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Widgets::Menu(3pm) User Contributed Perl Documentation Widgets::Menu(3pm)NAME
Curses::Widgets::Menu - Menu Widgets
MODULE VERSION
$Id: Menu.pm,v 1.103 2002/11/14 01:26:34 corliss Exp corliss $
SYNOPSIS
use Curses::Widgets::Menu;
$menu = Curses::Widgets::Menu->new({
COLUMNS => 10,
INPUTFUNC => &scankey,
FOREGROUND => undef,
BACKGROUND => 'black',
FOCUSSWITCH => " ",
X => 1,
Y => 1,
MENUS => {
MENUORDER => [qw(File)],
File => {
ITEMORDER => [qw(Save Quit)],
Save => &Save,
Quit => &Quit,
},
CURSORPOS => 'File',
BORDER => 1,
});
$menu->draw($mwh, 1);
$menu->execute;
See the Curses::Widgets pod for other methods.
REQUIREMENTS
Curses
Curses::Widgets
Curses::Widgets::ListBox
DESCRIPTION
Curses::Widgets::Menu provides simplified OO access to menus. Each item in a menu can be tied to a subroutine reference which is called
when selected.
METHODS
new (inherited from Curses::Widgets)
$menu = Curses::Widgets::Menu->new({
INPUTFUNC => &scankey,
FOREGROUND => undef,
BACKGROUND => 'black',
FOCUSSWITCH => " ",
MENUS => {
MENUORDER => [qw(File)],
File => {
ITEMORDER => [qw(Save Quit)],
Save => &Save,
Quit => &Quit,
},
CURSORPOS => 'File',
BORDER => 1,
});
The new method instantiates a new Menu object. The only mandatory key/value pairs in the configuration hash are X and Y. All others have
the following defaults:
Key Default Description
============================================================
INPUTFUNC &scankey Function to use to scan for keystrokes
FOREGROUND undef Default foreground colour
BACKGROUND 'black' Default background colour
FOCUSSWITCH " " Characters which signify end of input
MENUS {} Menu structure
CURSORPOS '' Current position of the cursor
BORDER 0 Avoid window borders
The MENUS option is a hash of hashes, with each hash a separate menu, and the constituent hashes being a Entry/Function pairs. Each hash
requires a special key/value pair that determines the order of the items when displayed. Each item is separated by two spaces.
draw
$menu->draw($mwh, 1);
The draw method renders the menu in its current state. This requires a valid handle to a curses window in which it will render itself.
The optional second argument, if true, will cause the selection cursor to be rendered as well.
popup
$menu->popup;
This method causes the menu to be displayed. Since, theoretically, the menu should never be seen unless it's being actively used, we will
always assume that we need to draw a cursor on the list as well.
execute
$menu->execute;
This method acts like the standard Curses::Widgets method of the same name, with the exception being that selection of any menu item will
also cause it to exit (having already called the associated item subroutine).
HISTORY
2002/10/17 -- First implementation
AUTHOR /COPYRIGHT
(c) 2001 Arthur Corliss (corliss@digitalmages.com)
perl v5.8.8 2006-09-14 Widgets::Menu(3pm)