Initial commit

.gitignore

@@ -9,13 +9,3 @@ Cargo.lock
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
-
-# MSVC Windows builds of rustc generate these, which store debugging information
-*.pdb
-
-# RustRover
-#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
-#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
-#  and can be added to the global gitignore or merged into this file.  For a more nuclear
-#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
-#.idea/

Cargo.toml

@@ -0,0 +1,31 @@
+[package]
+name = "cosmic-ext-applet-sysinfo"
+version = "0.1.0"
+edition = "2021"
+license = "GPL-3.0"
+authors = ["rwxroot <[email protected]>"]
+homepage = "https://github.com/rwxroot/cosmic-ext-applet-sysinfo/"
+repository = "https://github.com/rwxroot/cosmic-ext-applet-sysinfo.git"
+
+[profile.release]
+lto = "fat"
+
+[dependencies]
+sysinfo = { version = "0.33.1", default-features = false, features = [
+	"system",
+	"network",
+] }
+
+tracing = "0.1"
+tracing-log = "0.2.0"
+tracing-subscriber = { version = "0.3", default-features = false, features = [
+	"fmt",
+	"env-filter",
+	"ansi",
+] }
+
+libcosmic = { git = "https://github.com/pop-os/libcosmic", default-features = false, features = [
+	"applet",
+	"tokio",
+	"wayland",
+] }

README.md

@@ -0,0 +1,15 @@
+# Simple system info applet for cosmic
+
+<p align="center">
+    <img alt="Applet Screenshot" src="https://github.com/rwxroot/cosmic-ext-applet-sysinfo/blob/main/extra/applet_screenshot.png">
+</p>
+
+## Install
+
+```sh
+sudo apt install libxkbcommon-dev
+git clone https://github.com/rwxroot/cosmic-ext-applet-sysinfo.git
+cd cosmic-ext-applet-sysinfo
+just build
+sudo just install
+```

extra/applet_sysinfo.desktop

@@ -0,0 +1,13 @@
+[Desktop Entry]
+Name=Simple System Monitor
+Keywords=Cosmic;Iced;
+Categories=Cosmic;Iced;
+
+Type=Application
+Icon=io.github.rwxroot.cosmic-ext-applet-sysinfo-symbolic
+Exec=cosmic-ext-applet-sysinfo
+Terminal=false
+StartupNotify=true
+NoDisplay=true
+X-CosmicApplet=true
+X-CosmicHoverPopup=Auto

justfile

@@ -0,0 +1,27 @@
+default: build
+
+build:
+	cargo build --release
+
+export NAME := 'cosmic-ext-applet-sysinfo'
+export APPID := 'io.github.rwxroot.' + NAME
+
+cargo-target-dir := env('CARGO_TARGET_DIR', 'target')
+bin-src := cargo-target-dir / 'release' / NAME
+
+base-dir := '/usr'
+share-dst := base-dir / 'share'
+
+bin-dst := base-dir / 'bin' / NAME
+desktop-dst := share-dst / 'applications' / APPID + '.desktop'
+icon-dst := share-dst / 'icons/hicolor/scalable/apps' / APPID + '-symbolic.svg'
+
+install:
+	install -Dm0755 {{ bin-src }} {{ bin-dst }}
+	install -Dm0644 extra/applet_icon.svg {{ icon-dst }}
+	install -Dm0644 extra/applet_sysinfo.desktop {{ desktop-dst }}
+
+uninstall:
+	rm {{ bin-dst }}
+	rm {{ icon-dst }}
+	rm {{ desktop-dst }}

src/applet.rs

@@ -0,0 +1,137 @@
+use std::time::Duration;
+
+use cosmic::{
+    app,
+    iced::{
+        widget::{row, text},
+        Alignment, Subscription,
+    },
+    widget::{autosize, button},
+    Element,
+};
+use sysinfo::{CpuRefreshKind, MemoryRefreshKind, Networks, RefreshKind, System};
+
+pub fn run() -> cosmic::iced::Result {
+    cosmic::applet::run::<SysInfo>(())
+}
+
+struct SysInfo {
+    core: cosmic::app::Core,
+    system: System,
+    networks: Networks,
+    pub cpu_usage: f32,
+    pub ram_usage: u64,
+    pub download_speed: f64,
+    pub upload_speed: f64,
+}
+
+impl SysInfo {
+    fn update(&mut self) {
+        self.system.refresh_specifics(
+            RefreshKind::nothing()
+                .with_memory(MemoryRefreshKind::nothing().with_ram())
+                .with_cpu(CpuRefreshKind::nothing().with_cpu_usage()),
+        );
+
+        self.networks.refresh(true);
+
+        self.cpu_usage = self.system.global_cpu_usage();
+        self.ram_usage = (self.system.used_memory() * 100) / self.system.total_memory();
+
+        let mut upload = 0;
+        let mut download = 0;
+
+        for (_, data) in self.networks.iter() {
+            upload += data.transmitted();
+            download += data.received();
+        }
+
+        self.upload_speed = (upload as f64) / 1_000_000.0;
+        self.download_speed = (download as f64) / 1_000_000.0;
+    }
+}
+
+#[derive(Debug, Clone)]
+pub enum Message {
+    Tick,
+}
+
+impl cosmic::Application for SysInfo {
+    type Flags = ();
+    type Message = Message;
+    type Executor = cosmic::SingleThreadExecutor;
+
+    const APP_ID: &'static str = "io.github.rwxroot.cosmic-ext-applet-sysinfo";
+
+    fn init(
+        core: app::Core,
+        _flags: Self::Flags,
+    ) -> (Self, cosmic::iced::Task<app::Message<Self::Message>>) {
+        let system = System::new_with_specifics(
+            RefreshKind::nothing()
+                .with_memory(MemoryRefreshKind::nothing().with_ram())
+                .with_cpu(CpuRefreshKind::nothing().with_cpu_usage()),
+        );
+
+        let networks = Networks::new();
+
+        (
+            Self {
+                core,
+                system,
+                networks,
+                cpu_usage: 0.0,
+                ram_usage: 0,
+                download_speed: 0.00,
+                upload_speed: 0.00,
+            },
+            cosmic::iced::Task::none(),
+        )
+    }
+
+    fn core(&self) -> &cosmic::app::Core {
+        &self.core
+    }
+
+    fn core_mut(&mut self) -> &mut cosmic::app::Core {
+        &mut self.core
+    }
+
+    fn subscription(&self) -> Subscription<Message> {
+        cosmic::iced::time::every(Duration::from_secs(2)).map(|_| Message::Tick)
+    }
+
+    fn update(&mut self, message: Message) -> cosmic::iced::Task<app::Message<Self::Message>> {
+        match message {
+            Message::Tick => {
+                self.update();
+            }
+        }
+
+        cosmic::iced::Task::none()
+    }
+
+    fn view(&self) -> Element<Message> {
+        let content = {
+            row![
+                text(format!("C: {:.0}%", self.cpu_usage)),
+                text(format!("R: {}%", self.ram_usage)),
+                text(format!(
+                    "N: ↓{:.2}MB/s ↑{:.2}MB/s",
+                    self.download_speed, self.upload_speed
+                )),
+            ]
+            .spacing(8)
+            .align_y(Alignment::Center)
+        };
+
+        let button = button::custom(content)
+            .padding([
+                self.core.applet.suggested_padding(false),
+                self.core.applet.suggested_padding(false),
+            ])
+            .class(cosmic::theme::Button::AppletIcon);
+
+        autosize::autosize(button, cosmic::widget::Id::unique()).into()
+    }
+}

src/lib.rs

@@ -0,0 +1,5 @@
+pub mod applet;
+
+pub fn run() -> cosmic::iced::Result {
+    applet::run()
+}

src/main.rs

@@ -0,0 +1,8 @@
+fn main() -> cosmic::iced::Result {
+    tracing_subscriber::fmt::init();
+    let _ = tracing_log::LogTracer::init();
+
+    tracing::info!("Starting sysinfo applet");
+
+    cosmic_ext_applet_sysinfo::run()
+}