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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitbcb704366cb5e333a626c18c308c7e0448a8e69f (patch)
treef0d6ab7d78ecdd9207cf46536376b44b91a1ca71 /wifi/statistics.cpp
downloadtdenetwork-bcb704366cb5e333a626c18c308c7e0448a8e69f.tar.gz
tdenetwork-bcb704366cb5e333a626c18c308c7e0448a8e69f.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/***************************************************************************
+ statistics.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 <klocale.h>
+#include "statistics.h"
+#include "interface_wireless.h"
+
+Statistics::Statistics (Interface_wireless * device, bool showStatsNoise):QWidget (0,
+ "KWiFiManager")
+{
+ this->setCaption (i18n ("Statistics - KWiFiManager"));
+ this->device = device;
+ this->showStatsNoise = showStatsNoise;
+}
+
+void
+Statistics::paintEvent (QPaintEvent *)
+{
+ statpainter = new QPainter (this);
+ QColor farbe (255, 255, 255);
+ statpainter->drawText (40, 30, i18n ("Noise/Signal Level Statistics"));
+ statpainter->drawText (150, 260,
+ i18n ("BLUE = signal level, RED = noise level"));
+ statpainter->drawLine (41, 244, 41, 260);
+ statpainter->drawLine (520, 244, 520, 260);
+ statpainter->drawText (21, 274, i18n ("-240 s"));
+ statpainter->drawText (510, 274, i18n ("now"));
+ statpainter->fillRect (41, 41, 480, 201, farbe);
+ QPointArray datensatz (240);
+ QPointArray datensatz2 (240);
+ // we may need to scale the output to fit into the window, so here we
+ // determine the range of values
+ int bottom =
+ (device->sigLevelMin >
+ device->noiseLevelMin) ? device->noiseLevelMin : device->sigLevelMin;
+ int top =
+ (device->sigLevelMax >
+ device->noiseLevelMax) ? device->sigLevelMax : device->noiseLevelMax;
+ int datarange = top - bottom;
+ statpainter->drawText (10, 50, QString ("%1").arg (top));
+ statpainter->drawText (10, 240, QString ("%1").arg (bottom));
+
+ // if values are all below 0, this indicates proper dBm values
+
+ if (top < 0) {
+ statpainter->drawText (2,65, "dBm");
+ statpainter->drawText (2,255, "dBm");
+ }
+
+ double scaleRatio;
+ if (datarange != 0)
+ {
+ scaleRatio = 200. / datarange;
+ }
+ else
+ {
+ scaleRatio = 1.;
+ }
+ int i = 0;
+ bool atLeastOneValid = false;
+ for (int j = device->current; j < device->current + MAX_HISTORY; j++)
+ {
+ if (device->valid[j % MAX_HISTORY])
+ {
+ atLeastOneValid = true;
+ datensatz.setPoint (i, 40 + (i * 2),
+ 241 -
+ (int) (((device->sigLevel[j % MAX_HISTORY] + device->sigLevel[(j-1) % MAX_HISTORY]) / 2 -
+ bottom) * scaleRatio));
+ datensatz2.setPoint (i, 40 + (i * 2),
+ 241 -
+ (int) (((device->noiseLevel[j % MAX_HISTORY] + device->noiseLevel[(j-1) % MAX_HISTORY]) / 2 -
+ bottom) * scaleRatio));
+ }
+ else
+ {
+ datensatz.setPoint (i, 40 + (i * 2), 241);
+ datensatz2.setPoint (i, 40 + (i * 2), 241);
+ }
+ i++;
+ };
+ // the above point array is only useful if at least one entry has its
+ // valid flag set. This fact is determined in the iteration before.
+ // Only paint the point array if there is one valid entry
+ if (atLeastOneValid)
+ {
+ if (showStatsNoise) {
+ statpainter->setPen (red);
+ statpainter->drawPolyline (datensatz2, 1);
+ }
+ statpainter->setPen (blue);
+ statpainter->drawPolyline (datensatz, 1);
+ }
+ delete statpainter;
+}