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diff --git a/dwl-patches/patches/hot-reload/README.md b/dwl-patches/patches/hot-reload/README.md new file mode 100644 index 0000000..e65e894 --- /dev/null +++ b/dwl-patches/patches/hot-reload/README.md @@ -0,0 +1,40 @@ +### Description +Enables hot-reloading of dwl; meaning almost all logic can be changed at runtime. +This obviously requires some black magic so for now there's a glibc 2.0 or later +dependency to this. +In particular this allows for every option in config.h to be changed at runtime. + +#### Reloading +To reload rebuild dwl.so, perhaps reinstall it and then run trigger reload function (bound to Mod+Shift+R by default). +This currently calls `notify-send` in order to inform you of a reloading taking place. +So in short: +1. make changes to `config.h` or `dwl.c` +2. run `make` to rebuild dwl.so +3. run `sudo make install` to reinstall dwl + + +#### Limitations +Reloading the compositor will replace all functionality except for `main`, `setup`, `run` and the reload logic. +Note that you're responsible yourself for reloading ressources like fonts, which may only get acquired once. +A lot of components of dwl will also only get run on a trigger (the tiling for example). +So not every change will be immediate. + +#### Notes +##### reduce compile errors +This patch triggers `-Wpedantic` a bunch (I don't think there's a way around this, `dlsym` yields `void*` pointers to functions). +This will show a lot of warnings but cause no errors. +So you may want to disable this compile option in order to get readable compiler output. +##### runtime dependencies +This does depend on you having a notification daemon like `dunst` or `mako` running as well as +having `notify-send` installed in order for the compositor to inform you of the reload. + +#### How? +Most of all dwl functionality is moved into a shared object file `dwl.so`, which can be reloaded at runtime. + +### Download +- [0.7](/dwl/dwl-patches/raw/branch/main/patches/hot-reload/hot-reload-0.7.patch) +- [main 2025-02-14](/dwl/dwl-patches/raw/branch/main/patches/hot-reload/hot-reload.patch) +- find the repo for the patch [here](/Sivecano/dwl/src/branch/hot-reload) +### Authors +- [Sivecano](https://codeberg.org/Sivecano) +- Sérécano at [dwl Discord](https://discord.gg/jJxZnrGPWN) |