src/plugins/accessible/compat/q3complexwidgets.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/plugins/accessible/compat/q3complexwidgets.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,340 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "q3complexwidgets.h"
+
+#include <q3header.h>
+#include <private/q3titlebar_p.h>
+
+#include <qapplication.h>
+
+QT_BEGIN_NAMESPACE
+
+Q3AccessibleHeader::Q3AccessibleHeader(QWidget *w)
+    : QAccessibleWidget(w)
+{
+    Q_ASSERT(header());
+    addControllingSignal(QLatin1String("clicked(int)"));
+}
+
+/*! Returns the Q3Header. */
+Q3Header *Q3AccessibleHeader::header() const
+{
+    return qobject_cast<Q3Header*>(object());
+}
+
+/*! \reimp */
+QRect Q3AccessibleHeader::rect(int child) const
+{
+    QPoint zero = header()->mapToGlobal(QPoint(0, 0));
+    QRect sect = header()->sectionRect(child - 1);
+    return QRect(sect.x() + zero.x(), sect.y() + zero.y(), sect.width(), sect.height());
+}
+
+/*! \reimp */
+int Q3AccessibleHeader::childCount() const
+{
+    return header()->count();
+}
+
+/*! \reimp */
+QString Q3AccessibleHeader::text(Text t, int child) const
+{
+    QString str;
+
+    if (child <= childCount()) {
+        switch (t) {
+            case Name:
+                str = header()->label(child - 1);
+                break;
+            case Description: {
+                QAccessibleEvent event(QEvent::AccessibilityDescription, child);
+                if (QApplication::sendEvent(widget(), &event))
+                    str = event.value();
+                break; }
+            case Help: {
+                QAccessibleEvent event(QEvent::AccessibilityHelp, child);
+                if (QApplication::sendEvent(widget(), &event))
+                    str = event.value();
+                break; }
+            default:
+                break;
+        }
+    }
+    if (str.isEmpty())
+        str = QAccessibleWidget::text(t, child);;
+    return str;
+}
+
+/*! \reimp */
+QAccessible::Role Q3AccessibleHeader::role(int) const
+{
+    return (header()->orientation() == Qt::Horizontal) ? ColumnHeader : RowHeader;
+}
+
+/*! \reimp */
+QAccessible::State Q3AccessibleHeader::state(int child) const
+{
+    State state = QAccessibleWidget::state(child);
+
+    int section = child ? child - 1 : -1;
+    if (!header()->isClickEnabled(section))
+        state |= Unavailable;
+    else
+        state |= Selectable;
+    if (child && section == header()->sortIndicatorSection())
+        state |= Selected;
+    if (header()->isResizeEnabled(section))
+        state |= Sizeable;
+    if (child && header()->isMovingEnabled())
+        state |= Movable;
+    return state;
+}
+
+/*!
+  \class Q3AccessibleTitleBar
+  \brief The Q3AccessibleTitleBar class implements the QAccessibleInterface for title bars.
+  \internal
+
+  \ingroup accessibility
+*/
+
+/*!
+  Constructs a Q3AccessibleTitleBar object for \a w.
+*/
+Q3AccessibleTitleBar::Q3AccessibleTitleBar(QWidget *w)
+: QAccessibleWidget(w, TitleBar)
+{
+    Q_ASSERT(titleBar());
+}
+
+/*!
+  Returns the title bar.
+*/
+Q3TitleBar *Q3AccessibleTitleBar::titleBar() const
+{
+    return qobject_cast<Q3TitleBar*>(object());
+}
+
+/*! \reimp */
+QRect Q3AccessibleTitleBar::rect(int child) const
+{
+    if (!child)
+        return QAccessibleWidget::rect(child);
+
+    QStyle::SubControl sc;
+    switch (child) {
+    case 1:
+        sc = QStyle::SC_TitleBarSysMenu;
+        break;
+    case 2:
+        sc = QStyle::SC_TitleBarLabel;
+        break;
+    case 3:
+        sc = QStyle::SC_TitleBarMinButton;
+        break;
+    case 4:
+        sc = QStyle::SC_TitleBarMaxButton;
+        break;
+    case 5:
+        sc = QStyle::SC_TitleBarCloseButton;
+        break;
+    default:
+        sc = QStyle::SC_None;
+        break;
+    }
+
+    QRect r;
+    if (sc != QStyle::SC_None) {
+        QStyleOptionTitleBar option;
+        r = titleBar()->style()->subControlRect(QStyle::CC_TitleBar, &option, sc, titleBar());
+    }
+
+    QPoint tp = titleBar()->mapToGlobal(QPoint(0,0));
+    return QRect(tp.x() + r.x(), tp.y() + r.y(), r.width(), r.height());
+}
+
+/* \reimp
+int Q3AccessibleTitleBar::navigate(NavDirection direction, int startControl) const
+{
+    if (direction != NavFirstChild && direction != NavLastChild && direction != NavFocusChild && !startControl)
+        return QAccessibleWidget::navigate(direction, startControl);
+
+    switch (direction) {
+    case NavFirstChild:
+        return 1;
+        break;
+    case NavLastChild:
+        return childCount();
+        break;
+    case NavNext:
+    case NavRight:
+        return startControl + 1 > childCount() ? -1 : startControl + 1;
+    case NavPrevious:
+    case NavLeft:
+        return startControl -1 < 1 ? -1 : startControl - 1;
+    default:
+        break;
+    }
+    return -1;
+}
+*/
+
+/*! \reimp */
+int Q3AccessibleTitleBar::childCount() const
+{
+    if (!(titleBar()->windowFlags() & Qt::WStyle_SysMenu))
+        return 0;
+    int control = 3;
+    if (!(titleBar()->windowFlags() & Qt::WStyle_Minimize))
+        ++control;
+    if (!(titleBar()->windowFlags() & Qt::WStyle_Maximize))
+        ++control;
+    return control;
+}
+
+/*! \reimp */
+QString Q3AccessibleTitleBar::text(Text t, int child) const
+{
+    QString str = QAccessibleWidget::text(t, child);
+    if (str.size())
+        return str;
+
+    QWidget *window = titleBar()->window();
+    switch (t) {
+    case Name:
+        switch (child) {
+        case 1:
+            return Q3TitleBar::tr("System");
+        case 3:
+            if (window && window->isMinimized())
+                return Q3TitleBar::tr("Restore up");
+            return Q3TitleBar::tr("Minimize");
+        case 4:
+            if (window && window->isMaximized())
+                return Q3TitleBar::tr("Restore down");
+            return Q3TitleBar::tr("Maximize");
+        case 5:
+            return Q3TitleBar::tr("Close");
+        default:
+            break;
+        }
+        break;
+    case Value:
+        if (!child || child == 2)
+            return window ? window->windowTitle() : QString();
+        break;
+/*
+    case DefaultAction:
+        if (child > 2)
+            return Q3TitleBar::tr("Press");
+        break;
+*/
+    case Description:
+        switch (child) {
+        case 1:
+            return Q3TitleBar::tr("Contains commands to manipulate the window");
+        case 3:
+            if (window && window->isMinimized())
+                return Q3TitleBar::tr("Puts a minimized window back to normal");
+            return Q3TitleBar::tr("Moves the window out of the way");
+        case 4:
+            if (window && window->isMaximized())
+                return Q3TitleBar::tr("Puts a maximized window back to normal");
+            return Q3TitleBar::tr("Makes the window full screen");
+        case 5:
+            return Q3TitleBar::tr("Closes the window");
+        default:
+            return Q3TitleBar::tr("Displays the name of the window and contains controls to manipulate it");
+        }
+    default:
+        break;
+    }
+    return str;
+}
+
+/*! \reimp */
+QAccessible::Role Q3AccessibleTitleBar::role(int child) const
+{
+    switch (child)
+    {
+    case 1:
+    case 3:
+    case 4:
+    case 5:
+        return PushButton;
+    default:
+        return TitleBar;
+    }
+}
+
+/*! \reimp */
+QAccessible::State Q3AccessibleTitleBar::state(int child) const
+{
+    return QAccessibleWidget::state(child);
+}
+
+/*! \reimp */
+bool Q3AccessibleTitleBar::doAction(int, int child, const QVariantList &)
+{
+    switch (child) {
+    case 3:
+        if (titleBar()->window()->isMinimized())
+            titleBar()->window()->showNormal();
+        else
+            titleBar()->window()->showMinimized();
+        return true;
+    case 4:
+        if (titleBar()->window()->isMaximized())
+            titleBar()->window()->showNormal();
+        else
+            titleBar()->window()->showMaximized();
+        return true;
+    case 5:
+        titleBar()->window()->close();
+        return true;
+    default:
+        break;
+    }
+    return false;
+}
+
+QT_END_NAMESPACE