use std::rc::{Rc, Weak}; use std::cell::RefCell; #[cfg(unix)] use nvim::RepaintMode; use shell::Shell; #[cfg(unix)] use gio; #[cfg(unix)] use gio::SettingsExt; #[derive(PartialEq)] pub enum FontSource { Rpc, #[cfg(unix)] Gnome, Default, } struct State { font_source: FontSource, #[cfg(unix)] gnome_interface_settings: gio::Settings, } impl State { #[cfg(unix)] pub fn new() -> State { State { font_source: FontSource::Default, gnome_interface_settings: gio::Settings::new("org.gnome.desktop.interface"), } } #[cfg(target_os = "windows")] pub fn new() -> State { State { font_source: FontSource::Default } } #[cfg(unix)] fn update_font(&mut self, shell: &mut Shell) { // rpc is priority for font if self.font_source == FontSource::Rpc { return; } if let Some(ref font_name) = self.gnome_interface_settings .get_string("monospace-font-name") { shell.set_font_desc(font_name); self.font_source = FontSource::Gnome; } } } pub struct Settings { shell: Option>>, state: Rc>, } impl Settings { pub fn new() -> Settings { Settings { shell: None, state: Rc::new(RefCell::new(State::new())), } } pub fn set_shell(&mut self, shell: Weak>) { self.shell = Some(shell); } #[cfg(unix)] pub fn init(&mut self) { let shell = Weak::upgrade(self.shell.as_ref().unwrap()).unwrap(); let state = self.state.clone(); self.state.borrow_mut().update_font(&mut *shell.borrow_mut()); self.state .borrow() .gnome_interface_settings .connect_changed(move |_, _| monospace_font_changed(&mut *shell.borrow_mut(), &mut *state.borrow_mut())); } #[cfg(target_os = "windows")] pub fn init(&mut self) {} pub fn set_font_source(&mut self, src: FontSource) { self.state.borrow_mut().font_source = src; } } #[cfg(unix)] fn monospace_font_changed(mut shell: &mut Shell, state: &mut State) { // rpc is priority for font if state.font_source != FontSource::Rpc { state.update_font(&mut shell); shell.redraw(&RepaintMode::All); } }