1 files changed, 161 insertions, 0 deletions
diff --git a/kweather/weatherbutton.cpp b/kweather/weatherbutton.cpp
new file mode 100644
index 0000000..7ae680c
--- /dev/null
+++ b/kweather/weatherbutton.cpp
@@ -0,0 +1,161 @@
+/* This file is part of the KDE project
+   Copyright (C) 2003-2004 Nadeem Hasan <nhasan@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; see the file COPYING.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#include "weatherbutton.h"
+
+#include <qpainter.h>
+
+#include <kapplication.h>
+#include <kcursor.h>
+#include <kglobalsettings.h>
+#include <kiconeffect.h>
+#include <kicontheme.h>
+#include <kipc.h>
+#include <kstandarddirs.h>
+
+WeatherButton::WeatherButton( QWidget *parent, const char *name )
+    : QButton( parent, name ), m_highlight( false )
+{
+    setBackgroundOrigin( AncestorOrigin );
+
+    connect( kapp, SIGNAL( settingsChanged( int ) ),
+       SLOT( slotSettingsChanged( int ) ) );
+    connect( kapp, SIGNAL( iconChanged( int ) ),
+       SLOT( slotIconChanged( int ) ) );
+
+    kapp->addKipcEventMask( KIPC::SettingsChanged );
+    kapp->addKipcEventMask( KIPC::IconChanged );
+
+    slotSettingsChanged( KApplication::SETTINGS_MOUSE );
+}
+
+void WeatherButton::drawButton( QPainter *p )
+{
+    drawButtonLabel(p);
+}
+
+void WeatherButton::drawButtonLabel( QPainter *p )
+{
+    if (!pixmap())
+    {
+        return;
+    }
+
+    QPixmap pix = m_highlight? m_activeIcon : m_normalIcon;
+
+    if (isOn() || isDown())
+    {
+        pix = pix.convertToImage().smoothScale(pix.width() - 2,
+                                               pix.height() - 2);
+    }
+
+    int h = height();
+    int w = width();
+    int ph = pix.height();
+    int pw = pix.width();
+    int margin = 3;
+    QPoint origin(margin / 2, margin / 2);
+
+    if (ph < (h - margin))
+    {
+        origin.setY((h - ph) / 2);
+    }
+
+    if (pw < (w - margin))
+    {
+        origin.setX((w - pw) / 2);
+    }
+
+    p->drawPixmap(origin, pix);
+}
+
+
+void WeatherButton::setPixmap( const QPixmap &pix )
+{
+    QButton::setPixmap( pix );
+    generateIcons();
+}
+
+void WeatherButton::generateIcons()
+{
+    if ( !pixmap() )
+        return;
+
+    QImage image = pixmap()->convertToImage();
+    image = image.smoothScale( pixmapSize(), QImage::ScaleMin );
+
+    KIconEffect effect;
+
+    m_normalIcon = effect.apply( image, KIcon::Panel, KIcon::DefaultState );
+    m_activeIcon = effect.apply( image, KIcon::Panel, KIcon::ActiveState );
+}
+
+void WeatherButton::slotSettingsChanged( int category )
+{
+    if ( category != KApplication::SETTINGS_MOUSE ) return;
+
+    bool changeCursor = KGlobalSettings::changeCursorOverIcon();
+
+    if ( changeCursor )
+        setCursor( KCursor::handCursor() );
+    else
+        unsetCursor();
+}
+
+void WeatherButton::slotIconChanged( int group )
+{
+    if ( group != KIcon::Panel )
+        return;
+
+    generateIcons();
+    repaint( false );
+}
+
+void WeatherButton::enterEvent( QEvent *e )
+{
+    m_highlight = true;
+
+    repaint( false );
+    QButton::enterEvent( e );
+}
+
+void WeatherButton::leaveEvent( QEvent *e )
+{
+    m_highlight = false;
+
+    repaint( false );
+    QButton::enterEvent( e );
+}
+
+void WeatherButton::resizeEvent( QResizeEvent * )
+{
+    generateIcons();
+}
+
+QPoint WeatherButton::pixmapOrigin() const
+{
+    QSize point = margin()/2;
+    QPoint origin( point.width(), point.height() );
+
+    return origin;
+}
+
+#include "weatherbutton.moc"
+
+// vim:ts=4:sw=4:et