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tdenetwork/wifi/strength.cpp

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6.1 KiB

/***************************************************************************
strength.cpp - description
-------------------
begin : Mon Aug 19 2002
copyright : (C) 2002 by Stefan Winter
email : mail@stefan-winter.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include <qwidget.h>
#include <qpainter.h>
#include <qpixmap.h>
#include <qlabel.h>
#include <kstandarddirs.h>
#include <klocale.h>
#include <kdebug.h>
#include "strength.h"
#include "interface_wireless.h"
extern bool useAlternateStrengthCalc;
Strength::Strength (QWidget * parent, Interface_wireless * device):QWidget (parent,
"strength")
{
this->device = device;
KStandardDirs finder;
kdedir = finder.findResourceDir ("data", "kwifimanager/pics/no_card.png");
kdedir += "kwifimanager/pics/";
NOT_CON_OFFLINE_ADHOC = new QPixmap (kdedir + "offline.png");
EXCELLENT = new QPixmap (kdedir + "excellent.png");
GOOD = new QPixmap (kdedir + "good.png");
MARGINAL = new QPixmap (kdedir + "marginal.png");
OOR_MINIMUM = new QPixmap (kdedir + "oor_minimum.png");
OOR_DOWN = new QPixmap (kdedir + "oor_down.png");
}
QSize Strength::mySizeHint ()
{
/* make this quite general, just in case someone uses different icons */
QSize* temp = new QSize(NOT_CON_OFFLINE_ADHOC->size());
if (EXCELLENT->size().width() > temp->width ()) { temp->setWidth (EXCELLENT->size().width ()); }
if (EXCELLENT->size().height() > temp->height()) { temp->setHeight(EXCELLENT->size().height()); }
if (GOOD->size().width() > temp->width ()) { temp->setWidth (GOOD->size().width ()); }
if (GOOD->size().height() > temp->height()) { temp->setHeight(GOOD->size().height()); }
if (MARGINAL->size().width() > temp->width ()) { temp->setWidth (MARGINAL->size().width ()); }
if (MARGINAL->size().height() > temp->height()) { temp->setHeight(MARGINAL->size().height()); }
if (OOR_MINIMUM->size().width() > temp->width ()) { temp->setWidth (OOR_MINIMUM->size().width ()); }
if (OOR_MINIMUM->size().height() > temp->height()) { temp->setHeight(OOR_MINIMUM->size().height()); }
if (OOR_DOWN->size().width() > temp->width ()) { temp->setWidth (OOR_DOWN->size().width ()); }
if (OOR_DOWN->size().height() > temp->height()) { temp->setHeight(OOR_DOWN->size().height()); }
// add a little more x-space: we need 50 pixels left and 50 pixels right of the icon
temp->setWidth (temp->width() + 100);
// add a little more y-space: we need 10 pixels above and 20 pixels below the icon
temp->setHeight(temp->height() + 30);
// up to now: this is the height required to get a decent logo display
// now determine height of QLabels to calculate the extra needed height
QLabel heightTest( "ABC", 0 );
temp->setHeight( temp->height() + 2 * heightTest.sizeHint().height() + 10 );
return *temp;
}
Strength::~Strength ()
{
delete NOT_CON_OFFLINE_ADHOC;
delete GOOD;
delete MARGINAL;
delete OOR_MINIMUM;
delete OOR_DOWN;
}
void
Strength::paintEvent (QPaintEvent * event)
{
updateInfo (event);
}
void
Strength::updateInfo (QPaintEvent *)
{
QPainter *strengthpainter = new QPainter (this);
QString sstrength1, sstrength2( i18n("N/A") );
int mode;
double freq;
int sig, noi, strength;
bool validdata = device->get_current_quality (sig, noi, strength);
if (useAlternateStrengthCalc)
strength = sig - noi;
if ( device->get_txpower_disabled() )
{
sstrength1 = i18n("DISABLED");
strengthpainter->drawPixmap (50, 10, *NOT_CON_OFFLINE_ADHOC);
}
else if (!device->get_device_freq (freq))
{
sstrength1 = i18n("NOT CONNECTED");
strengthpainter->drawPixmap (50, 10, *NOT_CON_OFFLINE_ADHOC);
}
else if (device->get_mode(mode) && mode == 1)
{
sstrength1 = i18n("AD-HOC MODE");
strengthpainter->drawPixmap (50, 10, *NOT_CON_OFFLINE_ADHOC);
}
else if (validdata && (strength > 45))
{
sstrength1 = i18n("ULTIMATE");
sstrength2 = QString::number(strength);
strengthpainter->drawPixmap (50, 10, *EXCELLENT);
}
else if (validdata && (strength > 35))
{
sstrength1 = i18n("TOP");
sstrength2 = QString::number(strength);
strengthpainter->drawPixmap (50, 10, *EXCELLENT);
}
else if (validdata && (strength > 25))
{
sstrength1 = i18n("EXCELLENT");
sstrength2 = QString::number(strength);
strengthpainter->drawPixmap (50, 10, *EXCELLENT);
}
else if (validdata && (strength > 15))
{
sstrength1 = i18n("GOOD");
sstrength2 = QString::number(strength);
strengthpainter->drawPixmap (50, 10, *GOOD);
}
else if (validdata && (strength > 5))
{
sstrength1 = i18n("WEAK");
sstrength2 = QString::number(strength);
strengthpainter->drawPixmap (50, 10, *MARGINAL);
}
else if (validdata && (strength > 0))
{
sstrength1 = i18n("MINIMUM");
sstrength2 = QString::number(strength);
strengthpainter->drawPixmap (50, 10, *OOR_MINIMUM);
}
else if (((strength == 0) && (mode == 2)) || (!validdata))
{
sstrength1 = i18n("OUT OF RANGE");
sstrength2 = QString::fromLatin1("0");
strengthpainter->drawPixmap (50, 10, *OOR_DOWN);
}
else
{
sstrength1 = i18n("N/A");
strengthpainter->drawPixmap (50, 10, *NOT_CON_OFFLINE_ADHOC);
};
sstrength2.prepend( i18n("Signal strength: ") );
strengthpainter->drawText (5, 55, sstrength1);
strengthpainter->drawText (5, 80, sstrength2);
delete strengthpainter;
}
#include "strength.moc"