    indexing
    	description: "EiffelVision tool-bar radio button, mswindows implementation."
    	legal: "See notice at end of class."
    	status: "See notice at end of class."
    	date: "$Date: 2006-01-22 18:25:44 -0800 (Sun, 22 Jan 2006) $"
    	revision: "$Revision: 56675 $"

    class interface
    	EV_TOOL_BAR_RADIO_BUTTON_IMP

    create
    	make (an_interface: like interface)
    			-- Create `Current' with interface `an_interface'.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		require -- from EV_ANY_I
    			an_interface_not_void: an_interface /= Void
    		ensure -- from EV_ANY_I
    			interface_assigned: interface = an_interface
    			base_make_called: base_make_called

    feature -- Initialization

    	parent_imp: EV_TOOL_BAR_IMP
    			-- The parent of `Current'.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)

    	tooltip: STRING_32
    			-- Text of tooltip assigned to `Current'.
    			-- (from EV_TOOLTIPABLE_IMP)
    		require -- from  EV_TOOLTIPABLE_I
    			True

    feature -- Access

    	accept_cursor: EV_POINTER_STYLE
    			-- Accept cursor set by user.
    			-- To be displayed when the screen pointer is over a target that accepts
    			-- pebble during pick and drop.
    			-- (from EV_PICK_AND_DROPABLE_I)

    	awaiting_movement: BOOLEAN
    			-- Are we currently awaiting the movement threshold to
    			-- be reached for as drag and drop or dockable move?
    			-- (from EV_SHARED_TRANSPORT_IMP)

    	capture_enabled: BOOLEAN
    			-- Is the mouse currently captured?
    			-- See constants Capture_xxxx at the end of the class.
    			-- (from EV_PICK_AND_DROPABLE_IMP)

    	check_drag_and_drop_release (a_x, a_y: INTEGER_32)
    			-- End transport if in drag and drop.
    			-- (from EV_PICK_AND_DROPABLE_ITEM_IMP)

    	deny_cursor: EV_POINTER_STYLE
    			-- Deny cursor set by user.
    			-- To be displayed when the screen pointer is not over a valid target.
    			-- (from EV_PICK_AND_DROPABLE_I)

    	drag_and_drop_starting_movement: INTEGER_32 is 3
    			-- Pointer movement in pixels required to start a drag and drop.
    			-- (from EV_SHARED_TRANSPORT_IMP)

    	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)

    	gray_pixmap: EV_PIXMAP
    			-- Pixmap of `Current'.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		require -- from  EV_TOOL_BAR_BUTTON_I
    			True

    	has_heavy_capture: BOOLEAN
    			-- Does parent have a heavy capture?
    			-- (from EV_PICK_AND_DROPABLE_ITEM_IMP)

    	id: INTEGER_32
    			-- Unique identifier within system.
    			-- (from EV_ID_IMP)

    	ilc_color: INTEGER_32 is 0
    			-- Use the default behavior if none of the other
    			-- ILC_COLOR* flags is specified. Typically, the
    			-- Default is Ilc_color4, but for older
    			-- display drivers, the default is Ilc_colorddb.
    			--
    			-- Declared in Windows as ILC_COLOR
    			-- (from WEL_ILC_CONSTANTS)

    	ilc_color16: INTEGER_32 is 16
    			-- Use a 16-bit (32/64k-color) DIB section.
    			--
    			-- Declared in Windows as ILC_COLOR16
    			-- (from WEL_ILC_CONSTANTS)

    	ilc_color24: INTEGER_32 is 24
    			-- Use a 24-bit DIB section.
    			--
    			-- Declared in Windows as ILC_COLOR24
    			-- (from WEL_ILC_CONSTANTS)

    	ilc_color32: INTEGER_32 is 32
    			-- Use a 32-bit DIB section.
    			--
    			-- Declared in Windows as ILC_COLOR32
    			-- (from WEL_ILC_CONSTANTS)

    	ilc_color4: INTEGER_32 is 4
    			-- Use a 4-bit (16-color) device-independent bitmap (DIB)
    			-- section as the bitmap for the image list.
    			--
    			-- Declared in Windows as ILC_COLOR4
    			-- (from WEL_ILC_CONSTANTS)

    	ilc_color8: INTEGER_32 is 8
    			-- Use an 8-bit DIB section. The colors used for the color
    			-- table are the same colors as the halftone palette.
    			--
    			-- Declared in Windows as ILC_COLOR8
    			-- (from WEL_ILC_CONSTANTS)

    	ilc_colorddb: INTEGER_32 is 254
    			-- Use a device-dependent bitmap.
    			--
    			-- Declared in Windows as ILC_COLORDDB
    			-- (from WEL_ILC_CONSTANTS)

    	ilc_mask: INTEGER_32 is 1
    			-- Use a mask. The image list contains two
    			-- bitmaps, one of which is a monochrome bitmap
    			-- used as a mask. If this value is not included,
    			-- the image list contains only one bitmap.
    			--
    			-- Declared in Windows as ILC_MASK
    			-- (from WEL_ILC_CONSTANTS)

    	image_index: INTEGER_32
    			-- Index of the pixmaps in the imagelists.
    			-- (from EV_TOOL_BAR_ITEM_IMP)

    	index: INTEGER_32
    			-- Index of the current item.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)

    	is_dock_executing: BOOLEAN
    			-- Is `Current' in the process of a dockable transport?
    			-- (from EV_DOCKABLE_SOURCE_I)

    	is_dockable: BOOLEAN
    			-- Is `Current' dockable?
    			-- (from EV_DOCKABLE_SOURCE_I)

    	is_external_docking_enabled: BOOLEAN
    			-- Is `Current' able to be docked into an EV_DOCKABLE_DIALOG
    			-- When there is no valid EV_DRAGABLE_TARGET upon completion
    			-- of the transport?
    			-- (from EV_DOCKABLE_SOURCE_I)

    	is_external_docking_relative: BOOLEAN
    			-- Will dockable dialog displayed when `Current' is docked externally
    			-- be displayed relative to parent window of `Current'?
    			-- Otherwise displayed as a standard window.
    			-- (from EV_DOCKABLE_SOURCE_I)

    	not_external_docking_enabled: BOOLEAN
    			-- Attribute used for `is_externally_dockable'. We must implement
    			-- `is_externally_dockable' this way as we have no easy solution to
    			-- assign `True' to `is_externally_dockable'.
    			-- (from EV_DOCKABLE_SOURCE_I)

    	not_is_external_docking_relative: BOOLEAN
    			-- Will dockable dialog displayed when `Current' is docked externally
    			-- be displayed relative to parent window of `Current'?
    			-- Otherwise displayed as a standard window.
    			-- Internal reversed value of is_external_docking_relative as we cannot
    			-- easily initialize a BOOLE to True in this case.
    			-- (from EV_DOCKABLE_SOURCE_I)

    	original_parent_position: INTEGER_32
    			-- Original position in parent. Required
    			-- to restore widget later.
    			-- (from EV_DOCKABLE_SOURCE_I)

    	original_pressure: REAL_64
    			-- Hold the values passed to start transport so when a transport
    			-- actually starts, with real_start_transport,these can be passed
    			-- as arguments.
    			-- (from EV_SHARED_TRANSPORT_IMP)

    	original_x: INTEGER_32
    			-- (from EV_SHARED_TRANSPORT_IMP)

    	original_x_tilt: REAL_64
    			-- Hold the values passed to start transport so when a transport
    			-- actually starts, with real_start_transport,these can be passed
    			-- as arguments.
    			-- (from EV_SHARED_TRANSPORT_IMP)

    	original_y: INTEGER_32
    			-- (from EV_SHARED_TRANSPORT_IMP)

    	original_y_tilt: REAL_64
    			-- Hold the values passed to start transport so when a transport
    			-- actually starts, with real_start_transport,these can be passed
    			-- as arguments.
    			-- (from EV_SHARED_TRANSPORT_IMP)

    	parent: EV_ITEM_LIST [EV_ITEM]
    			-- Item list containing `Current'.
    			-- (from EV_ITEM_I)

    	pebble: ANY
    			-- Data to be transported by pick and drop mechanism.
    			-- (from EV_PICK_AND_DROPABLE_I)

    	pebble_function: FUNCTION [ANY, TUPLE, ANY]
    			-- Returns data to be transported by pick and drop mechanism.
    			-- (from EV_PICK_AND_DROPABLE_I)

    	pebble_positioning_enabled: BOOLEAN
    			-- If `True' then pick and drop start coordinates are
    			-- pebble_x_position, pebble_y_position.
    			-- If `False' then pick and drop start coordinates are
    			-- the pointer coordinates.
    			-- (from EV_PICK_AND_DROPABLE_I)

    	pebble_x_position: INTEGER_32
    			-- Initial x position for pick and drop relative to `Current'.
    			-- (from EV_PICK_AND_DROPABLE_I)

    	pebble_y_position: INTEGER_32
    			-- Initial y position for pick and drop relative to `Current'.
    			-- (from EV_PICK_AND_DROPABLE_I)

    	pixmap: EV_PIXMAP
    			-- Pixmap of `Current'.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		require -- from  EV_PIXMAPABLE_I
    			True

    	pixmap_imp: EV_PIXMAP_IMP_STATE
    			-- Implementation of pixmap in `Current'.
    			-- (from EV_PIXMAPABLE_IMP)

    	pnd_original_parent: EV_PICK_AND_DROPABLE_ITEM_HOLDER_IMP
    			-- Actual widget parent of `Current' when PND starts.
    			-- (from EV_PICK_AND_DROPABLE_ITEM_IMP)

    	pnd_press (a_x, a_y, a_button, a_screen_x, a_screen_y: INTEGER_32)
    			-- Process a pointer press that may alter the current state
    			-- of pick/drag and drop.
    			-- (from EV_PICK_AND_DROPABLE_ITEM_IMP)

    	real_source: EV_DOCKABLE_SOURCE
    			-- `Result' is EV_DOCKABLE_SOURCE which should be
    			-- dragged when docking begins on `Current'.
    			-- (from EV_DOCKABLE_SOURCE_I)

    	real_text: STRING_32
    			-- Internal text. Not to be returned directly. Use clone.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)

    	release_capture
    			-- Release user input.
    			-- Works only on current windows thread.
    			-- (from EV_PICK_AND_DROPABLE_ITEM_IMP)
    		require -- from  EV_PICK_AND_DROPABLE_IMP
    			True
    		require -- from  EV_DOCKABLE_SOURCE_IMP
    			True

    	release_heavy_capture
    			-- Release user input.
    			-- Works on all windows threads.
    			-- (from EV_PICK_AND_DROPABLE_ITEM_IMP)

    	set_capture
    			-- Grab user input.
    			-- Works only on current windows thread.
    			-- (from EV_PICK_AND_DROPABLE_ITEM_IMP)
    		require -- from  EV_PICK_AND_DROPABLE_IMP
    			True
    		require -- from  EV_DOCKABLE_SOURCE_IMP
    			True

    	set_heavy_capture
    			-- Grab user input.
    			-- Works on all windows threads.
    			-- (from EV_PICK_AND_DROPABLE_ITEM_IMP)

    	set_parent_imp (a_parent_imp: like parent_imp)
    			-- Make `a_parent_imp' the new parent of `Current'.
    			-- `a_parent_imp' can be Void then the parent is the screen.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		ensure -- from EV_ITEM_IMP
    			assigned: parent_imp = a_parent_imp

    	set_pnd_original_parent
    			-- Assign parent_imp to pnd_original_parent.
    			-- (from EV_PICK_AND_DROPABLE_ITEM_IMP)

    	set_pointer_style (c: EV_POINTER_STYLE)
    			-- Assign `c' to parent_imp pointer style.
    			-- (from EV_PICK_AND_DROPABLE_ITEM_IMP)
    		require -- from  EV_PICK_AND_DROPABLE_I
    			True
    		require -- from  EV_DOCKABLE_SOURCE_IMP
    			True

    	text: STRING_32
    			-- Text displayed in `Current'.
    			-- (from EV_INTERNALLY_PROCESSED_TEXTABLE_IMP)
    		require -- from  EV_TEXTABLE_I
    			True
    		require -- from  EV_TOOL_BAR_ITEM_IMP
    			True
    		ensure -- from EV_TEXTABLE_I
    			not_void: Result /= Void
    			cloned: Result /= text

    	text_length: INTEGER_32
    			-- Number of characters of real_text.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		ensure -- from EV_TEXTABLE_IMP
    			positive_length: Result >= 0

    	top_level_window_imp: EV_WINDOW_IMP
    			-- Window containing `Current' in parenting heirarchy.
    			-- (from EV_PICK_AND_DROPABLE_ITEM_IMP)

    	transport_executing: BOOLEAN
    			-- Is a pick and drop or drag and drop currently
    			-- being executed?
    			-- (from EV_PICK_AND_DROPABLE_IMP)

    	wel_text: STRING_32
    			-- Text of `Current'
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		ensure -- from EV_TEXTABLE_IMP
    			not_void: Result /= Void

    	widget_imp_at_pointer_position: EV_WIDGET_IMP
    			-- `Result' is implementation of widget at current
    			-- pointer position or Void if none.
    			-- (from EV_SHARED_TRANSPORT_IMP)
    		require -- from  EV_DOCKABLE_SOURCE_I
    			True

    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

    	closest_dockable_target: EV_DOCKABLE_TARGET
    			-- `Result' is first dockable target that is_dockable found by recursively
    			-- searching up through the parenting structure from the widget
    			-- currently underneath the pointer position.
    			-- `Result' will be `Void' if a dockable target is not found.
    			-- (from EV_DOCKABLE_SOURCE_I)
    		ensure -- from EV_DOCKABLE_SOURCE_I
    			result_is_dockable: Result /= Void implies Result.is_docking_enabled

    	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

    	disable_select
    			-- Deselect `Current'

    	enable_select
    			-- Select `Current'.
    		require -- from EV_SELECTABLE_I
    			is_selectable: is_selectable
    		require -- from  EV_RADIO_PEER_I
    			True
    		ensure -- from EV_SELECTABLE_I
    			selected: is_selected

    	foreground_window: WEL_WINDOW
    			-- Foreground window (window with focus)
    			-- (from WEL_WINDOWS_ROUTINES)

    	get_next_target (a_widget: EV_WIDGET): EV_DOCKABLE_TARGET
    			-- `Result' is next dockable target that is is_dockable found by
    			-- recursively seraching up the parenting structure from `current_target'.
    			-- `Result' will be `Void' if none.
    			-- (from EV_DOCKABLE_SOURCE_I)
    		require -- from EV_DOCKABLE_SOURCE_I
    			a_widget_not_void: a_widget /= Void
    		ensure -- from EV_DOCKABLE_SOURCE_I
    			result_is_dockable: Result /= Void implies Result.is_docking_enabled

    	has_gray_pixmap: BOOLEAN
    			-- Has Current a gray pixmap?
    			-- (from EV_TOOL_BAR_BUTTON_IMP)

    	has_pixmap: BOOLEAN
    			-- Has Current a pixmap?
    			-- (from EV_TOOL_BAR_BUTTON_IMP)

    	internal_non_sensitive: BOOLEAN
    			-- Is `Current' not sensitive to input as seen
    			-- from interface?
    			-- (from EV_SENSITIVE_I)

    	is_selectable: BOOLEAN
    			-- May the object be selected?
    			-- (from EV_SELECTABLE_I)

    	is_selected: BOOLEAN

    	is_sensitive: BOOLEAN
    			-- Is `Current' sensitive?
    			-- (from EV_TOOL_BAR_BUTTON_IMP)

    	is_transport_enabled: BOOLEAN
    			-- Is the transport mechanism enabled?
    			-- (from EV_PICK_AND_DROPABLE_I)

    	is_window (hwnd: POINTER): BOOLEAN
    			-- Does `hwnd' point to a valid Window?
    			-- (from WEL_WINDOWS_ROUTINES)

    	key_down (virtual_key: INTEGER_32): BOOLEAN
    			--Is 'virtual' key pressed
    			-- (from WEL_WINDOWS_ROUTINES)

    	key_locked (virtual_key: INTEGER_32): BOOLEAN
    			--Is 'virtual' key locked
    			-- (from WEL_WINDOWS_ROUTINES)

    	key_to_string (key_data: INTEGER_32): STRING_32
    			-- Give the string associated with the key given by
    			-- `virtual_key'.
    			-- (from WEL_WINDOWS_ROUTINES)

    	mode_is_drag_and_drop: BOOLEAN
    			-- Is the transport mechanism drag and drop?
    			-- (from EV_PICK_AND_DROPABLE_I)

    	mode_is_pick_and_drop: BOOLEAN
    			-- Is the transport mechanism pick and drop?
    			-- (from EV_PICK_AND_DROPABLE_I)

    	mode_is_target_menu: BOOLEAN
    			-- Is the transport mechanism target menu?
    			-- (from EV_PICK_AND_DROPABLE_I)

    	peers: LINKED_LIST [like interface]
    			-- List of all radio items in the group `Current' is in.
    			-- (from EV_RADIO_PEER_IMP)
    		require -- from  EV_RADIO_PEER_I
    			True
    		ensure -- from EV_RADIO_PEER_I
    			not_void: Result /= 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))

    	selected_peer: like interface
    			-- Radio item that is currently selected.
    			-- (from EV_RADIO_PEER_IMP)
    		require -- from  EV_RADIO_PEER_I
    			True
    		ensure -- from EV_RADIO_PEER_I
    			not_void: Result /= Void

    	system_directory: STRING_32
    			-- Path of the Windows system directory
    			-- (from WEL_WINDOWS_ROUTINES)
    		ensure -- from WEL_WINDOWS_ROUTINES
    			result_not_void: Result /= Void

    	tick_count: INTEGER_32
    			-- Number of milliseconds that have
    			-- elapsed since Windows was started.
    			-- (from WEL_WINDOWS_ROUTINES)
    		ensure -- from WEL_WINDOWS_ROUTINES
    			positive_result: Result >= 0

    	user_is_sensitive: BOOLEAN
    			-- Is the object sensitive to user input.
    			-- (from EV_SENSITIVE_I)

    	window_of_item (hwnd: POINTER): WEL_WINDOW
    			-- Retrieve Eiffel object associated with `hwnd' pointer.
    			-- (from WEL_WINDOWS_ROUTINES)
    		require -- from WEL_WINDOWS_ROUTINES
    			hwnd_not_null: hwnd /= default_pointer
    			is_window_pointer: is_window (hwnd)
    		ensure -- from WEL_WINDOWS_ROUTINES
    			is_wel_window: Result /= Void implies (create {INTERNAL}).type_conforms_to ((create {INTERNAL}).dynamic_type (Result), (create {INTERNAL}).dynamic_type_from_string ("WEL_WINDOW"))

    	windows_directory: STRING_32
    			-- Path of the Windows directory
    			-- (from WEL_WINDOWS_ROUTINES)
    		ensure -- from WEL_WINDOWS_ROUTINES
    			result_not_void: Result /= Void

    feature -- Status setting

    	check_dragable_release (a_x, a_y: INTEGER_32)
    			-- End transport if in drag and drop.
    			-- (from EV_DOCKABLE_SOURCE_IMP)

    	disable_dockable
    			-- Ensure `Current' is not dockable
    			-- (from EV_DOCKABLE_SOURCE_I)
    		ensure -- from EV_DOCKABLE_SOURCE_I
    			not_is_dockable: not is_dockable

    	disable_external_docking
    			-- Forbid `Current' to be docked into an EV_DOCKABLE_DIALOG
    			-- When there is no valid EV_DRAGABLE_TARGET upon completion
    			-- of the transport?
    			-- (from EV_DOCKABLE_SOURCE_I)
    		require -- from EV_DOCKABLE_SOURCE_I
    			is_dockable: is_dockable
    		ensure -- from EV_DOCKABLE_SOURCE_I
    			not_externally_dockable: not is_external_docking_enabled

    	disable_external_docking_relative
    			-- Assign `False' to is_external_docking_relative, ensuring that
    			-- a dockable dialog displayed when `Current' is docked externally
    			-- is displayed as a standard window.
    			-- (from EV_DOCKABLE_SOURCE_I)
    		require -- from EV_DOCKABLE_SOURCE_I
    			external_docking_enabled: is_external_docking_enabled
    		ensure -- from EV_DOCKABLE_SOURCE_I
    			external_docking_not_relative: not is_external_docking_relative

    	disable_pebble_positioning
    			-- Assign `False' to pebble_positioning_enabled.
    			-- (from EV_PICK_AND_DROPABLE_I)

    	disable_sensitive
    			-- Disable `Current'.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		require -- from  EV_SENSITIVE_I
    			True
    		require -- from  EV_TOOL_BAR_ITEM_IMP
    			True

    	disable_sensitive_internal
    			-- Disable `Current'.
    			-- This is a special version used internally by the code that updates
    			-- the pick and drop so that enabled_before is not updated. In
    			-- disable_sensitive which is called by a user, we must always updated the
    			-- state of enabled_before so that if it is called during a pick and drop,
    			-- this new state is respected at the end of the transport.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)

    	disable_transport
    			-- Deactivate pick/drag and drop mechanism.
    			-- (from EV_PICK_AND_DROPABLE_IMP)
    		require -- from  EV_PICK_AND_DROPABLE_I
    			True
    		ensure -- from EV_PICK_AND_DROPABLE_I
    			is_transport_disabled: not is_transport_enabled

    	dragable_motion (a_x, a_y, a_screen_x, a_screen_y: INTEGER_32)
    			-- If in drag/pick and drop then update.
    			-- (from EV_DOCKABLE_SOURCE_IMP)

    	dragable_press (a_x, a_y, a_button, a_screen_x, a_screen_y: INTEGER_32)
    			-- Process `a_button' to start/stop the drag/pick and
    			-- drop mechanism.
    			-- (from EV_DOCKABLE_SOURCE_IMP)

    	enable_dockable
    			-- Allow `Current' to be dockable
    			-- (from EV_DOCKABLE_SOURCE_I)
    		ensure -- from EV_DOCKABLE_SOURCE_I
    			is_dockable: is_dockable

    	enable_external_docking
    			-- Allow `Current' to be docked into an EV_DOCKABLE_DIALOG
    			-- When there is no valid EV_DRAGABLE_TARGET upon completion
    			-- of the transport?
    			-- (from EV_DOCKABLE_SOURCE_I)
    		require -- from EV_DOCKABLE_SOURCE_I
    			is_dockable: is_dockable
    		ensure -- from EV_DOCKABLE_SOURCE_I
    			is_externally_dockable: is_external_docking_enabled

    	enable_external_docking_relative
    			-- Assign `True' to is_external_docking_relative, ensuring that
    			-- a dockable dialog displayed when `Current' is docked externally
    			-- is displayed relative to the top level window.
    			-- (from EV_DOCKABLE_SOURCE_I)
    		require -- from EV_DOCKABLE_SOURCE_I
    			external_docking_enabled: is_external_docking_enabled
    		ensure -- from EV_DOCKABLE_SOURCE_I
    			external_docking_not_relative: is_external_docking_relative

    	enable_pebble_positioning
    			-- Assign `True' to pebble_positioning_enabled.
    			-- (from EV_PICK_AND_DROPABLE_I)

    	enable_sensitive
    			-- Enable `Current'.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		require -- from  EV_SENSITIVE_I
    			True
    		require -- from  EV_TOOL_BAR_ITEM_IMP
    			True

    	enable_sensitive_internal
    			-- Disable `Current'.
    			-- This is a special version used internally by the code that updates
    			-- the pick and drop so that enabled_before is not updated. In
    			-- enable_sensitive which is called by a user, we must always updated the
    			-- state of enabled_before so that if it is called during a pick and drop,
    			-- this new state is respected at the end of the transport.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)

    	enable_transport
    			-- Activate pick/drag and drop mechanism.
    			-- (from EV_PICK_AND_DROPABLE_IMP)
    		require -- from EV_PICK_AND_DROPABLE_I
    			pebble_not_void: pebble /= Void or pebble_function /= Void
    		ensure -- from EV_PICK_AND_DROPABLE_I
    			is_transport_enabled: interface.implementation.is_transport_enabled

    	escape_pnd
    			-- Escape the pick and drop.
    			-- (from EV_PICK_AND_DROPABLE_IMP)
    		ensure -- from EV_PICK_AND_DROPABLE_IMP
    			not_in_transport: not transport_executing

    	has_parent: BOOLEAN
    			-- Is `Current' parented?
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		require -- from  EV_SENSITIVE_I
    			True

    	parent_is_sensitive: BOOLEAN
    			-- Is parent of `Current' sensitive?
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		require -- from  EV_SENSITIVE_I
    			True

    	pnd_motion (a_x, a_y, a_screen_x, a_screen_y: INTEGER_32)
    			-- If in drag/pick and drop then update.
    			-- (from EV_PICK_AND_DROPABLE_IMP)

    	remove_pebble
    			-- Remove pebble.
    			-- (from EV_PICK_AND_DROPABLE_I)
    		ensure -- from EV_PICK_AND_DROPABLE_I
    			pebble_removed: pebble = Void and pebble_function = Void
    			is_transport_disabled: not is_transport_enabled

    	remove_real_source
    			-- Ensure real_source is `Void'.
    			-- (from EV_DOCKABLE_SOURCE_I)
    		require -- from EV_DOCKABLE_SOURCE_I
    			is_dockable: is_dockable
    		ensure -- from EV_DOCKABLE_SOURCE_I
    			real_source_void: real_source = Void

    	set_accept_cursor (a_cursor: like accept_cursor)
    			-- Set `a_cursor' to be displayed when the screen pointer is over a
    			-- target that accepts pebble during pick and drop.
    			-- (from EV_PICK_AND_DROPABLE_I)

    	set_deny_cursor (a_cursor: like deny_cursor)
    			-- Set `a_cursor' to be displayed when the screen pointer is over a
    			-- target that doesn't accept pebble during pick and drop.
    			-- (from EV_PICK_AND_DROPABLE_I)

    	set_drag_and_drop_mode
    			-- Set transport mechanism to drag and drop,
    			-- (from EV_PICK_AND_DROPABLE_I)
    		ensure -- from EV_PICK_AND_DROPABLE_I
    			mode_is_drag_and_drop: mode_is_drag_and_drop

    	set_pebble (a_pebble: like pebble)
    			-- Assign `a_pebble' to pebble.
    			-- (from EV_PICK_AND_DROPABLE_I)
    		require -- from EV_PICK_AND_DROPABLE_I
    			a_pebble_not_void: a_pebble /= Void
    		ensure -- from EV_PICK_AND_DROPABLE_I
    			pebble_assigned: interface.implementation.pebble = a_pebble
    			is_transport_enabled: interface.implementation.is_transport_enabled

    	set_pebble_function (a_function: FUNCTION [ANY, TUPLE, ANY])
    			-- Assign `a_function' to pebble_function.
    			-- (from EV_PICK_AND_DROPABLE_I)
    		require -- from EV_PICK_AND_DROPABLE_I
    			a_function_not_void: a_function /= Void
    		ensure -- from EV_PICK_AND_DROPABLE_I
    			pebble_function_assigned: interface.implementation.pebble_function = a_function
    			is_transport_enabled: interface.implementation.is_transport_enabled

    	set_pebble_position (a_x, a_y: INTEGER_32)
    			-- Set the initial position for pick and drop relative to `Current'.
    			-- (from EV_PICK_AND_DROPABLE_I)
    		ensure -- from EV_PICK_AND_DROPABLE_I
    			pick_x_assigned: pick_x = a_x
    			pick_y_assigned: pick_y = a_y

    	set_pick_and_drop_mode
    			-- Set transport mechanism to pick and drop,
    			-- (from EV_PICK_AND_DROPABLE_I)
    		ensure -- from EV_PICK_AND_DROPABLE_I
    			mode_is_pick_and_drop: mode_is_pick_and_drop

    	set_real_source (dockable_source: EV_DOCKABLE_SOURCE)
    			-- Set `dockable_source' to be the widget moved when a
    			-- drag begins on `Current'.
    			-- (from EV_DOCKABLE_SOURCE_I)
    		require -- from EV_DOCKABLE_SOURCE_I
    			is_dockable: is_dockable
    			dockable_source_not_void: dockable_source /= Void
    		ensure -- from EV_DOCKABLE_SOURCE_I
    			real_source_assigned: real_source = dockable_source

    	set_target_menu_mode
    			-- Set transport mechanism to target_menu.
    			-- (from EV_PICK_AND_DROPABLE_I)
    		ensure -- from EV_PICK_AND_DROPABLE_I
    			mode_is_target_menu: mode_is_target_menu

    	set_tooltip (a_tooltip: STRING_GENERAL)
    			-- Assign `a_tooltip' to internal_tooltip_string.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		require -- from EV_TOOLTIPABLE_I
    			a_tooltip_not_void: a_tooltip /= Void

    	user_disable_sensitive
    			-- Make object desensitive to user input.
    			-- (from EV_SENSITIVE_I)
    		ensure -- from EV_SENSITIVE_I
    			is_desensitive: not user_is_sensitive

    	user_enable_sensitive
    			-- Make object sensitive to user input.
    			-- (from EV_SENSITIVE_I)
    		ensure -- from EV_SENSITIVE_I
    			is_sensitive_if_parent_sensitive: (has_parent and then parent_is_sensitive) implies interface.implementation.is_sensitive
    			is_sensitive_if_orphaned: not has_parent implies interface.implementation.is_sensitive

    feature -- Element change

    	enabled_before: BOOLEAN
    			-- Was `Current' enabled before update_for_pick_and_drop modified
    			-- the current state.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)

    	pixmap_equal_to (a_pixmap: EV_PIXMAP): BOOLEAN
    			-- Is `a_pixmap' equal to pixmap?
    			-- (from EV_PIXMAPABLE_I)

    	remove_gray_pixmap
    			-- Remove pixmap from `Current'.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		require -- from  EV_TOOL_BAR_BUTTON_I
    			True

    	remove_pixmap
    			-- Remove pixmap from `Current'.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		require -- from  EV_PIXMAPABLE_I
    			True
    		ensure -- from EV_PIXMAPABLE_I
    			pixmap_removed: pixmap = Void

    	set_gray_pixmap (p: EV_PIXMAP)
    			-- Assign `p' to the displayed gray pixmap.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		require -- from EV_TOOL_BAR_BUTTON_I
    			gray_pixmap_not_void: p /= Void

    	set_pixmap (p: EV_PIXMAP)
    			-- Assign `p' to the displayed pixmap.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)
    		require -- from EV_PIXMAPABLE_I
    			pixmap_not_void: p /= Void

    	set_pixmap_in_parent
    			-- Add the pixmap to the parent by updating the
    			-- parent's image list.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)

    	set_text (a_text: STRING_GENERAL)
    			-- Assign `a_text' to text.
    			-- (from EV_INTERNALLY_PROCESSED_TEXTABLE_IMP)
    		require -- from EV_TEXTABLE_I
    			a_text_not_void: a_text /= Void
    			no_carriage_returns: not a_text.has_code (('%R').natural_32_code)
    		ensure -- from EV_TEXTABLE_I
    			text_cloned: text.is_equal (a_text) and then text /= a_text

    	update_for_pick_and_drop (starting: BOOLEAN)
    			-- Pick and drop status has changed so update appearance of
    			-- `Current' to reflect available targets.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)

    	wel_set_text (txt: STRING_GENERAL)
    			-- Make `txt' the new label of `Current'.
    			-- (from EV_TOOL_BAR_BUTTON_IMP)

    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

    	close_dockable_dialog (dockable_dialog: EV_DOCKABLE_DIALOG)
    			-- Close request received by `dockable_dialog' so
    			-- restore widget contained back to its original position
    			-- in its old parent if possible.
    			-- We must fire `dock_ended' actions.
    			-- (from EV_DOCKABLE_SOURCE_I)
    		ensure -- from EV_DOCKABLE_SOURCE_I
    			dockable_dialog_destroyed: dockable_dialog.is_destroyed

    	complete_dock
    			-- Complete a dock from source_being_docked.
    			-- (from EV_DOCKABLE_SOURCE_I)
    		require -- from EV_DOCKABLE_SOURCE_I
    			source_being_docked: source_being_docked /= Void
    		ensure -- from EV_DOCKABLE_SOURCE_I
    			not_dock_executing: not is_dock_executing
    			insert_separator_not_parented: insert_sep.parent = Void
    			insert_label_not_parented: insert_label.parent = Void

    	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)

    	hide_cursor
    			-- Hide the cursor.
    			-- (from WEL_WINDOWS_ROUTINES)

    	message_beep_asterisk
    			-- Play the system asterisk waveform sound.
    			-- (from WEL_WINDOWS_ROUTINES)

    	message_beep_exclamation
    			-- Play the system exclamation waveform sound.
    			-- (from WEL_WINDOWS_ROUTINES)

    	message_beep_hand
    			-- Play the system hand waveform sound.
    			-- (from WEL_WINDOWS_ROUTINES)

    	message_beep_ok
    			-- Play the system ok waveform sound.
    			-- (from WEL_WINDOWS_ROUTINES)

    	message_beep_question
    			-- Play the system question waveform sound.
    			-- (from WEL_WINDOWS_ROUTINES)

    	output_debug_string (s: STRING_GENERAL)
    			-- Send a string `s' to the system debugger.
    			-- (from WEL_WINDOWS_ROUTINES)
    		require -- from WEL_WINDOWS_ROUTINES
    			s_not_void: s /= Void

    	resource_string_id (an_id: INTEGER_32): STRING_32
    			-- String identified by `an_id' in the resource file.
    			-- (from WEL_WINDOWS_ROUTINES)
    		ensure -- from WEL_WINDOWS_ROUTINES
    			result_not_void: Result /= Void

    	set_cursor_position_absolute (x, y: INTEGER_32)
    			-- Set the cursor position to `x', `y'.
    			-- (from WEL_WINDOWS_ROUTINES)

    	show_cursor
    			-- Show the cursor.
    			-- (from WEL_WINDOWS_ROUTINES)

    feature -- Inapplicable

    	drag_cursor: EV_POINTER_STYLE
    			-- Cursor used when `Current' is being transported.
    			-- (from EV_DOCKABLE_SOURCE_I)

    feature -- Implementation

    	internal_disable_dockable
    			-- Enable or disable dockable.
    			-- This has no implementation on Windows, as we do not need it.
    			-- On Gtk, this is necessary, so that the necessary signal
    			-- connections may be performed.
    			-- Was declared in EV_DOCKABLE_SOURCE_IMP as synonym of internal_enable_dockable.
    			-- (from EV_DOCKABLE_SOURCE_IMP)
    		require -- from  EV_DOCKABLE_SOURCE_I
    			True

    	internal_enable_dockable
    			-- Enable or disable dockable.
    			-- This has no implementation on Windows, as we do not need it.
    			-- On Gtk, this is necessary, so that the necessary signal
    			-- connections may be performed.
    			-- Was declared in EV_DOCKABLE_SOURCE_IMP as synonym of internal_disable_dockable.
    			-- (from EV_DOCKABLE_SOURCE_IMP)
    		require -- from  EV_DOCKABLE_SOURCE_I
    			True

    	update_radio_states
    			-- Unselect all members of radio_group except `Current',
    			-- and assign True to is_selected.

    feature -- Access (ILD constants)

    	ild_normal: INTEGER_32 is 0
    			-- Draws the image using the background color for the image
    			-- list. If the background color is the CLR_NONE value, the
    			-- image is drawn transparently using the mask.
    			--
    			-- Declared in Windows as ILD_NORMAL
    			-- (from WEL_ILC_CONSTANTS)

    feature -- Access EV_DRAGABLE_SOURCE.

    	dockable_dialog_target: EV_DOCKABLE_DIALOG
    			-- A dockable dialog that will be created as
    			-- necessary. This is not a local, to avoid it
    			-- being garbage collected.
    			-- (from EV_SHARED_TRANSPORT_I)

    	global_drag_targets: ARRAYED_LIST [INTEGER_32]
    			-- Shortcut to EV_APPLICATION.pnd_targets.
    			-- (from EV_SHARED_TRANSPORT_I)

    	insert_label: EV_CELL
    			-- Label used to indicate where `Current' will be placed in target.
    			-- (from EV_SHARED_TRANSPORT_I)
    		ensure -- from EV_SHARED_TRANSPORT_I
    			result_not_void: Result /= Void

    	insert_label_imp: EV_CELL_I
    			-- Once access to implementation of Insert_label.
    			-- (from EV_SHARED_TRANSPORT_I)
    		ensure -- from EV_SHARED_TRANSPORT_I
    			Result /= Void

    	insert_sep: EV_TOOL_BAR_SEPARATOR
    			-- Once access to a separator used to indicate the insertion position
    			-- when moving tool bar items.
    			-- (from EV_SHARED_TRANSPORT_I)

    	insert_sep_imp: EV_TOOL_BAR_SEPARATOR_I
    			-- Once access to implementation of Insert_sep.
    			-- (from EV_SHARED_TRANSPORT_I)
    		ensure -- from EV_SHARED_TRANSPORT_I
    			Result /= Void

    	internal_screen: EV_SCREEN
    			-- Once access to an EV_SCREEN.
    			-- (from EV_SHARED_TRANSPORT_I)

    	original_x_offset: INTEGER_16
    			-- Original x_offset and original_y_offset of transport
    			-- realtive to widget. Only used for dragable transports.
    			-- (from EV_SHARED_TRANSPORT_I)

    	original_y_offset: INTEGER_16
    			-- Original x_offset and original_y_offset of transport
    			-- realtive to widget. Only used for dragable transports.
    			-- (from EV_SHARED_TRANSPORT_I)

    	originating_source: EV_DOCKABLE_SOURCE_I
    			-- Dragable source that originated the transport of `source_being_dragged'.
    			-- (from EV_SHARED_TRANSPORT_I)

    	remove_insert_label
    			-- Remove Insert_label from its current parent.
    			-- We must handle a special case for cells. If the parent is a cell,
    			-- then we remove the cell from its parent, and then restore it.
    			-- Otherwise, when the label, removed, the cell keeps it size, and cells
    			-- are normally used with `real_target' when the cell must
    			-- not be visible.
    			-- (from EV_SHARED_TRANSPORT_I)
    		ensure -- from EV_SHARED_TRANSPORT_I
    			not_parented: insert_label.parent = Void

    	remove_insert_sep
    			-- Ensure `inset_sep' is not parented.
    			-- (from EV_SHARED_TRANSPORT_I)
    		ensure -- from EV_SHARED_TRANSPORT_I
    			not_parented: insert_sep.parent = Void

    	source_being_docked: EV_DOCKABLE_SOURCE_I
    			-- Dragable source currently being transported. May be a
    			-- WIDGET_IMP or an EV_TOOL_BAR_BUTTON_IMP.
    			-- (from EV_SHARED_TRANSPORT_I)

    feature -- Access EV_PICK_AND_DROPABLE.

    	default_accept_cursor: EV_POINTER_STYLE
    			-- Used in lieu of a user defined accept_cursor.
    			-- (from EV_SHARED_TRANSPORT_I)

    	default_deny_cursor: EV_POINTER_STYLE
    			-- Used in lieu of a user defined deny_cursor.
    			-- (from EV_SHARED_TRANSPORT_I)

    	default_pixmaps: EV_STOCK_PIXMAPS
    			-- Default pixmaps
    			-- (from EV_SHARED_TRANSPORT_I)
    		require -- from  EV_SHARED_TRANSPORT_IMP
    			True

    	global_pnd_targets: HASH_TABLE [INTEGER_32, INTEGER_32]
    			-- Shortcut to EV_APPLICATION.pnd_targets.
    			-- (from EV_SHARED_TRANSPORT_I)

    	rubber_band_is_drawn: BOOLEAN
    			-- Is a rubber band line currently on the screen?
    			-- (from EV_SHARED_TRANSPORT_I)

    feature -- Access common.

    	pointer_x: INTEGER_16
    			-- (from EV_SHARED_TRANSPORT_I)

    	pointer_y: INTEGER_16
    			-- (from EV_SHARED_TRANSPORT_I)

    feature -- Event handling

    	conforming_pick_actions: EV_NOTIFY_ACTION_SEQUENCE
    			-- Actions to be performed when a pebble that fits here is picked.
    			-- (from EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_I)
    		ensure -- from EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_I
    			not_void: Result /= Void

    	create_conforming_pick_actions: EV_NOTIFY_ACTION_SEQUENCE
    			-- Create a conforming_pick action sequence.
    			-- (from EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_IMP)
    		require -- from  EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_I
    			True

    	create_drop_down_actions: EV_NOTIFY_ACTION_SEQUENCE
    			-- Create a drop down action sequence.
    			-- (from EV_TOOL_BAR_BUTTON_ACTION_SEQUENCES_IMP)
    		require -- from  EV_TOOL_BAR_BUTTON_ACTION_SEQUENCES_I
    			True

    	create_pick_actions: EV_PND_START_ACTION_SEQUENCE
    			-- Create a pick action sequence.
    			-- (from EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_IMP)
    		require -- from  EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_I
    			True

    	create_pick_ended_actions: EV_PND_FINISHED_ACTION_SEQUENCE
    			-- Create a pick ended action sequence.
    			-- (from EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_IMP)
    		require -- from  EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_I
    			True

    	create_pointer_button_press_actions: EV_POINTER_BUTTON_ACTION_SEQUENCE
    			-- Create a pointer_button_press action sequence.
    			-- (from EV_ITEM_ACTION_SEQUENCES_IMP)
    		require -- from  EV_ITEM_ACTION_SEQUENCES_I
    			True

    	create_pointer_double_press_actions: EV_POINTER_BUTTON_ACTION_SEQUENCE
    			-- Create a pointer_double_press action sequence.
    			-- (from EV_ITEM_ACTION_SEQUENCES_IMP)
    		require -- from  EV_ITEM_ACTION_SEQUENCES_I
    			True

    	create_pointer_motion_actions: EV_POINTER_MOTION_ACTION_SEQUENCE
    			-- Create a pointer_motion action sequence.
    			-- (from EV_ITEM_ACTION_SEQUENCES_IMP)
    		require -- from  EV_ITEM_ACTION_SEQUENCES_I
    			True

    	create_select_actions: EV_NOTIFY_ACTION_SEQUENCE
    			-- Create a select action sequence.
    			-- (from EV_TOOL_BAR_BUTTON_ACTION_SEQUENCES_IMP)
    		require -- from  EV_TOOL_BAR_BUTTON_ACTION_SEQUENCES_I
    			True

    	dock_ended_actions: EV_NOTIFY_ACTION_SEQUENCE
    			-- Actions to be performed after a dock completes from `Current'.
    			-- Either to a dockable target or a dockable dialog.
    			-- (from EV_DOCKABLE_SOURCE_ACTION_SEQUENCES_I)
    		ensure -- from EV_DOCKABLE_SOURCE_ACTION_SEQUENCES_I
    			not_void: Result /= Void

    	dock_started_actions: EV_NOTIFY_ACTION_SEQUENCE
    			-- Actions to be performed when pebble is picked up.
    			-- (from EV_DOCKABLE_SOURCE_ACTION_SEQUENCES_I)
    		ensure -- from EV_DOCKABLE_SOURCE_ACTION_SEQUENCES_I
    			not_void: Result /= Void

    	drop_actions: EV_PND_ACTION_SEQUENCE
    			-- Actions to be performed when a pebble is dropped here.
    			-- (from EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_I)
    		ensure -- from EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_I
    			not_void: Result /= Void

    	drop_down_actions: EV_NOTIFY_ACTION_SEQUENCE
    			-- Actions to be performed when drop down button is pressed.
    			-- (from EV_TOOL_BAR_BUTTON_ACTION_SEQUENCES_I)

    	pick_actions: EV_PND_START_ACTION_SEQUENCE
    			-- Actions to be performed when pebble is picked up.
    			-- (from EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_I)
    		ensure -- from EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_I
    			not_void: Result /= Void

    	pick_ended_actions: EV_PND_FINISHED_ACTION_SEQUENCE
    			-- Actions to be performed when a transport from `Current' ends.
    			-- (from EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_I)
    		ensure -- from EV_PICK_AND_DROPABLE_ACTION_SEQUENCES_I
    			not_void: Result /= Void

    	pointer_button_press_actions: EV_POINTER_BUTTON_ACTION_SEQUENCE
    			-- Actions to be performed when screen pointer button is pressed.
    			-- (from EV_ITEM_ACTION_SEQUENCES_I)
    		ensure -- from EV_ITEM_ACTION_SEQUENCES_I
    			not_void: Result /= Void

    	pointer_double_press_actions: EV_POINTER_BUTTON_ACTION_SEQUENCE
    			-- Actions to be performed when screen pointer is double clicked.
    			-- (from EV_ITEM_ACTION_SEQUENCES_I)
    		ensure -- from EV_ITEM_ACTION_SEQUENCES_I
    			not_void: Result /= Void

    	pointer_motion_actions: EV_POINTER_MOTION_ACTION_SEQUENCE
    			-- Actions to be performed when screen pointer moves.
    			-- (from EV_ITEM_ACTION_SEQUENCES_I)
    		ensure -- from EV_ITEM_ACTION_SEQUENCES_I
    			not_void: Result /= Void

    	select_actions: EV_NOTIFY_ACTION_SEQUENCE
    			-- Actions to be performed when button is pressed then released.
    			-- (from EV_TOOL_BAR_BUTTON_ACTION_SEQUENCES_I)
    		ensure -- from EV_TOOL_BAR_BUTTON_ACTION_SEQUENCES_I
    			not_void: Result /= Void

    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)

    feature -- Tooltip Flag constants

    	ttf_centertip: INTEGER_32 is 2
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttf_idishwnd: INTEGER_32 is 1
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttf_rtlreading: INTEGER_32 is 4
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttf_subclass: INTEGER_32 is 16
    			-- (from WEL_TOOLTIP_CONSTANTS)

    feature -- Tooltip message constants

    	ttm_activate: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_addtool: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_deltool: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_enumtools: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_getcurrenttool: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_getdelaytime: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_getmaxtipwidth: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_gettext: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_gettipbkcolor: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_gettiptextcolor: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_gettoolcount: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_gettoolinfo: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_hittest: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_newtoolrect: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_relayevent: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_setdelaytime: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_setmaxtipwidth: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_settipbkcolor: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_settiptextcolor: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_settoolinfo: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_updatetiptext: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttm_windowfrompoint: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    feature -- Tooltip style constants

    	tts_alwaystip: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	tts_noprefix: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    feature -- Tooltip time delay constants

    	ttdt_automatic: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttdt_autopop: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttdt_initial: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    	ttdt_reshow: INTEGER_32
    			-- (from WEL_TOOLTIP_CONSTANTS)

    invariant
    		-- from EV_PICK_AND_DROPABLE_I
    	user_interface_modes_mutually_exclusive: mode_is_pick_and_drop.to_integer + mode_is_drag_and_drop.to_integer + mode_is_target_menu.to_integer = 1
    	pebble_function_takes_two_integer_open_operands: pebble_function /= Void implies pebble_function.valid_operands ([1, 1])

    		-- from EV_ANY_I
    	interface_coupled: is_usable implies interface /= Void and then interface.implementation = Current
    	base_make_called: base_make_called

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

    		-- from EV_DOCKABLE_SOURCE_I
    	widget_or_item_source: not (widget_source_being_docked /= Void and item_source_being_docked /= Void)
    	dock_executing: is_dock_executing implies widget_source_being_docked /= Void or item_source_being_docked /= Void

    		-- from EV_ID_IMP
    	make_called: id > 0

    		-- from EV_RADIO_PEER_IMP
    	peers_not_void: peers /= Void

    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_TOOL_BAR_RADIO_BUTTON_IMP