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note description: "Eiffel Vision key. Represents a virtual key code. code can be any%Nof the constant values defined in EV_KEY_CONSTANTS." legal: "See notice at end of class." status: "See notice at end of class." date: "$Date: 2017-05-03 07:56:14 -0800 (Wed, 03 May 2017) $" revision: "$Revision: 100317 $" class interface EV_KEY create default_create -- Initialize with Key_enter. make_with_code (a_code: INTEGER_32) -- Initialize with a_code. require a_code_valid: valid_key_code (a_code) feature -- Access code: INTEGER_32 -- Code representing some key. generating_type: TYPE [detachable EV_KEY] -- Type of current object -- (type of which it is a direct instance) -- (from ANY) ensure -- from ANY generating_type_not_void: Result /= Void generator: STRING_8 -- Name of current object's generating class -- (base class of the type of which it is a direct instance) -- (from ANY) ensure -- from ANY generator_not_void: Result /= Void generator_not_empty: not Result.is_empty key_code_from_key_string (key_string: READABLE_STRING_GENERAL): INTEGER_32 -- Key code value from key_string -- (from EV_KEY_CONSTANTS) require -- from EV_KEY_CONSTANTS key_string_not_void: key_string /= Void Key_strings: ARRAY [STRING_32] -- String representations of all key codes. -- (from EV_KEY_CONSTANTS) feature -- Comparison frozen deep_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void -- or attached to isomorphic object structures? -- (from ANY) ensure -- from ANY instance_free: class shallow_implies_deep: standard_equal (a, b) implies Result both_or_none_void: (a = Void) implies (Result = (b = Void)) same_type: (Result and (a /= Void)) implies (b /= Void and then a.same_type (b)) symmetric: Result implies deep_equal (b, a) frozen equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached -- to objects considered equal? -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.is_equal (b)) frozen is_deep_equal (other: EV_KEY): BOOLEAN -- Are Current and other attached to isomorphic object structures? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY shallow_implies_deep: standard_is_equal (other) implies Result same_type: Result implies same_type (other) symmetric: Result implies other.is_deep_equal (Current) is_equal (other: EV_KEY): 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 ~ Current consistent: standard_is_equal (other) implies Result frozen standard_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b 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 instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.standard_is_equal (b)) frozen standard_is_equal (other: EV_KEY): 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 is_alpha: BOOLEAN -- Is code in ["a"-"z"]? is_arrow: BOOLEAN -- Is code an arrow key? is_function: BOOLEAN -- Is code a function key? is_number: BOOLEAN -- Is code in ["0"-"9"]? is_numpad: BOOLEAN -- Is code a key on the numpad? is_printable: BOOLEAN -- Is code a printable key? 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 -- Element change set_code (a_code: INTEGER_32) -- Assign a_code to code. require a_code_valid: valid_key_code (a_code) ensure code_assigned: code = a_code feature -- Duplication copy (other: EV_KEY) -- 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: Current ~ other frozen deep_copy (other: EV_KEY) -- 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: EV_KEY -- New object structure recursively duplicated from Current. -- (from ANY) ensure -- from ANY deep_twin_not_void: Result /= Void deep_equal: deep_equal (Current, Result) frozen standard_copy (other: EV_KEY) -- 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: EV_KEY -- 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: EV_KEY -- New object equal to Current -- twin calls copy; to change copying/twinning semantics, redefine copy. -- (from ANY) ensure -- from ANY twin_not_void: Result /= Void is_equal: Result ~ Current feature -- Basic operations frozen default: detachable EV_KEY -- 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) ensure -- from ANY instance_free: class default_rescue -- Process exception for routines with no Rescue clause. -- (Default: do nothing.) -- (from ANY) frozen do_nothing -- Execute a null action. -- (from ANY) ensure -- from ANY instance_free: class feature -- Constants Key_0: INTEGER_32 = 1 -- (from EV_KEY_CONSTANTS) Key_1: INTEGER_32 = 2 -- (from EV_KEY_CONSTANTS) Key_2: INTEGER_32 = 3 -- (from EV_KEY_CONSTANTS) Key_3: INTEGER_32 = 4 -- (from EV_KEY_CONSTANTS) Key_4: INTEGER_32 = 5 -- (from EV_KEY_CONSTANTS) Key_5: INTEGER_32 = 6 -- (from EV_KEY_CONSTANTS) Key_6: INTEGER_32 = 7 -- (from EV_KEY_CONSTANTS) Key_7: INTEGER_32 = 8 -- (from EV_KEY_CONSTANTS) Key_8: INTEGER_32 = 9 -- (from EV_KEY_CONSTANTS) Key_9: INTEGER_32 = 10 -- (from EV_KEY_CONSTANTS) Key_a: INTEGER_32 = 68 -- (from EV_KEY_CONSTANTS) Key_alt: INTEGER_32 = 96 -- (from EV_KEY_CONSTANTS) Key_b: INTEGER_32 = 69 -- (from EV_KEY_CONSTANTS) Key_back_space: INTEGER_32 = 40 -- (from EV_KEY_CONSTANTS) Key_backquote: INTEGER_32 = 56 -- (from EV_KEY_CONSTANTS) Key_backslash: INTEGER_32 = 54 -- (from EV_KEY_CONSTANTS) Key_c: INTEGER_32 = 70 -- (from EV_KEY_CONSTANTS) Key_caps_lock: INTEGER_32 = 45 -- (from EV_KEY_CONSTANTS) Key_close_bracket: INTEGER_32 = 52 -- (from EV_KEY_CONSTANTS) Key_comma: INTEGER_32 = 47 -- (from EV_KEY_CONSTANTS) Key_ctrl: INTEGER_32 = 95 -- (from EV_KEY_CONSTANTS) Key_d: INTEGER_32 = 71 -- (from EV_KEY_CONSTANTS) Key_dash: INTEGER_32 = 57 -- (from EV_KEY_CONSTANTS) Key_delete: INTEGER_32 = 67 -- (from EV_KEY_CONSTANTS) Key_down: INTEGER_32 = 59 -- (from EV_KEY_CONSTANTS) Key_e: INTEGER_32 = 72 -- (from EV_KEY_CONSTANTS) Key_end: INTEGER_32 = 65 -- (from EV_KEY_CONSTANTS) Key_enter: INTEGER_32 = 41 -- (from EV_KEY_CONSTANTS) Key_equal: INTEGER_32 = 48 -- (from EV_KEY_CONSTANTS) Key_escape: INTEGER_32 = 42 -- (from EV_KEY_CONSTANTS) Key_f: INTEGER_32 = 73 -- (from EV_KEY_CONSTANTS) Key_f1: INTEGER_32 = 27 -- (from EV_KEY_CONSTANTS) Key_f10: INTEGER_32 = 36 -- (from EV_KEY_CONSTANTS) Key_f11: INTEGER_32 = 37 -- (from EV_KEY_CONSTANTS) Key_f12: INTEGER_32 = 38 -- (from EV_KEY_CONSTANTS) Key_f2: INTEGER_32 = 28 -- (from EV_KEY_CONSTANTS) Key_f3: INTEGER_32 = 29 -- (from EV_KEY_CONSTANTS) Key_f4: INTEGER_32 = 30 -- (from EV_KEY_CONSTANTS) Key_f5: INTEGER_32 = 31 -- (from EV_KEY_CONSTANTS) Key_f6: INTEGER_32 = 32 -- (from EV_KEY_CONSTANTS) Key_f7: INTEGER_32 = 33 -- (from EV_KEY_CONSTANTS) Key_f8: INTEGER_32 = 34 -- (from EV_KEY_CONSTANTS) Key_f9: INTEGER_32 = 35 -- (from EV_KEY_CONSTANTS) Key_g: INTEGER_32 = 74 -- (from EV_KEY_CONSTANTS) Key_h: INTEGER_32 = 75 -- (from EV_KEY_CONSTANTS) Key_home: INTEGER_32 = 64 -- (from EV_KEY_CONSTANTS) Key_i: INTEGER_32 = 76 -- (from EV_KEY_CONSTANTS) Key_insert: INTEGER_32 = 66 -- (from EV_KEY_CONSTANTS) Key_j: INTEGER_32 = 77 -- (from EV_KEY_CONSTANTS) Key_k: INTEGER_32 = 78 -- (from EV_KEY_CONSTANTS) Key_l: INTEGER_32 = 79 -- (from EV_KEY_CONSTANTS) Key_left: INTEGER_32 = 60 -- (from EV_KEY_CONSTANTS) Key_left_meta: INTEGER_32 = 97 -- (from EV_KEY_CONSTANTS) Key_m: INTEGER_32 = 80 -- (from EV_KEY_CONSTANTS) Key_menu: INTEGER_32 = 99 -- (from EV_KEY_CONSTANTS) Key_n: INTEGER_32 = 81 -- (from EV_KEY_CONSTANTS) Key_num_lock: INTEGER_32 = 24 -- (from EV_KEY_CONSTANTS) Key_numpad_0: INTEGER_32 = 11 -- (from EV_KEY_CONSTANTS) Key_numpad_1: INTEGER_32 = 12 -- (from EV_KEY_CONSTANTS) Key_numpad_2: INTEGER_32 = 13 -- (from EV_KEY_CONSTANTS) Key_numpad_3: INTEGER_32 = 14 -- (from EV_KEY_CONSTANTS) Key_numpad_4: INTEGER_32 = 15 -- (from EV_KEY_CONSTANTS) Key_numpad_5: INTEGER_32 = 16 -- (from EV_KEY_CONSTANTS) Key_numpad_6: INTEGER_32 = 17 -- (from EV_KEY_CONSTANTS) Key_numpad_7: INTEGER_32 = 18 -- (from EV_KEY_CONSTANTS) Key_numpad_8: INTEGER_32 = 19 -- (from EV_KEY_CONSTANTS) Key_numpad_9: INTEGER_32 = 20 -- (from EV_KEY_CONSTANTS) Key_numpad_add: INTEGER_32 = 21 -- (from EV_KEY_CONSTANTS) Key_numpad_decimal: INTEGER_32 = 26 -- (from EV_KEY_CONSTANTS) Key_numpad_divide: INTEGER_32 = 22 -- (from EV_KEY_CONSTANTS) Key_numpad_multiply: INTEGER_32 = 23 -- (from EV_KEY_CONSTANTS) Key_numpad_subtract: INTEGER_32 = 25 -- (from EV_KEY_CONSTANTS) Key_o: INTEGER_32 = 82 -- (from EV_KEY_CONSTANTS) Key_open_bracket: INTEGER_32 = 51 -- (from EV_KEY_CONSTANTS) Key_p: INTEGER_32 = 83 -- (from EV_KEY_CONSTANTS) Key_page_down: INTEGER_32 = 63 -- (from EV_KEY_CONSTANTS) Key_page_up: INTEGER_32 = 62 -- (from EV_KEY_CONSTANTS) Key_pause: INTEGER_32 = 44 -- (from EV_KEY_CONSTANTS) Key_period: INTEGER_32 = 49 -- (from EV_KEY_CONSTANTS) Key_q: INTEGER_32 = 84 -- (from EV_KEY_CONSTANTS) Key_quote: INTEGER_32 = 55 -- (from EV_KEY_CONSTANTS) Key_r: INTEGER_32 = 85 -- (from EV_KEY_CONSTANTS) Key_right: INTEGER_32 = 61 -- (from EV_KEY_CONSTANTS) Key_right_meta: INTEGER_32 = 98 -- (from EV_KEY_CONSTANTS) Key_s: INTEGER_32 = 86 -- (from EV_KEY_CONSTANTS) Key_scroll_lock: INTEGER_32 = 46 -- (from EV_KEY_CONSTANTS) Key_semicolon: INTEGER_32 = 50 -- (from EV_KEY_CONSTANTS) Key_shift: INTEGER_32 = 94 -- (from EV_KEY_CONSTANTS) Key_slash: INTEGER_32 = 53 -- (from EV_KEY_CONSTANTS) Key_space: INTEGER_32 = 39 -- (from EV_KEY_CONSTANTS) Key_t: INTEGER_32 = 87 -- (from EV_KEY_CONSTANTS) Key_tab: INTEGER_32 = 43 -- (from EV_KEY_CONSTANTS) Key_u: INTEGER_32 = 88 -- (from EV_KEY_CONSTANTS) Key_up: INTEGER_32 = 58 -- (from EV_KEY_CONSTANTS) Key_v: INTEGER_32 = 89 -- (from EV_KEY_CONSTANTS) Key_w: INTEGER_32 = 90 -- (from EV_KEY_CONSTANTS) Key_x: INTEGER_32 = 91 -- (from EV_KEY_CONSTANTS) Key_y: INTEGER_32 = 92 -- (from EV_KEY_CONSTANTS) Key_z: INTEGER_32 = 93 -- (from EV_KEY_CONSTANTS) feature -- Contract support valid_key_code (a_code: INTEGER_32): BOOLEAN -- Is a_code a valid key code? -- (from EV_KEY_CONSTANTS) feature -- Output Io: STD_FILES -- Handle to standard file setup -- (from ANY) ensure -- from ANY instance_free: class io_not_void: Result /= Void print (o: detachable ANY) -- Write terse external representation of o -- on standard output. -- (from ANY) ensure -- from ANY instance_free: class frozen tagged_out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY tagged_out_not_void: Result /= Void feature -- Platform Operating_environment: OPERATING_ENVIRONMENT -- Objects available from the operating system -- (from ANY) ensure -- from ANY instance_free: class operating_environment_not_void: Result /= Void feature -- Standard output text: STRING_32 -- Readable representation of code. invariant code_valid: valid_key_code (code) -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) note copyright: "Copyright (c) 1984-2012, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 5949 Hollister Ave., 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
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