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XCB: Introduce enumeration for event filter types.

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Remove QByteArray-construction and hash lookup in the event
handling; use an enumeration indexing an array instead.

Change-Id: I4d272b32a5ff71c8da58197cf3a0b38c1e61d489
Reviewed-by: Simon Hausmann <simon.hausmann@nokia.com>
This commit is contained in:
Friedemann Kleint 2012-01-22 21:05:06 +01:00 committed by Qt by Nokia
parent ccb059b0e2
commit e309e7a3e8
3 changed files with 25 additions and 10 deletions
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2
src/plugins/platforms/xcb/qxcbconnection.cpp
View File

@ -498,7 +498,7 @@ void QXcbConnection::handleXcbEvent(xcb_generic_event_t *event)
#endif
bool handled = false;
if (QPlatformNativeInterface::EventFilter filter = m_nativeInterface->eventFilterForEventType(QByteArrayLiteral("xcb_generic_event_t")))
if (QPlatformNativeInterface::EventFilter filter = m_nativeInterface->eventFilter(QXcbNativeInterface::GenericEventFilter))
handled = filter(event, 0);
uint response_type = event->response_type & ~0x80;

22
src/plugins/platforms/xcb/qxcbnativeinterface.cpp
View File

@ -76,6 +76,11 @@ public:
Q_GLOBAL_STATIC(QXcbResourceMap, qXcbResourceMap)
QXcbNativeInterface::QXcbNativeInterface()
{
qFill(m_eventFilters, m_eventFilters + EventFilterCount, EventFilter(0));
}
void *QXcbNativeInterface::nativeResourceForContext(const QByteArray &resourceString, QOpenGLContext *context)
{
QByteArray lowerCaseResource = resourceString.toLower();
@ -120,16 +125,19 @@ void *QXcbNativeInterface::nativeResourceForWindow(const QByteArray &resourceStr
QPlatformNativeInterface::EventFilter QXcbNativeInterface::setEventFilter(const QByteArray &eventType, QPlatformNativeInterface::EventFilter filter)
{
EventFilter oldFilter = m_eventFilters.value(eventType);
m_eventFilters.insert(eventType, filter);
int type = -1;
if (eventType == QByteArrayLiteral("xcb_generic_event_t"))
type = GenericEventFilter;
if (type == -1) {
qWarning("%s: Attempt to set invalid event filter type '%s'.",
Q_FUNC_INFO, eventType.constData());
return 0;
}
const EventFilter oldFilter = m_eventFilters[type];
m_eventFilters[type] = filter;
return oldFilter;
}
QPlatformNativeInterface::EventFilter QXcbNativeInterface::eventFilterForEventType(const QByteArray& eventType) const
{
return m_eventFilters.value(eventType);
}
QXcbScreen *QXcbNativeInterface::qPlatformScreenForWindow(QWindow *window)
{
QXcbScreen *screen;

11
src/plugins/platforms/xcb/qxcbnativeinterface.h
View File

@ -61,11 +61,18 @@ public:
EglContext
};
enum EventFilterType {
GenericEventFilter,
EventFilterCount
};
QXcbNativeInterface();
void *nativeResourceForContext(const QByteArray &resourceString, QOpenGLContext *context);
void *nativeResourceForWindow(const QByteArray &resourceString, QWindow *window);
EventFilter setEventFilter(const QByteArray &eventType, EventFilter filter);
EventFilter eventFilterForEventType(const QByteArray& eventType) const;
EventFilter eventFilter(EventFilterType type) const { return m_eventFilters[type]; }
void *displayForWindow(QWindow *window);
void *eglDisplayForWindow(QWindow *window);
@ -76,7 +83,7 @@ public:
void *eglContextForContext(QOpenGLContext *context);
private:
QHash<QByteArray, EventFilter> m_eventFilters;
EventFilter m_eventFilters[EventFilterCount];
static QXcbScreen *qPlatformScreenForWindow(QWindow *window);
};