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tdetoys/kweather/dockwidget.cpp

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/***************************************************************************
dockwidget.cpp - description
-------------------
begin : Thu Jul 6 2000
copyright : (C) 2000-2003 by Ian Reinhart Geiser
: (C) 2002-2003 Nadeem Hasan <nhasan@kde.org>
email : geiseri@msoe.edu
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include "dockwidget.h"
#include "weatherbutton.h"
#include "weatherservice_stub.h"
#include <tqtooltip.h>
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqtimer.h>
#include <tqobjectlist.h>
#include <kdebug.h>
#include <kglobalsettings.h>
#include <klocale.h>
dockwidget::dockwidget(const TQString &location, TQWidget *tqparent,
const char *name) : TQWidget(tqparent,name), m_locationCode( location ), m_orientation(Qt::Horizontal )
{
m_font = KGlobalSettings::generalFont();
setBackgroundOrigin( AncestorOrigin );
initDock();
connect(m_button, TQT_SIGNAL( clicked() ), TQT_SIGNAL( buttonClicked() ));
m_weatherService = new WeatherService_stub( "KWeatherService", "WeatherService" );
}
dockwidget::~dockwidget()
{
delete m_weatherService;
}
void dockwidget::setLocationCode(const TQString &locationCode)
{
m_locationCode = locationCode;
showWeather();
}
void dockwidget::setViewMode(int _mode)
{
kdDebug(12004) << "View mode " << _mode << endl;
m_mode = _mode;
if (m_mode == ShowIconOnly)
{
m_lblTemp->hide();
m_lblWind->hide();
m_lblPres->hide();
}
else if (m_mode == ShowTempOnly)
{
m_lblTemp->show();
m_lblWind->hide();
m_lblPres->hide();
}
else if (m_mode == ShowAll)
{
m_lblTemp->show();
m_lblWind->show();
m_lblPres->show();
}
}
void dockwidget::showWeather()
{
TQString tip = "<qt>";
TQString temp = "?";
TQString wind = "?";
TQString pressure = "?";
if ( !m_locationCode.isEmpty() )
{
temp = m_weatherService->temperature( m_locationCode );
wind = m_weatherService->wind( m_locationCode );
pressure = m_weatherService->pressure( m_locationCode );
TQString dewPoint = m_weatherService->dewPoint( m_locationCode);
TQString relHumidity = m_weatherService->relativeHumidity( m_locationCode );
TQString heatIndex = m_weatherService->heatIndex( m_locationCode );
TQString windChill = m_weatherService->windChill( m_locationCode );
TQString sunRiseTime = m_weatherService->sunRiseTime( m_locationCode );
TQString sunSetTime = m_weatherService->sunSetTime( m_locationCode );
tip += "<h3><center><nobr>" +
m_weatherService->stationName( m_locationCode ) + " (" +
m_weatherService->stationCountry( m_locationCode ) + ")</nobr></center></h3>";
if ( m_weatherService->currentIconString( m_locationCode ) == "dunno" ) // no data
tip += "<center><nobr>" + i18n("The network is currently offline...") + "</nobr></center>";
tip += TQString("<br><table>"
"<tr><th><nobr>" + i18n( "Temperature:" ) + "</nobr></th><td><nobr>%1</nobr></td>"
"<th><nobr>" + i18n( "Dew Point:" ) + "</nobr></th><td><nobr>%2</nobr></td></nobr></tr>"
"<tr><th><nobr>" + i18n( "Air Pressure:" ) + "</nobr></th><td><nobr>%3</nobr></td>"
"<th><nobr>" + i18n( "Rel. Humidity:" ) + "</nobr></th><td><nobr>%4</nobr></td></nobr></tr>"
"<tr><th><nobr>" + i18n( "Wind Speed:" ) + "</nobr></th><td><nobr>%5</nobr></td>")
.tqarg(temp).tqarg(dewPoint).tqarg(pressure).tqarg(relHumidity).tqarg(wind);
if ( !heatIndex.isEmpty() )
tip += TQString("<th><nobr>" + i18n( "Heat Index:" ) + "</nobr></th><td><nobr>%1</nobr></td>").tqarg(heatIndex);
else if ( !windChill.isEmpty() )
tip += TQString("<th><nobr>" + i18n( "Wind Chill:" ) + "</nobr></th><td><nobr>%1</nobr></td>").tqarg(windChill);
else
tip += "<td>&nbsp;</td><td>&nbsp;</td>";
tip += "</tr>";
tip += TQString("<tr><th><nobr>" + i18n( "Sunrise:" ) + "</nobr></th><td><nobr>%1</nobr></td>" +
"<th><nobr>" + i18n( "Sunset:" ) + "</nobr></th><td><nobr>%2</nobr></td>")
.tqarg(sunRiseTime).tqarg(sunSetTime);
tip += "</tr></table>";
if ( m_weatherService->stationNeedsMaintenance( m_locationCode ) )
{
tip += "<br>" + i18n("Station reports that it needs maintenance\n"
"Please try again later");
}
}
else
{
tip += i18n("Temperature: ") + temp + "<br>";
tip += i18n("\nWind: ") + wind + "<br>";
tip += i18n("\nAir pressure: ") + pressure + "<br>";
}
tip += "</qt>";
// On null or empty location code, or if the station needs maintenance, this will return the dunno icon.
TQPixmap icon = m_weatherService->icon( m_locationCode );
TQToolTip::remove(this);
TQToolTip::add(this, tip);
kdDebug(12004) << "show weather: " << endl;
kdDebug(12004) << "location: " << m_locationCode << endl;
kdDebug(12004) << "temp,wind,pressure: " << temp << " " << wind << " " << pressure << endl;
kdDebug(12004) << "tip: " << tip << endl;
m_lblTemp->setText(temp);
m_lblWind->setText(wind);
m_lblPres->setText(pressure);
m_button->setPixmap( icon );
}
void dockwidget::initDock()
{
kdDebug(12004) << "Init dockwidget " << endl;
m_button= new WeatherButton(this,"m_button");
m_lblTemp= new TQLabel(this,"lblTemp");
m_lblWind= new TQLabel(this,"lblWind");
m_lblPres= new TQLabel(this,"lblPres");
m_lblTemp->setBackgroundOrigin(AncestorOrigin);
m_lblWind->setBackgroundOrigin(AncestorOrigin);
m_lblPres->setBackgroundOrigin(AncestorOrigin);
m_lblTemp->setMargin(0);
m_lblWind->setMargin(0);
m_lblPres->setMargin(0);
TQBoxLayout *mainLayout = new TQBoxLayout(this, TQBoxLayout::TopToBottom);
mainLayout->setSpacing(0);
mainLayout->setMargin(0);
mainLayout->addWidget(m_button, 0, TQt::AlignCenter);
TQBoxLayout *tqlayout = new TQBoxLayout(mainLayout, TQBoxLayout::TopToBottom);
tqlayout->setSpacing(0);
tqlayout->setMargin(0);
tqlayout->addWidget(m_lblTemp);
tqlayout->addWidget(m_lblWind);
tqlayout->addWidget(m_lblPres);
mainLayout->addSpacing(8);
updateFont();
TQTimer::singleShot( 0, this, TQT_SLOT( showWeather() ) );
}
/** resize the view **/
void dockwidget::resizeView( const TQSize &size )
{
kdDebug(12004) << "Changing to size " << size << endl;
resize(size);
if ( m_orientation ==Qt::Horizontal ) // Kicker in horizontal mode
{
int h = size.height();
if ( m_mode == ShowAll )
{
if ( h <= 128 ) // left to right tqlayout
{
static_cast<TQBoxLayout*>(tqlayout())->setDirection(TQBoxLayout::LeftToRight);
m_lblTemp->tqsetAlignment(TQt::AlignAuto | TQt::AlignVCenter);
m_lblWind->tqsetAlignment(TQt::AlignAuto | TQt::AlignVCenter);
m_lblPres->tqsetAlignment(TQt::AlignAuto | TQt::AlignVCenter);
}
else // top to bottom
{
static_cast<TQBoxLayout*>(tqlayout())->setDirection(TQBoxLayout::TopToBottom);
TQFontMetrics fm(m_font);
h = 128 - (3 * fm.height()); // 3 lines of text below the button
m_lblTemp->tqsetAlignment(TQt::AlignCenter);
m_lblWind->tqsetAlignment(TQt::AlignCenter);
m_lblPres->tqsetAlignment(TQt::AlignCenter);
}
m_button->setFixedSize(h, h);
}
else if ( m_mode == ShowTempOnly )
{
if ( h <= 32 ) // left to right
{
static_cast<TQBoxLayout*>(tqlayout())->setDirection(TQBoxLayout::LeftToRight);
m_lblTemp->tqsetAlignment(TQt::AlignAuto | TQt::AlignVCenter);
}
else // top to bottom
{
static_cast<TQBoxLayout*>(tqlayout())->setDirection(TQBoxLayout::TopToBottom);
TQFontMetrics fm(m_font);
h = TQMIN(128, h) - fm.height();
m_lblTemp->tqsetAlignment(TQt::AlignCenter);
}
m_button->setFixedSize(h, h);
}
else
{
h = TQMIN(h, 128);
m_button->setFixedSize(h, h);
}
}
else // Kicker in vertical mode
{
int w = size.width();
int h = size.height();
if ( m_mode == ShowAll )
{
if ( w <= 128 ) // top to bottom
{
static_cast<TQBoxLayout*>(tqlayout())->setDirection(TQBoxLayout::TopToBottom);
m_lblTemp->tqsetAlignment(TQt::AlignCenter);
m_lblWind->tqsetAlignment(TQt::AlignCenter);
m_lblPres->tqsetAlignment(TQt::AlignCenter);
TQFontMetrics fm(m_font);
h = h - (3 * fm.height()); // 3 lines of text below the button
h = TQMIN(w, h);
}
else // left to right tqlayout
{
static_cast<TQBoxLayout*>(tqlayout())->setDirection(TQBoxLayout::LeftToRight);
m_lblTemp->tqsetAlignment(TQt::AlignAuto | TQt::AlignVCenter);
m_lblWind->tqsetAlignment(TQt::AlignAuto | TQt::AlignVCenter);
m_lblPres->tqsetAlignment(TQt::AlignAuto | TQt::AlignVCenter);
}
m_button->setFixedSize(h, h);
}
else if ( m_mode == ShowTempOnly )
{
if ( w <= 128 ) // top to bottom
{
static_cast<TQBoxLayout*>(tqlayout())->setDirection(TQBoxLayout::TopToBottom);
m_lblTemp->tqsetAlignment(TQt::AlignCenter);
h = w;
}
else // left to right tqlayout
{
static_cast<TQBoxLayout*>(tqlayout())->setDirection(TQBoxLayout::LeftToRight);
m_lblTemp->tqsetAlignment(TQt::AlignAuto | TQt::AlignVCenter);
h = static_cast<int>(w * 0.33);
}
m_button->setFixedSize(h, h);
}
else
{
w = TQMIN(w, 128);
m_button->setFixedSize(w, w);
}
}
}
int dockwidget::widthForHeight(int h)
{
int w;
TQFontInfo fi(KGlobalSettings::generalFont());
if ( m_mode == ShowAll )
{
if ( h <= 128 ) // left to right tqlayout
{
int pixelSize = h/3 - 3;
pixelSize = TQMIN(pixelSize, fi.pixelSize()); // don't make it too large
m_font.setPixelSize(pixelSize);
TQFontMetrics fm(m_font);
w = h + TQMAX(fm.width(m_lblWind->text()), fm.width(m_lblPres->text())) + 1;
}
else // top to bottom
{
if ( fi.pixelSize() * 3 <= (h/2) ) // half icon, half text
{
m_font = KGlobalSettings::generalFont();
}
else
{
m_font.setPixelSize(h/2/3);
}
TQFontMetrics fm(m_font);
// size of icon
h = 128 - (3 * fm.height()); // 3 lines of text below the button
w = TQMAX(fm.width(m_lblWind->text()), fm.width(m_lblPres->text())) + 1;
w = TQMAX(h, w); // at least width of square icon
}
}
else if ( m_mode == ShowTempOnly )
{
if ( h <= 32 ) // left to right tqlayout
{
int pixelSize = h - 3;
pixelSize = TQMIN(pixelSize, fi.pixelSize()); // don't make it too large
m_font.setPixelSize(pixelSize);
TQFontMetrics fm(m_font);
w = h + fm.width(m_lblTemp->text()) + 1;
}
else // top to bottom
{
if ( fi.pixelSize() <= (h/2) ) // half icon, half text
{
m_font = KGlobalSettings::generalFont();
}
else
{
m_font.setPixelSize(h/2);
}
TQFontMetrics fm(m_font);
// size of icon
h = TQMIN(128, h) - fm.height();
w = fm.width(m_lblTemp->text()) + 1;
w = TQMAX(h, w); // at least width of square icon
}
}
else
{
w = TQMIN(128, h); // don't make it too large
}
updateFont();
return w + 4;
}
int dockwidget::heightForWidth( int w )
{
int h;
if ( m_mode == ShowAll )
{
TQFontMetrics fmg(KGlobalSettings::generalFont());
int maxWidth = fmg.width("888 km/h NNWW"); // a good approximation
if ( w <= 128 ) // top to bottom
{
if ( maxWidth <= w ) // enough space to use global font
{
m_font = KGlobalSettings::generalFont();
}
else // we have to reduce the fontsize
{
m_font.setPixelSize(static_cast<int>(fmg.height() * double(w) / maxWidth));
}
TQFontMetrics fm(m_font);
h = w + (3 * fm.height()); // 3 lines of text below the button
}
else
{
if ( w >= (maxWidth * 1.5) ) // half of text width shall be icon
{
m_font = KGlobalSettings::generalFont();
}
else
{
m_font.setPixelSize(static_cast<int>(fmg.height() * (w*0.66) / maxWidth));
}
TQFontMetrics fm(m_font);
h = 3 * fm.height(); // 3 lines of text
}
}
else if ( m_mode == ShowTempOnly )
{
TQFontMetrics fmg(KGlobalSettings::generalFont());
int maxWidth = fmg.width("888.88 CC"); // a good approximation
if ( w <= 128 ) // top to bottom
{
if ( maxWidth <= w ) // enough space to use global font
{
m_font = KGlobalSettings::generalFont();
}
else // we have to reduce the fontsize
{
m_font.setPixelSize(static_cast<int>(fmg.height() * double(w) / maxWidth));
}
TQFontMetrics fm(m_font);
h = w + fm.height(); // text below the button
}
else
{
if ( w >= (maxWidth * 1.5) ) // half of text width shall be icon
{
m_font = KGlobalSettings::generalFont();
}
else
{
m_font.setPixelSize(static_cast<int>(fmg.height() * (w*0.66) / maxWidth));
}
TQFontMetrics fm(m_font);
h = TQMAX(fm.height(), static_cast<int>(w * 0.33));
}
}
else
{
h = TQMIN(128, w); // don't make it too large
}
updateFont();
return h;
}
void dockwidget::updateFont()
{
//kdDebug(12004) << "Update font: " << m_font.pixelSize() << endl;
m_lblTemp->setFont(m_font);
m_lblWind->setFont(m_font);
m_lblPres->setFont(m_font);
}
#include "dockwidget.moc"
// vim:ts=4:sw=4:et