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https://github.com/altermo/nxwm

A graphical display window manager in neovim
https://github.com/altermo/nxwm

lua lua-ffi luajit-ffi neovim neovim-lua neovim-lua-plugin neovim-plugin nvim nvim-lua nvim-plugin nvim-wm window-manager

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A graphical display window manager in neovim

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README

        

# NXWM
**N**eovim **X**11 **W**indow **M**anager allows you to use x11 windows as if they were buffers.
When entering a x-window-buffer, you'll need to start insert-mode to focus the x-window (unless some configurations are set to do this automatically).
## Requirements
+ `libx11`
+ `libxfixes` (almost always installed if libx11 is installed)
+ `glibc` (or most other standard C libraries)
+ Terminal supporting `TIOCGWINSZ`
+ Recommended terminal is `kitty`
+ Run `:lua= require'nxwm'.term_supported()` to check
+ NOTE: some terminals may support `TIOCGWINSZ` while still not working (like `neovim-qt`)
## Installation
Use whichever package manager you like.\
It is recommended to lock/pin the plugin to one version/branch because of changes.

- lazy
```lua
{'altermo/nwm',branch='x11'},
```
- packer
```lua
use {'altermo/nwm',branch='x11'},
```

## Configuration
Using `require("nxwm").setup({})` is **not required**, it is only there if you want to change the default config.
```lua
{
--What happens when a new x-window is created
on_win_open=function (buf,xwin)
vim.cmd.vsplit()
vim.api.nvim_set_current_buf(buf)
end,
--Configuration to pass to window
--`conf` is global config
on_win_get_conf=function (conf,xwin) return conf end,
--How to handle when multiple windows in the same tabpage has the x-window-buffer open
on_multiple_win_open=function (vwins,buf,xwin)
for k,vwin in ipairs(vwins) do
if k~=1 then
local scratchbuf=vim.api.nvim_create_buf(false,true)
vim.bo[scratchbuf].bufhidden='wipe'
vim.api.nvim_win_set_buf(vwin,scratchbuf)
end
end
end,
--Whether to be more verbose
verbal=false,
--Whether to show float windows above x-windows (depending on z-index)
floatover=true,
--Map to unfocus a window (multiple key mappings is not (yet) supported)
unfocus_map='',
--Create your own mappings
--IMPORTANT: the x-window needs to be focused for such mappings to work
maps={
--{'',function () vim.cmd'quitall!' end},
--Or you could also have lhs as a table
--{{mods={'control','mod1'},key='Delete'},function () vim.cmd'quitall!' end},
},
--Window-opt: auto focus x-window when entering x-window-buffer
autofocus=false,
--Window-opt: try-delete x-window if no vim-window shows buffer (similar to `bufhidden=wipe`)
delhidden=true,
--Window-opt: when click on x-window, goto that buffer (may not focus x-window)
clickgoto=true,
--Window-opt: offset the window this many x pixels (useful if terminal has padding)
xoffset=0,
--Window-opt: offset the window this many y pixels (useful if terminal has padding)
yoffset=0,
}
```
## Usage

### Start
Create an executable file with the following contents (or run directly in bash):\
(click triangle to expand)

From tty using sx

Install sx (most distros don't have it as a package so you may need to install from [source](https://github.com/Earnestly/sx))
Using alacritty

```bash
#!/bin/bash
sx alacritty --config-file /dev/null -e nvim -c 'lua require("nxwm").start()'
```

Using kitty

```bash
#!/bin/bash
sx kitty -c NONE -o placement_strategy=top-left -e nvim -c 'lua require("nxwm").start()'
```

Using wezterm

**IMPORTANT:** Running NXWM in Wezterm started with sx sometimes doesn't work
```bash
#!/bin/bash
sx wezterm -n --config enable_tab_bar=false --config window_padding='{left=0,right=0,top=0,bottom=0}' start nvim -c 'lua require"nxwm".start()'
```

---

From wayland window manager using Xwayland

Install Xwayland (may have the package name `xwayland`, `xorg-xwayland` or `xorg-x11-server-Xwayland`)
Using alacritty

```bash
#!/bin/bash
Xwayland :99 -noreset&
sleep 0.05 # HACK to make alacritty work with Xwayland
env -u WAYLAND_DISPLAY DISPLAY=:99 alacritty --config-file /dev/null -e nvim -c 'lua require("nxwm").start()'
jobs -p | xargs kill
```

Using kitty

```bash
#!/bin/bash
Xwayland :99 -noreset&
env -u WAYLAND_DISPLAY DISPLAY=:99 kitty -c NONE -o placement_strategy=top-left -e nvim -c 'lua require("nxwm").start()'
jobs -p | xargs kill
```

Using wezterm

```bash
#!/bin/bash
Xwayland :99 -noreset&
env -u WAYLAND_DISPLAY DISPLAY=:99 wezterm -n --config enable_tab_bar=false --config window_padding='{left=0,right=0,top=0,bottom=0}' start nvim -c 'lua require"nxwm".start()'
jobs -p | xargs kill
```

---

From X11 window manager using Xephyr

Install Xephyr (may be installed together with `xorg-sever` or have the package name `xorg-server-xephyr`)
Using alacritty

```bash
#!/bin/bash
Xephyr -ac -br -noreset :99&
sleep 0.05 # HACK to make alacritty work with Xephyr
env DISPLAY=:99 alacritty --config-file /dev/null -e nvim -c 'lua require("nxwm").start()'
jobs -p | xargs kill
```

Using kitty

```bash
#!/bin/bash
Xephyr -ac -br -noreset :99&
env DISPLAY=:99 kitty -c NONE -o placement_strategy=top-left -e nvim -c 'lua require("nxwm").start()'
jobs -p | xargs kill
```

Using wezterm

```bash
#!/bin/bash
Xephyr -ac -br -noreset :99&
env DISPLAY=:99 wezterm -n --config enable_tab_bar=false --config window_padding='{left=0,right=0,top=0,bottom=0}' start nvim -c 'lua require"nxwm".start()'
jobs -p | xargs kill
```

---

### Use
Open up a terminal (with `:term`) and run your wanted GUI.
NOTE: x-windows aren't auto focused by default, so start insert (by pressing `i` or similar) and then you'll focus the window.
To unfocus an x-window, either click into another buffer, or press `alt-F4`(unless the default config has been changed).
## Q&A
#### Is multiple displays supported?
No, and not likely until something like [neovim#2161](https://github.com/neovim/neovim/issues/2161) is implemented.
#### Will there be a wayland version?
Maybe, though wlroots is 10 times more complicated than X11 and much more unstable (e.g. most fails results in crash).
#### How do I exit a focused x-window?
Press `alt-F4` (I know this is an unusual keymap, if someone has a better idea, please let me know).
#### What are some future plans?
See [TODO.md](./TODO.md) (it may be outdated).

#### Donate
If you want to donate then you need to find the correct link (hint: No Break Here):
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