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tdetoys/kworldwatch/flags.cpp

146 lines
3.6 KiB

/*
**
** 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 <limits.h>
#include <kstandarddirs.h>
#include "flags.h"
FlagList::FlagList()
{
_flags.setAutoDelete(true);
_flagPixmap = TQPixmap(locate("data", "kworldclock/pics/flag.png"));
_flagMask = TQPixmap(locate("data", "kworldclock/pics/flag-mask.xpm"), 0, TQPixmap::ThresholdDither);
_flagMask.setMask(_flagMask.createHeuristicMask());
}
void FlagList::addFlag(Flag *f)
{
_flags.append(f);
}
TQPoint FlagList::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 TQPoint(x,y);
}
void FlagList::paint(TQPainter *p, int width, int height, int offset)
{
p->setPen(TQt::black);
TQPtrListIterator<Flag> it(_flags);
for ( ; it.current(); ++it)
{
TQPoint pos = getPosition(it.current()->latitude(), it.current()->longitude(), width, height, offset);
p->setPen(it.current()->color());
p->setBrush(it.current()->color());
if (width > 100)
{
pos -= TQPoint(5,15);
p->drawPixmap(pos,_flagMask);
p->drawPixmap(pos,_flagPixmap);
}
else
p->drawEllipse(pos.x()-1, pos.y()-1, 3, 3);
}
}
void FlagList::removeNearestFlag(const TQPoint &target, int w, int h, int offset)
{
Flag *flag = 0;
TQPoint diff;
int dist = INT_MAX;
TQPtrListIterator<Flag> it(_flags);
for ( ; it.current(); ++it)
{
diff = getPosition(it.current()->latitude(), it.current()->longitude(), w, h, offset);
diff -= target;
if (diff.manhattanLength() < dist)
{
dist = diff.manhattanLength();
flag = it.current();
}
}
if (flag)
_flags.remove(flag);
}
void FlagList::removeAllFlags()
{
_flags.clear();
}
void FlagList::save(KConfig *config)
{
config->writeEntry("Flags", _flags.count());
TQPtrListIterator<Flag> it(_flags);
int cnt=0;
for ( ; it.current(); ++it)
{
config->writeEntry(TQString("Flag_%1_Color").tqarg(cnt), it.current()->color());
config->writeEntry(TQString("Flag_%1_Latitude").tqarg(cnt), it.current()->latitude());
config->writeEntry(TQString("Flag_%1_Longitude").tqarg(cnt), it.current()->longitude());
cnt++;
}
}
void FlagList::load(KConfig *config)
{
_flags.clear();
int num = config->readNumEntry("Flags", 0);
for (int i=0; i<num; ++i)
{
addFlag(new Flag(config->readDoubleNumEntry(TQString("Flag_%1_Longitude").tqarg(i)),
config->readDoubleNumEntry(TQString("Flag_%1_Latitude").tqarg(i)),
config->readColorEntry(TQString("Flag_%1_Color").tqarg(i))));
}
}