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// Copyright 2005-2020 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#ifndef MUMBLE_SIGNAL_CURRY_H_
#define MUMBLE_SIGNAL_CURRY_H_
#include <QObject>
#include <QVariant>
/**
* \brief Small class for binding a QVariant parameter to a parameterless signal.
* Static usage:
* SignalCurry::curry(sender, SIGNAL(emitted()), receiver, SLOT(called(QVariant)), curryParameter);
*/
class SignalCurry : public QObject {
Q_OBJECT
Q_DISABLE_COPY(SignalCurry)
private:
bool bDeleteAfterFirstUse;
QVariant qvData;
public:
SignalCurry(QVariant data, bool deleteAfterFirstUse = false, QObject *p = 0)
: QObject(p), bDeleteAfterFirstUse(deleteAfterFirstUse), qvData(data) {}
static void curry(QObject *sender, const char *signal, QObject *receiver, const char *slot, QVariant data) {
SignalCurry *c = new SignalCurry(data);
connect(receiver, slot, c, SIGNAL(called(QVariant)));
connect(sender, signal, c, SLOT(call));
}
signals:
void called(QVariant data);
public slots:
void call() {
emit called(qvData);
if (bDeleteAfterFirstUse)
deleteLater();
}
};
#endif
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