apparently this is needed for windows support (although I have not managed to cross-compile to windows yet)

README.md

@@ -0,0 +1,18 @@
+# youtube-dl-gtk
+
+a simple graphical frontend for the `youtube-dl` media downloader.
+
+really just an experiment in creating my first desktop program, so don't expect too much.
+
+uses `gtk-rs`. released under the MIT license.
+
+## features
+
+download from any media source that `youtube-dl` supports (e.g. soundcloud, mixcloud, etc.)
+
+extract audio and convert to mp3 
+
+## known problems
+
+will hang after clicking "go!" due to `youtube-dl` being executed in the same thread. 
+there is no user feedback so this basically looks like the program crashing. 

src/main.rs

@@ -1,6 +1,8 @@
+#![windows_subsystem = "windows"]
+
 use gio::prelude::*;
 use gtk::prelude::*;
-use gtk::Orientation;
+use gtk::{Orientation, InputPurpose};
 use std::env::args;
 use std::process::Command;
 
@@ -21,7 +23,8 @@ fn build_ui(application: &gtk::Application) {
     let button = gtk::Button::with_label("Go!");
 
     input_url.set_placeholder_text(Some("Enter URL here"));
-
+    input_url.set_input_purpose(InputPurpose::Url);
+    
     horizontal.set_homogeneous(true);
 
     window.add(&vertical);