qaccessiblewidgets.cpp File Reference

#include "qaccessiblewidgets.h"
#include "qabstracttextdocumentlayout.h"
#include "qapplication.h"
#include "qclipboard.h"
#include "qtextedit.h"
#include "private/qtextedit_p.h"
#include "qtextdocument.h"
#include "qtextobject.h"
#include "qplaintextedit.h"
#include "qscrollbar.h"
#include "qdebug.h"
#include <QApplication>
#include <QStackedWidget>
#include <QToolBox>
#include <QMdiArea>
#include <QMdiSubWindow>
#include <QWorkspace>
#include <QDialogButtonBox>
#include <limits.h>
#include <QRubberBand>
#include <QTextBrowser>
#include <QCalendarWidget>
#include <QAbstractItemView>
#include <QDockWidget>
#include <QMainWindow>
#include <QAbstractButton>
#include <private/qdockwidget_p.h>
#include <QtGui/QFocusFrame>

Go to the source code of this file.

Functions
QList< QWidget * >	childWidgets (const QWidget *widget, bool includeTopLevel)
static int	distance (QWidget *source, QWidget *target, QAccessible::RelationFlag relation)
static QWidget *	mdiAreaNavigate (QWidget *area, QAccessible::RelationFlag relation, int entry)
QString Q_GUI_EXPORT	qt_accHotKey (const QString &text)
QString Q_GUI_EXPORT	qt_accStripAmp (const QString &text)
static QTextBlock	qTextBlockAt (const QTextDocument *doc, int pos)
static int	qTextBlockPosition (QTextBlock block)

Function Documentation

childWidgets()

QList<QWidget*> childWidgets	(	const QWidget *	widget,
		bool	includeTopLevel
	)

Definition at line 80 of file qaccessiblewidgets.cpp.

Referenced by QAccessibleMainWindow::childAt(), QAccessibleMainWindow::childCount(), QAccessibleMainWindow::indexOfChild(), and QAccessibleMainWindow::navigate().

{
    if (widget == 0)
        return QList<QWidget*>();
    QList<QObject*> list = widget->children();
    QList<QWidget*> widgets;
    for (int i = 0; i < list.size(); ++i) {
        QWidget *w = qobject_cast<QWidget *>(list.at(i));
        if (!w)
            continue;
        QString objectName = w->objectName();
        if ((includeTopLevel || !w->isWindow()) 
              && !qobject_cast<QFocusFrame*>(w)
              && !qobject_cast<QMenu*>(w)
              && objectName != QLatin1String("qt_rubberband")
              && objectName != QLatin1String("qt_qmainwindow_extended_splitter")) {
            widgets.append(w);
        }
    }
    return widgets;
}

distance()

static int distance ( QWidget *  source, QWidget *  target, QAccessible::RelationFlag  relation  )

inlinestatic

Definition at line 102 of file qaccessiblewidgets.cpp.

Referenced by QDeclarativeTimeLine::accelDistance(), QListViewPrivate::closestIndex(), QIconLoaderEngine::entryForSize(), QGraphicsScenePrivate::findClosestTouchPointId(), QApplicationPrivate::findClosestTouchPointId(), findEncoding(), QDeclarativePathViewPrivate::handleMousePressEvent(), mdiAreaNavigate(), QTextEditPrivate::pageUpDown(), QSwipeGestureRecognizer::recognize(), QMacPrintEngine::setProperty(), QDeclarativePathViewPrivate::snapToCurrent(), and QDeclarativePathViewPrivate::updateHighlight().

{
    if (!source || !target)
        return -1;

    int returnValue = -1;
    switch (relation) {
    case QAccessible::Up:
        if (target->y() <= source->y())
            returnValue = source->y() - target->y();
        break;
    case QAccessible::Down:
        if (target->y() >= source->y() + source->height())
            returnValue = target->y() - (source->y() + source->height());
        break;
    case QAccessible::Right:
        if (target->x() >= source->x() + source->width())
            returnValue = target->x() - (source->x() + source->width());
        break;
    case QAccessible::Left:
        if (target->x() <= source->x())
            returnValue = source->x() - target->x();
        break;
    default:
        break;
    }
    return returnValue;
}

mdiAreaNavigate()

static QWidget* mdiAreaNavigate ( QWidget *  area, QAccessible::RelationFlag  relation, int  entry  )

inlinestatic

Definition at line 132 of file qaccessiblewidgets.cpp.

Referenced by QAccessibleMdiArea::navigate(), QAccessibleMdiSubWindow::navigate(), and QAccessibleWorkspace::navigate().

{
#if defined(QT_NO_MDIAREA) && defined(QT_NO_WORKSPACE)
    Q_UNUSED(area);
#endif
#ifndef QT_NO_MDIAREA
    const QMdiArea *mdiArea = qobject_cast<QMdiArea *>(area);
#endif
#ifndef QT_NO_WORKSPACE
    const QWorkspace *workspace = qobject_cast<QWorkspace *>(area);
#endif
    if (true
#ifndef QT_NO_MDIAREA
        && !mdiArea
#endif
#ifndef QT_NO_WORKSPACE
    && !workspace
#endif
    )
        return 0;

    QWidgetList windows;
#ifndef QT_NO_MDIAREA
    if (mdiArea) {
        foreach (QMdiSubWindow *window, mdiArea->subWindowList())
            windows.append(window);
    } else
#endif
    {
#ifndef QT_NO_WORKSPACE
        foreach (QWidget *window, workspace->windowList())
            windows.append(window->parentWidget());
#endif
    }

    if (windows.isEmpty() || entry < 1 || entry > windows.count())
        return 0;

    QWidget *source = windows.at(entry - 1);
    QMap<int, QWidget *> candidates;
    foreach (QWidget *window, windows) {
        if (source == window)
            continue;
        int candidateDistance = distance(source, window, relation);
        if (candidateDistance >= 0)
            candidates.insert(candidateDistance, window);
    }

    int minimumDistance = INT_MAX;
    QWidget *target = 0;
    foreach (QWidget *candidate, candidates) {
        switch (relation) {
        case QAccessible::Up:
        case QAccessible::Down:
            if (qAbs(candidate->x() - source->x()) < minimumDistance) {
                target = candidate;
                minimumDistance = qAbs(candidate->x() - source->x());
            }
            break;
        case QAccessible::Left:
        case QAccessible::Right:
            if (qAbs(candidate->y() - source->y()) < minimumDistance) {
                target = candidate;
                minimumDistance = qAbs(candidate->y() - source->y());
            }
            break;
        default:
            break;
        }
        if (minimumDistance == 0)
            break;
    }

#ifndef QT_NO_WORKSPACE
    if (workspace) {
        foreach (QWidget *widget, workspace->windowList()) {
            if (widget->parentWidget() == target)
                target = widget;
        }
    }
#endif
    return target;
}

qt_accHotKey()

QString Q_GUI_EXPORT qt_accHotKey

(

const QString &

text

)

Definition at line 145 of file qaccessiblewidget.cpp.

{
    int ampIndex = qt_accAmpIndex(text);
    if (ampIndex != -1)
        return (QString)QKeySequence(Qt::ALT) + text.at(ampIndex + 1);

    return QString();
}

qt_accStripAmp()

QString Q_GUI_EXPORT qt_accStripAmp

(

const QString &

text

)

Definition at line 135 of file qaccessiblewidget.cpp.

Referenced by QAccessibleTitleBar::text().

{
    QString newText(text);
    int ampIndex = qt_accAmpIndex(newText);
    if (ampIndex != -1)
        newText.remove(ampIndex, 1);

    return newText.replace(QLatin1String("&&"), QLatin1String("&"));
}

qTextBlockAt()

static QTextBlock qTextBlockAt ( const QTextDocument *  doc, int  pos  )

static

Definition at line 228 of file qaccessiblewidgets.cpp.

Referenced by QAccessibleTextEdit::rect(), QAccessibleTextEdit::setText(), and QAccessibleTextEdit::text().

{
    Q_ASSERT(pos >= 0);

    QTextBlock block = doc->begin();
    int i = 0;
    while (block.isValid() && i < pos) {
        block = block.next();
        ++i;
    }
    return block;
}

qTextBlockPosition()

static int qTextBlockPosition ( QTextBlock  block )

static

Definition at line 241 of file qaccessiblewidgets.cpp.

Referenced by QAccessibleTextEdit::childAt().

{
    int child = 0;
    while (block.isValid()) {
        block = block.previous();
        ++child;
    }

    return child;
}