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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-20 02:37:40 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-20 02:37:40 +0000
commit9ad5c7b5e23b4940e7a3ea3ca3a6fb77e6a8fab0 (patch)
treed088b5210e77d9fa91d954d8550e00e372b47378 /plugins/stats/ChartDrawer.cc
downloadktorrent-9ad5c7b5e23b4940e7a3ea3ca3a6fb77e6a8fab0.tar.gz
ktorrent-9ad5c7b5e23b4940e7a3ea3ca3a6fb77e6a8fab0.zip
Updated to final KDE3 ktorrent release (2.2.6)
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/ktorrent@1077377 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'plugins/stats/ChartDrawer.cc')
-rw-r--r--plugins/stats/ChartDrawer.cc473
1 files changed, 473 insertions, 0 deletions
diff --git a/plugins/stats/ChartDrawer.cc b/plugins/stats/ChartDrawer.cc
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+/***************************************************************************
+ * Copyright © 2007 by Krzysztof Kundzicz *
+ * athantor@gmail.com *
+ * *
+ * 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., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+#include "ChartDrawer.h"
+
+#ifdef USE_SOLARIS
+#include <ieeefp.h>
+int isinf(double x) { return !finite(x) && x==x; }
+#endif
+
+
+namespace kt {
+
+ChartDrawer::ChartDrawer(QWidget *p, wgtsize_t x_max, wgtsize_t y_max, bool autom, const QString & uname) : QWidget(p), mXMax(x_max), mYMax(y_max), mAutoMax(autom),
+ mUnitName(uname), mMMode(MaxModeExact)
+{
+ setBackgroundColor("white");
+}
+
+ChartDrawer::~ChartDrawer()
+{
+ QToolTip::remove(this);
+}
+
+ChartDrawer::wgtsize_t ChartDrawer::GetXMax() const
+{
+ return mXMax;
+}
+
+ChartDrawer::wgtsize_t ChartDrawer::GetYMax() const
+{
+ return mYMax;
+}
+
+void ChartDrawer::SetXMax(const wgtsize_t x)
+{
+ mXMax = x;
+
+ for(size_t i = 0; i < mEls.size(); i++)
+ {
+ mEls[i].pmVals -> resize(x, 0.0);
+ }
+}
+
+void ChartDrawer::SetYMax(const wgtsize_t y)
+{
+ mYMax = y;
+}
+
+inline ChartDrawer::wgtsize_t ChartDrawer::GetYScale() const
+{
+ return height() / 8;
+}
+
+
+inline ChartDrawer::wgtunit_t ChartDrawer::TrY(const ChartDrawer::wgtunit_t y) const
+{
+ return height() - y;
+}
+
+void ChartDrawer::paintEvent ( QPaintEvent *)
+{
+ QPainter pnt( this );
+
+ DrawScale(pnt);
+ DrawFrame(pnt);
+ DrawChart(pnt);
+
+}
+
+inline ChartDrawer::wgtunit_t ChartDrawer::height() const
+{
+ return QWidget::height() - 15;
+}
+
+inline ChartDrawer::wgtunit_t ChartDrawer::width() const
+{
+ return QWidget::width() - 65;
+}
+
+void ChartDrawer::DrawFrame(QPainter & rPnt )
+{
+ QPen op = rPnt.pen();
+ rPnt.setPen(QPen("#000", 3));
+
+ rPnt.drawLine(0, TrY(0), width()+3, TrY(0));
+ rPnt.drawLine(width()+1, TrY(0), width()+1, TrY(QWidget::height()));
+
+ QFont oldf(rPnt.font());
+ QFont newf(oldf);
+ newf.setWeight(QFont::Bold);
+ newf.setPointSize(10);
+ newf.setUnderline(1);
+
+ rPnt.setFont(newf);
+ rPnt.drawText(width() + 30, TrY(-7), mUnitName);
+ rPnt.setFont(oldf);
+
+ rPnt.setPen(op);
+}
+
+void ChartDrawer::DrawScale(QPainter & rPnt )
+{
+
+ if(!mYMax)
+ {
+ return;
+ }
+
+ QPen op = rPnt.pen();
+ QPen ep("#eee", 1, Qt::DashLine);
+ QPen lp("#666", 2, Qt::DotLine);
+ QPen tp("#000");
+
+ rPnt.setPen(ep);
+
+ for(wgtsize_t i = 1; i < width(); i += 10)
+ {
+ rPnt.drawLine(i, TrY(0), i, TrY(height()));
+ }
+
+ for(wgtsize_t i = 0; i < height(); i += 10)
+ {
+ rPnt.drawLine(0, TrY(i), width(), TrY(i));
+ }
+
+ rPnt.setPen(lp);
+ rPnt.drawLine(0, TrY(height() - 10), width(), TrY(height() - 10));
+ rPnt.setPen(tp);
+ rPnt.drawText(width() + 4, TrY(height() - 10) + 4, QString::number (mYMax));
+
+ for(wgtsize_t i = 0; i < height() - 15 ; i += GetYScale())
+ {
+ rPnt.setPen(lp);
+ rPnt.drawLine(0, TrY(i), width(), TrY(i));
+ rPnt.setPen(tp);
+ rPnt.drawText(width() + 4, TrY(i) + 4, QString::number ( (mYMax / 8.0 ) * ( i / static_cast<double>(GetYScale() )), 'f', 1 ) );
+ }
+
+ rPnt.setPen(op);
+}
+
+void ChartDrawer::DrawChart(QPainter & rPnt)
+{
+
+ QPen op = rPnt.pen();
+
+ uint32_t skip_max = 0;
+
+ for(size_t i = 0; i < mEls.size(); i++)
+ {
+ rPnt.setPen( *mEls[i].GetPen() );
+
+ for(size_t j = 1; j < mEls[i].pmVals -> size() - 1; j++)
+ {
+ rPnt.drawLine(
+ FindXScreenCoords(j-1),
+ TrY(FindYScreenCoords(mEls[i].pmVals -> at(j-1))),
+ FindXScreenCoords(j),
+ TrY(FindYScreenCoords(mEls[i].pmVals -> at(j)))
+ );
+ }
+//
+ rPnt.drawLine(
+ FindXScreenCoords(mEls[i].pmVals -> size() - 2),
+ TrY(FindYScreenCoords(mEls[i].pmVals -> at(mEls[i].pmVals -> size() - 2))),
+ width(),
+ TrY(FindYScreenCoords(mEls[i].pmVals -> at(mEls[i].pmVals -> size() - 1)))
+ );
+
+ // --------------------
+ // Line on top
+ // ------------
+ QPen myop(rPnt.pen());
+ QPen topl(myop);
+ topl.setStyle(Qt::DotLine);
+ rPnt.setPen(topl);
+ rPnt.drawLine(0, TrY(FindYScreenCoords(mEls[i].pmVals -> at(mEls[i].pmVals -> size() - 1))), width(), TrY(FindYScreenCoords(mEls[i].pmVals -> at(mEls[i].pmVals -> size() - 1))) );
+ rPnt.setPen(myop);
+
+ QFont oldf(rPnt.font());
+ QFont newf(oldf);
+ newf.setWeight(QFont::Bold);
+ newf.setPointSize(8);
+
+ rPnt.setFont(newf);
+ rPnt.drawText(5 + (i * 50), TrY(FindYScreenCoords(mEls[i].pmVals -> at(mEls[i].pmVals -> size() - 1))) + 11, QString::number (mEls[i].pmVals -> at(mEls[i].pmVals -> size() - 1), 'f', 2 ) );
+
+
+ //------------------
+ // max
+ //------------------
+
+ if(mMarkMax[i])
+ {
+ rPnt.setPen(topl);
+ std::pair<double, size_t> max = mEls[i] . Max();
+
+ rPnt.drawLine(
+ FindXScreenCoords(max.second), TrY(0), FindXScreenCoords(max.second), TrY(height())
+ );
+
+ rPnt.setPen(myop);
+
+ rPnt.setFont(newf);
+ QString maxv(QString::number (max.first, 'f', 2));
+
+ if(FindXScreenCoords(max.second) < 35)
+ {
+ rPnt.drawText(FindXScreenCoords(max.second) + 5, TrY(height() - (10 * (i - skip_max)) ) + 10, maxv ) ;
+ } else {
+ rPnt.drawText(FindXScreenCoords(max.second) - 35 , TrY(height() - (10 * (i - skip_max)) ) + 10, maxv ) ;
+ }
+ } else {
+ skip_max++;
+ }
+
+ rPnt.setFont(oldf);
+ rPnt.setPen(op);
+ }
+
+ rPnt.setPen(op);
+}
+
+inline ChartDrawer::wgtunit_t ChartDrawer::FindXScreenCoords(const double x) const
+{
+ return static_cast<wgtunit_t>((width() / static_cast<double>(mXMax)) * x) ;
+}
+
+inline ChartDrawer::wgtunit_t ChartDrawer::FindYScreenCoords(const double y) const
+{
+ return static_cast<wgtunit_t>(((height()) / static_cast<double>(mYMax)) * y) ;
+}
+
+void ChartDrawer::EnableAutoMax(bool a)
+{
+ mAutoMax = a;
+}
+
+void ChartDrawer::AddValue(const size_t idx, const double val, bool u )
+{
+
+ if( idx >= mEls.size() )
+ {
+ return;
+ }
+
+ ChartDrawerData::val_t::iterator it = mEls[idx].pmVals -> begin();
+
+ while(it != mEls[idx] .pmVals -> end() )
+ {
+ *it = *(it + 1);
+ it++;
+ }
+
+#ifdef USE_SOLARIS
+ if(isnand(val) || (isinf(val)))
+#else
+ if(std::isnan(val) || (std::isinf(val)))
+#endif
+ {
+ *(mEls[idx].pmVals -> end() -1) = 0.0;
+ } else {
+ *(mEls[idx].pmVals -> end() -1) = val;
+ }
+
+ if(mAutoMax)
+ {
+ if( (mMMode == MaxModeTop) && (val > mYMax) )
+ {
+ mYMax = static_cast<wgtsize_t>(val) + 3;
+
+ } else if(mMMode == MaxModeExact) {
+ FindSetMax();
+ }
+ }
+
+ if(u)
+ {
+ update();
+ }
+
+}
+
+void ChartDrawer::AddValues(ChartDrawerData Cdd, const bool max)
+{
+ if(Cdd.pmVals -> size() != mXMax)
+ {
+ Cdd.pmVals -> resize(mXMax, 0.0);
+ }
+
+ mEls.push_back(Cdd);
+ mMarkMax.push_back(max);
+
+ MakeLegendTooltip();
+}
+
+void ChartDrawer::AddValues(ChartDrawerData Cdd, const size_t idx, const bool max)
+{
+ if(Cdd.pmVals -> size() != mXMax)
+ {
+ Cdd.pmVals -> resize(mXMax, 0.0);
+ }
+
+ if(idx >= mEls.size())
+ {
+ mEls.push_back(Cdd);
+ } else {
+ mEls.insert(mEls.begin() + idx, Cdd);
+ }
+
+ if(idx >= mMarkMax.size())
+ {
+ mMarkMax.push_back(max);
+ } else {
+ mMarkMax.insert(mMarkMax.begin() + idx, max);
+ }
+
+ MakeLegendTooltip();
+}
+
+void ChartDrawer::AddValuesCnt(const QString & rN, const bool max)
+{
+ mEls.push_back(ChartDrawerData(mXMax, rN));
+ mMarkMax.push_back(max);
+
+ MakeLegendTooltip();
+}
+
+void ChartDrawer::AddValuesCnt(const QPen & rP, const QString & rN, const bool max)
+{
+ mEls.push_back(ChartDrawerData(rP, mXMax, rN));
+ mMarkMax.push_back(max);
+
+ MakeLegendTooltip();
+}
+
+void ChartDrawer::SetUnitName(const QString & rN)
+{
+ mUnitName = rN;
+}
+
+QString ChartDrawer::GetUnitName() const
+{
+ return mUnitName;
+}
+
+void ChartDrawer::mouseDoubleClickEvent ( QMouseEvent * evt )
+{
+ FindSetMax();
+
+ emit DoubleClicked(evt);
+}
+
+void ChartDrawer::EnableMaxDrawAt(const size_t at, const bool e)
+{
+ if(at >= mMarkMax.size())
+ {
+ return;
+ }
+
+ mMarkMax[at] = e;
+}
+
+void ChartDrawer::RemoveValuesCnt(const size_t idx)
+{
+ if(idx >= mEls.size())
+ {
+ return;
+ }
+
+ mEls.erase(mEls.begin() + idx);
+
+ if(idx <= mMarkMax.size())
+ {
+ mMarkMax.erase(mMarkMax.begin() + idx);
+ }
+
+ MakeLegendTooltip();
+
+}
+
+void ChartDrawer::Zero(const size_t idx)
+{
+ if(idx >= mEls.size())
+ {
+ return;
+ }
+
+ std::fill(mEls[idx].pmVals -> begin(), mEls[idx].pmVals -> end(), 0.0);
+
+ if(mAutoMax)
+ {
+ mYMax = 1;
+ }
+}
+
+void ChartDrawer::MakeLegendTooltip()
+{
+ QToolTip::remove(this);
+
+ QString helpstr(QString("<b>%1:</b><br><br>").arg(i18n("Legend")));
+ QMimeSourceFactory* factory = QMimeSourceFactory::defaultFactory();
+ std::vector<QImage> img;
+
+ for(size_t i = 0; i < mEls.size(); i++)
+ {
+ img.push_back(QImage(16,16, 32));
+ img[i].fill(mEls[i].GetPen() -> color().pixel());
+
+ for(uint8_t px = 0; px < 16; px++)
+ {
+ img[i].setPixel(px, 0, 0); //t
+ img[i].setPixel(0, px, 0); //l
+ img[i].setPixel(px, 15, 0); //b
+ img[i].setPixel(15, px, 0); //r
+ }
+
+ factory->setImage(mEls[i].GetName().replace(' ', '_') + "-" + QString::number(i), img[i]);
+ helpstr += QString("<img src='%1'>&nbsp;&nbsp;-&nbsp;&nbsp;%2<br>").arg(mEls[i].GetName().replace(" ", "_") + "-" + QString::number(i)).arg( mEls[i].GetName() );
+ }
+
+ QToolTip::add(this, helpstr);
+}
+
+void ChartDrawer::FindSetMax()
+{
+ wgtsize_t mymax = 1;
+
+ for(val_t::const_iterator it = mEls.begin(); it != mEls.end(); ++it)
+ {
+ for(ChartDrawerData::val_t::const_iterator subit = it -> pmVals -> begin(); subit != it -> pmVals -> end(); ++subit)
+ {
+ if ( (*subit) > mymax )
+ {
+ mymax = static_cast<wgtsize_t>(*subit) + 3;
+ }
+ }
+ }
+
+ mYMax = mymax;
+}
+
+void ChartDrawer::SetMaxMode(const MaxMode mm)
+{
+ mMMode = mm;
+}
+
+ChartDrawer::MaxMode ChartDrawer::GetMaxMode() const
+{
+ return mMMode;
+}
+
+} //NS end
+
+#include "ChartDrawer.moc"