Remove notify-rust dependency

It uses outdated zbus.

Cargo.toml

@@ -67,7 +67,6 @@ libdisplay-info = "0.1.0"
 log = { version = "0.4.22", features = ["max_level_trace", "release_max_level_debug"] }
 niri-config = { version = "0.1.10", path = "niri-config" }
 niri-ipc = { version = "0.1.10", path = "niri-ipc", features = ["clap"] }
-notify-rust = { version = "~4.10.0", optional = true }
 ordered-float = "4.5.0"
 pango = { version = "0.20.4", features = ["v1_44"] }
 pangocairo = "0.20.4"
@@ -119,7 +118,7 @@ xshell = "0.2.6"
 [features]
 default = ["dbus", "systemd", "xdp-gnome-screencast"]
 # Enables D-Bus support (serve various freedesktop and GNOME interfaces, power button handling).
-dbus = ["dep:zbus", "dep:async-io", "dep:notify-rust", "dep:url"]
+dbus = ["dep:zbus", "dep:async-io", "dep:url"]
 # Enables systemd integration (global environment, apps in transient scopes).
 systemd = ["dbus"]
 # Enables screencasting support through xdg-desktop-portal-gnome.

src/niri.rs

@@ -4545,7 +4545,9 @@ impl Niri {
             }
 
             #[cfg(feature = "dbus")]
-            crate::utils::show_screenshot_notification(image_path);
+            if let Err(err) = crate::utils::show_screenshot_notification(image_path) {
+                warn!("error showing screenshot notification: {err:?}");
+            }
             #[cfg(not(feature = "dbus"))]
             drop(image_path);
         });

src/utils/mod.rs

@@ -307,20 +307,20 @@ pub fn center_preferring_top_left_in_area(
 }
 
 #[cfg(feature = "dbus")]
-pub fn show_screenshot_notification(image_path: Option<PathBuf>) {
-    let mut notification = notify_rust::Notification::new();
-    notification
-        .summary("Screenshot captured")
-        .body("You can paste the image from the clipboard.")
-        .urgency(notify_rust::Urgency::Normal)
-        .hint(notify_rust::Hint::Transient(true));
+pub fn show_screenshot_notification(image_path: Option<PathBuf>) -> anyhow::Result<()> {
+    use std::collections::HashMap;
+
+    use zbus::zvariant;
+
+    let conn = zbus::blocking::Connection::session()?;
 
     // Try to add the screenshot as an image if possible.
+    let mut image_url = None;
     if let Some(path) = image_path {
         match path.canonicalize() {
             Ok(path) => match url::Url::from_file_path(path) {
                 Ok(url) => {
-                    notification.image_path(url.as_str());
+                    image_url = Some(url);
                 }
                 Err(err) => {
                     warn!("error converting screenshot path to file url: {err:?}");
@@ -332,9 +332,29 @@ pub fn show_screenshot_notification(image_path: Option<PathBuf>) {
         }
     }
 
-    if let Err(err) = notification.show() {
-        warn!("error showing screenshot notification: {err:?}");
-    }
+    let actions: &[&str] = &[];
+
+    conn.call_method(
+        Some("org.freedesktop.Notifications"),
+        "/org/freedesktop/Notifications",
+        Some("org.freedesktop.Notifications"),
+        "Notify",
+        &(
+            "niri",
+            0u32,
+            image_url.as_ref().map(|url| url.as_str()).unwrap_or(""),
+            "Screenshot captured",
+            "You can paste the image from the clipboard.",
+            actions,
+            HashMap::from([
+                ("transient", zvariant::Value::Bool(true)),
+                ("urgency", zvariant::Value::U8(1)),
+            ]),
+            -1,
+        ),
+    )?;
+
+    Ok(())
 }
 
 #[inline(never)]