Diaglib: Add class DebugProxyStyle.
Add a debug proxy style that wraps around an existing style and outputs the parameters and return values of its function calls, for debugging QStyle. Task-number: QTBUG-47084 Task-number: QTBUG-45055 Change-Id: I638618e83bbac8ca4fdce31441bf4c913e911154 Reviewed-by: Andy Shaw <andy.shaw@theqtcompany.com>
This commit is contained in:
Friedemann Kleint
parent
66cfebc2b3
commit
9720efbd10
@ -27,6 +27,11 @@ class EventFilter (eventfilter.h):
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An event filter that logs Qt events to qDebug() depending on
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configured categories (for example mouse, keyboard, etc).
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class DebugProxyStyle (debugproxystyle.h)
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A proxy style that wraps around an existing style and outputs
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the parameters and return values of its function calls, useful
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for debugging QStyle.
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function glInfo() (glinfo.h):
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Returns a string describing the Open GL configuration (obtained
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by querying GL_VENDOR and GL_RENDERER). Available only
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161
tests/manual/diaglib/debugproxystyle.cpp
Normal file
161
tests/manual/diaglib/debugproxystyle.cpp
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@ -0,0 +1,161 @@
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/****************************************************************************
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**
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** Copyright (C) 2015 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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#include "debugproxystyle.h"
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#include <QDebug>
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#include <QWidget>
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#include <QStyleOption>
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#include <QApplication>
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#if QT_VERSION < 0x050000
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QDebug operator<<(QDebug d, const QPixmap &p)
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{
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d << "QPixmap(" << p.size() << ')';
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return d;
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}
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#endif // QT_VERSION < 0x050000
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QDebug operator<<(QDebug debug, const QStyleOption *option)
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{
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#if QT_VERSION >= 0x050000
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QDebugStateSaver saver(debug);
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debug.nospace();
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#endif
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debug << "QStyleOption(";
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if (option)
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debug << "rec=" << option->rect;
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else
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debug << '0';
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debug << ')';
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return debug;
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}
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namespace QtDiag {
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DebugProxyStyle::DebugProxyStyle(QStyle *style) : QProxyStyle(style)
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{
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#if QT_VERSION >= 0x050000
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const qreal devicePixelRatio = qApp->devicePixelRatio();
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#else
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const qreal devicePixelRatio = 1;
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#endif
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qDebug() << __FUNCTION__ << QT_VERSION_STR
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#if QT_VERSION >= 0x050000
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<< QGuiApplication::platformName()
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#endif
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<< style->objectName() << "devicePixelRatio=" << devicePixelRatio;
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}
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void DebugProxyStyle::drawPrimitive(QStyle::PrimitiveElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const
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{
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qDebug() << __FUNCTION__ << "element=" << element << option << widget;
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QProxyStyle::drawPrimitive( element, option, painter, widget);
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}
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void DebugProxyStyle::drawControl(QStyle::ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const
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{
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qDebug() << __FUNCTION__ << "element=" << element << option << widget;
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QProxyStyle::drawControl(element, option, painter, widget);
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}
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void DebugProxyStyle::drawComplexControl(QStyle::ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget) const
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{
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qDebug() << __FUNCTION__ << "control=" << control << option << widget;
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QProxyStyle::drawComplexControl(control, option, painter, widget);
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}
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void DebugProxyStyle::drawItemPixmap(QPainter *painter, const QRect &rect, int alignment, const QPixmap &pixmap) const
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{
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qDebug() << __FUNCTION__ << rect << "alignment=" << alignment << pixmap;
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QProxyStyle::drawItemPixmap(painter, rect, alignment, pixmap);
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}
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QSize DebugProxyStyle::sizeFromContents(QStyle::ContentsType type, const QStyleOption *option, const QSize &size, const QWidget *widget) const
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{
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const QSize result = QProxyStyle::sizeFromContents(type, option, size, widget);
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qDebug() << __FUNCTION__ << size << "type=" << type << option << widget << "returns" << result;
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return result;
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}
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QRect DebugProxyStyle::subElementRect(QStyle::SubElement element, const QStyleOption *option, const QWidget *widget) const
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{
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const QRect result = QProxyStyle::subElementRect(element, option, widget);
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qDebug() << __FUNCTION__ << "element=" << element << option << widget << "returns" << result;
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return result;
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}
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QRect DebugProxyStyle::subControlRect(QStyle::ComplexControl cc, const QStyleOptionComplex *opt, QStyle::SubControl sc, const QWidget *widget) const
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{
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const QRect result = QProxyStyle::subControlRect(cc, opt, sc, widget);
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qDebug() << __FUNCTION__ << "cc=" << cc << "sc=" << sc << opt << widget << "returns" << result;
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return result;
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}
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QRect DebugProxyStyle::itemTextRect(const QFontMetrics &fm, const QRect &r, int flags, bool enabled, const QString &text) const
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{
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const QRect result = QProxyStyle::itemTextRect(fm, r, flags, enabled, text);
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qDebug() << __FUNCTION__ << r << "flags=" << flags << "enabled=" << enabled
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<< text << "returns" << result;
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return result;
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}
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QRect DebugProxyStyle::itemPixmapRect(const QRect &r, int flags, const QPixmap &pixmap) const
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{
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const QRect result = QProxyStyle::itemPixmapRect(r, flags, pixmap);
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qDebug() << __FUNCTION__ << r << "flags=" << flags << pixmap << "returns" << result;
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return result;
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}
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int DebugProxyStyle::pixelMetric(QStyle::PixelMetric metric, const QStyleOption *option, const QWidget *widget) const
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{
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const int result = QProxyStyle::pixelMetric(metric, option, widget);
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qDebug() << __FUNCTION__ << "metric=" << metric << option << widget << "returns" << result;
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return result;
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}
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QPixmap DebugProxyStyle::standardPixmap(QStyle::StandardPixmap standardPixmap, const QStyleOption *opt, const QWidget *widget) const
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{
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const QPixmap result = QProxyStyle::standardPixmap(standardPixmap, opt, widget);
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qDebug() << __FUNCTION__ << "standardPixmap=" << standardPixmap << opt << "returns" << result;
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return result;
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}
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QPixmap DebugProxyStyle::generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap, const QStyleOption *opt) const
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{
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const QPixmap result = QProxyStyle::generatedIconPixmap(iconMode, pixmap, opt);
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qDebug() << __FUNCTION__ << "iconMode=" << iconMode << pixmap << opt << "returns" << result;
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return result;
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}
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} // namespace QtDiag
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63
tests/manual/diaglib/debugproxystyle.h
Normal file
63
tests/manual/diaglib/debugproxystyle.h
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@ -0,0 +1,63 @@
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/****************************************************************************
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**
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** Copyright (C) 2015 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 DEBUGPROXYSTYLE_H
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#define DEBUGPROXYSTYLE_H
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#include <QProxyStyle>
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namespace QtDiag {
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class DebugProxyStyle : public QProxyStyle {
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Q_OBJECT
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public:
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explicit DebugProxyStyle(QStyle *style);
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void drawPrimitive(PrimitiveElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget = 0) const;
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void drawControl(ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget = 0) const;
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void drawComplexControl(ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget = 0) const;
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void drawItemPixmap(QPainter *painter, const QRect &rect, int alignment, const QPixmap &pixmap) const;
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QSize sizeFromContents(ContentsType type, const QStyleOption *option, const QSize &size, const QWidget *widget) const;
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QRect subElementRect(SubElement element, const QStyleOption *option, const QWidget *widget) const;
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QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc, const QWidget *widget) const;
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QRect itemTextRect(const QFontMetrics &fm, const QRect &r, int flags, bool enabled, const QString &text) const;
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QRect itemPixmapRect(const QRect &r, int flags, const QPixmap &pixmap) const;
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int pixelMetric(PixelMetric metric, const QStyleOption *option = 0, const QWidget *widget = 0) const;
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QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt, const QWidget *widget = 0) const;
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QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap, const QStyleOption *opt) const;
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};
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} // namespace QtDiag
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#endif // DEBUGPROXYSTYLE_H
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@ -3,12 +3,14 @@ SOURCES += \
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$$PWD/textdump.cpp \
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$$PWD/eventfilter.cpp \
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$$PWD/qwindowdump.cpp \
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$$PWD/debugproxystyle.cpp
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HEADERS += \
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$$PWD/textdump.h \
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$$PWD/eventfilter.h \
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$$PWD/qwindowdump.h \
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$$PWD/nativewindowdump.h
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$$PWD/nativewindowdump.h \
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$$PWD/debugproxystyle.h
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win32 {
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SOURCES += $$PWD/nativewindowdump_win.cpp
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