91 lines
3.5 KiB
Markdown
91 lines
3.5 KiB
Markdown
# wdisplays
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[![License: GPL 3.0 or later][license-img]][license-spdx]
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wdisplays is a graphical application for configuring displays in Wayland
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compositors. It borrows some code from [kanshi]. It should work in any
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compositor that implements the wlr-output-management-unstable-v1 protocol.
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Compositors that are known to support the protocol are [Sway] and [Wayfire].
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The goal of this project is to allow precise adjustment of display settings in
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kiosks, digital signage, and other elaborate multi-monitor setups.
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# Installation
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[![Repology][repology-img]][repology-pkg]
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Check your distro for a `wdisplays` package. Known distro packages:
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- [Alpine](https://pkgs.alpinelinux.org/package/edge/testing/x86_64/wdisplays)
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- [Arch](https://aur.archlinux.org/packages/wdisplays-git/)
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- [Debian](https://packages.debian.org/sid/wdisplays)
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- [Fedora](https://copr.fedorainfracloud.org/coprs/wef/wdisplays/)
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- [FreeBSD](https://svnweb.freebsd.org/ports/head/x11/wdisplays/)
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- [Nix](https://github.com/NixOS/nixpkgs/tree/master/pkgs/tools/graphics/wdisplays)
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- [OpenSUSE](https://build.opensuse.org/package/show/home%3AMWh3/wdisplays)
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# Building
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Build requirements are:
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- meson
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- GTK+3
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- epoxy
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- wayland-client
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```sh
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meson build
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ninja -C build
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sudo ninja -C build install
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```
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# Usage
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Displays can be moved around the virtual screen space by clicking and dragging
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them in the preview on the left panel. By default, they will snap to one
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another. Hold Shift while dragging to disable snapping. You can click and drag
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with the middle mouse button to pan. Zoom in and out either with the buttons on
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the top left, or by holding Ctrl and scrolling the mouse wheel. Fine tune your
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adjustments in the right panel, then click apply.
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There are some options available by clicking the menu button on the top left:
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- Automatically Apply Changes: Makes it so you don't have to hit apply. Disable
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this for making minor adjustments, but be careful, you may end up with an
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unusable setup.
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- Show Screen Contents: Shows a live preview of the screens in the left panel.
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Turn off to reduce energy usage.
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- Overlay Screen Names: Shows big names in the corner of all screens for easy
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identification. Disable if they get in the way.
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# FAQ
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### What is this?
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It's intended to be the Wayland equivalent of an xrandr GUI, like [ARandR].
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### I'm using Sway, why aren't my display settings saved when I log out?
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Sway, like i3, doesn't save any settings unless you put them in the config
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file. See man `sway-output`. If you want to have multiple configurations
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depending on the monitors connected, you'll need to use an external program
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like [kanshi]. Integration with that and other external daemons is planned.
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### How do I add support to my compositor?
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A minimal amount of code (approximately 150-200 LOC) is currently required to
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get support for this in wlroots compositors. See the diff here for a sample
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implementation on top of tinywl: [tinywl-output-management].
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[kanshi]: https://github.com/emersion/kanshi
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[Sway]: https://swaywm.org
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[Wayfire]: https://wayfire.org
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[ARandR]: https://christian.amsuess.com/tools/arandr/
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[tinywl-output-management]: https://git.sr.ht/~jf/tinywl-output-management/commit/87a45d89ae0e7975e2a59f84e960380dd2f5ac08
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[license-img]: https://img.shields.io/badge/License-GPL%203.0%20or%20later-blue.svg?logo=gnu
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[license-spdx]: https://spdx.org/licenses/GPL-3.0-or-later.html
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[repology-img]: https://repology.org/badge/tiny-repos/wdisplays.svg
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[repology-pkg]: https://repology.org/project/wdisplays/versions
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