d2c6294bd5
Add a class to display debug messages, providing convenience functions for installing and formatting parameters like indentation. It prints a startup message containing relevant information about Qt. Change-Id: Id0a19adbb5953a6ded1a8e692f242b63748e7273 Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
95 lines
3.0 KiB
C++
95 lines
3.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef LOGWIDGET_H
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#define LOGWIDGET_H
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#include <QPlainTextEdit>
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// Instantiate as follows: LogFunctionGuard guard(Q_FUNC_INFO)
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class LogFunctionGuard {
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Q_DISABLE_COPY(LogFunctionGuard)
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public:
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explicit LogFunctionGuard(const char *name);
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~LogFunctionGuard();
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private:
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const char *m_name;
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};
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class LogWidget : public QPlainTextEdit
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{
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Q_OBJECT
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public:
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explicit LogWidget(QWidget *parent = 0);
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~LogWidget();
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static LogWidget *instance() { return m_instance; }
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static QString startupMessage();
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static void install();
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static void uninstall();
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static int indent() { return m_indent; }
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static void setIndent(int i) { m_indent = i; }
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static bool lineNumberingEnabled() { return m_lineNumberingEnabled; }
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static void setLineNumberingEnabled(bool l) { m_lineNumberingEnabled = l; }
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static bool showMessageType() { return m_showMessageType; }
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static void setShowMessageType(bool s) { m_showMessageType = s; }
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public slots:
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void appendText(const QString &);
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private:
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static int m_indent;
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static bool m_lineNumberingEnabled;
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static bool m_showMessageType;
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static LogWidget *m_instance;
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};
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inline LogFunctionGuard::LogFunctionGuard(const char *name) : m_name(name)
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{
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qDebug(">%s", m_name);
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LogWidget::setIndent(LogWidget::indent() + 2);
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}
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inline LogFunctionGuard::~LogFunctionGuard()
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{
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LogWidget::setIndent(LogWidget::indent() - 2);
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qDebug("<%s", m_name);
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}
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#endif // LOGWIDGET_H
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