#include "..\glut.h"
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include "button.cpp"
/* Global object declarations */

const int window_width = 500;
const int window_height = 500;

bool polygon_on = false;

PushButton OKButton(20, 450, 50, 30, "ON/OFF");
PushButton QuitButton(420, 450, 50, 30, "Quit", 1.0, 0.0, 0.0);

const GLubyte my_pattern[4][32] = {0xff, 0xff, 0xff, 0xff,
                             0x00, 0x00, 0x00, 0x00,
                             0xff, 0xff, 0xff, 0xff,
                             0x00, 0x00, 0x00, 0x00,
                             0xff, 0xff, 0xff, 0xff,
                             0x00, 0x00, 0x00, 0x00,
                             0xff, 0xff, 0xff, 0xff,
                             0x00, 0x00, 0x00, 0x00,
                             0xff, 0xff, 0xff, 0xff,
                             0x00, 0x00, 0x00, 0x00,
                             0xff, 0xff, 0xff, 0xff,
                             0x00, 0x00, 0x00, 0x00,
                             0xff, 0xff, 0xff, 0xff,
                             0x00, 0x00, 0x00, 0x00 };

void my_init()
{
    glClearColor(0.6, 0.6, 0.2, 1.0);

    glEnable(POLYGON_STIPPLE);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluOrtho2D(0.0, 500.0, 0.0, 500.0);
    glMatrixMode(GL_MODELVIEW);
} // end of my_init()

void my_display()
{
    glClear(GL_COLOR_BUFFER_BIT);

    OKButton.Draw();
    QuitButton.Draw();

    if (polygon_on) {
        glPolygonStipple((GLubyte *) my_pattern );
        glBegin(GL_POLYGON);
            glColor3f(0.3, 0.3, 1.0);    glVertex2i(300, 50);
            glColor3f(1.0, 0.3, 0.3);    glVertex2i(50, 450);
            glColor3f(0.3, 1.0, 0.3);    glVertex2i(410, 400);
        glEnd();
    } // end if

	glFlush();
} // end of my_display()

void my_mouse_callback(int mouse_btn, int state, int x, int y)
{
    if (mouse_btn == GLUT_LEFT_BUTTON && state == GLUT_DOWN &&
        OKButton.WasClicked(x, y)) {
            OKButton.Depress();
    }

    if (mouse_btn == GLUT_LEFT_BUTTON && state == GLUT_UP &&
		OKButton.WasClicked(x, y)) {
             polygon_on = !polygon_on;
	    	 OKButton.Draw();
			 my_display();
    }

    if (mouse_btn == GLUT_LEFT_BUTTON && state == GLUT_DOWN &&
        QuitButton.WasClicked(x, y)) {
            QuitButton.Depress();
    }

    if (mouse_btn == GLUT_LEFT_BUTTON && state == GLUT_UP &&
        QuitButton.WasClicked(x, y)) {
            QuitButton.Draw();
            exit(0);
    }

} // end of my_mouse_callback()

void main(int argc, char **argv)
{
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB );
    glutInitWindowSize(window_width, window_height);
    glutInitWindowPosition(0, 0);
    glutCreateWindow("OpenGL PushButton Example");

    glutDisplayFunc(my_display);
    glutMouseFunc(my_mouse_callback);

    my_init();
    glutMainLoop();
}