# Druid components

## Button

Basic Druid input component

- Button callback have next params: (self, params, button_instance)

      - **self** - Druid self context
      - **params** - Additional params, specified on button creating
      - **button_instance** - button itself

- Button have next events:

      - **on_click** - basic button callback
      - **on_repeated_click** - repeated click callback, while holding the button, don't trigger if callback is empty
      - **on_long_click** - callback on long button tap, don't trigger if callback is empty
      - **on_hold_callback** - hold callback, before long_click trigger, don't trigger if callback is empty
      - **on_double_click** - different callback, if tap button 2+ in row, don't trigger if callback is empty

- If you have stencil on buttons and you don't want trigger them outside of stencil node, you can use button:set_click_zone to restrict button click zone
- Button can have key trigger to use then by key: button:set_key_trigger

## Text

Basic Druid text component

- Text component by default have auto adjust text sizing. Text never will be more, than text size, which you can setup in gui scene. It can be disabled on component creating

- Text pivot can be changed with text:set_pivot, and text will save their position inside their text size box:

## Blocker

Druid component for block input

It can be used for block input in special zone.

Example:

Blue zone is button with close_window callback

Yellow zone is blocker with window content

So you can do the safe zones, when you have the big buttons

## Back Handler

Component to handle back button

It works on Android back button and Backspace. Key triggers in `input.binding` should be setup

## Lang text

Wrap on Text component to handle localization

## Scroll

Basic Druid scroll component

## Progress

Basic Druid progress bar component

## Slider

Basic Druid slider component

## Input

Basic Druid text input component (unimplemented)

## Checkbox

Basic Druid checkbox component

## Checkbox group

Several checkboxes in one group

## Radio group

Several checkboxes in one group with single choice

## Timer

Handle timer work on gui text node

## Grid

Component for manage node positions

## Hover

System Druid component, handle hover node state

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