51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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#pragma once
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//==============================================================================
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template <typename Type>
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class NumericValueSource : public ValueSourceFilter
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{
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public:
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NumericValueSource (const Value& source) : ValueSourceFilter (source) {}
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var getValue() const override
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{
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return (Type) sourceValue.getValue();
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}
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void setValue (const var& newValue) override
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{
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const Type newVal = static_cast<Type> (newValue);
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if (newVal != static_cast<Type> (getValue())) // this test is important, because if a property is missing, it won't
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sourceValue = newVal; // create it (causing an unwanted undo action) when a control sets it to 0
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}
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (NumericValueSource)
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};
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