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authorBrad King <brad.king@kitware.com>2017-02-06 19:37:07 (GMT)
committerBrad King <brad.king@kitware.com>2017-02-06 19:37:07 (GMT)
commit84df4a49500e51ac6e2a19a77e385e66234386f7 (patch)
tree3853b28de24e43b5c45bc28bdc8cc50add651b0f /Source/cmLinkLineComputer.cxx
parent566d20771f82492081c55c9da6f1768941eee40a (diff)
parent6cffc98ca0625d0f5db1c34e59b9271416bc212e (diff)
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Merge branch 'FeatureSummary-doc-cleanup' into releasev3.8.0-rc1
Diffstat (limited to 'Source/cmLinkLineComputer.cxx')
0 files changed, 0 insertions, 0 deletions
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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation 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."
** $QT_END_LICENSE$
**
****************************************************************************/


//! [0]
QAccessibleSlider::QAccessibleSlider(QWidget *w)
: QAccessibleAbstractSlider(w)
{
    Q_ASSERT(slider());
    addControllingSignal(QLatin1String("valueChanged(int)"));
}
//! [0]

QSlider *QAccessibleSlider::slider() const
{
    return qobject_cast<QSlider*>(object());
}

//! [1]
QRect QAccessibleSlider::rect(int child) const
{
//! [1]
    QRect rect;
    if (!slider()->isVisible())
        return rect;
    const QStyleOptionSlider option = qt_qsliderStyleOption(slider());
    QRect srect = slider()->style()->subControlRect(QStyle::CC_Slider, &option,
                                                    QStyle::SC_SliderHandle, slider());

//! [2]
    switch (child) {
    case PageLeft:
        if (slider()->orientation() == Qt::Vertical)
            rect = QRect(0, 0, slider()->width(), srect.y());
        else
            rect = QRect(0, 0, srect.x(), slider()->height());
        break;
    case Position:
        rect = srect;
        break;
    case PageRight:
        if (slider()->orientation() == Qt::Vertical)
            rect = QRect(0, srect.y() + srect.height(), slider()->width(), slider()->height()- srect.y() - srect.height());
        else
            rect = QRect(srect.x() + srect.width(), 0, slider()->width() - srect.x() - srect.width(), slider()->height());
        break;
    default:
        return QAccessibleAbstractSlider::rect(child);
    }
//! [2] //! [3]

    QPoint tp = slider()->mapToGlobal(QPoint(0,0));
    return QRect(tp.x() + rect.x(), tp.y() + rect.y(), rect.width(), rect.height());
}
//! [3]

int QAccessibleSlider::childCount() const
{
    if (!slider()->isVisible())
        return 0;
    return PageRight;
}

//! [4]
QString QAccessibleSlider::text(Text t, int child) const
{
    if (!slider()->isVisible())
        return QString();
    switch (t) {
    case Value:
        if (!child || child == 2)
            return QString::number(slider()->value());
        return QString();
    case Name:
        switch (child) {
        case PageLeft:
            return slider()->orientation() == Qt::Horizontal ?
                QSlider::tr("Page left") : QSlider::tr("Page up");
        case Position:
            return QSlider::tr("Position");
        case PageRight:
            return slider()->orientation() == Qt::Horizontal ?
                QSlider::tr("Page right") : QSlider::tr("Page down");
        }
        break;
    default:
        break;
    }
    return QAccessibleAbstractSlider::text(t, child);
}
//! [4]

//! [5]
QAccessible::Role QAccessibleSlider::role(int child) const
{
    switch (child) {
    case PageLeft:
    case PageRight:
        return PushButton;
    case Position:
        return Indicator;
    default:
        return Slider;
    }
}
//! [5]

//! [6]
QAccessible::State QAccessibleSlider::state(int child) const
{
    const State parentState = QAccessibleAbstractSlider::state(0);
//! [6]

    if (child == 0)
        return parentState;

    // Inherit the Invisible state from parent.
    State state = parentState & QAccessible::Invisible;

    // Disable left/right if we are at the minimum/maximum.
    const QSlider * const slider = QAccessibleSlider::slider();
//! [7]
    switch (child) {
    case PageLeft:
        if (slider->value() <= slider->minimum())
            state |= Unavailable;
        break;
    case PageRight:
        if (slider->value() >= slider->maximum())
            state |= Unavailable;
        break;
    case Position:
    default:
        break;
    }

    return state;
}
//! [7]

int QAccessibleSlider::defaultAction(int child) const
{
    switch (child) {
        case SliderSelf:
            return SetFocus;
        case PageLeft:
            return Press;
        case PageRight:
            return Press;
    }

    return 0;
}

// Name, Description, Value, Help, Accelerator
static const char * const actionTexts[][5] =
{
    {"Press", "Decreases the value of the slider", "", "", "Ctrl+L"},
    {"Press", "Increaces the value of the slider", "", "", "Ctrl+R"}
};

QString QAccessibleSlider::actionText(int action, Text text, int child) const
{
    if (action != Press || child < 1 || child > 2)
        return QAccessibleAbstractSlider::actionText(action, text, child);        

    return actionTexts[child - 1][t];
}

bool QAccessibleSlider::doAction(int action, int child)
{
    if (action != Press || child < 1 || child > 2)
        return false;
    
    if (child == PageLeft)
        slider()->setValue(slider()->value() - slider()->pageStep());
    else
        slider()->setValue(slider()->value() + slider()->pageStep());
}

QAccessibleAbstractSlider::QAccessibleAbstractSlider(QWidget *w, Role r)
    : QAccessibleWidgetEx(w, r)
{
    Q_ASSERT(qobject_cast<QAbstractSlider *>(w));
}

QVariant QAccessibleAbstractSlider::invokeMethodEx(Method method, int child, const QVariantList &params)
{
    switch (method) {
    case ListSupportedMethods: {
        QSet<QAccessible::Method> set;
        set << ListSupportedMethods;
        return qVariantFromValue(set | qvariant_cast<QSet<QAccessible::Method> >(
                    QAccessibleWidgetEx::invokeMethodEx(method, child, params)));
    }
    default:
        return QAccessibleWidgetEx::invokeMethodEx(method, child, params);
    }
}

QVariant QAccessibleAbstractSlider::currentValue()
{
    return abstractSlider()->value();
}

void QAccessibleAbstractSlider::setCurrentValue(const QVariant &value)
{
    abstractSlider()->setValue(value.toInt());
}

QVariant QAccessibleAbstractSlider::maximumValue()
{
    return abstractSlider()->maximum();
}

QVariant QAccessibleAbstractSlider::minimumValue()
{
    return abstractSlider()->minimum();
}

QAbstractSlider *QAccessibleAbstractSlider::abstractSlider() const
{
    return static_cast<QAbstractSlider *>(object());
}