;
+    switch(tp) {
+        case QWSCommand::Create:
+            typeStr = "Create";
+            break;
+        case QWSCommand::Shutdown:
+            typeStr = "Shutdown";
+            break;
+        case QWSCommand::Region:
+            typeStr = "Region";
+            break;
+        case QWSCommand::RegionMove:
+            typeStr = "RegionMove";
+            break;
+        case QWSCommand::RegionDestroy:
+            typeStr = "RegionDestroy";
+            break;
+        case QWSCommand::SetProperty:
+            typeStr = "SetProperty";
+            break;
+        case QWSCommand::AddProperty:
+            typeStr = "AddProperty";
+            break;
+        case QWSCommand::RemoveProperty:
+            typeStr = "RemoveProperty";
+            break;
+        case QWSCommand::GetProperty:
+            typeStr = "GetProperty";
+            break;
+        case QWSCommand::SetSelectionOwner:
+            typeStr = "SetSelectionOwner";
+            break;
+        case QWSCommand::ConvertSelection:
+            typeStr = "ConvertSelection";
+            break;
+        case QWSCommand::RequestFocus:
+            typeStr = "RequestFocus";
+            break;
+        case QWSCommand::ChangeAltitude:
+            typeStr = "ChangeAltitude";
+            break;
+        case QWSCommand::SetOpacity:
+            typeStr = "SetOpacity";
+            break;
+        case QWSCommand::DefineCursor:
+            typeStr = "DefineCursor";
+            break;
+        case QWSCommand::SelectCursor:
+            typeStr = "SelectCursor";
+            break;
+        case QWSCommand::PositionCursor:
+            typeStr = "PositionCursor";
+            break;
+        case QWSCommand::GrabMouse:
+            typeStr = "GrabMouse";
+            break;
+        case QWSCommand::PlaySound:
+            typeStr = "PlaySound";
+            break;
+        case QWSCommand::QCopRegisterChannel:
+            typeStr = "QCopRegisterChannel";
+            break;
+        case QWSCommand::QCopSend:
+            typeStr = "QCopSend";
+            break;
+        case QWSCommand::RegionName:
+            typeStr = "RegionName";
+            break;
+        case QWSCommand::Identify:
+            typeStr = "Identify";
+            break;
+        case QWSCommand::GrabKeyboard:
+            typeStr = "GrabKeyboard";
+            break;
+        case QWSCommand::RepaintRegion:
+            typeStr = "RepaintRegion";
+            break;
+        case QWSCommand::IMMouse:
+            typeStr = "IMMouse";
+            break;
+        case QWSCommand::IMUpdate:
+            typeStr = "IMUpdate";
+            break;
+        case QWSCommand::IMResponse:
+            typeStr = "IMResponse";
+            break;
+        case QWSCommand::Font:
+            typeStr = "Font";
+            break;
+        case QWSCommand::Unknown:
+        default:
+            typeStr = "Unknown";
+            break;
+    }
+    return typeStr;
+}
+
+
+/*********************************************************************
+ *
+ * Functions to read/write commands on/from a socket
+ *
+ *********************************************************************/
+
+#ifndef QT_NO_QWS_MULTIPROCESS
+void qws_write_command(QIODevice *socket, int type, char *simpleData, int simpleLen,
+                       char *rawData, int rawLen)
+{
+#ifdef QWSCOMMAND_DEBUG
+    if (simpleLen) qDebug() << "WRITE simpleData " << QWSHexDump(simpleData, simpleLen);
+    if (rawLen > 0) qDebug() << "WRITE rawData " << QWSHexDump(rawData, rawLen);
+#endif
+
+#ifndef QT_NO_SXE
+    QTransportAuth *a = QTransportAuth::getInstance();
+    // ###### as soon as public API can be modified get rid of horrible casts
+    QIODevice *ad = a->passThroughByClient(reinterpret_cast<QWSClient*>(socket));
+    if (ad)
+        socket = ad;
+#endif
+
+    qws_write_uint(socket, type);
+
+    if (rawLen > MAX_COMMAND_SIZE) {
+        qWarning("qws_write_command: Message of size %d too big. "
+                 "Truncated to %d", rawLen, MAX_COMMAND_SIZE);
+        rawLen = MAX_COMMAND_SIZE;
+    }
+
+    qws_write_uint(socket, rawLen == -1 ? 0 : rawLen);
+
+    if (simpleData && simpleLen)
+        socket->write(simpleData, simpleLen);
+
+    if (rawLen && rawData)
+        socket->write(rawData, rawLen);
+}
+
+/*
+  command format: [type][rawLen][simpleData][rawData]
+  type is already read when entering this function
+*/
+
+bool qws_read_command(QIODevice *socket, char *&simpleData, int &simpleLen,
+                      char *&rawData, int &rawLen, int &bytesRead)
+{
+
+    // read rawLen
+    if (rawLen == -1) {
+        rawLen = qws_read_uint(socket);
+        if (rawLen == -1)
+            return false;
+    }
+
+    // read simpleData, assumes socket is capable of buffering all the data
+    if (simpleLen && !rawData) {
+        if (socket->bytesAvailable() < uint(simpleLen))
+            return false;
+        int tmp = socket->read(simpleData, simpleLen);
+        Q_ASSERT(tmp == simpleLen);
+        Q_UNUSED(tmp);
+    }
+
+    if (rawLen > MAX_COMMAND_SIZE) {
+        socket->close();
+        qWarning("qws_read_command: Won't read command of length %d, "
+                 "connection closed.", rawLen);
+        return false;
+    }
+
+    // read rawData
+    if (rawLen && !rawData) {
+        rawData = new char[rawLen];
+        bytesRead = 0;
+    }
+    if (bytesRead < rawLen && socket->bytesAvailable())
+        bytesRead += socket->read(rawData + bytesRead, rawLen - bytesRead);
+
+    return (bytesRead == rawLen);
+}
+#endif
+
+/*********************************************************************
+ *
+ * QWSCommand base class - only use derived classes from that
+ *
+ *********************************************************************/
+QWSProtocolItem::~QWSProtocolItem() {
+    if (deleteRaw)
+        delete []rawDataPtr;
+}
+
+#ifndef QT_NO_QWS_MULTIPROCESS
+void QWSProtocolItem::write(QIODevice *s) {
+#ifdef QWSCOMMAND_DEBUG
+    if (!qwsServer)
+        qDebug() << "QWSProtocolItem::write sending type " << static_cast<QWSCommand::Type>(type);
+    else
+        qDebug() << "QWSProtocolItem::write sending event " << (type < N_EVENTS ? eventNames[type] : "unknown");
+#endif
+    qws_write_command(s, type, simpleDataPtr, simpleLen, rawDataPtr, rawLen);
+}
+
+bool QWSProtocolItem::read(QIODevice *s) {
+#ifdef QWSCOMMAND_DEBUG
+    QLatin1String reread( (rawLen == -1) ? "" : "REREAD");
+    if (qwsServer)
+        qDebug() << "QWSProtocolItem::read reading type " << static_cast<QWSCommand::Type>(type) << reread;
+    else
+        qDebug() << "QWSProtocolItem::read reading event " << (type < N_EVENTS ? eventNames[type] : "unknown") << reread;
+    //qDebug("QWSProtocolItem::read reading event %s", type < N_EVENTS ? eventNames[type] : "unknown");
+#endif
+    bool b = qws_read_command(s, simpleDataPtr, simpleLen, rawDataPtr, rawLen, bytesRead);
+    if (b) {
+        setData(rawDataPtr, rawLen, false);
+        deleteRaw = true;
+    }
+#ifdef QWSCOMMAND_DEBUG
+    else
+    {
+        qDebug() << "error in reading command " << static_cast<QWSCommand::Type>(type);
+    }
+#endif
+    return b;
+}
+#endif // QT_NO_QWS_MULTIPROCESS
+
+void QWSProtocolItem::copyFrom(const QWSProtocolItem *item) {
+    if (this == item)
+        return;
+    simpleLen = item->simpleLen;
+    memcpy(simpleDataPtr, item->simpleDataPtr, simpleLen);
+    setData(item->rawDataPtr, item->rawLen);
+}
+
+void QWSProtocolItem::setData(const char *data, int len, bool allocateMem) {
+    if (deleteRaw)
+        delete [] rawDataPtr;
+    if (!data || len <= 0) {
+        rawDataPtr = 0;
+        rawLen = 0;
+        return;
+    }
+    if (allocateMem) {
+        rawDataPtr = new char[len];
+        memcpy(rawDataPtr, data, len);
+        deleteRaw = true;
+    } else {
+        rawDataPtr = const_cast<char *>(data);
+        deleteRaw = false;
+    }
+    rawLen = len;
+}
+
+QWSCommand *QWSCommand::factory(int type)
+{
+    QWSCommand *command = 0;
+    switch (type) {
+    case QWSCommand::Create:
+        command = new QWSCreateCommand;
+        break;
+    case QWSCommand::Shutdown:
+        command = new QWSCommand(type, 0, 0);
+        break;
+    case QWSCommand::Region:
+        command = new QWSRegionCommand;
+        break;
+    case QWSCommand::RegionMove:
+        command = new QWSRegionMoveCommand;
+        break;
+    case QWSCommand::RegionDestroy:
+        command = new QWSRegionDestroyCommand;
+        break;
+    case QWSCommand::AddProperty:
+        command = new QWSAddPropertyCommand;
+        break;
+    case QWSCommand::SetProperty:
+        command = new QWSSetPropertyCommand;
+        break;
+    case QWSCommand::RemoveProperty:
+        command = new QWSRemovePropertyCommand;
+        break;
+    case QWSCommand::GetProperty:
+        command = new QWSGetPropertyCommand;
+        break;
+    case QWSCommand::SetSelectionOwner:
+        command = new QWSSetSelectionOwnerCommand;
+        break;
+    case QWSCommand::RequestFocus:
+        command = new QWSRequestFocusCommand;
+        break;
+    case QWSCommand::ChangeAltitude:
+        command = new QWSChangeAltitudeCommand;
+        break;
+    case QWSCommand::SetOpacity:
+        command = new QWSSetOpacityCommand;
+        break;
+    case QWSCommand::DefineCursor:
+        command = new QWSDefineCursorCommand;
+        break;
+    case QWSCommand::SelectCursor:
+        command = new QWSSelectCursorCommand;
+        break;
+    case QWSCommand::GrabMouse:
+        command = new QWSGrabMouseCommand;
+        break;
+    case QWSCommand::GrabKeyboard:
+        command = new QWSGrabKeyboardCommand;
+        break;
+#ifndef QT_NO_SOUND
+    case QWSCommand::PlaySound:
+        command = new QWSPlaySoundCommand;
+        break;
+#endif
+#ifndef QT_NO_COP
+    case QWSCommand::QCopRegisterChannel:
+        command = new QWSQCopRegisterChannelCommand;
+        break;
+    case QWSCommand::QCopSend:
+        command = new QWSQCopSendCommand;
+        break;
+#endif
+    case QWSCommand::RegionName:
+        command = new QWSRegionNameCommand;
+        break;
+    case QWSCommand::Identify:
+        command = new QWSIdentifyCommand;
+        break;
+    case QWSCommand::RepaintRegion:
+        command = new QWSRepaintRegionCommand;
+        break;
+#ifndef QT_NO_QWS_INPUTMETHODS
+    case QWSCommand::IMUpdate:
+        command = new QWSIMUpdateCommand;
+        break;
+
+    case QWSCommand::IMMouse:
+        command = new QWSIMMouseCommand;
+        break;
+
+    case QWSCommand::IMResponse:
+        command = new QWSIMResponseCommand;
+        break;
+#endif
+    case QWSCommand::PositionCursor:
+        command = new QWSPositionCursorCommand;
+        break;
+#ifndef QT_NO_QWSEMBEDWIDGET
+    case QWSCommand::Embed:
+        command = new QWSEmbedCommand;
+        break;
+#endif
+    case QWSCommand::Font:
+        command = new QWSFontCommand;
+        break;
+    case QWSCommand::ScreenTransform:
+        command = new QWSScreenTransformCommand;
+        break;
+    default:
+        qWarning("QWSCommand::factory : Type error - got %08x!", type);
+    }
+    return command;
+}
+
+QT_END_NAMESPACE