Module region 

Region and layout management module for the matrix_gui framework.

This module provides utilities for defining and managing widget regions within the GUI. It includes:

• Region: A struct representing a rectangular area with an associated widget ID
• Layout functions for arranging widgets in grid patterns
• Macros for generating region IDs and layouts at compile time

Core Concepts

Regions

A Region represents a rectangular area on the screen where a widget can be placed. Each region has an associated widget ID that uniquely identifies it.

Layouts

The module provides several layout functions for arranging regions in grids:

• Row-major: Regions are arranged left-to-right, top-to-bottom
• Column-major: Regions are arranged top-to-bottom, left-to-right
• Both runtime and compile-time variants are available

Macros

The module provides several macros for generating region layouts:

• [free_form_region!]: Define regions with custom positions and sizes
• [region_id!]: Generate region ID enums
• [grid_layout_row_major!]: Create row-major grid layouts
• [grid_layout_column_major!]: Create column-major grid layouts
• [grid_layout_row_major_with_start!]: Create grid layouts with custom start ID
• [grid_layout_column_major_with_start!]: Create grid layouts with custom start ID

Structs

Region

A region representing a rectangular area with an associated widget ID.

Functions

const_grid_layout_column_major

Creates a column-major grid layout at compile time.

const_grid_layout_row_major

Creates a row-major grid layout at compile time.

grid_layout_column_major

Creates a column-major grid layout and returns it as an array.

grid_layout_column_major_mut

Creates a column-major grid layout in place.

grid_layout_row_major

Creates a row-major grid layout and returns it as an array.

grid_layout_row_major_mut

Creates a row-major grid layout in place.