034ff4deaf
Add a set of helper functions and classes providing functionality for dumping widget/window hierarchies and logging events. They can be used by including a .pri file for diagnosing bugs and comparing Qt 5 to Qt 4. Change-Id: I0206f8e57b02540cd80a3e9446c894023d442ddc Reviewed-by: Andy Shaw <andy.shaw@digia.com> Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
95 lines
3.3 KiB
C++
95 lines
3.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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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 Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/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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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt 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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#include "qwidgetdump.h"
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#include <QWidget>
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#if QT_VERSION > 0x050000
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# include <QtGui/QScreen>
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# include <QtGui/QWindow>
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#endif
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#include <QApplication>
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#include <QtCore/QMetaObject>
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#include <QtCore/QDebug>
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#include <QtCore/QTextStream>
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namespace QtDiag {
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static void dumpWidgetRecursion(QTextStream &str, const QWidget *w,
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FormatWindowOptions options, int depth = 0)
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{
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indentStream(str, 2 * depth);
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formatObject(str, w);
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str << ' ' << (w->isVisible() ? "[visible] " : "[hidden] ");
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if (const WId nativeWinId = w->internalWinId())
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str << "[native: " << hex << showbase << nativeWinId << dec << noshowbase << "] ";
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if (w->isWindow())
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str << "[top] ";
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str << (w->testAttribute(Qt::WA_Mapped) ? "[mapped] " : "[not mapped] ");
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if (w->testAttribute(Qt::WA_DontCreateNativeAncestors))
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str << "[NoNativeAncestors] ";
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formatRect(str, w->geometry());
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if (!(options & DontPrintWindowFlags)) {
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str << ' ';
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formatWindowFlags(str, w->windowFlags());
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}
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str << '\n';
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#if QT_VERSION > 0x050000
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if (const QWindow *win = w->windowHandle()) {
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indentStream(str, 2 * (1 + depth));
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formatWindow(str, win, options);
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str << '\n';
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}
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#endif // Qt 5
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foreach (const QObject *co, w->children()) {
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if (co->isWidgetType())
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dumpWidgetRecursion(str, static_cast<const QWidget *>(co), options, depth + 1);
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}
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}
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void dumpAllWidgets(FormatWindowOptions options)
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{
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QString d;
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QTextStream str(&d);
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str << "### QWidgets:\n";
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foreach (QWidget *tw, QApplication::topLevelWidgets())
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dumpWidgetRecursion(str, tw, options);
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#if QT_VERSION > 0x050000
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qDebug().noquote() << d;
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#else
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qDebug("%s", qPrintable(d));
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#endif
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}
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} // namespace QtDiag
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