From 94d3aa669f27ae926ab80ef7b474b92ec6f77521 Mon Sep 17 00:00:00 2001
From: Zedhugh Chen <zedhugh@gmail.com>
Date: Mon, 22 Dec 2025 08:43:07 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A4=84=E7=90=86=E7=AA=97=E5=8F=A3=E5=88=9B?=
 =?UTF-8?q?=E5=BB=BA/=E9=94=80=E6=AF=81=E5=92=8C=E5=88=87=E6=8D=A2=20tag?=
 =?UTF-8?q?=20=E6=97=B6=E7=9A=84=E7=AA=97=E5=8F=A3=E7=84=A6=E7=82=B9?=
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---
 src/client.c  |  8 ++++++++
 src/monitor.c | 15 +++++++++++++++
 src/monitor.h |  1 +
 3 files changed, 24 insertions(+)

diff --git a/src/client.c b/src/client.c
index add6030..3801f2c 100644
--- a/src/client.c
+++ b/src/client.c
@@ -191,6 +191,8 @@ void client_manage(xcb_window_t window,
   monitor_arrange(c->monitor);
   monitor_draw_bar(c->monitor);
 
+  if (c->tags & c->monitor->selected_tag->mask) client_focus(c);
+
   xcb_flush(wm.xcb_conn);
 }
 
@@ -277,6 +279,7 @@ void client_unmanage(client_t *client) {
 
   client_wipe(client);
 
+  monitor_deal_focus(m);
   monitor_arrange(m);
   monitor_draw_bar(m);
   xcb_flush(wm.xcb_conn);
@@ -295,6 +298,11 @@ void client_apply_task_geometry(client_t *client, task_in_tag_t *task) {
   }
 }
 
+void client_focus(client_t *client) {
+  wm.client_focused = client;
+  xwindow_focus(client ? client->window : XCB_WINDOW_NONE);
+}
+
 bool client_is_visible(client_t *client) {
   return client->tags & client->monitor->selected_tag->mask;
 }
diff --git a/src/monitor.c b/src/monitor.c
index ce52a80..5864489 100644
--- a/src/monitor.c
+++ b/src/monitor.c
@@ -48,6 +48,19 @@ uint32_t monitor_initialize_tag(monitor_t *monitor, const char **tags,
   return tag_count;
 }
 
+void monitor_deal_focus(monitor_t *monitor) {
+  if (!monitor->selected_tag->task_list) return;
+
+  client_t *client = nullptr;
+  for (client_t *c = wm.client_stack_list; c; c = c->stack_next) {
+    if (client_get_task_in_tag(c, monitor->selected_tag)) {
+      client = c;
+      break;
+    }
+  }
+  client_focus(client);
+}
+
 void monitor_select_tag(monitor_t *monitor, uint32_t tag_mask) {
   if (monitor->selected_tag->mask == tag_mask) return;
 
@@ -60,6 +73,8 @@ void monitor_select_tag(monitor_t *monitor, uint32_t tag_mask) {
       break;
     }
   }
+
+  monitor_deal_focus(monitor);
 }
 
 static void tag_clean(tag_t *tag) {
diff --git a/src/monitor.h b/src/monitor.h
index 74895da..756725d 100644
--- a/src/monitor.h
+++ b/src/monitor.h
@@ -6,6 +6,7 @@
 
 uint32_t monitor_initialize_tag(monitor_t *monitor, const char **tags,
                                 uint32_t tag_index_start_at);
+void monitor_deal_focus(monitor_t *monitor);
 void monitor_select_tag(monitor_t *monitor, uint32_t tag_mask);
 void monitor_clean(monitor_t *monitor);
 void monitor_init_bar(monitor_t *monitor);