Move CameraServer and WPILib headers into their own folder

The old headers were moved into folders because doing so avoids polluting
the system include directories.

Folder names were also normalized to lowercase.

wpilibc/src/main/native/cpp/buttons/Button.cpp

@@ -0,0 +1,20 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2011-2018 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/buttons/Button.h"
+
+using namespace frc;
+
+void Button::WhenPressed(Command* command) { WhenActive(command); }
+
+void Button::WhileHeld(Command* command) { WhileActive(command); }
+
+void Button::WhenReleased(Command* command) { WhenInactive(command); }
+
+void Button::CancelWhenPressed(Command* command) { CancelWhenActive(command); }
+
+void Button::ToggleWhenPressed(Command* command) { ToggleWhenActive(command); }

wpilibc/src/main/native/cpp/buttons/ButtonScheduler.cpp

@@ -0,0 +1,17 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2011-2018 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/buttons/ButtonScheduler.h"
+
+#include "frc/commands/Scheduler.h"
+
+using namespace frc;
+
+ButtonScheduler::ButtonScheduler(bool last, Trigger* button, Command* orders)
+    : m_pressedLast(last), m_button(button), m_command(orders) {}
+
+void ButtonScheduler::Start() { Scheduler::GetInstance()->AddButton(this); }

wpilibc/src/main/native/cpp/buttons/CancelButtonScheduler.cpp

@@ -0,0 +1,30 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2011-2018 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/buttons/CancelButtonScheduler.h"
+
+#include "frc/buttons/Button.h"
+#include "frc/commands/Command.h"
+
+using namespace frc;
+
+CancelButtonScheduler::CancelButtonScheduler(bool last, Trigger* button,
+                                             Command* orders)
+    : ButtonScheduler(last, button, orders) {
+  pressedLast = m_button->Grab();
+}
+
+void CancelButtonScheduler::Execute() {
+  if (m_button->Grab()) {
+    if (!pressedLast) {
+      pressedLast = true;
+      m_command->Cancel();
+    }
+  } else {
+    pressedLast = false;
+  }
+}

wpilibc/src/main/native/cpp/buttons/HeldButtonScheduler.cpp

@@ -0,0 +1,29 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2011-2018 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/buttons/HeldButtonScheduler.h"
+
+#include "frc/buttons/Button.h"
+#include "frc/commands/Command.h"
+
+using namespace frc;
+
+HeldButtonScheduler::HeldButtonScheduler(bool last, Trigger* button,
+                                         Command* orders)
+    : ButtonScheduler(last, button, orders) {}
+
+void HeldButtonScheduler::Execute() {
+  if (m_button->Grab()) {
+    m_pressedLast = true;
+    m_command->Start();
+  } else {
+    if (m_pressedLast) {
+      m_pressedLast = false;
+      m_command->Cancel();
+    }
+  }
+}

wpilibc/src/main/native/cpp/buttons/InternalButton.cpp

@@ -0,0 +1,19 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2011-2018 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/buttons/InternalButton.h"
+
+using namespace frc;
+
+InternalButton::InternalButton(bool inverted)
+    : m_pressed(inverted), m_inverted(inverted) {}
+
+void InternalButton::SetInverted(bool inverted) { m_inverted = inverted; }
+
+void InternalButton::SetPressed(bool pressed) { m_pressed = pressed; }
+
+bool InternalButton::Get() { return m_pressed ^ m_inverted; }

wpilibc/src/main/native/cpp/buttons/JoystickButton.cpp

@@ -0,0 +1,15 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2011-2018 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/buttons/JoystickButton.h"
+
+using namespace frc;
+
+JoystickButton::JoystickButton(GenericHID* joystick, int buttonNumber)
+    : m_joystick(joystick), m_buttonNumber(buttonNumber) {}
+
+bool JoystickButton::Get() { return m_joystick->GetRawButton(m_buttonNumber); }

wpilibc/src/main/native/cpp/buttons/NetworkButton.cpp

@@ -0,0 +1,26 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2011-2018 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/buttons/NetworkButton.h"
+
+#include <networktables/NetworkTable.h>
+#include <networktables/NetworkTableInstance.h>
+
+using namespace frc;
+
+NetworkButton::NetworkButton(const wpi::Twine& tableName,
+                             const wpi::Twine& field)
+    : NetworkButton(nt::NetworkTableInstance::GetDefault().GetTable(tableName),
+                    field) {}
+
+NetworkButton::NetworkButton(std::shared_ptr<nt::NetworkTable> table,
+                             const wpi::Twine& field)
+    : m_entry(table->GetEntry(field)) {}
+
+bool NetworkButton::Get() {
+  return m_entry.GetInstance().IsConnected() && m_entry.GetBoolean(false);
+}

wpilibc/src/main/native/cpp/buttons/PressedButtonScheduler.cpp

@@ -0,0 +1,28 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2011-2018 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/buttons/PressedButtonScheduler.h"
+
+#include "frc/buttons/Button.h"
+#include "frc/commands/Command.h"
+
+using namespace frc;
+
+PressedButtonScheduler::PressedButtonScheduler(bool last, Trigger* button,
+                                               Command* orders)
+    : ButtonScheduler(last, button, orders) {}
+
+void PressedButtonScheduler::Execute() {
+  if (m_button->Grab()) {
+    if (!m_pressedLast) {
+      m_pressedLast = true;
+      m_command->Start();
+    }
+  } else {
+    m_pressedLast = false;
+  }
+}

wpilibc/src/main/native/cpp/buttons/ReleasedButtonScheduler.cpp

@@ -0,0 +1,28 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2011-2018 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/buttons/ReleasedButtonScheduler.h"
+
+#include "frc/buttons/Button.h"
+#include "frc/commands/Command.h"
+
+using namespace frc;
+
+ReleasedButtonScheduler::ReleasedButtonScheduler(bool last, Trigger* button,
+                                                 Command* orders)
+    : ButtonScheduler(last, button, orders) {}
+
+void ReleasedButtonScheduler::Execute() {
+  if (m_button->Grab()) {
+    m_pressedLast = true;
+  } else {
+    if (m_pressedLast) {
+      m_pressedLast = false;
+      m_command->Start();
+    }
+  }
+}

wpilibc/src/main/native/cpp/buttons/ToggleButtonScheduler.cpp

@@ -0,0 +1,34 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2011-2018 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/buttons/ToggleButtonScheduler.h"
+
+#include "frc/buttons/Button.h"
+#include "frc/commands/Command.h"
+
+using namespace frc;
+
+ToggleButtonScheduler::ToggleButtonScheduler(bool last, Trigger* button,
+                                             Command* orders)
+    : ButtonScheduler(last, button, orders) {
+  pressedLast = m_button->Grab();
+}
+
+void ToggleButtonScheduler::Execute() {
+  if (m_button->Grab()) {
+    if (!pressedLast) {
+      pressedLast = true;
+      if (m_command->IsRunning()) {
+        m_command->Cancel();
+      } else {
+        m_command->Start();
+      }
+    }
+  } else {
+    pressedLast = false;
+  }
+}

wpilibc/src/main/native/cpp/buttons/Trigger.cpp

@@ -0,0 +1,50 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2011-2018 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.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/buttons/Button.h"
+#include "frc/buttons/CancelButtonScheduler.h"
+#include "frc/buttons/HeldButtonScheduler.h"
+#include "frc/buttons/PressedButtonScheduler.h"
+#include "frc/buttons/ReleasedButtonScheduler.h"
+#include "frc/buttons/ToggleButtonScheduler.h"
+#include "frc/smartdashboard/SendableBuilder.h"
+
+using namespace frc;
+
+bool Trigger::Grab() { return Get() || m_sendablePressed; }
+
+void Trigger::WhenActive(Command* command) {
+  auto pbs = new PressedButtonScheduler(Grab(), this, command);
+  pbs->Start();
+}
+
+void Trigger::WhileActive(Command* command) {
+  auto hbs = new HeldButtonScheduler(Grab(), this, command);
+  hbs->Start();
+}
+
+void Trigger::WhenInactive(Command* command) {
+  auto rbs = new ReleasedButtonScheduler(Grab(), this, command);
+  rbs->Start();
+}
+
+void Trigger::CancelWhenActive(Command* command) {
+  auto cbs = new CancelButtonScheduler(Grab(), this, command);
+  cbs->Start();
+}
+
+void Trigger::ToggleWhenActive(Command* command) {
+  auto tbs = new ToggleButtonScheduler(Grab(), this, command);
+  tbs->Start();
+}
+
+void Trigger::InitSendable(SendableBuilder& builder) {
+  builder.SetSmartDashboardType("Button");
+  builder.SetSafeState([=]() { m_sendablePressed = false; });
+  builder.AddBooleanProperty("pressed", [=]() { return Grab(); },
+                             [=](bool value) { m_sendablePressed = value; });
+}