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5.6.3: original simplewidgets.cpp
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kleuter
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5.6.3/qtbase/src/widgets/accessible/simplewidgets.cpp
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919
5.6.3/qtbase/src/widgets/accessible/simplewidgets.cpp
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/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the plugins of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "simplewidgets_p.h"
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#include <qabstractbutton.h>
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#include <qcheckbox.h>
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#include <qpushbutton.h>
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#include <qprogressbar.h>
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#include <qstatusbar.h>
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#include <qradiobutton.h>
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#include <qtoolbutton.h>
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#include <qmenu.h>
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#include <qlabel.h>
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#include <qgroupbox.h>
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#include <qlcdnumber.h>
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#include <qlineedit.h>
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#include <private/qlineedit_p.h>
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#include <qstyle.h>
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#include <qstyleoption.h>
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#include <qtextdocument.h>
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#include <qwindow.h>
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#include <private/qwindowcontainer_p.h>
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#include <QtCore/qvarlengtharray.h>
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#ifdef Q_OS_MAC
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#include <qfocusframe.h>
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#endif
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QT_BEGIN_NAMESPACE
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#ifndef QT_NO_ACCESSIBILITY
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extern QList<QWidget*> childWidgets(const QWidget *widget);
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QString qt_accStripAmp(const QString &text);
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QString qt_accHotKey(const QString &text);
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/*!
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\class QAccessibleButton
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\brief The QAccessibleButton class implements the QAccessibleInterface for button type widgets.
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\internal
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\ingroup accessibility
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*/
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/*!
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Creates a QAccessibleButton object for \a w.
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*/
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QAccessibleButton::QAccessibleButton(QWidget *w)
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: QAccessibleWidget(w)
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{
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Q_ASSERT(button());
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// FIXME: The checkable state of the button is dynamic,
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// while we only update the controlling signal once :(
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if (button()->isCheckable())
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addControllingSignal(QLatin1String("toggled(bool)"));
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else
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addControllingSignal(QLatin1String("clicked()"));
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}
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/*! Returns the button. */
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QAbstractButton *QAccessibleButton::button() const
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{
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return qobject_cast<QAbstractButton*>(object());
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}
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/*! \reimp */
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QString QAccessibleButton::text(QAccessible::Text t) const
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{
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QString str;
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switch (t) {
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case QAccessible::Accelerator:
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{
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#ifndef QT_NO_SHORTCUT
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QPushButton *pb = qobject_cast<QPushButton*>(object());
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if (pb && pb->isDefault())
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str = QKeySequence(Qt::Key_Enter).toString(QKeySequence::NativeText);
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#endif
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if (str.isEmpty())
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str = qt_accHotKey(button()->text());
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}
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break;
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case QAccessible::Name:
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str = widget()->accessibleName();
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if (str.isEmpty())
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str = qt_accStripAmp(button()->text());
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break;
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default:
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break;
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}
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if (str.isEmpty())
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str = QAccessibleWidget::text(t);
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return str;
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}
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QAccessible::State QAccessibleButton::state() const
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{
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QAccessible::State state = QAccessibleWidget::state();
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QAbstractButton *b = button();
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QCheckBox *cb = qobject_cast<QCheckBox *>(b);
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if (b->isCheckable())
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state.checkable = true;
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if (b->isChecked())
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state.checked = true;
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else if (cb && cb->checkState() == Qt::PartiallyChecked)
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state.checkStateMixed = true;
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if (b->isDown())
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state.pressed = true;
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QPushButton *pb = qobject_cast<QPushButton*>(b);
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if (pb) {
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if (pb->isDefault())
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state.defaultButton = true;
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#ifndef QT_NO_MENU
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if (pb->menu())
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state.hasPopup = true;
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#endif
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}
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return state;
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}
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QRect QAccessibleButton::rect() const
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{
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QAbstractButton *ab = button();
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if (!ab->isVisible())
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return QRect();
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if (QCheckBox *cb = qobject_cast<QCheckBox *>(ab)) {
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QPoint wpos = cb->mapToGlobal(QPoint(0, 0));
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QStyleOptionButton opt;
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cb->initStyleOption(&opt);
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return cb->style()->subElementRect(QStyle::SE_CheckBoxClickRect, &opt, cb).translated(wpos);
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} else if (QRadioButton *rb = qobject_cast<QRadioButton *>(ab)) {
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QPoint wpos = rb->mapToGlobal(QPoint(0, 0));
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QStyleOptionButton opt;
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rb->initStyleOption(&opt);
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return rb->style()->subElementRect(QStyle::SE_RadioButtonClickRect, &opt, rb).translated(wpos);
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}
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return QAccessibleWidget::rect();
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}
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QAccessible::Role QAccessibleButton::role() const
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{
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QAbstractButton *ab = button();
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#ifndef QT_NO_MENU
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if (QPushButton *pb = qobject_cast<QPushButton*>(ab)) {
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if (pb->menu())
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return QAccessible::ButtonMenu;
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}
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#endif
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if (ab->isCheckable())
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return ab->autoExclusive() ? QAccessible::RadioButton : QAccessible::CheckBox;
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return QAccessible::Button;
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}
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QStringList QAccessibleButton::actionNames() const
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{
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QStringList names;
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if (widget()->isEnabled()) {
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switch (role()) {
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case QAccessible::ButtonMenu:
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names << showMenuAction();
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break;
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case QAccessible::RadioButton:
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names << toggleAction();
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break;
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default:
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if (button()->isCheckable()) {
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names << toggleAction();
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} else {
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names << pressAction();
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}
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break;
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}
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}
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names << QAccessibleWidget::actionNames();
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return names;
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}
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void QAccessibleButton::doAction(const QString &actionName)
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{
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if (!widget()->isEnabled())
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return;
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if (actionName == pressAction() ||
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actionName == showMenuAction()) {
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#ifndef QT_NO_MENU
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QPushButton *pb = qobject_cast<QPushButton*>(object());
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if (pb && pb->menu())
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pb->showMenu();
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else
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#endif
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button()->animateClick();
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} else if (actionName == toggleAction()) {
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button()->toggle();
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} else {
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QAccessibleWidget::doAction(actionName);
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}
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}
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QStringList QAccessibleButton::keyBindingsForAction(const QString &actionName) const
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{
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if (actionName == pressAction()) {
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#ifndef QT_NO_SHORTCUT
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return QStringList() << button()->shortcut().toString();
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#endif
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}
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return QStringList();
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}
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#ifndef QT_NO_TOOLBUTTON
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/*!
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\class QAccessibleToolButton
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\brief The QAccessibleToolButton class implements the QAccessibleInterface for tool buttons.
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\internal
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\ingroup accessibility
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*/
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/*!
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Creates a QAccessibleToolButton object for \a w.
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*/
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QAccessibleToolButton::QAccessibleToolButton(QWidget *w)
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: QAccessibleButton(w)
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{
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Q_ASSERT(toolButton());
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}
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/*! Returns the button. */
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QToolButton *QAccessibleToolButton::toolButton() const
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{
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return qobject_cast<QToolButton*>(object());
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}
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/*!
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Returns \c true if this tool button is a split button.
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*/
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bool QAccessibleToolButton::isSplitButton() const
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{
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#ifndef QT_NO_MENU
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return toolButton()->menu() && toolButton()->popupMode() == QToolButton::MenuButtonPopup;
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#else
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return false;
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#endif
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}
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QAccessible::State QAccessibleToolButton::state() const
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{
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QAccessible::State st = QAccessibleButton::state();
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if (toolButton()->autoRaise())
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st.hotTracked = true;
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#ifndef QT_NO_MENU
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if (toolButton()->menu())
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st.hasPopup = true;
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#endif
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return st;
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}
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int QAccessibleToolButton::childCount() const
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{
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return isSplitButton() ? 1 : 0;
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}
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QAccessible::Role QAccessibleToolButton::role() const
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{
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QAbstractButton *ab = button();
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#ifndef QT_NO_MENU
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QToolButton *tb = qobject_cast<QToolButton*>(ab);
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if (!tb->menu())
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return tb->isCheckable() ? QAccessible::CheckBox : QAccessible::PushButton;
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else if (tb->popupMode() == QToolButton::DelayedPopup)
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return QAccessible::ButtonDropDown;
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#endif
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return QAccessible::ButtonMenu;
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}
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QAccessibleInterface *QAccessibleToolButton::child(int index) const
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{
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#ifndef QT_NO_MENU
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if (index == 0 && toolButton()->menu())
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{
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return QAccessible::queryAccessibleInterface(toolButton()->menu());
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}
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#endif
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return 0;
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}
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/*
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The three different tool button types can have the following actions:
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| DelayedPopup | ShowMenuAction + (PressedAction || CheckedAction) |
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| MenuButtonPopup | ShowMenuAction + (PressedAction || CheckedAction) |
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| InstantPopup | ShowMenuAction |
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*/
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QStringList QAccessibleToolButton::actionNames() const
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{
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QStringList names;
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if (widget()->isEnabled()) {
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if (toolButton()->menu())
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names << showMenuAction();
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if (toolButton()->popupMode() != QToolButton::InstantPopup)
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names << QAccessibleButton::actionNames();
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}
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return names;
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}
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void QAccessibleToolButton::doAction(const QString &actionName)
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{
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if (!widget()->isEnabled())
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return;
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if (actionName == pressAction()) {
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button()->click();
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} else if (actionName == showMenuAction()) {
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if (toolButton()->popupMode() != QToolButton::InstantPopup) {
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toolButton()->setDown(true);
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#ifndef QT_NO_MENU
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toolButton()->showMenu();
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#endif
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}
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} else {
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QAccessibleButton::doAction(actionName);
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}
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}
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#endif // QT_NO_TOOLBUTTON
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/*!
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\class QAccessibleDisplay
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\brief The QAccessibleDisplay class implements the QAccessibleInterface for widgets that display information.
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\internal
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\ingroup accessibility
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*/
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/*!
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Constructs a QAccessibleDisplay object for \a w.
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\a role is propagated to the QAccessibleWidget constructor.
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*/
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QAccessibleDisplay::QAccessibleDisplay(QWidget *w, QAccessible::Role role)
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: QAccessibleWidget(w, role)
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{
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}
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QAccessible::Role QAccessibleDisplay::role() const
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{
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QLabel *l = qobject_cast<QLabel*>(object());
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if (l) {
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if (l->pixmap())
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return QAccessible::Graphic;
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#ifndef QT_NO_PICTURE
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if (l->picture())
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return QAccessible::Graphic;
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#endif
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#ifndef QT_NO_MOVIE
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if (l->movie())
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return QAccessible::Animation;
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#endif
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#ifndef QT_NO_PROGRESSBAR
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} else if (qobject_cast<QProgressBar*>(object())) {
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return QAccessible::ProgressBar;
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#endif
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} else if (qobject_cast<QStatusBar*>(object())) {
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return QAccessible::StatusBar;
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}
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return QAccessibleWidget::role();
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}
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QString QAccessibleDisplay::text(QAccessible::Text t) const
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{
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QString str;
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switch (t) {
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case QAccessible::Name:
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str = widget()->accessibleName();
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if (str.isEmpty()) {
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if (qobject_cast<QLabel*>(object())) {
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QLabel *label = qobject_cast<QLabel*>(object());
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str = label->text();
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#ifndef QT_NO_TEXTHTMLPARSER
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if (label->textFormat() == Qt::RichText
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|| (label->textFormat() == Qt::AutoText && Qt::mightBeRichText(str))) {
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QTextDocument doc;
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doc.setHtml(str);
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str = doc.toPlainText();
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}
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#endif
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if (label->buddy())
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str = qt_accStripAmp(str);
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#ifndef QT_NO_LCDNUMBER
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} else if (qobject_cast<QLCDNumber*>(object())) {
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QLCDNumber *l = qobject_cast<QLCDNumber*>(object());
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if (l->digitCount())
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str = QString::number(l->value());
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else
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str = QString::number(l->intValue());
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#endif
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} else if (qobject_cast<QStatusBar*>(object())) {
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return qobject_cast<QStatusBar*>(object())->currentMessage();
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}
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}
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break;
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case QAccessible::Value:
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#ifndef QT_NO_PROGRESSBAR
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if (qobject_cast<QProgressBar*>(object()))
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str = QString::number(qobject_cast<QProgressBar*>(object())->value());
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#endif
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break;
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default:
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break;
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}
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if (str.isEmpty())
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str = QAccessibleWidget::text(t);
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return str;
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}
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/*! \reimp */
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QVector<QPair<QAccessibleInterface*, QAccessible::Relation> >
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QAccessibleDisplay::relations(QAccessible::Relation match /* = QAccessible::AllRelations */) const
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{
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QVector<QPair<QAccessibleInterface*, QAccessible::Relation> > rels = QAccessibleWidget::relations(match);
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if (match & QAccessible::Labelled) {
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QVarLengthArray<QObject *, 4> relatedObjects;
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#ifndef QT_NO_SHORTCUT
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if (QLabel *label = qobject_cast<QLabel*>(object())) {
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relatedObjects.append(label->buddy());
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}
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#endif
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for (int i = 0; i < relatedObjects.count(); ++i) {
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const QAccessible::Relation rel = QAccessible::Labelled;
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QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(relatedObjects.at(i));
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if (iface)
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rels.append(qMakePair(iface, rel));
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}
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}
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return rels;
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}
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||||
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void *QAccessibleDisplay::interface_cast(QAccessible::InterfaceType t)
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{
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if (t == QAccessible::ImageInterface)
|
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return static_cast<QAccessibleImageInterface*>(this);
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return QAccessibleWidget::interface_cast(t);
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}
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||||
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/*! \internal */
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QString QAccessibleDisplay::imageDescription() const
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||||
{
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#ifndef QT_NO_TOOLTIP
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||||
return widget()->toolTip();
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||||
#else
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||||
return QString::null;
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||||
#endif
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||||
}
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||||
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||||
/*! \internal */
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||||
QSize QAccessibleDisplay::imageSize() const
|
||||
{
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QLabel *label = qobject_cast<QLabel *>(widget());
|
||||
if (!label)
|
||||
return QSize();
|
||||
const QPixmap *pixmap = label->pixmap();
|
||||
if (!pixmap)
|
||||
return QSize();
|
||||
return pixmap->size();
|
||||
}
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||||
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||||
/*! \internal */
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||||
QPoint QAccessibleDisplay::imagePosition() const
|
||||
{
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||||
QLabel *label = qobject_cast<QLabel *>(widget());
|
||||
if (!label)
|
||||
return QPoint();
|
||||
const QPixmap *pixmap = label->pixmap();
|
||||
if (!pixmap)
|
||||
return QPoint();
|
||||
|
||||
return QPoint(label->mapToGlobal(label->pos()));
|
||||
}
|
||||
|
||||
#ifndef QT_NO_GROUPBOX
|
||||
QAccessibleGroupBox::QAccessibleGroupBox(QWidget *w)
|
||||
: QAccessibleWidget(w)
|
||||
{
|
||||
}
|
||||
|
||||
QGroupBox* QAccessibleGroupBox::groupBox() const
|
||||
{
|
||||
return static_cast<QGroupBox *>(widget());
|
||||
}
|
||||
|
||||
QString QAccessibleGroupBox::text(QAccessible::Text t) const
|
||||
{
|
||||
QString txt = QAccessibleWidget::text(t);
|
||||
|
||||
if (txt.isEmpty()) {
|
||||
switch (t) {
|
||||
case QAccessible::Name:
|
||||
txt = qt_accStripAmp(groupBox()->title());
|
||||
break;
|
||||
case QAccessible::Description:
|
||||
txt = groupBox()->toolTip();
|
||||
break;
|
||||
case QAccessible::Accelerator:
|
||||
txt = qt_accHotKey(groupBox()->title());
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return txt;
|
||||
}
|
||||
|
||||
QAccessible::State QAccessibleGroupBox::state() const
|
||||
{
|
||||
QAccessible::State st = QAccessibleWidget::state();
|
||||
st.checkable = groupBox()->isCheckable();
|
||||
st.checked = groupBox()->isChecked();
|
||||
return st;
|
||||
}
|
||||
|
||||
QAccessible::Role QAccessibleGroupBox::role() const
|
||||
{
|
||||
return groupBox()->isCheckable() ? QAccessible::CheckBox : QAccessible::Grouping;
|
||||
}
|
||||
|
||||
QVector<QPair<QAccessibleInterface*, QAccessible::Relation> >
|
||||
QAccessibleGroupBox::relations(QAccessible::Relation match /* = QAccessible::AllRelations */) const
|
||||
{
|
||||
QVector<QPair<QAccessibleInterface*, QAccessible::Relation> > rels = QAccessibleWidget::relations(match);
|
||||
|
||||
if ((match & QAccessible::Labelled) && (!groupBox()->title().isEmpty())) {
|
||||
const QList<QWidget*> kids = childWidgets(widget());
|
||||
for (int i = 0; i < kids.count(); ++i) {
|
||||
QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(kids.at(i));
|
||||
if (iface)
|
||||
rels.append(qMakePair(iface, QAccessible::Relation(QAccessible::Labelled)));
|
||||
}
|
||||
}
|
||||
return rels;
|
||||
}
|
||||
|
||||
QStringList QAccessibleGroupBox::actionNames() const
|
||||
{
|
||||
QStringList actions = QAccessibleWidget::actionNames();
|
||||
|
||||
if (groupBox()->isCheckable()) {
|
||||
actions.prepend(QAccessibleActionInterface::toggleAction());
|
||||
}
|
||||
return actions;
|
||||
}
|
||||
|
||||
void QAccessibleGroupBox::doAction(const QString &actionName)
|
||||
{
|
||||
if (actionName == QAccessibleActionInterface::toggleAction())
|
||||
groupBox()->setChecked(!groupBox()->isChecked());
|
||||
}
|
||||
|
||||
QStringList QAccessibleGroupBox::keyBindingsForAction(const QString &) const
|
||||
{
|
||||
return QStringList();
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#ifndef QT_NO_LINEEDIT
|
||||
/*!
|
||||
\class QAccessibleLineEdit
|
||||
\brief The QAccessibleLineEdit class implements the QAccessibleInterface for widgets with editable text
|
||||
\internal
|
||||
|
||||
\ingroup accessibility
|
||||
*/
|
||||
|
||||
/*!
|
||||
Constructs a QAccessibleLineEdit object for \a w.
|
||||
\a name is propagated to the QAccessibleWidget constructor.
|
||||
*/
|
||||
QAccessibleLineEdit::QAccessibleLineEdit(QWidget *w, const QString &name)
|
||||
: QAccessibleWidget(w, QAccessible::EditableText, name)
|
||||
{
|
||||
addControllingSignal(QLatin1String("textChanged(const QString&)"));
|
||||
addControllingSignal(QLatin1String("returnPressed()"));
|
||||
}
|
||||
|
||||
/*! Returns the line edit. */
|
||||
QLineEdit *QAccessibleLineEdit::lineEdit() const
|
||||
{
|
||||
return qobject_cast<QLineEdit*>(object());
|
||||
}
|
||||
|
||||
QString QAccessibleLineEdit::text(QAccessible::Text t) const
|
||||
{
|
||||
QString str;
|
||||
switch (t) {
|
||||
case QAccessible::Value:
|
||||
if (lineEdit()->echoMode() == QLineEdit::Normal)
|
||||
str = lineEdit()->text();
|
||||
else if (lineEdit()->echoMode() != QLineEdit::NoEcho)
|
||||
str = QString(lineEdit()->text().length(), QChar::fromLatin1('*'));
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
if (str.isEmpty())
|
||||
str = QAccessibleWidget::text(t);
|
||||
return str;
|
||||
}
|
||||
|
||||
void QAccessibleLineEdit::setText(QAccessible::Text t, const QString &text)
|
||||
{
|
||||
if (t != QAccessible::Value) {
|
||||
QAccessibleWidget::setText(t, text);
|
||||
return;
|
||||
}
|
||||
|
||||
QString newText = text;
|
||||
if (lineEdit()->validator()) {
|
||||
int pos = 0;
|
||||
if (lineEdit()->validator()->validate(newText, pos) != QValidator::Acceptable)
|
||||
return;
|
||||
}
|
||||
lineEdit()->setText(newText);
|
||||
}
|
||||
|
||||
QAccessible::State QAccessibleLineEdit::state() const
|
||||
{
|
||||
QAccessible::State state = QAccessibleWidget::state();
|
||||
|
||||
QLineEdit *l = lineEdit();
|
||||
if (l->isReadOnly())
|
||||
state.readOnly = true;
|
||||
else
|
||||
state.editable = true;
|
||||
|
||||
if (l->echoMode() != QLineEdit::Normal)
|
||||
state.passwordEdit = true;
|
||||
|
||||
state.selectableText = true;
|
||||
return state;
|
||||
}
|
||||
|
||||
void *QAccessibleLineEdit::interface_cast(QAccessible::InterfaceType t)
|
||||
{
|
||||
if (t == QAccessible::TextInterface)
|
||||
return static_cast<QAccessibleTextInterface*>(this);
|
||||
if (t == QAccessible::EditableTextInterface)
|
||||
return static_cast<QAccessibleEditableTextInterface*>(this);
|
||||
return QAccessibleWidget::interface_cast(t);
|
||||
}
|
||||
|
||||
void QAccessibleLineEdit::addSelection(int startOffset, int endOffset)
|
||||
{
|
||||
setSelection(0, startOffset, endOffset);
|
||||
}
|
||||
|
||||
QString QAccessibleLineEdit::attributes(int offset, int *startOffset, int *endOffset) const
|
||||
{
|
||||
// QLineEdit doesn't have text attributes
|
||||
*startOffset = *endOffset = offset;
|
||||
return QString();
|
||||
}
|
||||
|
||||
int QAccessibleLineEdit::cursorPosition() const
|
||||
{
|
||||
return lineEdit()->cursorPosition();
|
||||
}
|
||||
|
||||
QRect QAccessibleLineEdit::characterRect(int offset) const
|
||||
{
|
||||
int x = lineEdit()->d_func()->control->cursorToX(offset);
|
||||
int y;
|
||||
lineEdit()->getTextMargins(0, &y, 0, 0);
|
||||
QFontMetrics fm(lineEdit()->font());
|
||||
const QString ch = text(offset, offset + 1);
|
||||
if (ch.isEmpty())
|
||||
return QRect();
|
||||
int w = fm.width(ch);
|
||||
int h = fm.height();
|
||||
QRect r(x, y, w, h);
|
||||
r.moveTo(lineEdit()->mapToGlobal(r.topLeft()));
|
||||
return r;
|
||||
}
|
||||
|
||||
int QAccessibleLineEdit::selectionCount() const
|
||||
{
|
||||
return lineEdit()->hasSelectedText() ? 1 : 0;
|
||||
}
|
||||
|
||||
int QAccessibleLineEdit::offsetAtPoint(const QPoint &point) const
|
||||
{
|
||||
QPoint p = lineEdit()->mapFromGlobal(point);
|
||||
|
||||
return lineEdit()->cursorPositionAt(p);
|
||||
}
|
||||
|
||||
void QAccessibleLineEdit::selection(int selectionIndex, int *startOffset, int *endOffset) const
|
||||
{
|
||||
*startOffset = *endOffset = 0;
|
||||
if (selectionIndex != 0)
|
||||
return;
|
||||
|
||||
*startOffset = lineEdit()->selectionStart();
|
||||
*endOffset = *startOffset + lineEdit()->selectedText().count();
|
||||
}
|
||||
|
||||
QString QAccessibleLineEdit::text(int startOffset, int endOffset) const
|
||||
{
|
||||
if (startOffset > endOffset)
|
||||
return QString();
|
||||
|
||||
if (lineEdit()->echoMode() != QLineEdit::Normal)
|
||||
return QString();
|
||||
|
||||
return lineEdit()->text().mid(startOffset, endOffset - startOffset);
|
||||
}
|
||||
|
||||
QString QAccessibleLineEdit::textBeforeOffset(int offset, QAccessible::TextBoundaryType boundaryType,
|
||||
int *startOffset, int *endOffset) const
|
||||
{
|
||||
if (lineEdit()->echoMode() != QLineEdit::Normal) {
|
||||
*startOffset = *endOffset = -1;
|
||||
return QString();
|
||||
}
|
||||
if (offset == -2)
|
||||
offset = cursorPosition();
|
||||
return QAccessibleTextInterface::textBeforeOffset(offset, boundaryType, startOffset, endOffset);
|
||||
}
|
||||
|
||||
QString QAccessibleLineEdit::textAfterOffset(int offset, QAccessible::TextBoundaryType boundaryType,
|
||||
int *startOffset, int *endOffset) const
|
||||
{
|
||||
if (lineEdit()->echoMode() != QLineEdit::Normal) {
|
||||
*startOffset = *endOffset = -1;
|
||||
return QString();
|
||||
}
|
||||
if (offset == -2)
|
||||
offset = cursorPosition();
|
||||
return QAccessibleTextInterface::textAfterOffset(offset, boundaryType, startOffset, endOffset);
|
||||
}
|
||||
|
||||
QString QAccessibleLineEdit::textAtOffset(int offset, QAccessible::TextBoundaryType boundaryType,
|
||||
int *startOffset, int *endOffset) const
|
||||
{
|
||||
if (lineEdit()->echoMode() != QLineEdit::Normal) {
|
||||
*startOffset = *endOffset = -1;
|
||||
return QString();
|
||||
}
|
||||
if (offset == -2)
|
||||
offset = cursorPosition();
|
||||
return QAccessibleTextInterface::textAtOffset(offset, boundaryType, startOffset, endOffset);
|
||||
}
|
||||
|
||||
void QAccessibleLineEdit::removeSelection(int selectionIndex)
|
||||
{
|
||||
if (selectionIndex != 0)
|
||||
return;
|
||||
|
||||
lineEdit()->deselect();
|
||||
}
|
||||
|
||||
void QAccessibleLineEdit::setCursorPosition(int position)
|
||||
{
|
||||
lineEdit()->setCursorPosition(position);
|
||||
}
|
||||
|
||||
void QAccessibleLineEdit::setSelection(int selectionIndex, int startOffset, int endOffset)
|
||||
{
|
||||
if (selectionIndex != 0)
|
||||
return;
|
||||
|
||||
lineEdit()->setSelection(startOffset, endOffset - startOffset);
|
||||
}
|
||||
|
||||
int QAccessibleLineEdit::characterCount() const
|
||||
{
|
||||
return lineEdit()->text().count();
|
||||
}
|
||||
|
||||
void QAccessibleLineEdit::scrollToSubstring(int startIndex, int endIndex)
|
||||
{
|
||||
lineEdit()->setCursorPosition(endIndex);
|
||||
lineEdit()->setCursorPosition(startIndex);
|
||||
}
|
||||
|
||||
void QAccessibleLineEdit::deleteText(int startOffset, int endOffset)
|
||||
{
|
||||
lineEdit()->setText(lineEdit()->text().remove(startOffset, endOffset - startOffset));
|
||||
}
|
||||
|
||||
void QAccessibleLineEdit::insertText(int offset, const QString &text)
|
||||
{
|
||||
lineEdit()->setText(lineEdit()->text().insert(offset, text));
|
||||
}
|
||||
|
||||
void QAccessibleLineEdit::replaceText(int startOffset, int endOffset, const QString &text)
|
||||
{
|
||||
lineEdit()->setText(lineEdit()->text().replace(startOffset, endOffset - startOffset, text));
|
||||
}
|
||||
|
||||
#endif // QT_NO_LINEEDIT
|
||||
|
||||
#ifndef QT_NO_PROGRESSBAR
|
||||
QAccessibleProgressBar::QAccessibleProgressBar(QWidget *o)
|
||||
: QAccessibleDisplay(o)
|
||||
{
|
||||
Q_ASSERT(progressBar());
|
||||
}
|
||||
|
||||
void *QAccessibleProgressBar::interface_cast(QAccessible::InterfaceType t)
|
||||
{
|
||||
if (t == QAccessible::ValueInterface)
|
||||
return static_cast<QAccessibleValueInterface*>(this);
|
||||
return QAccessibleDisplay::interface_cast(t);
|
||||
}
|
||||
|
||||
QVariant QAccessibleProgressBar::currentValue() const
|
||||
{
|
||||
return progressBar()->value();
|
||||
}
|
||||
|
||||
QVariant QAccessibleProgressBar::maximumValue() const
|
||||
{
|
||||
return progressBar()->maximum();
|
||||
}
|
||||
|
||||
QVariant QAccessibleProgressBar::minimumValue() const
|
||||
{
|
||||
return progressBar()->minimum();
|
||||
}
|
||||
|
||||
QVariant QAccessibleProgressBar::minimumStepSize() const
|
||||
{
|
||||
// This is arbitrary since any value between min and max is valid.
|
||||
// Some screen readers (orca use it to calculate how many digits to display though,
|
||||
// so it makes sense to return a "sensible" value. Providing 100 increments seems ok.
|
||||
return (progressBar()->maximum() - progressBar()->minimum()) / 100.0;
|
||||
}
|
||||
|
||||
QProgressBar *QAccessibleProgressBar::progressBar() const
|
||||
{
|
||||
return qobject_cast<QProgressBar *>(object());
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
QAccessibleWindowContainer::QAccessibleWindowContainer(QWidget *w)
|
||||
: QAccessibleWidget(w)
|
||||
{
|
||||
}
|
||||
|
||||
int QAccessibleWindowContainer::childCount() const
|
||||
{
|
||||
if (container()->containedWindow())
|
||||
return 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int QAccessibleWindowContainer::indexOfChild(const QAccessibleInterface *child) const
|
||||
{
|
||||
if (child->object() == container()->containedWindow())
|
||||
return 0;
|
||||
return -1;
|
||||
}
|
||||
|
||||
QAccessibleInterface *QAccessibleWindowContainer::child(int i) const
|
||||
{
|
||||
if (i == 0)
|
||||
return QAccessible::queryAccessibleInterface(container()->containedWindow());
|
||||
return 0;
|
||||
}
|
||||
|
||||
QWindowContainer *QAccessibleWindowContainer::container() const
|
||||
{
|
||||
return static_cast<QWindowContainer *>(widget());
|
||||
}
|
||||
|
||||
#endif // QT_NO_ACCESSIBILITY
|
||||
|
||||
QT_END_NAMESPACE
|
||||
Loading…
Reference in New Issue
Block a user