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glutaddmenuentry(3) [centos man page]

UNTITLED
LOCAL UNTITLED NAME
glutAddMenuEntry -- Append an item to the current menu. LIBRARY
OpenGLUT - menus SYNOPSIS
#include <openglut.h> void glutAddMenuEntry(const char *label, int value); PARAMETERS
label Menu item text value Menu item callback value DESCRIPTION
Inserts a given ( label, value) pair into the current menu. label is the text displayed in the menu; value is the identifier received by the callback when the item is selected. The new entry is added to the end of the menu. SEE ALSO
glutAddSubMenu(3) glutChangeToMenuEntry(3) glutChangeToSubMenu(3) glutRemoveMenuItem(3) Epoch

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Menu::Item(3)						User Contributed Perl Documentation					     Menu::Item(3)

NAME
Tk::Menu::Item - Base class for Menu items SYNOPSIS
require Tk::Menu::Item; my $but = $menu->Button(...); $but->configure(...); my $what = $but->cget(); package Whatever; require Tk::Menu::Item; @ISA = qw(Tk::Menu::Item); sub PreInit { my ($class,$menu,$info) = @_; $info->{'-xxxxx'} = ... my $y = delete $info->{'-yyyy'}; } DESCRIPTION
Tk::Menu::Item is the base class from which Tk::Menu::Button, Tk::Menu::Cascade, Tk::Menu::Radiobutton and Tk::Menu::Checkbutton are derived. There is also a Tk::Menu::Separator. Constructors are declared so that $menu->Button(...) etc. do what you would expect. The "-label" option is pre-processed allowing ~ to be prefixed to the character to derive a "-underline" value. Thus $menu->Button(-label => 'Goto ~Home',...) is equivalent to $menu->Button(-label => 'Goto Home', -underline => 6, ...) The "Cascade" menu item creates a sub-menu and accepts these options: -menuitems A list of items for the sub-menu. Within this list (which is also accepted by Menu and Menubutton) the first two elements of each item should be the "constructor" name and the label: -menuitems => [ [Button => '~Quit', -command => [destroy => $mw]], [Checkbutton => '~Oil', -variable => $oil], ] -postcommand A callback to be invoked before posting the menu. -tearoff Specifies whether sub-menu can be torn-off or not. -menuvar Scalar reference that will be set to the newly-created sub-menu. The returned object is currently a blessed reference to an array of two items: the containing Menu and the 'label'. Methods "configure" and "cget" are mapped onto underlying "entryconfigure" and "entrycget". The main purpose of the OO interface is to allow derived item classes to be defined which pre-set the options used to create a more basic item. BUGS
This OO interface is very new. Using the label as the "key" is a problem for separaror items which don't have one. The alternative would be to use an index into the menu but that is a problem if items are deleted (or inserted other than at the end). There should probably be a PostInit entry point too, or a more widget like defered 'configure'. perl v5.12.1 2007-05-05 Menu::Item(3)
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