Squashed 'third_party/allwpilib_2016/' content from commit 7f61816

Change-Id: If9d9245880859cdf580f5d7f77045135d0521ce7
git-subtree-dir: third_party/allwpilib_2016
git-subtree-split: 7f618166ed253a24629934fcf89c3decb0528a3b
diff --git a/wpilibc/shared/include/Buttons/Button.h b/wpilibc/shared/include/Buttons/Button.h
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+++ b/wpilibc/shared/include/Buttons/Button.h
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+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2011. 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 $(WIND_BASE)/WPILib.  */
+/*----------------------------------------------------------------------------*/
+
+#ifndef __BUTTON_H__
+#define __BUTTON_H__
+
+#include "Buttons/Trigger.h"
+#include "Commands/Command.h"
+
+/**
+ * This class provides an easy way to link commands to OI inputs.
+ *
+ * It is very easy to link a button to a command.  For instance, you could
+ * link the trigger button of a joystick to a "score" command.
+ *
+ * This class represents a subclass of Trigger that is specifically aimed at
+ * buttons on an operator interface as a common use case of the more generalized
+ * Trigger objects. This is a simple wrapper around Trigger with the method
+ * names
+ * renamed to fit the Button object use.
+ *
+ * @author brad
+ */
+class Button : public Trigger {
+ public:
+  virtual void WhenPressed(Command *command);
+  virtual void WhileHeld(Command *command);
+  virtual void WhenReleased(Command *command);
+  virtual void CancelWhenPressed(Command *command);
+  virtual void ToggleWhenPressed(Command *command);
+};
+
+#endif