qaccessiblewidgets.cpp

奇趣公司比较新的qt/emd版本

}

QStackedWidget *QAccessibleStackedWidget::stackedWidget() const
{
    return static_cast<QStackedWidget *>(object());
}
#endif // QT_NO_STACKEDWIDGET

#ifndef QT_NO_TOOLBOX
// ======================= QAccessibleToolBox ======================
QAccessibleToolBox::QAccessibleToolBox(QWidget *widget)
    : QAccessibleWidgetEx(widget, LayeredPane)
{
    Q_ASSERT(qobject_cast<QToolBox *>(widget));
}

QString QAccessibleToolBox::text(Text textType, int child) const
{
    if (textType != Value || child <= 0 || child > toolBox()->count())
        return QAccessibleWidgetEx::text(textType, child);
    return toolBox()->itemText(child - 1);
}

void QAccessibleToolBox::setText(Text textType, int child, const QString &text)
{
    if (textType != Value || child <= 0 || child > toolBox()->count()) {
        QAccessibleWidgetEx::setText(textType, child, text);
        return;
    }
    toolBox()->setItemText(child - 1, text);
}

QAccessible::State QAccessibleToolBox::state(int child) const
{
    QWidget *childWidget = toolBox()->widget(child - 1);
    if (!childWidget)
        return QAccessibleWidgetEx::state(child);
    QAccessible::State childState = QAccessible::Normal;
    if (toolBox()->currentWidget() == childWidget)
        childState |= QAccessible::Expanded;
    else
        childState |= QAccessible::Collapsed;
    return childState;
}

QVariant QAccessibleToolBox::invokeMethodEx(QAccessible::Method, int, const QVariantList &)
{
    return QVariant();
}

int QAccessibleToolBox::childCount() const
{
    return toolBox()->count();
}

int QAccessibleToolBox::indexOfChild(const QAccessibleInterface *child) const
{
    if (!child)
        return -1;
    QWidget *childWidget = qobject_cast<QWidget *>(child->object());
    if (!childWidget)
        return -1;
    int index = toolBox()->indexOf(childWidget);
    if (index != -1)
        ++index;
    return index;
}

int QAccessibleToolBox::navigate(RelationFlag relation, int entry, QAccessibleInterface **target) const
{
    *target = 0;
    if (entry <= 0 || entry > toolBox()->count())
        return QAccessibleWidgetEx::navigate(relation, entry, target);
    int index = -1;
    if (relation == QAccessible::Up)
        index = entry - 2;
    else if (relation == QAccessible::Down)
        index = entry;
    *target = QAccessible::queryAccessibleInterface(toolBox()->widget(index));
    return *target ? 0: -1;
}

QToolBox * QAccessibleToolBox::toolBox() const
{
    return static_cast<QToolBox *>(object());
}
#endif // QT_NO_TOOLBOX

// ======================= QAccessibleMdiArea ======================
#ifndef QT_NO_MDIAREA
QAccessibleMdiArea::QAccessibleMdiArea(QWidget *widget)
    : QAccessibleWidgetEx(widget, LayeredPane)
{
    Q_ASSERT(qobject_cast<QMdiArea *>(widget));
}

QAccessible::State QAccessibleMdiArea::state(int child) const
{
    if (child < 0)
        return QAccessibleWidgetEx::state(child);
    if (child == 0)
        return QAccessible::Normal;
    QList<QMdiSubWindow *> subWindows = mdiArea()->subWindowList();
    if (subWindows.isEmpty() || child > subWindows.count())
        return QAccessibleWidgetEx::state(child);
    if (subWindows.at(child - 1) == mdiArea()->activeSubWindow())
        return QAccessible::Focused;
    return QAccessible::Normal;
}

QVariant QAccessibleMdiArea::invokeMethodEx(QAccessible::Method, int, const QVariantList &)
{
    return QVariant();
}

int QAccessibleMdiArea::childCount() const
{
    return mdiArea()->subWindowList().count();
}

int QAccessibleMdiArea::indexOfChild(const QAccessibleInterface *child) const
{
    if (!child || !child->object() || mdiArea()->subWindowList().isEmpty())
        return -1;
    if (QMdiSubWindow *window = qobject_cast<QMdiSubWindow *>(child->object())) {
        int index = mdiArea()->subWindowList().indexOf(window);
        if (index != -1)
            return ++index;
    }
    return -1;
}

int QAccessibleMdiArea::navigate(RelationFlag relation, int entry, QAccessibleInterface **target) const
{
    *target = 0;
    QWidget *targetObject = 0;
    QList<QMdiSubWindow *> subWindows = mdiArea()->subWindowList();
    switch (relation) {
    case Child:
        if (entry < 1 || subWindows.isEmpty() || entry > subWindows.count())
            return -1;
        targetObject = subWindows.at(entry - 1);
        break;
    case Up:
    case Down:
    case Left:
    case Right:
        targetObject = mdiAreaNavigate(mdiArea(), relation, entry);
        break;
    default:
        return QAccessibleWidgetEx::navigate(relation, entry, target);
    }
    *target = QAccessible::queryAccessibleInterface(targetObject);
    return *target ? 0: -1;
}

QMdiArea *QAccessibleMdiArea::mdiArea() const
{
    return static_cast<QMdiArea *>(object());
}

// ======================= QAccessibleMdiSubWindow ======================
QAccessibleMdiSubWindow::QAccessibleMdiSubWindow(QWidget *widget)
    : QAccessibleWidgetEx(widget, QAccessible::Window)
{
    Q_ASSERT(qobject_cast<QMdiSubWindow *>(widget));
}

QString QAccessibleMdiSubWindow::text(Text textType, int child) const
{
    if (textType == QAccessible::Name && (child == 0 || child == 1)) {
        QString title = mdiSubWindow()->windowTitle();
        title.replace(QLatin1String("[*]"), QLatin1String(""));
        return title;
    }
    return QAccessibleWidgetEx::text(textType, child);
}

void QAccessibleMdiSubWindow::setText(Text textType, int child, const QString &text)
{
    if (textType == QAccessible::Name && (child == 0 || child == 1))
        mdiSubWindow()->setWindowTitle(text);
    else
        QAccessibleWidgetEx::setText(textType, child, text);
}

QAccessible::State QAccessibleMdiSubWindow::state(int child) const
{
    if (child != 0 || !mdiSubWindow()->parent())
        return QAccessibleWidgetEx::state(child);
    QAccessible::State state = QAccessible::Normal | QAccessible::Focusable;
    if (!mdiSubWindow()->isMaximized())
        state |= (QAccessible::Movable | QAccessible::Sizeable);
    if (mdiSubWindow()->isAncestorOf(QApplication::focusWidget())
            || QApplication::focusWidget() == mdiSubWindow())
        state |= QAccessible::Focused;
    if (!mdiSubWindow()->isVisible())
        state |= QAccessible::Invisible;
    if (!mdiSubWindow()->parentWidget()->contentsRect().contains(mdiSubWindow()->geometry()))
        state |= QAccessible::Offscreen;
    if (!mdiSubWindow()->isEnabled())
        state |= QAccessible::Unavailable;
    return state;
}

QVariant QAccessibleMdiSubWindow::invokeMethodEx(QAccessible::Method, int, const QVariantList &)
{
    return QVariant();
}

int QAccessibleMdiSubWindow::childCount() const
{
    if (mdiSubWindow()->widget())
        return 1;
    return 0;
}

int QAccessibleMdiSubWindow::indexOfChild(const QAccessibleInterface *child) const
{
    if (child && child->object() && child->object() == mdiSubWindow()->widget())
        return 1;
    return -1;
}

int QAccessibleMdiSubWindow::navigate(RelationFlag relation, int entry, QAccessibleInterface **target) const
{
    *target = 0;

    if (!mdiSubWindow()->parent())
        return QAccessibleWidgetEx::navigate(relation, entry, target);

    QWidget *targetObject = 0;
    QMdiSubWindow *source = mdiSubWindow();
    switch (relation) {
    case Child:
        if (entry != 1 || !source->widget())
            return -1;
        targetObject = source->widget();
        break;
    case Up:
    case Down:
    case Left:
    case Right: {
        if (entry != 0)
            break;
        QWidget *parent = source->parentWidget();
        while (parent && !parent->inherits("QMdiArea"))
            parent = parent->parentWidget();
        QMdiArea *mdiArea = qobject_cast<QMdiArea *>(parent);
        if (!mdiArea)
            break;
        int index = mdiArea->subWindowList().indexOf(source);
        if (index == -1)
            break;
        if (QWidget *dest = mdiAreaNavigate(mdiArea, relation, index + 1)) {
            *target = QAccessible::queryAccessibleInterface(dest);
            return *target ? 0 : -1;
        }
        break;
    }
    default:
        return QAccessibleWidgetEx::navigate(relation, entry, target);
    }
    *target = QAccessible::queryAccessibleInterface(targetObject);
    return *target ? 0: -1;
}

QRect QAccessibleMdiSubWindow::rect(int child) const
{
    if (mdiSubWindow()->isHidden())
        return QRect();
    if (!mdiSubWindow()->parent())
        return QAccessibleWidgetEx::rect(child);
    const QPoint pos = mdiSubWindow()->mapToGlobal(QPoint(0, 0));
    if (child == 0)
        return QRect(pos, mdiSubWindow()->size());
    if (child == 1 && mdiSubWindow()->widget()) {
        if (mdiSubWindow()->widget()->isHidden())
            return QRect();
        const QRect contentsRect = mdiSubWindow()->contentsRect();
        return QRect(pos.x() + contentsRect.x(), pos.y() + contentsRect.y(),
                     contentsRect.width(), contentsRect.height());
    }
    return QRect();
}

int QAccessibleMdiSubWindow::childAt(int x, int y) const
{
    if (!mdiSubWindow()->isVisible())
        return -1;
    if (!mdiSubWindow()->parent())
        return QAccessibleWidgetEx::childAt(x, y);
    const QRect globalGeometry = rect(0);
    if (!globalGeometry.isValid())
        return -1;
    const QRect globalChildGeometry = rect(1);
    if (globalChildGeometry.isValid() && globalChildGeometry.contains(QPoint(x, y)))
        return 1;
    if (globalGeometry.contains(QPoint(x, y)))
        return 0;
    return -1;
}

QMdiSubWindow *QAccessibleMdiSubWindow::mdiSubWindow() const
{
    return static_cast<QMdiSubWindow *>(object());
}
#endif // QT_NO_MDIAREA

// ======================= QAccessibleWorkspace ======================
#ifndef QT_NO_WORKSPACE
QAccessibleWorkspace::QAccessibleWorkspace(QWidget *widget)
    : QAccessibleWidgetEx(widget, LayeredPane)
{
    Q_ASSERT(qobject_cast<QWorkspace *>(widget));
}

QAccessible::State QAccessibleWorkspace::state(int child) const
{
    if (child < 0)
        return QAccessibleWidgetEx::state(child);
    if (child == 0)
        return QAccessible::Normal;
    QWidgetList subWindows = workspace()->windowList();
    if (subWindows.isEmpty() || child > subWindows.count())
        return QAccessibleWidgetEx::state(child);
    if (subWindows.at(child - 1) == workspace()->activeWindow())
        return QAccessible::Focused;
    return QAccessible::Normal;
}

QVariant QAccessibleWorkspace::invokeMethodEx(QAccessible::Method, int, const QVariantList &)
{
    return QVariant();
}

int QAccessibleWorkspace::childCount() const
{
    return workspace()->windowList().count();
}

int QAccessibleWorkspace::indexOfChild(const QAccessibleInterface *child) const
{
    if (!child || !child->object() || workspace()->windowList().isEmpty())
        return -1;
    if (QWidget *window = qobject_cast<QWidget *>(child->object())) {
        int index = workspace()->windowList().indexOf(window);
        if (index != -1)
            return ++index;
    }
    return -1;
}

int QAccessibleWorkspace::navigate(RelationFlag relation, int entry, QAccessibleInterface **target) const
{
    *target = 0;
    QWidget *targetObject = 0;
    QWidgetList subWindows = workspace()->windowList();
    switch (relation) {
    case Child:
        if (entry < 1 || subWindows.isEmpty() || entry > subWindows.count())
            return -1;
        targetObject = subWindows.at(entry - 1);
        break;
    case Up:
    case Down:
    case Left:
    case Right:
        targetObject = mdiAreaNavigate(workspace(), relation, entry);
        break;
    default:
        return QAccessibleWidgetEx::navigate(relation, entry, target);
    }
    *target = QAccessible::queryAccessibleInterface(targetObject);
    return *target ? 0: -1;
}

QWorkspace *QAccessibleWorkspace::workspace() const
{
    return static_cast<QWorkspace *>(object());
}
#endif

#ifndef QT_NO_DIALOGBUTTONBOX
// ======================= QAccessibleDialogButtonBox ======================
QAccessibleDialogButtonBox::QAccessibleDialogButtonBox(QWidget *widget)
    : QAccessibleWidgetEx(widget, Grouping)
{
    Q_ASSERT(qobject_cast<QDialogButtonBox*>(widget));
}

QVariant QAccessibleDialogButtonBox::invokeMethodEx(QAccessible::Method, int, const QVariantList &)
{
    return QVariant();
}
#endif // QT_NO_DIALOGBUTTONBOX

#ifndef QT_NO_TEXTBROWSER
QAccessibleTextBrowser::QAccessibleTextBrowser(QWidget *widget)
    : QAccessibleTextEdit(widget)
{
    Q_ASSERT(qobject_cast<QTextBrowser *>(widget));
}

QAccessible::Role QAccessibleTextBrowser::role(int child) const
{
    if (child != 0)
        return QAccessibleTextEdit::role(child);