.. _xml_consts:

========= Constants

Overview

Constants can be defined to replace any value with a selected type or to be used as special values.

The supported types are:

• color
• px
• percentage
• string
• opa
• bool

Usage

.. code-block:: xml

<consts>
    <color name="color1" value="0xff0000" help="Primary color"/>
    <px name="pad_xs" value="8" help="Small padding"/>
</consts>

Constants can be used in:

• Style properties
• Widget and Component properties

Constant values can be referenced by #constant_name. For example:

.. code-block:: xml

<styles>
    <style name="style1" bg_color="#color1"/>
</styles>