1 files changed, 34 insertions, 0 deletions
diff --git a/bin/udt-accent b/bin/udt-accent
index fbd6a65..978f340 100755
--- a/bin/udt-accent
+++ b/bin/udt-accent
@@ -39,6 +39,7 @@ MIN_CHROMA = 10.0
 
 OUTPUT = Path.home() / ".cache" / "wal" / "udt-accent.rasi"
 BORDER_OUTPUT = Path.home() / ".cache" / "wal" / "udt-border.lua"
+DUNSTRC = Path.home() / ".cache" / "wal" / "dunstrc"
 
 
 def _to_lab(hexval):
@@ -162,6 +163,38 @@ def write_border(name):
         raise
 
 
+def write_dunst(name):
+    """Substitute the accent into the dunst config pywal just rendered.
+
+    pywal owns that file, so this runs after it and rewrites in place. A
+    missing file is not an error: dunst simply may not be configured here.
+    """
+    try:
+        text = DUNSTRC.read_text()
+    except FileNotFoundError:
+        return
+
+    if "@ACCENT@" not in text:
+        return
+
+    fd, tmp = tempfile.mkstemp(dir=str(DUNSTRC.parent), suffix=".tmp")
+    try:
+        with os.fdopen(fd, "w") as handle:
+            handle.write(text.replace("@ACCENT@", ACCENTS[name]))
+        os.replace(tmp, DUNSTRC)
+    except BaseException:
+        if os.path.exists(tmp):
+            os.unlink(tmp)
+        raise
+
+    # Restart dunst so it rereads the file. It must be started again, not just
+    # killed: nothing else respawns it, and a dead dunst means no notifications
+    # at all.
+    if subprocess.run(["pkill", "-x", "dunst"], capture_output=True).returncode == 0:
+        subprocess.Popen(["dunst"], start_new_session=True,
+                         stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+
+
 def main(image):
     try:
         name = snap(signature_color(image))
@@ -172,6 +205,7 @@ def main(image):
 
     write_accent(name)
     write_border(name)
+    write_dunst(name)
 
     # Hyprland only rereads its config on request, and may not be running.
     subprocess.run(["hyprctl", "reload"], capture_output=True, check=False)