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| 1 | /**************************************************************************** | - |
| | ** | |
| | ** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). | |
| | ** Contact: http://www.qt-project.org/legal | |
| | ** | |
| | ** This file is part of the QtGui module of the Qt Toolkit. | |
| | ** | |
| | ** $QT_BEGIN_LICENSE:LGPL$ | |
| | ** 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 as published by the Free Software | |
| | ** Foundation and appearing in the file LICENSE.LGPL included in the | |
| | ** packaging of this file. Please review the following information to | |
| | ** ensure the GNU Lesser General Public License version 2.1 requirements | |
| | ** will be met: 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. | |
| | ** | |
| | ** GNU General Public License Usage | |
| | ** Alternatively, this file may be used under the terms of the GNU | |
| | ** General Public License version 3.0 as published by the Free Software | |
| | ** Foundation and appearing in the file LICENSE.GPL included in the | |
| | ** packaging of this file. Please review the following information to | |
| | ** ensure the GNU General Public License version 3.0 requirements will be | |
| | ** met: http://www.gnu.org/copyleft/gpl.html. | |
| | ** | |
| | ** | |
| | ** $QT_END_LICENSE$ | |
| | ** | |
| | ****************************************************************************/**************************************************************************** | |
| 2 | ** | - |
| 3 | ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). | - |
| 4 | ** Contact: http://www.qt-project.org/legal | - |
| 5 | ** | - |
| 6 | ** This file is part of the QtGui module of the Qt Toolkit. | - |
| 7 | ** | - |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | - |
| 9 | ** Commercial License Usage | - |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | - |
| 11 | ** accordance with the commercial license agreement provided with the | - |
| 12 | ** Software or, alternatively, in accordance with the terms contained in | - |
| 13 | ** a written agreement between you and Digia. For licensing terms and | - |
| 14 | ** conditions see http://qt.digia.com/licensing. For further information | - |
| 15 | ** use the contact form at http://qt.digia.com/contact-us. | - |
| 16 | ** | - |
| 17 | ** GNU Lesser General Public License Usage | - |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | - |
| 19 | ** General Public License version 2.1 as published by the Free Software | - |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL included in the | - |
| 21 | ** packaging of this file. Please review the following information to | - |
| 22 | ** ensure the GNU Lesser General Public License version 2.1 requirements | - |
| 23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | - |
| 24 | ** | - |
| 25 | ** In addition, as a special exception, Digia gives you certain additional | - |
| 26 | ** rights. These rights are described in the Digia Qt LGPL Exception | - |
| 27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | - |
| 28 | ** | - |
| 29 | ** GNU General Public License Usage | - |
| 30 | ** Alternatively, this file may be used under the terms of the GNU | - |
| 31 | ** General Public License version 3.0 as published by the Free Software | - |
| 32 | ** Foundation and appearing in the file LICENSE.GPL included in the | - |
| 33 | ** packaging of this file. Please review the following information to | - |
| 34 | ** ensure the GNU General Public License version 3.0 requirements will be | - |
| 35 | ** met: http://www.gnu.org/copyleft/gpl.html. | - |
| 36 | ** | - |
| 37 | ** | - |
| 38 | ** $QT_END_LICENSE$ | - |
| 39 | ** | - |
| 40 | ****************************************************************************/ | - |
| 41 | | - |
| 42 | #include "qaccessiblewidget.h" | - |
| 43 | | - |
| 44 | #ifndef QT_NO_ACCESSIBILITY | - |
| 45 | | - |
| 46 | #include "qaction.h" | - |
| 47 | #include "qapplication.h" | - |
| 48 | #include "qgroupbox.h" | - |
| 49 | #include "qlabel.h" | - |
| 50 | #include "qtooltip.h" | - |
| 51 | #include "qwhatsthis.h" | - |
| 52 | #include "qwidget.h" | - |
| 53 | #include "qdebug.h" | - |
| 54 | #include <qmath.h> | - |
| 55 | #include <QRubberBand> | - |
| 56 | #include <QFocusFrame> | - |
| 57 | #include <QMenu> | - |
| 58 | | - |
| 59 | QT_BEGIN_NAMESPACE | - |
| 60 | | - |
| 61 | static QList<QWidget*> childWidgets(const QWidget *widget) | - |
| 62 | { | - |
| 63 | QList<QObject*> list = widget->children(); | - |
| 64 | QList<QWidget*> widgets; | - |
| 65 | for (int i = 0; i < list.size(); ++i) { | - |
| 66 | QWidget *w = qobject_cast<QWidget *>(list.at(i)); | - |
| 67 | if (w && !w->isWindow() | - |
| 68 | && !qobject_cast<QFocusFrame*>(w) | - |
| 69 | #if !defined(QT_NO_MENU) | - |
| 70 | && !qobject_cast<QMenu*>(w) | - |
| 71 | #endif | - |
| 72 | && w->objectName() != QLatin1String("qt_rubberband")) | - |
| 73 | widgets.append(w); | - |
| 74 | } | - |
| 75 | return widgets; | - |
| 76 | } | - |
| 77 | | - |
| 78 | static QString buddyString(const QWidget *widget) | - |
| 79 | { | - |
| 80 | if (!widget) | - |
| 81 | return QString(); | - |
| 82 | QWidget *parent = widget->parentWidget(); | - |
| 83 | if (!parent) | - |
| 84 | return QString(); | - |
| 85 | #ifndef QT_NO_SHORTCUT | - |
| 86 | QObjectList ol = parent->children(); | - |
| 87 | for (int i = 0; i < ol.size(); ++i) { | - |
| 88 | QLabel *label = qobject_cast<QLabel*>(ol.at(i)); | - |
| 89 | if (label && label->buddy() == widget) | - |
| 90 | return label->text(); | - |
| 91 | } | - |
| 92 | #endif | - |
| 93 | | - |
| 94 | #ifndef QT_NO_GROUPBOX | - |
| 95 | QGroupBox *groupbox = qobject_cast<QGroupBox*>(parent); | - |
| 96 | if (groupbox) | - |
| 97 | return groupbox->title(); | - |
| 98 | #endif | - |
| 99 | | - |
| 100 | return QString(); | - |
| 101 | } | - |
| 102 | | - |
| 103 | /* This function will return the offset of the '&' in the text that would be | - |
| 104 | preceding the accelerator character. | - |
| 105 | If this text does not have an accelerator, -1 will be returned. */ | - |
| 106 | static int qt_accAmpIndex(const QString &text) | - |
| 107 | { | - |
| 108 | #ifndef QT_NO_SHORTCUT | - |
| 109 | if (text.isEmpty()) | - |
| 110 | return -1; | - |
| 111 | | - |
| 112 | int fa = 0; | - |
| 113 | QChar ac; | - |
| 114 | while ((fa = text.indexOf(QLatin1Char('&'), fa)) != -1) { | - |
| 115 | ++fa; | - |
| 116 | if (fa < text.length()) { | - |
| 117 | // ignore "&&" | - |
| 118 | if (text.at(fa) == QLatin1Char('&')) { | - |
| 119 | | - |
| 120 | ++fa; | - |
| 121 | continue; | - |
| 122 | } else { | - |
| 123 | return fa - 1; | - |
| 124 | break; | - |
| 125 | } | - |
| 126 | } | - |
| 127 | } | - |
| 128 | | - |
| 129 | return -1; | - |
| 130 | #else | - |
| 131 | Q_UNUSED(text); | - |
| 132 | return -1; | - |
| 133 | #endif | - |
| 134 | } | - |
| 135 | | - |
| 136 | QString Q_WIDGETS_EXPORT qt_accStripAmp(const QString &text) | - |
| 137 | { | - |
| 138 | QString newText(text); | - |
| 139 | int ampIndex = qt_accAmpIndex(newText); | - |
| 140 | if (ampIndex != -1) | - |
| 141 | newText.remove(ampIndex, 1); | - |
| 142 | | - |
| 143 | return newText.replace(QLatin1String("&&"), QLatin1String("&")); | - |
| 144 | } | - |
| 145 | | - |
| 146 | QString Q_WIDGETS_EXPORT qt_accHotKey(const QString &text) | - |
| 147 | { | - |
| 148 | int ampIndex = qt_accAmpIndex(text); | - |
| 149 | if (ampIndex != -1) | - |
| 150 | return QKeySequence(Qt::ALT).toString(QKeySequence::NativeText) + text.at(ampIndex + 1); | - |
| 151 | | - |
| 152 | return QString(); | - |
| 153 | } | - |
| 154 | | - |
| 155 | class QAccessibleWidgetPrivate | - |
| 156 | { | - |
| 157 | public: | - |
| 158 | QAccessibleWidgetPrivate() | - |
| 159 | :role(QAccessible::Client) | - |
| 160 | {} | - |
| 161 | | - |
| 162 | QAccessible::Role role; | - |
| 163 | QString name; | - |
| 164 | QStringList primarySignals; | - |
| 165 | }; | - |
| 166 | | - |
| 167 | /*! | - |
| 168 | \class QAccessibleWidget | - |
| 169 | \brief The QAccessibleWidget class implements the QAccessibleInterface for QWidgets. | - |
| 170 | \internal | - |
| 171 | | - |
| 172 | \ingroup accessibility | - |
| 173 | \inmodule QtWidgets | - |
| 174 | | - |
| 175 | This class is part of \l {Accessibility for QWidget Applications}. | - |
| 176 | | - |
| 177 | This class is convenient to use as a base class for custom | - |
| 178 | implementations of QAccessibleInterfaces that provide information | - |
| 179 | about widget objects. | - |
| 180 | | - |
| 181 | The class provides functions to retrieve the parentObject() (the | - |
| 182 | widget's parent widget), and the associated widget(). Controlling | - |
| 183 | signals can be added with addControllingSignal(), and setters are | - |
| 184 | provided for various aspects of the interface implementation, for | - |
| 185 | example setValue(), setDescription(), setAccelerator(), and | - |
| 186 | setHelp(). | - |
| 187 | | - |
| 188 | \sa QAccessible, QAccessibleObject | - |
| 189 | */ | - |
| 190 | | - |
| 191 | /*! | - |
| 192 | Creates a QAccessibleWidget object for widget \a w. | - |
| 193 | \a role and \a name are optional parameters that set the object's | - |
| 194 | role and name properties. | - |
| 195 | */ | - |
| 196 | QAccessibleWidget::QAccessibleWidget(QWidget *w, QAccessible::Role role, const QString &name) | - |
| 197 | : QAccessibleObject(w) | - |
| 198 | { | - |
| 199 | Q_ASSERT(widget()); | - |
| 200 | d = new QAccessibleWidgetPrivate(); | - |
| 201 | d->role = role; | - |
| 202 | d->name = name; | - |
| 203 | } | - |
| 204 | | - |
| 205 | /*! \reimp */ | - |
| 206 | QWindow *QAccessibleWidget::window() const | - |
| 207 | { | - |
| 208 | return widget()->windowHandle(); | - |
| 209 | } | - |
| 210 | | - |
| 211 | /*! | - |
| 212 | Destroys this object. | - |
| 213 | */ | - |
| 214 | QAccessibleWidget::~QAccessibleWidget() | - |
| 215 | { | - |
| 216 | delete d; | - |
| 217 | } | - |
| 218 | | - |
| 219 | /*! | - |
| 220 | Returns the associated widget. | - |
| 221 | */ | - |
| 222 | QWidget *QAccessibleWidget::widget() const | - |
| 223 | { | - |
| 224 | return qobject_cast<QWidget*>(object()); | - |
| 225 | } | - |
| 226 | | - |
| 227 | /*! | - |
| 228 | Returns the associated widget's parent object, which is either the | - |
| 229 | parent widget, or qApp for top-level widgets. | - |
| 230 | */ | - |
| 231 | QObject *QAccessibleWidget::parentObject() const | - |
| 232 | { | - |
| 233 | QObject *parent = object()->parent(); | - |
| 234 | if (!parent) | - |
| 235 | parent = qApp; | - |
| 236 | return parent; | - |
| 237 | } | - |
| 238 | | - |
| 239 | /*! \reimp */ | - |
| 240 | QRect QAccessibleWidget::rect() const | - |
| 241 | { | - |
| 242 | QWidget *w = widget(); | - |
| 243 | if (!w->isVisible()) | - |
| 244 | return QRect(); | - |
| 245 | QPoint wpos = w->mapToGlobal(QPoint(0, 0)); | - |
| 246 | | - |
| 247 | return QRect(wpos.x(), wpos.y(), w->width(), w->height()); | - |
| 248 | } | - |
| 249 | | - |
| 250 | QT_BEGIN_INCLUDE_NAMESPACE | - |
| 251 | #include <private/qobject_p.h> | - |
| 252 | QT_END_INCLUDE_NAMESPACE | - |
| 253 | | - |
| 254 | class QACConnectionObject : public QObject | - |
| 255 | { | - |
| 256 | Q_DECLARE_PRIVATE(QObject) | - |
| 257 | public: | - |
| 258 | inline bool isSender(const QObject *receiver, const char *signal) const | - |
| 259 | { return d_func()->isSender(receiver, signal); } | - |
| 260 | inline QObjectList receiverList(const char *signal) const | - |
| 261 | { return d_func()->receiverList(signal); } | - |
| 262 | inline QObjectList senderList() const | - |
| 263 | { return d_func()->senderList(); } | - |
| 264 | }; | - |
| 265 | | - |
| 266 | /*! | - |
| 267 | Registers \a signal as a controlling signal. | - |
| 268 | | - |
| 269 | An object is a Controller to any other object connected to a | - |
| 270 | controlling signal. | - |
| 271 | */ | - |
| 272 | void QAccessibleWidget::addControllingSignal(const QString &signal) | - |
| 273 | { | - |
| 274 | QByteArray s = QMetaObject::normalizedSignature(signal.toLatin1()); | - |
| 275 | if (object()->metaObject()->indexOfSignal(s) < 0) | - |
| 276 | qWarning("Signal %s unknown in %s", s.constData(), object()->metaObject()->className()); | - |
| 277 | d->primarySignals << QLatin1String(s); | - |
| 278 | } | - |
| 279 | | - |
| 280 | static inline bool isAncestor(const QObject *obj, const QObject *child) | - |
| 281 | { | - |
| 282 | while (child) { | - |
| 283 | if (child == obj) | - |
| 284 | return true; | - |
| 285 | child = child->parent(); | - |
| 286 | } | - |
| 287 | return false; | - |
| 288 | } | - |
| 289 | | - |
| 290 | /*! \reimp */ | - |
| 291 | QVector<QPair<QAccessibleInterface*, QAccessible::Relation> > | - |
| 292 | QAccessibleWidget::relations(QAccessible::Relation match /*= QAccessible::AllRelations*/) const | - |
| 293 | { | - |
| 294 | QVector<QPair<QAccessibleInterface*, QAccessible::Relation> > rels; | - |
| 295 | if (match & QAccessible::Label) { | - |
| 296 | const QAccessible::Relation rel = QAccessible::Label; | - |
| 297 | if (QWidget *parent = widget()->parentWidget()) { | - |
| 298 | #ifndef QT_NO_SHORTCUT | - |
| 299 | // first check for all siblings that are labels to us | - |
| 300 | // ideally we would go through all objects and check, but that | - |
| 301 | // will be too expensive | - |
| 302 | const QList<QWidget*> kids = childWidgets(parent); | - |
| 303 | for (int i = 0; i < kids.count(); ++i) { | - |
| 304 | if (QLabel *labelSibling = qobject_cast<QLabel*>(kids.at(i))) { | - |
| 305 | if (labelSibling->buddy() == widget()) { | - |
| 306 | QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(labelSibling); | - |
| 307 | rels.append(qMakePair(iface, rel)); | - |
| 308 | } | - |
| 309 | } | - |
| 310 | } | - |
| 311 | #endif | - |
| 312 | #ifndef QT_NO_GROUPBOX | - |
| 313 | QGroupBox *groupbox = qobject_cast<QGroupBox*>(parent); | - |
| 314 | if (groupbox && !groupbox->title().isEmpty()) { | - |
| 315 | QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(groupbox); | - |
| 316 | rels.append(qMakePair(iface, rel)); | - |
| 317 | } | - |
| 318 | #endif | - |
| 319 | } | - |
| 320 | } | - |
| 321 | | - |
| 322 | if (match & QAccessible::Controlled) { | - |
| 323 | QObjectList allReceivers; | - |
| 324 | QACConnectionObject *connectionObject = (QACConnectionObject*)object(); | - |
| 325 | for (int sig = 0; sig < d->primarySignals.count(); ++sig) { | - |
| 326 | const QObjectList receivers = connectionObject->receiverList(d->primarySignals.at(sig).toLatin1()); | - |
| 327 | allReceivers += receivers; | - |
| 328 | } | - |
| 329 | | - |
| 330 | allReceivers.removeAll(object()); //### The object might connect to itself internally | - |
| 331 | | - |
| 332 | for (int i = 0; i < allReceivers.count(); ++i) { | - |
| 333 | const QAccessible::Relation rel = QAccessible::Controlled; | - |
| 334 | QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(allReceivers.at(i)); | - |
| 335 | if (iface) | - |
| 336 | rels.append(qMakePair(iface, rel)); | - |
| 337 | } | - |
| 338 | } | - |
| 339 | | - |
| 340 | return rels; | - |
| 341 | } | - |
| 342 | | - |
| 343 | /*! \reimp */ | - |
| 344 | QAccessibleInterface *QAccessibleWidget::parent() const | - |
| 345 | { | - |
| 346 | QObject *parentWidget= widget()->parentWidget(); | - |
| 347 | if (!parentWidget) | - |
| 348 | parentWidget = qApp; | - |
| 349 | return QAccessible::queryAccessibleInterface(parentWidget); | - |
| 350 | } | - |
| 351 | | - |
| 352 | /*! \reimp */ | - |
| 353 | QAccessibleInterface *QAccessibleWidget::child(int index) const | - |
| 354 | { | - |
| 355 | QWidgetList childList = childWidgets(widget()); | - |
| 356 | if (index >= 0 && index < childList.size()) | - |
| 357 | return QAccessible::queryAccessibleInterface(childList.at(index)); | - |
| 358 | return 0; | - |
| 359 | } | - |
| 360 | | - |
| 361 | /*! \reimp */ | - |
| 362 | QAccessibleInterface *QAccessibleWidget::focusChild() const | - |
| 363 | { | - |
| 364 | if (widget()->hasFocus()) | - |
| 365 | return QAccessible::queryAccessibleInterface(object()); | - |
| 366 | | - |
| 367 | QWidget *fw = widget()->focusWidget(); | - |
| 368 | if (!fw) | - |
| 369 | return 0; | - |
| 370 | | - |
| 371 | if (isAncestor(widget(), fw) || fw == widget()) | - |
| 372 | return QAccessible::queryAccessibleInterface(fw); | - |
| 373 | return 0; | - |
| 374 | } | - |
| 375 | | - |
| 376 | /*! \reimp */ | - |
| 377 | int QAccessibleWidget::childCount() const | - |
| 378 | { | - |
| 379 | QWidgetList cl = childWidgets(widget()); | - |
| 380 | return cl.size(); | - |
| 381 | } | - |
| 382 | | - |
| 383 | /*! \reimp */ | - |
| 384 | int QAccessibleWidget::indexOfChild(const QAccessibleInterface *child) const | - |
| 385 | { | - |
| 386 | QWidgetList cl = childWidgets(widget()); | - |
| 387 | return cl.indexOf(qobject_cast<QWidget *>(child->object())); | - |
| 388 | } | - |
| 389 | | - |
| 390 | // from qwidget.cpp | - |
| 391 | extern QString qt_setWindowTitle_helperHelper(const QString &, const QWidget*); | - |
| 392 | | - |
| 393 | /*! \reimp */ | - |
| 394 | QString QAccessibleWidget::text(QAccessible::Text t) const | - |
| 395 | { | - |
| 396 | QString str; | - |
| 397 | | - |
| 398 | switch (t) { | - |
| 399 | case QAccessible::Name: | - |
| 400 | if (!d->name.isEmpty()) { | - |
| 401 | str = d->name; | - |
| 402 | } else if (!widget()->accessibleName().isEmpty()) { | - |
| 403 | str = widget()->accessibleName(); | - |
| 404 | } else if (widget()->isWindow()) { | - |
| 405 | if (widget()->isMinimized()) | - |
| 406 | str = qt_setWindowTitle_helperHelper(widget()->windowIconText(), widget()); | - |
| 407 | else | - |
| 408 | str = qt_setWindowTitle_helperHelper(widget()->windowTitle(), widget()); | - |
| 409 | } else { | - |
| 410 | str = qt_accStripAmp(buddyString(widget())); | - |
| 411 | } | - |
| 412 | break; | - |
| 413 | case QAccessible::Description: | - |
| 414 | if (!widget()->accessibleDescription().isEmpty()) | - |
| 415 | str = widget()->accessibleDescription(); | - |
| 416 | #ifndef QT_NO_TOOLTIP | - |
| 417 | else | - |
| 418 | str = widget()->toolTip(); | - |
| 419 | #endif | - |
| 420 | break; | - |
| 421 | case QAccessible::Help: | - |
| 422 | #ifndef QT_NO_WHATSTHIS | - |
| 423 | str = widget()->whatsThis(); | - |
| 424 | #endif | - |
| 425 | break; | - |
| 426 | case QAccessible::Accelerator: | - |
| 427 | str = qt_accHotKey(buddyString(widget())); | - |
| 428 | break; | - |
| 429 | case QAccessible::Value: | - |
| 430 | break; | - |
| 431 | default: | - |
| 432 | break; | - |
| 433 | } | - |
| 434 | return str; | - |
| 435 | } | - |
| 436 | | - |
| 437 | /*! \reimp */ | - |
| 438 | QStringList QAccessibleWidget::actionNames() const | - |
| 439 | { | - |
| 440 | QStringList names; | - |
| 441 | if (widget()->isEnabled()) { | - |
| 442 | if (widget()->focusPolicy() != Qt::NoFocus) | - |
| 443 | names << setFocusAction(); | - |
| 444 | } | - |
| 445 | return names; | - |
| 446 | } | - |
| 447 | | - |
| 448 | /*! \reimp */ | - |
| 449 | void QAccessibleWidget::doAction(const QString &actionName) | - |
| 450 | { | - |
| 451 | if (!widget()->isEnabled()) | - |
| 452 | return; | - |
| 453 | | - |
| 454 | if (actionName == setFocusAction()) { | - |
| 455 | if (widget()->isWindow()) | - |
| 456 | widget()->activateWindow(); | - |
| 457 | widget()->setFocus(); | - |
| 458 | } | - |
| 459 | } | - |
| 460 | | - |
| 461 | /*! \reimp */ | - |
| 462 | QStringList QAccessibleWidget::keyBindingsForAction(const QString & /* actionName */) const | - |
| 463 | { | - |
| 464 | return QStringList(); | - |
| 465 | } | - |
| 466 | | - |
| 467 | /*! \reimp */ | - |
| 468 | QAccessible::Role QAccessibleWidget::role() const | - |
| 469 | { | - |
| 470 | return d->role; | - |
| 471 | } | - |
| 472 | | - |
| 473 | /*! \reimp */ | - |
| 474 | QAccessible::State QAccessibleWidget::state() const | - |
| 475 | { | - |
| 476 | QAccessible::State state; | - |
| 477 | | - |
| 478 | QWidget *w = widget(); | - |
| 479 | if (w->testAttribute(Qt::WA_WState_Visible) == false) | - |
| 480 | state.invisible = true; | - |
| 481 | if (w->focusPolicy() != Qt::NoFocus) | - |
| 482 | state.focusable = true; | - |
| 483 | if (w->hasFocus()) | - |
| 484 | state.focused = true; | - |
| 485 | if (!w->isEnabled()) | - |
| 486 | state.disabled = true; | - |
| 487 | if (w->isWindow()) { | - |
| 488 | if (w->windowFlags() & Qt::WindowSystemMenuHint) | - |
| 489 | state.movable = true; | - |
| 490 | if (w->minimumSize() != w->maximumSize()) | - |
| 491 | state.sizeable = true; | - |
| 492 | if (w->isActiveWindow()) | - |
| 493 | state.active = true; | - |
| 494 | } | - |
| 495 | | - |
| 496 | return state; | - |
| 497 | } | - |
| 498 | | - |
| 499 | /*! \reimp */ | - |
| 500 | QColor QAccessibleWidget::foregroundColor() const | - |
| 501 | { | - |
| 502 | return widget()->palette().color(widget()->foregroundRole()); | - |
| 503 | } | - |
| 504 | | - |
| 505 | /*! \reimp */ | - |
| 506 | QColor QAccessibleWidget::backgroundColor() const | - |
| 507 | { | - |
| 508 | return widget()->palette().color(widget()->backgroundRole()); | - |
| 509 | } | - |
| 510 | | - |
| 511 | /*! \reimp */ | - |
| 512 | void *QAccessibleWidget::interface_cast(QAccessible::InterfaceType t) | - |
| 513 | { | - |
| 514 | if (t == QAccessible::ActionInterface) | - |
| 515 | return static_cast<QAccessibleActionInterface*>(this); | - |
| 516 | return 0; | - |
| 517 | } | - |
| 518 | | - |
| 519 | QT_END_NAMESPACE | - |
| 520 | | - |
| 521 | #endif //QT_NO_ACCESSIBILITY | - |
| 522 | | - |
| | |