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/***************************************************************************
** $Id: chart.cpp,v 1.7 2007/12/21 19:14:26 hoganrobert Exp $
* Copyright (C) 2006 by Robert Hogan *
* robert@roberthogan.net *
* *
* Copyright (C) 2005 by Hugo Parente Lima *
* hugo_pl@users.sourceforge.net *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "chart.h"
#include "functions.h"
#include <qpainter.h>
#include <qbrush.h>
#include <kdebug.h>
using namespace tk;
Chart::Chart(QWidget* parent, const double* uploadBuffer, const double* downloadBuffer, int bufferSize, const int* ptr, const double* maxspeed, const double* sys_uploadBuffer, const double* sys_downloadBuffer, int sys_bufferSize, const int* sys_ptr, const double* sys_maxspeed, bool gotEth0) : QWidget(parent), mUplBuffer(uploadBuffer), mDldBuffer(downloadBuffer), mBufferSize(bufferSize), mPtr(ptr), mMaxSpeed(maxspeed),sys_mUplBuffer(sys_uploadBuffer), sys_mDldBuffer(sys_downloadBuffer), sys_mBufferSize(sys_bufferSize), sys_mPtr(sys_ptr), sys_mMaxSpeed(sys_maxspeed),mGotEth0(gotEth0) {
setWFlags(Qt::WNoAutoErase);
setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
}
void Chart::paintEvent(QPaintEvent*) {
QPainter paint(this);
paint.setBackgroundColor(Qt::black);
paint.setBackgroundMode(Qt::OpaqueMode);
QBrush brush(QColor(0x33, 0x33, 0x33), CrossPattern);
paint.fillRect(0, 0, width(), height(), brush);
const double step = width()/double(mBufferSize);
const int HEIGHT = height() - 1;
int x;
int lastX = x = width();
int lastRxY = HEIGHT - int(HEIGHT * (mDldBuffer[*mPtr]/(*mMaxSpeed)));
int lastTxY = HEIGHT - int(HEIGHT * (mUplBuffer[*mPtr]/(*mMaxSpeed)));
int count = 0;
for (int i = *mPtr; count < mBufferSize; i--) {
if (i < 0)
i = mBufferSize-1;
int rxY = HEIGHT - int(HEIGHT * (mDldBuffer[i]/(*mMaxSpeed)));
int txY = HEIGHT - int(HEIGHT * (mUplBuffer[i]/(*mMaxSpeed)));
paint.setPen(Qt::green);
paint.drawLine(lastX, lastRxY, x, rxY);
paint.setPen(Qt::red);
paint.drawLine(lastX, lastTxY, x, txY);
//qDebug("%d => %d", i, int(mSpeedHistoryRx[i]));
lastX = x;
lastRxY = rxY;
lastTxY = txY;
count++;
x = width() - int(step*(count+1));
}
paint.setFont(QFont("Helvetica", 8));
paint.setPen( Qt::red );
paint.drawText( rect(), Qt::AlignTop, QString("Tor Tx: %1 ").arg(BytesPerSecToString(mUplBuffer[*mPtr])));
paint.setPen( Qt::green );
paint.drawText( rect(), Qt::AlignBottom, QString("Tor Rx: %1 ").arg(BytesPerSecToString(mDldBuffer[*mPtr])));
if (mGotEth0){
lastX = x = width();
lastRxY = HEIGHT - int(HEIGHT * (sys_mDldBuffer[*sys_mPtr]/(*sys_mMaxSpeed)));
lastTxY = HEIGHT - int(HEIGHT * (sys_mUplBuffer[*sys_mPtr]/(*sys_mMaxSpeed)));
count = 0;
for (int i = *sys_mPtr; count < sys_mBufferSize; i--) {
if (i < 0)
i = sys_mBufferSize-1;
int rxY = HEIGHT - int(HEIGHT * (sys_mDldBuffer[i]/(*sys_mMaxSpeed)));
int txY = HEIGHT - int(HEIGHT * (sys_mUplBuffer[i]/(*sys_mMaxSpeed)));
paint.setPen(Qt::darkGreen);
paint.drawLine(lastX, lastRxY, x, rxY);
paint.setPen(Qt::darkRed);
paint.drawLine(lastX, lastTxY, x, txY);
//qDebug("%d => %d", i, int(mSpeedHistoryRx[i]));
lastX = x;
lastRxY = rxY;
lastTxY = txY;
count++;
x = width() - int(step*(count+1));
}
QString TorTX = QString("Tor Tx: %1 ").arg(BytesPerSecToString(mUplBuffer[*mPtr]));
QString SysTX = QString("Sys Tx: %1 ").arg(BytesPerSecToString(sys_mUplBuffer[*sys_mPtr]));
QString TorRX = QString("Tor Rx: %1 ").arg(BytesPerSecToString(mDldBuffer[*mPtr]));
QString SysRX = QString("Sys Rx: %1 ").arg(BytesPerSecToString(sys_mDldBuffer[*sys_mPtr]));
//Paint Text Representation
QRect first = paint.boundingRect( rect(), Qt::AlignTop, TorTX);
first.moveLeft(first.width());
first.setWidth(paint.boundingRect( rect(), Qt::AlignTop, SysTX).width());
paint.setPen( Qt::red );
paint.drawText( first, Qt::AlignTop, SysTX);
first = paint.boundingRect( rect(), Qt::AlignBottom, TorRX);
first.moveLeft(first.width());
first.setWidth(paint.boundingRect( rect(), Qt::AlignTop, SysRX).width());
paint.setPen( Qt::green );
paint.drawText( first, Qt::AlignTop, SysRX);
}
}
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