trusty (3) Prima::KeySelector.3.gz

NAME

       Prima::KeySelector - key combination widget and routines

DESCRIPTION

       The module provides a standard widget for selecting a user-defined key combination. The widget class
       allows import, export, and modification of key combinations.

       The module provides a set of routines, useful for conversion of a key combination between
       representations.

SYNOPSIS

               my $ks = Prima::KeySelector-> create( );
               $ks-> key( km::Alt | ord('X'));
               print Prima::KeySelector::describe( $ks-> key );

API

   Properties
       key INTEGER
           Selects a key combination in integer format. The format is described in "Hot key" in Prima::Menu, and
           is a combination of "km::XXX" key modifiers and either a "kb::XXX" virtual key, or a character code
           value.

           The property allows almost, but not all possible combinations of key constants. Only "km::Ctrl",
           "km::Alt", and "km::Shift" modifiers are allowed.

   Methods
       All methods here can ( and must ) be called without the object syntax; - the first parameter must not be
       neither package nor widget.

       describe KEY
           Accepts KEY in integer format, and returns string description of the key combination in human
           readable format. Useful for supplying an accelerator text to a menu.

                   print describe( km::Shift|km::Ctrl|km::F10);
                   Ctrl+Shift+F10

       export KEY
           Accepts KEY in integer format, and returns string with a perl-evaluable expression, which after
           evaluation resolves to the original KEY value. Useful for storing a key into text config files, where
           value must be both human readable and easily passed to a program.

                   print export( km::Shift|km::Ctrl|km::F10);
                   km::Shift|km::Ctrl|km::F10

       shortcut KEY
           Converts KEY from integer format to a string, acceptable by "Prima::AbstractMenu" input methods.

                   print shortcut( km::Ctrl|ord('X'));
                   ^X

       translate_codes KEY, [ USE_CTRL = 0 ]
           Converts KEY in integer format to three integers in the format accepted by "KeyDown" in Prima::Widget
           event: code, key, and modifier. USE_CTRL is only relevant when KEY first byte ( "KEY & 0xFF" ) is
           between 1 and 26, what means that the key is a combination of an alpha key with the control key.  If
           USE_CTRL is 1, code result is unaltered, and is in range 1 - 26.  Otherwise, code result is converted
           to the character code ( 1 to ord('A'), 2 to ord('B') etc ).

AUTHOR

       Dmitry Karasik, <dmitry@karasik.eu.org>.

SEE ALSO

       Prima, Prima::Widget, Prima::Menu.