opt: avoid useless caculate

src/animation/client.h

@@ -248,7 +248,7 @@ void apply_shield(Client *c, struct wlr_box clip_box) {
 
 void apply_split_border(Client *c, bool hit_no_border) {
 
-	if (c->iskilling || !client_surface(c)->mapped)
+	if (c->iskilling || !c->mon || !client_surface(c)->mapped)
 		return;
 
 	const Layout *layout = c->mon->pertag->ltidxs[c->mon->pertag->curtag];

src/layout/dwindle.h

@@ -81,8 +81,8 @@ static void dwindle_insert(DwindleNode **root, Client *new_c, Client *focused,
 		target = dwindle_first_leaf(*root);
 
 	// ================= 保持其他窗口比例缩减逻辑 =================
-	DwindleNode *path[128];
+	DwindleNode *path[512];
-	float p[128];
+	float p[512];
 	int path_len = get_block_path_and_ratios(target, split_h, path, p);
 
 	int n_old = 1;
@@ -161,7 +161,7 @@ static void dwindle_remove(DwindleNode **root, Client *c) {
 
 	// 查找连续的同方向块路径
 	bool split_h = parent->split_h;
-	DwindleNode *path[128];
+	DwindleNode *path[512];
 	int path_len = 0;
 	path[path_len++] = parent;
 	DwindleNode *curr = parent->parent;
@@ -171,7 +171,7 @@ static void dwindle_remove(DwindleNode **root, Client *c) {
 	}
 
 	// 计算各祖先的旧绝对占比
-	float p[128];
+	float p[512];
 	p[path_len - 1] = 1.0f;
 	for (int i = path_len - 1; i > 0; i--) {
 		DwindleNode *S = path[i];
@@ -457,6 +457,8 @@ static void dwindle_insert_with_config(DwindleNode **root, Client *new_c,
 		lock = true;
 	} else {
 		bool likely_h = (fg->width >= fg->height);
+		split_h = likely_h;
+
 		if (likely_h) {
 			if (config.dwindle_hsplit == 0)
 				as_first = (cursor->x < fcx);
@@ -482,8 +484,8 @@ static void dwindle_insert_with_config(DwindleNode **root, Client *new_c,
 		as_first = false;
 
 		// ================= 计算新节点的 1/N 比例 =================
-		DwindleNode *path[128];
+		DwindleNode *path[512];
-		float p[128];
+		float p[512];
 		int path_len = get_block_path_and_ratios(target, split_h, path, p);
 
 		int n_old = 1;
@@ -585,3 +587,8 @@ void dwindle(Monitor *m) {
 				   m->w.width - 2 * gap_oh, m->w.height - 2 * gap_ov, gap_ih,
 				   gap_iv);
 }
+
+void cleanup_monitor_dwindle(Monitor *m) {
+	for (uint32_t t = 0; t < LENGTH(tags) + 1; t++)
+		dwindle_free_tree(m->pertag->dwindle_root[t]);
+}

src/mango.c

@@ -1252,22 +1252,31 @@ void swallow(Client *c, Client *w) {
 	client_pending_maximized_state(c, w->ismaximizescreen);
 	client_pending_minimized_state(c, w->isminimized);
 
-	/* ---------- 跨 tag 同步：dwindle 与 scroller ---------- */
+	if (!w->mon)
-	Monitor *m;
+		return;
-	wl_list_for_each(m, &mons, link) {
+
+	const Layout *layout = w->mon->pertag->ltidxs[w->mon->pertag->curtag];
+
+	if (layout->id == DWINDLE || layout->id == SCROLLER ||
+		layout->id == VERTICAL_SCROLLER) {
+
 		for (uint32_t t = 0; t < LENGTH(tags) + 1; t++) {
 			/* dwindle */
-			DwindleNode **root = &m->pertag->dwindle_root[t];
+
+			if (layout->id == DWINDLE) {
+
+				DwindleNode **root = &w->mon->pertag->dwindle_root[t];
 				dwindle_remove(root, c);
 				DwindleNode *dnode = dwindle_find_leaf(*root, w);
 				if (dnode)
 					dnode->client = c;
+			}
 
-			/* scroller */
+			// scroller
-			struct TagScrollerState *st = m->pertag->scroller_state[t];
+			if (layout->id == SCROLLER || layout->id == VERTICAL_SCROLLER) {
+				struct TagScrollerState *st = w->mon->pertag->scroller_state[t];
 				if (!st)
 					continue;
-
 				/* 先移除 c 在任意 tag 中的旧节点 */
 				struct ScrollerStackNode *cn = find_scroller_node(st, c);
 				if (cn)
@@ -1279,11 +1288,11 @@ void swallow(Client *c, Client *w) {
 					wn->client = c;
 			}
 		}
+	}
 
 	/* 同步当前活动 tag 的全局客户端字段 */
-	if (c->mon) {
+	if (layout->id == SCROLLER || layout->id == VERTICAL_SCROLLER) {
-		uint32_t curtag = c->mon->pertag->curtag;
+		sync_scroller_state_to_clients(w->mon, w->mon->pertag->curtag);
-		sync_scroller_state_to_clients(c->mon, curtag);
 	}
 }
 
@@ -2540,9 +2549,7 @@ void cleanupmon(struct wl_listener *listener, void *data) {
 
 	m->wlr_output->data = NULL;
 
-	for (uint32_t t = 0; t < LENGTH(tags) + 1; t++)
+	cleanup_monitor_dwindle(m);
-		dwindle_free_tree(m->pertag->dwindle_root[t]);
-
 	cleanup_monitor_scroller(m);
 
 	free(m->pertag);
@@ -5197,11 +5204,19 @@ exchange_common:
 		tmp2_next->prev = &c1->link;
 	}
 
-	if (config.exchange_cross_monitor && c1->mon != c2->mon) {
+	const Layout *layout1 = c1->mon->pertag->ltidxs[c1->mon->pertag->curtag];
-		DwindleNode **c1_root = &m1->pertag->dwindle_root[m1->pertag->curtag];
+
+	const Layout *layout2 = c2->mon->pertag->ltidxs[c2->mon->pertag->curtag];
+
+	if (c1->mon != c2->mon) {
+
+		if (layout1->id == DWINDLE && layout2->id == DWINDLE) {
+			DwindleNode **c1_root =
+				&m1->pertag->dwindle_root[m1->pertag->curtag];
 			DwindleNode *c1node = dwindle_find_leaf(*c1_root, c1);
 
-		DwindleNode **c2_root = &m2->pertag->dwindle_root[m2->pertag->curtag];
+			DwindleNode **c2_root =
+				&m2->pertag->dwindle_root[m2->pertag->curtag];
 			DwindleNode *c2node = dwindle_find_leaf(*c2_root, c2);
 
 			if (c1node)
@@ -5209,6 +5224,7 @@ exchange_common:
 
 			if (c2node)
 				c2node->client = c1;
+		}
 
 		tmp_mon = c2->mon;
 		tmp_tags = c2->tags;
@@ -5220,8 +5236,7 @@ exchange_common:
 		arrange(c1->mon, false, false);
 		arrange(c2->mon, false, false);
 	} else {
-		if (c1->mon &&
+		if (layout1->id == DWINDLE && layout2->id == DWINDLE) {
-			c1->mon->pertag->ltidxs[c1->mon->pertag->curtag]->id == DWINDLE) {
 			dwindle_swap_clients(
 				&c1->mon->pertag->dwindle_root[c1->mon->pertag->curtag], c1,
 				c2);