--- awesome client API
-- @author Julien Danjou <julien@danjou.info>
-- @copyright 2008-2009 Julien Danjou
-- @release @AWESOME_VERSION@
-- @classmod client

--- Client object.
--
-- @field window The X window id.
-- @field name The client title.
-- @field skip_taskbar True if the client does not want to be in taskbar.
-- @field type The window type (desktop, normal, dock, …).
-- @field class The client class.
-- @field instance The client instance.
-- @field pid The client PID, if available.
-- @field role The window role, if available.
-- @field machine The machine client is running on.
-- @field icon_name The client name when iconified.
-- @field icon The client icon.
-- @field screen Client screen.
-- @field hidden Define if the client must be hidden, i.e. never mapped,
--   invisible in taskbar.
-- @field minimized Define it the client must be iconify, i.e. only visible in
--   taskbar.
-- @field size_hints_honor Honor size hints, i.e. respect size ratio.
-- @field border_width The client border width.
-- @field border_color The client border color.
-- @field urgent The client urgent state.
-- @field content An image representing the client window content (screenshot).
-- @field focus The focused client.
-- @field opacity The client opacity between 0 and 1.
-- @field ontop The client is on top of every other windows.
-- @field above The client is above normal windows.
-- @field below The client is below normal windows.
-- @field fullscreen The client is fullscreen or not.
-- @field maximized The client is maximized (horizontally and vertically) or not.
-- @field maximized_horizontal The client is maximized horizontally or not.
-- @field maximized_vertical The client is maximized vertically or not.
-- @field transient_for The client the window is transient for.
-- @field group_window Window identification unique to a group of windows.
-- @field leader_window Identification unique to windows spawned by the same command.
-- @field size_hints A table with size hints of the client: user_position,
--   user_size, program_position, program_size, etc.
-- @field sticky Set the client sticky, i.e. available on all tags.
-- @field modal Indicate if the client is modal.
-- @field focusable True if the client can receive the input focus.
-- @field shape_bounding The client's bounding shape as set by awesome as a (native) cairo surface.
-- @field shape_clip The client's clip shape as set by awesome as a (native) cairo surface.
-- @field shape_client_bounding The client's bounding shape as set by the program as a (native) cairo surface.
-- @field shape_client_clip The client's clip shape as set by the program as a (native) cairo surface.
-- @field startup_id The FreeDesktop StartId.
-- @field valid If the client that this object refers to is still managed by awesome.
-- @table client

--- Get all clients into a table.
--
-- @param[opt] screen A screen number.
-- @return A table with all clients.
-- @function get

--- Check if a client is visible on its screen.
--
-- @return A boolean value, true if the client is visible, false otherwise.
-- @function isvisible

--- Return client geometry.
--
-- @param arg1 A table with new coordinates, or none.
-- @return A table with client coordinates.
-- @function geometry

--- Apply size hints to a size.
-- @param width Desired width of client
-- @param height Desired height of client
-- @return Actual width of client
-- @return Actual height of client
-- @name apply_size_hints
-- @class function

--- Return client struts (reserved space at the edge of the screen).
--
-- @param struts A table with new strut values, or none.
-- @return A table with strut values.
-- @function struts

--- Get or set mouse buttons bindings for a client.
--
-- @param buttons_table An array of mouse button bindings objects, or nothing.
-- @return A table with all buttons.
-- @function buttons

--- Get or set keys bindings for a client.
--
-- @param keys_table An array of key bindings objects, or nothing.
-- @return A table with all keys.
-- @function keys

--- Access or set the client tags.
--
-- @param tags_table A table with tags to set, or none to get the current tags table.
-- @return A table with all tags.
-- @function tags

--- Kill a client.
--
-- @function kill

--- Swap a client with another one in global client list.
-- @client A client to swap with.
-- @function swap

--- Raise a client on top of others which are on the same layer.
--
-- @function raise

--- Lower a client on bottom of others which are on the same layer.
--
-- @function lower

--- Stop managing a client.
--
-- @function unmanage

--- Change a xproperty.
--
-- @param name The name of the X11 property
-- @param value The new value for the property
-- @function set_xproperty

--- Get the value of a xproperty.
--
-- @param name The name of the X11 property
-- @function get_xproperty

--- Add a signal.
--
-- @param name A signal name.
-- @param func A function to call when the signal is emitted.
-- @function connect_signal

--- Remove a signal.
--
-- @param name A signal name.
-- @param func A function to remove.
-- @function disconnect_signal

--- Emit a signal.
--
-- @param name A signal name.
-- @param[opt] ... Various arguments.
-- @function emit_signal

--- Get the number of instances.
--
-- @return The number of client objects alive.
-- @function instances