Add diaglib under manual tests.

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>

1 files changed, 94 insertions, 0 deletions

diff --git a/tests/manual/diaglib/qwidgetdump.cpp b/tests/manual/diaglib/qwidgetdump.cpp
new file mode 100644
index 0000000000..d4f985c7c8
--- /dev/null
+++ b/tests/manual/diaglib/qwidgetdump.cpp
@@ -0,0 +1,94 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** 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 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwidgetdump.h"
+
+#include <QWidget>
+#if QT_VERSION > 0x050000
+#  include <QtGui/QScreen>
+#  include <QtGui/QWindow>
+#endif
+#include <QApplication>
+#include <QtCore/QMetaObject>
+#include <QtCore/QDebug>
+#include <QtCore/QTextStream>
+
+namespace QtDiag {
+
+static void dumpWidgetRecursion(QTextStream &str, const QWidget *w,
+                                FormatWindowOptions options, int depth = 0)
+{
+    indentStream(str, 2 * depth);
+    formatObject(str, w);
+    str << ' ' << (w->isVisible() ? "[visible] " : "[hidden] ");
+    if (const WId nativeWinId = w->internalWinId())
+        str << "[native: " << hex << showbase << nativeWinId << dec << noshowbase << "] ";
+    if (w->isWindow())
+        str << "[top] ";
+    str << (w->testAttribute(Qt::WA_Mapped) ? "[mapped] " : "[not mapped] ");
+    if (w->testAttribute(Qt::WA_DontCreateNativeAncestors))
+        str << "[NoNativeAncestors] ";
+    formatRect(str, w->geometry());
+    if (!(options & DontPrintWindowFlags)) {
+        str << ' ';
+        formatWindowFlags(str, w->windowFlags());
+    }
+    str << '\n';
+#if QT_VERSION > 0x050000
+    if (const QWindow *win = w->windowHandle()) {
+        indentStream(str, 2 * (1 + depth));
+        formatWindow(str, win, options);
+        str << '\n';
+    }
+#endif // Qt 5
+    foreach (const QObject *co, w->children()) {
+        if (co->isWidgetType())
+            dumpWidgetRecursion(str, static_cast<const QWidget *>(co), options, depth + 1);
+    }
+}
+
+void dumpAllWidgets(FormatWindowOptions options)
+{
+    QString d;
+    QTextStream str(&d);
+    str << "### QWidgets:\n";
+    foreach (QWidget *tw, QApplication::topLevelWidgets())
+        dumpWidgetRecursion(str, tw, options);
+#if QT_VERSION > 0x050000
+    qDebug().noquote() << d;
+#else
+    qDebug("%s", qPrintable(d));
+#endif
+}
+
+} // namespace QtDiag