Added manual test for QScreen properties

Shows property values in fields which auto-update when the properties
change.

Change-Id: Ib97566a74cb8d0fff5f85bf97783e89dfb07481f
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>

1 files changed, 102 insertions, 0 deletions

diff --git a/tests/manual/qscreen/propertyfield.cpp b/tests/manual/qscreen/propertyfield.cpp
new file mode 100644
index 0000000000..a65494636b
--- /dev/null
+++ b/tests/manual/qscreen/propertyfield.cpp
@@ -0,0 +1,102 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "propertyfield.h"
+#include <QDebug>
+
+PropertyField::PropertyField(QObject* subject, const QMetaProperty& prop, QWidget *parent) :
+    QLineEdit(parent), m_subject(subject), m_lastChangeTime(QTime::currentTime()), m_prop(prop)
+{
+    setReadOnly(true);
+    if (prop.hasNotifySignal()) {
+        QMetaMethod signal = prop.notifySignal();
+        QMetaMethod updateSlot = metaObject()->method(metaObject()->indexOfSlot("propertyChanged()"));
+        connect(m_subject, signal, this, updateSlot);
+    }
+    propertyChanged();
+}
+
+QString PropertyField::valueToString(QVariant val)
+{
+    QString text = val.toString();
+    if (val.type() == QVariant::Size)
+        text = QString("%1 x %2").arg(val.toSize().width()).arg(val.toSize().height());
+    else if (val.type() == QVariant::SizeF)
+        text = QString("%1 x %2").arg(val.toSizeF().width()).arg(val.toSizeF().height());
+    else if (val.type() == QVariant::Rect)
+        text = QString("%1 x %2 +%3 +%4").arg(val.toRect().width())
+                .arg(val.toRect().height()).arg(val.toRect().x()).arg(val.toRect().y());
+    return text;
+}
+
+void PropertyField::propertyChanged()
+{
+    if (m_prop.isReadable()) {
+        QVariant val = m_prop.read(m_subject);
+        QString text = valueToString(val);
+        QPalette modPalette = palette();
+
+        // If we are seeing a value for the first time,
+        // pretend it was that way for a while already.
+        if (m_lastText.isEmpty()) {
+            m_lastText = text;
+            m_lastTextShowing = text;
+            m_lastChangeTime = QTime::currentTime().addSecs(-5);
+        }
+
+        qDebug() << "  " << QString::fromUtf8(m_prop.name()) << ":" << val;
+        // If the value has recently changed, show the change
+        if (text != m_lastText || m_lastChangeTime.elapsed() < 1000) {
+            setText(m_lastTextShowing + " -> " + text);
+            modPalette.setBrush(QPalette::Text, Qt::red);
+            m_lastChangeTime.start();
+            m_lastText = text;
+        }
+        // If the value hasn't changed recently, just show the current value
+        else {
+            setText(text);
+            m_lastText = text;
+            m_lastTextShowing = text;
+            modPalette.setBrush(QPalette::Text, Qt::black);
+        }
+        setPalette(modPalette);
+    }
+}