Module node 

Helper nodes.

This module defines some foundational nodes that can be used for declaring properties and widgets.

Macros

command_property

Declare one or more command event properties.

event_property

Declare one or more event properties.

Traits

VarPresent

Extension method to convert a variable to a node.

VarPresentData

Extension method to convert a variable to a node.

VarPresentList

Extension method fo convert a variable to a node list.

VarPresentListFromIter

Extension method fo convert a variable to a node list.

VarPresentOpt

Extension method to convert a variable to a node.

Functions

bind_state

Helper for declaring state properties that are controlled by a variable.

bind_state_init

Helper for declaring state properties that are controlled by a variable.

border_node

Creates a border node that delegates rendering to a border_visual and manages the border_offsets coordinating with the other borders of the widget.

event_state

Helper for declaring state properties that depend on a single event.

event_state2

Helper for declaring state properties that depend on two other event states.

event_state3

Helper for declaring state properties that depend on three other event states.

event_state4

Helper for declaring state properties that depend on four other event states.

fill_node

Transforms and clips the content node according with the default widget border align behavior.

interactive_node

Create a node that controls interaction for all widgets inside node.

list_presenter

Node list that presents list using item_fn for each new list item.

list_presenter_from_iter

Node list that presents list using item_fn for each list item.

on_command

Helper for declaring command event properties.

on_event

Helper for declaring event properties.

on_pre_command

Helper for declaring command preview handlers.

on_pre_event

Helper for declaring preview event properties.

presenter

Node that presents data using wgt_fn.

presenter_opt

Node that presents data using wgt_fn if data is available, otherwise presents nil.

validate_getter_var

Logs an error if the _var is always read-only.

widget_state_get_state

Helper for declaring state getter properties that are controlled by values in the widget state map.

widget_state_is_state

Helper for declaring state properties that are controlled by values in the widget state map.

with_context_blend

Helper for declaring widgets that are recontextualized to take in some of the context of an original parent.

with_context_local

Helper for declaring nodes that sets a context local value.

with_context_local_init

Helper for declaring nodes that sets a context local value generated on init.

with_context_var

Helper for declaring properties that sets a context var.

with_context_var_init

Helper for declaring properties that sets a context var to a value generated on init.

with_index_len_node

Helper for a property that gets the index of the widget in the parent panel and the number of children.

with_index_node

Helper for a property that gets the index of the widget in the parent panel.

with_rev_index_node

Helper for a property that gets the reverse index of the widget in the parent panel.

with_widget_state

Helper for declaring properties that set the widget state.

with_widget_state_modify

Helper for declaring properties that set the widget state with a custom closure.