summaryrefslogtreecommitdiff
path: root/src/widgets/accessible/simplewidgets.cpp
blob: b08c21939ae9fc0500566c222ca3f2cbfda8fbbb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "simplewidgets.h"

#include <qabstractbutton.h>
#include <qcheckbox.h>
#include <qpushbutton.h>
#include <qprogressbar.h>
#include <qstatusbar.h>
#include <qradiobutton.h>
#include <qtoolbutton.h>
#include <qmenu.h>
#include <qlabel.h>
#include <qgroupbox.h>
#include <qlcdnumber.h>
#include <qlineedit.h>
#include <private/qlineedit_p.h>
#include <qstyle.h>
#include <qstyleoption.h>
#include <qtextdocument.h>
#include <qwindow.h>
#include <private/qwindowcontainer_p.h>
#include <QtCore/qvarlengtharray.h>

#ifdef Q_OS_MAC
#include <qfocusframe.h>
#endif

QT_BEGIN_NAMESPACE

#ifndef QT_NO_ACCESSIBILITY

extern QList<QWidget*> childWidgets(const QWidget *widget);

QString qt_accStripAmp(const QString &text);
QString qt_accHotKey(const QString &text);

/*!
  \class QAccessibleButton
  \brief The QAccessibleButton class implements the QAccessibleInterface for button type widgets.
  \internal

  \ingroup accessibility
*/

/*!
  Creates a QAccessibleButton object for \a w.
*/
QAccessibleButton::QAccessibleButton(QWidget *w)
: QAccessibleWidget(w)
{
    Q_ASSERT(button());

    // FIXME: The checkable state of the button is dynamic,
    // while we only update the controlling signal once :(
    if (button()->isCheckable())
        addControllingSignal(QLatin1String("toggled(bool)"));
    else
        addControllingSignal(QLatin1String("clicked()"));
}

/*! Returns the button. */
QAbstractButton *QAccessibleButton::button() const
{
    return qobject_cast<QAbstractButton*>(object());
}

/*! \reimp */
QString QAccessibleButton::text(QAccessible::Text t) const
{
    QString str;
    switch (t) {
    case QAccessible::Accelerator:
    {
#ifndef QT_NO_SHORTCUT
        QPushButton *pb = qobject_cast<QPushButton*>(object());
        if (pb && pb->isDefault())
            str = QKeySequence(Qt::Key_Enter).toString(QKeySequence::NativeText);
#endif
        if (str.isEmpty())
            str = qt_accHotKey(button()->text());
    }
         break;
    case QAccessible::Name:
        str = widget()->accessibleName();
        if (str.isEmpty())
            str = qt_accStripAmp(button()->text());
        break;
    default:
        break;
    }
    if (str.isEmpty())
        str = QAccessibleWidget::text(t);
    return str;
}

QAccessible::State QAccessibleButton::state() const
{
    QAccessible::State state = QAccessibleWidget::state();

    QAbstractButton *b = button();
    QCheckBox *cb = qobject_cast<QCheckBox *>(b);
    if (b->isCheckable())
        state.checkable = true;
    if (b->isChecked())
        state.checked = true;
    else if (cb && cb->checkState() == Qt::PartiallyChecked)
        state.checkStateMixed = true;
    if (b->isDown())
        state.pressed = true;
    QPushButton *pb = qobject_cast<QPushButton*>(b);
    if (pb) {
        if (pb->isDefault())
            state.defaultButton = true;
#ifndef QT_NO_MENU
        if (pb->menu())
            state.hasPopup = true;
#endif
    }

    return state;
}

QRect QAccessibleButton::rect() const
{
    QAbstractButton *ab = button();
    if (!ab->isVisible())
        return QRect();

    if (QCheckBox *cb = qobject_cast<QCheckBox *>(ab)) {
        QPoint wpos = cb->mapToGlobal(QPoint(0, 0));
        QStyleOptionButton opt;
        cb->initStyleOption(&opt);
        return cb->style()->subElementRect(QStyle::SE_CheckBoxClickRect, &opt, cb).translated(wpos);
    } else if (QRadioButton *rb = qobject_cast<QRadioButton *>(ab)) {
        QPoint wpos = rb->mapToGlobal(QPoint(0, 0));
        QStyleOptionButton opt;
        rb->initStyleOption(&opt);
        return rb->style()->subElementRect(QStyle::SE_RadioButtonClickRect, &opt, rb).translated(wpos);
    }
    return QAccessibleWidget::rect();
}

QAccessible::Role QAccessibleButton::role() const
{
    QAbstractButton *ab = button();

#ifndef QT_NO_MENU
    if (QPushButton *pb = qobject_cast<QPushButton*>(ab)) {
        if (pb->menu())
            return QAccessible::ButtonMenu;
    }
#endif

    if (ab->isCheckable())
        return ab->autoExclusive() ? QAccessible::RadioButton : QAccessible::CheckBox;

    return QAccessible::Button;
}

QStringList QAccessibleButton::actionNames() const
{
    QStringList names;
    if (widget()->isEnabled()) {
        switch (role()) {
        case QAccessible::ButtonMenu:
            names << showMenuAction();
            break;
        case QAccessible::RadioButton:
            names << toggleAction();
            break;
        default:
            if (button()->isCheckable()) {
                names <<  toggleAction();
            } else {
                names << pressAction();
            }
            break;
        }
    }
    names << QAccessibleWidget::actionNames();
    return names;
}

void QAccessibleButton::doAction(const QString &actionName)
{
    if (!widget()->isEnabled())
        return;
    if (actionName == pressAction() ||
        actionName == showMenuAction()) {
#ifndef QT_NO_MENU
        QPushButton *pb = qobject_cast<QPushButton*>(object());
        if (pb && pb->menu())
            pb->showMenu();
        else
#endif
            button()->animateClick();
    } else if (actionName == toggleAction()) {
        button()->toggle();
    } else {
        QAccessibleWidget::doAction(actionName);
    }
}

QStringList QAccessibleButton::keyBindingsForAction(const QString &actionName) const
{
    if (actionName == pressAction()) {
#ifndef QT_NO_SHORTCUT
        return QStringList() << button()->shortcut().toString();
#endif
    }
    return QStringList();
}


#ifndef QT_NO_TOOLBUTTON
/*!
  \class QAccessibleToolButton
  \brief The QAccessibleToolButton class implements the QAccessibleInterface for tool buttons.
  \internal

  \ingroup accessibility
*/

/*!
  Creates a QAccessibleToolButton object for \a w.
*/
QAccessibleToolButton::QAccessibleToolButton(QWidget *w)
: QAccessibleButton(w)
{
    Q_ASSERT(toolButton());
}

/*! Returns the button. */
QToolButton *QAccessibleToolButton::toolButton() const
{
    return qobject_cast<QToolButton*>(object());
}

/*!
    Returns \c true if this tool button is a split button.
*/
bool QAccessibleToolButton::isSplitButton() const
{
#ifndef QT_NO_MENU
    return toolButton()->menu() && toolButton()->popupMode() == QToolButton::MenuButtonPopup;
#else
    return false;
#endif
}

QAccessible::State QAccessibleToolButton::state() const
{
    QAccessible::State st = QAccessibleButton::state();
    if (toolButton()->autoRaise())
        st.hotTracked = true;
#ifndef QT_NO_MENU
    if (toolButton()->menu())
        st.hasPopup = true;
#endif
    return st;
}

int QAccessibleToolButton::childCount() const
{
    return isSplitButton() ? 1 : 0;
}

QAccessible::Role QAccessibleToolButton::role() const
{
    QAbstractButton *ab = button();

#ifndef QT_NO_MENU
    QToolButton *tb = qobject_cast<QToolButton*>(ab);
    if (!tb->menu())
        return tb->isCheckable() ? QAccessible::CheckBox : QAccessible::PushButton;
    else if (tb->popupMode() == QToolButton::DelayedPopup)
        return QAccessible::ButtonDropDown;
#endif

    return QAccessible::ButtonMenu;
}

QAccessibleInterface *QAccessibleToolButton::child(int index) const
{
#ifndef QT_NO_MENU
    if (index == 0 && toolButton()->menu())
    {
        return QAccessible::queryAccessibleInterface(toolButton()->menu());
    }
#endif
    return 0;
}

/*
   The three different tool button types can have the following actions:
| DelayedPopup    | ShowMenuAction + (PressedAction || CheckedAction) |
| MenuButtonPopup | ShowMenuAction + (PressedAction || CheckedAction) |
| InstantPopup    | ShowMenuAction |
*/
QStringList QAccessibleToolButton::actionNames() const
{
    QStringList names;
    if (widget()->isEnabled()) {
        if (toolButton()->menu())
            names << showMenuAction();
        if (toolButton()->popupMode() != QToolButton::InstantPopup)
            names << QAccessibleButton::actionNames();
    }
    return names;
}

void QAccessibleToolButton::doAction(const QString &actionName)
{
    if (!widget()->isEnabled())
        return;

    if (actionName == pressAction()) {
        button()->click();
    } else if (actionName == showMenuAction()) {
        if (toolButton()->popupMode() != QToolButton::InstantPopup) {
            toolButton()->setDown(true);
#ifndef QT_NO_MENU
            toolButton()->showMenu();
#endif
        }
    } else {
        QAccessibleButton::doAction(actionName);
    }

}

#endif // QT_NO_TOOLBUTTON

/*!
  \class QAccessibleDisplay
  \brief The QAccessibleDisplay class implements the QAccessibleInterface for widgets that display information.
  \internal

  \ingroup accessibility
*/

/*!
  Constructs a QAccessibleDisplay object for \a w.
  \a role is propagated to the QAccessibleWidget constructor.
*/
QAccessibleDisplay::QAccessibleDisplay(QWidget *w, QAccessible::Role role)
: QAccessibleWidget(w, role)
{
}

QAccessible::Role QAccessibleDisplay::role() const
{
    QLabel *l = qobject_cast<QLabel*>(object());
    if (l) {
        if (l->pixmap())
            return QAccessible::Graphic;
#ifndef QT_NO_PICTURE
        if (l->picture())
            return QAccessible::Graphic;
#endif
#ifndef QT_NO_MOVIE
        if (l->movie())
            return QAccessible::Animation;
#endif
#ifndef QT_NO_PROGRESSBAR
    } else if (qobject_cast<QProgressBar*>(object())) {
        return QAccessible::ProgressBar;
#endif
    } else if (qobject_cast<QStatusBar*>(object())) {
        return QAccessible::StatusBar;
    }
    return QAccessibleWidget::role();
}

QString QAccessibleDisplay::text(QAccessible::Text t) const
{
    QString str;
    switch (t) {
    case QAccessible::Name:
        str = widget()->accessibleName();
        if (str.isEmpty()) {
            if (qobject_cast<QLabel*>(object())) {
                QLabel *label = qobject_cast<QLabel*>(object());
                str = label->text();
#ifndef QT_NO_TEXTHTMLPARSER
                if (label->textFormat() == Qt::RichText
                    || (label->textFormat() == Qt::AutoText && Qt::mightBeRichText(str))) {
                    QTextDocument doc;
                    doc.setHtml(str);
                    str = doc.toPlainText();
                }
#endif
                if (label->buddy())
                    str = qt_accStripAmp(str);
#ifndef QT_NO_LCDNUMBER
            } else if (qobject_cast<QLCDNumber*>(object())) {
                QLCDNumber *l = qobject_cast<QLCDNumber*>(object());
                if (l->digitCount())
                    str = QString::number(l->value());
                else
                    str = QString::number(l->intValue());
#endif
            } else if (qobject_cast<QStatusBar*>(object())) {
                return qobject_cast<QStatusBar*>(object())->currentMessage();
            }
        }
        break;
    case QAccessible::Value:
#ifndef QT_NO_PROGRESSBAR
        if (qobject_cast<QProgressBar*>(object()))
            str = QString::number(qobject_cast<QProgressBar*>(object())->value());
#endif
        break;
    default:
        break;
    }
    if (str.isEmpty())
        str = QAccessibleWidget::text(t);
    return str;
}

/*! \reimp */
QVector<QPair<QAccessibleInterface*, QAccessible::Relation> >
QAccessibleDisplay::relations(QAccessible::Relation match /* = QAccessible::AllRelations */) const
{
    QVector<QPair<QAccessibleInterface*, QAccessible::Relation> > rels = QAccessibleWidget::relations(match);
    if (match & QAccessible::Labelled) {
        QVarLengthArray<QObject *, 4> relatedObjects;

#ifndef QT_NO_SHORTCUT
        if (QLabel *label = qobject_cast<QLabel*>(object())) {
            relatedObjects.append(label->buddy());
        }
#endif
        for (int i = 0; i < relatedObjects.count(); ++i) {
            const QAccessible::Relation rel = QAccessible::Labelled;
            QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(relatedObjects.at(i));
            if (iface)
                rels.append(qMakePair(iface, rel));
        }
    }
    return rels;
}

void *QAccessibleDisplay::interface_cast(QAccessible::InterfaceType t)
{
    if (t == QAccessible::ImageInterface)
        return static_cast<QAccessibleImageInterface*>(this);
    return QAccessibleWidget::interface_cast(t);
}

/*! \internal */
QString QAccessibleDisplay::imageDescription() const
{
#ifndef QT_NO_TOOLTIP
    return widget()->toolTip();
#else
    return QString::null;
#endif
}

/*! \internal */
QSize QAccessibleDisplay::imageSize() const
{
    QLabel *label = qobject_cast<QLabel *>(widget());
    if (!label)
        return QSize();
    const QPixmap *pixmap = label->pixmap();
    if (!pixmap)
        return QSize();
    return pixmap->size();
}

/*! \internal */
QPoint QAccessibleDisplay::imagePosition() const
{
    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