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Diffstat (limited to 'src/quicktemplates2/qquickroundbutton.cpp')
-rw-r--r-- | src/quicktemplates2/qquickroundbutton.cpp | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/quicktemplates2/qquickroundbutton.cpp b/src/quicktemplates2/qquickroundbutton.cpp new file mode 100644 index 00000000..4169b269 --- /dev/null +++ b/src/quicktemplates2/qquickroundbutton.cpp @@ -0,0 +1,143 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Quick Templates 2 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 "qquickroundbutton_p.h" + +#include <QtQuickTemplates2/private/qquickbutton_p_p.h> + +QT_BEGIN_NAMESPACE + +/*! + \qmltype RoundButton + \inherits Button + \instantiates QQuickRoundButton + \inqmlmodule QtQuick.Controls + \since 5.8 + \ingroup qtquickcontrols2-buttons + \brief A push-button control with rounded corners that can be clicked by the user. + + \image qtquickcontrols2-roundbutton.png + + RoundButton is identical to \l Button, except that it has a \l radius property + which allows the corners to be rounded without having to customize the + \l background. + + \snippet qtquickcontrols2-roundbutton.qml 1 + + \sa {Customizing RoundButton}, {Button Controls} +*/ + +class QQuickRoundButtonPrivate : public QQuickButtonPrivate +{ + Q_DECLARE_PUBLIC(QQuickRoundButton) + +public: + QQuickRoundButtonPrivate(); + + qreal radius; + bool explicitRadius; + + void setRadius(qreal newRadius = -1.0); +}; + +QQuickRoundButtonPrivate::QQuickRoundButtonPrivate() : + radius(0), + explicitRadius(false) +{ +} + +void QQuickRoundButtonPrivate::setRadius(qreal newRadius) +{ + Q_Q(QQuickRoundButton); + const qreal oldRadius = radius; + if (newRadius < 0) + radius = qMax<qreal>(0, qMin(width, height) / 2); + else + radius = newRadius; + + if (!qFuzzyCompare(radius, oldRadius)) + emit q->radiusChanged(); +} + +QQuickRoundButton::QQuickRoundButton(QQuickItem *parent) : + QQuickButton(*(new QQuickRoundButtonPrivate), parent) +{ +} + +/*! + \qmlproperty real QtQuick.Controls::RoundButton::radius + + This property holds the radius of the button. + + To create a relatively square button that has slightly rounded corners, + use a small value, such as \c 3. + + To create a completely circular button (the default), use a value that is + equal to half of the width or height of the button, and make the button's + width and height identical. + + To reset this property back to the default value, set its value to + \c undefined. +*/ +qreal QQuickRoundButton::radius() const +{ + Q_D(const QQuickRoundButton); + return d->radius; +} + +void QQuickRoundButton::setRadius(qreal radius) +{ + Q_D(QQuickRoundButton); + d->explicitRadius = true; + d->setRadius(radius); +} + +void QQuickRoundButton::resetRadius() +{ + Q_D(QQuickRoundButton); + d->explicitRadius = false; + d->setRadius(); +} + +void QQuickRoundButton::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) +{ + Q_D(QQuickRoundButton); + QQuickControl::geometryChanged(newGeometry, oldGeometry); + if (!d->explicitRadius) + d->setRadius(); +} + +QT_END_NAMESPACE |