initial mockup

.gitignore

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+/target
+/Cargo.lock

Cargo.toml

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+[package]
+name = "youtube-dl-gtk"
+version = "0.1.0"
+authors = ["Max Bradbury <max@tinybird.info>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+gio = "^0"
+gtk = "^0"

src/main.rs

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+use gio::prelude::*;
+use gtk::prelude::*;
+use std::env::args;
+use gtk::Orientation;
+
+const SPACING: i32 = 16;
+
+fn build_ui(application: &gtk::Application) {
+    let window = gtk::ApplicationWindow::new(application);
+
+    window.set_title("youtube-dl");
+    window.set_border_width(10);
+    window.set_position(gtk::WindowPosition::Center);
+    window.set_default_size(400, 100);
+
+    let vertical = gtk::Box::new(Orientation::Vertical, SPACING);
+    let url = gtk::Entry::new();
+    let horizontal = gtk::Box::new(Orientation::Horizontal, SPACING);
+    let convert_to_mp3 = gtk::CheckButton::with_label("convert to mp3");
+    let button = gtk::Button::with_label("Go!");
+
+    url.set_placeholder_text(Some("Enter URL here"));
+
+    horizontal.set_spacing(SPACING);
+    horizontal.set_homogeneous(true);
+
+    window.add(&vertical);
+
+    vertical.add(&url);
+    vertical.add(&horizontal);
+
+    horizontal.add(&convert_to_mp3);
+    horizontal.add(&button);
+
+    window.show_all();
+}
+
+fn main() {
+    let application = gtk::Application::new(
+        Some("dev.tinybird.max.youtube-dl-gtk"),
+        Default::default()
+    ).expect("Initialization failed...");
+
+    application.connect_activate(|app| {
+        build_ui(app);
+    });
+
+    application.run(&args().collect::<Vec<_>>());
+}