diff options
| -rw-r--r-- | src/gui.rs | 11 |
1 files changed, 6 insertions, 5 deletions
@@ -1,5 +1,6 @@ use gtk; use gtk::prelude::*; +use std::cell::Cell; const GUI_XML: &'static str = r#" <interface> @@ -16,7 +17,8 @@ const GUI_XML: &'static str = r#" pub fn start_gui() -> Result<(), String> { let pa = try!(::audio::init().map_err(|e| e.to_string())); let microphones = try!(::audio::get_device_list(&pa).map_err(|e| e.to_string())); - + let selected_mic: Cell<Option<u32>> = Cell::new(None); + try!(gtk::init().map_err(|_| "Failed to initialize GTK.")); let gtk_builder = try!(create_window(microphones)); @@ -25,10 +27,9 @@ pub fn start_gui() -> Result<(), String> { gtk_builder.get_object("dropdown") .ok_or("GUI does not contain an object with id 'dropdown'") ); - dropdown.connect_changed(|ref dropdown| { - println!("{}", dropdown.get_active_id().unwrap()); - //This callback can now mutate state on the same level as our - //other logic to get the list of microphones + dropdown.connect_changed(move |dropdown: >k::ComboBoxText| { + selected_mic.set(dropdown.get_active_id().and_then(|id| id.parse().ok())); + println!("{}", selected_mic.get().unwrap()); }); gtk::main(); |