fix: 修改 wm_set_current_monitor 函数实现避免光标乱跳

- 将 wm_set_current_monitor 改为支持 restore_cursor 参数，按场景决定是
  否恢复光标位置
- 仅在指针位于当前显示器时更新 cursor_position 缓存，减少错误覆盖

src/action.c

@@ -65,7 +65,7 @@ void raise_or_run(const user_action_arg_t *arg) {
   if (client && client == wm.client_focused) return;
 
   if (client) {
-    wm_set_current_monitor(client->monitor);
+    wm_set_current_monitor(client->monitor, true);
     monitor_select_tag(client->monitor, client->tags);
     client_stack_raise(client);
     client_focus(client);

src/client.c

@@ -295,7 +295,7 @@ void client_send_to_monitor(client_t *client, monitor_t *monitor) {
   client->tags = monitor->selected_tag->mask;
   client_add_to_tag(client, monitor->selected_tag);
 
-  wm_set_current_monitor(monitor);
+  wm_set_current_monitor(monitor, true);
   monitor_arrange(m);
   monitor_arrange(monitor);
   monitor_draw_bar(m);
@@ -607,7 +607,7 @@ void client_apply_rules(client_t *client, const rule_t rules[],
         client->tags = t->mask;
 
         if (r->switch_to_tag) {
-          wm_set_current_monitor(m);
+          wm_set_current_monitor(m, true);
           m->selected_tag = t;
 
           logger("++ switch to tag: %u\n", t->index);

src/event.c

@@ -34,7 +34,7 @@ static void button_press(xcb_button_press_event_t *ev) {
 
   if (!monitor) return;
 
-  wm_set_current_monitor(monitor);
+  wm_set_current_monitor(monitor, false);
   if (ev->event_x >= monitor->tag_extent.start &&
       ev->event_x <= monitor->tag_extent.end) {
     click_area = click_tag;
@@ -188,7 +188,7 @@ static void client_message(xcb_client_message_event_t *ev) {
 
       switch (ev->data.data32[0]) {
         case 2: /* 来自 pager */
-          wm_set_current_monitor(c->monitor);
+          wm_set_current_monitor(c->monitor, true);
           monitor_select_tag(c->monitor, t->mask);
           client_focus(c);
           break;

src/wm.c

@@ -517,18 +517,18 @@ void wm_restack_clients(void) {
   xcb_flush(wm.xcb_conn);
 }
 
-void wm_set_current_monitor(monitor_t *monitor) {
+void wm_set_current_monitor(monitor_t *monitor, bool restore_cursor) {
   if (!monitor || wm.current_monitor == monitor) return;
 
   point_t point = xcursor_query_pointer_position();
   monitor_t *point_monitor = wm_get_monitor_by_point(point);
+  if (point_monitor == wm.current_monitor) {
     point_monitor->cursor_position = point;
     point_monitor->position_inited = true;
+  }
 
   wm.current_monitor = monitor;
-  if (point_monitor != monitor) {
-    monitor_restore_cursor_point(monitor);
-  }
+  if (restore_cursor) monitor_restore_cursor_point(monitor);
 }
 
 static inline int intersect(area_t area, monitor_t *m) {
@@ -538,7 +538,8 @@ static inline int intersect(area_t area, monitor_t *m) {
                   MAX(area.y, m->geometry.y));
 }
 
-monitor_t *__attribute__((returns_nonnull)) wm_get_monitor_by_area(area_t area) {
+monitor_t *__attribute__((returns_nonnull)) wm_get_monitor_by_area(
+  area_t area) {
   if (wm.current_monitor == nullptr) {
     fatal("wm_get_monitor_by_area: current monitor is nullptr");
   }

src/wm.h

@@ -57,7 +57,7 @@ extern wm_t wm;
 void wm_restart(void);
 void wm_quit(void);
 void wm_restack_clients(void);
-void wm_set_current_monitor(monitor_t *monitor);
+void wm_set_current_monitor(monitor_t *monitor, bool restore_cursor);
 monitor_t *__attribute__((returns_nonnull)) wm_get_monitor_by_area(area_t area);
 monitor_t *__attribute__((returns_nonnull)) wm_get_monitor_by_point(
   point_t point);