sample4.cpp

#include <GL/glut.h>
#include <GL/freeglut_ext.h>
#include <iostream>

using namespace std;

void display1();
void mouseMonitor(int button, int state, int x, int y);

float xpos = 0.0f;
float ypos = 0.0f;

int main(int argc, char** argv) {
	glutInit(&argc, argv);
	glutInitWindowSize(640, 480);
	glutInitWindowPosition(0, 0); // top-left most
	glutCreateWindow("OpenGL Setup Test");
	glutDisplayFunc(display1);
	glutMouseFunc(mouseMonitor);
	glutMainLoop();
	return 0;
}

void mouseMonitor(int button, int state, int x, int y) {
	if (button == GLUT_LEFT_BUTTON) {
		cout << "LEFT" << endl;
		if (state == GLUT_UP) { // mouse pressed
			cout << "UP" << endl;
		} else { // mouse unpressed
			cout << "DOWN" << endl;
		}
	} else if (button == GLUT_RIGHT_BUTTON) {
		cout << "RIGHT" << endl;
	}
}

void display1() {
	glClear(GL_COLOR_BUFFER_BIT);
	
	const unsigned char str[100] = {"FEU-TECH"};
	glColor3f(0.0f, 0.0f, 1.0f);
	glRasterPos2f(xpos, ypos);
	glutBitmapString(GLUT_BITMAP_TIMES_ROMAN_24, str);
	
	glFlush();
}