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/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

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"