KSizer

KSizer is a KWin script that adds resize presets to the window menu, letting you quickly size and center windows to saved dimensions.

Screenshot

Features

• Adds a "KSizer " submenu in the window menu.
• Resizes windows to preset widths and heights.
• Centers windows by default (configurable).
• Presets are configurable from System Settings.

Requirements

• KDE Plasma with KWin scripting support (Plasma 6 recommended).

Install

1. Copy the package directory into your KWin scripts folder.
   • Example: ~/.local/share/kwin/scripts/KSizer
2. In System Settings, open Window Management > KWin Scripts.
3. Enable the script and click Configure to edit presets.
4. Click Apply.

Usage

1. Focus a window.
2. Open the window menu using Alt+F3 or by right clicking the titlebar.
3. Open the "KSizer " submenu.
4. Pick a preset to resize and center the window.

Configuration

• Presets are stored under the Presets key in the script config.
• Centering is enabled by default and can be changed in the configuration UI.
• After changing presets, toggle the script off/on to refresh the menu.

Project Layout

• package/metadata.json: KWin package metadata.
• package/contents/code/main.js: main script entrypoint.
• package/contents/config/main.xml: KConfigXT schema for presets.
• package/contents/ui/config.ui: configuration UI.

Development

No build, lint, or test tooling is configured.

Manual testing:

1. Enable or reload the script in System Settings > Window Management > KWin Scripts.
2. Open any window, press Alt+F3, and select a preset.
3. Verify the window resizes and centers within the available area.

License

GPL-3.0-or-later. See LICENSE.

Support

If KSizer helps your workflow, you can support development here: https://buymeacoffee.com/allenguarnes