diff options
Diffstat (limited to 'kdeui/kanimwidget.cpp')
| -rw-r--r-- | kdeui/kanimwidget.cpp | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/kdeui/kanimwidget.cpp b/kdeui/kanimwidget.cpp new file mode 100644 index 000000000..8d5ca6b6c --- /dev/null +++ b/kdeui/kanimwidget.cpp @@ -0,0 +1,212 @@ +// -*- c-basic-offset: 2 -*- + +/* This file is part of the KDE libraries + Copyright (C) 2000 Kurt Granroth <granroth@kde.org> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License version 2 as published by the Free Software Foundation. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ +#include <kanimwidget.h> +#include <qpixmap.h> +#include <qtimer.h> +#include <qpainter.h> +#include <qimage.h> +#include <ktoolbar.h> +#include <kdebug.h> +#include <kiconloader.h> + +class KAnimWidgetPrivate +{ +public: + bool loadingCompleted : 1; + bool initDone : 1; + bool transparent : 1; + int frames; + int current_frame; + QPixmap pixmap; + QTimer timer; + QString icon_name; + int size; +}; + +KAnimWidget::KAnimWidget( const QString& icons, int size, QWidget *parent, + const char *name ) + : QFrame( parent, name ), + d( new KAnimWidgetPrivate ) +{ + connect( &d->timer, SIGNAL(timeout()), this, SLOT(slotTimerUpdate())); + + if (parent && parent->inherits( "KToolBar" )) + connect(parent, SIGNAL(modechange()), this, SLOT(updateIcons())); + + d->loadingCompleted = false; + d->size = size; + d->initDone = false; + setIcons( icons ); + setFrameStyle( StyledPanel | Sunken ); +} + +KAnimWidget::~KAnimWidget() +{ + d->timer.stop(); + + delete d; d = 0; +} + +void KAnimWidget::start() +{ + d->current_frame = 0; + d->timer.start( 50 ); +} + +void KAnimWidget::stop() +{ + d->current_frame = 0; + d->timer.stop(); + repaint(); +} + +void KAnimWidget::setSize( int size ) +{ + if ( d->size == size ) + return; + + d->size = size; + updateIcons(); +} + +void KAnimWidget::setIcons( const QString& icons ) +{ + if ( d->icon_name == icons ) + return; + + d->icon_name = icons; + updateIcons(); +} + +QString KAnimWidget::icons( ) const +{ + return d->icon_name; +} + +int KAnimWidget::size( ) const +{ + return d->size; +} + + +void KAnimWidget::showEvent(QShowEvent* e) +{ + if (!d->initDone) + { + d->initDone = true; + updateIcons(); + } + QFrame::showEvent(e); +} + +void KAnimWidget::hideEvent(QHideEvent* e) +{ + QFrame::hideEvent(e); +} + +void KAnimWidget::enterEvent( QEvent *e ) +{ + setFrameStyle( Panel | Raised ); + + QFrame::enterEvent( e ); +} + +void KAnimWidget::leaveEvent( QEvent *e ) +{ + setFrameStyle( StyledPanel | Sunken ); + + QFrame::leaveEvent( e ); +} + +void KAnimWidget::mousePressEvent( QMouseEvent *e ) +{ + QFrame::mousePressEvent( e ); +} + +void KAnimWidget::mouseReleaseEvent( QMouseEvent *e ) +{ + if ( e->button() == LeftButton && + rect().contains( e->pos() ) ) + emit clicked(); + + QFrame::mouseReleaseEvent( e ); +} + +void KAnimWidget::slotTimerUpdate() +{ + if(!isVisible()) + return; + + d->current_frame++; + if (d->current_frame == d->frames) + d->current_frame = 0; + + // TODO + // We have to clear the widget when repainting a transparent image + // By doing it like this we get a bit of flicker though. A better + // way might be to merge it with the background in drawContents. + repaint(d->transparent); +} + +void KAnimWidget::drawContents( QPainter *p ) +{ + if ( d->pixmap.isNull() ) + return; + + int w = d->pixmap.width(); + int h = w; + int x = (width() - w) / 2; + int y = (height() - h) / 2; + p->drawPixmap(QPoint(x, y), d->pixmap, QRect(0, d->current_frame*h, w, h)); +} + +void KAnimWidget::updateIcons() +{ + if (!d->initDone) + return; + + if (parent()->inherits( "KToolBar" )) + d->size = ((KToolBar*)parent())->iconSize(); + if (!d->size) + d->size = KGlobal::iconLoader()->currentSize(KIcon::MainToolbar); + + QString path = KGlobal::iconLoader()->iconPath(d->icon_name, -d->size); + QImage img(path); + + if (img.isNull()) + return; + + d->current_frame = 0; + d->frames = img.height() / img.width(); + d->transparent = img.hasAlphaBuffer(); + if (d->pixmap.width() != d->size) + { + img = img.smoothScale(d->size, d->size*d->frames); + } + d->pixmap = img; + + setFixedSize( d->size+2, d->size+2 ); + resize( d->size+2, d->size+2 ); +} + +void KAnimWidget::virtual_hook( int, void* ) +{ /*BASE::virtual_hook( id, data );*/ } + +#include "kanimwidget.moc" |