Crate df_displmgr 

df_displmgr — Cross-platform display management library

This crate provides the core abstractions for enumerating, querying, and configuring displays across Windows (CCD/GDI) and Linux (DRM/Wayland/KDE/udev).

Architecture

• UniversalTopology — trait for querying current display topology
• OutputEditable — trait for modifying properties of a single output
• NativeTopology — platform-resolved concrete implementation

Platform backends

Platform	Backend	Features
Windows	CCD	Profile persistence, advanced topology
Windows	GDI	Legacy fallback, wider compatibility
Linux	DRM	Direct kernel mode setting
Linux	Wayland	wlroots output management protocol
Linux	KDE	KScreen D-Bus integration
Linux	udev	sysfs/udevadm enumeration

Feature gates

• ctrl_center — enables high-level activation logic (force_activate_by_monitor_name, activate_with_topology_restore, etc.)
• wgpu_types — enables WGPU integration for HDR pipelines

License

Licensed under MIT at your option.

Re-exports

pub use error::DisplayError;

pub use error::DisplayResult;

pub use traits::OutputEditable;

pub use traits::UniversalTopology;

pub use backends::windows::activate_display;

pub use backends::windows::force_activate_by_monitor_name;

pub use backends::windows::force_all;

pub use backends::windows::ActivationResult;

pub use backends::windows::WinDisplayManager;

pub use crate::backends::NativeTopology;

pub use types::*;

Modules

backends

Platform-specific backend implementations for display configuration. Platform-specific backend implementations.

error

Error types for display configuration operations. Centralized error types for the df_displmgr crate.

traits

Traits for output editing and topology management. Trait definitions that establish the cross-platform display management contract.

types

Core data types for display configuration and topology.

Functions

activate_with_topology_restore

Topology-aware activation: save current topology, force_all, restore, place target.