Add tray icon support (#121)

* Add tray icon support using KStatusNotifierItem

For compatibility with desktop environments that don't support the
background portal.

* Add preference option to enable/disable tray icon

Author: nozwock

Cargo.lock

@@ -43,3 +43,6 @@ ashpd = { version = "0.12", default-features = false, features = [
 futures-timer = "3.0.3"
 tokio-util = "0.7.15"
 tracing-appender = "0.2.3"
+
+[target.'cfg(target_os = "linux")'.dependencies]
+ksni = { version = "0.3", default-features = false, features = ["async-io"] }

Cargo.toml

@@ -9,6 +9,7 @@
     ],
     "command": "packet",
     "finish-args": [
+        "--talk-name=org.kde.StatusNotifierWatcher",
         "--filesystem=home/.local/share/nautilus-python/extensions",
         "--allow=bluetooth",
         "--share=network",

build-aux/io.github.nozwock.Packet.Devel.json

@@ -41,5 +41,8 @@
     <key name="enable-nautilus-plugin" type="b">
       <default>false</default>
     </key>
+    <key name="enable-tray-icon" type="b">
+      <default>false</default>
+    </key>
   </schema>
 </schemalist>

data/io.github.nozwock.Packet.gschema.xml.in

@@ -463,6 +463,14 @@ Adw.PreferencesDialog preferences_dialog {
             }
         }
 
+        Adw.PreferencesGroup tray_icon_group {
+            visible: false; // Set true for target_os linux since ksni is linux only
+            Adw.SwitchRow tray_icon_switch {
+                title: _("Tray Icon");
+                subtitle: _("Show tray icon in the system tray");
+            }
+        }
+
         Adw.PreferencesGroup {
             Adw.ExpanderRow static_port_expander {
                 title: _("Static Network Port");

data/resources/ui/window.blp

@@ -6,6 +6,8 @@ mod ext;
 mod monitors;
 mod objects;
 mod plugins;
+#[cfg(target_os = "linux")]
+mod tray;
 mod utils;
 mod widgets;
 mod window;