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65 lines
2.3 KiB
65 lines
2.3 KiB
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2015 - ROLI Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#ifndef JUCE_MESSAGE_H_INCLUDED
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#define JUCE_MESSAGE_H_INCLUDED
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class MessageListener;
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//==============================================================================
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/** The base class for objects that can be sent to a MessageListener.
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If you want to send a message that carries some kind of custom data, just
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create a subclass of Message with some appropriate member variables to hold
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your data.
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Always create a new instance of a Message object on the heap, as it will be
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deleted automatically after the message has been delivered.
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@see MessageListener, MessageManager, ActionListener, ChangeListener
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*/
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class JUCE_API Message : public MessageManager::MessageBase
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{
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public:
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//==============================================================================
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/** Creates an uninitialised message. */
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Message() noexcept;
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~Message();
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typedef ReferenceCountedObjectPtr<Message> Ptr;
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//==============================================================================
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private:
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friend class MessageListener;
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WeakReference<MessageListener> recipient;
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void messageCallback() override;
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// Avoid the leak-detector because for plugins, the host can unload our DLL with undelivered
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// messages still in the system event queue. These aren't harmful, but can cause annoying assertions.
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JUCE_DECLARE_NON_COPYABLE (Message)
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};
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#endif // JUCE_MESSAGE_H_INCLUDED
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