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| |
| #include "qaccessibleobject.h" |
| |
| #ifndef QT_NO_ACCESSIBILITY |
| |
| #include <QtGui/QGuiApplication> |
| #include <QtGui/QWindow> |
| |
| #include "qpointer.h" |
| #include "qmetaobject.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QAccessibleObjectPrivate |
| { |
| public: |
| QPointer<QObject> object; |
| }; |
| |
| /*! |
| \class QAccessibleObject |
| \brief The QAccessibleObject class implements parts of the |
| QAccessibleInterface for QObjects. |
| |
| \ingroup accessibility |
| \inmodule QtGui |
| |
| This class is part of \l {Accessibility for QWidget Applications}. |
| |
| This class is mainly provided for convenience. All subclasses of |
| the QAccessibleInterface that provide implementations of non-widget objects |
| should use this class as their base class. |
| |
| \sa QAccessible, QAccessibleWidget |
| */ |
| |
| /*! |
| Creates a QAccessibleObject for \a object. |
| */ |
| QAccessibleObject::QAccessibleObject(QObject *object) |
| { |
| d = new QAccessibleObjectPrivate; |
| d->object = object; |
| } |
| |
| /*! |
| Destroys the QAccessibleObject. |
| |
| This only happens when a call to release() decrements the internal |
| reference counter to zero. |
| */ |
| QAccessibleObject::~QAccessibleObject() |
| { |
| delete d; |
| } |
| |
| /*! |
| \reimp |
| */ |
| QObject *QAccessibleObject::object() const |
| { |
| return d->object; |
| } |
| |
| /*! |
| \reimp |
| */ |
| bool QAccessibleObject::isValid() const |
| { |
| return !d->object.isNull(); |
| } |
| |
| /*! \reimp */ |
| QRect QAccessibleObject::rect() const |
| { |
| return QRect(); |
| } |
| |
| /*! \reimp */ |
| void QAccessibleObject::setText(QAccessible::Text, const QString &) |
| { |
| } |
| |
| /*! \reimp */ |
| QAccessibleInterface *QAccessibleObject::childAt(int x, int y) const |
| { |
| for (int i = 0; i < childCount(); ++i) { |
| QAccessibleInterface *childIface = child(i); |
| Q_ASSERT(childIface); |
| if (childIface->isValid() && childIface->rect().contains(x,y)) |
| return childIface; |
| } |
| return nullptr; |
| } |
| |
| /*! |
| \class QAccessibleApplication |
| \brief The QAccessibleApplication class implements the QAccessibleInterface for QApplication. |
| |
| \internal |
| |
| \ingroup accessibility |
| */ |
| |
| /*! |
| Creates a QAccessibleApplication for the QApplication object referenced by qApp. |
| */ |
| QAccessibleApplication::QAccessibleApplication() |
| : QAccessibleObject(qApp) |
| { |
| } |
| |
| QWindow *QAccessibleApplication::window() const |
| { |
| // an application can have several windows, and AFAIK we don't need |
| // to notify about changes on the application. |
| return nullptr; |
| } |
| |
| // all toplevel windows except popups and the desktop |
| static QObjectList topLevelObjects() |
| { |
| QObjectList list; |
| const QWindowList tlw(QGuiApplication::topLevelWindows()); |
| for (int i = 0; i < tlw.count(); ++i) { |
| QWindow *w = tlw.at(i); |
| if (w->type() != Qt::Popup && w->type() != Qt::Desktop) { |
| if (QAccessibleInterface *root = w->accessibleRoot()) { |
| if (root->object()) |
| list.append(root->object()); |
| } |
| } |
| } |
| |
| return list; |
| } |
| |
| /*! \reimp */ |
| int QAccessibleApplication::childCount() const |
| { |
| return topLevelObjects().count(); |
| } |
| |
| /*! \reimp */ |
| int QAccessibleApplication::indexOfChild(const QAccessibleInterface *child) const |
| { |
| if (!child) |
| return -1; |
| const QObjectList tlw(topLevelObjects()); |
| return tlw.indexOf(child->object()); |
| } |
| |
| QAccessibleInterface *QAccessibleApplication::parent() const |
| { |
| return nullptr; |
| } |
| |
| QAccessibleInterface *QAccessibleApplication::child(int index) const |
| { |
| const QObjectList tlo(topLevelObjects()); |
| if (index >= 0 && index < tlo.count()) |
| return QAccessible::queryAccessibleInterface(tlo.at(index)); |
| return nullptr; |
| } |
| |
| |
| /*! \reimp */ |
| QAccessibleInterface *QAccessibleApplication::focusChild() const |
| { |
| if (QWindow *window = QGuiApplication::focusWindow()) |
| return window->accessibleRoot(); |
| return nullptr; |
| } |
| |
| /*! \reimp */ |
| QString QAccessibleApplication::text(QAccessible::Text t) const |
| { |
| switch (t) { |
| case QAccessible::Name: |
| return QGuiApplication::applicationName(); |
| case QAccessible::Description: |
| return QGuiApplication::applicationFilePath(); |
| default: |
| break; |
| } |
| return QString(); |
| } |
| |
| /*! \reimp */ |
| QAccessible::Role QAccessibleApplication::role() const |
| { |
| return QAccessible::Application; |
| } |
| |
| /*! \reimp */ |
| QAccessible::State QAccessibleApplication::state() const |
| { |
| return QAccessible::State(); |
| } |
| |
| |
| QT_END_NAMESPACE |
| |
| #endif //QT_NO_ACCESSIBILITY |