Move TextFieldCheckBox and TextFieldComboBox into Utils

These classes work nicely with fields in QWizards and are useful outside
the CustomWizard.

Change-Id: I09f03dcfdc64f98b6fdf7153dba803efd445d40d
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/libs/utils/textfieldcheckbox.cpp

@@ -0,0 +1,65 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "textfieldcheckbox.h"
+
+namespace Utils {
+
+/*!
+    \class Utils::TextFieldCheckBox
+    \brief The TextFieldCheckBox class is a aheckbox that plays with
+    \c QWizard::registerField.
+
+    Provides a settable 'text' property containing predefined strings for
+    \c true and \c false.
+*/
+
+TextFieldCheckBox::TextFieldCheckBox(const QString &text, QWidget *parent) :
+        QCheckBox(text, parent),
+        m_trueText(QLatin1String("true")), m_falseText(QLatin1String("false"))
+{
+    connect(this, SIGNAL(stateChanged(int)), this, SLOT(slotStateChanged(int)));
+}
+
+QString TextFieldCheckBox::text() const
+{
+    return isChecked() ? m_trueText : m_falseText;
+}
+
+void TextFieldCheckBox::setText(const QString &s)
+{
+    setChecked(s == m_trueText);
+}
+
+void TextFieldCheckBox::slotStateChanged(int cs)
+{
+    emit textChanged(cs == Qt::Checked ? m_trueText : m_falseText);
+}
+
+} // namespace Utils