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222 lines
5.6 KiB
222 lines
5.6 KiB
15 years ago
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/***************************************************************************
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rfbcontroller.h
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-------------------
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begin : Sun Dec 9 2001
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copyright : (C) 2001 by Tim Jansen
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email : tim@tjansen.de
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***************************************************************************/
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/***************************************************************************
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* Contains portions & concept from rfb's x0rfbserver.cc
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* Copyright (C) 2000 heXoNet Support GmbH, D-66424 Homburg.
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef RFBCONTROLLER_H
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#define RFBCONTROLLER_H
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#include "configuration.h"
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#include "connectiondialog.h"
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#include "xupdatescanner.h"
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#include <ksock.h>
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#include <qobject.h>
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#include <qtimer.h>
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#include <qmutex.h>
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#define HAVE_PTHREADS
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#include "rfb.h"
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#include <X11/Xlib.h>
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class QCloseEvent;
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class QClipboard;
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class RFBController;
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typedef enum {
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RFB_STOPPED,
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RFB_WAITING,
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RFB_CONNECTING,
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RFB_CONNECTED
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} RFBState;
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class VNCEvent {
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public:
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virtual void exec() = 0;
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virtual ~VNCEvent();
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};
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class KeyboardEvent : public VNCEvent {
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bool down;
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KeySym keySym;
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static Display *dpy;
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static signed char modifiers[0x100];
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static KeyCode keycodes[0x100], leftShiftCode, rightShiftCode, altGrCode;
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static const int LEFTSHIFT;
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static const int RIGHTSHIFT;
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static const int ALTGR;
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static char ModifierState;
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static void tweakModifiers(signed char mod, bool down);
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public:
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static void initKeycodes();
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KeyboardEvent(bool d, KeySym k);
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virtual void exec();
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};
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class PointerEvent : public VNCEvent {
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int button_mask, x, y;
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static bool initialized;
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static Display *dpy;
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static int buttonMask;
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public:
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PointerEvent(int b, int _x, int _y);
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virtual void exec();
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};
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class ClipboardEvent : public VNCEvent {
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RFBController *controller;
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QString text;
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public:
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ClipboardEvent(RFBController *c, const QString &text);
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virtual void exec();
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};
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class KNotifyEvent : public VNCEvent {
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QString name;
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QString desc;
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public:
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KNotifyEvent(const QString &n, const QString &d);
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virtual ~KNotifyEvent();
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virtual void exec();
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};
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class SessionEstablishedEvent : public VNCEvent {
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RFBController *controller;
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public:
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SessionEstablishedEvent(RFBController *c);
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virtual void exec();
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};
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/**
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* Manages sockets, drives the RGBConnection and triggers the connection
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* dialog.
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* The controller has three states: 'waiting for connection',
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* 'waiting for confirmation' and 'connected'. In the first state socket and
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* connection are null, in the second socket is set and in the last both are
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* set.
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* @author Tim Jansen
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*/
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class RFBController : public QObject {
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Q_OBJECT
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friend class SessionEstablishedEvent;
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friend class ClipboardEvent;
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public:
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RFBController(Configuration *c);
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virtual ~RFBController();
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RFBState state;
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void acceptConnection(bool allowRemoteConnection);
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void connectionAccepted(bool allowRemoteConnection);
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void refuseConnection();
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void connectionClosed();
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bool handleCheckPassword(rfbClientPtr, const char *, int);
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void handleKeyEvent(bool down, KeySym keySym);
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void handlePointerEvent(int button_mask, int x, int y);
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enum rfbNewClientAction handleNewClient(rfbClientPtr cl);
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void clipboardToServer(const QString &text);
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void handleClientGone();
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void handleNegotiationFinished(rfbClientPtr cl);
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int getPort();
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void startServer(int inetdFd = -1, bool xtestGrab = true);
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static bool checkX11Capabilities();
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public slots:
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void passwordChanged();
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void closeConnection();
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void enableDesktopControl(bool c);
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signals:
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void sessionEstablished(QString host);
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void sessionFinished();
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void sessionRefused();
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void quitApp();
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void desktopControlSettingChanged(bool);
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private:
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void stopServer(bool xtestUngrab = true);
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void sendKNotifyEvent(const QString &name, const QString &desc);
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void sendSessionEstablished();
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void disableBackground(bool state);
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QString remoteIp;
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volatile bool allowDesktopControl;
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QTimer initIdleTimer;
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QTimer idleTimer;
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enum {
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LAST_SYNC_TO_SERVER,
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LAST_SYNC_TO_CLIENT
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} lastClipboardDirection;
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QString lastClipboardText;
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QClipboard *clipboard;
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Configuration *configuration;
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XUpdateScanner *scanner;
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ConnectionDialog dialog;
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QString desktopName;
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rfbScreenInfoPtr server;
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XImage *framebufferImage;
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QMutex asyncMutex;
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QPtrList<VNCEvent> asyncQueue;
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bool disableBackgroundPending; // background, as desired by libvncserver
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bool disableBackgroundState; // real background state
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bool closePending; // set when libvncserver detected close
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bool forcedClose; // set when user closed connection
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private slots:
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bool checkAsyncEvents();
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void idleSlot();
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void dialogAccepted();
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void dialogRefused();
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void selectionChanged();
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void clipboardChanged();
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};
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/*
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* Class to call XTestDiscard at idle time (because otherwise
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* it will not work with QT)
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*/
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class XTestDisabler : public QObject {
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Q_OBJECT
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public:
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XTestDisabler();
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bool disable;
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Display *dpy;
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public slots:
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void exec();
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};
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#endif
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