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Add debug operators for QGraphicsSceneEvent-based classes 

Modeled on the QtGui's debug operator for its events.

Change-Id: I2c92aa017178cb8bde2d2b1eaba7cb130e874c13
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
bb10
Friedemann Kleint 2018-02-13 11:41:31 +01:00
parent 4589440891
commit 09e212eec0
2 changed files with 101 additions and 1 deletions
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98
src/widgets/graphicsview/qgraphicssceneevent.cpp
View File

@ -259,8 +259,9 @@
#include "qgraphicssceneevent.h"
#ifndef QT_NO_DEBUG
#ifndef QT_NO_DEBUG_STREAM
#include <QtCore/qdebug.h>
#include <private/qdebug_p.h>
#endif
#include <QtCore/qmap.h>
#include <QtCore/qpoint.h>
@ -1730,4 +1731,99 @@ void QGraphicsSceneMoveEvent::setNewPos(const QPointF &pos)
d->newPos = pos;
}
#ifndef QT_NO_DEBUG_STREAM
template <class Event>
static inline void formatPositions(QDebug &debug, const Event *event)
{
debug << ", pos=";
QtDebugUtils::formatQPoint(debug, event->pos());
debug << ", scenePos=";
QtDebugUtils::formatQPoint(debug, event->scenePos());
debug << ", screenPos=";
QtDebugUtils::formatQPoint(debug, event->screenPos());
}
QDebug operator<<(QDebug debug, const QGraphicsSceneEvent *event)
{
QDebugStateSaver saver(debug);
debug.nospace();
if (!event) {
debug << "QGraphicsSceneEvent(0)";
return debug;
}
const QEvent::Type type = event->type();
switch (type) {
case QEvent::GraphicsSceneMouseMove:
case QEvent::GraphicsSceneMousePress:
case QEvent::GraphicsSceneMouseRelease:
case QEvent::GraphicsSceneMouseDoubleClick: {
const QGraphicsSceneMouseEvent *me = static_cast<const QGraphicsSceneMouseEvent *>(event);
const Qt::MouseButton button = me->button();
const Qt::MouseButtons buttons = me->buttons();
debug << "QGraphicsSceneMouseEvent(";
QtDebugUtils::formatQEnum(debug, type);
if (type != QEvent::GraphicsSceneMouseMove) {
debug << ", ";
QtDebugUtils::formatQEnum(debug, button);
}
if (buttons && button != buttons) {
debug << ", buttons=";
QtDebugUtils::formatQFlags(debug, buttons);
}
QtDebugUtils::formatNonNullQFlags(debug, ", ", me->modifiers());
formatPositions(debug, me);
QtDebugUtils::formatNonNullQEnum(debug, ", ", me->source());
QtDebugUtils::formatNonNullQFlags(debug, ", flags=", me->flags());
debug << ')';
}
break;
case QEvent::GraphicsSceneContextMenu: {
const QGraphicsSceneContextMenuEvent *ce = static_cast<const QGraphicsSceneContextMenuEvent *>(event);
debug << "QGraphicsSceneContextMenuEvent(reason=" << ce->reason();
QtDebugUtils::formatNonNullQFlags(debug, ", ", ce->modifiers());
formatPositions(debug, ce);
debug << ')';
}
break;
case QEvent::GraphicsSceneHoverEnter:
case QEvent::GraphicsSceneHoverMove:
case QEvent::GraphicsSceneHoverLeave:
debug << "QGraphicsSceneHoverEvent(";
formatPositions(debug, static_cast<const QGraphicsSceneHoverEvent *>(event));
debug << ')';
break;
case QEvent::GraphicsSceneHelp:
break;
case QEvent::GraphicsSceneDragEnter:
case QEvent::GraphicsSceneDragMove:
case QEvent::GraphicsSceneDragLeave:
case QEvent::GraphicsSceneDrop: {
const QGraphicsSceneDragDropEvent *de = static_cast<const QGraphicsSceneDragDropEvent *>(event);
debug << "QGraphicsSceneDragDropEvent(proposedAction=";
QtDebugUtils::formatQEnum(debug, de->proposedAction());
debug << ", possibleActions=";
QtDebugUtils::formatQFlags(debug, de->possibleActions());
debug << ", source=" << de->source();
QtDebugUtils::formatNonNullQFlags(debug, ", buttons=", de->buttons());
QtDebugUtils::formatNonNullQFlags(debug, ", ", de->modifiers());
formatPositions(debug, de);
}
break;
case QEvent::GraphicsSceneWheel: {
const QGraphicsSceneWheelEvent *we = static_cast<const QGraphicsSceneWheelEvent *>(event);
debug << "QGraphicsSceneWheelEvent(";
QtDebugUtils::formatNonNullQFlags(debug, ", buttons=", we->buttons());
QtDebugUtils::formatNonNullQFlags(debug, ", ", we->modifiers());
formatPositions(debug, we);
debug << ')';
}
break;
default:
break;
}
return debug;
}
#endif // !QT_NO_DEBUG_STREAM
QT_END_NAMESPACE

4
src/widgets/graphicsview/qgraphicssceneevent.h
View File

@ -320,6 +320,10 @@ public:
void setNewPos(const QPointF &pos);
};
#ifndef QT_NO_DEBUG_STREAM
Q_WIDGETS_EXPORT QDebug operator<<(QDebug, const QGraphicsSceneEvent *);
#endif
QT_END_NAMESPACE
#endif