feat: libinput keys module

.github/scripts/ubuntu_setup.sh

@@ -17,6 +17,7 @@ $SUDO apt-get update && $SUDO apt-get install --assume-yes \
 	libssl-dev${CROSS_DEB_ARCH:+:$CROSS_DEB_ARCH} \
 	libgtk-3-dev${CROSS_DEB_ARCH:+:$CROSS_DEB_ARCH} \
 	libgtk-layer-shell-dev${CROSS_DEB_ARCH:+:$CROSS_DEB_ARCH} \
+	libinput-dev${CROSS_DEB_ARCH:+:$CROSS_DEB_ARCH} \
 	libdbusmenu-gtk3-dev${CROSS_DEB_ARCH:+:$CROSS_DEB_ARCH} \
 	libpulse-dev${CROSS_DEB_ARCH:+:$CROSS_DEB_ARCH} \
 	libluajit-5.1-dev${CROSS_DEB_ARCH:+:$CROSS_DEB_ARCH}

Cargo.toml

@@ -18,6 +18,7 @@ default = [
     "focused",
     "http",
     "ipc",
+    "keys",
     "launcher",
     "music+all",
     "network_manager",
@@ -49,12 +50,14 @@ http = ["dep:reqwest"]
 
 cairo = ["lua-src", "mlua", "cairo-rs"]
 
-clipboard = ["nix"]
+clipboard = ["dep:nix"]
 
 clock = ["chrono"]
 
 focused = []
 
+keys = ["dep:input", "dep:evdev-rs", "dep:libc", "dep:nix"]
+
 launcher = []
 
 music = ["regex"]
@@ -131,12 +134,14 @@ lua-src =  {  version = "547.0.0", optional = true }
 mlua = { version = "0.9.9", optional = true, features = ["luajit"] }
 cairo-rs = { version = "0.18.5", optional = true, features = ["png"] }
 
-# clipboard
-nix = { version = "0.29.0", optional = true, features = ["event", "fs"] }
-
 # clock
 chrono = { version = "0.4.39", optional = true, default-features = false, features = ["clock", "unstable-locales"] }
 
+# keys
+input = { version = "0.9.1", optional = true }
+evdev-rs = { version = "0.6.1", optional = true }
+libc = { version = "0.2.164", optional = true }
+
 # music
 mpd-utils = { version = "0.2.1", optional = true }
 mpris = { version = "2.0.1", optional = true }
@@ -163,6 +168,7 @@ futures-util = { version = "0.3.31", optional = true }
 
 # shared
 futures-lite = { version = "2.5.0", optional = true } # network_manager, upower, workspaces
+nix = { version = "0.29.0", optional = true, features = ["event", "fs", "poll"] } # clipboard, input
 regex = { version = "1.11.1", default-features = false, features = [
   "std",
 ], optional = true } # music, sys_info

docs/Compiling.md

@@ -26,6 +26,8 @@ pacman -S openssl
 pacman -S libdbusmenu-gtk3
 # for volume support
 pacman -S libpulse
+# for keys support
+pacman -S libinput
 # for lua/cairo support
 pacman -S luajit lua51-lgi
 ```
@@ -40,6 +42,8 @@ apt install libssl-dev
 apt install libdbusmenu-gtk3-dev
 # for volume support
 apt install libpulse-dev
+# for keys support
+apt install libinput-dev
 # for lua/cairo support
 apt install luajit-dev lua-lgi
 ```
@@ -54,6 +58,8 @@ dnf install openssl-devel
 dnf install libdbusmenu-gtk3-devel
 # for volume support
 dnf install pulseaudio-libs-devel
+# for keys support
+dnf install libinput-devel
 # for lua/cairo support
 dnf install luajit-devel lua-lgi
 ```

docs/modules/Keys.md

@@ -0,0 +1,102 @@
+> [!NOTE]
+> This module requires your user is in the `input` group.
+
+Displays the toggle state of the capslock, num lock and scroll lock keys.
+
+![Screenshot of clock widget with popup open](https://f.jstanger.dev/github/ironbar/keys.png)
+
+## Configuration
+
+> Type: `keys`
+
+| Name               | Type                        | Default | Description                                      |
+|--------------------|-----------------------------|---------|--------------------------------------------------|
+| `show_caps`        | `boolean`                   | `true`  | Whether to show capslock indicator.              |
+| `show_num`         | `boolean`                   | `true`  | Whether to show num lock indicator.              |
+| `show_scroll`      | `boolean`                   | `true`  | Whether to show scroll lock indicator.           |
+| `icon_size`        | `integer`                   | `32`    | Size to render icon at (image icons only).       |
+| `icons.caps_on`    | `string` or [image](images) | `󰪛`    | Icon to show for enabled capslock indicator.     |
+| `icons.caps_off`   | `string` or [image](images) | `''`    | Icon to show for disabled capslock indicator.    |
+| `icons.num_on`     | `string` or [image](images) | ``     | Icon to show for enabled num lock indicator.     |
+| `icons.num_off`    | `string` or [image](images) | `''`    | Icon to show for disabled num lock indicator.    |
+| `icons.scroll_on`  | `string` or [image](images) | ``     | Icon to show for enabled scroll lock indicator.  |
+| `icons.scroll_off` | `string` or [image](images) | `''`    | Icon to show for disabled scroll lock indicator. |
+| `seat`             | `string`                    | `seat0` | ID of the Wayland seat to attach to.             |
+
+<details>
+<summary>JSON</summary>
+
+```json
+{
+  "end": [
+    {
+      "type": "keys",
+      "show_scroll": false,
+      "icons": {
+        "caps_on": "󰪛"
+      }
+    }
+  ]
+}
+```
+
+</details>
+
+<details>
+<summary>TOML</summary>
+
+```toml
+[[end]]
+type = "keys"
+show_scroll = false
+
+[end.icons]
+caps_on = "󰪛"
+```
+
+</details>
+
+<details>
+<summary>YAML</summary>
+
+```yaml
+end:
+  - type: keys
+    show_scroll: false
+    icons:
+      caps_on: 󰪛
+```
+
+</details>
+
+<details>
+<summary>Corn</summary>
+
+```corn
+{
+end = [ 
+        { 
+            type = "keys" 
+            show_scroll = false 
+            icons.caps_on = "󰪛" 
+        }
+    ]
+}
+```
+
+</details>
+
+## Styling
+
+| Selector               | Description                                |
+|------------------------|--------------------------------------------|
+| `.keys`                | Keys box container widget.                 |
+| `.keys .key`           | Individual key indicator container widget. |
+| `.keys .key.enabled`   | Key indicator where key is toggled on.     |
+| `.keys .key.caps`      | Capslock key indicator.                    |
+| `.keys .key.num`       | Num lock key indicator.                    |
+| `.keys .key.scroll`    | Scroll lock key indicator.                 |
+| `.keys .key.image`     | Key indicator image icon.                  |
+| `.keys .key.text-icon` | Key indicator textual icon.                |
+
+For more information on styling, please see the [styling guide](styling-guide).

docs/modules/Music.md

@@ -33,8 +33,6 @@ in MPRIS mode, the widget will listen to all players and automatically detect/di
 | `host`                | `string`                                             | `localhost:6600`     | [MPD Only] TCP or Unix socket for the MPD server.                                                                                                     |
 | `music_dir`           | `string`                                             | `$HOME/Music`        | [MPD Only] Path to MPD server's music directory on disc. Required for album art.                                                                      |
 
-See [here](images) for information on images.
-
 <details>
 <summary>JSON</summary>