diff --git a/docs/visuals/theming.md b/docs/visuals/theming.md
index 2f9993be..75c90f37 100644
--- a/docs/visuals/theming.md
+++ b/docs/visuals/theming.md
@@ -69,17 +69,17 @@ You can also color-code windows based on their state:
 ### Tab Bar For Monocle Layout
 | Setting | Default | Description |
 | :--- | :--- | :--- |
-| `tab_bar_height` | `50` | Height of the tab bar for monocle layout. |
-| `tab_bar_decorate_fg_color` | `0xc4939dff` | text color.
-| `tab_bar_decorate_bg_color` | `0x201b14ff` | background color.|
-| `tab_bar_decorate_focus_fg_color` | `0x201b14ff` | text color for focus. |
-| `tab_bar_decorate_focus_bg_color` | `0xc4939dff` | background color for focus.|
-| `tab_bar_decorate_border_color` | `0x8BAA9Bff` | border color.|
-| `tab_bar_decorate_border_width` | `4` | border width.|
-| `tab_bar_decorate_corner_radius` | `5` | corner radius.|
-| `tab_bar_decorate_padding_x` | `0` | horizontal padding.|
-| `tab_bar_decorate_padding_y` | `0` | vertical padding.|
-| `tab_bar_decorate_font_desc` | `monospace Bold 16` | font set.|
+| `group_bar_height` | `50` | Height of the tab bar for monocle layout. |
+| `group_bar_decorate_fg_color` | `0xc4939dff` | text color.
+| `group_bar_decorate_bg_color` | `0x201b14ff` | background color.|
+| `group_bar_decorate_focus_fg_color` | `0x201b14ff` | text color for focus. |
+| `group_bar_decorate_focus_bg_color` | `0xc4939dff` | background color for focus.|
+| `group_bar_decorate_border_color` | `0x8BAA9Bff` | border color.|
+| `group_bar_decorate_border_width` | `4` | border width.|
+| `group_bar_decorate_corner_radius` | `5` | corner radius.|
+| `group_bar_decorate_padding_x` | `0` | horizontal padding.|
+| `group_bar_decorate_padding_y` | `0` | vertical padding.|
+| `group_bar_decorate_font_desc` | `monospace Bold 16` | font set.|
 
 ## Borders
 
diff --git a/src/action/client.h b/src/action/client.h
index 876284cd..aca5d2ef 100644
--- a/src/action/client.h
+++ b/src/action/client.h
@@ -57,7 +57,18 @@ void client_tile_resize(Client *c, struct wlr_box geo, int32_t interact) {
 	if (!ISFAKETILED(c))
 		return;
 
-	if (!c->isfullscreen && !c->ismaximizescreen) {
+	if (c->isfullscreen && c->group_bar) {
+		wlr_scene_node_set_enabled(&c->group_bar->scene_buffer->node, false);
+	}
+
+	if (!c->mon->isoverview && c->group_bar && !c->isfullscreen &&
+		(c->group_next || c->group_prev)) {
+		geo.y = geo.y + config.group_bar_height;
+		geo.height -= config.group_bar_height;
+	}
+
+	if ((!c->isfullscreen && !c->ismaximizescreen) ||
+		is_scroller_layout(c->mon)) {
 		resize(c, geo, interact);
 	}
 }
@@ -104,19 +115,144 @@ void client_add_jump_label_node(Client *c) {
 	wlr_scene_node_set_enabled(&c->jump_label_node->scene_buffer->node, false);
 }
 
-void client_add_tab_bar_node(Client *c) {
+void client_add_group_bar(Client *c) {
 
-	if (config.tab_bar_height <= 0) {
+	if (config.group_bar_height <= 0) {
 		return;
 	}
 
-	MangoNodeData *mangonodedata = ecalloc(1, sizeof(MangoNodeData));
-	mangonodedata->node_data = c;
-	mangonodedata->type = MANGO_TITLE_NODE;
+	uint32_t layer = c->isoverlay						? LyrOverlay
+					 : c->isfloating || c->isfullscreen ? LyrTop
+					 : c->ismaximizescreen				? LyrMaximize
+														: LyrTile;
 
-	c->tab_bar_node = mango_tab_bar_node_create(
-		mangonodedata, layers[LyrDecorate], config.tabdata, 0, 0);
-	wlr_scene_node_lower_to_bottom(&c->tab_bar_node->scene_buffer->node);
-	wlr_scene_node_set_enabled(&c->tab_bar_node->scene_buffer->node, false);
-	mango_tab_bar_node_update(c->tab_bar_node, client_get_title(c), 1.0);
+	c->group_bar = mango_group_bar_create(c, GroupBar, layers[layer],
+										  config.tabdata, 0, 0);
+	wlr_scene_node_lower_to_bottom(&c->group_bar->scene_buffer->node);
+	wlr_scene_node_set_enabled(&c->group_bar->scene_buffer->node, false);
+	mango_group_bar_update(c->group_bar, client_get_title(c), 1.0);
 }
+
+void client_focus_group_member(Client *c) {
+	if (!c->group_prev && !c->group_next)
+		return;
+
+	if (c->isgroupfocusing)
+		return;
+
+	if (c->mon->isoverview)
+		return;
+
+	Client *head = c;
+	while (head->group_prev)
+		head = head->group_prev;
+
+	Client *cur_focusing = NULL;
+	while (head) {
+		if (head->isgroupfocusing) {
+			cur_focusing = head;
+			break;
+		}
+		head = head->group_next;
+	}
+
+	if (cur_focusing) {
+		cur_focusing->isgroupfocusing = false;
+		c->mon = cur_focusing->mon;
+		client_replace(c, cur_focusing, true);
+		mango_group_bar_set_focus(cur_focusing->group_bar, false);
+	}
+
+	c->isgroupfocusing = true;
+	mango_group_bar_set_focus(c->group_bar, true);
+
+	client_reparent_group(c);
+
+	focusclient(c, 1);
+
+	arrange(c->mon, false, false);
+}
+
+void client_check_tab_node_visible(Client *c) {
+
+	if (!c || c->iskilling)
+		return;
+
+	Client *head = c;
+	while (head->group_prev)
+		head = head->group_prev;
+
+	Client *cur = head;
+	while (cur) {
+		if (!c->mon->isoverview && cur->group_bar &&
+			(cur->group_next || cur->group_prev) && VISIBLEON(c, c->mon) &&
+			ISNORMAL(c) && !c->isfullscreen &&
+			(!is_monocle_layout(c->mon) || c == c->mon->sel)) {
+			wlr_scene_node_set_enabled(&cur->group_bar->scene_buffer->node,
+									   true);
+		} else {
+			wlr_scene_node_set_enabled(&cur->group_bar->scene_buffer->node,
+									   false);
+		}
+		cur = cur->group_next;
+	}
+}
+
+void client_raise_group(Client *c) {
+	if (!c || !c->mon)
+		return;
+
+	if (!c->group_prev && !c->group_next)
+		return;
+
+	Client *head = c;
+	while (head->group_prev)
+		head = head->group_prev;
+
+	Client *cur = head;
+	while (cur) {
+		if (cur->group_bar) {
+			wlr_scene_node_raise_to_top(&cur->group_bar->scene_buffer->node);
+			wlr_scene_node_raise_to_top(&cur->scene->node);
+		}
+		cur = cur->group_next;
+	}
+}
+
+void client_reparent_group(Client *c) {
+	if (!c || !c->group_bar)
+		return;
+
+	if (!c->group_prev && !c->group_next)
+		return;
+
+	int32_t layer = c->isoverlay					   ? LyrOverlay
+					: c->isfloating || c->isfullscreen ? LyrTop
+					: c->ismaximizescreen			   ? LyrMaximize
+													   : LyrTile;
+
+	Client *head = c;
+	while (head->group_prev)
+		head = head->group_prev;
+
+	Client *cur = head;
+	while (cur) {
+		if (cur->group_bar) {
+			wlr_scene_node_reparent(&cur->group_bar->scene_buffer->node,
+									layers[layer]);
+			wlr_scene_node_reparent(&cur->scene->node, layers[layer]);
+		}
+		cur = cur->group_next;
+	}
+}
+
+void client_handle_decorate_click(MangoGroupBar *gb) {
+
+	if (!gb)
+		return;
+
+	if (gb->node_data) {
+		Client *c = gb->node_data;
+		client_focus_group_member(c);
+	}
+}
\ No newline at end of file
diff --git a/src/animation/client.h b/src/animation/client.h
index 832caa0b..39931f0f 100644
--- a/src/animation/client.h
+++ b/src/animation/client.h
@@ -230,11 +230,13 @@ void scene_buffer_apply_overview_effect(struct wlr_scene_buffer *buffer,
 	bool is_subsurface = false;
 
 	struct wlr_scene_tree *parent_tree = buffer->node.parent;
-	if (parent_tree->node.data != NULL) {
-		SnapshotMetadata *meta = (SnapshotMetadata *)parent_tree->node.data;
+	SnapshotMetadata *meta = (SnapshotMetadata *)parent_tree->node.data;
+	if (parent_tree->node.data != NULL && meta->type == Snapshot) {
 		surface_width = meta->orig_width;
 		surface_height = meta->orig_height;
 		is_subsurface = meta->is_subsurface;
+	} else {
+		return;
 	}
 
 	surface_height = surface_height * buffer_data->height_scale;
@@ -273,6 +275,86 @@ void buffer_set_effect(Client *c, BufferData data) {
 	}
 }
 
+void client_draw_title(Client *c) {
+
+	if (!c || !c->group_bar)
+		return;
+
+	if (!c->group_next && !c->group_prev && c->group_bar &&
+		c->group_bar->scene_buffer->node.enabled) {
+		wlr_scene_node_set_enabled(&c->group_bar->scene_buffer->node, false);
+		return;
+	}
+
+	if (!c->group_next && !c->group_prev)
+		return;
+
+	Client *head = c;
+	while (head->group_prev)
+		head = head->group_prev;
+
+	int count = 0;
+	Client *cur = head;
+	while (cur) {
+		count++;
+		cur = cur->group_next;
+	}
+
+	int32_t tab_x = c->animation.current.x;
+	int32_t tab_y = c->animation.current.y - config.group_bar_height;
+	int32_t tw = c->animation.current.width;
+	int32_t th = config.group_bar_height;
+
+	int32_t left_over = c->mon->m.x - tab_x;
+	int32_t right_over = tab_x + tw - c->mon->m.x - c->mon->m.width;
+	int32_t top_over = c->mon->m.y - tab_y;
+	int32_t bottom_over =
+		tab_y + config.group_bar_height - c->mon->m.y - c->mon->m.height;
+
+	if (c != grabc &&
+		(ISSCROLLTILED(c) || c->animation.tagining || c->animation.tagouting)) {
+		if (top_over > 0) {
+			tab_y = c->mon->m.y;
+			th = config.group_bar_height - top_over;
+		}
+		if (bottom_over > 0) {
+			th = th - bottom_over;
+		}
+		if (right_over > 0) {
+			tw = tw - right_over;
+		}
+		if (left_over > 0) {
+			tab_x = c->mon->m.x;
+			tw = tw - left_over;
+		}
+	}
+
+	if (tw <= 0 || th <= 0) {
+		cur = head;
+		while (cur) {
+			if (cur->group_bar)
+				wlr_scene_node_set_enabled(&cur->group_bar->scene_buffer->node,
+										   false);
+			cur = cur->group_next;
+		}
+		return;
+	} else {
+		client_check_tab_node_visible(c);
+	}
+
+	int32_t bar_w = tw / count;
+	int32_t rem = tw % count;
+	int32_t x = tab_x;
+	cur = head;
+
+	for (int i = 0; i < count && cur; i++) {
+		int32_t w = bar_w + (i < rem ? 1 : 0);
+		global_draw_group_bar(cur, x, tab_y, w, th);
+		x += w;
+		cur = cur->group_next;
+	}
+}
+
 void apply_shield(Client *c, struct wlr_box clip_box) {
 	if (active_capture_count > 0 && c->shield_when_capture) {
 		wlr_scene_node_raise_to_top(&c->shield->node);
@@ -289,18 +371,17 @@ void apply_shield(Client *c, struct wlr_box clip_box) {
 	}
 }
 
-void global_draw_tab_bar(Client *c, int32_t x, int32_t y, int32_t width,
-						 int32_t height) {
-	if (!c->tab_bar_node)
+void global_draw_group_bar(Client *c, int32_t x, int32_t y, int32_t width,
+						   int32_t height) {
+	if (!c->group_bar)
 		return;
 
 	if (height <= 0) {
-		wlr_scene_node_set_enabled(&c->tab_bar_node->scene_buffer->node, false);
+		wlr_scene_node_set_enabled(&c->group_bar->scene_buffer->node, false);
 	}
 
-	wlr_scene_node_set_position(&c->tab_bar_node->scene_buffer->node, x, y);
-	wlr_scene_node_set_enabled(&c->tab_bar_node->scene_buffer->node, true);
-	mango_tab_bar_node_set_size(c->tab_bar_node, width, height);
+	wlr_scene_node_set_position(&c->group_bar->scene_buffer->node, x, y);
+	mango_group_bar_set_size(c->group_bar, width, height);
 }
 
 void apply_split_border(Client *c, bool hit_no_border) {
@@ -437,7 +518,8 @@ void apply_border(Client *c) {
 
 	int32_t right_offset, bottom_offset, left_offset, top_offset;
 
-	if (c == grabc) {
+	if (c == grabc ||
+		(!ISTILED(c) && !c->animation.tagining && !c->animation.tagouting)) {
 		right_offset = 0;
 		bottom_offset = 0;
 		left_offset = 0;
@@ -558,10 +640,8 @@ struct ivec2 clip_to_hide(Client *c, struct wlr_box *clip_box) {
 		(ISSCROLLTILED(c) || c->animation.tagouting || c->animation.tagining)) {
 		c->is_clip_to_hide = true;
 		wlr_scene_node_set_enabled(&c->scene->node, false);
-	} else if (c->is_clip_to_hide && VISIBLEON(c, c->mon) &&
-			   (!c->is_monocle_hide || !is_monocle_layout(c->mon))) {
+	} else if (c->is_clip_to_hide && VISIBLEON(c, c->mon)) {
 		c->is_clip_to_hide = false;
-		c->is_monocle_hide = false;
 		wlr_scene_node_set_enabled(&c->scene->node, true);
 	}
 
@@ -782,6 +862,9 @@ void client_apply_clip(Client *c, float factor) {
 
 		apply_border(c);
 
+		client_draw_title(c);
+		apply_shield(c, clip_box);
+
 		if (clip_box.width <= 0 || clip_box.height <= 0) {
 			return;
 		}
@@ -823,6 +906,9 @@ void client_apply_clip(Client *c, float factor) {
 	// 应用窗口装饰
 	apply_border(c);
 
+	client_draw_title(c);
+	apply_shield(c, clip_box);
+
 	// 如果窗口剪切区域已经剪切到0，则不渲染窗口表面
 	if (clip_box.width <= 0 || clip_box.height <= 0) {
 		should_render_client_surface = false;
@@ -999,7 +1085,7 @@ void client_animation_next_tick(Client *c) {
 			c->animation.current = c->geom;
 		}
 
-		xytonode(cursor->x, cursor->y, NULL, &pointer_c, NULL, &sx, &sy);
+		xytonode(cursor->x, cursor->y, NULL, &pointer_c, NULL, NULL, &sx, &sy);
 
 		surface =
 			pointer_c && pointer_c == c ? client_surface(pointer_c) : NULL;
@@ -1274,6 +1360,8 @@ void resize(Client *c, struct wlr_box geo, int32_t interact) {
 		apply_border(c);
 		client_get_clip(c, &clip);
 		apply_shield(c, clip);
+
+		client_draw_title(c);
 		wlr_scene_subsurface_tree_set_clip(&c->scene_surface->node, &clip);
 		return;
 	}
diff --git a/src/animation/common.h b/src/animation/common.h
index 62a2a494..9e08c770 100644
--- a/src/animation/common.h
+++ b/src/animation/common.h
@@ -30,7 +30,7 @@ struct dvec2 calculate_animation_curve_at(double t, int32_t type) {
 
 void handle_snapshot_meta_destroy(struct wl_listener *listener, void *data) {
 	SnapshotMetadata *meta = wl_container_of(listener, meta, destroy);
-	wl_list_remove(&meta->destroy.link); // 安全移除监听器
+	wl_list_remove(&meta->destroy.link);
 	free(meta);
 }
 
@@ -164,6 +164,7 @@ static bool scene_node_snapshot(struct wlr_scene_node *node, int32_t lx,
 		}
 		meta->orig_width = scene_buffer->dst_width;
 		meta->orig_height = scene_buffer->dst_height;
+		meta->type = Snapshot;
 
 		struct wlr_scene_surface *scene_surface =
 			wlr_scene_surface_try_from_buffer(scene_buffer);
diff --git a/src/animation/tag.h b/src/animation/tag.h
index 859ee1b8..9ff5908f 100644
--- a/src/animation/tag.h
+++ b/src/animation/tag.h
@@ -45,10 +45,8 @@ void set_tagin_animation(Monitor *m, Client *c) {
 
 void set_arrange_visible(Monitor *m, Client *c, bool want_animation) {
 
-	if (!ISTILED(c) || ((!c->is_clip_to_hide || !is_scroller_layout(c->mon)) &&
-						(!c->is_monocle_hide || !is_monocle_layout(c->mon)))) {
+	if (!ISTILED(c) || (!c->is_clip_to_hide || !is_scroller_layout(c->mon))) {
 		c->is_clip_to_hide = false;
-		c->is_monocle_hide = false;
 		wlr_scene_node_set_enabled(&c->scene->node, true);
 		wlr_scene_node_set_enabled(&c->scene_surface->node, true);
 	}
diff --git a/src/config/parse_config.h b/src/config/parse_config.h
index 733990bd..8f953737 100644
--- a/src/config/parse_config.h
+++ b/src/config/parse_config.h
@@ -311,7 +311,7 @@ typedef struct {
 	uint32_t gappoh;
 	uint32_t gappov;
 	uint32_t borderpx;
-	uint32_t tab_bar_height;
+	uint32_t group_bar_height;
 	float scratchpad_width_ratio;
 	float scratchpad_height_ratio;
 	float rootcolor[4];
@@ -989,9 +989,17 @@ FuncType parse_func_name(char *func_name, Arg *arg, char *arg_value,
 	if (strcmp(func_name, "focusstack") == 0) {
 		func = focusstack;
 		(*arg).i = parse_circle_direction(arg_value);
+	} else if (strcmp(func_name, "groupfocus") == 0) {
+		func = groupfocus;
+		(*arg).i = parse_circle_direction(arg_value);
 	} else if (strcmp(func_name, "focusdir") == 0) {
 		func = focusdir;
 		(*arg).i = parse_direction(arg_value);
+	} else if (strcmp(func_name, "groupjoin") == 0) {
+		func = groupjoin;
+		(*arg).i = parse_direction(arg_value);
+	} else if (strcmp(func_name, "groupleave") == 0) {
+		func = groupleave;
 	} else if (strcmp(func_name, "focusid") == 0) {
 		func = focusid;
 	} else if (strcmp(func_name, "incnmaster") == 0) {
@@ -1708,75 +1716,75 @@ bool parse_option(Config *config, char *key, char *value) {
 		config->cursor_size = atoi(value);
 	} else if (strcmp(key, "cursor_theme") == 0) {
 		config->cursor_theme = strdup(value);
-	} else if (strcmp(key, "tab_bar_decorate_font_desc") == 0) {
+	} else if (strcmp(key, "group_bar_decorate_font_desc") == 0) {
 		config->tabdata.font_desc = strdup(value);
-	} else if (strcmp(key, "tab_bar_decorate_fg_color") == 0) {
+	} else if (strcmp(key, "group_bar_decorate_fg_color") == 0) {
 		int64_t color = parse_color(value);
 		if (color == -1) {
 			fprintf(stderr,
 					"\033[1m\033[31m[ERROR]:\033[33m Invalid "
-					"tab_bar_decorate_fg_color "
+					"group_bar_decorate_fg_color "
 					"format: %s\n",
 					value);
 			return false;
 		} else {
 			convert_hex_to_rgba(config->tabdata.fg_color, color);
 		}
-	} else if (strcmp(key, "tab_bar_decorate_bg_color") == 0) {
+	} else if (strcmp(key, "group_bar_decorate_bg_color") == 0) {
 		int64_t color = parse_color(value);
 		if (color == -1) {
 			fprintf(stderr,
 					"\033[1m\033[31m[ERROR]:\033[33m Invalid "
-					"tab_bar_decorate_bg_color "
+					"group_bar_decorate_bg_color "
 					"format: %s\n",
 					value);
 			return false;
 		} else {
 			convert_hex_to_rgba(config->tabdata.bg_color, color);
 		}
-	} else if (strcmp(key, "tab_bar_decorate_focus_fg_color") == 0) {
+	} else if (strcmp(key, "group_bar_decorate_focus_fg_color") == 0) {
 		int64_t color = parse_color(value);
 		if (color == -1) {
 			fprintf(stderr,
 					"\033[1m\033[31m[ERROR]:\033[33m Invalid "
-					"tab_bar_decorate_focus_fg_color "
+					"group_bar_decorate_focus_fg_color "
 					"format: %s\n",
 					value);
 			return false;
 		} else {
 			convert_hex_to_rgba(config->tabdata.focus_fg_color, color);
 		}
-	} else if (strcmp(key, "tab_bar_decorate_focus_bg_color") == 0) {
+	} else if (strcmp(key, "group_bar_decorate_focus_bg_color") == 0) {
 		int64_t color = parse_color(value);
 		if (color == -1) {
 			fprintf(stderr,
 					"\033[1m\033[31m[ERROR]:\033[33m Invalid "
-					"tab_bar_decorate_focus_bg_color "
+					"group_bar_decorate_focus_bg_color "
 					"format: %s\n",
 					value);
 			return false;
 		} else {
 			convert_hex_to_rgba(config->tabdata.focus_bg_color, color);
 		}
-	} else if (strcmp(key, "tab_bar_decorate_border_color") == 0) {
+	} else if (strcmp(key, "group_bar_decorate_border_color") == 0) {
 		int64_t color = parse_color(value);
 		if (color == -1) {
 			fprintf(stderr,
 					"\033[1m\033[31m[ERROR]:\033[33m Invalid "
-					"tab_bar_decorate_border_color "
+					"group_bar_decorate_border_color "
 					"format: %s\n",
 					value);
 			return false;
 		} else {
 			convert_hex_to_rgba(config->tabdata.border_color, color);
 		}
-	} else if (strcmp(key, "tab_bar_decorate_border_width") == 0) {
+	} else if (strcmp(key, "group_bar_decorate_border_width") == 0) {
 		config->tabdata.border_width = CLAMP_INT(atoi(value), 0, 100);
-	} else if (strcmp(key, "tab_bar_decorate_corner_radius") == 0) {
+	} else if (strcmp(key, "group_bar_decorate_corner_radius") == 0) {
 		config->tabdata.corner_radius = CLAMP_INT(atoi(value), 0, 100);
-	} else if (strcmp(key, "tab_bar_decorate_padding_x") == 0) {
+	} else if (strcmp(key, "group_bar_decorate_padding_x") == 0) {
 		config->tabdata.padding_x = CLAMP_INT(atoi(value), 0, 100);
-	} else if (strcmp(key, "tab_bar_decorate_padding_y") == 0) {
+	} else if (strcmp(key, "group_bar_decorate_padding_y") == 0) {
 		config->tabdata.padding_y = CLAMP_INT(atoi(value), 0, 100);
 	} else if (strcmp(key, "jump_label_decorate_font_desc") == 0) {
 		config->jumplabeldata.font_desc = strdup(value);
@@ -1894,8 +1902,8 @@ bool parse_option(Config *config, char *key, char *value) {
 		config->scratchpad_height_ratio = atof(value);
 	} else if (strcmp(key, "borderpx") == 0) {
 		config->borderpx = atoi(value);
-	} else if (strcmp(key, "tab_bar_height") == 0) {
-		config->tab_bar_height = atoi(value);
+	} else if (strcmp(key, "group_bar_height") == 0) {
+		config->group_bar_height = atoi(value);
 	} else if (strcmp(key, "rootcolor") == 0) {
 		int64_t color = parse_color(value);
 		if (color == -1) {
@@ -3480,7 +3488,7 @@ void override_config(void) {
 	config.scratchpad_height_ratio =
 		CLAMP_FLOAT(config.scratchpad_height_ratio, 0.1f, 1.0f);
 	config.borderpx = CLAMP_INT(config.borderpx, 0, 200);
-	config.tab_bar_height = CLAMP_INT(config.tab_bar_height, 0, 500);
+	config.group_bar_height = CLAMP_INT(config.group_bar_height, 0, 500);
 	config.smartgaps = CLAMP_INT(config.smartgaps, 0, 1);
 	config.focused_opacity = CLAMP_FLOAT(config.focused_opacity, 0.0f, 1.0f);
 	config.unfocused_opacity =
@@ -3588,7 +3596,7 @@ void set_value_default() {
 	config.idleinhibit_ignore_visible = 0;
 
 	config.borderpx = 4;
-	config.tab_bar_height = 50;
+	config.group_bar_height = 50;
 	config.overviewgappi = 5;
 	config.overviewgappo = 30;
 	config.cursor_hide_timeout = 0;
@@ -3956,7 +3964,7 @@ void reapply_property(void) {
 
 			mango_jump_label_node_apply_config(c->jump_label_node,
 											   &config.jumplabeldata);
-			mango_tab_bar_node_apply_config(c->tab_bar_node, &config.tabdata);
+			mango_group_bar_apply_config(c->group_bar, &config.tabdata);
 
 			wlr_scene_rect_set_color(c->droparea, config.dropcolor);
 			wlr_scene_rect_set_color(c->splitindicator[0], config.splitcolor);
diff --git a/src/dispatch/bind_declare.h b/src/dispatch/bind_declare.h
index 6960b001..056ae82c 100644
--- a/src/dispatch/bind_declare.h
+++ b/src/dispatch/bind_declare.h
@@ -2,6 +2,8 @@ int32_t minimized(const Arg *arg);
 int32_t restore_minimized(const Arg *arg);
 int32_t toggle_scratchpad(const Arg *arg);
 int32_t focusdir(const Arg *arg);
+int32_t groupjoin(const Arg *arg);
+int32_t groupleave(const Arg *arg);
 int32_t toggleoverview(const Arg *arg);
 int32_t togglejump(const Arg *arg);
 int32_t set_proportion(const Arg *arg);
@@ -38,6 +40,7 @@ int32_t toggleglobal(const Arg *arg);
 int32_t incnmaster(const Arg *arg);
 int32_t focusmon(const Arg *arg);
 int32_t focusstack(const Arg *arg);
+int32_t groupfocus(const Arg *arg);
 int32_t chvt(const Arg *arg);
 int32_t reload_config(const Arg *arg);
 int32_t smartmovewin(const Arg *arg);
diff --git a/src/dispatch/bind_define.h b/src/dispatch/bind_define.h
index ffcee760..607708a4 100644
--- a/src/dispatch/bind_define.h
+++ b/src/dispatch/bind_define.h
@@ -157,6 +157,86 @@ int32_t focusdir(const Arg *arg) {
 	return 0;
 }
 
+int32_t groupjoin(const Arg *arg) {
+
+	if (!selmon)
+		return 0;
+
+	Client *need_join_client = arg->tc ? arg->tc : selmon->sel;
+	if (!need_join_client)
+		return 0;
+
+	if (need_join_client->group_next || need_join_client->group_prev) {
+		return 0;
+	}
+
+	Client *need_replace_client = NULL;
+	need_replace_client = direction_select(arg);
+
+	if (!need_replace_client ||
+		need_replace_client->mon != need_join_client->mon)
+		return 0;
+
+	if (!need_join_client->group_next && !need_join_client->group_prev) {
+
+		if (!need_replace_client->group_prev &&
+			!need_replace_client->group_next) {
+			need_replace_client->isgroupfocusing = true;
+		}
+
+		need_join_client->group_next = need_replace_client;
+		if (need_replace_client->group_prev) {
+			need_replace_client->group_prev->group_next = need_join_client;
+		}
+		need_join_client->group_prev = need_replace_client->group_prev;
+		need_replace_client->group_prev = need_join_client;
+
+		client_focus_group_member(need_join_client);
+		arrange(need_join_client->mon, false, false);
+		return 0;
+	}
+
+	return 0;
+}
+
+int32_t groupleave(const Arg *arg) {
+
+	if (!selmon)
+		return 0;
+	Client *tc = arg->tc ? arg->tc : selmon->sel;
+	if (!tc || !tc->isgroupfocusing)
+		return 0;
+	if (!tc->group_next && !tc->group_prev) {
+		return 0;
+	}
+	Client *rc = tc->group_next ? tc->group_next : tc->group_prev;
+
+	client_focus_group_member(rc);
+
+	if (tc->group_prev) {
+		tc->group_prev->group_next = tc->group_next;
+	}
+
+	if (tc->group_next) {
+		tc->group_next->group_prev = tc->group_prev;
+	}
+
+	tc->group_prev = NULL;
+	tc->group_next = NULL;
+	tc->isgroupfocusing = false;
+
+	wl_list_insert(&rc->link, &tc->link);
+	wl_list_insert(&rc->flink, &tc->flink);
+
+	if (!rc->group_prev && !rc->group_next) {
+		rc->isgroupfocusing = false;
+	}
+
+	arrange(tc->mon, false, false);
+
+	return 0;
+}
+
 int32_t focuslast(const Arg *arg) {
 	Client *c = NULL;
 	Client *tc = NULL;
@@ -262,6 +342,31 @@ int32_t focusstack(const Arg *arg) {
 	return 0;
 }
 
+int32_t groupfocus(const Arg *arg) {
+	Client *c = arg->tc ? arg->tc : selmon->sel;
+	if (!c)
+		return 0;
+
+	if (!c->group_prev && !c->group_next) {
+		return 0;
+	}
+
+	Client *tc = NULL;
+
+	if (arg->i == NEXT) {
+		tc = c->group_next;
+	} else {
+		tc = c->group_prev;
+	}
+
+	if (!tc)
+		return 0;
+
+	client_focus_group_member(tc);
+	arrange(tc->mon, false, false);
+	return 0;
+}
+
 int32_t incnmaster(const Arg *arg) {
 	if (!arg || !selmon)
 		return 0;
@@ -367,7 +472,7 @@ int32_t moveresize(const Arg *arg) {
 
 	if (cursor_mode != CurNormal && cursor_mode != CurPressed)
 		return 0;
-	xytonode(cursor->x, cursor->y, NULL, &grabc, NULL, NULL, NULL);
+	xytonode(cursor->x, cursor->y, NULL, &grabc, NULL, NULL, NULL, NULL);
 	if (!grabc || client_is_unmanaged(grabc) || grabc->isfullscreen ||
 		grabc->ismaximizescreen) {
 		grabc = NULL;
@@ -1437,6 +1542,8 @@ int32_t toggleoverlay(const Arg *arg) {
 		wlr_scene_node_reparent(&c->scene->node,
 								layers[c->isfloating ? LyrTop : LyrTile]);
 	}
+
+	client_reparent_group(c);
 	setborder_color(c);
 	return 0;
 }
diff --git a/src/draw/text-node.c b/src/draw/text-node.c
index c85b25dc..2b6c21d7 100644
--- a/src/draw/text-node.c
+++ b/src/draw/text-node.c
@@ -59,10 +59,9 @@ static const struct wlr_buffer_impl text_buffer_impl = {
 	.end_data_ptr_access = text_buffer_end_data_ptr_access,
 };
 
-struct mango_jump_label_node *
-mango_jump_label_node_create(struct wlr_scene_tree *parent,
-							 DecorateDrawData data) {
-	struct mango_jump_label_node *node = calloc(1, sizeof(*node));
+MangoJumpLabel *mango_jump_label_node_create(struct wlr_scene_tree *parent,
+											 DecorateDrawData data) {
+	MangoJumpLabel *node = calloc(1, sizeof(*node));
 	if (!node)
 		return NULL;
 
@@ -104,7 +103,7 @@ mango_jump_label_node_create(struct wlr_scene_tree *parent,
 	return node;
 }
 
-void mango_jump_label_node_destroy(struct mango_jump_label_node *node) {
+void mango_jump_label_node_destroy(MangoJumpLabel *node) {
 	if (!node)
 		return;
 
@@ -136,8 +135,8 @@ void mango_jump_label_node_destroy(struct mango_jump_label_node *node) {
 	free(node);
 }
 
-void mango_jump_label_node_set_background(struct mango_jump_label_node *node,
-										  float r, float g, float b, float a) {
+void mango_jump_label_node_set_background(MangoJumpLabel *node, float r,
+										  float g, float b, float a) {
 	if (!node)
 		return;
 	node->bg_color[0] = r;
@@ -146,9 +145,9 @@ void mango_jump_label_node_set_background(struct mango_jump_label_node *node,
 	node->bg_color[3] = a;
 }
 
-void mango_jump_label_node_set_border(struct mango_jump_label_node *node,
-									  float r, float g, float b, float a,
-									  int32_t width, int32_t radius) {
+void mango_jump_label_node_set_border(MangoJumpLabel *node, float r, float g,
+									  float b, float a, int32_t width,
+									  int32_t radius) {
 	if (!node)
 		return;
 	node->border_color[0] = r;
@@ -159,17 +158,16 @@ void mango_jump_label_node_set_border(struct mango_jump_label_node *node,
 	node->corner_radius = radius;
 }
 
-void mango_jump_label_node_set_padding(struct mango_jump_label_node *node,
-									   int32_t pad_x, int32_t pad_y) {
+void mango_jump_label_node_set_padding(MangoJumpLabel *node, int32_t pad_x,
+									   int32_t pad_y) {
 	if (!node)
 		return;
 	node->padding_x = pad_x >= 0 ? pad_x : 0;
 	node->padding_y = pad_y >= 0 ? pad_y : 0;
 }
 
-static void get_text_pixel_size(struct mango_jump_label_node *node,
-								const char *text, float scale, int32_t *out_w,
-								int32_t *out_h) {
+static void get_text_pixel_size(MangoJumpLabel *node, const char *text,
+								float scale, int32_t *out_w, int32_t *out_h) {
 	if (node->measure_scale != scale) {
 		pango_cairo_context_set_resolution(node->measure_context, 96.0 * scale);
 		node->measure_scale = scale;
@@ -193,8 +191,8 @@ static void draw_rounded_rect(cairo_t *cr, double x, double y, double w,
 	cairo_close_path(cr);
 }
 
-void mango_jump_label_node_update(struct mango_jump_label_node *node,
-								  const char *text, float scale) {
+void mango_jump_label_node_update(MangoJumpLabel *node, const char *text,
+								  float scale) {
 	if (!node || !text)
 		return;
 	if (scale <= 0.0f)
@@ -407,8 +405,7 @@ void mango_jump_label_node_update(struct mango_jump_label_node *node,
 								   node->logical_height);
 }
 
-void mango_jump_label_node_set_focus(struct mango_jump_label_node *node,
-									 bool focused) {
+void mango_jump_label_node_set_focus(MangoJumpLabel *node, bool focused) {
 	if (!node || node->focused == focused)
 		return;
 	node->focused = focused;
@@ -419,55 +416,61 @@ void mango_jump_label_node_set_focus(struct mango_jump_label_node *node,
 	}
 }
 
-struct mango_tab_bar_node *
-mango_tab_bar_node_create(void *mango_node_data, struct wlr_scene_tree *parent,
-						  DecorateDrawData data, int32_t width,
-						  int32_t height) {
-	struct mango_tab_bar_node *node = calloc(1, sizeof(*node));
-	if (!node)
+MangoGroupBar *mango_group_bar_create(void *cdata, uint32_t type,
+									  struct wlr_scene_tree *parent,
+									  DecorateDrawData data, int32_t width,
+									  int32_t height) {
+	MangoGroupBar *mangobar = calloc(1, sizeof(*mangobar));
+	if (!mangobar)
 		return NULL;
 
-	node->scene_buffer = wlr_scene_buffer_create(parent, NULL);
-	if (!node->scene_buffer) {
-		free(node);
+	mangobar->scene_buffer = wlr_scene_buffer_create(parent, NULL);
+	if (!mangobar->scene_buffer) {
+		free(mangobar);
 		return NULL;
 	}
 
-	memcpy(node->fg_color, data.fg_color, sizeof(node->fg_color));
-	memcpy(node->bg_color, data.bg_color, sizeof(node->bg_color));
-	memcpy(node->focus_fg_color, data.focus_fg_color,
-		   sizeof(node->focus_fg_color));
-	memcpy(node->focus_bg_color, data.focus_bg_color,
-		   sizeof(node->focus_bg_color));
-	memcpy(node->border_color, data.border_color, sizeof(node->border_color));
-	node->border_width = data.border_width;
-	node->corner_radius = data.corner_radius;
-	node->padding_x = data.padding_x;
-	node->padding_y = data.padding_y;
-	node->font_desc =
+	memcpy(mangobar->fg_color, data.fg_color, sizeof(mangobar->fg_color));
+	memcpy(mangobar->bg_color, data.bg_color, sizeof(mangobar->bg_color));
+	memcpy(mangobar->focus_fg_color, data.focus_fg_color,
+		   sizeof(mangobar->focus_fg_color));
+	memcpy(mangobar->focus_bg_color, data.focus_bg_color,
+		   sizeof(mangobar->focus_bg_color));
+	memcpy(mangobar->border_color, data.border_color,
+		   sizeof(mangobar->border_color));
+	mangobar->border_width = data.border_width;
+	mangobar->corner_radius = data.corner_radius;
+	mangobar->padding_x = data.padding_x;
+	mangobar->padding_y = data.padding_y;
+	mangobar->font_desc =
 		g_strdup(data.font_desc ? data.font_desc : "monospace Bold 16");
 
-	node->target_width = width;
-	node->target_height = height;
-	node->focused = false;
-	node->cached_focused = false;
+	mangobar->target_width = width;
+	mangobar->target_height = height;
+	mangobar->focused = false;
+	mangobar->cached_focused = false;
 
-	node->measure_surface =
+	mangobar->measure_surface =
 		cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 1, 1);
-	node->measure_cr = cairo_create(node->measure_surface);
-	node->measure_context = pango_cairo_create_context(node->measure_cr);
-	node->measure_layout = pango_layout_new(node->measure_context);
-	node->measure_scale = 1.0f;
+	mangobar->measure_cr = cairo_create(mangobar->measure_surface);
+	mangobar->measure_context =
+		pango_cairo_create_context(mangobar->measure_cr);
+	mangobar->measure_layout = pango_layout_new(mangobar->measure_context);
+	mangobar->measure_scale = 1.0f;
 
-	node->cached_scale = -1.0f;
-	node->last_text = NULL;
-	node->last_scale = 0.0f;
-	node->scene_buffer->node.data = mango_node_data;
+	mangobar->cached_scale = -1.0f;
+	mangobar->last_text = NULL;
+	mangobar->last_scale = 0.0f;
 
-	return node;
+	mangobar->type = type;
+	mangobar->node_data = cdata;
+
+	mangobar->scene_buffer->node.data = mangobar;
+
+	return mangobar;
 }
 
-void mango_tab_bar_node_destroy(struct mango_tab_bar_node *node) {
+void mango_group_bar_destroy(MangoGroupBar *node) {
 	if (!node)
 		return;
 
@@ -492,19 +495,15 @@ void mango_tab_bar_node_destroy(struct mango_tab_bar_node *node) {
 	if (node->measure_cr)
 		cairo_destroy(node->measure_cr);
 
-	void *data = node->scene_buffer->node.data;
-	wlr_scene_node_destroy(&node->scene_buffer->node);
-
 	g_free(node->font_desc);
 	g_free(node->cached_text);
 	g_free(node->cached_font_desc);
 	g_free(node->last_text);
-	free(data);
 	free(node);
 }
 
-void mango_tab_bar_node_set_size(struct mango_tab_bar_node *node, int32_t width,
-								 int32_t height) {
+void mango_group_bar_set_size(MangoGroupBar *node, int32_t width,
+							  int32_t height) {
 	if (!node)
 		return;
 
@@ -522,11 +521,11 @@ void mango_tab_bar_node_set_size(struct mango_tab_bar_node *node, int32_t width,
 	const char *redraw_text = node->last_text ? node->last_text : "";
 	float redraw_scale = node->last_scale > 0.0f ? node->last_scale : 1.0f;
 
-	mango_tab_bar_node_update(node, redraw_text, redraw_scale);
+	mango_group_bar_update(node, redraw_text, redraw_scale);
 }
 
-void mango_tab_bar_node_update(struct mango_tab_bar_node *node,
-							   const char *text, float scale) {
+void mango_group_bar_update(MangoGroupBar *node, const char *text,
+							float scale) {
 	if (!node || !text)
 		return;
 	if (scale <= 0.0f)
@@ -765,19 +764,18 @@ void mango_tab_bar_node_update(struct mango_tab_bar_node *node,
 								   node->logical_height);
 }
 
-void mango_tab_bar_node_set_focus(struct mango_tab_bar_node *node,
-								  bool focused) {
+void mango_group_bar_set_focus(MangoGroupBar *node, bool focused) {
 	if (!node || node->focused == focused)
 		return;
 	node->focused = focused;
 	if (node->last_text) {
 		float scale = node->last_scale > 0.0f ? node->last_scale : 1.0f;
-		mango_tab_bar_node_update(node, node->last_text, scale);
+		mango_group_bar_update(node, node->last_text, scale);
 	}
 }
 
-void mango_tab_bar_node_set_colors(struct mango_tab_bar_node *node,
-								   const float fg[4], const float bg[4]) {
+void mango_group_bar_set_colors(MangoGroupBar *node, const float fg[4],
+								const float bg[4]) {
 	if (!node)
 		return;
 
@@ -786,11 +784,11 @@ void mango_tab_bar_node_set_colors(struct mango_tab_bar_node *node,
 
 	if (!node->focused && node->last_text) {
 		float scale = node->last_scale > 0.0f ? node->last_scale : 1.0f;
-		mango_tab_bar_node_update(node, node->last_text, scale);
+		mango_group_bar_update(node, node->last_text, scale);
 	}
 }
 
-void mango_jump_label_node_apply_config(struct mango_jump_label_node *node,
+void mango_jump_label_node_apply_config(MangoJumpLabel *node,
 										const DecorateDrawData *data) {
 	if (!node || !data)
 		return;
@@ -817,8 +815,8 @@ void mango_jump_label_node_apply_config(struct mango_jump_label_node *node,
 	}
 }
 
-void mango_tab_bar_node_apply_config(struct mango_tab_bar_node *node,
-									 const DecorateDrawData *data) {
+void mango_group_bar_apply_config(MangoGroupBar *node,
+								  const DecorateDrawData *data) {
 	if (!node || !data)
 		return;
 
@@ -840,6 +838,6 @@ void mango_tab_bar_node_apply_config(struct mango_tab_bar_node *node,
 
 	if (node->last_text) {
 		float scale = node->last_scale > 0.0f ? node->last_scale : 1.0f;
-		mango_tab_bar_node_update(node, node->last_text, scale);
+		mango_group_bar_update(node, node->last_text, scale);
 	}
 }
\ No newline at end of file
diff --git a/src/draw/text-node.h b/src/draw/text-node.h
index 079af908..23ac4f9a 100644
--- a/src/draw/text-node.h
+++ b/src/draw/text-node.h
@@ -26,8 +26,7 @@ struct mango_text_buffer {
 	struct wlr_buffer base;
 	cairo_surface_t *surface;
 };
-
-struct mango_jump_label_node {
+typedef struct {
 	struct wlr_scene_buffer *scene_buffer;
 	struct mango_text_buffer *buffer;
 	cairo_surface_t *surface;
@@ -70,13 +69,15 @@ struct mango_jump_label_node {
 
 	int32_t logical_width;
 	int32_t logical_height;
-};
+} MangoJumpLabel;
 
-struct mango_tab_bar_node {
+typedef struct {
+	uint32_t type; // must at first in struct
 	struct wlr_scene_buffer *scene_buffer;
 	struct mango_text_buffer *buffer;
 	cairo_surface_t *surface;
 	int surface_pixel_w, surface_pixel_h;
+	void *node_data; // 存储窗口指针
 
 	// 初始配置
 	float fg_color[4];
@@ -126,41 +127,38 @@ struct mango_tab_bar_node {
 
 	int32_t logical_width;
 	int32_t logical_height;
-};
+} MangoGroupBar;
 
 void mango_text_global_finish(void);
-struct mango_jump_label_node *
-mango_jump_label_node_create(struct wlr_scene_tree *parent,
-							 DecorateDrawData data);
-void mango_jump_label_node_destroy(struct mango_jump_label_node *node);
-void mango_jump_label_node_set_background(struct mango_jump_label_node *node,
-										  float r, float g, float b, float a);
-void mango_jump_label_node_set_border(struct mango_jump_label_node *node,
-									  float r, float g, float b, float a,
-									  int32_t width, int32_t radius);
-void mango_jump_label_node_set_padding(struct mango_jump_label_node *node,
-									   int32_t pad_x, int32_t pad_y);
-void mango_jump_label_node_update(struct mango_jump_label_node *node,
-								  const char *text, float scale);
+MangoJumpLabel *mango_jump_label_node_create(struct wlr_scene_tree *parent,
+											 DecorateDrawData data);
+void mango_jump_label_node_destroy(MangoJumpLabel *node);
+void mango_jump_label_node_set_background(MangoJumpLabel *node, float r,
+										  float g, float b, float a);
+void mango_jump_label_node_set_border(MangoJumpLabel *node, float r, float g,
+									  float b, float a, int32_t width,
+									  int32_t radius);
+void mango_jump_label_node_set_padding(MangoJumpLabel *node, int32_t pad_x,
+									   int32_t pad_y);
+void mango_jump_label_node_update(MangoJumpLabel *node, const char *text,
+								  float scale);
 
-struct mango_tab_bar_node *
-mango_tab_bar_node_create(void *mango_node_data, struct wlr_scene_tree *parent,
-						  DecorateDrawData data, int32_t width, int32_t height);
-void mango_tab_bar_node_destroy(struct mango_tab_bar_node *node);
-void mango_tab_bar_node_set_size(struct mango_tab_bar_node *node, int32_t width,
-								 int32_t height);
-void mango_tab_bar_node_update(struct mango_tab_bar_node *node,
-							   const char *text, float scale);
+MangoGroupBar *mango_group_bar_create(void *cdata, uint32_t type,
+									  struct wlr_scene_tree *parent,
+									  DecorateDrawData data, int32_t width,
+									  int32_t height);
+void mango_group_bar_destroy(MangoGroupBar *node);
+void mango_group_bar_set_size(MangoGroupBar *node, int32_t width,
+							  int32_t height);
+void mango_group_bar_update(MangoGroupBar *node, const char *text, float scale);
 
-void mango_jump_label_node_set_focus(struct mango_jump_label_node *node,
-									 bool focused);
-void mango_tab_bar_node_set_focus(struct mango_tab_bar_node *node,
-								  bool focused);
+void mango_jump_label_node_set_focus(MangoJumpLabel *node, bool focused);
+void mango_group_bar_set_focus(MangoGroupBar *node, bool focused);
 
-void mango_tab_bar_node_set_colors(struct mango_tab_bar_node *node,
-								   const float fg[4], const float bg[4]);
-void mango_jump_label_node_apply_config(struct mango_jump_label_node *node,
+void mango_group_bar_set_colors(MangoGroupBar *node, const float fg[4],
+								const float bg[4]);
+void mango_jump_label_node_apply_config(MangoJumpLabel *node,
 										const DecorateDrawData *data);
-void mango_tab_bar_node_apply_config(struct mango_tab_bar_node *node,
-									 const DecorateDrawData *data);
+void mango_group_bar_apply_config(MangoGroupBar *node,
+								  const DecorateDrawData *data);
 #endif // jump_label_node_H
\ No newline at end of file
diff --git a/src/ext-protocol/tablet.h b/src/ext-protocol/tablet.h
index 34c82dbf..afa0ebc1 100644
--- a/src/ext-protocol/tablet.h
+++ b/src/ext-protocol/tablet.h
@@ -281,7 +281,7 @@ void tablettoolmotion(struct TabletTool *tool, bool change_x, bool change_y,
 	if (config.sloppyfocus)
 		selmon = xytomon(cursor->x, cursor->y);
 
-	xytonode(cursor->x, cursor->y, &surface, &c, NULL, &sx, &sy);
+	xytonode(cursor->x, cursor->y, &surface, &c, NULL, NULL, &sx, &sy);
 	if (cursor_mode == CurPressed && !seat->drag &&
 		surface != seat->pointer_state.focused_surface &&
 		toplevel_from_wlr_surface(seat->pointer_state.focused_surface, &w,
diff --git a/src/ext-protocol/text-input.h b/src/ext-protocol/text-input.h
index 7b4e1a1f..0eb89881 100644
--- a/src/ext-protocol/text-input.h
+++ b/src/ext-protocol/text-input.h
@@ -27,6 +27,7 @@ struct dwl_input_method_relay {
 };
 
 struct dwl_input_method_popup {
+	uint32_t type; // must at first in struct
 	struct wlr_input_popup_surface_v2 *popup_surface;
 	struct wlr_scene_tree *tree;
 	struct wlr_scene_tree *scene_surface;
@@ -404,6 +405,8 @@ static void handle_input_method_new_popup_surface(struct wl_listener *listener,
 	popup->tree = wlr_scene_tree_create(layers[LyrIMPopup]);
 	popup->scene_surface = wlr_scene_subsurface_tree_create(
 		popup->tree, popup->popup_surface->surface);
+
+	popup->type = XdgImPopup;
 	popup->scene_surface->node.data = popup;
 
 	wl_list_insert(&relay->popups, &popup->link);
diff --git a/src/fetch/client.h b/src/fetch/client.h
index a44f4ca7..e7d8e673 100644
--- a/src/fetch/client.h
+++ b/src/fetch/client.h
@@ -188,8 +188,6 @@ Client *find_client_by_direction(Client *tc, const Arg *arg,
 				continue;
 			if (!findfloating && c->isfloating)
 				continue;
-			if (c->is_monocle_hide)
-				continue;
 			if (c->isunglobal)
 				continue;
 			if (!config.focus_cross_monitor && c->mon != tc->mon)
@@ -197,11 +195,6 @@ Client *find_client_by_direction(Client *tc, const Arg *arg,
 			if (!(c->tags & c->mon->tagset[c->mon->seltags]))
 				continue;
 
-			if (step == 0 && ((!tc->mon->isoverview &&
-							   !client_is_in_same_stack(tc, c, NULL)) ||
-							  c->mon != tc->mon))
-				continue;
-
 			int32_t c_l = c->geom.x;
 			int32_t c_r = c->geom.x + c->geom.width;
 			int32_t c_t = c->geom.y;
@@ -257,17 +250,24 @@ Client *find_client_by_direction(Client *tc, const Arg *arg,
 			if (!match_dir)
 				continue;
 
+			if (step == 0) {
+				if (c->mon != tc->mon)
+					continue;
+				if (!tc->mon->isoverview &&
+					!client_is_in_same_stack(tc, c, NULL))
+					continue;
+				if (orth_dist != 0)
+					continue;
+			}
+
 			int64_t penalty = 0;
 			if (main_dist < 0) {
-				penalty = 10000000000LL; // 主方向重叠（反方向）的极大惩罚
+				penalty = 10000000000LL;
 				main_dist = -main_dist;
 			}
 
-			// 正交方向无重叠惩罚，优先选择在同一行/列的窗口
 			int64_t no_overlap_penalty = 0;
 			if (orth_dist > 0) {
-				// LEFT/RIGHT 时 orth_dist 是垂直间距，>0 表示垂直无重叠
-				// UP/DOWN  时 orth_dist 是水平间距，>0 表示水平无重叠
 				no_overlap_penalty = 10000000LL;
 			}
 
@@ -442,7 +442,7 @@ Client *get_focused_stack_client(Client *sc, Client *custom_focus_client) {
 		return sc;
 
 	wl_list_for_each(tc, &fstack, flink) {
-		if (tc->iskilling || tc->isunglobal || tc->is_monocle_hide)
+		if (tc->iskilling || tc->isunglobal)
 			continue;
 		if (!VISIBLEON(tc, sc->mon))
 			continue;
diff --git a/src/fetch/common.h b/src/fetch/common.h
index acb5d0e8..d017dff3 100644
--- a/src/fetch/common.h
+++ b/src/fetch/common.h
@@ -100,23 +100,30 @@ static bool layer_ignores_focus(LayerSurface *l) {
 }
 
 void xytonode(double x, double y, struct wlr_surface **psurface, Client **pc,
-			  LayerSurface **pl, double *nx, double *ny) {
-	struct wlr_scene_node *node, *pnode;
+			  LayerSurface **pl, MangoGroupBar **gb, double *nx, double *ny) {
+	struct wlr_scene_node *node = NULL, *pnode = NULL;
 	struct wlr_surface *surface = NULL;
 	Client *c = NULL;
 	LayerSurface *l = NULL;
+	MangoGroupBar *mangogroupbar = NULL;
 	int32_t layer;
 	Client *ovc = NULL;
 
-	for (layer = NUM_LAYERS - 1; !surface && layer >= 0; layer--) {
+	if (psurface)
+		*psurface = NULL;
+	if (pc)
+		*pc = NULL;
+	if (pl)
+		*pl = NULL;
+	if (gb)
+		*gb = NULL;
 
+	for (layer = NUM_LAYERS - 1; layer >= 0; layer--) {
 		if (layer == LyrFadeOut)
 			continue;
 
-		if (!(node = wlr_scene_node_at(&layers[layer]->node, x, y, nx, ny)))
-			continue;
-
-		if (!node->enabled)
+		node = wlr_scene_node_at(&layers[layer]->node, x, y, nx, ny);
+		if (!node)
 			continue;
 
 		if (node->type == WLR_SCENE_NODE_BUFFER) {
@@ -125,23 +132,30 @@ void xytonode(double x, double y, struct wlr_surface **psurface, Client **pc,
 					wlr_scene_buffer_from_node(node));
 			if (scene_surface) {
 				surface = scene_surface->surface;
-			} else {
-				continue;
 			}
 		}
 
-		/*  start from the topmost layer,
-			find a sureface that can be focused by pointer,
-			impopup neither a client nor a layer surface.*/
 		if (layer == LyrIMPopup) {
 			c = NULL;
 			l = NULL;
 		} else {
-			for (pnode = node; pnode && !c; pnode = &pnode->parent->node)
-				c = pnode->data;
-			if (c && c->type == LayerShell) {
-				l = (LayerSurface *)c;
-				c = NULL;
+			void *data = NULL;
+			for (pnode = node; pnode; pnode = &pnode->parent->node) {
+				if (pnode->data) {
+					data = pnode->data;
+					break;
+				}
+			}
+
+			if (data) {
+				Client *temp_c = (Client *)data;
+				if (temp_c->type == LayerShell) {
+					l = (LayerSurface *)temp_c;
+				} else if (temp_c->type == GroupBar) {
+					mangogroupbar = (MangoGroupBar *)temp_c;
+				} else if (temp_c->type == XDGShell || temp_c->type == X11) {
+					c = temp_c;
+				}
 			}
 		}
 
@@ -149,8 +163,9 @@ void xytonode(double x, double y, struct wlr_surface **psurface, Client **pc,
 			if (c) {
 				surface = client_surface(c);
 			}
-			break;
 		}
+
+		break;
 	}
 
 	if (psurface)
@@ -159,6 +174,8 @@ void xytonode(double x, double y, struct wlr_surface **psurface, Client **pc,
 		*pc = c;
 	if (pl)
 		*pl = l;
+	if (gb)
+		*gb = mangogroupbar;
 
 	if (selmon && selmon->isoverview && config.ov_no_resize) {
 		ovc = xytoclient(x, y);
@@ -174,12 +191,12 @@ void xytonode(double x, double y, struct wlr_surface **psurface, Client **pc,
 		if (ovc && (!l || layer_ignores_focus(l) || is_below)) {
 			if (pc)
 				*pc = ovc;
-
 			if (psurface)
 				*psurface = ovc ? client_surface(ovc) : NULL;
-
-			if (pl && ovc)
+			if (pl)
 				*pl = NULL;
+			if (gb)
+				*gb = NULL;
 		}
 	}
 }
\ No newline at end of file
diff --git a/src/layout/arrange.h b/src/layout/arrange.h
index 4782b3ea..803970da 100644
--- a/src/layout/arrange.h
+++ b/src/layout/arrange.h
@@ -20,7 +20,7 @@ void set_size_per(Monitor *m, Client *c) {
 		}
 	}
 
-	if (!found) {
+	if (!found || c->isfloating) {
 		c->master_mfact_per = m->pertag->mfacts[m->pertag->curtag];
 		c->master_inner_per = 1.0f;
 		c->stack_inner_per = 1.0f;
@@ -37,21 +37,6 @@ void set_size_per(Monitor *m, Client *c) {
 	}
 }
 
-void monocle_set_focus(Client *c, bool focused) {
-
-	if (!c || !c->mon)
-		return;
-
-	c->is_monocle_hide = !focused;
-	mango_tab_bar_node_set_focus(c->tab_bar_node, focused);
-	wlr_scene_node_set_enabled(&c->scene->node, focused);
-
-	if (!focused) {
-		c->animation.current = c->animainit_geom = c->animation.initial =
-			c->pending = c->current = c->geom;
-	}
-}
-
 void resize_tile_master_horizontal(Client *grabc, bool isdrag, int32_t offsetx,
 								   int32_t offsety, uint32_t time,
 								   int32_t type) {
@@ -1147,14 +1132,8 @@ void pre_caculate_before_arrange(Monitor *m, bool want_animation,
 			client_add_jump_label_node(c);
 		}
 
-		if (m->pertag->ltidxs[m->pertag->curtag]->id == MONOCLE &&
-			!c->tab_bar_node) {
-			client_add_tab_bar_node(c);
-		}
-
-		if (c->tab_bar_node && c->mon == m) {
-			wlr_scene_node_set_enabled(&c->tab_bar_node->scene_buffer->node,
-									   false);
+		if (c->group_bar && c->group_bar->scene_buffer->node.enabled) {
+			client_check_tab_node_visible(c);
 		}
 
 		if (c->mon == m && (c->isglobal || c->isunglobal)) {
diff --git a/src/layout/dwindle.h b/src/layout/dwindle.h
index 5e56a6bf..e291c69b 100644
--- a/src/layout/dwindle.h
+++ b/src/layout/dwindle.h
@@ -261,7 +261,7 @@ static void dwindle_assign(DwindleNode *node, int32_t ax, int32_t ay,
 				!node->client->ismaximizescreen) {
 				struct wlr_box box = {ax, ay, MANGO_MAX(1, aw),
 									  MANGO_MAX(1, ah)};
-				resize(node->client, box, 0);
+				client_tile_resize(node->client, box, 0);
 			}
 		}
 		return;
diff --git a/src/layout/horizontal.h b/src/layout/horizontal.h
index 96c0ed54..8788c210 100644
--- a/src/layout/horizontal.h
+++ b/src/layout/horizontal.h
@@ -545,83 +545,32 @@ void deck(Monitor *m) {
 	}
 }
 
-void monocle(Monitor *m) {
-	Client *c = NULL, *fc = NULL;
+void // 17
+monocle(Monitor *m) {
+	Client *c = NULL;
 	struct wlr_box geom;
+
 	int32_t cur_gappov = enablegaps ? m->gappov : 0;
 	int32_t cur_gappoh = enablegaps ? m->gappoh : 0;
-	int32_t cur_gapiv = enablegaps ? m->gappiv : 0;
-	int32_t cur_gapih = enablegaps ? m->gappih : 0;
 
-	if (config.smartgaps && m->visible_fake_tiling_clients == 1) {
-		cur_gappov = cur_gappoh = cur_gapiv = cur_gapih = 0;
-	}
-
-	int n = m->visible_fake_tiling_clients;
-	if (n == 0)
-		return;
-
-	wl_list_for_each(c, &fstack, flink) {
-		if (c->iskilling || c->isunglobal || !ISFAKETILED(c))
-			continue;
-		if (VISIBLEON(c, m)) {
-			fc = c;
-			break;
-		}
-	}
-
-	if (n == 1) {
-		geom.x = m->w.x + cur_gappoh;
-		geom.y = m->w.y + cur_gappov;
-		geom.width = m->w.width - 2 * cur_gappoh;
-		geom.height = m->w.height - 2 * cur_gappov;
-		client_tile_resize(fc, geom, 0);
-		monocle_set_focus(fc, true);
-		return;
-	}
-
-	int tab_bar_height = config.tab_bar_height;
-
-	int tab_bar_inner_gap_height =
-		config.tab_bar_height > 0 ? 2 * cur_gapiv : 0;
-	int tab_bar_y_offset = config.tab_bar_height > 0 ? cur_gapiv : 0;
-
-	int tab_y = m->w.y + cur_gappov;
-	int main_y = tab_y + tab_bar_height + tab_bar_y_offset;
-	int main_height = m->w.height - 2 * cur_gappov - tab_bar_inner_gap_height -
-					  tab_bar_height;
-
-	int tab_area_width = m->w.width - 2 * cur_gappoh;
-
-	int total_gaps = (n - 1) * cur_gapih;
-	int base_width = (tab_area_width - total_gaps) / n;
-	int remainder = (tab_area_width - total_gaps) % n;
-
-	int tab_x = m->w.x + cur_gappoh;
-	int idx = 0;
+	cur_gappoh = config.smartgaps && m->visible_fake_tiling_clients == 1
+					 ? 0
+					 : cur_gappoh;
+	cur_gappov = config.smartgaps && m->visible_fake_tiling_clients == 1
+					 ? 0
+					 : cur_gappov;
 
 	wl_list_for_each(c, &clients, link) {
 		if (!VISIBLEON(c, m) || !ISFAKETILED(c))
 			continue;
-
-		if (c == fc) {
-			monocle_set_focus(c, true);
-		} else {
-			monocle_set_focus(c, false);
-		}
-
 		geom.x = m->w.x + cur_gappoh;
-		geom.y = main_y;
+		geom.y = m->w.y + cur_gappov;
 		geom.width = m->w.width - 2 * cur_gappoh;
-		geom.height = main_height;
+		geom.height = m->w.height - 2 * cur_gappov;
 		client_tile_resize(c, geom, 0);
-
-		int tw = base_width + (idx < remainder ? 1 : 0);
-		global_draw_tab_bar(c, tab_x, tab_y, tw, tab_bar_height);
-
-		tab_x += tw + cur_gapih;
-		idx++;
 	}
+	if ((c = focustop(m)))
+		wlr_scene_node_raise_to_top(&c->scene->node);
 }
 
 // 网格布局窗口大小和位置计算
diff --git a/src/layout/overview.h b/src/layout/overview.h
index 1ae9e7a0..80b2e31d 100644
--- a/src/layout/overview.h
+++ b/src/layout/overview.h
@@ -1,4 +1,3 @@
-
 typedef struct {
 	float x, y, w, h;
 } OvPlacedRect;
@@ -232,16 +231,20 @@ void overview_scale(Monitor *m) {
 		float base_x = m->w.x + target_gappo + dx;
 		float base_y = m->w.y + target_gappo + dy;
 
+		// 收集所有客户端的目标几何，最后统一调用 client_tile_resize
+		struct wlr_box overview_boxes[n]; // C99 VLA，n > 0 时有效
 		for (int k = 0; k < n; k++) {
-			Client *cl = items[k].c;
-			struct wlr_box geom;
-			geom.x = (int)(base_x + placed[k].x + 0.5f);
-			geom.y = (int)(base_y + placed[k].y + 0.5f);
 			float w = items[k].orig_w * best_s;
 			float h = items[k].orig_h * best_s;
-			geom.width = (int)(geom.x + w + 0.5f) - geom.x;
-			geom.height = (int)(geom.y + h + 0.5f) - geom.y;
-			resize(cl, geom, 0);
+			int ix = (int)(base_x + placed[k].x + 0.5f);
+			int iy = (int)(base_y + placed[k].y + 0.5f);
+			int iw = (int)(ix + w + 0.5f) - ix;
+			int ih = (int)(iy + h + 0.5f) - iy;
+			overview_boxes[k] = (struct wlr_box){ix, iy, iw, ih};
+		}
+
+		for (int k = 0; k < n; k++) {
+			client_tile_resize(items[k].c, overview_boxes[k], 0);
 		}
 	}
 
@@ -280,74 +283,69 @@ void overview_resize(Monitor *m) {
 		return;
 	}
 
+	// 临时存储每个客户端的目标几何
+	struct wlr_box boxes[n]; // C99 VLA
+
 	if (n == 1) {
 		int32_t cw = (m->w.width - 2 * target_gappo) * single_width_ratio;
 		int32_t ch = (m->w.height - 2 * target_gappo) * single_height_ratio;
-		c_arr[0]->geom.x = m->w.x + (m->w.width - cw) / 2;
-		c_arr[0]->geom.y = m->w.y + (m->w.height - ch) / 2;
-		c_arr[0]->geom.width = cw;
-		c_arr[0]->geom.height = ch;
-		resize(c_arr[0], c_arr[0]->geom, 0);
-		free(c_arr);
-		return;
-	}
-
-	if (n == 2) {
+		boxes[0].x = m->w.x + (m->w.width - cw) / 2;
+		boxes[0].y = m->w.y + (m->w.height - ch) / 2;
+		boxes[0].width = cw;
+		boxes[0].height = ch;
+	} else if (n == 2) {
 		int32_t cw = (m->w.width - 2 * target_gappo - target_gappi) / 2;
 		int32_t ch = (m->w.height - 2 * target_gappo) * 0.65f;
 
-		c_arr[0]->geom.x = m->w.x + target_gappo;
-		c_arr[0]->geom.y = m->w.y + (m->w.height - ch) / 2 + target_gappo;
-		c_arr[0]->geom.width = cw;
-		c_arr[0]->geom.height = ch;
-		resize(c_arr[0], c_arr[0]->geom, 0);
+		boxes[0].x = m->w.x + target_gappo;
+		boxes[0].y = m->w.y + (m->w.height - ch) / 2 + target_gappo;
+		boxes[0].width = cw;
+		boxes[0].height = ch;
 
-		c_arr[1]->geom.x = m->w.x + cw + target_gappo + target_gappi;
-		c_arr[1]->geom.y = m->w.y + (m->w.height - ch) / 2 + target_gappo;
-		c_arr[1]->geom.width = cw;
-		c_arr[1]->geom.height = ch;
-		resize(c_arr[1], c_arr[1]->geom, 0);
+		boxes[1].x = m->w.x + cw + target_gappo + target_gappi;
+		boxes[1].y = m->w.y + (m->w.height - ch) / 2 + target_gappo;
+		boxes[1].width = cw;
+		boxes[1].height = ch;
+	} else {
+		int32_t cols = 1;
+		while (cols * cols < n)
+			cols++;
+		int32_t rows = (n + cols - 1) / cols;
 
-		free(c_arr);
-		return;
-	}
+		int32_t ch =
+			(m->w.height - 2 * target_gappo - (rows - 1) * target_gappi) / rows;
+		int32_t cw =
+			(m->w.width - 2 * target_gappo - (cols - 1) * target_gappi) / cols;
 
-	int32_t cols = 1;
-	while (cols * cols < n) {
-		cols++;
-	}
-	int32_t rows = (n + cols - 1) / cols;
+		if (ch < 1)
+			ch = 1;
+		if (cw < 1)
+			cw = 1;
 
-	int32_t ch =
-		(m->w.height - 2 * target_gappo - (rows - 1) * target_gappi) / rows;
-	int32_t cw =
-		(m->w.width - 2 * target_gappo - (cols - 1) * target_gappi) / cols;
-
-	if (ch < 1)
-		ch = 1;
-	if (cw < 1)
-		cw = 1;
-
-	int32_t overcols = n % cols;
-	int32_t dx = 0;
-	if (overcols) {
-		dx = (m->w.width - overcols * cw - (overcols - 1) * target_gappi) / 2 -
-			 target_gappo;
-	}
-
-	for (int i = 0; i < n; i++) {
-		int32_t cx = m->w.x + (i % cols) * (cw + target_gappi);
-		int32_t cy = m->w.y + (i / cols) * (ch + target_gappi);
-
-		if (overcols && i >= n - overcols) {
-			cx += dx;
+		int32_t overcols = n % cols;
+		int32_t dx = 0;
+		if (overcols) {
+			dx = (m->w.width - overcols * cw - (overcols - 1) * target_gappi) /
+					 2 -
+				 target_gappo;
 		}
 
-		c_arr[i]->geom.x = cx + target_gappo;
-		c_arr[i]->geom.y = cy + target_gappo;
-		c_arr[i]->geom.width = cw;
-		c_arr[i]->geom.height = ch;
-		resize(c_arr[i], c_arr[i]->geom, 0);
+		for (int i = 0; i < n; i++) {
+			int32_t cx = m->w.x + (i % cols) * (cw + target_gappi);
+			int32_t cy = m->w.y + (i / cols) * (ch + target_gappi);
+			if (overcols && i >= n - overcols)
+				cx += dx;
+
+			boxes[i].x = cx + target_gappo;
+			boxes[i].y = cy + target_gappo;
+			boxes[i].width = cw;
+			boxes[i].height = ch;
+		}
+	}
+
+	// 统一应用所有几何变更，使用 client_tile_resize
+	for (int k = 0; k < n; k++) {
+		client_tile_resize(c_arr[k], boxes[k], 0);
 	}
 
 	free(c_arr);
@@ -365,9 +363,7 @@ void create_jump_hints(Monitor *m) {
 			char c_char = jump_labels[label_idx];
 			c->jump_char = c_char;
 
-			// 把字符变成字符串
 			char label_text[2] = {c_char, '\0'};
-
 			mango_jump_label_node_update(c->jump_label_node, label_text, 1.0f);
 			wlr_scene_node_set_enabled(&c->jump_label_node->scene_buffer->node,
 									   true);
@@ -385,12 +381,10 @@ void create_jump_hints(Monitor *m) {
 void begin_jump_mode(Monitor *m) { m->is_jump_mode = 1; }
 
 void finish_jump_mode(Monitor *m) {
-	Client *c = NULL;
-
-	if (!m->is_jump_mode) {
+	if (!m->is_jump_mode)
 		return;
-	}
 
+	Client *c;
 	wl_list_for_each(c, &clients, link) {
 		if (VISIBLEON(c, m)) {
 			if (c->jump_label_node->scene_buffer->node.enabled) {
@@ -400,12 +394,10 @@ void finish_jump_mode(Monitor *m) {
 			}
 		}
 	}
-
 	m->is_jump_mode = 0;
 }
 
 void overview(Monitor *m) {
-
 	if (config.ov_no_resize) {
 		overview_scale(m);
 	} else {
@@ -415,4 +407,4 @@ void overview(Monitor *m) {
 	if (m->is_jump_mode) {
 		create_jump_hints(m);
 	}
-}
\ No newline at end of file
+}
diff --git a/src/layout/scroll.h b/src/layout/scroll.h
index b800c5cf..dbdfe919 100644
--- a/src/layout/scroll.h
+++ b/src/layout/scroll.h
@@ -36,7 +36,6 @@ scroller_node_create(struct TagScrollerState *st, Client *c) {
 	return n;
 }
 
-/* 从 tag 状态中移除一个节点并释放 */
 static void scroller_node_remove(struct TagScrollerState *st,
 								 struct ScrollerStackNode *target) {
 	if (!st || !target)
@@ -223,7 +222,7 @@ void arrange_stack_node(struct ScrollerStackNode *head, struct wlr_box geometry,
 									  .y = current_y,
 									  .width = geometry.width,
 									  .height = client_height};
-		resize(iter->client, client_geom, 0);
+		client_tile_resize(iter->client, client_geom, 0);
 		remain_proportion -= iter->stack_proportion;
 		remain_client_height -= client_height;
 		current_y += client_height + gappiv;
@@ -272,7 +271,7 @@ void arrange_stack_vertical_node(struct ScrollerStackNode *head,
 									  .x = current_x,
 									  .height = geometry.height,
 									  .width = client_width};
-		resize(iter->client, client_geom, 0);
+		client_tile_resize(iter->client, client_geom, 0);
 		remain_proportion -= iter->stack_proportion;
 		remain_client_width -= client_width;
 		current_x += client_width + gappih;
@@ -508,6 +507,7 @@ void scroller(Monitor *m) {
 
 void vertical_scroller(Monitor *m) {
 	uint32_t tag = m->pertag->curtag;
+	int32_t bar_height = 0;
 	struct TagScrollerState *st = ensure_scroller_state(m, tag);
 	Client *c = NULL;
 	float scroller_default_proportion_single =
@@ -696,7 +696,12 @@ void vertical_scroller(Monitor *m) {
 		arrange_stack_vertical_node(heads[focus_index], target_geom,
 									cur_gappih);
 	} else {
-		target_geom.y = root_client->geom.y;
+		bar_height = !root_client->isfullscreen && (root_client->group_prev ||
+													root_client->group_next)
+						 ? config.group_bar_height
+						 : 0;
+
+		target_geom.y = root_client->geom.y - bar_height;
 		vertical_check_scroller_root_inside_mon(heads[focus_index]->client,
 												&target_geom);
 		arrange_stack_vertical_node(heads[focus_index], target_geom,
@@ -709,8 +714,15 @@ void vertical_scroller(Monitor *m) {
 		up_geom.width = m->w.width - 2 * cur_gappoh;
 		up_geom.height = max_client_height * cur->scroller_proportion;
 		vertical_scroll_adjust_fullandmax(cur->client, &up_geom);
+
+		bar_height = !heads[focus_index - i + 1]->client->isfullscreen &&
+							 (heads[focus_index - i + 1]->client->group_prev ||
+							  heads[focus_index - i + 1]->client->group_next)
+						 ? config.group_bar_height
+						 : 0;
+
 		up_geom.y = heads[focus_index - i + 1]->client->geom.y - cur_gappiv -
-					up_geom.height;
+					up_geom.height - bar_height;
 		arrange_stack_vertical_node(cur, up_geom, cur_gappih);
 	}
 
@@ -902,7 +914,6 @@ static void update_scroller_state(Monitor *m) {
 			break;
 	}
 
-	/* 移除不再可见的节点 */
 	struct ScrollerStackNode *n = st->all_first;
 	while (n) {
 		bool found = false;
diff --git a/src/mango.c b/src/mango.c
index 63402c11..90e3ca66 100644
--- a/src/mango.c
+++ b/src/mango.c
@@ -112,6 +112,8 @@
 #define ISTILED(A)                                                             \
 	(A && !(A)->isfloating && !(A)->isminimized && !(A)->iskilling &&          \
 	 !(A)->ismaximizescreen && !(A)->isfullscreen && !(A)->isunglobal)
+#define ISNORMAL(A)                                                            \
+	(A && !(A)->isminimized && !(A)->iskilling && !(A)->isunglobal)
 #define ISSCROLLTILED(A)                                                       \
 	(A && !(A)->isfloating && !(A)->isminimized && !(A)->iskilling &&          \
 	 !(A)->isunglobal)
@@ -161,13 +163,21 @@ enum { TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT };
 enum { VERTICAL, HORIZONTAL };
 enum { SWIPE_UP, SWIPE_DOWN, SWIPE_LEFT, SWIPE_RIGHT };
 enum { CurNormal, CurPressed, CurMove, CurResize }; /* cursor */
-enum { XDGShell, LayerShell, X11 };					/* client types */
-enum { AxisUp, AxisDown, AxisLeft, AxisRight };		// 滚轮滚动的方向
+enum {
+	XDGShell,
+	LayerShell,
+	X11,
+	Snapshot,
+	XdgPopup,
+	XdgImPopup,
+	GroupBar
+}; /* client types */
+enum { AxisUp, AxisDown, AxisLeft, AxisRight }; // 滚轮滚动的方向
 enum {
 	LyrBg,
 	LyrBottom,
-	LyrDecorate,
 	LyrTile,
+	LyrMaximize,
 	LyrTop,
 	LyrFadeOut,
 	LyrOverlay,
@@ -176,8 +186,6 @@ enum {
 	NUM_LAYERS
 }; /* scene layers */
 
-enum mango_node_type { MANGO_TITLE_NODE, MANGO_jump_label_node };
-
 #ifdef XWAYLAND
 enum {
 	NetWMWindowTypeDialog,
@@ -243,12 +251,6 @@ typedef struct {
 	uint32_t ui2;
 	Client *tc;
 } Arg;
-
-typedef struct {
-	enum mango_node_type type;
-	void *node_data;
-} MangoNodeData;
-
 typedef struct {
 	uint32_t mod;
 	uint32_t button;
@@ -321,7 +323,7 @@ typedef struct {
 
 struct Client {
 	/* Must keep these three elements in this order */
-	uint32_t type; /* XDGShell or X11* */
+	uint32_t type; // must at first in struct
 	struct wlr_box geom, pending, float_geom, animainit_geom,
 		overview_backup_geom, current,
 		drag_begin_geom; /* layout-relative, includes border */
@@ -339,8 +341,9 @@ struct Client {
 	struct wlr_ext_image_capture_source_v1 *image_capture_source;
 
 	struct wlr_scene_tree *overview_scene_surface;
-	struct mango_jump_label_node *jump_label_node;
-	struct mango_tab_bar_node *tab_bar_node;
+	MangoJumpLabel *jump_label_node;
+	MangoGroupBar *group_bar;
+
 	struct wl_list link;
 	struct wl_list flink;
 	struct wl_list fadeout_link;
@@ -407,7 +410,6 @@ struct Client {
 	int32_t istagswitching;
 	int32_t isnamedscratchpad;
 	int32_t shield_when_capture;
-	bool is_monocle_hide;
 	bool is_pending_open_animation;
 	bool is_restoring_from_ov;
 	float scroller_proportion;
@@ -458,6 +460,9 @@ struct Client {
 	int32_t grid_col_idx;
 	int32_t grid_row_idx;
 	uint32_t id;
+	Client *group_prev;
+	Client *group_next;
+	bool isgroupfocusing;
 };
 
 typedef struct {
@@ -497,7 +502,7 @@ typedef struct {
 
 typedef struct {
 	/* Must keep these three elements in this order */
-	uint32_t type; /* LayerShell */
+	uint32_t type; // must at first in struct
 	struct wlr_box geom, current, pending, animainit_geom;
 	Monitor *mon;
 	struct wlr_scene_tree *scene;
@@ -523,6 +528,7 @@ typedef struct {
 } LayerSurface;
 
 typedef struct {
+	uint32_t type; // must at first in struct
 	struct wlr_xdg_popup *wlr_popup;
 	struct wl_listener destroy;
 	struct wl_listener commit;
@@ -642,6 +648,7 @@ struct TagScrollerState {
 };
 
 typedef struct {
+	uint32_t type; // must at first in struct
 	int32_t orig_width;
 	int32_t orig_height;
 	bool is_subsurface;
@@ -792,12 +799,13 @@ static void virtualpointer(struct wl_listener *listener, void *data);
 static void warp_cursor(const Client *c);
 static Monitor *xytomon(double x, double y);
 static void xytonode(double x, double y, struct wlr_surface **psurface,
-					 Client **pc, LayerSurface **pl, double *nx, double *ny);
+					 Client **pc, LayerSurface **pl, MangoGroupBar **tb,
+					 double *nx, double *ny);
 static void clear_fullscreen_flag(Client *c);
 static pid_t getparentprocess(pid_t p);
 static int32_t isdescprocess(pid_t p, pid_t c);
 static Client *termforwin(Client *w);
-static void swallow(Client *c, Client *w);
+static void client_replace(Client *c, Client *w, bool isgroupaction);
 
 static void warp_cursor_to_selmon(Monitor *m);
 uint32_t want_restore_fullscreen(Client *target_client);
@@ -930,6 +938,10 @@ static void overview_backup_surface(Client *c);
 static void create_jump_hints(Monitor *m);
 static void finish_jump_mode(Monitor *m);
 static void begin_jump_mode(Monitor *m);
+static void global_draw_group_bar(Client *c, int32_t x, int32_t y,
+								  int32_t width, int32_t height);
+
+static void client_reparent_group(Client *c);
 
 #include "data/static_keymap.h"
 #include "dispatch/bind_declare.h"
@@ -1266,7 +1278,7 @@ void client_update_oldmonname_record(Client *c, Monitor *m) {
 	c->oldmonname[sizeof(c->oldmonname) - 1] = '\0';
 }
 
-void swallow(Client *c, Client *w) {
+void client_replace(Client *c, Client *w, bool isgroupaction) {
 	c->bw = w->bw;
 	c->isfloating = w->isfloating;
 	c->isurgent = w->isurgent;
@@ -1281,10 +1293,43 @@ void swallow(Client *c, Client *w) {
 	c->scroller_proportion = w->scroller_proportion;
 	c->isglobal = w->isglobal;
 	c->overview_backup_geom = w->overview_backup_geom;
-
-	/* 调整 w 的邻居指针，让它们指向 c */
+	c->animation.current = w->animation.current;
 	c->stack_proportion = w->stack_proportion;
 
+	if (!isgroupaction) {
+
+		if (w->group_prev == c) {
+			c->group_next = w->group_next;
+			if (w->group_next) {
+				w->group_next->group_prev = c;
+			}
+		} else if (w->group_next == c) {
+			c->group_prev = w->group_prev;
+			if (w->group_prev) {
+				w->group_prev->group_next = c;
+			}
+		} else {
+			c->group_prev = w->group_prev;
+			c->group_next = w->group_next;
+			if (w->group_prev) {
+				w->group_prev->group_next = c;
+			}
+
+			if (w->group_next) {
+				w->group_next->group_prev = c;
+			}
+		}
+
+		if (!c->group_prev && !c->group_next) {
+			c->isgroupfocusing = false;
+		} else {
+			c->isgroupfocusing = w->isgroupfocusing;
+		}
+
+		if (c->isgroupfocusing)
+			mango_group_bar_set_focus(c->group_bar, true);
+	}
+
 	if (w->overview_scene_surface) {
 		wlr_scene_node_destroy(&w->scene_surface->node);
 		w->scene_surface = w->overview_scene_surface;
@@ -1295,13 +1340,36 @@ void swallow(Client *c, Client *w) {
 		overview_backup_surface(c);
 	}
 
-	if (w->tab_bar_node) {
-		wlr_scene_node_set_enabled(&w->tab_bar_node->scene_buffer->node, false);
+	if (w->group_bar && !isgroupaction) {
+		wlr_scene_node_set_enabled(&w->group_bar->scene_buffer->node, false);
 	}
 
-	/* 全局链表替换 */
-	wl_list_insert(&w->link, &c->link);
-	wl_list_insert(&w->flink, &c->flink);
+	if (c->link.prev && c->link.next && c->link.prev != &c->link) {
+		wl_list_remove(&c->link);
+	}
+	wl_list_init(&c->link);
+
+	if (c->flink.prev && c->flink.next && c->flink.prev != &c->flink) {
+		wl_list_remove(&c->flink);
+	}
+	wl_list_init(&c->flink);
+
+	if (w->link.prev && w->link.next && w->link.prev != &w->link) {
+		wl_list_insert(w->link.prev, &c->link);
+		wl_list_remove(&w->link);
+		wl_list_init(&w->link);
+	}
+
+	if (w->flink.prev && w->flink.next && w->flink.prev != &w->flink) {
+		if (selmon && c == selmon->sel) {
+			wl_list_insert(&fstack, &c->flink);
+		} else {
+			wl_list_insert(w->flink.prev, &c->flink);
+		}
+		wl_list_remove(&w->flink);
+		wl_list_init(&w->flink);
+	}
+	/* --------------------------------------------------------------------- */
 
 	if (w->foreign_toplevel) {
 		wlr_foreign_toplevel_handle_v1_output_leave(w->foreign_toplevel,
@@ -1350,12 +1418,10 @@ void swallow(Client *c, Client *w) {
 				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)
 					scroller_node_remove(st, cn);
 
-				/* 将 w 的节点（如果存在）转给 c */
 				struct ScrollerStackNode *wn = find_scroller_node(st, w);
 				if (wn)
 					wn->client = c;
@@ -1770,11 +1836,9 @@ void applyrules(Client *c) {
 		if (p && !p->isminimized) {
 			c->swallowedby = p;
 			p->swallowing = c;
-			wl_list_remove(&c->link);
-			wl_list_remove(&c->flink);
-			swallow(c, p);
-			wl_list_remove(&p->link);
-			wl_list_remove(&p->flink);
+
+			client_replace(c, p, false);
+
 			mon = p->mon;
 			newtags = p->tags;
 		}
@@ -1789,7 +1853,10 @@ void applyrules(Client *c) {
 		(!c->istagsilent || !newtags || newtags & mon->tagset[mon->seltags]);
 
 	if (!should_init_get_focus) {
-		wl_list_remove(&c->flink);
+		if (c->flink.prev && c->flink.next && c->flink.prev != &c->flink) {
+			wl_list_remove(&c->flink);
+			wl_list_init(&c->flink);
+		}
 		wl_list_insert(fstack.prev, &c->flink);
 	}
 
@@ -1826,7 +1893,10 @@ void applyrules(Client *c) {
 	}
 
 	if (c->isfloating && !c->iscustompos && !c->isnamedscratchpad) {
-		wl_list_remove(&c->link);
+		if (c->link.prev && c->link.next && c->link.prev != &c->link) {
+			wl_list_remove(&c->link);
+			wl_list_init(&c->link);
+		}
 		wl_list_insert(clients.prev, &c->link);
 		set_float_malposition(c);
 	}
@@ -2357,6 +2427,7 @@ bool handle_buttonpress(struct wlr_pointer_button_event *event) {
 	uint32_t hard_mods, mods;
 	Client *c = NULL;
 	LayerSurface *l = NULL;
+	MangoGroupBar *gb = NULL;
 	struct wlr_surface *surface;
 	Client *tmpc = NULL;
 	int32_t ji;
@@ -2378,7 +2449,7 @@ bool handle_buttonpress(struct wlr_pointer_button_event *event) {
 		if (locked)
 			break;
 
-		xytonode(cursor->x, cursor->y, &surface, NULL, NULL, NULL, NULL);
+		xytonode(cursor->x, cursor->y, &surface, NULL, NULL, &gb, NULL, NULL);
 		if (toplevel_from_wlr_surface(surface, &c, &l) >= 0) {
 			if (c && c->scene->node.enabled &&
 				(!client_is_unmanaged(c) || client_wants_focus(c)))
@@ -2409,15 +2480,7 @@ bool handle_buttonpress(struct wlr_pointer_button_event *event) {
 		}
 
 		// handle click on tile node
-		struct wlr_scene_node *node = wlr_scene_node_at(
-			&layers[LyrDecorate]->node, cursor->x, cursor->y, NULL, NULL);
-		if (node && node->data) {
-			MangoNodeData *mangonodedata = (MangoNodeData *)node->data;
-			if (mangonodedata->type == MANGO_TITLE_NODE) {
-				Client *c = mangonodedata->node_data;
-				focusclient(c, 1);
-			}
-		}
+		client_handle_decorate_click(gb);
 
 		// 当鼠标焦点在layer上的时候，不检测虚拟键盘的mod状态，
 		// 避免layer虚拟键盘锁死mod按键状态
@@ -2582,6 +2645,7 @@ void cleanuplisteners(void) {
 	wl_list_remove(&new_foreign_toplevel_capture_request.link);
 	wl_list_remove(&tearing_new_object.link);
 	wl_list_remove(&keyboard_shortcuts_inhibit_new_inhibitor.link);
+	wl_list_remove(&ext_image_copy_capture_mgr_new_session.link);
 	if (drm_lease_manager) {
 		wl_list_remove(&drm_lease_request.link);
 	}
@@ -3011,6 +3075,8 @@ static void createpopup(struct wl_listener *listener, void *data) {
 	if (!popup)
 		return;
 
+	popup->type = XdgPopup;
+
 	popup->destroy.notify = destroypopup;
 	wl_signal_add(&wlr_popup->events.destroy, &popup->destroy);
 
@@ -3435,30 +3501,22 @@ void destroyinputdevice(struct wl_listener *listener, void *data) {
 	InputDevice *input_dev =
 		wl_container_of(listener, input_dev, destroy_listener);
 
-	// 清理设备特定数据
 	if (input_dev->device_data) {
-		// 根据设备类型进行特定清理
 		switch (input_dev->wlr_device->type) {
 		case WLR_INPUT_DEVICE_SWITCH: {
 			Switch *sw = (Switch *)input_dev->device_data;
-			// 移除 toggle 监听器
 			wl_list_remove(&sw->toggle.link);
-			// 释放 Switch 内存
 			free(sw);
 			break;
 		}
-		// 可以添加其他设备类型的清理代码
 		default:
 			break;
 		}
 		input_dev->device_data = NULL;
 	}
 
-	// 从设备列表中移除
 	wl_list_remove(&input_dev->link);
-	// 移除 destroy 监听器
 	wl_list_remove(&input_dev->destroy_listener.link);
-	// 释放内存
 	free(input_dev);
 }
 
@@ -3808,8 +3866,10 @@ void focusclient(Client *c, int32_t lift) {
 		return;
 
 	/* Raise client in stacking order if requested */
-	if (c && lift)
+	if (c && lift) {
+		client_raise_group(c);
 		wlr_scene_node_raise_to_top(&c->scene->node); // 将视图提升到顶层
+	}
 
 	if (c && client_surface(c) == old_keyboard_focus_surface && selmon &&
 		selmon->sel)
@@ -4348,11 +4408,13 @@ void locksession(struct wl_listener *listener, void *data) {
 }
 
 void init_client_properties(Client *c) {
+	c->isgroupfocusing = false;
+	c->group_prev = NULL;
+	c->group_next = NULL;
 	c->grid_col_per = 1.0f;
 	c->grid_row_per = 1.0f;
-	c->is_monocle_hide = false;
 	c->jump_label_node = NULL;
-	c->tab_bar_node = NULL;
+	c->group_bar = NULL;
 	c->overview_scene_surface = NULL;
 	c->drop_direction = UNDIR;
 	c->enable_drop_area_draw = false;
@@ -4534,6 +4596,8 @@ mapnotify(struct wl_listener *listener, void *data) {
 		wlr_scene_node_set_enabled(&c->splitindicator[i]->node, false);
 	}
 
+	client_add_group_bar(c);
+
 	c->droparea = wlr_scene_rect_create(c->scene, 0, 0, config.dropcolor);
 	wlr_scene_node_lower_to_bottom(&c->droparea->node);
 	wlr_scene_node_set_position(&c->droparea->node, 0, 0);
@@ -4766,7 +4830,7 @@ void motionnotify(uint32_t time, struct wlr_input_device *device, double dx,
 	}
 
 	/* Find the client under the pointer and send the event along. */
-	xytonode(cursor->x, cursor->y, &surface, &c, NULL, &sx, &sy);
+	xytonode(cursor->x, cursor->y, &surface, &c, NULL, NULL, &sx, &sy);
 
 	if (cursor_mode == CurPressed && !seat->drag &&
 		surface != seat->pointer_state.focused_surface &&
@@ -5492,6 +5556,12 @@ setfloating(Client *c, int32_t floating) {
 								layers[c->isfloating ? LyrTop : LyrTile]);
 	}
 
+	client_reparent_group(c);
+
+	if (c->isfloating) {
+		set_size_per(c->mon, c);
+	}
+
 	if (!c->force_fakemaximize)
 		client_set_maximized(c, false);
 
@@ -5514,11 +5584,18 @@ setfloating(Client *c, int32_t floating) {
 }
 
 void reset_maximizescreen_size(Client *c) {
-	c->geom.x = c->mon->w.x + config.gappoh;
-	c->geom.y = c->mon->w.y + config.gappov;
-	c->geom.width = c->mon->w.width - 2 * config.gappoh;
-	c->geom.height = c->mon->w.height - 2 * config.gappov;
-	resize(c, c->geom, 0);
+	struct wlr_box geom;
+	geom.x = c->mon->w.x + config.gappoh;
+	geom.y = c->mon->w.y + config.gappov;
+	geom.width = c->mon->w.width - 2 * config.gappoh;
+	geom.height = c->mon->w.height - 2 * config.gappov;
+
+	if ((c->group_next || c->group_prev) && c->group_bar) {
+		geom.height -= config.group_bar_height;
+		geom.y += config.group_bar_height;
+	}
+
+	resize(c, geom, 0);
 }
 
 void exit_scroller_stack(Client *c) {
@@ -5531,7 +5608,7 @@ void exit_scroller_stack(Client *c) {
 		struct ScrollerStackNode *n = find_scroller_node(st, c);
 		if (n) {
 			scroller_node_remove(st, n);
-			return; /* 节点已移除，客户端指针已在函数内清空 */
+			return;
 		}
 	}
 }
@@ -5559,6 +5636,12 @@ void setmaximizescreen(Client *c, int32_t maximizescreen, bool rearrange) {
 		maximizescreen_box.y = c->mon->w.y + config.gappov;
 		maximizescreen_box.width = c->mon->w.width - 2 * config.gappoh;
 		maximizescreen_box.height = c->mon->w.height - 2 * config.gappov;
+
+		if ((c->group_next || c->group_prev) && c->group_bar) {
+			maximizescreen_box.height -= config.group_bar_height;
+			maximizescreen_box.y += config.group_bar_height;
+		}
+
 		wlr_scene_node_raise_to_top(&c->scene->node);
 		if (!is_scroller_layout(c->mon) || c->isfloating)
 			resize(c, maximizescreen_box, 0);
@@ -5569,7 +5652,10 @@ void setmaximizescreen(Client *c, int32_t maximizescreen, bool rearrange) {
 	}
 
 	wlr_scene_node_reparent(&c->scene->node,
-							layers[c->isfloating ? LyrTop : LyrTile]);
+							layers[c->ismaximizescreen ? LyrMaximize
+								   : c->isfloating	   ? LyrTop
+													   : LyrTile]);
+	client_reparent_group(c);
 
 	if (!c->force_fakemaximize && !c->ismaximizescreen) {
 		client_set_maximized(c, false);
@@ -5639,6 +5725,8 @@ void setfullscreen(Client *c, int32_t fullscreen,
 			layers[fullscreen || c->isfloating ? LyrTop : LyrTile]);
 	}
 
+	client_reparent_group(c);
+
 	if (rearrange)
 		arrange(c->mon, false, false);
 }
@@ -6501,7 +6589,12 @@ void unmapnotify(struct wl_listener *listener, void *data) {
 
 	if (c->swallowedby) {
 		c->swallowedby->mon = c->mon;
-		swallow(c->swallowedby, c);
+		client_replace(c->swallowedby, c, false);
+	} else if ((c->group_next || c->group_prev) && c->isgroupfocusing) {
+		Client *group_replacement =
+			c->group_next ? c->group_next : c->group_prev;
+		group_replacement->mon = c->mon;
+		client_replace(group_replacement, c, false);
 	} else {
 		scroller_remove_client(c);
 		dwindle_remove_client(c);
@@ -6550,7 +6643,11 @@ void unmapnotify(struct wl_listener *listener, void *data) {
 	if (client_is_unmanaged(c)) {
 #ifdef XWAYLAND
 		if (client_is_x11(c)) {
-			wl_list_remove(&c->set_geometry.link);
+			if (c->set_geometry.link.prev && c->set_geometry.link.next &&
+				c->set_geometry.link.prev != &c->set_geometry.link) {
+				wl_list_remove(&c->set_geometry.link);
+				wl_list_init(&c->set_geometry.link);
+			}
 		}
 #endif
 		if (c == exclusive_focus)
@@ -6558,11 +6655,33 @@ void unmapnotify(struct wl_listener *listener, void *data) {
 		if (client_surface(c) == seat->keyboard_state.focused_surface)
 			focusclient(focustop(selmon), 1);
 	} else {
-		if (!c->swallowing)
-			wl_list_remove(&c->link);
+
+		bool is_in_group = c->group_next || c->group_prev;
+
+		if (c->group_next && !c->isgroupfocusing) {
+			c->group_next->group_prev = c->group_prev;
+		}
+
+		if (c->group_prev && !c->isgroupfocusing) {
+			c->group_prev->group_next = c->group_next;
+		}
+
+		c->group_next = NULL;
+		c->group_prev = NULL;
+
+		if (!c->swallowing && (!is_in_group || c->isgroupfocusing)) {
+			if (c->link.prev && c->link.next && c->link.prev != &c->link) {
+				wl_list_remove(&c->link);
+				wl_list_init(&c->link);
+			}
+		}
 		setmon(c, NULL, 0, true);
-		if (!c->swallowing)
-			wl_list_remove(&c->flink);
+		if (!c->swallowing && (!is_in_group || c->isgroupfocusing)) {
+			if (c->flink.prev && c->flink.next && c->flink.prev != &c->flink) {
+				wl_list_remove(&c->flink);
+				wl_list_init(&c->flink);
+			}
+		}
 	}
 
 	if (c->foreign_toplevel) {
@@ -6587,6 +6706,15 @@ void unmapnotify(struct wl_listener *listener, void *data) {
 		c->swallowing = NULL;
 	}
 
+	if (c->jump_label_node) {
+		mango_jump_label_node_destroy(c->jump_label_node);
+		c->jump_label_node = NULL;
+	}
+	if (c->group_bar) {
+		mango_group_bar_destroy(c->group_bar);
+		c->group_bar = NULL;
+	}
+
 	if (c->image_capture_tree) {
 		wlr_scene_node_destroy(&c->image_capture_tree->node);
 		c->image_capture_tree = NULL;
@@ -6595,18 +6723,9 @@ void unmapnotify(struct wl_listener *listener, void *data) {
 		wlr_scene_node_destroy(&c->image_capture_scene->tree.node);
 		c->image_capture_scene = NULL;
 	}
+
 	c->image_capture_source = NULL;
-
-	c->stack_proportion = 0.0f;
-
-	if (c->jump_label_node) {
-		mango_jump_label_node_destroy(c->jump_label_node);
-		c->jump_label_node = NULL;
-	}
-	if (c->tab_bar_node) {
-		mango_tab_bar_node_destroy(c->tab_bar_node);
-		c->tab_bar_node = NULL;
-	}
+	init_client_properties(c);
 
 	wlr_scene_node_destroy(&c->scene->node);
 	printstatus(IPC_WATCH_ARRANGGE);
@@ -6755,7 +6874,7 @@ void updatetitle(struct wl_listener *listener, void *data) {
 
 	const char *title;
 	title = client_get_title(c);
-	mango_tab_bar_node_update(c->tab_bar_node, title, 1.0);
+	mango_group_bar_update(c->group_bar, title, 1.0);
 	if (title && c->foreign_toplevel)
 		wlr_foreign_toplevel_handle_v1_set_title(c->foreign_toplevel, title);
 	if (title && c->ext_foreign_toplevel) {