paulxstretch/deps/juce/modules/juce_gui_basics/mouse/juce_PointerState.h

110 lines
4.3 KiB
C++

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2022 - Raw Material Software Limited
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 7 End-User License
Agreement and JUCE Privacy Policy.
End User License Agreement: www.juce.com/juce-7-licence
Privacy Policy: www.juce.com/juce-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
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
{
#ifndef DOXYGEN
class PointerState
{
auto tie() const noexcept
{
return std::tie (position, pressure, orientation, rotation, tiltX, tiltY);
}
public:
PointerState() = default;
bool operator== (const PointerState& other) const noexcept { return tie() == other.tie(); }
bool operator!= (const PointerState& other) const noexcept { return tie() != other.tie(); }
JUCE_NODISCARD PointerState withPositionOffset (Point<float> x) const noexcept { return with (&PointerState::position, position + x); }
JUCE_NODISCARD PointerState withPosition (Point<float> x) const noexcept { return with (&PointerState::position, x); }
JUCE_NODISCARD PointerState withPressure (float x) const noexcept { return with (&PointerState::pressure, x); }
JUCE_NODISCARD PointerState withOrientation (float x) const noexcept { return with (&PointerState::orientation, x); }
JUCE_NODISCARD PointerState withRotation (float x) const noexcept { return with (&PointerState::rotation, x); }
JUCE_NODISCARD PointerState withTiltX (float x) const noexcept { return with (&PointerState::tiltX, x); }
JUCE_NODISCARD PointerState withTiltY (float x) const noexcept { return with (&PointerState::tiltY, x); }
Point<float> position;
float pressure = MouseInputSource::defaultPressure;
float orientation = MouseInputSource::defaultOrientation;
float rotation = MouseInputSource::defaultRotation;
float tiltX = MouseInputSource::defaultTiltX;
float tiltY = MouseInputSource::defaultTiltY;
bool isPressureValid() const noexcept { return 0.0f <= pressure && pressure <= 1.0f; }
bool isOrientationValid() const noexcept { return 0.0f <= orientation && orientation <= MathConstants<float>::twoPi; }
bool isRotationValid() const noexcept { return 0.0f <= rotation && rotation <= MathConstants<float>::twoPi; }
bool isTiltValid (bool isX) const noexcept
{
return isX ? (-1.0f <= tiltX && tiltX <= 1.0f)
: (-1.0f <= tiltY && tiltY <= 1.0f);
}
private:
template <typename Value>
PointerState with (Value PointerState::* member, Value item) const
{
auto copy = *this;
copy.*member = std::move (item);
return copy;
}
};
inline auto makeMouseEvent (MouseInputSource source,
const PointerState& ps,
ModifierKeys modifiers,
Component* eventComponent,
Component* originator,
Time eventTime,
Point<float> mouseDownPos,
Time mouseDownTime,
int numberOfClicks,
bool mouseWasDragged)
{
return MouseEvent (source,
ps.position,
modifiers,
ps.pressure,
ps.orientation,
ps.rotation,
ps.tiltX,
ps.tiltY,
eventComponent,
originator,
eventTime,
mouseDownPos,
mouseDownTime,
numberOfClicks,
mouseWasDragged);
}
#endif
} // namespace juce