00001 /**************************************************************** 00002 * Vidalia is distributed under the following license: 00003 * 00004 * Copyright (C) 2006, Matt Edman, Justin Hipple 00005 * 00006 * This program is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU General Public License 00008 * as published by the Free Software Foundation; either version 2 00009 * of the License, or (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 00019 * Boston, MA 02110-1301, USA. 00020 ****************************************************************/ 00021 00022 /** 00023 * \file bwgraph.h 00024 * \version $Id: bwgraph.h 1563 2006-12-26 06:06:04Z edmanm $ 00025 * \brief Displays a graph of Tor's bandwidth usage 00026 */ 00027 00028 #ifndef _BWGRAPH_H 00029 #define _BWGRAPH_H 00030 00031 #include <QDateTime> 00032 #include <QEvent> 00033 00034 #include <config/vidaliasettings.h> 00035 #include <control/torcontrol.h> 00036 #include <gui/common/vidaliawindow.h> 00037 00038 #include "ui_bwgraph.h" 00039 00040 /** Redraw graph every 1000ms **/ 00041 #define REFRESH_RATE 1000 00042 00043 00044 class BandwidthGraph : public VidaliaWindow 00045 { 00046 Q_OBJECT 00047 00048 public: 00049 /** Default constructor */ 00050 BandwidthGraph(QWidget *parent = 0, Qt::WFlags flags = 0); 00051 00052 public slots: 00053 /** Overloaded QWidget.show */ 00054 void showWindow(); 00055 00056 protected: 00057 /** Called to deliver a bandwidth update event from Tor. */ 00058 void customEvent(QEvent *event); 00059 00060 private slots: 00061 /** Adds new data to the graph */ 00062 void updateGraph(quint64 bytesRead, quint64 bytesWritten); 00063 /** Called when settings button is toggled */ 00064 void showSettingsFrame(bool show); 00065 /** Called when the settings button is toggled */ 00066 void setOpacity(int value); 00067 /** Called when the user saves settings */ 00068 void saveChanges(); 00069 /** Called when the user cancels changes settings */ 00070 void cancelChanges(); 00071 /** Called when the reset button is pressed */ 00072 void reset(); 00073 00074 private: 00075 /** Create and bind actions to events **/ 00076 void createActions(); 00077 /** Loads the saved Bandwidth Graph settings */ 00078 void loadSettings(); 00079 00080 /** A TorControl object used to talk to Tor. */ 00081 TorControl* _torControl; 00082 /** A VidaliaSettings object that handles getting/saving settings */ 00083 VidaliaSettings* _settings; 00084 00085 /** Qt Designer generated object */ 00086 Ui::BandwidthGraph ui; 00087 }; 00088 00089 #endif 00090