diff options
author | Andy Nichols <andy.nichols@theqtcompany.com> | 2016-06-15 15:07:41 +0200 |
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committer | Andy Nichols <andy.nichols@qt.io> | 2016-06-28 10:18:34 +0000 |
commit | 2cf3696d9f11ae2aa2dba56a0774bea10d59a482 (patch) | |
tree | 79af23327f69f8549a80282ff8f123d152fee066 /src/plugins/platforms/vnc/qvncclient.h | |
parent | 2204e9a7c48faf35e41bd338da7efaad78b8efff (diff) |
Support multiple connected clients in the VNC plugin
Previously it was only possible for one client to connect at a time.
Now it is possible for multiple clients to connect to the VNC server and
view and interact with the application.
Change-Id: I886583a3abea2955367bf2da490127b041b5c5fb
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
Diffstat (limited to 'src/plugins/platforms/vnc/qvncclient.h')
-rw-r--r-- | src/plugins/platforms/vnc/qvncclient.h | 149 |
1 files changed, 149 insertions, 0 deletions
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 |