Olivier Smeesters / KeyboardManager

KeyboardManager: a class to manage the polling of a switch-matrix keyboard

Dependents:   KeyboardTest

SingleKeyPressMonitor.cpp

Committer:
osmeest
Date:
2011-01-23
Revision:
2:eb4cc53ff33d
Child:
3:1310c57aca77

File content as of revision 2:eb4cc53ff33d:

#include "kbd_mgr/SingleKeyPressMonitor.h"

namespace kbd_mgr {

void SingleKeyPressMonitor::operator()(const KeyboardState &newState)
{
    int key;
    if (newState.getKeyPressType(key) == KeyboardState::SingleKeyPress && this->lastReportedState.empty()) 
    {
        if (this->handler) {
            (*this->handler)(key, true);
        }
        
        this->lastReportedState = newState;
        this->lastReportedKey = key;
    }
    else if (!this->lastReportedState.empty() &&
             (newState & this->lastReportedState).empty())
    {
        if (this->handler) {
            (*this->handler)(this->lastReportedKey, false);
        }
        
        this->lastReportedState.clear();
        this->lastReportedKey = KeyPressEventHandler::NoKey;
    }

}

} // kbd_mgr