mirror of
https://github.com/juce-framework/JUCE.git
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124 lines
3.5 KiB
C++
124 lines
3.5 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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#if JUCE_LINUX || JUCE_BSD
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namespace juce::detail
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{
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// Implemented in juce_Messaging_linux.cpp
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bool dispatchNextMessageOnSystemQueue (bool returnIfNoPendingMessages);
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class MessageThread : public Thread
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{
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public:
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MessageThread() : Thread (SystemStats::getJUCEVersion() + ": Plugin Message Thread")
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{
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start();
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}
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~MessageThread() override
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{
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MessageManager::getInstance()->stopDispatchLoop();
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stop();
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}
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void start()
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{
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startThread (Priority::high);
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// Wait for setCurrentThreadAsMessageThread() and getInstance to be executed
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// before leaving this method
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threadInitialised.wait (10000);
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}
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void stop()
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{
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signalThreadShouldExit();
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stopThread (-1);
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}
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bool isRunning() const noexcept { return isThreadRunning(); }
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void run() override
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{
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MessageManager::getInstance()->setCurrentThreadAsMessageThread();
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XWindowSystem::getInstance();
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threadInitialised.signal();
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while (! threadShouldExit())
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{
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if (! dispatchNextMessageOnSystemQueue (true))
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Thread::sleep (1);
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}
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}
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private:
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WaitableEvent threadInitialised;
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JUCE_DECLARE_NON_MOVEABLE (MessageThread)
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MessageThread)
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};
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//==============================================================================
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class HostDrivenEventLoop
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{
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public:
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HostDrivenEventLoop()
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{
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messageThread->stop();
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MessageManager::getInstance()->setCurrentThreadAsMessageThread();
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}
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void processPendingEvents()
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{
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MessageManager::getInstance()->setCurrentThreadAsMessageThread();
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for (;;)
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if (! dispatchNextMessageOnSystemQueue (true))
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return;
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}
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~HostDrivenEventLoop()
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{
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messageThread->start();
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}
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private:
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SharedResourcePointer<MessageThread> messageThread;
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};
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} // namespace juce::detail
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#endif
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