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Add debug output for input method related events.

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Task-number: QTBUG-40402
Change-Id: Ide96588488eb6d95f4c39f3da749d301d9ec858e
Reviewed-by: Liang Qi <liang.qi@digia.com>
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
This commit is contained in:
Friedemann Kleint 2014-07-28 11:05:27 +02:00 committed by Liang Qi
parent 178a1548f3
commit 61fecb23c2
1 changed files with 67 additions and 0 deletions
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67
src/gui/kernel/qevent.cpp
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@ -3382,6 +3382,61 @@ static inline void formatTouchEvent(QDebug d, const char *name, const QTouchEven
d << ')';
}
static void formatUnicodeString(QDebug d, const QString &s)
{
d << '"' << hex;
for (int i = 0; i < s.size(); ++i) {
if (i)
d << ',';
d << "U+" << s.at(i).unicode();
}
d << dec << '"';
}
static inline void formatInputMethodEvent(QDebug d, const QInputMethodEvent *e)
{
d << "QInputMethodEvent(";
if (!e->preeditString().isEmpty()) {
d << "preedit=";
formatUnicodeString(d, e->preeditString());
}
if (!e->commitString().isEmpty()) {
d << ", commit=";
formatUnicodeString(d, e->commitString());
}
if (e->replacementLength()) {
d << ", replacementStart=" << e->replacementStart() << ", replacementLength="
<< e->replacementLength();
}
if (const int attributeCount = e->attributes().size()) {
d << ", attributes= {";
for (int a = 0; a < attributeCount; ++a) {
const QInputMethodEvent::Attribute &at = e->attributes().at(a);
if (a)
d << ',';
d << "[type= " << at.type << ", start=" << at.start << ", length=" << at.length
<< ", value=" << at.value << ']';
}
d << '}';
}
d << ')';
}
static inline void formatInputMethodQueryEvent(QDebug d, const QInputMethodQueryEvent *e)
{
const Qt::InputMethodQueries queries = e->queries();
d << "QInputMethodQueryEvent(queries=" << showbase << hex << int(queries)
<< noshowbase << dec << ", {";
for (unsigned mask = 1; mask <= Qt::ImTextAfterCursor; mask<<=1) {
if (queries & mask) {
const QVariant value = e->value(static_cast<Qt::InputMethodQuery>(mask));
if (value.isValid())
d << '[' << showbase << hex << mask << noshowbase << dec << '=' << value << "],";
}
}
d << "})";
}
QDebug operator<<(QDebug dbg, const QEvent *e) {
// More useful event output could be added here
if (!e)
@ -3631,6 +3686,18 @@ QDebug operator<<(QDebug dbg, const QEvent *e) {
case QEvent::GraphicsSceneMove:
n = "GraphicsSceneMove";
break;
case QEvent::InputMethod: {
QDebugStateSaver saver(dbg);
dbg.nospace();
formatInputMethodEvent(dbg, static_cast<const QInputMethodEvent *>(e));
}
return dbg;
case QEvent::InputMethodQuery: {
QDebugStateSaver saver(dbg);
dbg.nospace();
formatInputMethodQueryEvent(dbg, static_cast<const QInputMethodQueryEvent *>(e));
}
return dbg;
case QEvent::CursorChange:
n = "CursorChange";
break;