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Fix C++ JoystickButton and POVButton (#2259)

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C++ JoystickButton and POVButton were both nonfunctional due to slicing when trigger passes itself by value to the button scheduler it creates.

Fix is to remove the virtual Get() method entirely and use only the m_isActive functor; since the subclass now passes the button condition back as a functor to the base class, in which it's stored as a member, it will now still work after being sliced.
This commit is contained in:
Oblarg
2020-01-12 17:57:28 -05:00
committed by Peter Johnson
parent 822e75ec45
commit cba21a768f
4 changed files with 33 additions and 51 deletions
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12
wpilibNewCommands/src/main/native/include/frc2/command/button/JoystickButton.h
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@@ -1,5 +1,5 @@
/*----------------------------------------------------------------------------*/
/* Copyright (c) 2019 FIRST. All Rights Reserved. */
/* Copyright (c) 2019-2020 FIRST. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
@@ -26,12 +26,8 @@ class JoystickButton : public Button {
* @param buttonNumber The number of the button on the joystic.
*/
explicit JoystickButton(frc::GenericHID* joystick, int buttonNumber)
: m_joystick{joystick}, m_buttonNumber{buttonNumber} {}
bool Get() const override { return m_joystick->GetRawButton(m_buttonNumber); }
private:
frc::GenericHID* m_joystick;
int m_buttonNumber;
: Button([joystick, buttonNumber] {
return joystick->GetRawButton(buttonNumber);
}) {}
};
} // namespace frc2