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tdetoys/kweather/weatherbutton.cpp

162 lines
3.7 KiB

/* 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 <tqpainter.h>
#include <kapplication.h>
#include <kcursor.h>
#include <kglobalsettings.h>
#include <kiconeffect.h>
#include <kicontheme.h>
#include <kipc.h>
#include <kstandarddirs.h>
WeatherButton::WeatherButton( TQWidget *parent, const char *name )
: TQButton( parent, name ), m_highlight( false )
{
setBackgroundOrigin( AncestorOrigin );
connect( kapp, TQT_SIGNAL( settingsChanged( int ) ),
TQT_SLOT( slotSettingsChanged( int ) ) );
connect( kapp, TQT_SIGNAL( iconChanged( int ) ),
TQT_SLOT( slotIconChanged( int ) ) );
kapp->addKipcEventMask( KIPC::SettingsChanged );
kapp->addKipcEventMask( KIPC::IconChanged );
slotSettingsChanged( KApplication::SETTINGS_MOUSE );
}
void WeatherButton::drawButton( TQPainter *p )
{
drawButtonLabel(p);
}
void WeatherButton::drawButtonLabel( TQPainter *p )
{
if (!pixmap())
{
return;
}
TQPixmap 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;
TQPoint 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 TQPixmap &pix )
{
TQButton::setPixmap( pix );
generateIcons();
}
void WeatherButton::generateIcons()
{
if ( !pixmap() )
return;
TQImage image = pixmap()->convertToImage();
image = image.smoothScale( pixmapSize(), TQ_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( TQEvent *e )
{
m_highlight = true;
repaint( false );
TQButton::enterEvent( e );
}
void WeatherButton::leaveEvent( TQEvent *e )
{
m_highlight = false;
repaint( false );
TQButton::enterEvent( e );
}
void WeatherButton::resizeEvent( TQResizeEvent * )
{
generateIcons();
}
TQPoint WeatherButton::pixmapOrigin() const
{
TQSize point = margin()/2;
TQPoint origin( point.width(), point.height() );
return origin;
}
#include "weatherbutton.moc"
// vim:ts=4:sw=4:et