glutkeyboardfunc(3) [centos man page]

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NAME

     glutKeyboardFunc -- Sets the Keyboard callback for the current window.

LIBRARY

     OpenGLUT - input

SYNOPSIS

     #include <openglut.h>

     void
     glutKeyboardFunc(void( * callback )( unsigned char key, int x, int y ));

PARAMETERS

      callback	   Client function for keyboard event.

DESCRIPTION

     This callback registration allows you to handle traditional ASCII keyboard input.	A general rule of thumb is that if a key has a common
     ASCII code, then OpenGLUT assigns that code to the key and calls the Keyboard  callback  with the ASCII code in the  key  parameter.  For
     other keys, you must use glutSpecialFunc().  Not all keys can be reported by OpenGLUT.

     As a convenience, the mouse coordinates, relative to your window, are also returned.

     This callback is bound to the  current window  .

CAVEATS

     This function is not very international-friendly.

     Windows created via glutCreateMenuWindow() always cascade keyboard and mouse events to their parent.

SEE ALSO

     glutKeyboardUpFunc(3) glutSpecialFunc(3)

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NAME

     glutSpecialFunc -- Sets the Special callback for the current window

LIBRARY

     OpenGLUT - input

SYNOPSIS

     #include <openglut.h>

     void
     glutSpecialFunc(void( *callback )( int key, int x, int y ));

PARAMETERS

      callback	   Client function for keyboard event.

DESCRIPTION

     Registers a  callback  for OpenGLUT to call when the user presses "special" keys on the keyboard.

     The special callback handles some additional keys that are not covered under plain "keyboard" events.  The  key  that is passed to the  call-
     back  is one of an enumerated set.  The association to keys on your keyboard should be obvious.  Their GLUT symbol names are:

      -  GLUT_KEY_F1
      -  GLUT_KEY_F2
      -  GLUT_KEY_F3
      -  GLUT_KEY_F4
      -  GLUT_KEY_F5
      -  GLUT_KEY_F6
      -  GLUT_KEY_F7
      -  GLUT_KEY_F8
      -  GLUT_KEY_F9
      -  GLUT_KEY_F10
      -  GLUT_KEY_F11
      -  GLUT_KEY_F12
      -  GLUT_KEY_LEFT
      -  GLUT_KEY_UP
      -  GLUT_KEY_RIGHT
      -  GLUT_KEY_DOWN
      -  GLUT_KEY_PAGE_UP
      -  GLUT_KEY_PAGE_DOWN
      -  GLUT_KEY_HOME
      -  GLUT_KEY_END
      -  GLUT_KEY_INSERT

     To receive other keys, see glutKeyboardFunc().

     This callback is bound to the  current window  .

CAVEATS

     Many keys are not included; nor is it possible to apply qualifiers such as the Shift or Ctrl key to these keys.

     Windows created via glutCreateMenuWindow() always cascade keyboard and mouse events to their parent.

SEE ALSO

     glutSpecialUpFunc(3) glutKeyboardFunc(3)

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