diff options
Diffstat (limited to 'src/plugins/platforms/vnc')
-rw-r--r-- | src/plugins/platforms/vnc/main.cpp | 65 | ||||
-rw-r--r-- | src/plugins/platforms/vnc/qvnc.cpp | 680 | ||||
-rw-r--r-- | src/plugins/platforms/vnc/qvnc_p.h | 417 | ||||
-rw-r--r-- | src/plugins/platforms/vnc/qvncclient.cpp | 662 | ||||
-rw-r--r-- | src/plugins/platforms/vnc/qvncclient.h | 149 | ||||
-rw-r--r-- | src/plugins/platforms/vnc/qvncintegration.cpp | 148 | ||||
-rw-r--r-- | src/plugins/platforms/vnc/qvncintegration.h | 85 | ||||
-rw-r--r-- | src/plugins/platforms/vnc/qvncscreen.cpp | 187 | ||||
-rw-r--r-- | src/plugins/platforms/vnc/qvncscreen.h | 93 | ||||
-rw-r--r-- | src/plugins/platforms/vnc/vnc.json | 3 | ||||
-rw-r--r-- | src/plugins/platforms/vnc/vnc.pro | 25 |
11 files changed, 2514 insertions, 0 deletions
diff --git a/src/plugins/platforms/vnc/main.cpp b/src/plugins/platforms/vnc/main.cpp new file mode 100644 index 0000000000..6ee8bf1ec6 --- /dev/null +++ b/src/plugins/platforms/vnc/main.cpp @@ -0,0 +1,65 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtGui module 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 The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <qpa/qplatformintegrationplugin.h> +#include "qvncintegration.h" +#include "qvnc_p.h" + +QT_BEGIN_NAMESPACE + +class QVncIntegrationPlugin : public QPlatformIntegrationPlugin +{ + Q_OBJECT + Q_PLUGIN_METADATA(IID QPlatformIntegrationFactoryInterface_iid FILE "vnc.json") +public: + QPlatformIntegration *create(const QString&, const QStringList&) Q_DECL_OVERRIDE; +}; + +QPlatformIntegration* QVncIntegrationPlugin::create(const QString& system, const QStringList& paramList) +{ + if (!system.compare(QLatin1String("vnc"), Qt::CaseInsensitive)) + return new QVncIntegration(paramList); + + return 0; +} + +QT_END_NAMESPACE + +#include "main.moc" + diff --git a/src/plugins/platforms/vnc/qvnc.cpp b/src/plugins/platforms/vnc/qvnc.cpp new file mode 100644 index 0000000000..b3613cf18f --- /dev/null +++ b/src/plugins/platforms/vnc/qvnc.cpp @@ -0,0 +1,680 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtGui module 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 The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#include "qvnc_p.h" +#include "qvncscreen.h" +#include "qvncclient.h" +#include "QtNetwork/qtcpserver.h" +#include "QtNetwork/qtcpsocket.h" +#include <qthread.h> + +#include <QtGui/qguiapplication.h> +#include <QtGui/QWindow> + +#ifdef Q_OS_WIN +#include <Winsock2.h> +#else +#include <arpa/inet.h> +#endif + +#include <QtCore/QDebug> + +QT_BEGIN_NAMESPACE + +Q_LOGGING_CATEGORY(lcVnc, "qt.qpa.vnc"); + +QVncDirtyMap::QVncDirtyMap(QVncScreen *screen) + : screen(screen), bytesPerPixel(0), numDirty(0) +{ + bytesPerPixel = (screen->depth() + 7) / 8; + bufferWidth = screen->geometry().width(); + bufferHeight = screen->geometry().height(); + bufferStride = bufferWidth * bytesPerPixel; + buffer = new uchar[bufferHeight * bufferStride]; + + mapWidth = (bufferWidth + MAP_TILE_SIZE - 1) / MAP_TILE_SIZE; + mapHeight = (bufferHeight + MAP_TILE_SIZE - 1) / MAP_TILE_SIZE; + numTiles = mapWidth * mapHeight; + map = new uchar[numTiles]; +} + +QVncDirtyMap::~QVncDirtyMap() +{ + delete[] map; + delete[] buffer; +} + +void QVncDirtyMap::reset() +{ + memset(map, 1, numTiles); + memset(buffer, 0, bufferHeight * bufferStride); + numDirty = numTiles; +} + +inline bool QVncDirtyMap::dirty(int x, int y) const +{ + return map[y * mapWidth + x]; +} + +inline void QVncDirtyMap::setClean(int x, int y) +{ + map[y * mapWidth + x] = 0; + --numDirty; +} + +template <class T> +void QVncDirtyMapOptimized<T>::setDirty(int tileX, int tileY, bool force) +{ + static bool alwaysForce = qEnvironmentVariableIsSet("QT_VNC_NO_COMPAREBUFFER"); + if (alwaysForce) + force = true; + + bool changed = false; + + if (!force) { + const int lstep = bufferStride; + const int startX = tileX * MAP_TILE_SIZE; + const int startY = tileY * MAP_TILE_SIZE; + const uchar *scrn = screen->image()->constBits() + + startY * lstep + startX * bytesPerPixel; + uchar *old = buffer + startY * bufferStride + startX * sizeof(T); + + const int tileHeight = (startY + MAP_TILE_SIZE > bufferHeight ? + bufferHeight - startY : MAP_TILE_SIZE); + const int tileWidth = (startX + MAP_TILE_SIZE > bufferWidth ? + bufferWidth - startX : MAP_TILE_SIZE); + const bool doInlines = (tileWidth == MAP_TILE_SIZE); + + int y = tileHeight; + + if (doInlines) { // hw: memcmp/memcpy is inlined when using constants + while (y) { + if (memcmp(old, scrn, sizeof(T) * MAP_TILE_SIZE)) { + changed = true; + break; + } + scrn += lstep; + old += bufferStride; + --y; + } + + while (y) { + memcpy(old, scrn, sizeof(T) * MAP_TILE_SIZE); + scrn += lstep; + old += bufferStride; + --y; + } + } else { + while (y) { + if (memcmp(old, scrn, sizeof(T) * tileWidth)) { + changed = true; + break; + } + scrn += lstep; + old += bufferStride; + --y; + } + + while (y) { + memcpy(old, scrn, sizeof(T) * tileWidth); + scrn += lstep; + old += bufferStride; + --y; + } + } + } + + const int mapIndex = tileY * mapWidth + tileX; + if ((force || changed) && !map[mapIndex]) { + map[mapIndex] = 1; + ++numDirty; + } +} + +template class QVncDirtyMapOptimized<unsigned char>; +template class QVncDirtyMapOptimized<unsigned short>; +template class QVncDirtyMapOptimized<unsigned int>; + +static const struct { + int keysym; + int keycode; +} keyMap[] = { + { 0xff08, Qt::Key_Backspace }, + { 0xff09, Qt::Key_Tab }, + { 0xff0d, Qt::Key_Return }, + { 0xff1b, Qt::Key_Escape }, + { 0xff63, Qt::Key_Insert }, + { 0xffff, Qt::Key_Delete }, + { 0xff50, Qt::Key_Home }, + { 0xff57, Qt::Key_End }, + { 0xff55, Qt::Key_PageUp }, + { 0xff56, Qt::Key_PageDown }, + { 0xff51, Qt::Key_Left }, + { 0xff52, Qt::Key_Up }, + { 0xff53, Qt::Key_Right }, + { 0xff54, Qt::Key_Down }, + { 0xffbe, Qt::Key_F1 }, + { 0xffbf, Qt::Key_F2 }, + { 0xffc0, Qt::Key_F3 }, + { 0xffc1, Qt::Key_F4 }, + { 0xffc2, Qt::Key_F5 }, + { 0xffc3, Qt::Key_F6 }, + { 0xffc4, Qt::Key_F7 }, + { 0xffc5, Qt::Key_F8 }, + { 0xffc6, Qt::Key_F9 }, + { 0xffc7, Qt::Key_F10 }, + { 0xffc8, Qt::Key_F11 }, + { 0xffc9, Qt::Key_F12 }, + { 0xffe1, Qt::Key_Shift }, + { 0xffe2, Qt::Key_Shift }, + { 0xffe3, Qt::Key_Control }, + { 0xffe4, Qt::Key_Control }, + { 0xffe7, Qt::Key_Meta }, + { 0xffe8, Qt::Key_Meta }, + { 0xffe9, Qt::Key_Alt }, + { 0xffea, Qt::Key_Alt }, + + { 0xffb0, Qt::Key_0 }, + { 0xffb1, Qt::Key_1 }, + { 0xffb2, Qt::Key_2 }, + { 0xffb3, Qt::Key_3 }, + { 0xffb4, Qt::Key_4 }, + { 0xffb5, Qt::Key_5 }, + { 0xffb6, Qt::Key_6 }, + { 0xffb7, Qt::Key_7 }, + { 0xffb8, Qt::Key_8 }, + { 0xffb9, Qt::Key_9 }, + + { 0xff8d, Qt::Key_Return }, + { 0xffaa, Qt::Key_Asterisk }, + { 0xffab, Qt::Key_Plus }, + { 0xffad, Qt::Key_Minus }, + { 0xffae, Qt::Key_Period }, + { 0xffaf, Qt::Key_Slash }, + + { 0xff95, Qt::Key_Home }, + { 0xff96, Qt::Key_Left }, + { 0xff97, Qt::Key_Up }, + { 0xff98, Qt::Key_Right }, + { 0xff99, Qt::Key_Down }, + { 0xff9a, Qt::Key_PageUp }, + { 0xff9b, Qt::Key_PageDown }, + { 0xff9c, Qt::Key_End }, + { 0xff9e, Qt::Key_Insert }, + { 0xff9f, Qt::Key_Delete }, + + { 0, 0 } +}; + +void QRfbRect::read(QTcpSocket *s) +{ + quint16 buf[4]; + s->read((char*)buf, 8); + x = ntohs(buf[0]); + y = ntohs(buf[1]); + w = ntohs(buf[2]); + h = ntohs(buf[3]); +} + +void QRfbRect::write(QTcpSocket *s) const +{ + quint16 buf[4]; + buf[0] = htons(x); + buf[1] = htons(y); + buf[2] = htons(w); + buf[3] = htons(h); + s->write((char*)buf, 8); +} + +void QRfbPixelFormat::read(QTcpSocket *s) +{ + char buf[16]; + s->read(buf, 16); + bitsPerPixel = buf[0]; + depth = buf[1]; + bigEndian = buf[2]; + trueColor = buf[3]; + + quint16 a = ntohs(*(quint16 *)(buf + 4)); + redBits = 0; + while (a) { a >>= 1; redBits++; } + + a = ntohs(*(quint16 *)(buf + 6)); + greenBits = 0; + while (a) { a >>= 1; greenBits++; } + + a = ntohs(*(quint16 *)(buf + 8)); + blueBits = 0; + while (a) { a >>= 1; blueBits++; } + + redShift = buf[10]; + greenShift = buf[11]; + blueShift = buf[12]; +} + +void QRfbPixelFormat::write(QTcpSocket *s) +{ + char buf[16]; + buf[0] = bitsPerPixel; + buf[1] = depth; + buf[2] = bigEndian; + buf[3] = trueColor; + + quint16 a = 0; + for (int i = 0; i < redBits; i++) a = (a << 1) | 1; + *(quint16 *)(buf + 4) = htons(a); + + a = 0; + for (int i = 0; i < greenBits; i++) a = (a << 1) | 1; + *(quint16 *)(buf + 6) = htons(a); + + a = 0; + for (int i = 0; i < blueBits; i++) a = (a << 1) | 1; + *(quint16 *)(buf + 8) = htons(a); + + buf[10] = redShift; + buf[11] = greenShift; + buf[12] = blueShift; + s->write(buf, 16); +} + + +void QRfbServerInit::setName(const char *n) +{ + delete[] name; + name = new char [strlen(n) + 1]; + strcpy(name, n); +} + +void QRfbServerInit::read(QTcpSocket *s) +{ + s->read((char *)&width, 2); + width = ntohs(width); + s->read((char *)&height, 2); + height = ntohs(height); + format.read(s); + + quint32 len; + s->read((char *)&len, 4); + len = ntohl(len); + + name = new char [len + 1]; + s->read(name, len); + name[len] = '\0'; +} + +void QRfbServerInit::write(QTcpSocket *s) +{ + quint16 t = htons(width); + s->write((char *)&t, 2); + t = htons(height); + s->write((char *)&t, 2); + format.write(s); + quint32 len = strlen(name); + len = htonl(len); + s->write((char *)&len, 4); + s->write(name, strlen(name)); +} + +bool QRfbSetEncodings::read(QTcpSocket *s) +{ + if (s->bytesAvailable() < 3) + return false; + + char tmp; + s->read(&tmp, 1); // padding + s->read((char *)&count, 2); + count = ntohs(count); + + return true; +} + +bool QRfbFrameBufferUpdateRequest::read(QTcpSocket *s) +{ + if (s->bytesAvailable() < 9) + return false; + + s->read(&incremental, 1); + rect.read(s); + + return true; +} + +bool QRfbKeyEvent::read(QTcpSocket *s) +{ + if (s->bytesAvailable() < 7) + return false; + + s->read(&down, 1); + quint16 tmp; + s->read((char *)&tmp, 2); // padding + + quint32 key; + s->read((char *)&key, 4); + key = ntohl(key); + + unicode = 0; + keycode = 0; + int i = 0; + while (keyMap[i].keysym && !keycode) { + if (keyMap[i].keysym == (int)key) + keycode = keyMap[i].keycode; + i++; + } + + if (keycode >= ' ' && keycode <= '~') + unicode = keycode; + + if (!keycode) { + if (key <= 0xff) { + unicode = key; + if (key >= 'a' && key <= 'z') + keycode = Qt::Key_A + key - 'a'; + else if (key >= ' ' && key <= '~') + keycode = Qt::Key_Space + key - ' '; + } + } + + return true; +} + +bool QRfbPointerEvent::read(QTcpSocket *s) +{ + if (s->bytesAvailable() < 5) + return false; + + char buttonMask; + s->read(&buttonMask, 1); + buttons = Qt::NoButton; + if (buttonMask & 1) + buttons |= Qt::LeftButton; + if (buttonMask & 2) + buttons |= Qt::MidButton; + if (buttonMask & 4) + buttons |= Qt::RightButton; + + quint16 tmp; + s->read((char *)&tmp, 2); + x = ntohs(tmp); + s->read((char *)&tmp, 2); + y = ntohs(tmp); + + return true; +} + +bool QRfbClientCutText::read(QTcpSocket *s) +{ + if (s->bytesAvailable() < 7) + return false; + + char tmp[3]; + s->read(tmp, 3); // padding + s->read((char *)&length, 4); + length = ntohl(length); + + return true; +} + +void QRfbRawEncoder::write() +{ +// QVncDirtyMap *map = server->dirtyMap(); + QTcpSocket *socket = client->clientSocket(); + + const int bytesPerPixel = client->clientBytesPerPixel(); + + // create a region from the dirty rects and send the region's merged rects. + // ### use the tile map again + QRegion rgn = client->dirtyRegion(); + qCDebug(lcVnc) << "QRfbRawEncoder::write()" << rgn; +// if (map) { +// for (int y = 0; y < map->mapHeight; ++y) { +// for (int x = 0; x < map->mapWidth; ++x) { +// if (!map->dirty(x, y)) +// continue; +// rgn += QRect(x * MAP_TILE_SIZE, y * MAP_TILE_SIZE, +// MAP_TILE_SIZE, MAP_TILE_SIZE); +// map->setClean(x, y); +// } +// } + +// rgn &= QRect(0, 0, server->screen()->geometry().width(), +// server->screen()->geometry().height()); +// } + const QVector<QRect> rects = rgn.rects(); + + { + const char tmp[2] = { 0, 0 }; // msg type, padding + socket->write(tmp, sizeof(tmp)); + } + + { + const quint16 count = htons(rects.size()); + socket->write((char *)&count, sizeof(count)); + } + + if (rects.size() <= 0) + return; + + const QImage screenImage = client->server()->screenImage(); + + for (const QRect &tileRect: rects) { + const QRfbRect rect(tileRect.x(), tileRect.y(), + tileRect.width(), tileRect.height()); + rect.write(socket); + + const quint32 encoding = htonl(0); // raw encoding + socket->write((char *)&encoding, sizeof(encoding)); + + int linestep = screenImage.bytesPerLine(); + const uchar *screendata = screenImage.scanLine(rect.y) + + rect.x * screenImage.depth() / 8; + + if (client->doPixelConversion()) { + const int bufferSize = rect.w * rect.h * bytesPerPixel; + if (bufferSize > buffer.size()) + buffer.resize(bufferSize); + + // convert pixels + char *b = buffer.data(); + const int bstep = rect.w * bytesPerPixel; + for (int i = 0; i < rect.h; ++i) { + client->convertPixels(b, (const char*)screendata, rect.w); + screendata += linestep; + b += bstep; + } + socket->write(buffer.constData(), bufferSize); + } else { + for (int i = 0; i < rect.h; ++i) { + socket->write((const char*)screendata, rect.w * bytesPerPixel); + screendata += linestep; + } + } + if (socket->state() == QAbstractSocket::UnconnectedState) + break; + } + socket->flush(); +} + +QVncClientCursor::QVncClientCursor() +{ + QWindow *w = QGuiApplication::focusWindow(); + QCursor c = w ? w->cursor() : QCursor(Qt::ArrowCursor); + changeCursor(&c, 0); +} + +QVncClientCursor::~QVncClientCursor() +{ +} + +void QVncClientCursor::write(QVncClient *client) const +{ + QTcpSocket *socket = client->clientSocket(); + + // FramebufferUpdate header + { + const quint16 tmp[6] = { htons(0), + htons(1), + htons(hotspot.x()), htons(hotspot.y()), + htons(cursor.width()), + htons(cursor.height()) }; + socket->write((char*)tmp, sizeof(tmp)); + + const quint32 encoding = htonl(-239); + socket->write((char*)(&encoding), sizeof(encoding)); + } + + if (cursor.isNull()) + return; + + // write pixels + Q_ASSERT(cursor.hasAlphaChannel()); + const QImage img = cursor.convertToFormat(client->server()->screen()->format()); + const int n = client->clientBytesPerPixel() * img.width(); + char *buffer = new char[n]; + for (int i = 0; i < img.height(); ++i) { + client->convertPixels(buffer, (const char*)img.scanLine(i), img.width()); + socket->write(buffer, n); + } + delete[] buffer; + + // write mask + const QImage bitmap = cursor.createAlphaMask().convertToFormat(QImage::Format_Mono); + Q_ASSERT(bitmap.depth() == 1); + Q_ASSERT(bitmap.size() == img.size()); + const int width = (bitmap.width() + 7) / 8; + for (int i = 0; i < bitmap.height(); ++i) + socket->write((const char*)bitmap.scanLine(i), width); +} + +#ifndef QT_NO_CURSOR +void QVncClientCursor::changeCursor(QCursor *widgetCursor, QWindow *window) +{ + Q_UNUSED(window); + const Qt::CursorShape shape = widgetCursor ? widgetCursor->shape() : Qt::ArrowCursor; + + if (shape == Qt::BitmapCursor) { + // application supplied cursor + hotspot = widgetCursor->hotSpot(); + cursor = widgetCursor->pixmap().toImage(); + } else { + // system cursor + QPlatformCursorImage platformImage(0, 0, 0, 0, 0, 0); + platformImage.set(shape); + cursor = *platformImage.image(); + hotspot = platformImage.hotspot(); + } + for (auto client : clients) + client->setDirtyCursor(); +} + +void QVncClientCursor::addClient(QVncClient *client) +{ + if (!clients.contains(client)) + clients.append(client); +} + +uint QVncClientCursor::removeClient(QVncClient *client) +{ + clients.removeOne(client); + return clients.count(); +} +#endif + +QVncServer::QVncServer(QVncScreen *screen, quint16 port) + : qvnc_screen(screen) + , m_port(port) +{ + QMetaObject::invokeMethod(this, "init", Qt::QueuedConnection); +} + +void QVncServer::init() +{ + serverSocket = new QTcpServer(this); + if (!serverSocket->listen(QHostAddress::Any, m_port)) + qWarning() << "QVncServer could not connect:" << serverSocket->errorString(); + else + qWarning("QVncServer created on port %d", m_port); + + connect(serverSocket, SIGNAL(newConnection()), this, SLOT(newConnection())); + +} + +QVncServer::~QVncServer() +{ + for (auto client : clients) { + delete client; + } +} + +void QVncServer::setDirty() +{ + for (auto client : clients) { + client->setDirty(qvnc_screen->dirtyRegion); + } + qvnc_screen->clearDirty(); +} + + +void QVncServer::newConnection() +{ + auto clientSocket = serverSocket->nextPendingConnection(); + clients.append(new QVncClient(clientSocket, this)); + + dirtyMap()->reset(); + + qCDebug(lcVnc) << "new Connection from: " << clientSocket->localAddress(); + + qvnc_screen->setPowerState(QPlatformScreen::PowerStateOn); +} + +void QVncServer::discardClient(QVncClient *client) +{ + clients.removeOne(client); + client->deleteLater(); + if (clients.isEmpty()) { + qvnc_screen->disableClientCursor(client); + qvnc_screen->setPowerState(QPlatformScreen::PowerStateOff); + } +} + +inline QImage QVncServer::screenImage() const +{ + return *qvnc_screen->image(); +} + +QT_END_NAMESPACE diff --git a/src/plugins/platforms/vnc/qvnc_p.h b/src/plugins/platforms/vnc/qvnc_p.h new file mode 100644 index 0000000000..1c44cd1569 --- /dev/null +++ b/src/plugins/platforms/vnc/qvnc_p.h @@ -0,0 +1,417 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtGui module 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 The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QVNC_P_H +#define QVNC_P_H + +#include "qvncscreen.h" + +#include <QtCore/QLoggingCategory> +#include <QtCore/qbytearray.h> +#include <QtCore/qvarlengtharray.h> +#include <qpa/qplatformcursor.h> + +QT_BEGIN_NAMESPACE + +Q_DECLARE_LOGGING_CATEGORY(lcVnc) + +class QTcpSocket; +class QTcpServer; + +class QVncScreen; +class QVncServer; +class QVncClientCursor; +class QVncClient; + +// This fits with the VNC hextile messages +#define MAP_TILE_SIZE 16 + +class QVncDirtyMap +{ +public: + QVncDirtyMap(QVncScreen *screen); + virtual ~QVncDirtyMap(); + + void reset(); + bool dirty(int x, int y) const; + virtual void setDirty(int x, int y, bool force = false) = 0; + void setClean(int x, int y); + + QVncScreen *screen; + int bytesPerPixel; + int numDirty; + int mapWidth; + int mapHeight; + +protected: + uchar *map; + uchar *buffer; + int bufferWidth; + int bufferHeight; + int bufferStride; + int numTiles; +}; + +template <class T> +class QVncDirtyMapOptimized : public QVncDirtyMap +{ +public: + QVncDirtyMapOptimized(QVncScreen *screen) : QVncDirtyMap(screen) {} + ~QVncDirtyMapOptimized() {} + + void setDirty(int x, int y, bool force = false); +}; + + +class QRfbRect +{ +public: + QRfbRect() {} + QRfbRect(quint16 _x, quint16 _y, quint16 _w, quint16 _h) { + x = _x; y = _y; w = _w; h = _h; + } + + void read(QTcpSocket *s); + void write(QTcpSocket *s) const; + + quint16 x; + quint16 y; + quint16 w; + quint16 h; +}; + +class QRfbPixelFormat +{ +public: + static int size() { return 16; } + + void read(QTcpSocket *s); + void write(QTcpSocket *s); + + int bitsPerPixel; + int depth; + bool bigEndian; + bool trueColor; + int redBits; + int greenBits; + int blueBits; + int redShift; + int greenShift; + int blueShift; +}; + +class QRfbServerInit +{ +public: + QRfbServerInit() { name = 0; } + ~QRfbServerInit() { delete[] name; } + + int size() const { return QRfbPixelFormat::size() + 8 + strlen(name); } + void setName(const char *n); + + void read(QTcpSocket *s); + void write(QTcpSocket *s); + + quint16 width; + quint16 height; + QRfbPixelFormat format; + char *name; +}; + +class QRfbSetEncodings +{ +public: + bool read(QTcpSocket *s); + + quint16 count; +}; + +class QRfbFrameBufferUpdateRequest +{ +public: + bool read(QTcpSocket *s); + + char incremental; + QRfbRect rect; +}; + +class QRfbKeyEvent +{ +public: + bool read(QTcpSocket *s); + + char down; + int keycode; + int unicode; +}; + +class QRfbPointerEvent +{ +public: + bool read(QTcpSocket *s); + + Qt::MouseButtons buttons; + quint16 x; + quint16 y; +}; + +class QRfbClientCutText +{ +public: + bool read(QTcpSocket *s); + + quint32 length; +}; + +class QRfbEncoder +{ +public: + QRfbEncoder(QVncClient *s) : client(s) {} + virtual ~QRfbEncoder() {} + + virtual void write() = 0; + +protected: + QVncClient *client; +}; + +class QRfbRawEncoder : public QRfbEncoder +{ +public: + QRfbRawEncoder(QVncClient *s) : QRfbEncoder(s) {} + + void write(); + +private: + QByteArray buffer; +}; + +template <class SRC> class QRfbHextileEncoder; + +template <class SRC> +class QRfbSingleColorHextile +{ +public: + QRfbSingleColorHextile(QRfbHextileEncoder<SRC> *e) : encoder(e) {} + bool read(const uchar *data, int width, int height, int stride); + void write(QTcpSocket *socket) const; + +private: + QRfbHextileEncoder<SRC> *encoder; +}; + +template <class SRC> +class QRfbDualColorHextile +{ +public: + QRfbDualColorHextile(QRfbHextileEncoder<SRC> *e) : encoder(e) {} + bool read(const uchar *data, int width, int height, int stride); + void write(QTcpSocket *socket) const; + +private: + struct Rect { + quint8 xy; + quint8 wh; + } Q_PACKED rects[8 * 16]; + + quint8 numRects; + QRfbHextileEncoder<SRC> *encoder; + +private: + inline int lastx() const { return rectx(numRects); } + inline int lasty() const { return recty(numRects); } + inline int rectx(int r) const { return rects[r].xy >> 4; } + inline int recty(int r) const { return rects[r].xy & 0x0f; } + inline int width(int r) const { return (rects[r].wh >> 4) + 1; } + inline int height(int r) const { return (rects[r].wh & 0x0f) + 1; } + + inline void setX(int r, int x) { + rects[r].xy = (x << 4) | (rects[r].xy & 0x0f); + } + inline void setY(int r, int y) { + rects[r].xy = (rects[r].xy & 0xf0) | y; + } + inline void setWidth(int r, int width) { + rects[r].wh = ((width - 1) << 4) | (rects[r].wh & 0x0f); + } + inline void setHeight(int r, int height) { + rects[r].wh = (rects[r].wh & 0xf0) | (height - 1); + } + + inline void setWidth(int width) { setWidth(numRects, width); } + inline void setHeight(int height) { setHeight(numRects, height); } + inline void setX(int x) { setX(numRects, x); } + inline void setY(int y) { setY(numRects, y); } + void next(); +}; + +template <class SRC> +class QRfbMultiColorHextile +{ +public: + QRfbMultiColorHextile(QRfbHextileEncoder<SRC> *e) : encoder(e) {} + bool read(const uchar *data, int width, int height, int stride); + void write(QTcpSocket *socket) const; + +private: + inline quint8* rect(int r) { + return rects.data() + r * (bpp + 2); + } + inline const quint8* rect(int r) const { + return rects.constData() + r * (bpp + 2); + } + inline void setX(int r, int x) { + quint8 *ptr = rect(r) + bpp; + *ptr = (x << 4) | (*ptr & 0x0f); + } + inline void setY(int r, int y) { + quint8 *ptr = rect(r) + bpp; + *ptr = (*ptr & 0xf0) | y; + } + void setColor(SRC color); + inline int rectx(int r) const { + const quint8 *ptr = rect(r) + bpp; + return *ptr >> 4; + } + inline int recty(int r) const { + const quint8 *ptr = rect(r) + bpp; + return *ptr & 0x0f; + } + inline void setWidth(int r, int width) { + quint8 *ptr = rect(r) + bpp + 1; + *ptr = ((width - 1) << 4) | (*ptr & 0x0f); + } + inline void setHeight(int r, int height) { + quint8 *ptr = rect(r) + bpp + 1; + *ptr = (*ptr & 0xf0) | (height - 1); + } + + bool beginRect(); + void endRect(); + + static const int maxRectsSize = 16 * 16; + QVarLengthArray<quint8, maxRectsSize> rects; + + quint8 bpp; + quint8 numRects; + QRfbHextileEncoder<SRC> *encoder; +}; + +template <class SRC> +class QRfbHextileEncoder : public QRfbEncoder +{ +public: + QRfbHextileEncoder(QVncServer *s); + void write(); + +private: + enum SubEncoding { + Raw = 1, + BackgroundSpecified = 2, + ForegroundSpecified = 4, + AnySubrects = 8, + SubrectsColoured = 16 + }; + + QByteArray buffer; + QRfbSingleColorHextile<SRC> singleColorHextile; + QRfbDualColorHextile<SRC> dualColorHextile; + QRfbMultiColorHextile<SRC> multiColorHextile; + + SRC bg; + SRC fg; + bool newBg; + bool newFg; + + friend class QRfbSingleColorHextile<SRC>; + friend class QRfbDualColorHextile<SRC>; + friend class QRfbMultiColorHextile<SRC>; +}; + +class QVncClientCursor : public QPlatformCursor +{ +public: + QVncClientCursor(); + ~QVncClientCursor(); + + void write(QVncClient *client) const; + + void changeCursor(QCursor *widgetCursor, QWindow *window); + + void addClient(QVncClient *client); + uint removeClient(QVncClient *client); + + QImage cursor; + QPoint hotspot; + QVector<QVncClient *> clients; +}; + + +class QVncServer : public QObject +{ + Q_OBJECT +public: + QVncServer(QVncScreen *screen, quint16 port = 5900); + ~QVncServer(); + + enum ServerMsg { FramebufferUpdate = 0, + SetColourMapEntries = 1 }; + + void setDirty(); + + + inline QVncScreen* screen() const { return qvnc_screen; } + inline QVncDirtyMap* dirtyMap() const { return qvnc_screen->dirty; } + QImage screenImage() const; + void discardClient(QVncClient *client); + +private slots: + void newConnection(); + void init(); + +private: + QTcpServer *serverSocket; + QVector<QVncClient*> clients; + QVncScreen *qvnc_screen; + quint16 m_port; +}; + +QT_END_NAMESPACE + +#endif diff --git a/src/plugins/platforms/vnc/qvncclient.cpp b/src/plugins/platforms/vnc/qvncclient.cpp new file mode 100644 index 0000000000..dae3e83f37 --- /dev/null +++ b/src/plugins/platforms/vnc/qvncclient.cpp @@ -0,0 +1,662 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtGui module 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 The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qvncclient.h" +#include "qvnc_p.h" + +#include <QtNetwork/QTcpSocket> +#include <QtCore/QCoreApplication> + +#include <qpa/qwindowsysteminterface.h> +#include <QtGui/qguiapplication.h> + +#ifdef Q_OS_WIN +#include <Winsock2.h> +#else +#include <arpa/inet.h> +#endif + +QT_BEGIN_NAMESPACE + +QVncClient::QVncClient(QTcpSocket *clientSocket, QVncServer *server) + : QObject(server) + , m_server(server) + , m_clientSocket(clientSocket) + , m_encoder(nullptr) + , m_msgType(0) + , m_handleMsg(false) + , m_encodingsPending(0) + , m_cutTextPending(0) + , m_supportHextile(false) + , m_wantUpdate(false) + , m_keymod(0) + , m_dirtyCursor(false) + , m_updatePending(false) + , m_protocolVersion(V3_3) +{ + connect(m_clientSocket,SIGNAL(readyRead()),this,SLOT(readClient())); + connect(m_clientSocket,SIGNAL(disconnected()),this,SLOT(discardClient())); + + // send protocol version + const char *proto = "RFB 003.003\n"; + m_clientSocket->write(proto, 12); + m_state = Protocol; +} + +QVncClient::~QVncClient() +{ + delete m_encoder; +} + +QTcpSocket *QVncClient::clientSocket() const +{ + return m_clientSocket; +} + +void QVncClient::setDirty(const QRegion ®ion) +{ + m_dirtyRegion += region; + if (m_state == Connected && + ((m_server->dirtyMap()->numDirty > 0) || m_dirtyCursor)) { + scheduleUpdate(); + } +} + +void QVncClient::convertPixels(char *dst, const char *src, int count) const +{ + const int screendepth = m_server->screen()->depth(); + + // cutoffs +#if Q_BYTE_ORDER == Q_BIG_ENDIAN + if (!m_swapBytes) +#endif + if (m_sameEndian) { + if (screendepth == m_pixelFormat.bitsPerPixel) { // memcpy cutoffs + + switch (screendepth) { + case 32: + memcpy(dst, src, count * sizeof(quint32)); + return; + case 16: + if (m_pixelFormat.redBits == 5 + && m_pixelFormat.greenBits == 6 + && m_pixelFormat.blueBits == 5) + { + memcpy(dst, src, count * sizeof(quint16)); + return; + } + } + } + } + + const int bytesPerPixel = (m_pixelFormat.bitsPerPixel + 7) / 8; + + for (int i = 0; i < count; ++i) { + int r, g, b; + + switch (screendepth) { + case 8: { + QRgb rgb = m_server->screen()->image()->colorTable()[int(*src)]; + r = qRed(rgb); + g = qGreen(rgb); + b = qBlue(rgb); + src++; + break; + } + case 16: { + quint16 p = *reinterpret_cast<const quint16*>(src); +#if Q_BYTE_ORDER == Q_BIG_ENDIAN + if (swapBytes) + p = ((p & 0xff) << 8) | ((p & 0xff00) >> 8); +#endif + r = (p >> 11) & 0x1f; + g = (p >> 5) & 0x3f; + b = p & 0x1f; + r <<= 3; + g <<= 2; + b <<= 3; + src += sizeof(quint16); + break; + } + case 32: { + quint32 p = *reinterpret_cast<const quint32*>(src); + r = (p >> 16) & 0xff; + g = (p >> 8) & 0xff; + b = p & 0xff; + src += sizeof(quint32); + break; + } + default: { + r = g = b = 0; + qWarning("QVNCServer: don't support %dbpp display", screendepth); + return; + } + } + +#if Q_BYTE_ORDER == Q_BIG_ENDIAN + if (m_swapBytes) + qSwap(r, b); +#endif + + r >>= (8 - m_pixelFormat.redBits); + g >>= (8 - m_pixelFormat.greenBits); + b >>= (8 - m_pixelFormat.blueBits); + + int pixel = (r << m_pixelFormat.redShift) | + (g << m_pixelFormat.greenShift) | + (b << m_pixelFormat.blueShift); + + if (m_sameEndian || m_pixelFormat.bitsPerPixel == 8) { + memcpy(dst, &pixel, bytesPerPixel); + dst += bytesPerPixel; + continue; + } + + + if (QSysInfo::ByteOrder == QSysInfo::BigEndian) { + switch (m_pixelFormat.bitsPerPixel) { + case 16: + pixel = (((pixel & 0x0000ff00) << 8) | + ((pixel & 0x000000ff) << 24)); + break; + case 32: + pixel = (((pixel & 0xff000000) >> 24) | + ((pixel & 0x00ff0000) >> 8) | + ((pixel & 0x0000ff00) << 8) | + ((pixel & 0x000000ff) << 24)); + break; + default: + qWarning("Cannot handle %d bpp client", m_pixelFormat.bitsPerPixel); + } + } else { // QSysInfo::ByteOrder == QSysInfo::LittleEndian + switch (m_pixelFormat.bitsPerPixel) { + case 16: + pixel = (((pixel & 0xff000000) >> 8) | + ((pixel & 0x00ff0000) << 8)); + break; + case 32: + pixel = (((pixel & 0xff000000) >> 24) | + ((pixel & 0x00ff0000) >> 8) | + ((pixel & 0x0000ff00) << 8) | + ((pixel & 0x000000ff) << 24)); + break; + default: + qWarning("Cannot handle %d bpp client", + m_pixelFormat.bitsPerPixel); + break; + } + } + memcpy(dst, &pixel, bytesPerPixel); + dst += bytesPerPixel; + } +} + +void QVncClient::readClient() +{ + qCDebug(lcVnc) << "readClient" << m_state; + switch (m_state) { + case Disconnected: + + break; + case Protocol: + if (m_clientSocket->bytesAvailable() >= 12) { + char proto[13]; + m_clientSocket->read(proto, 12); + proto[12] = '\0'; + qCDebug(lcVnc, "Client protocol version %s", proto); + if (!strcmp(proto, "RFB 003.008\n")) { + m_protocolVersion = V3_8; + } else if (!strcmp(proto, "RFB 003.007\n")) { + m_protocolVersion = V3_7; + } else { + m_protocolVersion = V3_3; + } + + if (m_protocolVersion == V3_3) { + // No authentication + quint32 auth = htonl(1); + m_clientSocket->write((char *) &auth, sizeof(auth)); + m_state = Init; + } + } + break; + case Authentication: + + break; + case Init: + if (m_clientSocket->bytesAvailable() >= 1) { + quint8 shared; + m_clientSocket->read((char *) &shared, 1); + + // Server Init msg + QRfbServerInit sim; + QRfbPixelFormat &format = sim.format; + switch (m_server->screen()->depth()) { + case 32: + format.bitsPerPixel = 32; + format.depth = 32; + format.bigEndian = 0; + format.trueColor = true; + format.redBits = 8; + format.greenBits = 8; + format.blueBits = 8; + format.redShift = 16; + format.greenShift = 8; + format.blueShift = 0; + break; + + case 24: + format.bitsPerPixel = 24; + format.depth = 24; + format.bigEndian = 0; + format.trueColor = true; + format.redBits = 8; + format.greenBits = 8; + format.blueBits = 8; + format.redShift = 16; + format.greenShift = 8; + format.blueShift = 0; + break; + + case 18: + format.bitsPerPixel = 24; + format.depth = 18; + format.bigEndian = 0; + format.trueColor = true; + format.redBits = 6; + format.greenBits = 6; + format.blueBits = 6; + format.redShift = 12; + format.greenShift = 6; + format.blueShift = 0; + break; + + case 16: + format.bitsPerPixel = 16; + format.depth = 16; + format.bigEndian = 0; + format.trueColor = true; + format.redBits = 5; + format.greenBits = 6; + format.blueBits = 5; + format.redShift = 11; + format.greenShift = 5; + format.blueShift = 0; + break; + + case 15: + format.bitsPerPixel = 16; + format.depth = 15; + format.bigEndian = 0; + format.trueColor = true; + format.redBits = 5; + format.greenBits = 5; + format.blueBits = 5; + format.redShift = 10; + format.greenShift = 5; + format.blueShift = 0; + break; + + case 12: + format.bitsPerPixel = 16; + format.depth = 12; + format.bigEndian = 0; + format.trueColor = true; + format.redBits = 4; + format.greenBits = 4; + format.blueBits = 4; + format.redShift = 8; + format.greenShift = 4; + format.blueShift = 0; + break; + + case 8: + case 4: + format.bitsPerPixel = 8; + format.depth = 8; + format.bigEndian = 0; + format.trueColor = false; + format.redBits = 0; + format.greenBits = 0; + format.blueBits = 0; + format.redShift = 0; + format.greenShift = 0; + format.blueShift = 0; + break; + + default: + qWarning("QVNC cannot drive depth %d", m_server->screen()->depth()); + discardClient(); + return; + } + sim.width = m_server->screen()->geometry().width(); + sim.height = m_server->screen()->geometry().height(); + sim.setName("Qt for Embedded Linux VNC Server"); + sim.write(m_clientSocket); + m_state = Connected; + } + break; + + case Connected: + do { + if (!m_handleMsg) { + m_clientSocket->read((char *)&m_msgType, 1); + m_handleMsg = true; + } + if (m_handleMsg) { + switch (m_msgType ) { + case SetPixelFormat: + setPixelFormat(); + break; + case FixColourMapEntries: + qWarning("Not supported: FixColourMapEntries"); + m_handleMsg = false; + break; + case SetEncodings: + setEncodings(); + break; + case FramebufferUpdateRequest: + frameBufferUpdateRequest(); + break; + case KeyEvent: + keyEvent(); + break; + case PointerEvent: + pointerEvent(); + break; + case ClientCutText: + clientCutText(); + break; + default: + qWarning("Unknown message type: %d", (int)m_msgType); + m_handleMsg = false; + } + } + } while (!m_handleMsg && m_clientSocket->bytesAvailable()); + break; + default: + break; + } +} + +void QVncClient::discardClient() +{ + m_state = Disconnected; + m_server->discardClient(this); +} + +void QVncClient::checkUpdate() +{ + if (!m_wantUpdate) + return; + + if (m_dirtyCursor) { + m_server->screen()->clientCursor->write(this); + m_dirtyCursor = false; + m_wantUpdate = false; + return; + } + + if (!m_dirtyRegion.isEmpty()) { + if (m_encoder) + m_encoder->write(); + m_wantUpdate = false; + m_dirtyRegion = QRegion(); + } +} + +void QVncClient::scheduleUpdate() +{ + if (!m_updatePending) { + m_updatePending = true; + QCoreApplication::postEvent(this, new QEvent(QEvent::UpdateRequest)); + } +} + +bool QVncClient::event(QEvent *event) +{ + if (event->type() == QEvent::UpdateRequest) { + m_updatePending = false; + checkUpdate(); + return true; + } + return QObject::event(event); +} + +void QVncClient::setPixelFormat() +{ + if (m_clientSocket->bytesAvailable() >= 19) { + char buf[3]; + m_clientSocket->read(buf, 3); // just padding + m_pixelFormat.read(m_clientSocket); + qCDebug(lcVnc, "Want format: %d %d %d %d %d %d %d %d %d %d", + int(m_pixelFormat.bitsPerPixel), + int(m_pixelFormat.depth), + int(m_pixelFormat.bigEndian), + int(m_pixelFormat.trueColor), + int(m_pixelFormat.redBits), + int(m_pixelFormat.greenBits), + int(m_pixelFormat.blueBits), + int(m_pixelFormat.redShift), + int(m_pixelFormat.greenShift), + int(m_pixelFormat.blueShift)); + if (!m_pixelFormat.trueColor) { + qWarning("Can only handle true color clients"); + discardClient(); + } + m_handleMsg = false; + m_sameEndian = (QSysInfo::ByteOrder == QSysInfo::BigEndian) == !!m_pixelFormat.bigEndian; + m_needConversion = pixelConversionNeeded(); +#if Q_BYTE_ORDER == Q_BIG_ENDIAN + m_swapBytes = qvnc_screen->swapBytes(); +#endif + } +} + +void QVncClient::setEncodings() +{ + QRfbSetEncodings enc; + + if (!m_encodingsPending && enc.read(m_clientSocket)) { + m_encodingsPending = enc.count; + if (!m_encodingsPending) + m_handleMsg = false; + } + + if (m_encoder) { + delete m_encoder; + m_encoder = nullptr; + } + + enum Encodings { + Raw = 0, + CopyRect = 1, + RRE = 2, + CoRRE = 4, + Hextile = 5, + ZRLE = 16, + Cursor = -239, + DesktopSize = -223 + }; + + if (m_encodingsPending && (unsigned)m_clientSocket->bytesAvailable() >= + m_encodingsPending * sizeof(quint32)) { + for (int i = 0; i < m_encodingsPending; ++i) { + qint32 enc; + m_clientSocket->read((char *)&enc, sizeof(qint32)); + enc = ntohl(enc); + qCDebug(lcVnc, "QVncServer::setEncodings: %d", enc); + switch (enc) { + case Raw: + if (!m_encoder) { + m_encoder = new QRfbRawEncoder(this); + qCDebug(lcVnc, "QVncServer::setEncodings: using raw"); + } + break; + case CopyRect: + m_supportCopyRect = true; + break; + case RRE: + m_supportRRE = true; + break; + case CoRRE: + m_supportCoRRE = true; + break; + case Hextile: + m_supportHextile = true; + if (m_encoder) + break; + break; + case ZRLE: + m_supportZRLE = true; + break; + case Cursor: + m_supportCursor = true; + m_server->screen()->enableClientCursor(this); + break; + case DesktopSize: + m_supportDesktopSize = true; + break; + default: + break; + } + } + m_handleMsg = false; + m_encodingsPending = 0; + } + + if (!m_encoder) { + m_encoder = new QRfbRawEncoder(this); + qCDebug(lcVnc, "QVncServer::setEncodings: fallback using raw"); + } +} + +void QVncClient::frameBufferUpdateRequest() +{ + qCDebug(lcVnc) << "FramebufferUpdateRequest"; + QRfbFrameBufferUpdateRequest ev; + + if (ev.read(m_clientSocket)) { + if (!ev.incremental) { + QRect r(ev.rect.x, ev.rect.y, ev.rect.w, ev.rect.h); + r.translate(m_server->screen()->geometry().topLeft()); + setDirty(r); + } + m_wantUpdate = true; + checkUpdate(); + m_handleMsg = false; + } +} + +void QVncClient::pointerEvent() +{ + QRfbPointerEvent ev; + if (ev.read(m_clientSocket)) { + const QPoint pos = m_server->screen()->geometry().topLeft() + QPoint(ev.x, ev.y); + QWindowSystemInterface::handleMouseEvent(0, pos, pos, ev.buttons, QGuiApplication::keyboardModifiers()); + m_handleMsg = false; + } +} + +void QVncClient::keyEvent() +{ + QRfbKeyEvent ev; + + if (ev.read(m_clientSocket)) { + if (ev.keycode == Qt::Key_Shift) + m_keymod = ev.down ? m_keymod | Qt::ShiftModifier : + m_keymod & ~Qt::ShiftModifier; + else if (ev.keycode == Qt::Key_Control) + m_keymod = ev.down ? m_keymod | Qt::ControlModifier : + m_keymod & ~Qt::ControlModifier; + else if (ev.keycode == Qt::Key_Alt) + m_keymod = ev.down ? m_keymod | Qt::AltModifier : + m_keymod & ~Qt::AltModifier; + if (ev.unicode || ev.keycode) + QWindowSystemInterface::handleKeyEvent(0, ev.down ? QEvent::KeyPress : QEvent::KeyRelease, ev.keycode, m_keymod, QString(ev.unicode)); + m_handleMsg = false; + } +} + +void QVncClient::clientCutText() +{ + QRfbClientCutText ev; + + if (m_cutTextPending == 0 && ev.read(m_clientSocket)) { + m_cutTextPending = ev.length; + if (!m_cutTextPending) + m_handleMsg = false; + } + + if (m_cutTextPending && m_clientSocket->bytesAvailable() >= m_cutTextPending) { + char *text = new char [m_cutTextPending+1]; + m_clientSocket->read(text, m_cutTextPending); + delete [] text; + m_cutTextPending = 0; + m_handleMsg = false; + } +} + +bool QVncClient::pixelConversionNeeded() const +{ + if (!m_sameEndian) + return true; + +#if Q_BYTE_ORDER == Q_BIG_ENDIAN + if (qvnc_screen->swapBytes()) + return true; +#endif + + const int screendepth = m_server->screen()->depth(); + if (screendepth != m_pixelFormat.bitsPerPixel) + return true; + + switch (screendepth) { + case 32: + case 24: + return false; + case 16: + return (m_pixelFormat.redBits == 5 + && m_pixelFormat.greenBits == 6 + && m_pixelFormat.blueBits == 5); + } + return true; +} + +QT_END_NAMESPACE diff --git a/src/plugins/platforms/vnc/qvncclient.h b/src/plugins/platforms/vnc/qvncclient.h new file mode 100644 index 0000000000..a7a6b6b361 --- /dev/null +++ b/src/plugins/platforms/vnc/qvncclient.h @@ -0,0 +1,149 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtGui module 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 The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QVNCCLIENT_H +#define QVNCCLIENT_H + +#include <QObject> + +#include "qvnc_p.h" + +QT_BEGIN_NAMESPACE + +class QTcpSocket; +class QVncServer; + +class QVncClient : public QObject +{ + Q_OBJECT +public: + enum ClientMsg { + SetPixelFormat = 0, + FixColourMapEntries = 1, + SetEncodings = 2, + FramebufferUpdateRequest = 3, + KeyEvent = 4, + PointerEvent = 5, + ClientCutText = 6 + }; + + explicit QVncClient(QTcpSocket *clientSocket, QVncServer *server); + ~QVncClient(); + QTcpSocket *clientSocket() const; + QVncServer *server() const { return m_server; } + + void setDirty(const QRegion ®ion); + void setDirtyCursor() { m_dirtyCursor = true; scheduleUpdate(); } + QRegion dirtyRegion() const { return m_dirtyRegion; } + inline bool isConnected() const { return m_state == Connected; } + + inline int clientBytesPerPixel() const { + return m_pixelFormat.bitsPerPixel / 8; + } + + void convertPixels(char *dst, const char *src, int count) const; + inline bool doPixelConversion() const { return m_needConversion; } + +signals: + +private slots: + void readClient(); + void discardClient(); + void checkUpdate(); + void scheduleUpdate(); + +protected: + bool event(QEvent *event) override; + +private: + enum ClientState { + Disconnected, + Protocol, + Authentication, + Init, + Connected + }; + enum ProtocolVersion { + V3_3, + V3_7, + V3_8 + }; + + void setPixelFormat(); + void setEncodings(); + void frameBufferUpdateRequest(); + void pointerEvent(); + void keyEvent(); + void clientCutText(); + bool pixelConversionNeeded() const; + + QVncServer *m_server; + QTcpSocket *m_clientSocket; + QRfbEncoder *m_encoder; + + // Client State + ClientState m_state; + quint8 m_msgType; + bool m_handleMsg; + QRfbPixelFormat m_pixelFormat; + bool m_sameEndian; + bool m_needConversion; + int m_encodingsPending; + int m_cutTextPending; + uint m_supportCopyRect : 1; + uint m_supportRRE : 1; + uint m_supportCoRRE : 1; + uint m_supportHextile : 1; + uint m_supportZRLE : 1; + uint m_supportCursor : 1; + uint m_supportDesktopSize : 1; + bool m_wantUpdate; + Qt::KeyboardModifiers m_keymod; + bool m_dirtyCursor; + bool m_updatePending; +#if Q_BYTE_ORDER == Q_BIG_ENDIAN + bool m_swapBytes; +#endif + QRegion m_dirtyRegion; + ProtocolVersion m_protocolVersion; +}; + +QT_END_NAMESPACE + +#endif // QVNCCLIENT_H diff --git a/src/plugins/platforms/vnc/qvncintegration.cpp b/src/plugins/platforms/vnc/qvncintegration.cpp new file mode 100644 index 0000000000..810c5d2a90 --- /dev/null +++ b/src/plugins/platforms/vnc/qvncintegration.cpp @@ -0,0 +1,148 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the FOO module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qvncintegration.h" +#include "qvncscreen.h" +#include "qvnc_p.h" + +#include <QtPlatformSupport/private/qgenericunixfontdatabase_p.h> +#include <QtPlatformSupport/private/qgenericunixservices_p.h> +#include <QtPlatformSupport/private/qgenericunixeventdispatcher_p.h> + +#include <QtPlatformSupport/private/qfbbackingstore_p.h> +#include <QtPlatformSupport/private/qfbwindow_p.h> +#include <QtPlatformSupport/private/qfbcursor_p.h> + +#include <QtGui/private/qguiapplication_p.h> +#include <qpa/qplatforminputcontextfactory_p.h> +#include <private/qinputdevicemanager_p_p.h> +#ifndef QT_NO_LIBINPUT +#include <QtPlatformSupport/private/qlibinputhandler_p.h> +#endif + +#include <QtCore/QRegularExpression> + +QT_BEGIN_NAMESPACE + +QVncIntegration::QVncIntegration(const QStringList ¶mList) + : m_fontDb(new QGenericUnixFontDatabase), + m_services(new QGenericUnixServices) +{ + QRegularExpression portRx(QLatin1String("port=(\\d+)")); + quint16 port = 5900; + for (const QString &arg : paramList) { + QRegularExpressionMatch match; + if (arg.contains(portRx, &match)) + port = match.captured(1).toInt(); + } + + m_primaryScreen = new QVncScreen(paramList); + m_server = new QVncServer(m_primaryScreen, port); + m_primaryScreen->vncServer = m_server; +} + +QVncIntegration::~QVncIntegration() +{ + delete m_server; + destroyScreen(m_primaryScreen); +} + +void QVncIntegration::initialize() +{ + if (m_primaryScreen->initialize()) + screenAdded(m_primaryScreen); + else + qWarning("vnc: Failed to initialize screen"); + + m_inputContext = QPlatformInputContextFactory::create(); + + m_nativeInterface.reset(new QPlatformNativeInterface); + + // we always have exactly one mouse and keyboard + QInputDeviceManagerPrivate::get(QGuiApplicationPrivate::inputDeviceManager())->setDeviceCount( + QInputDeviceManager::DeviceTypePointer, 1); + QInputDeviceManagerPrivate::get(QGuiApplicationPrivate::inputDeviceManager())->setDeviceCount( + QInputDeviceManager::DeviceTypeKeyboard, 1); + +} + +bool QVncIntegration::hasCapability(QPlatformIntegration::Capability cap) const +{ + switch (cap) { + case ThreadedPixmaps: return true; + case WindowManagement: return false; + default: return QPlatformIntegration::hasCapability(cap); + } +} + +QPlatformBackingStore *QVncIntegration::createPlatformBackingStore(QWindow *window) const +{ + return new QFbBackingStore(window); +} + +QPlatformWindow *QVncIntegration::createPlatformWindow(QWindow *window) const +{ + return new QFbWindow(window); +} + +QAbstractEventDispatcher *QVncIntegration::createEventDispatcher() const +{ + return createUnixEventDispatcher(); +} + +QList<QPlatformScreen *> QVncIntegration::screens() const +{ + QList<QPlatformScreen *> list; + list.append(m_primaryScreen); + return list; +} + +QPlatformFontDatabase *QVncIntegration::fontDatabase() const +{ + return m_fontDb.data(); +} + +QPlatformServices *QVncIntegration::services() const +{ + return m_services.data(); +} + +QPlatformNativeInterface *QVncIntegration::nativeInterface() const +{ + return m_nativeInterface.data(); +} + +QT_END_NAMESPACE diff --git a/src/plugins/platforms/vnc/qvncintegration.h b/src/plugins/platforms/vnc/qvncintegration.h new file mode 100644 index 0000000000..293ff54376 --- /dev/null +++ b/src/plugins/platforms/vnc/qvncintegration.h @@ -0,0 +1,85 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtGui module 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 The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QVNCINTEGRATION_H +#define QVNCINTEGRATION_H + +#include <qpa/qplatformintegration.h> +#include <qpa/qplatformnativeinterface.h> + +QT_BEGIN_NAMESPACE + +class QAbstractEventDispatcher; +class QVncScreen; +class QVncServer; + +class QVncIntegration : public QPlatformIntegration, public QPlatformNativeInterface +{ +public: + QVncIntegration(const QStringList ¶mList); + ~QVncIntegration(); + + void initialize() Q_DECL_OVERRIDE; + bool hasCapability(QPlatformIntegration::Capability cap) const Q_DECL_OVERRIDE; + + QPlatformWindow *createPlatformWindow(QWindow *window) const Q_DECL_OVERRIDE; + QPlatformBackingStore *createPlatformBackingStore(QWindow *window) const Q_DECL_OVERRIDE; + + QAbstractEventDispatcher *createEventDispatcher() const Q_DECL_OVERRIDE; + + QPlatformFontDatabase *fontDatabase() const Q_DECL_OVERRIDE; + QPlatformServices *services() const Q_DECL_OVERRIDE; + QPlatformInputContext *inputContext() const Q_DECL_OVERRIDE { return m_inputContext; } + + QPlatformNativeInterface *nativeInterface() const Q_DECL_OVERRIDE; + + QList<QPlatformScreen *> screens() const; + +private: + mutable QVncServer *m_server; + QVncScreen *m_primaryScreen; + QPlatformInputContext *m_inputContext; + QScopedPointer<QPlatformFontDatabase> m_fontDb; + QScopedPointer<QPlatformServices> m_services; + QScopedPointer<QPlatformNativeInterface> m_nativeInterface; +}; + +QT_END_NAMESPACE + +#endif // QVNCINTEGRATION_H diff --git a/src/plugins/platforms/vnc/qvncscreen.cpp b/src/plugins/platforms/vnc/qvncscreen.cpp new file mode 100644 index 0000000000..6d117c62bf --- /dev/null +++ b/src/plugins/platforms/vnc/qvncscreen.cpp @@ -0,0 +1,187 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtGui module 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 The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qvncscreen.h" +#include "qvnc_p.h" +#include <QtPlatformSupport/private/qfbwindow_p.h> +#include <QtPlatformSupport/private/qfbcursor_p.h> + +#include <QtGui/QPainter> +#include <QtCore/QRegularExpression> + + +QT_BEGIN_NAMESPACE + + +QVncScreen::QVncScreen(const QStringList &args) + : mArgs(args) +{ + initialize(); +} + +QVncScreen::~QVncScreen() +{ + if (clientCursor) + delete clientCursor; +} + +bool QVncScreen::initialize() +{ + QRegularExpression sizeRx(QLatin1String("size=(\\d+)x(\\d+)")); + QRegularExpression mmSizeRx(QLatin1String("mmsize=(?<width>(\\d*\\.)?\\d+)x(?<height>(\\d*\\.)?\\d+)")); + QRegularExpression depthRx(QLatin1String("depth=(\\d+)")); + + mGeometry = QRect(0, 0, 1024, 768); + mFormat = QImage::Format_ARGB32_Premultiplied; + mDepth = 32; + mPhysicalSize = QSizeF(mGeometry.width()/96.*25.4, mGeometry.height()/96.*25.4); + + for (const QString &arg : mArgs) { + QRegularExpressionMatch match; + if (arg.contains(mmSizeRx, &match)) { + mPhysicalSize = QSizeF(match.captured("width").toDouble(), match.captured("height").toDouble()); + } else if (arg.contains(sizeRx, &match)) { + mGeometry.setSize(QSize(match.captured(1).toInt(), match.captured(2).toInt())); + } else if (arg.contains(depthRx, &match)) { + mDepth = match.captured(1).toInt(); + } + } + + QFbScreen::initializeCompositor(); + + switch (depth()) { + case 32: + dirty = new QVncDirtyMapOptimized<quint32>(this); + break; + case 16: + dirty = new QVncDirtyMapOptimized<quint16>(this); + break; + case 8: + dirty = new QVncDirtyMapOptimized<quint8>(this); + break; + default: + qWarning("QVNCScreen::initDevice: No support for screen depth %d", + depth()); + dirty = 0; + return false; + } + + setPowerState(PowerStateOff); + + return true; +} + +QRegion QVncScreen::doRedraw() +{ + QRegion touched = QFbScreen::doRedraw(); + + if (touched.isEmpty()) + return touched; + dirtyRegion += touched; + + vncServer->setDirty(); + return touched; +} + +void QVncScreen::enableClientCursor(QVncClient *client) +{ + delete mCursor; + mCursor = nullptr; + if (!clientCursor) + clientCursor = new QVncClientCursor(); + clientCursor->addClient(client); +} + +void QVncScreen::disableClientCursor(QVncClient *client) +{ + uint clientCount = clientCursor->removeClient(client); + if (clientCount == 0) { + delete clientCursor; + clientCursor = nullptr; + } + + mCursor = new QFbCursor(this); +} + +QPlatformCursor *QVncScreen::cursor() const +{ + return mCursor ? static_cast<QPlatformCursor *>(mCursor) : static_cast<QPlatformCursor *>(clientCursor); +} + +// grabWindow() grabs "from the screen" not from the backingstores. +// In linuxfb's case it will also include the mouse cursor. +QPixmap QVncScreen::grabWindow(WId wid, int x, int y, int width, int height) const +{ + if (!wid) { + if (width < 0) + width = mScreenImage->width() - x; + if (height < 0) + height = mScreenImage->height() - y; + return QPixmap::fromImage(*mScreenImage).copy(x, y, width, height); + } + + QFbWindow *window = windowForId(wid); + if (window) { + const QRect geom = window->geometry(); + if (width < 0) + width = geom.width() - x; + if (height < 0) + height = geom.height() - y; + QRect rect(geom.topLeft() + QPoint(x, y), QSize(width, height)); + rect &= window->geometry(); + return QPixmap::fromImage(*mScreenImage).copy(rect); + } + + return QPixmap(); +} + +#if Q_BYTE_ORDER == Q_BIG_ENDIAN +bool QVNCScreen::swapBytes() const +{ + if (depth() != 16) + return false; + + if (screen()) + return screen()->frameBufferLittleEndian(); + return frameBufferLittleEndian(); +} +#endif + +QT_END_NAMESPACE + diff --git a/src/plugins/platforms/vnc/qvncscreen.h b/src/plugins/platforms/vnc/qvncscreen.h new file mode 100644 index 0000000000..e3c6651781 --- /dev/null +++ b/src/plugins/platforms/vnc/qvncscreen.h @@ -0,0 +1,93 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtGui module 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 The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QVncScreen_H +#define QVncScreen_H + +#include <QtPlatformSupport/private/qfbscreen_p.h> + +QT_BEGIN_NAMESPACE + +class QPainter; +class QFbCursor; +class QTcpSocket; +class QVncServer; +class QVncDirtyMap; +class QVncClientCursor; +class QVncClient; + +class QVncScreen : public QFbScreen +{ + Q_OBJECT +public: + QVncScreen(const QStringList &args); + ~QVncScreen(); + + bool initialize(); + + QPixmap grabWindow(WId wid, int x, int y, int width, int height) const Q_DECL_OVERRIDE; + + QRegion doRedraw() Q_DECL_OVERRIDE; + QImage *image() const { return mScreenImage; } + + void enableClientCursor(QVncClient *client); + void disableClientCursor(QVncClient *client); + QPlatformCursor *cursor() const Q_DECL_OVERRIDE; + + void clearDirty() { dirtyRegion = QRegion(); } + +#if Q_BYTE_ORDER == Q_BIG_ENDIAN + bool swapBytes() const +#endif + + QStringList mArgs; + + qreal dpiX = 96; + qreal dpiY = 96; + QVncDirtyMap *dirty = 0; + QRegion dirtyRegion; + int refreshRate = 30; + QVncServer *vncServer = 0; + QVncClientCursor *clientCursor = 0; +}; + +QT_END_NAMESPACE + +#endif // QVncScreen_H + diff --git a/src/plugins/platforms/vnc/vnc.json b/src/plugins/platforms/vnc/vnc.json new file mode 100644 index 0000000000..6a16b08ca8 --- /dev/null +++ b/src/plugins/platforms/vnc/vnc.json @@ -0,0 +1,3 @@ +{ + "Keys": [ "vnc" ] +} diff --git a/src/plugins/platforms/vnc/vnc.pro b/src/plugins/platforms/vnc/vnc.pro new file mode 100644 index 0000000000..9a1428ac39 --- /dev/null +++ b/src/plugins/platforms/vnc/vnc.pro @@ -0,0 +1,25 @@ +TARGET = qvnc + +PLUGIN_TYPE = platforms +PLUGIN_CLASS_NAME = QVncIntegrationPlugin +!equals(TARGET, $$QT_DEFAULT_QPA_PLUGIN): PLUGIN_EXTENDS = - +load(qt_plugin) + +QT += core-private gui-private platformsupport-private network + +SOURCES = \ + main.cpp \ + qvncintegration.cpp \ + qvncscreen.cpp \ + qvnc.cpp \ + qvncclient.cpp + +HEADERS = \ + qvncintegration.h \ + qvncscreen.h \ + qvnc_p.h \ + qvncclient.h + +CONFIG += qpa/genericunixfontdatabase + +OTHER_FILES += vnc.json |