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+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
+
+[[package]]
+name = "version-compare"
+version = "0.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c18c859eead79d8b95d09e4678566e8d70105c4e7b251f707a03df32442661b"
+
+[[package]]
+name = "version_check"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..4c0d4b6
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,16 @@
+[package]
+name = "polytree-settings"
+version = "0.0.0"
+authors = ["Alex Kotov <kotovalexarian@gmail.com>"]
+edition = "2021"
+description = "Polytree settings"
+readme = false
+homepage = "https://github.com/PolytreeWM/polytree-settings"
+repository = "https://github.com/PolytreeWM/polytree-settings.git"
+license = "MIT"
+keywords = ["gui"]
+categories = ["gui"]
+publish = true
+
+[dependencies]
+gtk = "0.14.3"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..66f89f0
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,27 @@
+use gtk::prelude::*;
+use gtk::*;
+
+static ID: &str = "com.causa-arcana.polytree.polytree-session";
+
+fn main() {
+    let app = Application::builder().application_id(ID).build();
+
+    app.connect_activate(build_ui);
+
+    app.run();
+}
+
+fn build_ui(app: &Application) {
+    let window = ApplicationWindow::new(app);
+
+    window.set_title("Polytree settings");
+    window.set_border_width(10);
+    window.set_position(WindowPosition::Center);
+    window.set_default_size(350, 70);
+
+    let button = Button::with_label("Press me!");
+
+    window.add(&button);
+
+    window.show_all();
+}