1 files changed, 117 insertions, 0 deletions
diff --git a/src/widgets/widgets/qwidgetanimator.cpp b/src/widgets/widgets/qwidgetanimator.cpp
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+++ b/src/widgets/widgets/qwidgetanimator.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/qpropertyanimation.h>
+#include <QtWidgets/qwidget.h>
+#include <private/qmainwindowlayout_p.h>
+
+#include "qwidgetanimator_p.h"
+
+QT_BEGIN_NAMESPACE
+
+QWidgetAnimator::QWidgetAnimator(QMainWindowLayout *layout) : m_mainWindowLayout(layout)
+{
+}
+
+void QWidgetAnimator::abort(QWidget *w)
+{
+#ifndef QT_NO_ANIMATION
+    AnimationMap::iterator it = m_animation_map.find(w);
+    if (it == m_animation_map.end())
+        return;
+    QPropertyAnimation *anim = *it;
+    m_animation_map.erase(it);
+    anim->stop();
+#ifndef QT_NO_MAINWINDOW
+    m_mainWindowLayout->animationFinished(w);
+#endif
+#else
+    Q_UNUSED(w); //there is no animation to abort
+#endif //QT_NO_ANIMATION
+}
+
+#ifndef QT_NO_ANIMATION
+void QWidgetAnimator::animationFinished()
+{
+    QPropertyAnimation *anim = qobject_cast<QPropertyAnimation*>(sender());
+    abort(static_cast<QWidget*>(anim->targetObject()));
+}
+#endif //QT_NO_ANIMATION
+
+void QWidgetAnimator::animate(QWidget *widget, const QRect &_final_geometry, bool animate)
+{
+    QRect r = widget->geometry();
+    if (r.right() < 0 || r.bottom() < 0)
+        r = QRect();
+
+    animate = animate && !r.isNull() && !_final_geometry.isNull();
+
+    // might make the wigdet go away by sending it to negative space
+    const QRect final_geometry = _final_geometry.isValid() || widget->isWindow() ? _final_geometry :
+        QRect(QPoint(-500 - widget->width(), -500 - widget->height()), widget->size());
+
+#ifndef QT_NO_ANIMATION
+    AnimationMap::const_iterator it = m_animation_map.constFind(widget);
+    if (it != m_animation_map.constEnd() && (*it)->endValue().toRect() == final_geometry)
+        return;
+
+    QPropertyAnimation *anim = new QPropertyAnimation(widget, "geometry", widget);
+    anim->setDuration(animate ? 200 : 0);
+    anim->setEasingCurve(QEasingCurve::InOutQuad);
+    anim->setEndValue(final_geometry);
+    m_animation_map[widget] = anim;
+    connect(anim, SIGNAL(finished()), SLOT(animationFinished()));
+    anim->start(QPropertyAnimation::DeleteWhenStopped);
+#else
+    //we do it in one shot
+    widget->setGeometry(final_geometry);
+#ifndef QT_NO_MAINWINDOW
+    m_mainWindowLayout->animationFinished(widget);
+#endif //QT_NO_MAINWINDOW
+#endif //QT_NO_ANIMATION
+}
+
+bool QWidgetAnimator::animating() const
+{
+    return !m_animation_map.isEmpty();
+}
+
+QT_END_NAMESPACE