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	description	: "Constants for layout using Vision2"
	legal: "See notice at end of class."
	status: "See notice at end of class."
	author		: "Arnaud PICHERY [ aranud@mail.dotcom.fr ]"
	date		: "$Date$"
	revision	: "$Revision$"

class
	EV_LAYOUT_CONSTANTS_IMP

feature -- Access (button size constants)

	Default_button_width: INTEGER is
			-- Default width for buttons
		do
			Result := default_label.width.max (74)
		end

	Default_button_height: INTEGER is
			-- Default height for buttons
		do
			Result := (default_label.height + small_padding_size).max (23)
		end

	default_label: EV_LABEL is
			-- Label used for querying default button dimensions
		once
			create Result.make_with_text ("WWWWW")
		end

feature -- Access (padding constants)

	Large_border_size: INTEGER is
			-- Default size for borders
		do
			Result := dialog_unit_to_pixels (10)
		end

	Default_padding_size: INTEGER is
			-- Default size for padding
		do
			Result := dialog_unit_to_pixels (14)
		end

	Small_padding_size: INTEGER is
			-- Small size for padding
		do
			Result := dialog_unit_to_pixels (10)
		end

	Tiny_padding_size: INTEGER is
			-- Tiny size for padding
		do
			Result := dialog_unit_to_pixels (3)
		end

feature -- Access (border constants)

	Default_border_size: INTEGER is
			-- Default size for borders
		do
			Result := dialog_unit_to_pixels (7)
		end

	Small_border_size: INTEGER is
			-- Small size for borders
		do
			Result := dialog_unit_to_pixels (5)
		end

feature -- Access

	resolution: INTEGER is
			-- Screen resolution.
		once
			Result := (create {EV_SCREEN}).horizontal_resolution
		end

feature -- Operation

	set_default_size_for_button (a_button: EV_BUTTON) is
			-- Set the default size for `a_button'.
		do
			a_button.set_minimum_size (
				a_button.minimum_width.max (Default_button_width),
				a_button.minimum_height.max (Default_button_height))
		end

feature -- Conversion

	dialog_unit_to_pixels (a_size: INTEGER): INTEGER is
			-- Convert `a_size' dialog units into pixels.
			-- Used to get the same look&feel under all platforms
		do
			Result := a_size
		end
		
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_LAYOUT_CONSTANTS