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Diffstat (limited to 'src/quicktemplates2/qquickstacktransition.cpp')
| -rw-r--r-- | src/quicktemplates2/qquickstacktransition.cpp | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/quicktemplates2/qquickstacktransition.cpp b/src/quicktemplates2/qquickstacktransition.cpp new file mode 100644 index 00000000..4cfbb888 --- /dev/null +++ b/src/quicktemplates2/qquickstacktransition.cpp @@ -0,0 +1,158 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickstacktransition_p_p.h" +#include "qquickstackelement_p_p.h" +#include "qquickstackview_p_p.h" + +QT_BEGIN_NAMESPACE + +static QQuickStackTransition exitTransition(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view) +{ + QQuickStackTransition st; + st.status = QQuickStackView::Deactivating; + st.transition = nullptr; + st.element = element; + + const QQuickItemViewTransitioner *transitioner = QQuickStackViewPrivate::get(view)->transitioner; + + switch (operation) { + case QQuickStackView::PushTransition: + st.target = false; + st.type = QQuickItemViewTransitioner::AddTransition; + st.viewBounds = QRectF(); + if (transitioner) + st.transition = transitioner->addDisplacedTransition; + break; + case QQuickStackView::ReplaceTransition: + st.target = false; + st.type = QQuickItemViewTransitioner::MoveTransition; + st.viewBounds = QRectF(); + if (transitioner) + st.transition = transitioner->moveDisplacedTransition; + break; + case QQuickStackView::PopTransition: + st.target = true; + st.type = QQuickItemViewTransitioner::RemoveTransition; + st.viewBounds = view->boundingRect(); + if (transitioner) + st.transition = transitioner->removeTransition; + break; + default: + Q_UNREACHABLE(); + break; + } + + return st; +} + +static QQuickStackTransition enterTransition(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view) +{ + QQuickStackTransition st; + st.status = QQuickStackView::Activating; + st.transition = nullptr; + st.element = element; + + const QQuickItemViewTransitioner *transitioner = QQuickStackViewPrivate::get(view)->transitioner; + + switch (operation) { + case QQuickStackView::PushTransition: + st.target = true; + st.type = QQuickItemViewTransitioner::AddTransition; + st.viewBounds = view->boundingRect(); + if (transitioner) + st.transition = transitioner->addTransition; + break; + case QQuickStackView::ReplaceTransition: + st.target = true; + st.type = QQuickItemViewTransitioner::MoveTransition; + st.viewBounds = view->boundingRect(); + if (transitioner) + st.transition = transitioner->moveTransition; + break; + case QQuickStackView::PopTransition: + st.target = false; + st.type = QQuickItemViewTransitioner::RemoveTransition; + st.viewBounds = QRectF(); + if (transitioner) + st.transition = transitioner->removeDisplacedTransition; + break; + default: + Q_UNREACHABLE(); + break; + } + + return st; +} + +static QQuickStackView::Operation operationTransition(QQuickStackView::Operation operation, QQuickStackView::Operation transition) +{ + if (operation == QQuickStackView::Immediate || operation == QQuickStackView::Transition) + return transition; + return operation; +} + +QQuickStackTransition QQuickStackTransition::popExit(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view) +{ + return exitTransition(operationTransition(operation, QQuickStackView::PopTransition), element, view); +} + +QQuickStackTransition QQuickStackTransition::popEnter(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view) +{ + return enterTransition(operationTransition(operation, QQuickStackView::PopTransition), element, view); +} + +QQuickStackTransition QQuickStackTransition::pushExit(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view) +{ + return exitTransition(operationTransition(operation, QQuickStackView::PushTransition), element, view); +} + +QQuickStackTransition QQuickStackTransition::pushEnter(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view) +{ + return enterTransition(operationTransition(operation, QQuickStackView::PushTransition), element, view); +} + +QQuickStackTransition QQuickStackTransition::replaceExit(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view) +{ + return exitTransition(operationTransition(operation, QQuickStackView::ReplaceTransition), element, view); +} + +QQuickStackTransition QQuickStackTransition::replaceEnter(QQuickStackView::Operation operation, QQuickStackElement *element, QQuickStackView *view) +{ + return enterTransition(operationTransition(operation, QQuickStackView::ReplaceTransition), element, view); +} + +QT_END_NAMESPACE |