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/kdetoys@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 208 insertions, 0 deletions

diff --git a/kworldwatch/cities.cpp b/kworldwatch/cities.cpp
new file mode 100644
index 0000000..624c814
--- /dev/null
+++ b/kworldwatch/cities.cpp
@@ -0,0 +1,208 @@
+/*
+**
+** Copyright (C) 1998-2001 by Matthias Hölzer-Klüpfel <hoelzer@kde.org>
+**	Maintainence has ceased - send questions to kde-devel@kde.org.
+**
+*/
+
+/*
+** 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 in a file called COPYING; if not, write to
+** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+** MA 02110-1301, USA.
+*/
+
+/*
+** Bug reports and questions can be sent to kde-devel@kde.org
+*/
+#include <qfile.h>
+#include <qtextstream.h>
+#include <qregexp.h>
+#include <qpainter.h>
+
+
+#include <kglobal.h>
+#include <kstandarddirs.h>
+
+
+#include "cities.h"
+
+
+CityList::CityList()
+{
+  readCityLists();
+}
+
+CityList::~CityList()
+{
+  _cities.setAutoDelete(true);
+  _cities.clear();
+}
+
+void CityList::readCityLists()
+{
+  QStringList lists = KGlobal::dirs()->findAllResources("data", "kworldclock/*.tab");
+  for (QStringList::Iterator it = lists.begin(); it != lists.end(); ++it)
+    readCityList(*it);
+}
+
+
+double coordinate(QString c)
+{
+  int neg;
+  int d=0, m=0, s=0;
+
+  neg = c.left(1) == "-";
+  c.remove(0,1);
+
+  switch (c.length())
+    {
+    case 4:
+      d = c.left(2).toInt();
+      m = c.mid(2).toInt();
+      break;
+    case 5:
+      d = c.left(3).toInt();
+      m = c.mid(3).toInt();
+      break;
+    case 6:
+      d = c.left(2).toInt();
+      m = c.mid(2,2).toInt();
+      s = c.right(2).toInt();
+      break;
+    case 7:
+      d = c.left(3).toInt();
+      m = c.mid(3,2).toInt();
+      s = c.right(2).toInt();
+      break;
+    default:
+      break;
+    }
+
+  if (neg)
+    return - (d + m/60.0 + s/3600.0);
+  else
+    return d + m/60.0 + s/3600.0;
+}
+
+
+void CityList::readCityList(const QString &fname)
+{
+  QFile f(fname);
+
+  if (f.open(IO_ReadOnly))
+    {
+      QTextStream is(&f);
+
+      QString line;
+      QStringList tags;
+      QRegExp coord("[+-]\\d+[+-]\\d+");
+      QRegExp name("[^\\s]+/[^\\s]+");
+      int pos;
+      while (!is.eof())
+	{
+	  line = is.readLine().stripWhiteSpace();
+	  if (line.isEmpty() || line.left(1) == "#")
+	    continue;
+
+	  QString c, n;
+	  
+	  pos = coord.search(line, 0);
+	  if (pos >= 0)
+	    c = line.mid(pos, coord.matchedLength());
+	  
+	  pos = name.search(line, pos);
+	  if (pos > 0)
+	    n = line.mid(pos, name.matchedLength()).stripWhiteSpace();
+
+	  if (!c.isEmpty() && !n.isEmpty())
+	    {
+	      double la, lo;
+	      pos = c.find("+", 1);
+	      if (pos < 0)
+		pos = c.find("-", 1);
+	      if (pos > 0)
+		{
+		  la = coordinate(c.left(pos));
+		  lo = coordinate(c.mid(pos));
+		  _cities.append(new City(n.latin1(), la, lo));
+		}
+	    }
+	}
+
+      f.close();
+    }
+}
+
+
+QPoint CityList::getPosition(double la, double lo, int w, int h, int offset)
+{
+  int x = (int)((double)w * (180.0 + lo) / 360.0);
+  int y = (int)((double)h * (90.0 - la) / 180.0);
+  x = (x + offset + w/2) % w;
+
+  return QPoint(x,y);
+}
+
+
+void CityList::paint(QPainter *p, int width, int height, int offset)
+{
+  p->setPen(Qt::black);
+
+  QPtrListIterator<City> it(_cities);
+  for ( ; it.current(); ++it)
+    {
+      QPoint pos = getPosition(it.current()->latitude(), it.current()->longitude(), width, height, offset);
+
+      if (width > 100)
+	p->drawEllipse(pos.x(), pos.y(), 3,3);
+      else
+	p->drawPoint(pos);
+    }
+}
+
+
+City *CityList::getNearestCity(int w, int h, int offset, int x, int y, QPoint &where)
+{
+  City *result = 0;
+  double dist = 1.0e10;
+  
+  QPtrListIterator<City> it(_cities);
+  for ( ; it.current(); ++it)
+    {
+      QPoint pos = getPosition(it.current()->latitude(), it.current()->longitude(), w, h, offset);
+  
+      double d = (pos.x()-x)*(pos.x()-x) + (pos.y()-y)*(pos.y()-y);
+      if (d < dist)
+	{
+	  dist = d;
+          where = pos;
+          result = it.current();
+	}       
+    }
+
+  return result;
+}
+
+
+QStringList CityList::timezones()
+{
+  QStringList r;
+
+  QPtrListIterator<City> it(_cities);
+  for ( ; it.current(); ++it)
+    r << it.current()->name();
+  r.sort();
+
+  return r;
+}