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50 lines
1.7 KiB
Markdown
50 lines
1.7 KiB
Markdown
# dwl
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This is the "minimum viable product" Wayland compositor based on wlroots. It
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aims to implement a Wayland compositor in the fewest lines of code possible,
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while still supporting a reasonable set of features. Reading this code is the
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best starting point for anyone looking to build their own Wayland compositor
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based on wlroots.
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## Building dwl
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dwl is disconnected from the main wlroots build system, in order to make it
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easier to understand the build requirements for your own Wayland compositors.
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Simply install the dependencies:
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- wlroots
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- wayland-protocols
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And run `make`.
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## Running dwl
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You can run dwl with `./dwl`. In an existing Wayland or X11 session,
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dwl will open a Wayland or X11 window respectively to act as a virtual
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display. You can then open Wayland windows by setting `WAYLAND_DISPLAY` to the
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value shown in the logs. You can also run `./dwl` from a TTY.
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In either case, you will likely want to specify `-s [cmd]` to run a command at
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startup, such as a terminal emulator. This will be necessary to start any new
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programs from within the compositor, as dwl does not support any custom
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keybindings. dwl supports the following keybindings:
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- `Alt+Escape`: Terminate the compositor
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- `Alt+F1`: Cycle between windows
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## Limitations
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Notable omissions from dwl:
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- HiDPI support
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- Any kind of configuration, e.g. output layout
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- Any protocol other than xdg-shell (e.g. layer-shell, for
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panels/taskbars/etc; or Xwayland, for proxied X11 windows)
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- Optional protocols, e.g. screen capture, primary selection, virtual
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keyboard, etc. Most of these are plug-and-play with wlroots, but they're
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omitted for brevity.
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- Damage tracking, which tracks which parts of the screen are changing and
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minimizes redraws accordingly.
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