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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 "qquicklabel_p.h"
#include "qquicklabel_p_p.h"
#include "qquickcontrol_p.h"
#include "qquickcontrol_p_p.h"
#include <QtQuick/private/qquickitem_p.h>
#include <QtQuick/private/qquicktext_p.h>
#include <QtQuick/private/qquickclipnode_p.h>
#ifndef QT_NO_ACCESSIBILITY
#include <QtQuick/private/qquickaccessibleattached_p.h>
#endif
QT_BEGIN_NAMESPACE
QQuickLabel::QQuickLabel(QQuickItem *parent) :
QQuickText(*(new QQuickLabelPrivate), parent)
{
Q_D(const QQuickLabel);
QObjectPrivate::connect(this, &QQuickText::textChanged,
d, &QQuickLabelPrivate::_q_textChanged);
}
QQuickLabel::~QQuickLabel()
{
}
/*!
\internal
Determine which font is implicitly imposed on this control by its ancestors
and QGuiApplication::font, resolve this against its own font (attributes from
the implicit font are copied over). Then propagate this font to this
control's children.
*/
void QQuickLabelPrivate::resolveFont()
{
Q_Q(QQuickLabel);
QFont naturalFont = QQuickControlPrivate::naturalControlFont(q);
QFont resolvedFont = sourceFont.resolve(naturalFont);
if (sourceFont.resolve() == resolvedFont.resolve() && sourceFont == resolvedFont)
return;
q->QQuickText::setFont(resolvedFont);
emit q->fontChanged();
}
void QQuickLabelPrivate::_q_textChanged(const QString &text)
{
#ifndef QT_NO_ACCESSIBILITY
if (accessibleAttached)
accessibleAttached->setName(text);
#else
Q_UNUSED(text)
#endif
}
QFont QQuickLabel::font() const
{
return QQuickText::font();
}
void QQuickLabel::setFont(const QFont &font)
{
Q_D(QQuickLabel);
if (d->sourceFont == font)
return;
// Determine which font is inherited from this control's ancestors and
// QGuiApplication::font, resolve this against \a font (attributes from the
// inherited font are copied over). Then propagate this font to this
// control's children.
QFont naturalFont = QQuickControlPrivate::naturalControlFont(this);
QFont resolvedFont = font.resolve(naturalFont);
if (d->sourceFont.resolve() == resolvedFont.resolve() && d->sourceFont == resolvedFont)
return;
QQuickText::setFont(font);
emit fontChanged();
}
void QQuickLabel::classBegin()
{
QQuickText::classBegin();
#ifndef QT_NO_ACCESSIBILITY
Q_D(QQuickLabel);
d->accessibleAttached = qobject_cast<QQuickAccessibleAttached *>(qmlAttachedPropertiesObject<QQuickAccessibleAttached>(this, true));
if (d->accessibleAttached)
d->accessibleAttached->setRole((QAccessible::Role)0x00000029); // Accessible.StaticText
else
qWarning() << "QQuickLabel: QQuickAccessibleAttached object creation failed!";
#endif
}
QQuickItem *QQuickLabel::background() const
{
Q_D(const QQuickLabel);
return d->background;
}
void QQuickLabel::setBackground(QQuickItem *background)
{
Q_D(QQuickLabel);
if (d->background != background) {
delete d->background;
d->background = background;
if (background) {
background->setParentItem(this);
if (qFuzzyIsNull(background->z()))
background->setZ(-1);
}
emit backgroundChanged();
}
}
void QQuickLabel::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
{
Q_D(QQuickLabel);
QQuickText::geometryChanged(newGeometry, oldGeometry);
if (d->background) {
QQuickItemPrivate *p = QQuickItemPrivate::get(d->background);
if (!p->widthValid) {
d->background->setWidth(newGeometry.width());
p->widthValid = false;
}
if (!p->heightValid) {
d->background->setHeight(newGeometry.height());
p->heightValid = false;
}
}
}
QT_END_NAMESPACE
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