note

	description:
		"EiffelVision implementation of Motif password widget."
	legal: "See notice at end of class.";
	status: "See notice at end of class.";
	date: "$Date$";
	revision: "$Revision$"

class 
	PASSWORD_IMP

inherit

	PASSWORD_I;

	TEXT_FIELD_IMP
		rename
			make as text_field_make
		redefine
			text, value
		end

	MEL_COMMAND

create

	make

feature {NONE} -- Creation

	make (a_password: PASSWORD; man: BOOLEAN; oui_parent: COMPOSITE)
			-- Create a motif text_field but do not echo input
		local
			mc: MEL_COMPOSITE
		do
			mc ?= oui_parent.implementation;
			widget_index := widget_manager.last_inserted_position;
			mel_text_make (a_password.identifier, mc, man);
			a_password.set_font_imp (Current)
			-- add modify action
			set_modify_verify_callback (Current, void);
		end;

feature  -- Access
	text, value :string
		do
			Result := clone (password)
		end

feature {NONE} -- implementation

	execute (arg:ANY)
		local
			vs: MEL_TEXT_VERIFY_CALLBACK_STRUCT
		do
			vs ?= callback_struct
			check 
				vs /= void
			end

			if vs.start_pos < vs.end_pos then
				password.replace_substring(vs.text_string, vs.start_pos+1, vs.end_pos)
			elseif vs.start_pos < password.count then
				password.insert(vs.text_string, vs.start_pos+1)
			else
				password.append(vs.text_string)
			end
			vs.set_all_to ('*')
		end

	password: STRING
		once
			create Result.make(0)
		end

note
	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 PASSWORD_IMP