From e7a0945a93321968830e4814c5172192ba332e9c Mon Sep 17 00:00:00 2001
From: Zedhugh Chen <zedhugh@gmail.com>
Date: Fri, 24 Jul 2026 20:59:51 +0800
Subject: [PATCH] =?UTF-8?q?feat(tray):=20=E6=88=90=E4=B8=BA=20selection=20?=
 =?UTF-8?q?owner=20=E5=90=8E=E5=B9=BF=E6=92=AD=20MANAGER=20=E4=BA=8B?=
 =?UTF-8?q?=E4=BB=B6=E9=80=9A=E7=9F=A5=E6=89=98=E7=9B=98=E5=AE=A2=E6=88=B7?=
 =?UTF-8?q?=E7=AB=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 src/backend/x11/internal.h |  2 ++
 src/backend/x11/tray.c     | 22 ++++++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/src/backend/x11/internal.h b/src/backend/x11/internal.h
index ae5cad1..11fb105 100644
--- a/src/backend/x11/internal.h
+++ b/src/backend/x11/internal.h
@@ -46,6 +46,8 @@
   X(_NET_WM_WINDOW_TYPE_NOTIFICATION)
 
 #define ATOM_LIST(X)          \
+  X(MANAGER)                  \
+                              \
   X(COMPOUND_TEXT)            \
   X(UTF8_STRING)              \
                               \
diff --git a/src/backend/x11/tray.c b/src/backend/x11/tray.c
index 1748675..7d38572 100644
--- a/src/backend/x11/tray.c
+++ b/src/backend/x11/tray.c
@@ -191,6 +191,25 @@ static bool tray_take_selection_owner(tray_host_t *tray, backend_t *backend) {
   return success;
 }
 
+static void tray_broadcast_manager(tray_host_t *tray, backend_t *backend) {
+  auto conn = backend->conn;
+  auto root = backend->screen->root;
+
+  xcb_client_message_event_t event = {
+    .response_type = XCB_CLIENT_MESSAGE,
+    .window = root,
+    .format = 32,
+    .type = backend->atoms.MANAGER,
+    .data.data32 = {
+      [0] = XCB_CURRENT_TIME,
+      [1] = tray->selection_atom,
+      [2] = tray->container,
+    },
+  };
+  uint32_t event_mask = XCB_EVENT_MASK_STRUCTURE_NOTIFY;
+  xcb_send_event(conn, false, root, event_mask, (char *)&event);
+}
+
 void tray_init(
   backend_t *backend,
   xcb_window_t host_window,
@@ -220,4 +239,7 @@ void tray_init(
 
   tray->enabled = true;
   tray->initialized = true;
+
+  tray_broadcast_manager(tray, backend);
+  xcb_flush(backend->conn);
 }