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tdetoys/kworldwatch/zoneclock.cpp

291 lines
7.0 KiB

/*
**
** Copyright (C) 1998-2001 by Matthias H<>lzer-Kl<4B>pfel <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
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif // HAVE_CONFIG_H
#include <stdlib.h>
#include <time.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqdatetime.h>
#include <tqtimer.h>
#include <tqcombobox.h>
#include <tqlineedit.h>
#include <tqpopupmenu.h>
#include <kglobal.h>
#include <klocale.h>
#include <tdeconfig.h>
#include "flow.h"
#include "clock.h"
#include "cities.h"
#include "zoneclock.moc"
#include <kdebug.h>
ZoneClock::ZoneClock(const TQString &zone, const TQString &name, TQWidget *parent, const char *n)
: TQFrame(parent, n), _zone(zone), _name(name)
{
setFrameStyle(TQFrame::Panel | TQFrame::Raised);
TQHBoxLayout *hbox = new TQHBoxLayout(this, 2,2);
_name.append(":");
_nameLabel = new TQLabel(_name, this);
hbox->addWidget(_nameLabel, 1);
hbox->addSpacing(4);
_timeLabel = new TQLabel(this);
hbox->addWidget(_timeLabel, 0, TQt::AlignRight);
_popup = new TQPopupMenu(this);
_popup->insertItem(i18n("&Edit..."), this, TQT_SLOT(editClock()));
_popup->insertItem(i18n("&Add..."), this, TQT_SLOT(slotAddClock()));
_popup->insertItem(i18n("&Remove"), this, TQT_SLOT(slotRemoveClock()));
_nameLabel->installEventFilter(this);
_timeLabel->installEventFilter(this);
updateTime();
}
void ZoneClock::slotRemoveClock()
{
// Note: this is stupid, but we can't get us deleted
// from this slot, as we would return and crash.
// So instead we fire up an idle event triggering the delete
// after the return.
TQTimer::singleShot(0, this, TQT_SLOT(removeTimeout()));
}
void ZoneClock::removeTimeout()
{
emit removeMe(this);
}
void ZoneClock::slotAddClock()
{
emit addClock(_zone);
}
void ZoneClock::editClock()
{
ClockDialog *_dlg = new ClockDialog(this, 0, true);
CityList cities;
TQStringList timezones = cities.timezones();
for (TQStringList::iterator it = timezones.begin(); it != timezones.end(); ++it)
_dlg->ClockZone->insertItem(i18n((*it).utf8()));
_dlg->ClockCaption->setText(_nameLabel->text().left(_nameLabel->text().length()-1));
for (int i=0; i<_dlg->ClockZone->count(); ++i)
if (_dlg->ClockZone->text(i) == i18n(_zone.utf8()))
{
_dlg->ClockZone->setCurrentItem(i);
break;
}
if (_dlg->exec() == TQDialog::Accepted)
{
_zone = timezones[_dlg->ClockZone->currentItem()];
_name = _dlg->ClockCaption->text().append(":");
_nameLabel->setText(_dlg->ClockCaption->text().append(":"));
updateTime();
layout()->invalidate();
emit changed();
}
delete _dlg;
}
bool ZoneClock::eventFilter(TQObject *obj, TQEvent *ev)
{
if (ev->type() == TQEvent::MouseButtonPress)
{
TQMouseEvent *e = (TQMouseEvent*)ev;
if (e->button() == Qt::RightButton)
_popup->exec(e->globalPos());
}
return TQFrame::eventFilter(obj, ev);
}
void ZoneClock::updateTime()
{
char *initial_TZ = getenv("TZ");
setenv("TZ", _zone.latin1(), 1);
tzset();
time_t t = time(NULL);
TQDateTime dt;
dt.setTime_t(t);
_timeLabel->setText(TQString("%1, %2").arg(TDEGlobal::locale()->formatTime(dt.time(), true)).arg(TDEGlobal::locale()->formatDate(dt.date(), true)));
if (initial_TZ != 0)
setenv("TZ", initial_TZ, 1);
else
unsetenv("TZ");
tzset();
}
ZoneClockPanel::ZoneClockPanel(TQWidget *parent, const char *name)
: TQFrame(parent, name), _dlg(0)
{
_flow = new SimpleFlow(this,1,1);
TQTimer *t = new TQTimer(this);
connect(t, TQT_SIGNAL(timeout()), this, TQT_SLOT(updateTimer()));
t->start(500);
_clocks.setAutoDelete(true);
}
void ZoneClockPanel::createDialog()
{
if (!_dlg)
{
_dlg = new ClockDialog(this, 0, true);
CityList cities;
TQStringList timezones = cities.timezones();
for (TQStringList::iterator it = timezones.begin(); it != timezones.end(); ++it)
_dlg->ClockZone->insertItem(i18n((*it).utf8()));
}
}
void ZoneClockPanel::addClock(const TQString &zone, const TQString &name)
{
// add the clocks
ZoneClock *zc = new ZoneClock(zone, name, this);
_flow->add(zc);
_clocks.append(zc);
zc->show();
realign();
connect(zc, TQT_SIGNAL(addClock(const TQString &)), this, TQT_SLOT(addClock(const TQString &)));
connect(zc, TQT_SIGNAL(changed()), this, TQT_SLOT(realign()));
connect(zc, TQT_SIGNAL(removeMe(ZoneClock *)), this, TQT_SLOT(removeClock(ZoneClock *)));
}
void ZoneClockPanel::removeClock(ZoneClock *clock)
{
_clocks.remove(clock);
realign();
}
void ZoneClockPanel::realign()
{
// realign the labels
int w = 0;
TQPtrListIterator<ZoneClock> it(_clocks);
for ( ; it.current(); ++it)
if (it.current()->sizeHint().width() > w)
w = it.current()->sizeHint().width();
it.toFirst();
for ( ; it.current(); ++it)
it.current()->setFixedWidth(w);
}
void ZoneClockPanel::updateTimer()
{
TQPtrListIterator<ZoneClock> it(_clocks);
for ( ; it.current(); ++it)
it.current()->updateTime();
}
void ZoneClockPanel::addClock(const TQString &zone)
{
createDialog();
_dlg->ClockCaption->setText(i18n(zone.utf8()).section('/', -1));
for (int i=0; i<_dlg->ClockZone->count(); ++i)
if (_dlg->ClockZone->text(i) == i18n(zone.utf8()))
{
_dlg->ClockZone->setCurrentItem(i);
break;
}
if (_dlg->exec() == TQDialog::Accepted)
{
CityList cities;
TQStringList timezones = cities.timezones();
TQString newzone = timezones[_dlg->ClockZone->currentItem()];
addClock(newzone, _dlg->ClockCaption->text());
update();
}
}
void ZoneClockPanel::save(TDEConfig *config)
{
config->writeEntry("Clocks", _clocks.count());
TQPtrListIterator<ZoneClock> it(_clocks);
int cnt=0;
for ( ; it.current(); ++it)
{
TQString n = it.current()->name();
n = n.left(n.length()-1);
config->writeEntry(TQString("Clock_%1_Name").arg(cnt), n);
config->writeEntry(TQString("Clock_%1_Zone").arg(cnt), it.current()->zone());
cnt++;
}
}
void ZoneClockPanel::load(TDEConfig *config)
{
_clocks.clear();
int num = config->readNumEntry("Clocks", 0);
for (int i=0; i<num; ++i)
{
addClock(config->readEntry(TQString("Clock_%1_Zone").arg(i)), config->readEntry(TQString("Clock_%1_Name").arg(i)));
}
}