qt5base-lts/tests/manual/diaglib/debugproxystyle.cpp
Friedemann Kleint 9720efbd10 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>
2015-10-23 07:47:44 +00:00

162 lines
6.3 KiB
C++

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**
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**
** This file is part of the test suite of the Qt Toolkit.
**
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#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