Input (Continued)

• Keyboard
  • Standard keys

    This event is triggered whenever one of the standard keyboard keys is pressed.

      glutKeyboardFunc(keyboardCB);  /* register keyboard callback */
    
      void keyboard(unsigned char key, int x, int y);
    

    where key is the ASCII code of the pressed key; and x, y are the coordinates of the mouse cursor at the time of the event.

  • Special keys

    This event is triggered whenever one of the special keyboard keys is pressed.

      glutSpecialFunc(specialCB);    /* register special callback */
    
      void specialCB(int key, int x, int y);
    

    where key is one of the following macro values (defined in glut.h):

    GLUT_KEY_LEFT	Left arrow	GLUT_KEY_F1	F1 function key
    GLUT_KEY_UP	Up arrow	GLUT_KEY_F2	F2 function key
    GLUT_KEY_RIGHT	Right arrow	GLUT_KEY_F3	F3 function key
    GLUT_KEY_DOWN	Down arrow	GLUT_KEY_F4	F4 function key
    GLUT_KEY_PAGE_UP	Page up	GLUT_KEY_F5	F5 function key
    GLUT_KEY_PAGE_DOWN	Page down	GLUT_KEY_F6	F6 function key
    GLUT_KEY_HOME	Home	GLUT_KEY_F7	F7 function key
    GLUT_KEY_END	End	GLUT_KEY_F8	F8 function key
    GLUT_KEY_INSERT	Insert	GLUT_KEY_F9	F9 function key
    		GLUT_KEY_F10	F10 function key
    		GLUT_KEY_F11	F11 function key
    		GLUT_KEY_F12	F12 function key

    and x, y are the coordinates of the mouse cursor at the time of the event.

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