#ifdef G_OS_WIN32
  #define WIN32_LEAN_AND_MEAN 1
  #include <windows.h>
#endif

#include <stdlib.h>
#include <stdio.h>

#include <GL/gl.h>
#include <GL/glut.h>

#include "menu.h"

#define SCREEN_WIDTH  640
#define SCREEN_HEIGHT 480



void init_gl(void)
{

} // init_gl



void render_scene(void)
{
  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  glClearColor(1, 1, 1, 1);

  //// render teapot
  //glMatrixMode(GL_PROJECTION);
  //glPushMatrix();
  //  glLoadIdentity();
  //  gluPerspective(45, 1.0, 1.0, 200.0);
  //  glMatrixMode(GL_MODELVIEW);
  //  glTranslated(0, 0, -5);
  //  glColor3d(1, 0, 0);
  //  glutSolidTeapot(1);
  //  glTranslated(0, 0, 5);
  //  glMatrixMode(GL_PROJECTION);
  //glPopMatrix();

  MenuRender();

  glutSwapBuffers();

} // render_scene



void process_normal_keys(unsigned char key, int x, int y)
{
  // escape
  if (key == 27) exit(0);
  if (key == ' ') MenuNext();

} // process_normal_keys



void process_special_keys(int key, int x, int y)
{
  switch (key)
  {
	  // do sumting
  }

} // process_special_keys



void process_mouse(int button, int state, int x, int y)
{
  MenuMouseClick(button, state, x, y);

} // process_mouse



void process_passive_mouse(int x, int y)
{
  MenuMouseMove(x, y);

} // process_passive_mouse



int main(int argc, char **argv)
{
  glutInit(&argc, argv);
  glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
  glutInitWindowSize(SCREEN_WIDTH, SCREEN_HEIGHT);
  glutCreateWindow("Menu demo");
  glutDisplayFunc(render_scene);
  glutIdleFunc(render_scene);
  glutKeyboardFunc(process_normal_keys);
  glutSpecialFunc(process_special_keys);
  glutMouseFunc(process_mouse);
  glutPassiveMotionFunc(process_passive_mouse);

  init_gl();
  MenuInit(SCREEN_WIDTH, SCREEN_HEIGHT);

  glutEstablishOverlay();
  printf("Overlay %d\n", glutLayerGet(GLUT_OVERLAY_POSSIBLE));

  glutMainLoop();

  return 0;

} // main