EventDispatcher Class Reference

Manages event callbacks for button presses. More...

#include <event_dispatcher.h>

Public Types
using	EventCallback = std::function< void()>
	Callback function type for button events.

Public Member Functions
void	registerHandler (uint8_t button, EventCallback callback)
	Registers a callback function for a button.
void	dispatch (uint8_t button)
	Executes the callback for the specified button.
void	clearHandlers ()
	Clears all registered event handlers.

Detailed Description

Manages event callbacks for button presses.

This class provides a simple event dispatching system that maps button indices to callback functions. It supports 5 buttons:

• 0-3: Action buttons A-D
• 4: Bank selection button

Definition at line 15 of file event_dispatcher.h.

Member Typedef Documentation

EventCallback

using EventDispatcher::EventCallback = std::function<void()>

Callback function type for button events.

Function signature for event handlers (no parameters, void return)

Definition at line 23 of file event_dispatcher.h.

Member Function Documentation

clearHandlers()

void EventDispatcher::clearHandlers

(

)

Clears all registered event handlers.

Resets all callbacks to empty functions.

Sets all callbacks to nullptr, effectively disabling them.

Definition at line 34 of file event_dispatcher.cpp.

dispatch()

void EventDispatcher::dispatch

(

uint8_t

button

)

Executes the callback for the specified button.

Executes the callback associated with a button.

Parameters

button

Button index (0-4) to dispatch

Performs bounds checking and null checking before execution.

Definition at line 21 of file event_dispatcher.cpp.

registerHandler()

void EventDispatcher::registerHandler	(	uint8_t	button,
		EventCallback	callback
	)

Registers a callback function for a button.

Registers a callback function for a specific button.

Parameters

button	Button index (0-4)
callback	Function to call when button is pressed

Performs bounds checking to ensure valid button index.

Definition at line 8 of file event_dispatcher.cpp.

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The documentation for this class was generated from the following files:

• event_dispatcher.h
• event_dispatcher.cpp