src/plugins/inputmethods/imsw-multi/qmultiinputcontext.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/plugins/inputmethods/imsw-multi/qmultiinputcontext.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,212 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/****************************************************************************
+**
+** Implementation of QMultiInputContext class
+**
+** Copyright (C) 2004 immodule for Qt Project.  All rights reserved.
+**
+** This file is written to contribute to Nokia Corporation and/or its subsidiary(-ies) under their own
+** licence. You may use this file under your Qt license. Following
+** description is copied from their original file headers. Contact
+** immodule-qt@freedesktop.org if any conditions of this licensing are
+** not clear to you.
+**
+****************************************************************************/
+
+#ifndef QT_NO_IM
+#include "qmultiinputcontext.h"
+#include <qinputcontextfactory.h>
+#include <qstringlist.h>
+#include <qaction.h>
+#include <qsettings.h>
+#include <qmenu.h>
+
+#include <stdlib.h>
+
+QT_BEGIN_NAMESPACE
+
+QMultiInputContext::QMultiInputContext()
+    : QInputContext(), current(-1)
+{
+    keys = QInputContextFactory::keys();
+    for (int i = keys.size()-1; i >= 0; --i)
+        if (keys.at(i).contains(QLatin1String("imsw")))
+            keys.removeAt(i);
+
+    QString def = QLatin1String(getenv("QT4_IM_MODULE"));
+    if (def.isEmpty())
+        def = QLatin1String(getenv("QT_IM_MODULE"));
+    if (def.isEmpty()) {
+        QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
+        settings.beginGroup(QLatin1String("Qt"));
+        def = settings.value(QLatin1String("DefaultInputMethod"), QLatin1String("xim")).toString();
+    }
+    current = keys.indexOf(def);
+    if (current < 0)
+        current = 0;
+
+    menu = new QMenu(tr("Select IM"));
+    separator = new QAction(this);
+    separator->setSeparator(true);
+
+    QActionGroup *group = new QActionGroup(this);
+    for (int i = 0; i < keys.size(); ++i) {
+        slaves.append(0);
+        const QString key = keys.at(i);
+        QAction *a = menu->addAction(QInputContextFactory::displayName(key));
+        a->setData(key);
+        a->setCheckable(true);
+        group->addAction(a);
+        if (i == current) {
+            slaves.replace(current, QInputContextFactory::create(key, this));
+            a->setChecked(true);
+        }
+    }
+    connect(group, SIGNAL(triggered(QAction*)), this, SLOT(changeSlave(QAction*)));
+}
+
+QMultiInputContext::~QMultiInputContext()
+{
+    delete menu;
+}
+
+
+QString QMultiInputContext::identifierName()
+{
+    return (slave()) ? slave()->identifierName() : QLatin1String("");
+}
+
+QString QMultiInputContext::language()
+{
+    return (slave()) ? slave()->language() : QLatin1String("");
+}
+
+
+#if defined(Q_WS_X11)
+bool QMultiInputContext::x11FilterEvent(QWidget *keywidget, XEvent *event)
+{
+    return (slave()) ? slave()->x11FilterEvent(keywidget, event) : false;
+}
+#endif // Q_WS_X11
+
+
+bool QMultiInputContext::filterEvent(const QEvent *event)
+{
+    return (slave()) ? slave()->filterEvent(event) : false;
+}
+
+void QMultiInputContext::reset()
+{
+    if (slave())
+	slave()->reset();
+}
+
+void QMultiInputContext::update()
+{
+    if (slave())
+	slave()->update();
+}
+
+void QMultiInputContext::mouseHandler(int x, QMouseEvent *event)
+{
+    if (slave())
+	slave()->mouseHandler(x, event);
+}
+
+QFont QMultiInputContext::font() const
+{
+    return (slave()) ? slave()->font() : QInputContext::font();
+}
+
+void QMultiInputContext::setFocusWidget(QWidget *w)
+{
+    QInputContext::setFocusWidget(w);
+    if (slave())
+	slave()->setFocusWidget(w);
+}
+
+QWidget *QMultiInputContext::focusWidget() const
+{
+    return QInputContext::focusWidget();
+}
+
+void QMultiInputContext::widgetDestroyed(QWidget *w)
+{
+    if (slave())
+	slave()->widgetDestroyed(w);
+}
+
+bool QMultiInputContext::isComposing() const
+{
+    return (slave()) ? slave()->isComposing() : false;
+}
+
+QList<QAction *> QMultiInputContext::actions()
+{
+    QList<QAction *> a = slave()->actions();
+    a.append(separator);
+    a.append(menu->menuAction());
+    return a;
+}
+
+void QMultiInputContext::changeSlave(QAction *a)
+{
+    for (int i = 0; i < slaves.size(); ++i) {
+        if (keys.at(i) == a->data().toString()) {
+            if (slaves.at(i) == 0)
+                slaves.replace(i, QInputContextFactory::create(keys.at(i), this));
+            QInputContext *qic = slaves.at(current);
+            QWidget *oldWidget = qic->focusWidget();
+            qic->reset();
+            qic->setFocusWidget(0);
+            current = i;
+            qic = slaves.at(current);
+            qic->setFocusWidget(oldWidget);
+            return;
+        }
+    }
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_IM