File indexing completed on 2024-04-14 04:53:30 

0001 /*
0002     SPDX-FileCopyrightText: 2007-2013 Urs Wolfer <uwolfer@kde.org>
0003 
0004     SPDX-License-Identifier: GPL-2.0-or-later
0005 */
0006 
0007 #ifndef VNCVIEW_H
0008 #define VNCVIEW_H
0009 
0010 #include "remoteview.h"
0011 #include "vncclientthread.h"
0012 
0013 #ifdef QTONLY
0014 class KConfigGroup
0015 {
0016 };
0017 #else
0018 #include "vnchostpreferences.h"
0019 #endif
0020 
0021 #ifdef LIBSSH_FOUND
0022 #include "vncsshtunnelthread.h"
0023 #endif
0024 
0025 #include <QClipboard>
0026 #include <QMap>
0027 
0028 extern "C" {
0029 #include <rfb/rfbclient.h>
0030 }
0031 
0032 class VncView : public RemoteView
0033 {
0034     Q_OBJECT
0035 
0036 public:
0037     explicit VncView(QWidget *parent = nullptr, const QUrl &url = QUrl(), KConfigGroup configGroup = KConfigGroup());
0038     ~VncView() override;
0039 
0040     QSize framebufferSize() override;
0041     QSize sizeHint() const override;
0042     QSize minimumSizeHint() const override;
0043     void startQuitting() override;
0044     bool isQuitting() override;
0045     bool start() override;
0046     bool supportsScaling() const override;
0047     bool supportsLocalCursor() const override;
0048     bool supportsViewOnly() const override;
0049 
0050 #ifndef QTONLY
0051     HostPreferences *hostPreferences() override;
0052 #endif
0053 
0054     void setViewOnly(bool viewOnly) override;
0055     void showLocalCursor(LocalCursorState state) override;
0056     void enableScaling(bool scale) override;
0057 
0058     void updateConfiguration() override;
0059 
0060 public Q_SLOTS:
0061     void scaleResize(int w, int h) override;
0062 
0063 protected:
0064     void paintEvent(QPaintEvent *event) override;
0065     bool event(QEvent *event) override;
0066     void resizeEvent(QResizeEvent *event) override;
0067     bool eventFilter(QObject *obj, QEvent *event) override;
0068     void focusOutEvent(QFocusEvent *event) override;
0069 
0070 private:
0071     VncClientThread vncThread;
0072     QClipboard *m_clipboard;
0073     bool m_initDone;
0074     int m_buttonMask;
0075     QMap<unsigned int, bool> m_mods;
0076     bool m_quitFlag;
0077     bool m_firstPasswordTry;
0078     bool m_dontSendClipboard;
0079     qreal m_horizontalFactor;
0080     qreal m_verticalFactor;
0081     int m_wheelRemainderV;
0082     int m_wheelRemainderH;
0083 #ifndef QTONLY
0084     VncHostPreferences *m_hostPreferences;
0085 #endif
0086     QImage m_frame;
0087     bool m_forceLocalCursor;
0088 #ifdef LIBSSH_FOUND
0089     VncSshTunnelThread *m_sshTunnelThread;
0090 
0091     QString readWalletSshPassword();
0092     void saveWalletSshPassword();
0093 #endif
0094 
0095     void keyEventHandler(QKeyEvent *e);
0096     void unpressModifiers();
0097     void wheelEventHandler(QWheelEvent *event);
0098     void mouseEventHandler(QMouseEvent *event);
0099 
0100 private Q_SLOTS:
0101     void updateImage(int x, int y, int w, int h);
0102     void setCut(const QString &text);
0103     void requestPassword(bool includingUsername);
0104 #ifdef LIBSSH_FOUND
0105     void sshRequestPassword(VncSshTunnelThread::PasswordRequestFlags flags);
0106 #endif
0107     void outputErrorMessage(const QString &message);
0108     void sshErrorMessage(const QString &message);
0109     void clipboardDataChanged();
0110 };
0111 
0112 #endif