implement upower module

Cargo.toml

@@ -14,10 +14,11 @@ default = [
     "music+all",
     "sys_info",
     "tray",
+    "upower",
     "workspaces+all"
 ]
-
 http = ["dep:reqwest"]
+upower = ["upower_dbus", "zbus", "futures-lite"]
 
 "config+all" = ["config+json", "config+yaml", "config+toml", "config+corn"]
 "config+json" = ["universal-config/json"]
@@ -88,6 +89,11 @@ sysinfo = { version = "0.28.4", optional = true }
 # tray
 stray = { version = "0.1.3", optional = true }
 
+# upower
+upower_dbus = { version = "0.3.2", optional = true }
+futures-lite = { version = "1.12.0", optional = true }
+zbus = { version = "3.11.0", optional = true }
+
 # workspaces
 swayipc-async = { version = "2.0.1", optional = true }
 hyprland = { version = "0.3.1", optional = true }

docs/modules/Upower.md

@@ -0,0 +1,80 @@
+Displays system power information such as the battery percentage, and estimated time to empty.
+
+`TODO: ADD SCREENSHOT`
+
+[//]: # (![Screenshot](https://user-images.githubusercontent.com/5057870/184540521-2278bdec-9742-46f0-9ac2-58a7b6f6ea1d.png))
+
+
+## Configuration
+
+> Type: `upower`
+
+| Name     | Type     | Default         | Description                                       |
+|----------|----------|-----------------|---------------------------------------------------|
+| `format` | `string` | `{percentage}%` | Format string to use for the widget button label. |
+
+<details>
+<summary>JSON</summary>
+
+```json
+{
+  "end": [
+    {
+      "type": "upower",
+      "format": "{percentage}%"
+    }
+  ]
+}
+
+```
+
+</details>
+
+<details>
+<summary>TOML</summary>
+
+```toml
+[[end]]
+type = "upower"
+format = "{percentage}%"
+```
+
+</details>
+
+<details>
+<summary>YAML</summary>
+
+```yaml
+end:
+  - type: "upower"
+    format: "{percentage}%"
+```
+
+</details>
+
+<details>
+<summary>Corn</summary>
+
+```corn
+{
+  end = [
+    {
+      type = "upower"
+      format = "{percentage}%"
+    }
+  ]
+}
+```
+
+</details>
+
+## Styling
+
+| Selector                        | Description                 |
+|---------------------------------|-----------------------------|
+| `#upower`                       | Upower widget container.    |
+| `#upower #icon`                 | Upower widget battery icon. |
+| `#upower #button`               | Upower widget button.       |
+| `#upower #button #label`        | Upower widget button label. |
+| `#popup-upower`                 | Clock popup box.            |
+| `#popup-upower #upower-details` | Label inside the popup.     |

src/bar.rs

@@ -223,6 +223,8 @@ fn add_modules(
             ModuleConfig::SysInfo(mut module) => add_module!(module, id),
             #[cfg(feature = "tray")]
             ModuleConfig::Tray(mut module) => add_module!(module, id),
+            #[cfg(feature = "upower")]
+            ModuleConfig::Upower(mut module) => add_module!(module, id),
             #[cfg(feature = "workspaces")]
             ModuleConfig::Workspaces(mut module) => add_module!(module, id),
         }

src/clients/mod.rs

@@ -6,4 +6,6 @@ pub mod compositor;
 pub mod music;
 #[cfg(feature = "tray")]
 pub mod system_tray;
+#[cfg(feature = "upower")]
+pub mod upower;
 pub mod wayland;

src/clients/upower.rs

@@ -0,0 +1,40 @@
+use async_once::AsyncOnce;
+use lazy_static::lazy_static;
+use std::sync::Arc;
+use upower_dbus::UPowerProxy;
+use zbus::fdo::PropertiesProxy;
+
+lazy_static! {
+    static ref DISPLAY_PROXY: AsyncOnce<Arc<PropertiesProxy<'static>>> = AsyncOnce::new(async {
+        let dbus = zbus::Connection::system()
+            .await
+            .expect("failed to create connection to system bus");
+
+        let device_proxy = UPowerProxy::new(&dbus)
+            .await
+            .expect("failed to create upower proxy");
+
+        let display_device = device_proxy
+            .get_display_device()
+            .await
+            .unwrap_or_else(|_| panic!("failed to get display device for {device_proxy:?}"));
+
+        let path = display_device.path().to_owned();
+
+        let proxy = PropertiesProxy::builder(&dbus)
+            .destination("org.freedesktop.UPower")
+            .expect("failed to set proxy destination address")
+            .path(path)
+            .expect("failed to set proxy path")
+            .cache_properties(zbus::CacheProperties::No)
+            .build()
+            .await
+            .expect("failed to build proxy");
+
+        Arc::new(proxy)
+    });
+}
+
+pub async fn get_display_proxy() -> &'static PropertiesProxy<'static> {
+    DISPLAY_PROXY.get().await
+}

src/config/mod.rs

@@ -16,6 +16,8 @@ use crate::modules::script::ScriptModule;
 use crate::modules::sysinfo::SysInfoModule;
 #[cfg(feature = "tray")]
 use crate::modules::tray::TrayModule;
+#[cfg(feature = "upower")]
+use crate::modules::upower::UpowerModule;
 #[cfg(feature = "workspaces")]
 use crate::modules::workspaces::WorkspacesModule;
 use crate::script::ScriptInput;
@@ -57,6 +59,8 @@ pub enum ModuleConfig {
     SysInfo(Box<SysInfoModule>),
     #[cfg(feature = "tray")]
     Tray(Box<TrayModule>),
+    #[cfg(feature = "upower")]
+    Upower(Box<UpowerModule>),
     #[cfg(feature = "workspaces")]
     Workspaces(Box<WorkspacesModule>),
 }

src/modules/mod.rs

@@ -19,6 +19,8 @@ pub mod script;
 pub mod sysinfo;
 #[cfg(feature = "tray")]
 pub mod tray;
+#[cfg(feature = "upower")]
+pub mod upower;
 #[cfg(feature = "workspaces")]
 pub mod workspaces;