add example plugin

should be working now
add plugins to sidebar
add plugin system base
Create function signatures for plugins
Update crates

better_test_plugin/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "better_test_plugin"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate-type = ["dylib"]
+
+[dependencies]
+re_set-lib = { git = "https://github.com/Xetibo/ReSet-Lib" }
+gtk = { version = "0.8.1", package = "gtk4", features = ["v4_12"] }
+dbus = "0.9.7"
+glib = "0.19.3"

better_test_plugin/src/lib.rs

@@ -0,0 +1,84 @@
+use std::sync::Arc;
+use std::time::Duration;
+
+use dbus::blocking::Connection;
+use dbus::Error;
+use gtk::{gio, Orientation};
+use gtk::prelude::{BoxExt, ButtonExt};
+use re_set_lib::utils::plugin::{PluginCapabilities, PluginImplementation, PluginTestFunc, SidebarInfo};
+
+pub const BASE: &str = "org.Xetibo.ReSet.Daemon";
+pub const DBUS_PATH: &str = "/org/Xebito/ReSet/Plugins/test";
+pub const INTERFACE: &str = "org.Xetibo.ReSet.TestPlugin";
+
+#[no_mangle]
+#[allow(improper_ctypes_definitions)]
+pub extern "C" fn capabilities() -> PluginCapabilities {
+    println!("frontend capabilities called");
+    PluginCapabilities::new(vec!["frontend test"], PluginImplementation::Frontend)
+}
+
+#[no_mangle]
+pub extern "C" fn frontend_startup() {
+    println!("frontend startup called");
+}
+
+#[no_mangle]
+pub extern "C" fn frontend_shutdown() {
+    println!("frontend shutdown called");
+}
+
+#[no_mangle]
+#[allow(improper_ctypes_definitions)]
+pub extern "C" fn frontend_data() -> (SidebarInfo, Vec<gtk::Box>) {
+    println!("frontend data called");
+    let info = SidebarInfo {
+        name: "test",
+        icon_name: "microphone-disabled-symbolic",
+        parent: None,
+    };
+    let box1 = gtk::Box::builder().orientation(Orientation::Vertical).build();
+    let box2 = gtk::Box::builder().orientation(Orientation::Horizontal).build();
+
+    let label = Arc::new(LabelWrapper {
+        label: gtk::Label::builder().label("Hello, World!").build(),
+    });
+
+    let label2 = gtk::Label::builder().label("Bye, World!").build();
+    let button = gtk::Button::builder().label("Click me!").build();
+    box1.append(&label.label);
+    box2.append(&label2);
+    box2.append(&button);
+
+    button.connect_clicked(move |_| {
+        let label = Arc::clone(&label);
+        gio::spawn_blocking(move || {
+            let conn = Connection::new_session().unwrap();
+            let proxy = conn.with_proxy(BASE, DBUS_PATH, Duration::from_millis(1000));
+            let res: Result<(String, u32), Error> = proxy.method_call(INTERFACE, "Test", ());
+            let (text, age) = res.unwrap();
+            label.label.set_text(&format!("Name: {}, Age: {}", text, age));
+        });
+    });
+
+    let boxes = vec![
+        box1, box2,
+    ];
+
+    (info, boxes)
+}
+
+#[no_mangle]
+#[allow(improper_ctypes_definitions)]
+pub extern "C" fn frontend_tests() -> Vec<PluginTestFunc> {
+    println!("frontend tests called");
+    vec![]
+}
+
+pub struct LabelWrapper {
+    label: gtk::Label,
+}
+
+unsafe impl Send for LabelWrapper {}
+
+unsafe impl Sync for LabelWrapper {}