examples/tools/inputpanel/myinputpanelcontext.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/tools/inputpanel/myinputpanelcontext.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,132 @@
+/****************************************************************************
+**
+** 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 examples 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 <QtCore>
+
+#include "myinputpanelcontext.h"
+
+//! [0]
+
+MyInputPanelContext::MyInputPanelContext()
+{
+    inputPanel = new MyInputPanel;
+    connect(inputPanel, SIGNAL(characterGenerated(QChar)), SLOT(sendCharacter(QChar)));
+}
+
+//! [0]
+
+MyInputPanelContext::~MyInputPanelContext()
+{
+    delete inputPanel;
+}
+
+//! [1]
+
+bool MyInputPanelContext::filterEvent(const QEvent* event)
+{
+    if (event->type() == QEvent::RequestSoftwareInputPanel) {
+        updatePosition();
+        inputPanel->show();
+        return true;
+    } else if (event->type() == QEvent::CloseSoftwareInputPanel) {
+        inputPanel->hide();
+        return true;
+    }
+    return false;
+}
+
+//! [1]
+
+QString MyInputPanelContext::identifierName()
+{
+    return "MyInputPanelContext";
+}
+
+void MyInputPanelContext::reset()
+{
+}
+
+bool MyInputPanelContext::isComposing() const
+{
+    return false;
+}
+
+QString MyInputPanelContext::language()
+{
+    return "en_US";
+}
+
+//! [2]
+
+void MyInputPanelContext::sendCharacter(QChar character)
+{
+    QPointer<QWidget> w = focusWidget();
+
+    if (!w)
+        return;
+
+    QKeyEvent keyPress(QEvent::KeyPress, character.unicode(), Qt::NoModifier, QString(character));
+    QApplication::sendEvent(w, &keyPress);
+
+    if (!w)
+        return;
+
+    QKeyEvent keyRelease(QEvent::KeyPress, character.unicode(), Qt::NoModifier, QString());
+    QApplication::sendEvent(w, &keyRelease);
+}
+
+//! [2]
+
+//! [3]
+
+void MyInputPanelContext::updatePosition()
+{
+    QWidget *widget = focusWidget();
+    if (!widget)
+        return;
+
+    QRect widgetRect = widget->rect();
+    QPoint panelPos = QPoint(widgetRect.left(), widgetRect.bottom() + 2);
+    panelPos = widget->mapToGlobal(panelPos);
+    inputPanel->move(panelPos);
+}
+
+//! [3]