28 lines
573 B
C++
28 lines
573 B
C++
|
#ifndef BWIDGETS_FOCUS_HANDLER_HPP_
|
||
|
|
#define BWIDGETS_FOCUS_HANDLER_HPP_
|
||
|
|
|
||
|
|
struct SDL_Rect;
|
||
|
|
|
||
|
|
namespace bwidgets::widget
|
||
|
|
{
|
||
|
|
class FocusHandler
|
||
|
|
{
|
||
|
|
protected:
|
||
|
|
const SDL_Rect* _focus_area = nullptr;
|
||
|
|
bool _has_focus = false;
|
||
|
|
|
||
|
|
virtual void _handle_focus_change(bool) = 0;
|
||
|
|
|
||
|
|
public:
|
||
|
|
virtual ~FocusHandler() = default;
|
||
|
|
|
||
|
|
virtual inline void focus(bool focus) final
|
||
|
|
{
|
||
|
|
_handle_focus_change(focus);
|
||
|
|
_has_focus = focus;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|