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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Labs Templates 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 "qquickapplicationwindow_p.h"
#include <QtQuick/private/qquickitem_p.h>
#include <QtQuick/private/qquickitemchangelistener_p.h>
QT_BEGIN_NAMESPACE
/*!
\qmltype ApplicationWindow
\inherits Window
\instantiates QQuickApplicationWindow
\inqmlmodule Qt.labs.controls
\ingroup application
\brief Provides a top-level application window.
ApplicationWindow is a \l Window which makes it convenient to add
a \l header and \l footer item to the window.
\note By default, an ApplicationWindow is not visible.
*/
class QQuickApplicationWindowPrivate : public QQuickItemChangeListener
{
Q_DECLARE_PUBLIC(QQuickApplicationWindow)
public:
QQuickApplicationWindowPrivate() : complete(false), header(Q_NULLPTR), footer(Q_NULLPTR) { }
void relayout();
void itemImplicitWidthChanged(QQuickItem *item) Q_DECL_OVERRIDE;
void itemImplicitHeightChanged(QQuickItem *item) Q_DECL_OVERRIDE;
bool complete;
QQuickItem *header;
QQuickItem *footer;
QQuickApplicationWindow *q_ptr;
};
void QQuickApplicationWindowPrivate::relayout()
{
Q_Q(QQuickApplicationWindow);
QQuickItem *content = q->contentItem();
qreal hh = header ? header->height() : 0;
qreal fh = footer ? footer->height() : 0;
content->setY(hh);
content->setHeight(q->height() - hh - fh);
if (header) {
header->setY(-hh);
QQuickItemPrivate *p = QQuickItemPrivate::get(header);
if (!p->widthValid) {
header->setWidth(q->width());
p->widthValid = false;
}
}
if (footer) {
footer->setY(content->height());
QQuickItemPrivate *p = QQuickItemPrivate::get(footer);
if (!p->widthValid) {
footer->setWidth(q->width());
p->widthValid = false;
}
}
}
void QQuickApplicationWindowPrivate::itemImplicitWidthChanged(QQuickItem *item)
{
Q_UNUSED(item);
relayout();
}
void QQuickApplicationWindowPrivate::itemImplicitHeightChanged(QQuickItem *item)
{
Q_UNUSED(item);
relayout();
}
QQuickApplicationWindow::QQuickApplicationWindow(QWindow *parent) :
QQuickWindowQmlImpl(parent), d_ptr(new QQuickApplicationWindowPrivate)
{
d_ptr->q_ptr = this;
}
QQuickApplicationWindow::~QQuickApplicationWindow()
{
Q_D(QQuickApplicationWindow);
if (d->header)
QQuickItemPrivate::get(d->header)->removeItemChangeListener(d, QQuickItemPrivate::ImplicitWidth | QQuickItemPrivate::ImplicitHeight);
if (d->footer)
QQuickItemPrivate::get(d->footer)->removeItemChangeListener(d, QQuickItemPrivate::ImplicitWidth | QQuickItemPrivate::ImplicitHeight);
}
/*!
\qmlproperty Item Qt.labs.controls::ApplicationWindow::header
A header item for the window, for example a title bar, menu or tool-bar.
By default this property is empty, no header will be shown.
\sa footer
*/
QQuickItem *QQuickApplicationWindow::header() const
{
Q_D(const QQuickApplicationWindow);
return d->header;
}
void QQuickApplicationWindow::setHeader(QQuickItem *header)
{
Q_D(QQuickApplicationWindow);
if (d->header != header) {
delete d->header;
d->header = header;
if (header) {
header->setParentItem(contentItem());
QQuickItemPrivate *p = QQuickItemPrivate::get(header);
p->addItemChangeListener(d, QQuickItemPrivate::ImplicitWidth | QQuickItemPrivate::ImplicitHeight);
if (qFuzzyIsNull(header->z()))
header->setZ(1);
if (isComponentComplete())
d->relayout();
}
emit headerChanged();
}
}
/*!
\qmlproperty Item Qt.labs.controls::ApplicationWindow::footer
A footer item for the window, for example a status bar or menu.
By default this property is empty, no footer will be shown.
\sa header
*/
QQuickItem *QQuickApplicationWindow::footer() const
{
Q_D(const QQuickApplicationWindow);
return d->footer;
}
void QQuickApplicationWindow::setFooter(QQuickItem *footer)
{
Q_D(QQuickApplicationWindow);
if (d->footer != footer) {
delete d->footer;
d->footer = footer;
if (footer) {
footer->setParentItem(contentItem());
QQuickItemPrivate *p = QQuickItemPrivate::get(footer);
p->addItemChangeListener(d, QQuickItemPrivate::ImplicitWidth | QQuickItemPrivate::ImplicitHeight);
if (qFuzzyIsNull(footer->z()))
footer->setZ(1);
if (isComponentComplete())
d->relayout();
}
emit footerChanged();
}
}
bool QQuickApplicationWindow::isComponentComplete() const
{
Q_D(const QQuickApplicationWindow);
return d->complete;
}
void QQuickApplicationWindow::componentComplete()
{
Q_D(QQuickApplicationWindow);
d->complete = true;
QQuickWindowQmlImpl::componentComplete();
}
void QQuickApplicationWindow::resizeEvent(QResizeEvent *event)
{
Q_D(QQuickApplicationWindow);
QQuickWindowQmlImpl::resizeEvent(event);
d->relayout();
}
QT_END_NAMESPACE
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