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git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce

Browse Source 
subrepo:
  subdir:   "deps/juce"
  merged:   "b13f9084e"
upstream:
  origin:   "https://github.com/essej/JUCE.git"
  branch:   "sono6good"
  commit:   "b13f9084e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"
This commit is contained in:
essej
2022-04-18 17:51:22 -04:00
parent 63e175fee6
commit 25bd5d8adb
3210 changed files with 1045392 additions and 0 deletions
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92
deps/juce/modules/juce_events/broadcasters/juce_ActionBroadcaster.cpp vendored Normal file
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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
class ActionBroadcaster::ActionMessage : public MessageManager::MessageBase
{
public:
ActionMessage (const ActionBroadcaster* ab,
const String& messageText, ActionListener* l) noexcept
: broadcaster (const_cast<ActionBroadcaster*> (ab)),
message (messageText),
listener (l)
{}
void messageCallback() override
{
if (auto b = broadcaster.get())
if (b->actionListeners.contains (listener))
listener->actionListenerCallback (message);
}
private:
WeakReference<ActionBroadcaster> broadcaster;
const String message;
ActionListener* const listener;
JUCE_DECLARE_NON_COPYABLE (ActionMessage)
};
//==============================================================================
ActionBroadcaster::ActionBroadcaster()
{
// are you trying to create this object before or after juce has been initialised??
JUCE_ASSERT_MESSAGE_MANAGER_EXISTS
}
ActionBroadcaster::~ActionBroadcaster()
{
// all event-based objects must be deleted BEFORE juce is shut down!
JUCE_ASSERT_MESSAGE_MANAGER_EXISTS
}
void ActionBroadcaster::addActionListener (ActionListener* const listener)
{
const ScopedLock sl (actionListenerLock);
if (listener != nullptr)
actionListeners.add (listener);
}
void ActionBroadcaster::removeActionListener (ActionListener* const listener)
{
const ScopedLock sl (actionListenerLock);
actionListeners.removeValue (listener);
}
void ActionBroadcaster::removeAllActionListeners()
{
const ScopedLock sl (actionListenerLock);
actionListeners.clear();
}
void ActionBroadcaster::sendActionMessage (const String& message) const
{
const ScopedLock sl (actionListenerLock);
for (int i = actionListeners.size(); --i >= 0;)
(new ActionMessage (this, message, actionListeners.getUnchecked(i)))->post();
}
} // namespace juce

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deps/juce/modules/juce_events/broadcasters/juce_ActionBroadcaster.h vendored Normal file
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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
//==============================================================================
/** Manages a list of ActionListeners, and can send them messages.
To quickly add methods to your class that can add/remove action
listeners and broadcast to them, you can derive from this.
@see ActionListener, ChangeListener
@tags{Events}
*/
class JUCE_API ActionBroadcaster
{
public:
//==============================================================================
/** Creates an ActionBroadcaster. */
ActionBroadcaster();
/** Destructor. */
virtual ~ActionBroadcaster();
//==============================================================================
/** Adds a listener to the list.
Trying to add a listener that's already on the list will have no effect.
*/
void addActionListener (ActionListener* listener);
/** Removes a listener from the list.
If the listener isn't on the list, this won't have any effect.
*/
void removeActionListener (ActionListener* listener);
/** Removes all listeners from the list. */
void removeAllActionListeners();
//==============================================================================
/** Broadcasts a message to all the registered listeners.
@see ActionListener::actionListenerCallback
*/
void sendActionMessage (const String& message) const;
private:
//==============================================================================
class ActionMessage;
friend class ActionMessage;
SortedSet<ActionListener*> actionListeners;
CriticalSection actionListenerLock;
JUCE_DECLARE_WEAK_REFERENCEABLE (ActionBroadcaster)
JUCE_DECLARE_NON_COPYABLE (ActionBroadcaster)
};
} // namespace juce

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deps/juce/modules/juce_events/broadcasters/juce_ActionListener.h vendored Normal file
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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
//==============================================================================
/**
Interface class for delivery of events that are sent by an ActionBroadcaster.
@see ActionBroadcaster, ChangeListener
@tags{Events}
*/
class JUCE_API ActionListener
{
public:
/** Destructor. */
virtual ~ActionListener() = default;
/** Overridden by your subclass to receive the callback.
@param message the string that was specified when the event was triggered
by a call to ActionBroadcaster::sendActionMessage()
*/
virtual void actionListenerCallback (const String& message) = 0;
};
} // namespace juce

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deps/juce/modules/juce_events/broadcasters/juce_AsyncUpdater.cpp vendored Normal file
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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
class AsyncUpdater::AsyncUpdaterMessage : public CallbackMessage
{
public:
AsyncUpdaterMessage (AsyncUpdater& au) : owner (au) {}
void messageCallback() override
{
if (shouldDeliver.compareAndSetBool (0, 1))
owner.handleAsyncUpdate();
}
AsyncUpdater& owner;
Atomic<int> shouldDeliver;
JUCE_DECLARE_NON_COPYABLE (AsyncUpdaterMessage)
};
//==============================================================================
AsyncUpdater::AsyncUpdater()
{
activeMessage = *new AsyncUpdaterMessage (*this);
}
AsyncUpdater::~AsyncUpdater()
{
// You're deleting this object with a background thread while there's an update
// pending on the main event thread - that's pretty dodgy threading, as the callback could
// happen after this destructor has finished. You should either use a MessageManagerLock while
// deleting this object, or find some other way to avoid such a race condition.
jassert ((! isUpdatePending())
|| MessageManager::getInstanceWithoutCreating() == nullptr
|| MessageManager::getInstanceWithoutCreating()->currentThreadHasLockedMessageManager());
activeMessage->shouldDeliver.set (0);
}
void AsyncUpdater::triggerAsyncUpdate()
{
// If you're calling this before (or after) the MessageManager is
// running, then you're not going to get any callbacks!
JUCE_ASSERT_MESSAGE_MANAGER_EXISTS
if (activeMessage->shouldDeliver.compareAndSetBool (1, 0))
if (! activeMessage->post())
cancelPendingUpdate(); // if the message queue fails, this avoids getting
// trapped waiting for the message to arrive
}
void AsyncUpdater::cancelPendingUpdate() noexcept
{
activeMessage->shouldDeliver.set (0);
}
void AsyncUpdater::handleUpdateNowIfNeeded()
{
// This can only be called by the event thread.
JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED
if (activeMessage->shouldDeliver.exchange (0) != 0)
handleAsyncUpdate();
}
bool AsyncUpdater::isUpdatePending() const noexcept
{
return activeMessage->shouldDeliver.value != 0;
}
} // namespace juce

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deps/juce/modules/juce_events/broadcasters/juce_AsyncUpdater.h vendored Normal file
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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
//==============================================================================
/**
Has a callback method that is triggered asynchronously.
This object allows an asynchronous callback function to be triggered, for
tasks such as coalescing multiple updates into a single callback later on.
Basically, one or more calls to the triggerAsyncUpdate() will result in the
message thread calling handleAsyncUpdate() as soon as it can.
@tags{Events}
*/
class JUCE_API AsyncUpdater
{
public:
//==============================================================================
/** Creates an AsyncUpdater object. */
AsyncUpdater();
/** Destructor.
If there are any pending callbacks when the object is deleted, these are lost.
*/
virtual ~AsyncUpdater();
//==============================================================================
/** Causes the callback to be triggered at a later time.
This method returns immediately, after which a callback to the
handleAsyncUpdate() method will be made by the message thread as
soon as possible.
If an update callback is already pending but hasn't happened yet, calling
this method will have no effect.
It's thread-safe to call this method from any thread, BUT beware of calling
it from a real-time (e.g. audio) thread, because it involves posting a message
to the system queue, which means it may block (and in general will do on
most OSes).
*/
void triggerAsyncUpdate();
/** This will stop any pending updates from happening.
If called after triggerAsyncUpdate() and before the handleAsyncUpdate()
callback happens, this will cancel the handleAsyncUpdate() callback.
Note that this method simply cancels the next callback - if a callback is already
in progress on a different thread, this won't block until the callback finishes, so
there's no guarantee that the callback isn't still running when the method returns.
*/
void cancelPendingUpdate() noexcept;
/** If an update has been triggered and is pending, this will invoke it
synchronously.
Use this as a kind of "flush" operation - if an update is pending, the
handleAsyncUpdate() method will be called immediately; if no update is
pending, then nothing will be done.
Because this may invoke the callback, this method must only be called on
the main event thread.
*/
void handleUpdateNowIfNeeded();
/** Returns true if there's an update callback in the pipeline. */
bool isUpdatePending() const noexcept;
//==============================================================================
/** Called back to do whatever your class needs to do.
This method is called by the message thread at the next convenient time
after the triggerAsyncUpdate() method has been called.
*/
virtual void handleAsyncUpdate() = 0;
private:
//==============================================================================
class AsyncUpdaterMessage;
friend class ReferenceCountedObjectPtr<AsyncUpdaterMessage>;
ReferenceCountedObjectPtr<AsyncUpdaterMessage> activeMessage;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AsyncUpdater)
};
} // namespace juce

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deps/juce/modules/juce_events/broadcasters/juce_ChangeBroadcaster.cpp vendored Normal file
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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
ChangeBroadcaster::ChangeBroadcaster() noexcept
{
broadcastCallback.owner = this;
}
ChangeBroadcaster::~ChangeBroadcaster()
{
}
void ChangeBroadcaster::addChangeListener (ChangeListener* const listener)
{
// Listeners can only be safely added when the event thread is locked
// You can use a MessageManagerLock if you need to call this from another thread.
JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED
changeListeners.add (listener);
anyListeners = true;
}
void ChangeBroadcaster::removeChangeListener (ChangeListener* const listener)
{
// Listeners can only be safely removed when the event thread is locked
// You can use a MessageManagerLock if you need to call this from another thread.
JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED
changeListeners.remove (listener);
anyListeners = changeListeners.size() > 0;
}
void ChangeBroadcaster::removeAllChangeListeners()
{
// Listeners can only be safely removed when the event thread is locked
// You can use a MessageManagerLock if you need to call this from another thread.
JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED
changeListeners.clear();
anyListeners = false;
}
void ChangeBroadcaster::sendChangeMessage()
{
if (anyListeners)
broadcastCallback.triggerAsyncUpdate();
}
void ChangeBroadcaster::sendSynchronousChangeMessage()
{
// This can only be called by the event thread.
JUCE_ASSERT_MESSAGE_MANAGER_IS_LOCKED
broadcastCallback.cancelPendingUpdate();
callListeners();
}
void ChangeBroadcaster::dispatchPendingMessages()
{
broadcastCallback.handleUpdateNowIfNeeded();
}
void ChangeBroadcaster::callListeners()
{
changeListeners.call ([this] (ChangeListener& l) { l.changeListenerCallback (this); });
}
//==============================================================================
ChangeBroadcaster::ChangeBroadcasterCallback::ChangeBroadcasterCallback()
: owner (nullptr)
{
}
void ChangeBroadcaster::ChangeBroadcasterCallback::handleAsyncUpdate()
{
jassert (owner != nullptr);
owner->callListeners();
}
} // namespace juce

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deps/juce/modules/juce_events/broadcasters/juce_ChangeBroadcaster.h vendored Normal file
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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
//==============================================================================
/**
Holds a list of ChangeListeners, and sends messages to them when instructed.
@see ChangeListener
@tags{Events}
*/
class JUCE_API ChangeBroadcaster
{
public:
//==============================================================================
/** Creates an ChangeBroadcaster. */
ChangeBroadcaster() noexcept;
/** Destructor. */
virtual ~ChangeBroadcaster();
//==============================================================================
/** Registers a listener to receive change callbacks from this broadcaster.
Trying to add a listener that's already on the list will have no effect.
*/
void addChangeListener (ChangeListener* listener);
/** Unregisters a listener from the list.
If the listener isn't on the list, this won't have any effect.
*/
void removeChangeListener (ChangeListener* listener);
/** Removes all listeners from the list. */
void removeAllChangeListeners();
//==============================================================================
/** Causes an asynchronous change message to be sent to all the registered listeners.
The message will be delivered asynchronously by the main message thread, so this
method will return immediately. To call the listeners synchronously use
sendSynchronousChangeMessage().
*/
void sendChangeMessage();
/** Sends a synchronous change message to all the registered listeners.
This will immediately call all the listeners that are registered. For thread-safety
reasons, you must only call this method on the main message thread.
@see dispatchPendingMessages
*/
void sendSynchronousChangeMessage();
/** If a change message has been sent but not yet dispatched, this will call
sendSynchronousChangeMessage() to make the callback immediately.
For thread-safety reasons, you must only call this method on the main message thread.
*/
void dispatchPendingMessages();
private:
//==============================================================================
class ChangeBroadcasterCallback : public AsyncUpdater
{
public:
ChangeBroadcasterCallback();
void handleAsyncUpdate() override;
ChangeBroadcaster* owner;
};
friend class ChangeBroadcasterCallback;
ChangeBroadcasterCallback broadcastCallback;
ListenerList <ChangeListener> changeListeners;
std::atomic<bool> anyListeners { false };
void callListeners();
JUCE_DECLARE_NON_COPYABLE (ChangeBroadcaster)
};
} // namespace juce

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deps/juce/modules/juce_events/broadcasters/juce_ChangeListener.h vendored Normal file
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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
class ChangeBroadcaster;
//==============================================================================
/**
Receives change event callbacks that are sent out by a ChangeBroadcaster.
A ChangeBroadcaster keeps a set of listeners to which it broadcasts a message when
the ChangeBroadcaster::sendChangeMessage() method is called. A subclass of
ChangeListener is used to receive these callbacks.
Note that the major difference between an ActionListener and a ChangeListener
is that for a ChangeListener, multiple changes will be coalesced into fewer
callbacks, but ActionListeners perform one callback for every event posted.
@see ChangeBroadcaster, ActionListener
@tags{Events}
*/
class JUCE_API ChangeListener
{
public:
/** Destructor. */
virtual ~ChangeListener() = default;
/** Your subclass should implement this method to receive the callback.
@param source the ChangeBroadcaster that triggered the callback.
*/
virtual void changeListenerCallback (ChangeBroadcaster* source) = 0;
};
} // namespace juce