diff options
Diffstat (limited to 'examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout')
6 files changed, 522 insertions, 0 deletions
diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.cpp b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.cpp new file mode 100644 index 00000000..5c8872e5 --- /dev/null +++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.cpp @@ -0,0 +1,175 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "linearlayout.h" + +#include <QGraphicsWidget> +#include <QGraphicsLayoutItem> + +LinearLayoutAttached::LinearLayoutAttached(QObject *parent) +: QObject(parent), m_stretch(1), m_alignment(Qt::AlignTop), m_spacing(0) +{ +} + +void LinearLayoutAttached::setStretchFactor(int f) +{ + if (m_stretch != f) { + m_stretch = f; + emit stretchChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), m_stretch); + } +} + +void LinearLayoutAttached::setSpacing(int s) +{ + if (m_spacing != s) { + m_spacing = s; + emit spacingChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), m_spacing); + } +} + +void LinearLayoutAttached::setAlignment(Qt::Alignment a) +{ + if (m_alignment != a) { + m_alignment = a; + emit alignmentChanged(reinterpret_cast<QGraphicsLayoutItem*>(parent()), m_alignment); + } +} + +GraphicsLinearLayoutStretchItemObject::GraphicsLinearLayoutStretchItemObject(QObject *parent) + : QObject(parent) +{ +} + +QSizeF GraphicsLinearLayoutStretchItemObject::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const +{ + Q_UNUSED(which); + Q_UNUSED(constraint); + return QSizeF(); +} + + +GraphicsLinearLayoutObject::GraphicsLinearLayoutObject(QObject *parent) +: QObject(parent) +{ +} + +GraphicsLinearLayoutObject::~GraphicsLinearLayoutObject() +{ +} + +void GraphicsLinearLayoutObject::insertLayoutItem(int index, QGraphicsLayoutItem *item) +{ + insertItem(index, item); + + if (LinearLayoutAttached *obj = attachedProperties.value(item)) { + setStretchFactor(item, obj->stretchFactor()); + setAlignment(item, obj->alignment()); + updateSpacing(item, obj->spacing()); + QObject::connect(obj, SIGNAL(stretchChanged(QGraphicsLayoutItem*,int)), + this, SLOT(updateStretch(QGraphicsLayoutItem*,int))); + QObject::connect(obj, SIGNAL(alignmentChanged(QGraphicsLayoutItem*,Qt::Alignment)), + this, SLOT(updateAlignment(QGraphicsLayoutItem*,Qt::Alignment))); + QObject::connect(obj, SIGNAL(spacingChanged(QGraphicsLayoutItem*,int)), + this, SLOT(updateSpacing(QGraphicsLayoutItem*,int))); + } +} + +void GraphicsLinearLayoutObject::removeAt(int index) +{ + QGraphicsLayoutItem *item = itemAt(index); + if (item) { + LinearLayoutAttached *obj = attachedProperties.value(item); + obj->disconnect(this); + attachedProperties.remove(item); + } + QGraphicsLinearLayout::removeAt(index); +} + +void GraphicsLinearLayoutObject::clearChildren() +{ + // do not delete the removed items; they will be deleted by the QML engine + while (count() > 0) + removeAt(count()-1); +} + +qreal GraphicsLinearLayoutObject::contentsMargin() const +{ + qreal a, b, c, d; + getContentsMargins(&a, &b, &c, &d); + if (a == b && a == c && a == d) + return a; + return -1; +} + +void GraphicsLinearLayoutObject::setContentsMargin(qreal m) +{ + setContentsMargins(m, m, m, m); +} + +void GraphicsLinearLayoutObject::updateStretch(QGraphicsLayoutItem *item, int stretch) +{ + QGraphicsLinearLayout::setStretchFactor(item, stretch); +} + +void GraphicsLinearLayoutObject::updateSpacing(QGraphicsLayoutItem* item, int spacing) +{ + for (int i=0; i < count(); i++){ + if (itemAt(i) == item) { + QGraphicsLinearLayout::setItemSpacing(i, spacing); + return; + } + } +} + +void GraphicsLinearLayoutObject::updateAlignment(QGraphicsLayoutItem *item, Qt::Alignment alignment) +{ + QGraphicsLinearLayout::setAlignment(item, alignment); +} + +QHash<QGraphicsLayoutItem*, LinearLayoutAttached*> GraphicsLinearLayoutObject::attachedProperties; +LinearLayoutAttached *GraphicsLinearLayoutObject::qmlAttachedProperties(QObject *obj) +{ + LinearLayoutAttached *rv = new LinearLayoutAttached(obj); + if (qobject_cast<QGraphicsLayoutItem*>(obj)) + attachedProperties.insert(qobject_cast<QGraphicsLayoutItem*>(obj), rv); + return rv; +} + + diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.h b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.h new file mode 100644 index 00000000..ff8c5f4f --- /dev/null +++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.h @@ -0,0 +1,152 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef LINEARLAYOUT_H +#define LINEARLAYOUT_H + +#include <qdeclarative.h> + +#include <QGraphicsLinearLayout> +#include <QGraphicsLayoutItem> + +class GraphicsLinearLayoutStretchItemObject : public QObject, public QGraphicsLayoutItem +{ + Q_OBJECT + Q_INTERFACES(QGraphicsLayoutItem) +public: + GraphicsLinearLayoutStretchItemObject(QObject *parent = 0); + + virtual QSizeF sizeHint(Qt::SizeHint, const QSizeF &) const; +}; + + +class LinearLayoutAttached; +class GraphicsLinearLayoutObject : public QObject, public QGraphicsLinearLayout +{ + Q_OBJECT + Q_INTERFACES(QGraphicsLayout QGraphicsLayoutItem) + + Q_PROPERTY(QDeclarativeListProperty<QGraphicsLayoutItem> children READ children) + Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation) + Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing) + Q_PROPERTY(qreal contentsMargin READ contentsMargin WRITE setContentsMargin) + Q_CLASSINFO("DefaultProperty", "children") +public: + GraphicsLinearLayoutObject(QObject * = 0); + ~GraphicsLinearLayoutObject(); + + QDeclarativeListProperty<QGraphicsLayoutItem> children() { return QDeclarativeListProperty<QGraphicsLayoutItem>(this, 0, children_append, children_count, children_at, children_clear); } + + qreal contentsMargin() const; + void setContentsMargin(qreal); + + void removeAt(int index); + + static LinearLayoutAttached *qmlAttachedProperties(QObject *); + +private slots: + void updateStretch(QGraphicsLayoutItem*,int); + void updateSpacing(QGraphicsLayoutItem*,int); + void updateAlignment(QGraphicsLayoutItem*,Qt::Alignment); + +private: + friend class LinearLayoutAttached; + + void clearChildren(); + void insertLayoutItem(int, QGraphicsLayoutItem *); + + static void children_append(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, QGraphicsLayoutItem *item) { + static_cast<GraphicsLinearLayoutObject*>(prop->object)->insertLayoutItem(-1, item); + } + + static void children_clear(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) { + static_cast<GraphicsLinearLayoutObject*>(prop->object)->clearChildren(); + } + + static int children_count(QDeclarativeListProperty<QGraphicsLayoutItem> *prop) { + return static_cast<GraphicsLinearLayoutObject*>(prop->object)->count(); + } + + static QGraphicsLayoutItem *children_at(QDeclarativeListProperty<QGraphicsLayoutItem> *prop, int index) { + return static_cast<GraphicsLinearLayoutObject*>(prop->object)->itemAt(index); + } + + static QHash<QGraphicsLayoutItem*, LinearLayoutAttached*> attachedProperties; +}; + + +class LinearLayoutAttached : public QObject +{ + Q_OBJECT + + Q_PROPERTY(int stretchFactor READ stretchFactor WRITE setStretchFactor NOTIFY stretchChanged) + Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment NOTIFY alignmentChanged) + Q_PROPERTY(int spacing READ spacing WRITE setSpacing NOTIFY spacingChanged) + +public: + LinearLayoutAttached(QObject *parent); + + int stretchFactor() const { return m_stretch; } + void setStretchFactor(int f); + Qt::Alignment alignment() const { return m_alignment; } + void setAlignment(Qt::Alignment a); + int spacing() const { return m_spacing; } + void setSpacing(int s); + +signals: + void stretchChanged(QGraphicsLayoutItem*, int); + void alignmentChanged(QGraphicsLayoutItem*, Qt::Alignment); + void spacingChanged(QGraphicsLayoutItem*, int); + +private: + int m_stretch; + Qt::Alignment m_alignment; + int m_spacing; +}; + +QML_DECLARE_INTERFACE(QGraphicsLayoutItem) +QML_DECLARE_INTERFACE(QGraphicsLayout) +QML_DECLARE_TYPE(GraphicsLinearLayoutStretchItemObject) +QML_DECLARE_TYPE(GraphicsLinearLayoutObject) +QML_DECLARE_TYPEINFO(GraphicsLinearLayoutObject, QML_HAS_ATTACHED_PROPERTIES) + +#endif + + diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.qrc b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.qrc new file mode 100644 index 00000000..9686f9b0 --- /dev/null +++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/linearlayout.qrc @@ -0,0 +1,5 @@ +<RCC> + <qresource prefix="/"> + <file>qml/qgraphicslinearlayout/qgraphicslinearlayout.qml</file> + </qresource> +</RCC> diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/main.cpp b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/main.cpp new file mode 100644 index 00000000..d0aed621 --- /dev/null +++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/main.cpp @@ -0,0 +1,64 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "linearlayout.h" +#include "qmlapplicationviewer.h" +#include <qdeclarative.h> +#include <QDeclarativeView> +#include <QApplication> + +int main(int argc, char* argv[]) +{ + QApplication app(argc, argv); + + qmlRegisterInterface<QGraphicsLayoutItem>("QGraphicsLayoutItem"); + qmlRegisterInterface<QGraphicsLayout>("QGraphicsLayout"); + qmlRegisterType<GraphicsLinearLayoutStretchItemObject>("LinearLayouts", 4, 7, "GraphicsLinearLayoutStretchItem"); + qmlRegisterType<GraphicsLinearLayoutObject>("LinearLayouts", 4, 7, "GraphicsLinearLayout"); + + QmlApplicationViewer viewer; + viewer.setOrientation(QmlApplicationViewer::ScreenOrientationAuto); + viewer.setMainQmlFile("qml/qgraphicslinearlayout/qgraphicslinearlayout.qml"); + viewer.showExpanded(); + + return app.exec(); +} + + diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/qgraphicslinearlayout.pro b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/qgraphicslinearlayout.pro new file mode 100644 index 00000000..52955e8a --- /dev/null +++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/qgraphicslinearlayout.pro @@ -0,0 +1,47 @@ +# Add more folders to ship with the application, here +folder_01.source = qml/qgraphicslinearlayout +folder_01.target = qml +DEPLOYMENTFOLDERS = folder_01 + +# Additional import path used to resolve QML modules in Creator's code model +QML_IMPORT_PATH = + +symbian:TARGET.UID3 = 0xE7D233DA + +# Smart Installer package's UID +# This UID is from the protected range and therefore the package will +# fail to install if self-signed. By default qmake uses the unprotected +# range value if unprotected UID is defined for the application and +# 0x2002CCCF value if protected UID is given to the application +#symbian:DEPLOYMENT.installer_header = 0x2002CCCF + +# Allow network access on Symbian +symbian:TARGET.CAPABILITY += NetworkServices + +# If your application uses the Qt Mobility libraries, uncomment the following +# lines and add the respective components to the MOBILITY variable. +# CONFIG += mobility +# MOBILITY += + +# Speed up launching on MeeGo/Harmattan when using applauncherd daemon +# CONFIG += qdeclarative-boostable + +# Add dependency to Symbian components +# CONFIG += qt-components + +# The .cpp file which was generated for your project. Feel free to hack it. +SOURCES += \ + linearlayout.cpp \ + main.cpp + +HEADERS += \ + linearlayout.h + +RESOURCES += \ + linearlayout.qrc + +# Please do not modify the following two lines. Required for deployment. +desktopInstallPrefix=$$[QT_INSTALL_EXAMPLES]/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout +exists(qmlapplicationviewer/qmlapplicationviewer.pri):include(qmlapplicationviewer/qmlapplicationviewer.pri) +else:include(../../../../helper/qmlapplicationviewer/qmlapplicationviewer.pri) +qtcAddDeployment() diff --git a/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/qml/qgraphicslinearlayout/qgraphicslinearlayout.qml b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/qml/qgraphicslinearlayout/qgraphicslinearlayout.qml new file mode 100644 index 00000000..44ac3c8a --- /dev/null +++ b/examples/declarative/cppextensions/qgraphicslayouts/qgraphicslinearlayout/qml/qgraphicslinearlayout/qgraphicslinearlayout.qml @@ -0,0 +1,79 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +import QtQuick 1.0 +import LinearLayouts 4.7 + +Item { + width: 400 + height: 400 + + QGraphicsWidget { + size.width: parent.width + size.height: parent.height + + /* + Below we create a linear layout using the GraphicsLinearLayout item + (defined by the GraphicsLinearLayoutObject class in linearlayout.h). + + The first LayoutItem uses 'GraphicsLinearLayout.spacing' to set the + item's spacing: this is an attached property, set using the + properties defined in the LinearLayoutAttached class (also defined + in linearlayout.h). + */ + + layout: GraphicsLinearLayout { + LayoutItem { + GraphicsLinearLayout.spacing: 50 + minimumSize: "100x100" + maximumSize: "200x200" + preferredSize: "100x100" + Rectangle { color: "yellow"; anchors.fill: parent } + } + LayoutItem { + minimumSize: "100x100" + maximumSize: "400x400" + preferredSize: "300x300" + Rectangle { color: "green"; anchors.fill: parent } + } + } + } +} + |