File indexing completed on 2024-04-28 08:51:02 

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