Start work on graphics applet

Cargo.lock

@@ -218,6 +218,17 @@ dependencies = [
  "cache-padded",
 ]
 
+[[package]]
+name = "cosmic-applet-graphics"
+version = "0.1.0"
+dependencies = [
+ "gtk4",
+ "once_cell",
+ "relm4-macros",
+ "tokio",
+ "zbus",
+]
+
 [[package]]
 name = "cosmic-applet-network"
 version = "0.1.0"

Cargo.toml

@@ -29,4 +29,4 @@ zvariant = "3"
 layer-shell = ["gdk4-wayland", "libcosmic/layer-shell"]
 
 [workspace]
-members = ["applets/cosmic-applet-network"]
+members = ["applets/cosmic-applet-graphics", "applets/cosmic-applet-network"]

applets/cosmic-applet-graphics/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "cosmic-applet-graphics"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+gtk4 = "0.4.6"
+once_cell = "1.9.0"
+relm4-macros = "0.4.2"
+tokio = { version = "1.16.1", features = ["full"] }
+zbus = "2.1.1"

applets/cosmic-applet-graphics/src/dbus.rs

@@ -0,0 +1,75 @@
+//! # DBus interface proxy for: `com.system76.PowerDaemon`
+//!
+//! This code was generated by `zbus-xmlgen` `2.0.1` from DBus introspection data.
+//! Source: `Interface '/com/system76/PowerDaemon' from service 'com.system76.PowerDaemon' on system bus`.
+//!
+//! You may prefer to adapt it, instead of using it verbatim.
+//!
+//! More information can be found in the
+//! [Writing a client proxy](https://dbus.pages.freedesktop.org/zbus/client.html)
+//! section of the zbus documentation.
+//!
+//! This DBus object implements
+//! [standard DBus interfaces](https://dbus.freedesktop.org/doc/dbus-specification.html),
+//! (`org.freedesktop.DBus.*`) for which the following zbus proxies can be used:
+//!
+//! * [`zbus::fdo::IntrospectableProxy`]
+//!
+//! …consequently `zbus-xmlgen` did not generate code for the above interfaces.
+
+use zbus::dbus_proxy;
+
+#[dbus_proxy(interface = "com.system76.PowerDaemon")]
+trait PowerDaemon {
+    /// Balanced method
+    fn balanced(&self) -> zbus::Result<()>;
+
+    /// Battery method
+    fn battery(&self) -> zbus::Result<()>;
+
+    /// GetChargeProfiles method
+    fn get_charge_profiles(
+        &self,
+    ) -> zbus::Result<Vec<std::collections::HashMap<String, zbus::zvariant::OwnedValue>>>;
+
+    /// GetChargeThresholds method
+    fn get_charge_thresholds(&self) -> zbus::Result<(u8, u8)>;
+
+    /// GetDefaultGraphics method
+    fn get_default_graphics(&self) -> zbus::Result<String>;
+
+    /// GetExternalDisplaysRequireDGPU method
+    fn get_external_displays_require_dgpu(&self) -> zbus::Result<bool>;
+
+    /// GetGraphics method
+    fn get_graphics(&self) -> zbus::Result<String>;
+
+    /// GetGraphicsPower method
+    fn get_graphics_power(&self) -> zbus::Result<bool>;
+
+    /// GetProfile method
+    fn get_profile(&self) -> zbus::Result<String>;
+
+    /// GetSwitchable method
+    fn get_switchable(&self) -> zbus::Result<bool>;
+
+    /// Performance method
+    fn performance(&self) -> zbus::Result<()>;
+
+    /// SetChargeThresholds method
+    fn set_charge_thresholds(&self, thresholds: &(u8, u8)) -> zbus::Result<()>;
+
+    /// SetGraphics method
+    fn set_graphics(&self, vendor: &str) -> zbus::Result<()>;
+
+    /// SetGraphicsPower method
+    fn set_graphics_power(&self, power: bool) -> zbus::Result<()>;
+
+    /// HotPlugDetect signal
+    #[dbus_proxy(signal)]
+    fn hot_plug_detect(&self, port: u64) -> zbus::Result<()>;
+
+    /// PowerProfileSwitch signal
+    #[dbus_proxy(signal)]
+    fn power_profile_switch(&self, profile: &str) -> zbus::Result<()>;
+}

applets/cosmic-applet-graphics/src/main.rs

@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+#[macro_use]
+extern crate relm4_macros;
+
+pub mod dbus;
+use gtk4::{gio::ApplicationFlags, prelude::*, Orientation};
+use once_cell::sync::Lazy;
+use tokio::runtime::Runtime;
+
+static RT: Lazy<Runtime> = Lazy::new(|| Runtime::new().expect("failed to build tokio runtime"));
+
+fn main() {
+    let application = gtk4::Application::new(
+        Some("com.system76.cosmic.applets.graphics"),
+        ApplicationFlags::default(),
+    );
+    application.connect_activate(build_ui);
+    application.run();
+}
+
+fn build_ui(application: &gtk4::Application) {
+    let window = gtk4::ApplicationWindow::builder()
+        .application(application)
+        .title("COSMIC Graphics Applet")
+        .default_width(400)
+        .default_height(300)
+        .build();
+
+    view! {
+        main_box = gtk4::Box {
+            set_orientation: Orientation::Vertical,
+            set_spacing: 10,
+            set_margin_top: 20,
+            set_margin_bottom: 20,
+            set_margin_start: 24,
+            set_margin_end: 24
+        }
+    }
+
+    window.show();
+}