menusystemtest01.cpp

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#include <cstdlib>
using namespace std;

#include <graphmisc.h>
#include <menusystemtest01.h>
#include <zpr.h>

string menusystemtest01::doc[] =
{ 
  "",
  "Display a 1 layer menu (no nesting) and use standard key capture."
};

bool * menusystemtest01::help = 0;
menusystem * menusystemtest01::messages = 0;

menusystemtest01::menusystemtest01(int argc, char** argv)
{
  glutInit(&argc,argv);
  glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
  glutInitWindowSize(800,600);
  glutCreateWindow("");
  glutDisplayFunc(display);
  glutKeyboardFunc(keyboard);

  OpenGLinitialisation();

  glEnable(GL_DEPTH_TEST);
  glEnable(GL_CULL_FACE);
  glEnable(GL_NORMALIZE);

  xGraphics.set();


  gobjpush(new gobjglDisable(GL_LIGHTING));
  menusystem * menu = 
    new menusystem(point2<GLint>(60,30),10);
  menu->fontcolor = point4<float>(218.0/255.0,165.0/255.0,32.0/255.0,0.75);

  menu->addfont12("menusystem Example 01",1);
  menu->addfont10(doc[1],2);
  
  menu->addfont10("[1] Print a message",1);
  menu->addfont10("[2] Print doc on menu composition",1);
  menu->addfont10("[3] Print doc on menusystem class",1);
  menu->addfont10("[h] Toggle the menu",1);
  menu->addfont10("[c] Clear",2);

  menu->addfont10("[q] Quit",1);

  menu->lightingdisable();
  menu->fontcolorenable();


  gobjSwitch<> * menuswitch = new gobjSwitch<>(menu,true);
  help = & menuswitch->isdrawn;
  gobjpush(menuswitch);

  // The messages menu
  messages = 
    new menusystem(point2<GLint>(60,250),10);
  gobjpush(messages);
  messages->fontcolor = point4<float>(1.0,0.0,0.0,0.8);
  messages->lightingdisable();
  
  zpr zz;
  glutMainLoop();
}

void menusystemtest01::keyboard(unsigned char key, int x, int y)
{
  switch (key)
  {
    case 'q': exit(0); break;
    case 'h': if (help!=0) *help = !*help; break;
    case 'c': messages->clear(); break;
    case '1': messages->addfont10("a message",1); break;
    case '2': messages->addfont10paragraph("There are two menus, the main menu and this message menu. By wrapping the main menu in a switch it can be toggled.",50,1); break; 
    case '3': messages->addfont10paragraph("In this exampel the menu system class is only used for display, and the standard keyboard overload is applied.",50,1); break;
  }

  glutPostRedisplay();
}


void menusystemtest01::display()
{
  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

  gobj::global->draw();


  glerrordisplay();
  
  glutSwapBuffers();
}