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note description: "Action sequence for keyboard events." legal: "See notice at end of class." status: "See notice at end of class." keywords: "ev_key" date: "Generated!" revision: "Generated!" class interface EV_KEY_ACTION_SEQUENCE create default_create -- Begin in Normal_state. -- (from ACTION_SEQUENCE) require -- from ANY True create {EV_KEY_ACTION_SEQUENCE} make_filled (n: INTEGER_32) -- Allocate list with n items. -- (n may be zero for empty list.) -- This list will be full. -- (from ARRAYED_LIST) require -- from ARRAYED_LIST valid_number_of_items: n >= 0 has_default: ({PROCEDURE [EV_KEY]}).has_default ensure -- from ARRAYED_LIST correct_position: before filled: full feature -- Initialization arrayed_list_make (n: INTEGER_32) -- Allocate list with n items. -- (n may be zero for empty list.) -- (from ARRAYED_LIST) require -- from ARRAYED_LIST valid_number_of_items: n >= 0 ensure -- from ARRAYED_LIST correct_position: before is_empty: is_empty make_filled (n: INTEGER_32) -- Allocate list with n items. -- (n may be zero for empty list.) -- This list will be full. -- (from ARRAYED_LIST) require -- from ARRAYED_LIST valid_number_of_items: n >= 0 has_default: ({PROCEDURE [EV_KEY]}).has_default ensure -- from ARRAYED_LIST correct_position: before filled: full feature -- Access area: SPECIAL [PROCEDURE [EV_KEY]] -- Access to internal storage of ARRAYED_LIST -- (from ARRAYED_LIST) area_v2: SPECIAL [PROCEDURE [EV_KEY]] -- Special data zone. -- (from TO_SPECIAL) at alias "@" (i: INTEGER_32): like item assign put_i_th -- Item at i-th position -- Was declared in ARRAYED_LIST as synonym of i_th. -- (from ARRAYED_LIST) require -- from TABLE valid_key: valid_index (i) array_at (i: INTEGER_32): PROCEDURE [EV_KEY] assign array_put -- Entry at index i, if in index interval. -- Was declared in TO_SPECIAL as synonym of item. -- (from TO_SPECIAL) require -- from TO_SPECIAL valid_index: array_valid_index (i) cursor: ARRAYED_LIST_CURSOR -- Current cursor position -- (from ARRAYED_LIST) ensure -- from CURSOR_STRUCTURE cursor_not_void: Result /= Void ev_application: EV_APPLICATION -- Current application if created yet. -- (from EV_SHARED_APPLICATION) require -- from EV_SHARED_APPLICATION application_exists: attached Shared_environment.application same_processor_as_application: Shared_environment.is_application_processor ev_separate_application: separate EV_APPLICATION -- Current application if created yet. -- (from EV_SHARED_APPLICATION) require -- from EV_SHARED_APPLICATION application_exists: attached Shared_environment.application first: like item -- Item at first position -- (from ARRAYED_LIST) require -- from CHAIN not_empty: not is_empty generating_type: TYPE [detachable EV_KEY_ACTION_SEQUENCE] -- 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 has (v: like item): BOOLEAN -- Does current include v? -- (Reference or object equality, -- based on object_comparison.) -- (from ARRAYED_LIST) require -- from CONTAINER True ensure -- from CONTAINER not_found_in_empty: Result implies not is_empty i_th alias "[]" (i: INTEGER_32): like item assign put_i_th -- Item at i-th position -- Was declared in ARRAYED_LIST as synonym of at. -- (from ARRAYED_LIST) require -- from TABLE valid_key: valid_index (i) require -- from READABLE_INDEXABLE valid_index: valid_index (i) index: INTEGER_32 -- Index of item, if valid. -- (from ARRAYED_LIST) index_of (v: like item; i: INTEGER_32): INTEGER_32 -- Index of i-th occurrence of item identical to v. -- (Reference or object equality, -- based on object_comparison.) -- 0 if none. -- (from CHAIN) item: PROCEDURE [EV_KEY] -- Current item -- (from ARRAYED_LIST) require -- from TRAVERSABLE not_off: not off require -- from ACTIVE readable: readable require else -- from ARRAYED_LIST index_is_valid: valid_index (index) array_item (i: INTEGER_32): PROCEDURE [EV_KEY] assign array_put -- Entry at index i, if in index interval. -- Was declared in TO_SPECIAL as synonym of at. -- (from TO_SPECIAL) require -- from TO_SPECIAL valid_index: array_valid_index (i) item_for_iteration: PROCEDURE [EV_KEY] -- Item at current position -- (from LINEAR) require -- from LINEAR not_off: not off last: like first -- Item at last position -- (from ARRAYED_LIST) require -- from CHAIN not_empty: not is_empty name: detachable STRING_8 -- Textual description. -- (from ACTION_SEQUENCE) ensure -- from ACTION_SEQUENCE equal_to_name_internal: Result ~ name_internal new_cursor: ARRAYED_LIST_ITERATION_CURSOR [PROCEDURE [EV_KEY]] -- Fresh cursor associated with current structure -- (from ARRAYED_LIST) require -- from ITERABLE True ensure -- from ITERABLE result_attached: Result /= Void Shared_environment: EV_ENVIRONMENT -- Shared EV_ENVIRONMENT object. -- (from EV_SHARED_APPLICATION) to_array: ARRAY [PROCEDURE [EV_KEY]] -- Share content to be used as an ARRAY. -- Note that although the content is shared, it might -- not be shared when a resizing occur in either ARRAY or Current. -- (from ARRAYED_LIST) ensure -- from ARRAYED_LIST to_array_attached: Result /= Void array_lower_set: Result.lower = 1 array_upper_set: Result.upper = count shared_area: Result.area = area feature -- Measurement additional_space: INTEGER_32 -- Proposed number of additional items -- (from RESIZABLE) ensure -- from RESIZABLE at_least_one: Result >= 1 capacity: INTEGER_32 -- Number of items that may be stored -- (from ARRAYED_LIST) ensure -- from BOUNDED capacity_non_negative: Result >= 0 count: INTEGER_32 -- Number of items. -- (from ARRAYED_LIST) require -- from FINITE True require -- from READABLE_INDEXABLE True ensure -- from FINITE count_non_negative: Result >= 0 Growth_percentage: INTEGER_32 = 50 -- Percentage by which structure will grow automatically -- (from RESIZABLE) Lower: INTEGER_32 = 1 -- Minimum index. -- (from CHAIN) Minimal_increase: INTEGER_32 = 5 -- Minimal number of additional items -- (from RESIZABLE) occurrences (v: like item): INTEGER_32 -- Number of times v appears. -- (Reference or object equality, -- based on object_comparison.) -- (from CHAIN) upper: INTEGER_32 -- Maximum index. -- Use count instead. -- (from ARRAYED_LIST) ensure -- from ARRAYED_LIST definition: Result = count 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_ACTION_SEQUENCE): 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_ACTION_SEQUENCE): BOOLEAN -- Is array made of the same items as other? -- (from ARRAYED_LIST) require -- from ANY other_not_void: other /= Void ensure -- from ANY symmetric: Result implies other ~ Current consistent: standard_is_equal (other) implies Result ensure then -- from LIST indices_unchanged: index = old index and other.index = old other.index true_implies_same_size: Result implies count = other.count 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_ACTION_SEQUENCE): 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 after: BOOLEAN -- Is there no valid cursor position to the right of cursor? -- (from LIST) require -- from LINEAR True all_default: BOOLEAN -- Are all items set to default values? -- (from ARRAYED_LIST) require -- from ARRAYED_LIST has_default: ({PROCEDURE [EV_KEY]}).has_default before: BOOLEAN -- Is there no valid cursor position to the left of cursor? -- (from LIST) require -- from BILINEAR True Blocked_state: INTEGER_32 = 3 -- (from ACTION_SEQUENCE) call_is_underway: BOOLEAN -- Is call currently being executed? -- (from ACTION_SEQUENCE) ensure -- from ACTION_SEQUENCE Result = not is_aborted_stack.is_empty changeable_comparison_criterion: BOOLEAN -- May object_comparison be changed? -- (Answer: yes by default.) -- (from CONTAINER) 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 exhausted: BOOLEAN -- Has structure been completely explored? -- (from LINEAR) ensure -- from LINEAR exhausted_when_off: off implies Result extendible: BOOLEAN -- May new items be added? (Answer: yes.) -- (from DYNAMIC_CHAIN) require -- from COLLECTION True full: BOOLEAN -- Is structure full? -- (from BOUNDED) require -- from BOX True is_empty: BOOLEAN -- Is structure empty? -- (from FINITE) is_inserted (v: PROCEDURE [EV_KEY]): BOOLEAN -- Has v been inserted at the end by the most recent put or -- extend? -- (from ARRAYED_LIST) isfirst: BOOLEAN -- Is cursor at first position? -- (from CHAIN) ensure -- from CHAIN valid_position: Result implies not is_empty islast: BOOLEAN -- Is cursor at last position? -- (from CHAIN) ensure -- from CHAIN valid_position: Result implies not is_empty Normal_state: INTEGER_32 = 1 -- (from ACTION_SEQUENCE) object_comparison: BOOLEAN -- Must search operations use equal rather than = -- for comparing references? (Default: no, use =.) -- (from CONTAINER) off: BOOLEAN -- Is there no current item? -- (from CHAIN) require -- from TRAVERSABLE True Paused_state: INTEGER_32 = 2 -- (from ACTION_SEQUENCE) prunable: BOOLEAN -- May items be removed? (Answer: yes.) -- (from ARRAYED_LIST) require -- from COLLECTION True readable: BOOLEAN -- Is there a current item that may be read? -- (from SEQUENCE) require -- from ACTIVE True replaceable: BOOLEAN -- Can current item be replaced? -- (from ACTIVE) resizable: BOOLEAN -- May capacity be changed? (Answer: yes.) -- (from RESIZABLE) 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)) state: INTEGER_32 -- One of Normal_state Paused_state or Blocked_state -- (from ACTION_SEQUENCE) valid_cursor (p: CURSOR): BOOLEAN -- Can the cursor be moved to position p? -- (from ARRAYED_LIST) valid_cursor_index (i: INTEGER_32): BOOLEAN -- Is i correctly bounded for cursor movement? -- (from CHAIN) ensure -- from CHAIN valid_cursor_index_definition: Result = ((i >= 0) and (i <= count + 1)) valid_index (i: INTEGER_32): BOOLEAN -- Is i a valid index? -- (from ARRAYED_LIST) require -- from READABLE_INDEXABLE True require -- from TABLE True ensure -- from READABLE_INDEXABLE only_if_in_index_set: Result implies (Lower <= i and i <= count) ensure then -- from CHAIN valid_index_definition: Result = ((i >= 1) and (i <= count)) array_valid_index (i: INTEGER_32): BOOLEAN -- Is i within the bounds of Current? -- (from TO_SPECIAL) writable: BOOLEAN -- Is there a current item that may be modified? -- (from SEQUENCE) require -- from ACTIVE True feature -- Status setting abort -- Abort the current call. -- (The current item.call will be completed.) -- (from ACTION_SEQUENCE) require -- from ACTION_SEQUENCE call_is_underway: call_is_underway ensure -- from ACTION_SEQUENCE is_aborted_set: is_aborted_stack.item block -- Ignore subsequent calls. -- (from ACTION_SEQUENCE) ensure -- from ACTION_SEQUENCE blocked_state: state = Blocked_state compare_objects -- Ensure that future search operations will use equal -- rather than = for comparing references. -- (from CONTAINER) require -- from CONTAINER changeable_comparison_criterion: changeable_comparison_criterion ensure -- from CONTAINER object_comparison compare_references -- Ensure that future search operations will use = -- rather than equal for comparing references. -- (from CONTAINER) require -- from CONTAINER changeable_comparison_criterion: changeable_comparison_criterion ensure -- from CONTAINER reference_comparison: not object_comparison flush -- Discard any buffered calls. -- (from ACTION_SEQUENCE) ensure -- from ACTION_SEQUENCE call_buffer_empty: call_buffer.is_empty pause -- Buffer subsequent calls for later execution. -- If is_blocked calls will simply be ignored. -- (from ACTION_SEQUENCE) ensure -- from ACTION_SEQUENCE paused_state: state = Paused_state resume -- Used after block or pause to resume normal call -- execution.  Executes any buffered calls. -- (from ACTION_SEQUENCE) ensure -- from ACTION_SEQUENCE normal_state: state = Normal_state feature -- Cursor movement back -- Move cursor one position backward. -- (from ARRAYED_LIST) require -- from BILINEAR not_before: not before finish -- Move cursor to last position if any. -- (from ARRAYED_LIST) require -- from LINEAR True ensure then -- from CHAIN at_last: not is_empty implies islast ensure then -- from ARRAYED_LIST before_when_empty: is_empty implies before forth -- Move cursor one position forward. -- (from ARRAYED_LIST) require -- from LINEAR not_after: not after ensure then -- from LIST moved_forth: index = old index + 1 go_i_th (i: INTEGER_32) -- Move cursor to i-th position. -- (from ARRAYED_LIST) require -- from CHAIN valid_cursor_index: valid_cursor_index (i) ensure -- from CHAIN position_expected: index = i go_to (p: CURSOR) -- Move cursor to position p. -- (from ARRAYED_LIST) require -- from CURSOR_STRUCTURE cursor_position_valid: valid_cursor (p) move (i: INTEGER_32) -- Move cursor i positions. -- (from ARRAYED_LIST) ensure -- from CHAIN too_far_right: (old index + i > count) implies exhausted too_far_left: (old index + i < 1) implies exhausted expected_index: (not exhausted) implies (index = old index + i) search (v: like item) -- Move to first position (at or after current -- position) where item and v are equal. -- If structure does not include v ensure that -- exhausted will be true. -- (Reference or object equality, -- based on object_comparison.) -- (from ARRAYED_LIST) start -- Move cursor to first position if any. -- (from ARRAYED_LIST) require -- from TRAVERSABLE True ensure then -- from CHAIN at_first: not is_empty implies isfirst ensure then -- from ARRAYED_LIST after_when_empty: is_empty implies after feature -- Element change fill (other: CONTAINER [PROCEDURE [EV_KEY]]) -- Fill with as many items of other as possible. -- The representations of other and current structure -- need not be the same. -- (from CHAIN) require -- from COLLECTION other_not_void: other /= Void extendible: extendible force (v: like item) -- Add v to end. -- Do not move cursor. -- Was declared in ARRAYED_LIST as synonym of extend. -- (from ARRAYED_LIST) require -- from SEQUENCE extendible: extendible ensure then -- from SEQUENCE new_count: count = old count + 1 item_inserted: has (v) array_put (v: PROCEDURE [EV_KEY]; i: INTEGER_32) -- Replace i-th entry, if in index interval, by v. -- (from TO_SPECIAL) require -- from TO_SPECIAL valid_index: array_valid_index (i) ensure -- from TO_SPECIAL inserted: array_item (i) = v put (v: like item) -- Replace current item by v. -- (Synonym for replace) -- (from CHAIN) require -- from CHAIN writeable: writable replaceable: replaceable ensure -- from CHAIN same_count: count = old count is_inserted: is_inserted (v) sequence_put (v: like item) -- Add v to end. -- (from SEQUENCE) require -- from COLLECTION extendible: extendible ensure -- from COLLECTION item_inserted: is_inserted (v) ensure then -- from SEQUENCE new_count: count = old count + 1 feature -- Removal prune (v: like item) -- Remove first occurrence of v, if any, -- after cursor position. -- Move cursor to right neighbor. -- (or after if no right neighbor or v does not occur) -- (from ACTION_SEQUENCE) require -- from COLLECTION prunable: prunable prune_when_called (an_action: like item) -- Remove an_action after the next time it is called. -- (from ACTION_SEQUENCE) require -- from ACTION_SEQUENCE has (an_action) remove_left -- Remove item to the left of cursor position. -- Do not move cursor. -- (from ARRAYED_LIST) require -- from DYNAMIC_CHAIN left_exists: index > 1 ensure -- from DYNAMIC_CHAIN new_count: count = old count - 1 new_index: index = old index - 1 wipe_out -- Remove all items. -- (from INTERACTIVE_LIST) ensure then -- from DYNAMIC_LIST is_before: before feature -- Resizing automatic_grow -- Change the capacity to accommodate at least -- Growth_percentage more items. -- (from RESIZABLE) require -- from RESIZABLE resizable: resizable ensure -- from RESIZABLE increased_capacity: capacity >= old capacity + old additional_space grow (i: INTEGER_32) -- Change the capacity to at least i. -- (from ARRAYED_LIST) require -- from RESIZABLE resizable: resizable ensure -- from RESIZABLE new_capacity: capacity >= i resize (new_capacity: INTEGER_32) -- Resize list so that it can contain -- at least n items. Do not lose any item. -- (from ARRAYED_LIST) require -- from ARRAYED_LIST resizable: resizable new_capacity_large_enough: new_capacity >= capacity ensure -- from ARRAYED_LIST capacity_set: capacity >= new_capacity trim -- Decrease capacity to the minimum value. -- Apply to reduce allocated storage. -- (from ARRAYED_LIST) require -- from RESIZABLE True ensure -- from RESIZABLE same_count: count = old count minimal_capacity: capacity = count ensure then -- from ARRAYED_LIST same_items: to_array.same_items (old to_array) feature -- Transformation swap (i: INTEGER_32) -- Exchange item at i-th position with item -- at cursor position. -- (from ARRAYED_LIST) require -- from CHAIN not_off: not off valid_index: valid_index (i) ensure -- from CHAIN swapped_to_item: item = old i_th (i) swapped_from_item: i_th (i) = old item feature -- Conversion linear_representation: LINEAR [PROCEDURE [EV_KEY]] -- Representation as a linear structure -- (from LINEAR) require -- from CONTAINER True feature -- Duplication copy (other: EV_KEY_ACTION_SEQUENCE) -- Reinitialize by copying all the items of other. -- (This is also used by clone.) -- (from ARRAYED_LIST) require -- from ANY other_not_void: other /= Void type_identity: same_type (other) ensure -- from ANY is_equal: Current ~ other ensure then -- from ARRAYED_LIST equal_areas: area_v2 ~ other.area_v2 frozen deep_copy (other: EV_KEY_ACTION_SEQUENCE) -- 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_ACTION_SEQUENCE -- New object structure recursively duplicated from Current. -- (from ANY) ensure -- from ANY deep_twin_not_void: Result /= Void deep_equal: deep_equal (Current, Result) duplicate (n: INTEGER_32): EV_KEY_ACTION_SEQUENCE -- Copy of sub-list beginning at current position -- and having min (n, count - index + 1) items. -- (from ARRAYED_LIST) require -- from CHAIN not_off_unless_after: off implies after valid_subchain: n >= 0 frozen standard_copy (other: EV_KEY_ACTION_SEQUENCE) -- 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_ACTION_SEQUENCE -- 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_ACTION_SEQUENCE -- 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 -- Miscellaneous on_item_added_at (an_item: like item; item_index: INTEGER_32) -- an_item has just been added at index item_index. -- (from ACTION_SEQUENCE) require -- from INTERACTIVE_LIST item_index_valid: (1 <= item_index) and (item_index <= count) on_item_removed_at (an_item: like item; item_index: INTEGER_32) -- an_item has just been removed from index item_index. -- (from ACTION_SEQUENCE) require -- from INTERACTIVE_LIST item_index_valid: (1 <= item_index) and (item_index <= count + 1) feature -- Basic operations call (event_data: detachable TUPLE [key: EV_KEY]) -- Call each procedure in order unless is_blocked. -- If is_paused delay execution until resume. -- Stop at current point in list on abort. -- (from EV_LITE_ACTION_SEQUENCE) ensure -- from ACTION_SEQUENCE is_aborted_stack_unchanged: (old is_aborted_stack) ~ is_aborted_stack frozen default: detachable EV_KEY_ACTION_SEQUENCE -- 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 extend_kamikaze (an_item: like item) -- Extend an_item and remove it again after it is called. -- (from ACTION_SEQUENCE) feature -- Correction Mismatch_information: MISMATCH_INFORMATION -- Original attribute values of mismatched object -- (from MISMATCH_CORRECTOR) feature -- Element Change append (s: SEQUENCE [like item]) -- Append a copy of s. -- (from INTERACTIVE_LIST) require -- from SEQUENCE argument_not_void: s /= Void ensure -- from SEQUENCE new_count: count >= old count extend (v: like item) -- Add v to end. -- Do not move cursor. -- (from INTERACTIVE_LIST) require -- from COLLECTION extendible: extendible ensure -- from COLLECTION item_inserted: is_inserted (v) merge_left (other: EV_KEY_ACTION_SEQUENCE) -- Merge other into current structure after cursor -- position. Do not move cursor. Empty other -- (from INTERACTIVE_LIST) require -- from DYNAMIC_CHAIN extendible: extendible not_before: not before other_exists: other /= Void not_current: other /= Current ensure -- from DYNAMIC_CHAIN new_count: count = old count + old other.count new_index: index = old index + old other.count other_is_empty: other.is_empty merge_right (other: EV_KEY_ACTION_SEQUENCE) -- Merge other into current structure before cursor -- position. Do not move cursor. Empty other -- (from INTERACTIVE_LIST) require -- from DYNAMIC_CHAIN extendible: extendible not_after: not after other_exists: other /= Void not_current: other /= Current ensure -- from DYNAMIC_CHAIN new_count: count = old count + old other.count same_index: index = old index other_is_empty: other.is_empty prune_all (v: like item) -- Remove all occurrences of v. -- (Reference or object equality, -- based on object_comparison.) -- (from INTERACTIVE_LIST) require -- from COLLECTION prunable: prunable ensure -- from COLLECTION no_more_occurrences: not has (v) ensure then -- from DYNAMIC_CHAIN is_exhausted: exhausted ensure then -- from ARRAYED_LIST is_after: after ensure then -- from INTERACTIVE_LIST is_after: after put_front (v: like item) -- Add v to beginning. -- Do not move cursor. -- (from INTERACTIVE_LIST) require -- from DYNAMIC_CHAIN extendible: extendible ensure -- from DYNAMIC_CHAIN new_count: count = old count + 1 item_inserted: first = v put_i_th (v: like i_th; i: INTEGER_32) -- Replace i-th entry, if in index interval, by v. -- (from INTERACTIVE_LIST) require -- from TABLE valid_key: valid_index (i) require -- from TABLE valid_key: valid_index (i) ensure -- from TABLE inserted: i_th (i) = v put_left (v: like item) -- Add v to the left of cursor position. -- Do not move cursor. -- (from INTERACTIVE_LIST) require -- from DYNAMIC_CHAIN extendible: extendible not_before: not before ensure -- from DYNAMIC_CHAIN new_count: count = old count + 1 new_index: index = old index + 1 put_right (v: like item) -- Add v to the right of cursor position. -- Do not move cursor. -- (from INTERACTIVE_LIST) require -- from DYNAMIC_CHAIN extendible: extendible not_after: not after ensure -- from DYNAMIC_CHAIN new_count: count = old count + 1 same_index: index = old index remove -- Remove current item. -- Move cursor to right neighbor -- (or after if no right neighbor). -- (from INTERACTIVE_LIST) require -- from ACTIVE prunable: prunable writable: writable ensure then -- from DYNAMIC_LIST after_when_empty: is_empty implies after ensure then -- from ARRAYED_LIST index: index = old index remove_right -- Remove item to the right of cursor position. -- Do not move cursor. -- (from INTERACTIVE_LIST) require -- from DYNAMIC_CHAIN right_exists: index < count ensure -- from DYNAMIC_CHAIN new_count: count = old count - 1 same_index: index = old index replace (v: like item) -- Replace current item by v. -- (from INTERACTIVE_LIST) require -- from ACTIVE writable: writable replaceable: replaceable ensure -- from ACTIVE item_replaced: item = v update_for_added (start_index: INTEGER_32) -- Call added_item for all items from index start_index to count -- (from INTERACTIVE_LIST) feature -- Element status has_kamikaze_action (an_action: like item): BOOLEAN -- Return True is an_action is found and will be pruned when called. -- (from ACTION_SEQUENCE) require -- from ACTION_SEQUENCE has (an_action) feature -- Event handling empty_actions: ARRAYED_LIST [PROCEDURE] -- Actions to be performed on transition from not is_empty to is_empty. -- (from ACTION_SEQUENCE) not_empty_actions: ARRAYED_LIST [PROCEDURE] -- Actions to be performed on transition from is_empty to not is_empty. -- (from ACTION_SEQUENCE) feature -- Iteration do_all (action: PROCEDURE [PROCEDURE [EV_KEY]]) -- Apply action to every item, from first to last. -- Semantics not guaranteed if action changes the structure; -- in such a case, apply iterator to clone of structure instead. -- (from ARRAYED_LIST) require -- from TRAVERSABLE action_exists: action /= Void do_all_with_index (action: PROCEDURE [PROCEDURE [EV_KEY], INTEGER_32]) -- Apply action to every item, from first to last. -- action receives item and its index. -- Semantics not guaranteed if action changes the structure; -- in such a case, apply iterator to clone of structure instead. -- (from ARRAYED_LIST) require -- from ARRAYED_LIST action_not_void: action /= Void do_if (action: PROCEDURE [PROCEDURE [EV_KEY]]; test: FUNCTION [PROCEDURE [EV_KEY], BOOLEAN]) -- Apply action to every item that satisfies test, from first to last. -- Semantics not guaranteed if action or test changes the structure; -- in such a case, apply iterator to clone of structure instead. -- (from ARRAYED_LIST) require -- from TRAVERSABLE action_exists: action /= Void test_exists: test /= Void do_if_with_index (action: PROCEDURE [PROCEDURE [EV_KEY], INTEGER_32]; test: FUNCTION [PROCEDURE [EV_KEY], INTEGER_32, BOOLEAN]) -- Apply action to every item that satisfies test, from first to last. -- action and test receive the item and its index. -- Semantics not guaranteed if action or test changes the structure; -- in such a case, apply iterator to clone of structure instead. -- (from ARRAYED_LIST) require -- from ARRAYED_LIST action_not_void: action /= Void test_not_void: test /= Void for_all (test: FUNCTION [PROCEDURE [EV_KEY], BOOLEAN]): BOOLEAN -- Is test true for all items? -- (from ARRAYED_LIST) require -- from TRAVERSABLE test_exists: test /= Void ensure then -- from LINEAR empty: is_empty implies Result there_exists (test: FUNCTION [PROCEDURE [EV_KEY], BOOLEAN]): BOOLEAN -- Is test true for at least one item? -- (from ARRAYED_LIST) require -- from TRAVERSABLE test_exists: test /= Void feature -- Output Io: STD_FILES -- Handle to standard file setup -- (from ANY) ensure -- from ANY instance_free: class io_not_void: Result /= Void out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY out_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 -- Retrieval correct_mismatch -- Attempt to correct object mismatch using Mismatch_information. -- (from ARRAYED_LIST) invariant -- from ACTION_SEQUENCE is_aborted_stack_not_void: is_aborted_stack /= Void call_buffer_not_void: call_buffer /= Void valid_state: state = Normal_state or state = Paused_state or state = Blocked_state call_buffer_consistent: state = Normal_state implies call_buffer.is_empty not_empty_actions_not_void: not_empty_actions /= Void empty_actions_not_void: empty_actions /= Void -- from ARRAYED_LIST prunable: prunable starts_from_one: Lower = 1 -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) -- from RESIZABLE increase_by_at_least_one: Minimal_increase >= 1 -- from BOUNDED valid_count: count <= capacity full_definition: full = (count = capacity) -- from FINITE empty_definition: is_empty = (count = 0) -- from LIST before_definition: before = (index = 0) after_definition: after = (index = count + 1) -- from CHAIN non_negative_index: index >= 0 index_small_enough: index <= count + 1 off_definition: off = ((index = 0) or (index = count + 1)) isfirst_definition: isfirst = ((not is_empty) and (index = 1)) islast_definition: islast = ((not is_empty) and (index = count)) item_corresponds_to_index: (not off) implies (item = i_th (index)) -- from ACTIVE writable_constraint: writable implies readable empty_constraint: is_empty implies (not readable) and (not writable) -- from READABLE_INDEXABLE consistent_boundaries: Lower <= count or else Lower = count + 1 -- from BILINEAR not_both: not (after and before) before_constraint: before implies off -- from LINEAR after_constraint: after implies off -- from TRAVERSABLE empty_constraint: is_empty implies off note copyright: "Copyright (c) 1984-2014, 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_ACTION_SEQUENCE
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