The JUCE cross-platform C++ framework, with DISTRHO/KXStudio specific changes
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  1. /*
  2. ==============================================================================
  3. This file is part of the JUCE library.
  4. Copyright (c) 2022 - Raw Material Software Limited
  5. JUCE is an open source library subject to commercial or open-source
  6. licensing.
  7. By using JUCE, you agree to the terms of both the JUCE 7 End-User License
  8. Agreement and JUCE Privacy Policy.
  9. End User License Agreement: www.juce.com/juce-7-licence
  10. Privacy Policy: www.juce.com/juce-privacy-policy
  11. Or: You may also use this code under the terms of the GPL v3 (see
  12. www.gnu.org/licenses).
  13. JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
  14. EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
  15. DISCLAIMED.
  16. ==============================================================================
  17. */
  18. #pragma once
  19. //==============================================================================
  20. template <typename Type>
  21. class NumericValueSource final : public ValueSourceFilter
  22. {
  23. public:
  24. NumericValueSource (const Value& source) : ValueSourceFilter (source) {}
  25. var getValue() const override
  26. {
  27. return (Type) sourceValue.getValue();
  28. }
  29. void setValue (const var& newValue) override
  30. {
  31. const Type newVal = static_cast<Type> (newValue);
  32. if (newVal != static_cast<Type> (getValue())) // this test is important, because if a property is missing, it won't
  33. sourceValue = newVal; // create it (causing an unwanted undo action) when a control sets it to 0
  34. }
  35. JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (NumericValueSource)
  36. };