key-down
Factor handbook » UI framework » Implementing new gadgets » UI gestures » Keyboard gestures

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key-up

Vocabulary
ui.gestures

Class description
Key down gesture. Instances have two slots:

mods	a sequence of modifiers; see Keyboard gestures
sym	a string denoting the key pressed; see Keyboard gestures

Examples

T{ key-down f { C+ } "a" } T{ key-down f f "TAB" }

Definition

IN: ui.gestures

TUPLE: key-down < key-gesture ;

Methods

USING: accessors ascii combinators combinators.short-circuit
kernel sequences ui.gestures ;

M: key-down gesture>string
    [ mods>> ] [ sym>> ] bi {
        {
            [ dup { [ length 1 = ] [ first LETTER? ] } 1&& ]
            [ [ S+ prefix ] dip ]
        }
        { [ dup " " = ] [ drop "SPACE" ] }
        [ ]
    } cond [ modifiers>string ] [ keysym>string ] bi* append ;