    indexing
    	description: "Eiffel Vision key constants. Each constant defined here %Ncorresponds to a possible value of {EV_KEY}.code"
    	legal: "See notice at end of class."
    	status: "See notice at end of class."
    	keywords: "key, code, constant"
    	date: "generated"
    	revision: "generated"

    class interface
    	EV_KEY_CONSTANTS

    create
    	default_create
    			-- Process instances of classes with no creation clause.
    			-- (Default: do nothing.)
    			-- (from ANY)

    feature -- Access

    	generating_type: STRING_8
    			-- Name of current object's generating type
    			-- (type of which it is a direct instance)
    			-- (from ANY)

    	generator: STRING_8
    			-- Name of current object's generating class
    			-- (base class of the type of which it is a direct instance)
    			-- (from ANY)

    	key_code_from_key_string (key_string: STRING_GENERAL): INTEGER_32
    			-- Key code value from `key_string'
    		require
    			key_string_not_void: key_string /= Void

    	key_strings: ARRAY [STRING_32]
    			-- String representations of all key codes.

    feature -- Comparison

    	frozen deep_equal (some: ANY; other: like arg #1): BOOLEAN
    			-- Are `some' and `other' either both void
    			-- or attached to isomorphic object structures?
    			-- (from ANY)
    		ensure -- from ANY
    			shallow_implies_deep: standard_equal (some, other) implies Result
    			both_or_none_void: (some = Void) implies (Result = (other = Void))
    			same_type: (Result and (some /= Void)) implies some.same_type (other)
    			symmetric: Result implies deep_equal (other, some)

    	frozen equal (some: ANY; other: like arg #1): BOOLEAN
    			-- Are `some' and `other' either both void or attached
    			-- to objects considered equal?
    			-- (from ANY)
    		ensure -- from ANY
    			definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.is_equal (other))

    	is_equal (other: like Current): BOOLEAN
    			-- Is `other' attached to an object considered
    			-- equal to current object?
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    		ensure -- from ANY
    			symmetric: Result implies other.is_equal (Current)
    			consistent: standard_is_equal (other) implies Result

    	frozen standard_equal (some: ANY; other: like arg #1): BOOLEAN
    			-- Are `some' and `other' either both void or attached to
    			-- field-by-field identical objects of the same type?
    			-- Always uses default object comparison criterion.
    			-- (from ANY)
    		ensure -- from ANY
    			definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.standard_is_equal (other))

    	frozen standard_is_equal (other: like Current): BOOLEAN
    			-- Is `other' attached to an object of the same type
    			-- as current object, and field-by-field identical to it?
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    		ensure -- from ANY
    			same_type: Result implies same_type (other)
    			symmetric: Result implies other.standard_is_equal (Current)

    feature -- Status report

    	conforms_to (other: ANY): BOOLEAN
    			-- Does type of current object conform to type
    			-- of `other' (as per Eiffel: The Language, chapter 13)?
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void

    	same_type (other: ANY): BOOLEAN
    			-- Is type of current object identical to type of `other'?
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    		ensure -- from ANY
    			definition: Result = (conforms_to (other) and other.conforms_to (Current))

    feature -- Duplication

    	copy (other: like Current)
    			-- Update current object using fields of object attached
    			-- to `other', so as to yield equal objects.
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    			type_identity: same_type (other)
    		ensure -- from ANY
    			is_equal: is_equal (other)

    	frozen deep_copy (other: like Current)
    			-- Effect equivalent to that of:
    			--		copy (`other' . deep_twin)
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    		ensure -- from ANY
    			deep_equal: deep_equal (Current, other)

    	frozen deep_twin: like Current
    			-- New object structure recursively duplicated from Current.
    			-- (from ANY)
    		ensure -- from ANY
    			deep_equal: deep_equal (Current, Result)

    	frozen standard_copy (other: like Current)
    			-- Copy every field of `other' onto corresponding field
    			-- of current object.
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    			type_identity: same_type (other)
    		ensure -- from ANY
    			is_standard_equal: standard_is_equal (other)

    	frozen standard_twin: like Current
    			-- New object field-by-field identical to `other'.
    			-- Always uses default copying semantics.
    			-- (from ANY)
    		ensure -- from ANY
    			standard_twin_not_void: Result /= Void
    			equal: standard_equal (Result, Current)

    	frozen twin: like Current
    			-- New object equal to `Current'
    			-- twin calls copy; to change copying/twining semantics, redefine copy.
    			-- (from ANY)
    		ensure -- from ANY
    			twin_not_void: Result /= Void
    			is_equal: Result.is_equal (Current)

    feature -- Basic operations

    	frozen default: like Current
    			-- Default value of object's type
    			-- (from ANY)

    	frozen default_pointer: POINTER
    			-- Default value of type `POINTER'
    			-- (Avoid the need to write `p'.default for
    			-- some `p' of type `POINTER'.)
    			-- (from ANY)

    	default_rescue
    			-- Process exception for routines with no Rescue clause.
    			-- (Default: do nothing.)
    			-- (from ANY)

    	frozen do_nothing
    			-- Execute a null action.
    			-- (from ANY)

    feature -- Constants

    	key_0: INTEGER_32 is 1

    	key_1: INTEGER_32 is 2

    	key_2: INTEGER_32 is 3

    	key_3: INTEGER_32 is 4

    	key_4: INTEGER_32 is 5

    	key_5: INTEGER_32 is 6

    	key_6: INTEGER_32 is 7

    	key_7: INTEGER_32 is 8

    	key_8: INTEGER_32 is 9

    	key_9: INTEGER_32 is 10

    	key_a: INTEGER_32 is 68

    	key_alt: INTEGER_32 is 96

    	key_b: INTEGER_32 is 69

    	key_back_space: INTEGER_32 is 40

    	key_backquote: INTEGER_32 is 56

    	key_backslash: INTEGER_32 is 54

    	key_c: INTEGER_32 is 70

    	key_caps_lock: INTEGER_32 is 45

    	key_close_bracket: INTEGER_32 is 52

    	key_comma: INTEGER_32 is 47

    	key_ctrl: INTEGER_32 is 95

    	key_d: INTEGER_32 is 71

    	key_dash: INTEGER_32 is 57

    	key_delete: INTEGER_32 is 67

    	key_down: INTEGER_32 is 59

    	key_e: INTEGER_32 is 72

    	key_end: INTEGER_32 is 65

    	key_enter: INTEGER_32 is 41

    	key_equal: INTEGER_32 is 48

    	key_escape: INTEGER_32 is 42

    	key_f: INTEGER_32 is 73

    	key_f1: INTEGER_32 is 27

    	key_f10: INTEGER_32 is 36

    	key_f11: INTEGER_32 is 37

    	key_f12: INTEGER_32 is 38

    	key_f2: INTEGER_32 is 28

    	key_f3: INTEGER_32 is 29

    	key_f4: INTEGER_32 is 30

    	key_f5: INTEGER_32 is 31

    	key_f6: INTEGER_32 is 32

    	key_f7: INTEGER_32 is 33

    	key_f8: INTEGER_32 is 34

    	key_f9: INTEGER_32 is 35

    	key_g: INTEGER_32 is 74

    	key_h: INTEGER_32 is 75

    	key_home: INTEGER_32 is 64

    	key_i: INTEGER_32 is 76

    	key_insert: INTEGER_32 is 66

    	key_j: INTEGER_32 is 77

    	key_k: INTEGER_32 is 78

    	key_l: INTEGER_32 is 79

    	key_left: INTEGER_32 is 60

    	key_left_meta: INTEGER_32 is 97

    	key_m: INTEGER_32 is 80

    	key_menu: INTEGER_32 is 99

    	key_n: INTEGER_32 is 81

    	key_num_lock: INTEGER_32 is 24

    	key_numpad_0: INTEGER_32 is 11

    	key_numpad_1: INTEGER_32 is 12

    	key_numpad_2: INTEGER_32 is 13

    	key_numpad_3: INTEGER_32 is 14

    	key_numpad_4: INTEGER_32 is 15

    	key_numpad_5: INTEGER_32 is 16

    	key_numpad_6: INTEGER_32 is 17

    	key_numpad_7: INTEGER_32 is 18

    	key_numpad_8: INTEGER_32 is 19

    	key_numpad_9: INTEGER_32 is 20

    	key_numpad_add: INTEGER_32 is 21

    	key_numpad_decimal: INTEGER_32 is 26

    	key_numpad_divide: INTEGER_32 is 22

    	key_numpad_multiply: INTEGER_32 is 23

    	key_numpad_subtract: INTEGER_32 is 25

    	key_o: INTEGER_32 is 82

    	key_open_bracket: INTEGER_32 is 51

    	key_p: INTEGER_32 is 83

    	key_page_down: INTEGER_32 is 63

    	key_page_up: INTEGER_32 is 62

    	key_pause: INTEGER_32 is 44

    	key_period: INTEGER_32 is 49

    	key_q: INTEGER_32 is 84

    	key_quote: INTEGER_32 is 55

    	key_r: INTEGER_32 is 85

    	key_right: INTEGER_32 is 61

    	key_right_meta: INTEGER_32 is 98

    	key_s: INTEGER_32 is 86

    	key_scroll_lock: INTEGER_32 is 46

    	key_semicolon: INTEGER_32 is 50

    	key_shift: INTEGER_32 is 94

    	key_slash: INTEGER_32 is 53

    	key_space: INTEGER_32 is 39

    	key_t: INTEGER_32 is 87

    	key_tab: INTEGER_32 is 43

    	key_u: INTEGER_32 is 88

    	key_up: INTEGER_32 is 58

    	key_v: INTEGER_32 is 89

    	key_w: INTEGER_32 is 90

    	key_x: INTEGER_32 is 91

    	key_y: INTEGER_32 is 92

    	key_z: INTEGER_32 is 93

    feature -- Contract support

    	valid_key_code (a_code: INTEGER_32): BOOLEAN
    			-- Is ``a_code'' a valid key code?

    feature -- Output

    	io: STD_FILES
    			-- Handle to standard file setup
    			-- (from ANY)

    	out: STRING_8
    			-- New string containing terse printable representation
    			-- of current object
    			-- Was declared in ANY as synonym of tagged_out.
    			-- (from ANY)

    	print (some: ANY)
    			-- Write terse external representation of `some'
    			-- on standard output.
    			-- (from ANY)

    	frozen tagged_out: STRING_8
    			-- New string containing terse printable representation
    			-- of current object
    			-- Was declared in ANY as synonym of out.
    			-- (from ANY)

    feature -- Platform

    	operating_environment: OPERATING_ENVIRONMENT
    			-- Objects available from the operating system
    			-- (from ANY)

    invariant
    		-- from ANY
    	reflexive_equality: standard_is_equal (Current)
    	reflexive_conformance: conforms_to (Current)

    indexing
    	copyright: "Copyright (c) 1984-2006, Eiffel Software and others"
    	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
    	source: "[
    		Eiffel Software
    		356 Storke Road, Goleta, CA 93117 USA
    		Telephone 805-685-1006, Fax 805-685-6869
    		Website http://www.eiffel.com
    		Customer support http://support.eiffel.com
    	]"

    end -- class EV_KEY_CONSTANTS