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313 lines
8.0 KiB
313 lines
8.0 KiB
/***************************************************************************
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* Copyright (C) 2005 by *
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* Joris Guisson <joris.guisson@gmail.com> *
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* Vincent Wagelaar <vincent@ricardis.tudelft.nl> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#include <tqpainter.h>
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#include <tqpen.h>
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#include <tqbrush.h>
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#include <tqvaluelist.h>
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#include <tqpixmap.h>
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#include <math.h>
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#include <tqtooltip.h>
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#include <klocale.h>
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#include <tqmime.h>
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#include <tqimage.h>
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#include <util/log.h>
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#include <interfaces/torrentinterface.h>
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#include <util/bitset.h>
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#include <torrent/globals.h>
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#include "chunkbar.h"
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using namespace bt;
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using namespace kt;
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namespace kt
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{
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struct Range
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{
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int first,last;
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int fac;
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};
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static void FillAndFrameBlack(TQImage* image, uint color, int size)
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{
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image->fill(color);
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for (int i = 0; i < size; i++)
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{
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image->setPixel(0, i, 0);
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image->setPixel(size - 1, i, 0);
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image->setPixel(i, 0, 0);
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image->setPixel(i, size - 1, 0);
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}
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}
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static void InitializeToolTipImages(ChunkBar* bar)
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{
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static bool images_initialized = false;
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if (images_initialized)
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return;
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images_initialized = true;
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TQMimeSourceFactory* factory = TQMimeSourceFactory::defaultFactory();
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TQImage excluded(16, 16, 32);
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FillAndFrameBlack(&excluded, TQColor(bar->tqcolorGroup().color(TQColorGroup::Mid)).pixel(), 16);
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factory->setImage("excluded_color", excluded);
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TQImage available(16, 16, 32);
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FillAndFrameBlack(&available, bar->tqcolorGroup().highlight().pixel(), 16);
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factory->setImage("available_color", available);
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TQImage unavailable(16, 16, 32);
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FillAndFrameBlack(&unavailable, bar->tqcolorGroup().base().pixel(), 16);
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factory->setImage("unavailable_color", unavailable);
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}
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ChunkBar::ChunkBar(TQWidget *tqparent, const char *name)
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: TQFrame(tqparent, name),curr_tc(0)
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{
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setFrameShape(StyledPanel);
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setFrameShadow(Sunken);
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setLineWidth(3);
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setMidLineWidth(3);
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show_excluded = false;
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InitializeToolTipImages(this);
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TQToolTip::add(this, i18n("<img src=\"available_color\"> - Downloaded Chunks<br><img src=\"unavailable_color\"> - Chunks to Download<br><img src=\"excluded_color\"> - Excluded Chunks"));
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}
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ChunkBar::~ChunkBar()
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{}
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void ChunkBar::updateBar()
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{
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const BitSet & bs = getBitSet();
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TQSize s = contentsRect().size();
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bool changed = !(curr == bs);
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if (show_excluded && curr_tc)
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{
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BitSet ebs = curr_tc->excludedChunksBitSet();
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ebs.orBitSet(curr_tc->onlySeedChunksBitSet()),
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changed = changed || !(curr_ebs == ebs);
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curr_ebs = ebs;
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}
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if (changed || pixmap.isNull() || pixmap.width() != s.width())
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{
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// PROFILE("ChunkBar::updateBar");
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// Out() << "Pixmap : " << s.width() << " " << s.height() << endl;
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pixmap.resize(s);
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pixmap.fill(tqcolorGroup().color(TQColorGroup::Base));
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TQPainter painter(&pixmap);
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drawBarContents(&painter);
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update();
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}
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}
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void ChunkBar::drawContents(TQPainter *p)
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{
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// first draw background
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if (isEnabled())
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p->setBrush(tqcolorGroup().base());
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else
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p->setBrush(tqcolorGroup().background());
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p->setPen(TQt::NoPen);
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p->drawRect(contentsRect());
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if (isEnabled())
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p->drawPixmap(contentsRect(),pixmap);
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}
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void ChunkBar::setTC(kt::TorrentInterface* tc)
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{
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curr_tc = tc;
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TQSize s = contentsRect().size();
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//Out() << "Pixmap : " << s.width() << " " << s.height() << endl;
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pixmap.resize(s);
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pixmap.fill(tqcolorGroup().color(TQColorGroup::Base));
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TQPainter painter(&pixmap);
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drawBarContents(&painter);
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update();
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}
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void ChunkBar::drawBarContents(TQPainter *p)
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{
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p->saveWorldMatrix();
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if (curr_tc)
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{
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const TorrentStats & s = curr_tc->getStats();
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Uint32 w = contentsRect().width();
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const BitSet & bs = getBitSet();
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curr = bs;
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if (bs.allOn())
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drawAllOn(p,tqcolorGroup().highlight());
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else if (s.total_chunks > w)
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drawMoreChunksThenPixels(p,bs,tqcolorGroup().highlight());
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else
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drawEqual(p,bs,tqcolorGroup().highlight());
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if (show_excluded && s.num_chunks_excluded > 0)
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{
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TQColor c = tqcolorGroup().color(TQColorGroup::Mid);
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if (curr_ebs.allOn())
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drawAllOn(p,c);
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else if (s.total_chunks > w)
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drawMoreChunksThenPixels(p,curr_ebs,c);
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else
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drawEqual(p,curr_ebs,c);
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}
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}
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p->restoreWorldMatrix();
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}
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void ChunkBar::drawEqual(TQPainter *p,const BitSet & bs,const TQColor & color)
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{
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//p->setPen(TQPen(tqcolorGroup().highlight(),1,TQt::SolidLine));
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TQColor c = color;
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Uint32 w = contentsRect().width();
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double scale = 1.0;
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Uint32 total_chunks = curr_tc->getStats().total_chunks;
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if (curr_tc->getStats().total_chunks != w)
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scale = (double)w / total_chunks;
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p->setPen(TQPen(c,1,TQt::SolidLine));
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p->setBrush(c);
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TQValueList<Range> rs;
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for (Uint32 i = 0;i < bs.getNumBits();i++)
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{
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if (!bs.get(i))
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continue;
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if (rs.empty())
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{
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Range r = {i,i,0};
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rs.append(r);
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}
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else
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{
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Range & l = rs.last();
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if (l.last == int(i - 1))
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{
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l.last = i;
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}
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else
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{
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Range r = {i,i,0};
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rs.append(r);
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}
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}
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}
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TQRect r = contentsRect();
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for (TQValueList<Range>::iterator i = rs.begin();i != rs.end();++i)
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{
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Range & ra = *i;
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int rw = ra.last - ra.first + 1;
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p->drawRect((int)(scale * ra.first),0,(int)(rw * scale),r.height());
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}
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}
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void ChunkBar::drawMoreChunksThenPixels(TQPainter *p,const BitSet & bs,const TQColor & color)
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{
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Uint32 w = contentsRect().width();
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double chunks_per_pixel = (double)bs.getNumBits() / w;
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TQValueList<Range> rs;
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for (Uint32 i = 0;i < w;i++)
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{
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Uint32 num_dl = 0;
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Uint32 jStart = (Uint32) (i*chunks_per_pixel);
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Uint32 jEnd = (Uint32) ((i+1)*chunks_per_pixel+0.5);
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for (Uint32 j = jStart;j < jEnd;j++)
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if (bs.get(j))
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num_dl++;
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if (num_dl == 0)
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continue;
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int fac = int(100*((double)num_dl / (jEnd - jStart)) + 0.5);
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if (rs.empty())
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{
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Range r = {i,i,fac};
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rs.append(r);
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}
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else
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{
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Range & l = rs.last();
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if (l.last == int(i - 1) && l.fac == fac)
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{
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l.last = i;
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}
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else
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{
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Range r = {i,i,fac};
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rs.append(r);
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}
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}
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}
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TQRect r = contentsRect();
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for (TQValueList<Range>::iterator i = rs.begin();i != rs.end();++i)
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{
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Range & ra = *i;
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int rw = ra.last - ra.first + 1;
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int fac = ra.fac;
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TQColor c = color;
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if (fac < 100)
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{
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// do some rounding off
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if (fac <= 25)
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fac = 25;
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else if (fac <= 50)
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fac = 45;
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else
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fac = 65;
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c = color.light(200-fac);
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}
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p->setPen(TQPen(c,1,TQt::SolidLine));
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p->setBrush(c);
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p->drawRect(ra.first,0,rw,r.height());
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}
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}
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void ChunkBar::drawAllOn(TQPainter *p,const TQColor & color)
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{
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p->setPen(TQPen(color,1,TQt::SolidLine));
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p->setBrush(color);
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TQSize s = contentsRect().size();
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p->drawRect(0,0,s.width(),s.height());
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}
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}
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#include "chunkbar.moc"
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