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113 lines
5 KiB
C++
113 lines
5 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce::detail
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{
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class PointerState
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{
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auto tie() const noexcept
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{
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return std::tie (position, pressure, orientation, rotation, tiltX, tiltY);
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}
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public:
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PointerState() = default;
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bool operator== (const PointerState& other) const noexcept { return tie() == other.tie(); }
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bool operator!= (const PointerState& other) const noexcept { return tie() != other.tie(); }
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[[nodiscard]] PointerState withPositionOffset (Point<float> x) const noexcept { return with (&PointerState::position, position + x); }
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[[nodiscard]] PointerState withPosition (Point<float> x) const noexcept { return with (&PointerState::position, x); }
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[[nodiscard]] PointerState withPressure (float x) const noexcept { return with (&PointerState::pressure, x); }
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[[nodiscard]] PointerState withOrientation (float x) const noexcept { return with (&PointerState::orientation, x); }
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[[nodiscard]] PointerState withRotation (float x) const noexcept { return with (&PointerState::rotation, x); }
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[[nodiscard]] PointerState withTiltX (float x) const noexcept { return with (&PointerState::tiltX, x); }
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[[nodiscard]] PointerState withTiltY (float x) const noexcept { return with (&PointerState::tiltY, x); }
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Point<float> position;
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float pressure = MouseInputSource::defaultPressure;
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float orientation = MouseInputSource::defaultOrientation;
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float rotation = MouseInputSource::defaultRotation;
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float tiltX = MouseInputSource::defaultTiltX;
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float tiltY = MouseInputSource::defaultTiltY;
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bool isPressureValid() const noexcept { return 0.0f <= pressure && pressure <= 1.0f; }
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bool isOrientationValid() const noexcept { return 0.0f <= orientation && orientation <= MathConstants<float>::twoPi; }
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bool isRotationValid() const noexcept { return 0.0f <= rotation && rotation <= MathConstants<float>::twoPi; }
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bool isTiltValid (bool isX) const noexcept
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{
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return isX ? (-1.0f <= tiltX && tiltX <= 1.0f)
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: (-1.0f <= tiltY && tiltY <= 1.0f);
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}
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private:
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template <typename Value>
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PointerState with (Value PointerState::* member, Value item) const
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{
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auto copy = *this;
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copy.*member = std::move (item);
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return copy;
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}
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};
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inline auto makeMouseEvent (MouseInputSource source,
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const PointerState& ps,
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ModifierKeys modifiers,
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Component* eventComponent,
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Component* originator,
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Time eventTime,
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Point<float> mouseDownPos,
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Time mouseDownTime,
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int numberOfClicks,
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bool mouseWasDragged)
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{
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return MouseEvent (source,
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ps.position,
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modifiers,
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ps.pressure,
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ps.orientation,
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ps.rotation,
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ps.tiltX,
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ps.tiltY,
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eventComponent,
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originator,
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eventTime,
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mouseDownPos,
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mouseDownTime,
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numberOfClicks,
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mouseWasDragged);
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}
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} // namespace juce::detail
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