TWCLOCK(1) General Commands Manual TWCLOCK(1)NAME
twclock - a world clock and automatic ID for amateur radio operators
SYNOPSIS
twclock
DESCRIPTION
twclock is a world clock and automatic ID alarm for ham radio operators. All of its options can be accessed from a pop up menu. A right
mouse click will display the menu.
See the Help button on the pop up menu for a complete description of all the features.
SEE ALSO
More information about twclock is available on its website, http://wa0eir.ham.org
BUGS
Please send bug reports to: wa0eir@mchsi.com
AUTHOR
twclock was written by Ted Williams, WA0EIR.
March 23, 2011 TWCLOCK(1)
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glutMenuStatusFunc(3GLUT) GLUT glutMenuStatusFunc(3GLUT)NAME
glutMenuStatusFunc - sets the global menu status callback.
SYNTAX
#include <GLUT/glut.h>
void glutMenuStatusFunc(void (*func)(int status, int x, int y));
void glutMenuStateFunc(void (*func)(int status));
ARGUMENTS
func The new menu status (or state) callback function.
DESCRIPTION
glutMenuStatusFunc sets the global menu status callback so a GLUT program can determine when a menu is in use or not. When a menu status
callback is registered, it will be called with the value GLUT_MENU_IN_USE for its value parameter when pop-up menus are in use by the user;
and the callback will be called with the value GLUT_MENU_NOT_IN_USE for its status parameter when pop-up menus are no longer in use. The x
and y parameters indicate the location in window coordinates of the button press that caused the menu to go into use, or the location where
the menu was released (may be outside the window). The func parameter names the callback function. Other callbacks continue to operate
(except mouse motion callbacks) when pop-up menus are in use so the menu status callback allows a program to suspend animation or other
tasks when menus are in use. The cascading and unmapping of sub-menus from an initial pop-up menu does not generate menu status callbacks.
There is a single menu status callback for GLUT.
When the menu status callback is called, the current menu will be set to the initial pop-up menu in both the GLUT_MENU_IN_USE and
GLUT_MENU_NOT_IN_USE cases. The current window will be set to the window from which the initial menu was popped up from, also in both
cases.
Passing NULL to glutMenuStatusFunc disables the generation of the menu status callback.
glutMenuStateFunc is a deprecated version of the glutMenuStatusFunc routine. The only difference is glutMenuStateFunc callback prototype
does not deliver the two additional x and y coordinates.
SEE ALSO
glutCreateMenu, glutCreateWindow
AUTHOR
Mark J. Kilgard (mjk@nvidia.com)
GLUT 3.7 glutMenuStatusFunc(3GLUT)
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