Class keyboard_state

Boost C++ Libraries

Class keyboard_state

boost::ui::keyboard_state — Keyboard state class.

Synopsis

// In header: <boost/ui/event.hpp>


class keyboard_state {
public:
  // construct/copy/destruct
  keyboard_state();

  // public member functions
  bool ctrl() const;
  bool shift() const;
  bool alt() const;
  bool meta() const;
};

Description

`keyboard_state` public construct/copy/destruct

```
keyboard_state();
```

`keyboard_state` public member functions

```
bool ctrl() const;
```
Returns true only if Control key is pressed.
```
bool shift() const;
```
Returns true only if Shift key is pressed.
```
bool alt() const;
```
Returns true only if Alt key is pressed.
```
bool meta() const;
```
Returns true only if Meta key is pressed.