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173 lines
2.7 KiB
C
173 lines
2.7 KiB
C
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// -*- C++ -*-
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/**
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* \file InGuiThread.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Peter Kümmel
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef INGUITHREAD_H
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#define INGUITHREAD_H
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#include <QObject>
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#include "support/bind.h"
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#include "support/functional.h"
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namespace lyx {
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namespace frontend {
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class IntoGuiThreadMover : public QObject
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{
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Q_OBJECT
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protected:
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IntoGuiThreadMover();
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void callInGuiThread();
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Q_SIGNALS:
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void triggerCall();
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void called();
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private Q_SLOTS:
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void doFunctionCall();
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private:
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virtual void synchronousFunctionCall() = 0;
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};
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template<class R>
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class InGuiThread : private IntoGuiThreadMover
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{
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public:
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InGuiThread() {}
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template<class F>
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R call(F f)
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{
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func_ = f;
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callInGuiThread();
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return return_value_;
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}
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template<class F, class P1>
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R call(F f, P1 p1)
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{
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return call(bind(f, p1));
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}
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template<class F, class P1, class P2>
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R call(F f, P1 p1, P2 p2)
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{
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return call(bind(f, p1, p2));
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}
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template<class F, class P1, class P2, class P3>
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R call(F f, P1 p1, P2 p2, P3 p3)
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{
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return call(bind(f, p1, p2, p3));
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}
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template<class F, class P1, class P2, class P3, class P4>
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R call(F f, P1 p1, P2 p2, P3 p3, P4 p4)
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{
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return call(bind(f, p1, p2, p3, p4));
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}
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/*
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...
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*/
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template<class F, class P1, class P2, class P3, class P4, class P5, class P6, class P7, class P8>
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R call(F f, P1 p1, P2 p2, P3 p3, P4 p4, P5 p5, P6 p6, P7 p7, P8 p8)
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{
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return call(bind(f, p1, p2, p3, p4, p5, p6, p7, p8));
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}
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private:
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void synchronousFunctionCall()
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{
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return_value_ = func_();
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}
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private:
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R return_value_;
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function<R()> func_;
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};
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// void specialisation
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template<>
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class InGuiThread<void> : private IntoGuiThreadMover
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{
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public:
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InGuiThread() {}
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template<class F>
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void call(F f)
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{
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func_ = f;
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callInGuiThread();
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}
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template<class F, class P1>
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void call(F f, P1 p1)
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{
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call(bind(f, p1));
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}
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template<class F, class P1, class P2>
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void call(F f, P1 p1, P2 p2)
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{
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call(bind(f, p1, p2));
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}
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template<class F, class P1, class P2, class P3>
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void call(F f, P1 p1, P2 p2, P3 p3)
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{
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call(bind(f, p1, p2, p3));
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}
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template<class F, class P1, class P2, class P3, class P4>
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void call(F f, P1 p1, P2 p2, P3 p3, P4 p4)
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{
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call(bind(f, p1, p2, p3, p4));
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}
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/*
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...
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*/
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template<class F, class P1, class P2, class P3, class P4, class P5, class P6, class P7, class P8>
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void call(F f, P1 p1, P2 p2, P3 p3, P4 p4, P5 p5, P6 p6, P7 p7, P8 p8)
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{
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call(bind(f, p1, p2, p3, p4, p5, p6, p7, p8));
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}
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private:
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void synchronousFunctionCall()
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{
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func_();
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}
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private:
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function<void()> func_;
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};
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} // namespace frontend
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} // namespace lyx
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#endif // GUIABOUT_H
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