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, 467 insertions, 0 deletions

diff --git a/kweather/dockwidget.cpp b/kweather/dockwidget.cpp
new file mode 100644
index 0000000..6d9dd92
--- /dev/null
+++ b/kweather/dockwidget.cpp
@@ -0,0 +1,467 @@
+/***************************************************************************
+                          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 <qtooltip.h>
+#include <qlayout.h>
+#include <qlabel.h>
+#include <qtimer.h>
+#include <qobjectlist.h>
+
+#include <kdebug.h>
+#include <kglobalsettings.h>
+#include <klocale.h>
+
+dockwidget::dockwidget(const QString &location, QWidget *parent,
+        const char *name) : QWidget(parent,name), m_locationCode( location ), m_orientation( Horizontal )
+{
+    m_font = KGlobalSettings::generalFont();
+    setBackgroundOrigin( AncestorOrigin );
+    initDock();
+    connect(m_button, SIGNAL( clicked() ), SIGNAL( buttonClicked() ));
+
+    m_weatherService = new WeatherService_stub( "KWeatherService", "WeatherService" );
+}
+
+dockwidget::~dockwidget()
+{
+    delete m_weatherService;
+}
+
+void dockwidget::setLocationCode(const QString &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()
+{
+    QString tip = "<qt>";
+
+    QString temp     = "?";
+    QString wind     = "?";
+    QString pressure = "?";
+
+    if ( !m_locationCode.isEmpty() )
+    {
+        temp     = m_weatherService->temperature( m_locationCode );
+        wind     = m_weatherService->wind( m_locationCode );
+        pressure = m_weatherService->pressure( m_locationCode );
+
+        QString dewPoint    = m_weatherService->dewPoint( m_locationCode);
+        QString relHumidity = m_weatherService->relativeHumidity( m_locationCode );
+        QString heatIndex   = m_weatherService->heatIndex( m_locationCode );
+        QString windChill   = m_weatherService->windChill( m_locationCode );
+        QString sunRiseTime = m_weatherService->sunRiseTime( m_locationCode );
+        QString 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 += QString("<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>")
+                .arg(temp).arg(dewPoint).arg(pressure).arg(relHumidity).arg(wind);
+
+        if ( !heatIndex.isEmpty() )
+            tip += QString("<th><nobr>" + i18n( "Heat Index:" ) + "</nobr></th><td><nobr>%1</nobr></td>").arg(heatIndex);
+        else if ( !windChill.isEmpty() )
+            tip += QString("<th><nobr>" + i18n( "Wind Chill:" ) + "</nobr></th><td><nobr>%1</nobr></td>").arg(windChill);
+        else
+            tip += "<td>&nbsp;</td><td>&nbsp;</td>";
+        tip += "</tr>";
+
+        tip += QString("<tr><th><nobr>" + i18n( "Sunrise:" ) + "</nobr></th><td><nobr>%1</nobr></td>" +
+                           "<th><nobr>" + i18n( "Sunset:"  ) + "</nobr></th><td><nobr>%2</nobr></td>")
+                 .arg(sunRiseTime).arg(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.
+    QPixmap icon = m_weatherService->icon( m_locationCode );
+
+    QToolTip::remove(this);
+    QToolTip::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 QLabel(this,"lblTemp");
+    m_lblWind= new QLabel(this,"lblWind");
+    m_lblPres= new QLabel(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);
+
+    QBoxLayout *mainLayout = new QBoxLayout(this, QBoxLayout::TopToBottom);
+    mainLayout->setSpacing(0);
+    mainLayout->setMargin(0);
+    mainLayout->addWidget(m_button, 0, Qt::AlignCenter);
+
+    QBoxLayout *layout = new QBoxLayout(mainLayout, QBoxLayout::TopToBottom);
+    layout->setSpacing(0);
+    layout->setMargin(0);
+    layout->addWidget(m_lblTemp);
+    layout->addWidget(m_lblWind);
+    layout->addWidget(m_lblPres);
+
+    mainLayout->addSpacing(8);
+
+    updateFont();
+
+    QTimer::singleShot( 0, this, SLOT( showWeather() ) );
+}
+
+/** resize the view **/
+void dockwidget::resizeView( const QSize &size )
+{
+    kdDebug(12004) << "Changing to size " << size << endl;
+    resize(size);
+
+    if ( m_orientation == Horizontal ) // Kicker in horizontal mode
+    {
+        int h = size.height();
+
+        if ( m_mode == ShowAll )
+        {
+            if ( h <= 128 )  // left to right layout
+            {
+                static_cast<QBoxLayout*>(layout())->setDirection(QBoxLayout::LeftToRight);
+                m_lblTemp->setAlignment(Qt::AlignAuto | Qt::AlignVCenter);
+                m_lblWind->setAlignment(Qt::AlignAuto | Qt::AlignVCenter);
+                m_lblPres->setAlignment(Qt::AlignAuto | Qt::AlignVCenter);
+            }
+            else  // top to bottom
+            {
+                static_cast<QBoxLayout*>(layout())->setDirection(QBoxLayout::TopToBottom);
+                QFontMetrics fm(m_font);
+                h = 128 - (3 * fm.height());  // 3 lines of text below the button
+                m_lblTemp->setAlignment(Qt::AlignCenter);
+                m_lblWind->setAlignment(Qt::AlignCenter);
+                m_lblPres->setAlignment(Qt::AlignCenter);
+            }
+            m_button->setFixedSize(h, h);
+        }
+        else if ( m_mode == ShowTempOnly )
+        {
+            if ( h <= 32 )  // left to right
+            {
+                static_cast<QBoxLayout*>(layout())->setDirection(QBoxLayout::LeftToRight);
+                m_lblTemp->setAlignment(Qt::AlignAuto | Qt::AlignVCenter);
+            }
+            else  // top to bottom
+            {
+                static_cast<QBoxLayout*>(layout())->setDirection(QBoxLayout::TopToBottom);
+                QFontMetrics fm(m_font);
+                h = QMIN(128, h) - fm.height();
+                m_lblTemp->setAlignment(Qt::AlignCenter);
+            }
+            m_button->setFixedSize(h, h);
+        }
+        else
+        {
+            h = QMIN(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<QBoxLayout*>(layout())->setDirection(QBoxLayout::TopToBottom);
+                m_lblTemp->setAlignment(Qt::AlignCenter);
+                m_lblWind->setAlignment(Qt::AlignCenter);
+                m_lblPres->setAlignment(Qt::AlignCenter);
+
+                QFontMetrics fm(m_font);
+                h = h - (3 * fm.height());  // 3 lines of text below the button
+                h = QMIN(w, h);
+            }
+            else  // left to right layout
+            {
+                static_cast<QBoxLayout*>(layout())->setDirection(QBoxLayout::LeftToRight);
+                m_lblTemp->setAlignment(Qt::AlignAuto | Qt::AlignVCenter);
+                m_lblWind->setAlignment(Qt::AlignAuto | Qt::AlignVCenter);
+                m_lblPres->setAlignment(Qt::AlignAuto | Qt::AlignVCenter);
+            }
+            m_button->setFixedSize(h, h);
+        }
+        else if ( m_mode == ShowTempOnly )
+        {
+            if ( w <= 128 )  // top to bottom
+            {
+                static_cast<QBoxLayout*>(layout())->setDirection(QBoxLayout::TopToBottom);
+                m_lblTemp->setAlignment(Qt::AlignCenter);
+
+                h = w;
+            }
+            else  // left to right layout
+            {
+                static_cast<QBoxLayout*>(layout())->setDirection(QBoxLayout::LeftToRight);
+                m_lblTemp->setAlignment(Qt::AlignAuto | Qt::AlignVCenter);
+
+                h = static_cast<int>(w * 0.33);
+            }
+            m_button->setFixedSize(h, h);
+        }
+        else
+        {
+            w = QMIN(w, 128);
+            m_button->setFixedSize(w, w);
+        }
+    }
+}
+
+int dockwidget::widthForHeight(int h)
+{
+    int w;
+    QFontInfo fi(KGlobalSettings::generalFont());
+
+    if ( m_mode == ShowAll )
+    {
+        if ( h <= 128 )  // left to right layout
+        {
+            int pixelSize = h/3 - 3;
+            pixelSize = QMIN(pixelSize, fi.pixelSize());  // don't make it too large
+            m_font.setPixelSize(pixelSize);
+            QFontMetrics fm(m_font);
+            w = h + QMAX(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);
+            }
+            QFontMetrics fm(m_font);
+            // size of icon
+            h = 128 - (3 * fm.height());  // 3 lines of text below the button
+            w = QMAX(fm.width(m_lblWind->text()), fm.width(m_lblPres->text())) + 1;
+            w = QMAX(h, w);  // at least width of square icon
+        }
+    }
+    else if ( m_mode == ShowTempOnly )
+    {
+        if ( h <= 32 )  // left to right layout
+        {
+            int pixelSize = h - 3;
+            pixelSize = QMIN(pixelSize, fi.pixelSize());  // don't make it too large
+            m_font.setPixelSize(pixelSize);
+            QFontMetrics 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);
+            }
+            QFontMetrics fm(m_font);
+            // size of icon
+            h = QMIN(128, h) - fm.height();
+            w = fm.width(m_lblTemp->text()) + 1;
+            w = QMAX(h, w);  // at least width of square icon
+        }
+    }
+    else
+    {
+        w = QMIN(128, h);  // don't make it too large
+    }
+
+    updateFont();
+    return w + 4;
+}
+
+int dockwidget::heightForWidth( int w )
+{
+    int h;
+
+    if ( m_mode == ShowAll )
+    {
+        QFontMetrics 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));
+            }
+
+            QFontMetrics 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));
+            }
+
+            QFontMetrics fm(m_font);
+            h = 3 * fm.height();  // 3 lines of text
+
+        }
+    }
+    else if ( m_mode == ShowTempOnly )
+    {
+        QFontMetrics 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));
+            }
+
+            QFontMetrics 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));
+            }
+
+            QFontMetrics fm(m_font);
+            h = QMAX(fm.height(), static_cast<int>(w * 0.33));
+        }
+    }
+    else
+    {
+        h = QMIN(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