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authorJan Arve Saether <jan-arve.saether@digia.com>2013-02-28 13:00:16 +0100
committerThe Qt Project <gerrit-noreply@qt-project.org>2013-03-06 16:53:44 +0100
commit9c59d474479d21ba08ac5c2ef49b77557493c3fb (patch)
treecdabeba5d4db8bac26b10438ef0828e7a71b946a /src/controls/qquicklinearlayout.cpp
parent795fa39d8e86f3ae6f053611ebefda0a880b65ae (diff)
Change the layout engine of RowLayout and ColumnLayout.
It now uses the gridlayoutengine from graphicsview, which also gives us a well tested grid layout engine almost for free. Change-Id: I939ae4d2b321c8079935ff3374e8e5d10d02384b Reviewed-by: Jens Bache-Wiig <jens.bache-wiig@digia.com>
Diffstat (limited to 'src/controls/qquicklinearlayout.cpp')
-rw-r--r--src/controls/qquicklinearlayout.cpp270
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
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