Detecting Keys and Keycodes in Openframeworks

ofApp.cpp

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {
    ofAddListener(ofGetWindowPtr()->events().keyPressed, this,
                  &ofApp::keycodePressed);
}

//--------------------------------------------------------------
void ofApp::update(){
    
}

//--------------------------------------------------------------
void ofApp::draw(){
    
}

void ofApp::keycodePressed(ofKeyEventArgs& e){
    
    cout << "KEY : " << e.key << endl;
    cout << "KEYCODE : " << e.keycode << endl;
    cout << "MODIFIERS : " << e.modifiers << endl;
  
    if (e.keycode == 83 ) {
	    if (e.modifiers == 0) {
            cout << "Plain old s\n";
	    } else if (e.modifiers == OF_KEY_SHIFT) {
            cout << "SHIFT-s\n";
	    } else if (e.modifiers == OF_KEY_ALT) {
            cout << "ALT-s\n";
	    } else if (e.modifiers == OF_KEY_CONTROL) {
            cout << "CTRL-s\n";
	    }
    }
}

//--------------------------------------------------------------
void ofApp::keyReleased(int key){

}

//--------------------------------------------------------------
void ofApp::mouseMoved(int x, int y ){

}

//--------------------------------------------------------------
void ofApp::mouseDragged(int x, int y, int button){

}

//--------------------------------------------------------------
void ofApp::mousePressed(int x, int y, int button){

}

//--------------------------------------------------------------
void ofApp::mouseReleased(int x, int y, int button){

}

//--------------------------------------------------------------
void ofApp::mouseEntered(int x, int y){

}

//--------------------------------------------------------------
void ofApp::mouseExited(int x, int y){

}

//--------------------------------------------------------------
void ofApp::windowResized(int w, int h){

}

//--------------------------------------------------------------
void ofApp::gotMessage(ofMessage msg){

}

//--------------------------------------------------------------
void ofApp::dragEvent(ofDragInfo dragInfo){ 

}

ofApp.h

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp{

	public:
		void setup();
		void update();
		void draw();

		void keyReleased(int key);
		void mouseMoved(int x, int y );
		void mouseDragged(int x, int y, int button);
		void mousePressed(int x, int y, int button);
		void mouseReleased(int x, int y, int button);
		void mouseEntered(int x, int y);
		void mouseExited(int x, int y);
		void windowResized(int w, int h);
		void dragEvent(ofDragInfo dragInfo);
		void gotMessage(ofMessage msg);
		void keycodePressed(ofKeyEventArgs& e);
		
};