Update

Cargo.toml

@@ -24,7 +24,7 @@ serde_derive = "^1.0.9"
 toml = "^0.4.2"
 which = "*"
 xdg = "*"
-libnotify = { path = "3rdparty/rust-libnotify" }
+libnotify = { path = "3rdparty/rust-libnotify", optional = true }
 
 [dependencies.gtk]
 git = "https://github.com/gtk-rs/gtk.git"
@@ -45,3 +45,6 @@ codegen-units = 1  # controls whether the compiler passes `-C codegen-units`
                    # `codegen-units` is ignored when `lto = true`
 panic = 'unwind'   # panic strategy (`-C panic=...`), can also be 'abort'
 
+
+[features]
+notify = ["libnotify"]

src/alsa_card.rs

@@ -262,17 +262,17 @@ extern "C" fn watch_cb(chan: *mut glib_sys::GIOChannel,
             glib_sys::G_IO_STATUS_AGAIN => {
                 debug!("G_IO_STATUS_AGAIN");
                 continue;
-            },
+            }
             // TODO: handle these failure cases
             glib_sys::G_IO_STATUS_NORMAL => {
                 error!("Alsa failed to clear the channel");
                 cb(AlsaEvent::AlsaCardError);
-            },
+            }
             glib_sys::G_IO_STATUS_ERROR => (),
             glib_sys::G_IO_STATUS_EOF => {
                 error!("GIO error has occurred");
                 cb(AlsaEvent::AlsaCardError);
-            },
+            }
             _ => warn!("Unknown status from g_io_channel_read_chars()"),
         }
         return true as glib_sys::gboolean;

src/app_state.rs

@@ -1,12 +1,12 @@
 use audio::Audio;
 use errors::*;
 use gtk;
-use notif;
 use prefs::*;
 use std::cell::RefCell;
-use std::rc::Rc;
 use ui_entry::Gui;
 
+#[cfg(feature = "notify")]
+use notif::*;
 
 // TODO: notify popups
 
@@ -19,6 +19,8 @@ pub struct AppS {
     pub gui: Gui,
     pub audio: Audio,
     pub prefs: RefCell<Prefs>,
+    #[cfg(feature = "notify")]
+    pub notif: Notif,
 }
 
 
@@ -42,14 +44,17 @@ impl AppS {
             .device_prefs
             .channel
             .clone();
-
+        // TODO: better error handling
-        // let notif = Notif::new(&prefs.borrow());
+        #[cfg(feature = "notify")]
+        let notif = Notif::new(&prefs.borrow()).unwrap();
 
         return AppS {
                    _cant_construct: (),
                    gui,
                    audio: Audio::new(Some(card_name), Some(chan_name)).unwrap(),
                    prefs,
+                   #[cfg(feature = "notify")]
+                   notif,
                };
     }
 

src/audio.rs

@@ -141,8 +141,8 @@ impl Audio {
         }
 
         // invoke_handlers(&self.handlers.borrow(),
-                        // AudioSignal::CardCleanedUp,
+        // AudioSignal::CardCleanedUp,
-                        // user);
+        // user);
         invoke_handlers(&self.handlers.borrow(),
                         AudioSignal::CardInitialized,
                         user);
@@ -341,12 +341,12 @@ fn on_alsa_event(last_action_timestamp: &mut i64,
             invoke_handlers(handlers,
                             self::AudioSignal::CardError,
                             self::AudioUser::Unknown);
-        },
+        }
         AlsaEvent::AlsaCardDiconnected => {
             invoke_handlers(handlers,
                             self::AudioSignal::CardDisconnected,
                             self::AudioUser::Unknown);
-        },
+        }
         AlsaEvent::AlsaCardValuesChanged => {
             invoke_handlers(handlers,
                             self::AudioSignal::ValuesChanged,

src/errors.rs

@@ -1,10 +1,11 @@
 use alsa;
-use glib;
-use libnotify;
 use std::convert::From;
 use std;
 use toml;
 
+#[cfg(feature = "notify")]
+use libnotify;
+
 
 
 error_chain! {
@@ -12,12 +13,13 @@ error_chain! {
         Alsa(alsa::Error);
         IO(std::io::Error);
         Toml(toml::de::Error);
-        Libnotify(libnotify::errors::Error);
+        Libnotify(libnotify::errors::Error) #[cfg(feature = "notify")];
     }
-
 }
 
 
+
+
 #[macro_export]
 macro_rules! try_w {
     ($expr:expr) => {
@@ -64,7 +66,7 @@ macro_rules! try_wr {
 macro_rules! try_r {
     ($expr:expr, $ret:expr) => (match $expr {
         ::std::result::Result::Ok(val) => val,
-        ::std::result::Result::Err(err) => {
+        ::std::result::Result::Err(_) => {
             return $ret;
         },
     });

src/main.rs

@@ -29,6 +29,8 @@ extern crate gtk_sys;
 extern crate libc;
 extern crate which;
 extern crate xdg;
+
+#[cfg(feature = "notify")]
 extern crate libnotify;
 
 use std::rc::Rc;
@@ -52,6 +54,8 @@ mod ui_popup_menu;
 mod ui_popup_window;
 mod ui_prefs_dialog;
 mod ui_tray_icon;
+
+#[cfg(feature = "notify")]
 mod notif;
 
 
@@ -63,19 +67,10 @@ use app_state::*;
 fn main() {
     gtk::init().unwrap();
 
+    // TODO: error handling
+    #[cfg(feature = "notify")]
     libnotify::init("PNMixer-rs").unwrap();
 
-    {
-        // Create a new notification and show it
-        let n = libnotify::Notification::new("Summary", Some("Optional Body"), None)
-            .unwrap();
-        n.show().unwrap();
-        // You can also use the .show() convenience method on the context
-        n.update("I am another notification", None, None).unwrap();
-        n.show().unwrap();
-        // we are done, deinit
-    }
-
     flexi_logger::LogOptions::new()
        .log_to_file(false)
        // ... your configuration options go here ...
@@ -87,5 +82,7 @@ fn main() {
     ui_entry::init(apps);
 
     gtk::main();
+
+    #[cfg(feature = "notify")]
     libnotify::uninit();
 }

src/notif.rs

@@ -30,7 +30,6 @@ pub struct Notif {
     from_popup: Cell<bool>,
     from_tray: Cell<bool>,
     // TODO: from hotkey
-
     from_external: Cell<bool>,
 
     volume_notif: libnotify::Notification,
@@ -58,18 +57,16 @@ impl Notif {
         let timeout = prefs.notify_prefs.notifcation_timeout;
 
         self.enabled.set(prefs.notify_prefs.enable_notifications);
-        self.enabled.set(prefs.notify_prefs.notify_popup);
+        self.from_popup.set(prefs.notify_prefs.notify_popup);
-        self.enabled.set(prefs.notify_prefs.notify_mouse_scroll);
+        self.from_tray.set(prefs.notify_prefs.notify_mouse_scroll);
-        self.enabled.set(prefs.notify_prefs.notify_external);
+        self.from_external.set(prefs.notify_prefs.notify_external);
 
-        self.volume_notif
+        self.volume_notif.set_notification_timeout(timeout as i32);
-            .set_notification_timeout(timeout as i32);
         self.volume_notif
             .set_hint("x-canonical-private-synchronous", Some("".to_variant()))?;
 
 
-        self.text_notif
+        self.text_notif.set_notification_timeout(timeout as i32);
-            .set_notification_timeout(timeout as i32);
         self.text_notif
             .set_hint("x-canonical-private-synchronous", Some("".to_variant()))?;
 
@@ -95,17 +92,19 @@ impl Notif {
                 VolLevel::Muted => String::from("Volume muted"),
                 _ => {
                     format!("{} ({})\nVolume: {}",
-                            audio.acard.borrow().card_name()?,
+                            audio.acard
-                            audio.acard.borrow().chan_name()?,
+                                .borrow()
+                                .card_name()?,
+                            audio.acard
+                                .borrow()
+                                .chan_name()?,
                             vol)
                 }
             }
         };
 
-        self.volume_notif
+        self.volume_notif.update(summary.as_str(), None, Some(icon))?;
-            .update(summary.as_str(), None, Some(icon))?;
+        self.volume_notif.set_hint("value", Some((vol as i32).to_variant()))?;
-        self.volume_notif
-            .set_hint("value", Some(vol.to_variant()))?;
         self.volume_notif.show()?;
 
         return Ok(());
@@ -113,8 +112,7 @@ impl Notif {
 
 
     pub fn show_text_notif(&self, summary: &str, body: &str) -> Result<()> {
-        self.text_notif
+        self.text_notif.update(summary, Some(body), None)?;
-            .update(summary, Some(body), None)?;
         self.text_notif.show()?;
 
         return Ok(());
@@ -124,25 +122,35 @@ impl Notif {
 
 
 pub fn init_notify(appstate: Rc<AppS>) {
+    debug!("Blah");
     {
         /* connect handler */
         let apps = appstate.clone();
-        let notif = try_e!(Notif::new(&apps.prefs.borrow()));
+        appstate.audio.connect_handler(Box::new(move |s, u| {
-        appstate.audio.connect_handler(
+            let notif = &apps.notif;
-            Box::new(move |s, u| match (s, u) {
+            if !notif.enabled.get() {
-                (AudioSignal::CardDisconnected, _) => (),
+                return;
-                (AudioSignal::CardError, _) => (),
+            }
-                (AudioSignal::ValuesChanged, AudioUser::TrayIcon) => {
+            match (s,
-                    try_w!(notif.show_volume_notif(&apps.audio))
+                   u,
-                },
+                   (notif.from_popup.get(),
+                    notif.from_tray.get(),
+                    notif.from_external.get())) {
+                (AudioSignal::CardDisconnected, _, _) => (),
+                (AudioSignal::CardError, _, _) => (),
+                (AudioSignal::ValuesChanged,
+                 AudioUser::TrayIcon,
+                 (_, true, _)) => try_w!(notif.show_volume_notif(&apps.audio)),
+                (AudioSignal::ValuesChanged,
+                 AudioUser::Popup,
+                 (true, _, _)) => try_w!(notif.show_volume_notif(&apps.audio)),
+                (AudioSignal::ValuesChanged,
+                 AudioUser::Unknown,
+                 (_, _, true)) => try_w!(notif.show_volume_notif(&apps.audio)),
+
                 _ => (),
-                }
+            }
-            )
+        }));
-        );
 
     }
 }
-
-
-
-

src/prefs.rs

@@ -140,6 +140,7 @@ impl Default for BehaviorPrefs {
 }
 
 
+#[cfg(feature = "notify")]
 #[derive(Deserialize, Debug, Serialize)]
 #[serde(default)]
 pub struct NotifyPrefs {
@@ -151,6 +152,7 @@ pub struct NotifyPrefs {
     // TODO: notify_hotkeys?
 }
 
+#[cfg(feature = "notify")]
 impl Default for NotifyPrefs {
     fn default() -> NotifyPrefs {
         return NotifyPrefs {
@@ -170,6 +172,7 @@ pub struct Prefs {
     pub device_prefs: DevicePrefs,
     pub view_prefs: ViewPrefs,
     pub behavior_prefs: BehaviorPrefs,
+    #[cfg(feature = "notify")]
     pub notify_prefs: NotifyPrefs, 
     // TODO: HotKeys?
 }

src/support_ui.rs

@@ -44,12 +44,13 @@ pub fn pixbuf_new_from_theme(icon_name: &str,
 pub fn pixbuf_new_from_file(filename: &str) -> Result<gdk_pixbuf::Pixbuf> {
     ensure!(!filename.is_empty(), "Filename is empty");
     let mut syspath = String::new();
-    let sysdir = option_env!("PIXMAPSDIR").map(|s|{
+    let sysdir = option_env!("PIXMAPSDIR").map(|s| {
-        syspath = format!("{}/{}", s, filename);
+                                                   syspath = format!("{}/{}",
-        Path::new(syspath.as_str())
+                                                                     s,
-    });
+                                                                     filename);
-    let cargopath = format!("./data/pixmaps/{}",
+                                                   Path::new(syspath.as_str())
-                                     filename);
+                                               });
+    let cargopath = format!("./data/pixmaps/{}", filename);
     let cargodir = Path::new(cargopath.as_str());
 
     // prefer local dir

src/ui_entry.rs

@@ -5,7 +5,7 @@ use gtk::MessageDialogExt;
 use gtk::WidgetExt;
 use gtk::WindowExt;
 use gtk;
-use gtk_sys::{GTK_DIALOG_DESTROY_WITH_PARENT, GTK_RESPONSE_YES};
+use gtk_sys::{GTK_RESPONSE_YES};
 use prefs::*;
 use std::cell::RefCell;
 use std::rc::Rc;
@@ -14,8 +14,9 @@ use ui_popup_menu::*;
 use ui_popup_window::*;
 use ui_prefs_dialog::*;
 use ui_tray_icon::*;
-use notif::*;
 
+#[cfg(feature = "notify")]
+use notif::*;
 
 
 
@@ -26,6 +27,7 @@ pub struct Gui {
     pub popup_menu: PopupMenu,
     /* prefs_dialog is dynamically created and destroyed */
     pub prefs_dialog: RefCell<Option<PrefsDialog>>,
+
 }
 
 impl Gui {
@@ -72,6 +74,8 @@ pub fn init(appstate: Rc<AppS>) {
     init_popup_window(appstate.clone());
     init_popup_menu(appstate.clone());
     init_prefs_callback(appstate.clone());
+
+    #[cfg(feature = "notify")]
     init_notify(appstate.clone());
 }
 
@@ -79,13 +83,11 @@ pub fn init(appstate: Rc<AppS>) {
 fn run_audio_error_dialog(parent: &gtk::Window) -> i32 {
     error!("Connection with audio failed, you probably need to restart pnmixer.");
 
-    let dialog = gtk::MessageDialog::new(
+    let dialog = gtk::MessageDialog::new(Some(parent),
-            Some(parent),
+                                         gtk::DIALOG_DESTROY_WITH_PARENT,
-            gtk::DIALOG_DESTROY_WITH_PARENT,
+                                         gtk::MessageType::Error,
-            gtk::MessageType::Error,
+                                         gtk::ButtonsType::YesNo,
-            gtk::ButtonsType::YesNo,
+                                         "Warning: Connection to sound system failed.");
-            "Warning: Connection to sound system failed."
-        );
     dialog.set_property_secondary_text(Some("Do you want to re-initialize the audio connection ?
 
 If you do not, you will either need to restart PNMixer

src/ui_prefs_dialog.rs

@@ -19,6 +19,7 @@ use support_audio::*;
 pub struct PrefsDialog {
     _cant_construct: (),
     prefs_dialog: gtk::Dialog,
+    notebook: gtk::Notebook,
 
     /* DevicePrefs */
     card_combo: gtk::ComboBoxText,
@@ -38,11 +39,16 @@ pub struct PrefsDialog {
     custom_entry: gtk::Entry,
 
     /* NotifyPrefs */
+    #[cfg(feature = "notify")]
     noti_enable_check: gtk::CheckButton,
+    #[cfg(feature = "notify")]
     noti_timeout_spin: gtk::SpinButton,
     // pub noti_hotkey_check: gtk::CheckButton,
+    #[cfg(feature = "notify")]
     noti_mouse_check: gtk::CheckButton,
+    #[cfg(feature = "notify")]
     noti_popup_check: gtk::CheckButton,
+    #[cfg(feature = "notify")]
     noti_ext_check: gtk::CheckButton,
 }
 
@@ -54,6 +60,7 @@ impl PrefsDialog {
         let prefs_dialog = PrefsDialog {
             _cant_construct: (),
             prefs_dialog: builder.get_object("prefs_dialog").unwrap(),
+            notebook: builder.get_object("notebook").unwrap(),
 
             card_combo: builder.get_object("card_combo").unwrap(),
             chan_combo: builder.get_object("chan_combo").unwrap(),
@@ -74,15 +81,26 @@ impl PrefsDialog {
                 .unwrap(),
             custom_entry: builder.get_object("custom_entry").unwrap(),
 
+            #[cfg(feature = "notify")]
             noti_enable_check: builder.get_object("noti_enable_check").unwrap(),
+            #[cfg(feature = "notify")]
             noti_timeout_spin: builder.get_object("noti_timeout_spin").unwrap(),
             // noti_hotkey_check: builder.get_object("noti_hotkey_check").unwrap(),
+            #[cfg(feature = "notify")]
             noti_mouse_check: builder.get_object("noti_mouse_check").unwrap(),
+            #[cfg(feature = "notify")]
             noti_popup_check: builder.get_object("noti_popup_check").unwrap(),
+            #[cfg(feature = "notify")]
             noti_ext_check: builder.get_object("noti_ext_check").unwrap(),
         };
 
+        #[cfg(feature = "notify")]
+        let notify_tab: gtk::Box = builder.get_object("noti_vbox_enabled").unwrap();
+        #[cfg(not(feature = "notify"))]
+        let notify_tab: gtk::Box = builder.get_object("noti_vbox_disabled").unwrap();
 
+        prefs_dialog.notebook.append_page(&notify_tab,
+                                          Some(&gtk::Label::new(Some("Notifications"))));
         return prefs_dialog;
     }
 
@@ -134,13 +152,18 @@ impl PrefsDialog {
                                        .as_str());
 
         /* NotifyPrefs */
+        #[cfg(feature = "notify")]
         self.noti_enable_check
             .set_active(prefs.notify_prefs.enable_notifications);
+        #[cfg(feature = "notify")]
         self.noti_timeout_spin
             .set_value(prefs.notify_prefs.notifcation_timeout as f64);
+        #[cfg(feature = "notify")]
         self.noti_mouse_check
             .set_active(prefs.notify_prefs.notify_mouse_scroll);
+        #[cfg(feature = "notify")]
         self.noti_popup_check.set_active(prefs.notify_prefs.notify_popup);
+        #[cfg(feature = "notify")]
         self.noti_ext_check.set_active(prefs.notify_prefs.notify_external);
     }
 
@@ -193,6 +216,7 @@ impl PrefsDialog {
             custom_command,
         };
 
+        #[cfg(feature = "notify")]
         let notify_prefs = NotifyPrefs {
             enable_notifications: self.noti_enable_check.get_active(),
             notifcation_timeout: self.noti_timeout_spin.get_value_as_int() as
@@ -206,6 +230,7 @@ impl PrefsDialog {
                    device_prefs,
                    view_prefs,
                    behavior_prefs,
+                   #[cfg(feature = "notify")]
                    notify_prefs,
                };
 
@@ -240,7 +265,10 @@ pub fn init_prefs_callback(appstate: Rc<AppS>) {
     let apps = appstate.clone();
     appstate.audio.connect_handler(Box::new(move |s, u| {
         /* skip if prefs window is not present */
-        if apps.gui.prefs_dialog.borrow().is_none() {
+        if apps.gui
+               .prefs_dialog
+               .borrow()
+               .is_none() {
             return;
         }
 
@@ -249,7 +277,7 @@ pub fn init_prefs_callback(appstate: Rc<AppS>) {
             (AudioSignal::CardCleanedUp, _) => {
                 fill_card_combo(&apps);
                 fill_chan_combo(&apps, None);
-            },
+            }
             _ => (),
         }
     }));
@@ -308,6 +336,8 @@ fn init_prefs_dialog(appstate: &Rc<AppS>) {
             if response_id == ResponseType::Ok.into() ||
                response_id == ResponseType::Apply.into() {
                 // TODO: update popup, tray_icon, hotkeys, notification and audio
+                #[cfg(feature = "notify")]
+                try_w!(apps.notif.reload(&apps.prefs.borrow()));
                 try_w!(apps.update_tray_icon());
                 try_w!(apps.update_popup_window());
                 {