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+/* ============================================================
+ *
+ * This file is a part of digiKam project
+ * http://www.digikam.org
+ *
+ * Date : 2004-09-21
+ * Description : an animated busy widget
+ *
+ * Copyright (C) 2004-2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
+ * Copyright (C) 2006-2009 by Gilles Caulier <caulier dot gilles at gmail dot com>
+ *
+ * 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, 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.
+ *
+ * ============================================================ */
+
+// Qt includes.
+
+#include <qpainter.h>
+#include <qpixmap.h>
+#include <qpalette.h>
+#include <qcolor.h>
+#include <qtimer.h>
+
+// Local includes.
+
+#include "animwidget.h"
+#include "animwidget.moc"
+
+namespace Digikam
+{
+
+class AnimWidgetPriv
+{
+public:
+
+ AnimWidgetPriv()
+ {
+ timer = 0;
+ pos = 0;
+ }
+
+ int pos;
+ int size;
+
+ QTimer *timer;
+
+ QPixmap pix;
+};
+
+AnimWidget::AnimWidget(QWidget* parent, int size)
+ : QWidget(parent, 0, WResizeNoErase|WRepaintNoErase)
+{
+ d = new AnimWidgetPriv;
+ setBackgroundMode(Qt::NoBackground);
+
+ d->size = size;
+ d->pix = QPixmap(d->size, d->size);
+ setFixedSize(d->size, d->size);
+
+ d->timer = new QTimer(this);
+
+ connect(d->timer, SIGNAL(timeout()),
+ this, SLOT(slotTimeout()));
+}
+
+AnimWidget::~AnimWidget()
+{
+ delete d;
+}
+
+void AnimWidget::start()
+{
+ d->pos = 0;
+ d->timer->start(100);
+}
+
+void AnimWidget::stop()
+{
+ d->pos = 0;
+ d->timer->stop();
+ repaint();
+}
+
+void AnimWidget::paintEvent(QPaintEvent*)
+{
+ d->pix.fill(colorGroup().background());
+ QPainter p(&d->pix);
+
+ p.translate(d->size/2, d->size/2);
+
+ if (d->timer->isActive())
+ {
+ p.setPen(QPen(colorGroup().text()));
+ p.rotate( d->pos );
+ }
+ else
+ {
+ p.setPen(QPen(colorGroup().dark()));
+ }
+
+ for ( int i=0 ; i<12 ; i++ )
+ {
+ p.drawLine(d->size/2-4, 0, d->size/2-2, 0);
+ p.rotate(30);
+ }
+
+ p.end();
+ bitBlt(this, 0, 0, &d->pix);
+}
+
+void AnimWidget::slotTimeout()
+{
+ d->pos = (d->pos + 10) % 360;
+ repaint();
+}
+
+bool AnimWidget::running() const
+{
+ return d->timer->isActive();
+}
+
+} // namespace Digikam