src/qt/callback.h

   1 #ifndef BITCOIN_QT_CALLBACK_H
   2 #define BITCOIN_QT_CALLBACK_H
   3
   4 #include <QObject>
   5
   6 class Callback : public QObject
   7 {
   8     Q_OBJECT
   9 public Q_SLOTS:
  10     virtual void call() = 0;
  11 };
  12
  13 template <typename F>
  14 class FunctionCallback : public Callback
  15 {
  16     F f;
  17
  18 public:
  19     explicit FunctionCallback(F f_) : f(std::move(f_)) {}
  20     ~FunctionCallback() override {}
  21     void call() override { f(this); }
  22 };
  23
  24 template <typename F>
  25 FunctionCallback<F>* makeCallback(F f)
  26 {
  27     return new FunctionCallback<F>(std::move(f));
  28 }
  29
  30 #endif // BITCOIN_QT_CALLBACK_H