display menu module for klipper

Signed-off-by: Janar Sööt <janar.soot@gmail.com>

config/example-menu.cfg

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+# This file serves as documentation for config parameters. One may
+# copy and edit this file to configure a new menu layout.
+# The snippets in this file may be copied into the main printer.cfg file.
+# See the "example.cfg" file for description of common config parameters.
+
+# Available menu elements:
+#   item - purely visual element
+#   command - same like 'item' but with gcode trigger
+#   input - same like 'command' but has value changing capabilities
+#   list - menu element container, with entry and exit gcode triggers
+#   vsdcard - same as 'list' but will append files from virtual sdcard
+#   deck - special container for custom screens (cards) has entry and exit gcode triggers.
+#   card - special content card for custom screens. Can only be used in 'deck'!
+
+#[menu item1]
+#type: item
+#   Type will determine menu item properties and behaviours:
+#name:
+#   This is mandatory attribute for every menu element.
+#   You can use Python output formatting for parameter and transform values.
+#   Quotes can be used in the beginning and end of name.
+#cursor:
+#   It allows to change cursor character for selected menu element.
+#   The default is >
+#   This parameter is optional.
+#width:
+#   This attribute accepts integer value. Element name is cut to this width.
+#   This parameter is optional.
+#scroll:
+#   This attribute accepts static boolean value. You can use it together with 'width'.
+#   When this is enabled then names longer than width are scrolled back and forth.
+#   The default is disabled. This parameter is optional.
+#enable:
+#   This attribute accepts static boolean values and parameters (converted to boolean).
+#   It accepts multiple logical expressions. Values separated by comma will return True if all elements are true.
+#   Values on different lines will return True if any element is true.
+#   You can use logical negation by using character ! as parameter prefix.
+#parameter:
+#   This attribute accepts float values or special variables. Multiple values are delimited by comma.
+#   All available parameter variables can be listed by 'MENU DO=dump' gcode, menu itself must be running.
+#   This value is available for output formatting as {0}..{n} Where n is count of parameters.
+#transform:
+#   This attribute allows to transform parameters value to something else.
+#   More than one transformation can be added. Each transformation must be on separate line.
+#   These transformed values are available for output formatting as {n+1}..{x}
+#   Where n is count of parameters and x is count of transformations.
+#   In order to transform the value of a particular parameter, you must add
+#   an parameter index as prefix. Like this "transform: 1.choose('OFF','ON')"
+#   If the index is not set then the default index 0 is used.
+#
+#   map(fromLow,fromHigh,toLow,toHigh) - interpolate re-maps a parameter value from one range to another.
+#   Output value type is taken from toHigh. It can be int or float.
+#
+#   choose(e1,e2) - boolean chooser, converts the value of the parameter to the boolean type (0 and 1),
+#   and selects the corresponding value by the index from the list.
+#
+#   choose(e1,e2,...) - int chooser, converts the value of the parameter to the int type
+#   and selects the corresponding value by the index from the list.
+#
+#   choose({key:value,..}) - special dictionary chooser, parameter value cast type by first key type.
+#   Selects the corresponding value by the key from the dictionary.
+#
+#   int(), float(), bool(), str(), abs(), bin(), hex(), oct(), days(), hours(), minutes(), seconds()
+#   These will convert parameter value to the special form.
+#   int,float,bool,str,abs,bin,hex and oct are python functions.
+#   days,hours,minutes,seconds will convert parameter value (it's taken as seconds) to time specific value
+#
+#   scale(xx) - Multiplies parameter value by this xx. Pure interger or float value is excpected.
+
+
+#[menu command1]
+#type:command
+#name:
+#cursor:
+#width:
+#scroll:
+#enable:
+#parameter:
+#transform:
+#gcode:
+#   When menu element is clicked then gcodes on this attribute will be executed.
+#   Can have multiline gcode script and supports output formatting for parameter and transform values.
+#action:
+#   Special action can be executed. Supports [back, exit] menu commands
+#   and [respond response_info] command. Respond command will send '// response_info' to host.
+
+#[menu input1]
+#name:
+#cursor:
+#width:
+#enable:
+#transform:
+#parameter:
+#   Value from parameter (always index 0) is taken as input value when in edit mode.
+#gcode:
+#   This will be triggered in realtime or on exit from edit mode.
+#reverse:
+#   This attribute accepts static boolean value.
+#   When enabled it will reverse increment and decrement directions for input.
+#   The default is False. This parameter is optional.
+#readonly:
+#   This attribute accepts same logical expression as 'enable'.
+#   When true then input element is readonly like 'item' and cannot enter to edit mode.
+#   The default is False. This parameter is optional.
+#realtime:
+#   This attribute accepts static boolean value.
+#   When enabled it will execute gcode after each value change.
+#   The default is False. This parameter is optional.
+#input_min:
+#   It accepts integer or float value. Will set minimal bound for edit value.
+#   The default is 2.2250738585072014e-308. This parameter is optional.
+#input_max:
+#   It accepts integer or float value. Will set maximal bound for edit value.
+#   The default is 1.7976931348623157e+308. This parameter is optional.
+#input_step:
+#   This is mandatory attribute for input.
+#   It accepts positive integer or float value. Will determine increment
+#   and decrement steps for edit value.
+
+#[menu list1]
+#type:list or vsdcard
+#name:
+#cursor:
+#width:
+#scroll:
+#enable:
+#enter_gcode:
+#   Will trigger gcode script when entering to this menu container.
+#   This parameter is optional.
+#leave_gcode:
+#   Will trigger gcode script when leaving from this menu container.
+#   This parameter is optional.
+#show_back:
+#   This attribute accepts static boolean value.
+#   Show back [..] as first element.
+#   The default is True. This parameter is optional.
+#show_title:
+#   This attribute accepts static boolean value.
+#   Show container name next to back [..] element.
+#   The default is True. This parameter is optional.
+#items:
+#   Menu elements listed in this container.
+#   Each element must be on separate line.
+#   Elements can be grouped on same line by separating them with comma
+#
+#   When element name stars with . then menu system will add parent
+#   container config name as prefix to element name (delimited by space)
+
+#[menu infodeck]
+#type: deck
+#name:
+#cursor:
+#width:
+#scroll:
+#enable:
+#enter_gcode
+#leave_gcode
+#longpress_menu:
+#   Entry point to menu container. When this attribute is set then
+#   long press > 1s will initiate this menu container if not in edit mode.
+#   The default is disabled. This parameter is optional.
+#items:
+#   It accepts only 'card' elements. You are able to switch between different card screens
+#   by using encoder or up/down buttons.
+
+#[menu card1]
+#type: card
+#name:
+#content:
+#   Card screen content. Each line represents display line.
+#   Quotes can be used in the beginning and end of line.
+#   Rendered elements are available for output formatting as {0}..{x}. It's always string type.
+#items:
+#   List of elements in card. Each line represents a single index for content formatting.
+#   It's possible to show multiple elements in one place by separating them with comma on single line.
+#   If first element is integer then timed cycle is used (integer value is cycle time in seconds)
+#   If no integer element then first enabled element is shown.
+#   In cycler multiple elements can be grouped into one postition by separating them with |
+#   This way only simple menu items can be grouped.
+#   Example: 5,prt_time, prt_progress - elements prt_time and prt_progress are switched after 5s
+#   Example: msg,xpos|ypos - elements xpos and ypos are grouped and showed together when msg is disabled.