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Add WebView related helper classes for implementing AudioProcessorEditor::getControlParameterIndex

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attila 2024-06-03 14:32:13 +02:00
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/*
==============================================================================
This file is part of the JUCE framework.
Copyright (c) Raw Material Software Limited
JUCE is an open source framework subject to commercial or open source
licensing.
By downloading, installing, or using the JUCE framework, or combining the
JUCE framework with any other source code, object code, content or any other
copyrightable work, you agree to the terms of the JUCE End User Licence
Agreement, and all incorporated terms including the JUCE Privacy Policy and
the JUCE Website Terms of Service, as applicable, which will bind you. If you
do not agree to the terms of these agreements, we will not license the JUCE
framework to you, and you must discontinue the installation or download
process and cease use of the JUCE framework.
JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
JUCE Privacy Policy: https://juce.com/juce-privacy-policy
JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
Or:
You may also use this code under the terms of the AGPLv3:
https://www.gnu.org/licenses/agpl-3.0.en.html
THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
==============================================================================
*/
namespace juce
{
#if JUCE_WEB_BROWSER || DOXYGEN
/** This is a helper class for implementing AudioProcessorEditor::getControlParameterIndex with GUIs
using a WebBrowserComponent.
Create an instance of this class and attach it to the WebBrowserComponent by using
WebBrowserComponent::Options::withOptionsFrom.
In your frontend code you can use the ControlParameterIndexUpdater class, that emits
controlParameterIndexChanged events based on the mouse movement, and control parameter index
annotations attached to DOM elements.
*/
class JUCE_API WebControlParameterIndexReceiver : public OptionsBuilder<WebBrowserComponent::Options>
{
public:
/* Returns the control parameter index last reported by the WebBrowserComponent GUI to be
active.
*/
int getControlParameterIndex() const { return controlParameterIndex; }
//==============================================================================
WebBrowserComponent::Options buildOptions (const WebBrowserComponent::Options& initialOptions) override
{
return initialOptions.withEventListener ("__juce__controlParameterIndexChanged",
[this] (auto newIndex)
{
controlParameterIndex = (int) newIndex;
});
}
private:
int controlParameterIndex = -1;
};
#endif
}