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Komorebi Application-Specific Configuration

The Komorebi Application-Specific Configuration (ASC) was originally created as a community-driven repository for users to share application-specific komorebi configuration options, with the goal of creating a tiling window management experience on Windows that "just works" for as many applications as possible.

As komorebi has grown in popularity, the vast majority of the most popular Windows applications have come to be covered in this repository, and these configuration options have even come to be used in other projects.

Schema

v1

The first version of the ASC was applications.yaml. The schema for v1 was created long before komorebi had support for different matching strategies or composite rules.

v1 is considered deprecated as of 01 November 2024 and no further changes will be accepted. However, the file will remain in this repository to ensure that nothing breaks for existing users who might rely on the existence of the file in this repository.

v2

The second version of the ASC is applications.json. It will be the default format from komorebi v0.1.30 onwards. The schema for v2 takes into account how komorebi.json's schema has evolved and aims to make it as easy as possible for window and application matching rules to be copied and pasted from one file to the other.

There is a JSON Schema definition available for v2 that can be generated using the komorebic application-specific-configuration-schema command, which is used to power auto-completions.

The v2 schema allows use of the full range of matching strategies and composite rules to identify application windows. The full range of application rules that can be applied are:

• ignore - Rules to ignore specific windows
• manage - Rules to forcibly manage specific windows
• floating - Rules to manage specific windows as floating windows (komorebi v0.1.30+)
• transparency_ignore - Rules to ignore specific windows from the transparency feature
• tray_and_multi_window - Rules to identify applications which minimize to the tray or have multiple windows
• layered - Rules to identify applications which have the WS_EX_LAYERED Extended Window Style
• object_name_change - Rules to identify applications which send the EVENT_OBJECT_NAMECHANGE event on launch
• slow_application - Rules to identify applications which are slow to send initial event notifications

Should I use a floating rule or an ignore rule?

You should use ignore rules when:

• Targeting a ghost window
• Targeting a popup which only exists to be immediately clicked away (confirmations etc.)

You should use floating rules when:

• Targeting a popup or a popout window which is interacted with for a while before being closed
• Targeting a popup or a popout window which is proactively toggled by the user for interaction

Windows targeted with ignore rules will not be managed at all by komorebi. In practice, this means if you leave these windows open, they will be visible on all komorebi workspaces, because komorebi is never touching them.

Windows targeted with floating rules will be managed by komorebi and scoped to the workspace they are launched on or moved to.

Contributing

If you would like to propose a new application configuration rule for consideration, please open an issue with the rules you are proposing in a code block rather than a PR.

FAQs

I am a new komorebi user and I want to add different rules for various applications

Do not edit the applications.json or applications.yaml file; edit your komorebi.json file instead.

Changes to the applications.[yaml|json] files are not hot-reloaded and applied, and any changes you make will get blown away the next time you run komorebic fetch-app-specific-configuration to fetch the latest version.

I am a komorebi user and this repo floats an application which I want to be tiled

Do not submit a PR to this repo; to guarantee backwards compatibility for all consumers of this repository, it is incredibly unlikely that such a PR will be accepted.

You should add a force manage rule in your komorebi.json file, which will override the float rule in this repository. Refer to the Force Manage Windows tutorial on the documentation website.

I am a komorebi user and I want to add an ignore rule for an application

You should add the ignore rule in your komorebi.json file. Refer to the Ignore Windows tutorial on the documentation website.

If you believe that this is a rule which should be set as default for all users, please open an issue and explain your rationale.

I am a komorebi user and I want to add a manage rule for an application

You should add the manage rule in your komorebi.json file. Refer to the Force Manage Windows tutorial on the documentation website.

If you believe that this is a rule which should be set as default for all users, please open an issue and explain your rationale.

I am a komorebi user and I want to identify an application which minimizes to the tray or has multiple windows

You should add the tray and multi-window application rule in your komorebi.json file. Refer to the Tray and Multi-Window Applications tutorial on the documentation website.

If you believe that this is a rule which should be set as default for all users, please open an issue and explain your rationale.