9720efbd10
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>
162 lines
6.3 KiB
C++
162 lines
6.3 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2015 The Qt Company Ltd.
|
|
** Contact: http://www.qt.io/licensing/
|
|
**
|
|
** 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 The Qt Company. For licensing terms
|
|
** and conditions see http://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at http://www.qt.io/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.
|
|
**
|
|
** As a special exception, The Qt Company gives you certain additional
|
|
** rights. These rights are described in The Qt Company LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include "debugproxystyle.h"
|
|
|
|
#include <QDebug>
|
|
#include <QWidget>
|
|
#include <QStyleOption>
|
|
#include <QApplication>
|
|
|
|
#if QT_VERSION < 0x050000
|
|
QDebug operator<<(QDebug d, const QPixmap &p)
|
|
{
|
|
d << "QPixmap(" << p.size() << ')';
|
|
return d;
|
|
}
|
|
#endif // QT_VERSION < 0x050000
|
|
|
|
QDebug operator<<(QDebug debug, const QStyleOption *option)
|
|
{
|
|
#if QT_VERSION >= 0x050000
|
|
QDebugStateSaver saver(debug);
|
|
debug.nospace();
|
|
#endif
|
|
debug << "QStyleOption(";
|
|
if (option)
|
|
debug << "rec=" << option->rect;
|
|
else
|
|
debug << '0';
|
|
debug << ')';
|
|
return debug;
|
|
}
|
|
|
|
namespace QtDiag {
|
|
|
|
DebugProxyStyle::DebugProxyStyle(QStyle *style) : QProxyStyle(style)
|
|
{
|
|
#if QT_VERSION >= 0x050000
|
|
const qreal devicePixelRatio = qApp->devicePixelRatio();
|
|
#else
|
|
const qreal devicePixelRatio = 1;
|
|
#endif
|
|
qDebug() << __FUNCTION__ << QT_VERSION_STR
|
|
#if QT_VERSION >= 0x050000
|
|
<< QGuiApplication::platformName()
|
|
#endif
|
|
<< style->objectName() << "devicePixelRatio=" << devicePixelRatio;
|
|
}
|
|
|
|
void DebugProxyStyle::drawPrimitive(QStyle::PrimitiveElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const
|
|
{
|
|
qDebug() << __FUNCTION__ << "element=" << element << option << widget;
|
|
QProxyStyle::drawPrimitive( element, option, painter, widget);
|
|
}
|
|
|
|
void DebugProxyStyle::drawControl(QStyle::ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const
|
|
{
|
|
qDebug() << __FUNCTION__ << "element=" << element << option << widget;
|
|
QProxyStyle::drawControl(element, option, painter, widget);
|
|
}
|
|
|
|
void DebugProxyStyle::drawComplexControl(QStyle::ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget) const
|
|
{
|
|
qDebug() << __FUNCTION__ << "control=" << control << option << widget;
|
|
QProxyStyle::drawComplexControl(control, option, painter, widget);
|
|
}
|
|
|
|
void DebugProxyStyle::drawItemPixmap(QPainter *painter, const QRect &rect, int alignment, const QPixmap &pixmap) const
|
|
{
|
|
qDebug() << __FUNCTION__ << rect << "alignment=" << alignment << pixmap;
|
|
QProxyStyle::drawItemPixmap(painter, rect, alignment, pixmap);
|
|
}
|
|
|
|
QSize DebugProxyStyle::sizeFromContents(QStyle::ContentsType type, const QStyleOption *option, const QSize &size, const QWidget *widget) const
|
|
{
|
|
const QSize result = QProxyStyle::sizeFromContents(type, option, size, widget);
|
|
qDebug() << __FUNCTION__ << size << "type=" << type << option << widget << "returns" << result;
|
|
return result;
|
|
}
|
|
|
|
QRect DebugProxyStyle::subElementRect(QStyle::SubElement element, const QStyleOption *option, const QWidget *widget) const
|
|
{
|
|
const QRect result = QProxyStyle::subElementRect(element, option, widget);
|
|
qDebug() << __FUNCTION__ << "element=" << element << option << widget << "returns" << result;
|
|
return result;
|
|
}
|
|
|
|
QRect DebugProxyStyle::subControlRect(QStyle::ComplexControl cc, const QStyleOptionComplex *opt, QStyle::SubControl sc, const QWidget *widget) const
|
|
{
|
|
const QRect result = QProxyStyle::subControlRect(cc, opt, sc, widget);
|
|
qDebug() << __FUNCTION__ << "cc=" << cc << "sc=" << sc << opt << widget << "returns" << result;
|
|
return result;
|
|
}
|
|
|
|
QRect DebugProxyStyle::itemTextRect(const QFontMetrics &fm, const QRect &r, int flags, bool enabled, const QString &text) const
|
|
{
|
|
const QRect result = QProxyStyle::itemTextRect(fm, r, flags, enabled, text);
|
|
qDebug() << __FUNCTION__ << r << "flags=" << flags << "enabled=" << enabled
|
|
<< text << "returns" << result;
|
|
return result;
|
|
}
|
|
|
|
QRect DebugProxyStyle::itemPixmapRect(const QRect &r, int flags, const QPixmap &pixmap) const
|
|
{
|
|
const QRect result = QProxyStyle::itemPixmapRect(r, flags, pixmap);
|
|
qDebug() << __FUNCTION__ << r << "flags=" << flags << pixmap << "returns" << result;
|
|
return result;
|
|
}
|
|
|
|
int DebugProxyStyle::pixelMetric(QStyle::PixelMetric metric, const QStyleOption *option, const QWidget *widget) const
|
|
{
|
|
const int result = QProxyStyle::pixelMetric(metric, option, widget);
|
|
qDebug() << __FUNCTION__ << "metric=" << metric << option << widget << "returns" << result;
|
|
return result;
|
|
}
|
|
|
|
QPixmap DebugProxyStyle::standardPixmap(QStyle::StandardPixmap standardPixmap, const QStyleOption *opt, const QWidget *widget) const
|
|
{
|
|
const QPixmap result = QProxyStyle::standardPixmap(standardPixmap, opt, widget);
|
|
qDebug() << __FUNCTION__ << "standardPixmap=" << standardPixmap << opt << "returns" << result;
|
|
return result;
|
|
}
|
|
|
|
QPixmap DebugProxyStyle::generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap, const QStyleOption *opt) const
|
|
{
|
|
const QPixmap result = QProxyStyle::generatedIconPixmap(iconMode, pixmap, opt);
|
|
qDebug() << __FUNCTION__ << "iconMode=" << iconMode << pixmap << opt << "returns" << result;
|
|
return result;
|
|
}
|
|
|
|
} // namespace QtDiag
|