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note description: "Manager that control SD_DOCKER_SOURCE(s) and SD_HOT_ZONE(s)." legal: "See notice at end of class." status: "See notice at end of class." date: "$Date: 2021-06-25 04:16:34 -0800 (Fri, 25 Jun 2021) $" revision: "$Revision: 105580 $" class interface SD_DOCKER_MEDIATOR create make (a_caller: like caller; a_docking_manager: SD_DOCKING_MANAGER) -- Creation method require a_caller_not_void: a_caller /= Void ensure set: caller = a_caller set: docking_manager = a_docking_manager feature -- Access 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 generating_type: TYPE [detachable SD_DOCKER_MEDIATOR] -- 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 Shared_environment: EV_ENVIRONMENT -- Shared EV_ENVIRONMENT object. -- (from EV_SHARED_APPLICATION) 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 alias "≡≡≡" (other: SD_DOCKER_MEDIATOR): 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: SD_DOCKER_MEDIATOR): 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 alias "" (other: SD_DOCKER_MEDIATOR): 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: SD_DOCKER_MEDIATOR) -- 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: SD_DOCKER_MEDIATOR) -- 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: SD_DOCKER_MEDIATOR -- 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: SD_DOCKER_MEDIATOR) -- 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: SD_DOCKER_MEDIATOR -- 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: SD_DOCKER_MEDIATOR -- 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 SD_DOCKER_MEDIATOR -- 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 -- Hanlde pointer events cancel_tracing_pointer -- Cancel tracing pointer ensure not_tracing: not is_tracing end_tracing_pointer (a_screen_x, a_screen_y: INTEGER_32) -- Stop tracing mouse positions. ensure not_tracing: not is_tracing is_tracing_pointer: BOOLEAN -- If Current is_tracing pointer motion? on_pointer_motion (a_screen_x, a_screen_y: INTEGER_32) -- When user dragging something for docking, show hot zone which allow to dock. require is_tracing: is_tracing start_tracing_pointer (a_offset_x, a_offset_y: INTEGER_32) -- Begin to trace mouss positions ensure set: offset_x = a_offset_x and offset_y = a_offset_y 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 -- Query caller: SD_ZONE -- Zone which call this mediator caller_top_window: detachable EV_WINDOW -- Caller's top window. require not_void: caller /= Void cancel_actions: EV_NOTIFY_ACTION_SEQUENCE -- Handle user canel dragging event capture_enabled: like is_tracing -- If is_tracing pointer motion? content: SD_CONTENT -- Content which is dragged by user ensure not_void: Result /= Void docking_manager: SD_DOCKING_MANAGER -- Docking manager manage Current is_dockable: BOOLEAN -- If current dragging widget dockable? is_tracing: BOOLEAN -- Whether is is_tracing pointer events screen_x: INTEGER_32 -- Current pointer position screen_y: INTEGER_32 -- Current pointer position invariant internal_shared_not_void: internal_shared /= Void hot_zones_not_void: hot_zones /= Void cancel_actions_not_void: cancel_actions /= Void -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) note library: "SmartDocking: Library of reusable components for Eiffel." copyright: "Copyright (c) 1984-2021, 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 SD_DOCKER_MEDIATOR
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