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Diffstat (limited to 'src/widgets/accessible/rangecontrols.cpp')
| -rw-r--r-- | src/widgets/accessible/rangecontrols.cpp | 416 |
1 files changed, 416 insertions, 0 deletions
diff --git a/src/widgets/accessible/rangecontrols.cpp b/src/widgets/accessible/rangecontrols.cpp new file mode 100644 index 0000000000..d8f118e4a1 --- /dev/null +++ b/src/widgets/accessible/rangecontrols.cpp @@ -0,0 +1,416 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "rangecontrols.h" + +#include <qslider.h> +#include <qdial.h> +#include <qspinbox.h> +#include <qscrollbar.h> +#include <qstyle.h> +#include <qstyleoption.h> +#include <qdebug.h> +#include <qglobal.h> +#include <QDoubleSpinBox> +#include <QDial> +#include <QtWidgets/qlineedit.h> +#include <qmath.h> +#include <private/qmath_p.h> + +#include "simplewidgets.h" // let spinbox use line edit's interface + +QT_BEGIN_NAMESPACE + +#ifndef QT_NO_ACCESSIBILITY + +#ifndef QT_NO_SPINBOX +QAccessibleAbstractSpinBox::QAccessibleAbstractSpinBox(QWidget *w) +: QAccessibleWidget(w, QAccessible::SpinBox), lineEdit(Q_NULLPTR) +{ + Q_ASSERT(abstractSpinBox()); +} + +QAccessibleAbstractSpinBox::~QAccessibleAbstractSpinBox() +{ + delete lineEdit; +} + +/*! + Returns the underlying QAbstractSpinBox. +*/ +QAbstractSpinBox *QAccessibleAbstractSpinBox::abstractSpinBox() const +{ + return qobject_cast<QAbstractSpinBox*>(object()); +} + +QAccessibleInterface *QAccessibleAbstractSpinBox::lineEditIface() const +{ + // QAccessibleLineEdit is only used to forward the text functions + if (!lineEdit) + lineEdit = new QAccessibleLineEdit(abstractSpinBox()->lineEdit()); + return lineEdit; +} + +QString QAccessibleAbstractSpinBox::text(QAccessible::Text t) const +{ + if (t == QAccessible::Value) + return abstractSpinBox()->text(); + return QAccessibleWidget::text(t); +} + +void *QAccessibleAbstractSpinBox::interface_cast(QAccessible::InterfaceType t) +{ + if (t == QAccessible::ValueInterface) + return static_cast<QAccessibleValueInterface*>(this); + if (t == QAccessible::TextInterface) + return static_cast<QAccessibleTextInterface*>(this); + if (t == QAccessible::EditableTextInterface) + return static_cast<QAccessibleEditableTextInterface*>(this); + return QAccessibleWidget::interface_cast(t); +} + +QVariant QAccessibleAbstractSpinBox::currentValue() const +{ + return abstractSpinBox()->property("value"); +} + +void QAccessibleAbstractSpinBox::setCurrentValue(const QVariant &value) +{ + abstractSpinBox()->setProperty("value", value); +} + +QVariant QAccessibleAbstractSpinBox::maximumValue() const +{ + return abstractSpinBox()->property("maximum"); +} + +QVariant QAccessibleAbstractSpinBox::minimumValue() const +{ + return abstractSpinBox()->property("minimum"); +} + +QVariant QAccessibleAbstractSpinBox::minimumStepSize() const +{ + return abstractSpinBox()->property("stepSize"); +} + +void QAccessibleAbstractSpinBox::addSelection(int startOffset, int endOffset) +{ + lineEditIface()->textInterface()->addSelection(startOffset, endOffset); +} + +QString QAccessibleAbstractSpinBox::attributes(int offset, int *startOffset, int *endOffset) const +{ + return lineEditIface()->textInterface()->attributes(offset, startOffset, endOffset); +} + +int QAccessibleAbstractSpinBox::cursorPosition() const +{ + return lineEditIface()->textInterface()->cursorPosition(); +} + +QRect QAccessibleAbstractSpinBox::characterRect(int offset) const +{ + return lineEditIface()->textInterface()->characterRect(offset); +} + +int QAccessibleAbstractSpinBox::selectionCount() const +{ + return lineEditIface()->textInterface()->selectionCount(); +} + +int QAccessibleAbstractSpinBox::offsetAtPoint(const QPoint &point) const +{ + return lineEditIface()->textInterface()->offsetAtPoint(point); +} + +void QAccessibleAbstractSpinBox::selection(int selectionIndex, int *startOffset, int *endOffset) const +{ + lineEditIface()->textInterface()->selection(selectionIndex, startOffset, endOffset); +} + +QString QAccessibleAbstractSpinBox::text(int startOffset, int endOffset) const +{ + return lineEditIface()->textInterface()->text(startOffset, endOffset); +} + +QString QAccessibleAbstractSpinBox::textBeforeOffset(int offset, QAccessible::TextBoundaryType boundaryType, int *startOffset, int *endOffset) const +{ + return lineEditIface()->textInterface()->textBeforeOffset(offset, boundaryType, startOffset, endOffset); +} + +QString QAccessibleAbstractSpinBox::textAfterOffset(int offset, QAccessible::TextBoundaryType boundaryType, int *startOffset, int *endOffset) const +{ + return lineEditIface()->textInterface()->textAfterOffset(offset, boundaryType, startOffset, endOffset); +} + +QString QAccessibleAbstractSpinBox::textAtOffset(int offset, QAccessible::TextBoundaryType boundaryType, int *startOffset, int *endOffset) const +{ + return lineEditIface()->textInterface()->textAtOffset(offset, boundaryType, startOffset, endOffset); +} + +void QAccessibleAbstractSpinBox::removeSelection(int selectionIndex) +{ + lineEditIface()->textInterface()->removeSelection(selectionIndex); +} + +void QAccessibleAbstractSpinBox::setCursorPosition(int position) +{ + lineEditIface()->textInterface()->setCursorPosition(position); +} + +void QAccessibleAbstractSpinBox::setSelection(int selectionIndex, int startOffset, int endOffset) +{ + lineEditIface()->textInterface()->setSelection(selectionIndex, startOffset, endOffset); +} + +int QAccessibleAbstractSpinBox::characterCount() const +{ + return lineEditIface()->textInterface()->characterCount(); +} + +void QAccessibleAbstractSpinBox::scrollToSubstring(int startIndex, int endIndex) +{ + lineEditIface()->textInterface()->scrollToSubstring(startIndex, endIndex); +} + +void QAccessibleAbstractSpinBox::deleteText(int startOffset, int endOffset) +{ + lineEditIface()->editableTextInterface()->deleteText(startOffset, endOffset); +} + +void QAccessibleAbstractSpinBox::insertText(int offset, const QString &text) +{ + lineEditIface()->editableTextInterface()->insertText(offset, text); +} + +void QAccessibleAbstractSpinBox::replaceText(int startOffset, int endOffset, const QString &text) +{ + lineEditIface()->editableTextInterface()->replaceText(startOffset, endOffset, text); +} + + +/*! + \class QAccessibleSpinBox + \brief The QAccessibleSpinBox class implements the QAccessibleInterface for spinbox widgets. + \internal + + \ingroup accessibility +*/ + +/*! + Constructs a QAccessibleSpinWidget object for \a w. +*/ +QAccessibleSpinBox::QAccessibleSpinBox(QWidget *w) +: QAccessibleAbstractSpinBox(w) +{ + Q_ASSERT(spinBox()); + addControllingSignal(QLatin1String("valueChanged(int)")); + addControllingSignal(QLatin1String("valueChanged(QString)")); +} + +/*! + Returns the underlying QSpinBox. +*/ +QSpinBox *QAccessibleSpinBox::spinBox() const +{ + return qobject_cast<QSpinBox*>(object()); +} + + +// ================================== QAccessibleDoubleSpinBox ================================== +QAccessibleDoubleSpinBox::QAccessibleDoubleSpinBox(QWidget *widget) + : QAccessibleAbstractSpinBox(widget) +{ + Q_ASSERT(qobject_cast<QDoubleSpinBox *>(widget)); + addControllingSignal(QLatin1String("valueChanged(double)")); + addControllingSignal(QLatin1String("valueChanged(QString)")); +} + +/*! + Returns the underlying QDoubleSpinBox. +*/ +QDoubleSpinBox *QAccessibleDoubleSpinBox::doubleSpinBox() const +{ + return static_cast<QDoubleSpinBox*>(object()); +} + +QString QAccessibleDoubleSpinBox::text(QAccessible::Text textType) const +{ + if (textType == QAccessible::Value) + return doubleSpinBox()->textFromValue(doubleSpinBox()->value()); + return QAccessibleWidget::text(textType); +} + +#endif // QT_NO_SPINBOX + +#ifndef QT_NO_SCROLLBAR +/*! + \class QAccessibleScrollBar + \brief The QAccessibleScrollBar class implements the QAccessibleInterface for scroll bars. + \internal + + \ingroup accessibility +*/ + +/*! + Constructs a QAccessibleScrollBar object for \a w. + \a name is propagated to the QAccessibleWidget constructor. +*/ +QAccessibleScrollBar::QAccessibleScrollBar(QWidget *w) +: QAccessibleAbstractSlider(w, QAccessible::ScrollBar) +{ + Q_ASSERT(scrollBar()); + addControllingSignal(QLatin1String("valueChanged(int)")); +} + +/*! Returns the scroll bar. */ +QScrollBar *QAccessibleScrollBar::scrollBar() const +{ + return qobject_cast<QScrollBar*>(object()); +} + +QString QAccessibleScrollBar::text(QAccessible::Text t) const +{ + if (t == QAccessible::Value) + return QString::number(scrollBar()->value()); + return QAccessibleAbstractSlider::text(t); +} + +#endif // QT_NO_SCROLLBAR + +#ifndef QT_NO_SLIDER +/*! + \class QAccessibleSlider + \brief The QAccessibleSlider class implements the QAccessibleInterface for sliders. + \internal + + \ingroup accessibility +*/ + +/*! + Constructs a QAccessibleScrollBar object for \a w. + \a name is propagated to the QAccessibleWidget constructor. +*/ +QAccessibleSlider::QAccessibleSlider(QWidget *w) +: QAccessibleAbstractSlider(w) +{ + Q_ASSERT(slider()); + addControllingSignal(QLatin1String("valueChanged(int)")); +} + +/*! Returns the slider. */ +QSlider *QAccessibleSlider::slider() const +{ + return qobject_cast<QSlider*>(object()); +} + +QString QAccessibleSlider::text(QAccessible::Text t) const +{ + if (t == QAccessible::Value) + return QString::number(slider()->value()); + + return QAccessibleAbstractSlider::text(t); +} + +QAccessibleAbstractSlider::QAccessibleAbstractSlider(QWidget *w, QAccessible::Role r) + : QAccessibleWidget(w, r) +{ + Q_ASSERT(qobject_cast<QAbstractSlider *>(w)); +} + +void *QAccessibleAbstractSlider::interface_cast(QAccessible::InterfaceType t) +{ + if (t == QAccessible::ValueInterface) + return static_cast<QAccessibleValueInterface*>(this); + return QAccessibleWidget::interface_cast(t); +} + +QVariant QAccessibleAbstractSlider::currentValue() const +{ + return abstractSlider()->value(); +} + +void QAccessibleAbstractSlider::setCurrentValue(const QVariant &value) +{ + abstractSlider()->setValue(value.toInt()); +} + +QVariant QAccessibleAbstractSlider::maximumValue() const +{ + return abstractSlider()->maximum(); +} + +QVariant QAccessibleAbstractSlider::minimumValue() const +{ + return abstractSlider()->minimum(); +} + +QVariant QAccessibleAbstractSlider::minimumStepSize() const +{ + return abstractSlider()->singleStep(); +} + +QAbstractSlider *QAccessibleAbstractSlider::abstractSlider() const +{ + return static_cast<QAbstractSlider *>(object()); +} + +#endif // QT_NO_SLIDER + +#ifndef QT_NO_DIAL +// ======================================= QAccessibleDial ====================================== +QAccessibleDial::QAccessibleDial(QWidget *widget) + : QAccessibleAbstractSlider(widget, QAccessible::Dial) +{ + Q_ASSERT(qobject_cast<QDial *>(widget)); + addControllingSignal(QLatin1String("valueChanged(int)")); +} + +QString QAccessibleDial::text(QAccessible::Text textType) const +{ + if (textType == QAccessible::Value) + return QString::number(dial()->value()); + + return QAccessibleAbstractSlider::text(textType); +} + +QDial *QAccessibleDial::dial() const +{ + return static_cast<QDial*>(object()); +} +#endif // QT_NO_DIAL + +#endif // QT_NO_ACCESSIBILITY + +QT_END_NAMESPACE |