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Diffstat (limited to 'src/controls/qquicklinearlayout.cpp')
| -rw-r--r-- | src/controls/qquicklinearlayout.cpp | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/src/controls/qquicklinearlayout.cpp b/src/controls/qquicklinearlayout.cpp deleted file mode 100644 index baf1d19d1..000000000 --- a/src/controls/qquicklinearlayout.cpp +++ /dev/null @@ -1,270 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** This file is part of the Qt Quick Controls module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional -** rights. These rights are described in the Digia 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. -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquicklinearlayout_p.h" -#include "qquicklayoutengine_p.h" -#include <QtCore/qnumeric.h> - -/*! - \qmltype RowLayout - \instantiates QQuickComponentsRowLayout - \inqmlmodule QtQuick.Controls 1.0 - \brief RowLayout is doing bla...bla... -*/ - -/*! - \qmltype ColumnLayout - \instantiates QQuickComponentsColumnLayout - \inqmlmodule QtQuick.Controls 1.0 - \brief ColumnLayout is doing bla...bla... -*/ - -QT_BEGIN_NAMESPACE - -static const qreal q_declarativeLayoutDefaultSpacing = 4.0; - - -QQuickComponentsLinearLayout::QQuickComponentsLinearLayout(Orientation orientation, - QQuickItem *parent) - : QQuickComponentsLayout(parent), - m_spacing(q_declarativeLayoutDefaultSpacing), - m_orientation(orientation) -{ - -} - -qreal QQuickComponentsLinearLayout::spacing() const -{ - return m_spacing; -} - -void QQuickComponentsLinearLayout::setSpacing(qreal spacing) -{ - if (qIsNaN(spacing) || m_spacing == spacing) - return; - - m_spacing = spacing; - invalidate(); -} - -QQuickComponentsLinearLayout::Orientation QQuickComponentsLinearLayout::orientation() const -{ - return m_orientation; -} - -void QQuickComponentsLinearLayout::setOrientation(Orientation orientation) -{ - if (m_orientation == orientation) - return; - - m_orientation = orientation; - invalidate(); - - emit orientationChanged(); -} - -void QQuickComponentsLinearLayout::componentComplete() -{ - QQuickComponentsLayout::componentComplete(); - updateLayoutItems(); - invalidate(); -} - -void QQuickComponentsLinearLayout::updateLayoutItems() -{ - const QList<QQuickItem *> &children = childItems(); - qreal implicitWidth = 0; - qreal implicitHeight = 0; - foreach (QQuickItem *child, children) { - if (m_orientation == Horizontal) { - implicitWidth += child->implicitWidth(); - implicitHeight = qMax(implicitHeight, child->implicitHeight()); - } else { - implicitHeight += child->implicitHeight(); - implicitWidth = qMax(implicitWidth, child->implicitWidth()); - } - insertLayoutItem(child); - } - setImplicitWidth(implicitWidth); - setImplicitHeight(implicitHeight); -} - -void QQuickComponentsLinearLayout::itemChange(ItemChange change, const ItemChangeData &value) -{ - if (isComponentComplete()) { - if (change == ItemChildAddedChange) - insertLayoutItem(value.item); - else if (change == ItemChildRemovedChange) - removeLayoutItem(value.item); - } - - QQuickComponentsLayout::itemChange(change, value); -} - -void QQuickComponentsLinearLayout::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) -{ - QQuickComponentsLayout::geometryChanged(newGeometry, oldGeometry); - invalidate(); -} - -void QQuickComponentsLinearLayout::insertLayoutItem(QQuickItem *item) -{ - m_items.append(item); - setupItemLayout(item); - - invalidate(); - QObject::connect(item, SIGNAL(destroyed()), this, SLOT(onItemDestroyed())); - QObject::connect(item, SIGNAL(visibleChanged()), this, SLOT(onItemVisibleChanged())); -} - -void QQuickComponentsLinearLayout::removeLayoutItem(QQuickItem *item) -{ - if (!m_items.removeOne(item)) - return; - - invalidate(); - QObject::disconnect(item, SIGNAL(destroyed()), this, SLOT(onItemDestroyed())); - QObject::disconnect(item, SIGNAL(visibleChanged()), this, SLOT(onItemVisibleChanged())); -} - -void QQuickComponentsLinearLayout::onItemVisibleChanged() -{ - invalidate(); -} - -void QQuickComponentsLinearLayout::onItemDestroyed() -{ - if (!m_items.removeOne(static_cast<QQuickItem *>(sender()))) - return; - - invalidate(); -} - -void QQuickComponentsLinearLayout::reconfigureLayout() -{ - if (!isComponentComplete()) - return; - - const int count = m_items.count(); - - if (count == 0) - return; - - qreal totalSpacing = 0; - qreal totalSizeHint = 0; - qreal totalMinimumSize = 0; - qreal totalMaximumSize = 0; - - QVector<QQuickComponentsLayoutInfo> itemData; - - for (int i = 0; i < count; i++) { - QQuickItem *item = m_items.at(i); - QObject *attached = qmlAttachedPropertiesObject<QQuickComponentsLayout>(item); - QQuickComponentsLayoutAttached *info = static_cast<QQuickComponentsLayoutAttached *>(attached); - - QQuickComponentsLayoutInfo data; - - if (item->isVisible()) { - if (m_orientation == Horizontal) { - data.sizeHint = item->implicitWidth(); - data.minimumSize = info->minimumWidth(); - data.maximumSize = info->maximumWidth(); - data.expansive = (info->horizontalSizePolicy() == QQuickComponentsLayout::Expanding); - data.stretch = info->horizontalSizePolicy() == Expanding ? 1.0 : 0; - } else { - data.sizeHint = item->implicitHeight(); - data.minimumSize = info->minimumHeight(); - data.maximumSize = info->maximumHeight(); - data.expansive = (info->verticalSizePolicy() == QQuickComponentsLayout::Expanding); - data.stretch = info->verticalSizePolicy() == Expanding ? 1.0 : 0; - } - - itemData.append(data); - // sum - totalSizeHint += data.sizeHint; - totalMinimumSize += data.minimumSize; - totalMaximumSize += data.maximumSize; - - // don't count last spacing - if (i < count - 1) - totalSpacing += data.spacing + m_spacing; - } - } - - qreal extent = m_orientation == Horizontal ? width() : height(); - qDeclarativeLayoutCalculate(itemData, 0, itemData.count(), 0, extent, m_spacing); - - int i = 0; - int id = 0; - while (i < count) { - QQuickItem *item = m_items.at(i++); - if (!item->isVisible()) - continue; - const QQuickComponentsLayoutInfo &data = itemData.at(id); - - if (m_orientation == Horizontal) { - item->setX(data.pos); - item->setY(height()/2 - item->height()/2); - item->setWidth(data.size); - } else { - item->setY(data.pos); - item->setX(width()/2 - item->width()/2); - item->setHeight(data.size); - } - ++id; - } - - // propagate hints to upper levels - QObject *attached = qmlAttachedPropertiesObject<QQuickComponentsLayout>(this); - QQuickComponentsLayoutAttached *info = static_cast<QQuickComponentsLayoutAttached *>(attached); - - if (m_orientation == Horizontal) { - setImplicitWidth(totalSizeHint); - info->setMinimumWidth(totalMinimumSize + totalSpacing); - info->setMaximumWidth(totalMaximumSize + totalSpacing); - } else { - setImplicitHeight(totalSizeHint); - info->setMinimumHeight(totalMinimumSize + totalSpacing); - info->setMaximumHeight(totalMaximumSize + totalSpacing); - } -} - -QT_END_NAMESPACE |
