05-12-2015
Go back and look at message #3 in this thread again. You seem to have used the two characters circumflex (^) and capital letter b (B) instead of the single character that you get by pressing and holding the control key (control, ctl, or cntl on your keyboard depending on your keyboard manufacturer) while you press and release the B key. This key combination would show up on your editing screen as ^B if you were using common UNIX/Linux/POSIX editing tools like vi.
If, for some reason, you are unable to use the ctl-B key combination to create that character, you can replace all occurrences of that character in the sed command line with any other character that CANNOT appear as a legitimate character in your input file except that you cannot use a character that has a special meaning in a basic regular expression nor that has a special meaning in a sed s command replacement string.
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LEARN ABOUT REDHAT
glutkeyboardupfunc
glutKeyboardUpFunc(3GLUT) GLUT glutKeyboardUpFunc(3GLUT)
NAME
glutKeyboardUpFunc - sets the keyboard up (key release) callback for the current window.
SYNTAX
void glutKeyboardUpFunc(void (*func)(unsigned char key,
int x, int y));
ARGUMENTS
func The new keyboard up callback function.
DESCRIPTION
glutKeyboardFunc sets the keyboard up (key release) callback for the current window. When a user types into the window, each key release
matching an ASCII character will generate a keyboard up callback. The key callback parameter is the generated ASCII character. The state of
modifier keys such as Shift cannot be determined directly; their only effect will be on the returned ASCII data. The x and y callback
parameters indicate the mouse location in window relative coordinates when the key was pressed. When a new window is created, no keyboard
callback is initially registered, and ASCII key strokes in the window are ignored. Passing NULL to glutKeyboardFunc disables the generation
of keyboard callbacks.
During a keyboard up callback, glutGetModifiers may be called to determine the state of modifier keys when the keystroke generating the
callback occurred.
To avoid the reporting of key release/press pairs due to auto repeat, use glutIgnoreKeyRepeat to ignore auto repeated keystrokes.
There is no guarantee that the keyboard press callback will match the exact ASCII character as the keyboard up callback. For example, the
key down may be for a lowercase b, but the key release may report an uppercase B if the shift state has changed. The same applies to sym-
bols and control characters. The precise behavior is window system dependent.
Use glutSpecialUpFunc for a means to detect non-ASCII key releases.
SEE ALSO
glutKeyboardFunc, glutSpecialUpFunc, glutSpecialFunc, glutCreateWindow, glutMouseFunc, glutSpaceballButtonFunc, glutButtonBoxFunc, glut-
TabletButtonFunc, glutGetModifiers, glutIgnoreKeyRepeat
AUTHOR
Mark J. Kilgard (mjk@nvidia.com)
GLUT
3.7 glutKeyboardUpFunc(3GLUT)