Files
allwpilib/wpilibc/src/main/native/include/SmartDashboard/SendableChooser.h
Thad House e1195e8b9d Update to 2018_v4 image and new build system. (#598)
* Revert "Force OpenCV to 3.1.0 (#602)"

This reverts commit 50ed55e8e2.

* Removes Simulation

* Removes old build system

* Removes old gtest

* Adds new gmock and gtest

* Updates to new ni-libraries

* removes MyRobot (to be replaced)

* moves files to new location

* Adds new sim backend and new test executables

* updates .styleguide and .gitignore

* Changes cpp WPILibVersion to a function

MSVC throws an AV with the old version.

* Disables USBCamera on all systems except for linux

* 2018 NI Libraries

* New build system
2017-08-18 21:35:53 -07:00

61 lines
2.0 KiB
C++

/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2011-2017. 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. */
/*----------------------------------------------------------------------------*/
#pragma once
#include <memory>
#include <string>
#include "SmartDashboard/SendableChooserBase.h"
#include "llvm/StringMap.h"
#include "llvm/StringRef.h"
#include "tables/ITable.h"
namespace frc {
/**
* The {@link SendableChooser} class is a useful tool for presenting a selection
* of options to the {@link SmartDashboard}.
*
* <p>For instance, you may wish to be able to select between multiple
* autonomous modes. You can do this by putting every possible {@link Command}
* you want to run as an autonomous into a {@link SendableChooser} and then put
* it into the {@link SmartDashboard} to have a list of options appear on the
* laptop. Once autonomous starts, simply ask the {@link SendableChooser} what
* the selected value is.</p>
*
* @tparam T The type of values to be stored
* @see SmartDashboard
*/
template <class T>
class SendableChooser : public SendableChooserBase {
llvm::StringMap<T> m_choices;
template <class U>
static U _unwrap_smart_ptr(const U& value);
template <class U>
static U* _unwrap_smart_ptr(const std::unique_ptr<U>& value);
template <class U>
static std::weak_ptr<U> _unwrap_smart_ptr(const std::shared_ptr<U>& value);
public:
virtual ~SendableChooser() = default;
void AddObject(llvm::StringRef name, T object);
void AddDefault(llvm::StringRef name, T object);
auto GetSelected() -> decltype(_unwrap_smart_ptr(m_choices[""]));
void InitTable(std::shared_ptr<ITable> subtable) override;
};
} // namespace frc
#include "SendableChooser.inc"