diff -r b72c6db6890b -r 5dc02b23752f tools/qml/loggerwidget.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/qml/loggerwidget.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -0,0 +1,182 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the tools applications 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 "loggerwidget.h"
+#include <qglobal.h>
+#include <QDebug>
+#include <QSettings>
+#include <QActionGroup>
+#include <QMenu>
+
+QT_BEGIN_NAMESPACE
+
+LoggerWidget::LoggerWidget(QWidget *parent) :
+    QPlainTextEdit(parent),
+    m_visibilityOrigin(SettingsOrigin)
+{
+    setAttribute(Qt::WA_QuitOnClose, false);
+    setWindowTitle(tr("Warnings"));
+
+    readSettings();
+    setupPreferencesMenu();
+}
+
+void LoggerWidget::append(const QString &msg)
+{
+    appendPlainText(msg);
+
+    if (!isVisible() && (defaultVisibility() == AutoShowWarnings))
+        setVisible(true);
+}
+
+LoggerWidget::Visibility LoggerWidget::defaultVisibility() const
+{
+    return m_visibility;
+}
+
+void LoggerWidget::setDefaultVisibility(LoggerWidget::Visibility visibility)
+{
+    if (m_visibility == visibility)
+        return;
+
+    m_visibility = visibility;
+    m_visibilityOrigin = CommandLineOrigin;
+
+    m_preferencesMenu->setEnabled(m_visibilityOrigin == SettingsOrigin);
+}
+
+QMenu *LoggerWidget::preferencesMenu()
+{
+    return m_preferencesMenu;
+}
+
+QAction *LoggerWidget::showAction()
+{
+    return m_showWidgetAction;
+}
+
+void LoggerWidget::readSettings()
+{
+    QSettings settings;
+    QString warningsPreferences = settings.value("warnings", "hide").toString();
+    if (warningsPreferences == "show") {
+        m_visibility = ShowWarnings;
+    } else if (warningsPreferences == "hide") {
+        m_visibility = HideWarnings;
+    } else {
+        m_visibility = AutoShowWarnings;
+    }
+}
+
+void LoggerWidget::saveSettings()
+{
+    if (m_visibilityOrigin != SettingsOrigin)
+        return;
+
+    QString value = "autoShow";
+    if (defaultVisibility() == ShowWarnings) {
+        value = "show";
+    } else if (defaultVisibility() == HideWarnings) {
+        value = "hide";
+    }
+
+    QSettings settings;
+    settings.setValue("warnings", value);
+}
+
+void LoggerWidget::warningsPreferenceChanged(QAction *action)
+{
+    Visibility newSetting = static_cast<Visibility>(action->data().toInt());
+    m_visibility = newSetting;
+    saveSettings();
+}
+
+void LoggerWidget::showEvent(QShowEvent *event)
+{
+    QWidget::showEvent(event);
+    emit opened();
+}
+
+void LoggerWidget::closeEvent(QCloseEvent *event)
+{
+    QWidget::closeEvent(event);
+    emit closed();
+}
+
+void LoggerWidget::setupPreferencesMenu()
+{
+    m_preferencesMenu = new QMenu(tr("Warnings"));
+    QActionGroup *warnings = new QActionGroup(m_preferencesMenu);
+    warnings->setExclusive(true);
+
+    connect(warnings, SIGNAL(triggered(QAction*)), this, SLOT(warningsPreferenceChanged(QAction*)));
+
+    QAction *showWarningsPreference = new QAction(tr("Show by default"), m_preferencesMenu);
+    showWarningsPreference->setCheckable(true);
+    showWarningsPreference->setData(LoggerWidget::ShowWarnings);
+    warnings->addAction(showWarningsPreference);
+    m_preferencesMenu->addAction(showWarningsPreference);
+
+    QAction *hideWarningsPreference = new QAction(tr("Hide by default"), m_preferencesMenu);
+    hideWarningsPreference->setCheckable(true);
+    hideWarningsPreference->setData(LoggerWidget::HideWarnings);
+    warnings->addAction(hideWarningsPreference);
+    m_preferencesMenu->addAction(hideWarningsPreference);
+
+    QAction *autoWarningsPreference = new QAction(tr("Show for first warning"), m_preferencesMenu);
+    autoWarningsPreference->setCheckable(true);
+    autoWarningsPreference->setData(LoggerWidget::AutoShowWarnings);
+    warnings->addAction(autoWarningsPreference);
+    m_preferencesMenu->addAction(autoWarningsPreference);
+
+    switch (defaultVisibility()) {
+    case LoggerWidget::ShowWarnings:
+        showWarningsPreference->setChecked(true);
+        break;
+    case LoggerWidget::HideWarnings:
+        hideWarningsPreference->setChecked(true);
+        break;
+    default:
+        autoWarningsPreference->setChecked(true);
+    }
+}
+
+QT_END_NAMESPACE