Merge branch 'main' into feature/dual-row-scroller

nix: bump scenefx flake and fix build

config.conf

@@ -57,6 +57,7 @@ scroller_prefer_center=0
 edge_scroller_pointer_focus=1
 scroller_default_proportion_single=1.0
 scroller_proportion_preset=0.5,0.8,1.0
+dual_scroller_default_split_ratio=0.3
 
 # Master-Stack Layout Setting
 new_is_master=1
@@ -237,6 +238,10 @@ bind=CTRL+ALT,Down,resizewin,+0,+50
 bind=CTRL+ALT,Left,resizewin,-50,+0
 bind=CTRL+ALT,Right,resizewin,+50,+0
 
+# dual-scroller split adjustment (increase/decrease top row height)
+# bind=SUPER+SHIFT,Equal,adjust_dual_scroller_split,0.05
+# bind=SUPER+SHIFT,Minus,adjust_dual_scroller_split,-0.05
+
 # Mouse Button Bindings
 # NONE mode key only work in ov mode
 mousebind=SUPER,btn_left,moveresize,curmove

flake.lock

@@ -18,6 +18,27 @@
         "type": "github"
       }
     },
+    "flake-utils": {
+      "inputs": {
+        "systems": [
+          "scenefx",
+          "systems"
+        ]
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1750386251,
@@ -58,16 +79,18 @@
     },
     "scenefx": {
       "inputs": {
+        "flake-utils": "flake-utils",
         "nixpkgs": [
           "nixpkgs"
-        ]
+        ],
+        "systems": "systems"
       },
       "locked": {
-        "lastModified": 1750785057,
+        "lastModified": 1762447505,
-        "narHash": "sha256-tGX6j4W91rcb+glXJo43sjPI9zQvPotonknG1BdihR4=",
+        "narHash": "sha256-VEBQ8KXkSS4c+kdAhmvq06lEd9WNeCXdRK1U+qSilFw=",
         "owner": "wlrfx",
         "repo": "scenefx",
-        "rev": "3a6cfb12e4ba97b43326357d14f7b3e40897adfc",
+        "rev": "7f9e7409f6169fa637f1265895c121a8f8b70272",
         "type": "github"
       },
       "original": {
@@ -75,6 +98,21 @@
         "repo": "scenefx",
         "type": "github"
       }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1689347949,
+        "narHash": "sha256-12tWmuL2zgBgZkdoB6qXZsgJEH9LR3oUgpaQq2RbI80=",
+        "owner": "nix-systems",
+        "repo": "default-linux",
+        "rev": "31732fcf5e8fea42e59c2488ad31a0e651500f68",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default-linux",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -25,12 +25,13 @@
 
       perSystem = {
         config,
+        system,
         pkgs,
         ...
       }: let
         inherit (pkgs) callPackage;
         mango = callPackage ./nix {
-          inherit (inputs.scenefx.packages.${pkgs.stdenv.hostPlatform.system}) scenefx;
+          scenefx = inputs.scenefx.packages.${system}.default;
         };
         shellOverride = old: {
           nativeBuildInputs = old.nativeBuildInputs ++ [];

src/animation/client.h

@@ -245,6 +245,10 @@ void buffer_set_effect(Client *c, BufferData data) {
 		data.corner_location = CORNER_LOCATION_NONE;
 	}
 
+	if (blur && !c->noblur) {
+		wlr_scene_blur_set_corner_radius(c->blur, border_radius,
+										 data.corner_location);
+	}
 	wlr_scene_node_for_each_buffer(&c->scene_surface->node,
 								   scene_buffer_apply_effect, &data);
 }
@@ -349,6 +353,19 @@ void client_draw_shadow(Client *c) {
 	wlr_scene_shadow_set_clipped_region(c->shadow, clipped_region);
 }
 
+void client_draw_blur(Client *c, struct wlr_box clip_box, struct ivec2 offset) {
+	if (blur && !c->noblur) {
+		if (c->scene_surface->node.enabled && !c->blur->node.enabled)
+			wlr_scene_node_set_enabled(&c->blur->node, true);
+		wlr_scene_node_set_position(&c->blur->node, offset.x, offset.y);
+		wlr_scene_blur_set_size(c->blur, clip_box.width - c->bw,
+								clip_box.height - c->bw);
+	} else {
+		if (c->blur->node.enabled)
+			wlr_scene_node_set_enabled(&c->blur->node, false);
+	}
+}
+
 void apply_border(Client *c) {
 	if (!c || c->iskilling || !client_surface(c)->mapped)
 		return;
@@ -533,12 +550,14 @@ void client_apply_clip(Client *c, float factor) {
 
 		apply_border(c);
 		client_draw_shadow(c);
+		client_draw_blur(c, clip_box, offset);
 
 		if (clip_box.width <= 0 || clip_box.height <= 0) {
 			return;
 		}
 
 		wlr_scene_subsurface_tree_set_clip(&c->scene_surface->node, &clip_box);
+
 		buffer_set_effect(c, (BufferData){1.0f, 1.0f, clip_box.width,
 										  clip_box.height,
 										  current_corner_location, true});
@@ -570,6 +589,7 @@ void client_apply_clip(Client *c, float factor) {
 	// 应用窗口装饰
 	apply_border(c);
 	client_draw_shadow(c);
+	client_draw_blur(c, clip_box, offset);
 
 	// 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) {
@@ -991,6 +1011,10 @@ void resize(Client *c, struct wlr_box geo, int interact) {
 		apply_border(c);
 		client_get_clip(c, &clip);
 		wlr_scene_subsurface_tree_set_clip(&c->scene_surface->node, &clip);
+		if (blur && !c->noblur)
+			wlr_scene_blur_set_size(c->blur,
+									c->animation.current.width - 2 * c->bw,
+									c->animation.current.height - 2 * c->bw);
 		return;
 	}
 	// 如果不是工作区切换时划出去的窗口，就让动画的结束位置，就是上面的真实位置和大小

src/animation/common.h

@@ -158,12 +158,6 @@ static bool scene_node_snapshot(struct wlr_scene_node *node, int lx, int ly,
 										   scene_buffer->corner_radius,
 										   scene_buffer->corners);
 
-		// wlr_scene_buffer_set_backdrop_blur_optimized(
-		// 	snapshot_buffer, scene_buffer->backdrop_blur_optimized);
-		// wlr_scene_buffer_set_backdrop_blur_ignore_transparent(
-		// 	snapshot_buffer, scene_buffer->backdrop_blur_ignore_transparent);
-		wlr_scene_buffer_set_backdrop_blur(snapshot_buffer, false);
-
 		snapshot_buffer->node.data = scene_buffer->node.data;
 
 		struct wlr_scene_surface *scene_surface =
@@ -198,6 +192,8 @@ static bool scene_node_snapshot(struct wlr_scene_node *node, int lx, int ly,
 
 		break;
 	}
+	case WLR_SCENE_NODE_BLUR:
+		break;
 	case WLR_SCENE_NODE_OPTIMIZED_BLUR:
 		return true;
 	}

src/animation/layer.h

@@ -356,6 +356,10 @@ void layer_animation_next_tick(LayerSurface *l) {
 		.height = height,
 	};
 
+	if (blur && blur_layer && !l->noblur && l->blur)
+		wlr_scene_blur_set_size(l->blur, l->animation.current.width,
+								l->animation.current.height);
+
 	if (animation_passed >= 1.0) {
 		l->animation.running = false;
 		l->need_output_flush = false;

src/config/parse_config.h

@@ -200,6 +200,7 @@ typedef struct {
 	int scroller_focus_center;
 	int scroller_prefer_center;
 	int edge_scroller_pointer_focus;
+	float dual_scroller_default_split_ratio;
 	int focus_cross_monitor;
 	int exchange_cross_monitor;
 	int scratchpad_cross_monitor;
@@ -814,12 +815,17 @@ FuncType parse_func_name(char *func_name, Arg *arg, char *arg_value,
 	} else if (strcmp(func_name, "focusdir") == 0) {
 		func = focusdir;
 		(*arg).i = parse_direction(arg_value);
+	} else if (strcmp(func_name, "togglerow") == 0) {
+		func = togglerow;
 	} else if (strcmp(func_name, "incnmaster") == 0) {
 		func = incnmaster;
 		(*arg).i = atoi(arg_value);
 	} else if (strcmp(func_name, "setmfact") == 0) {
 		func = setmfact;
 		(*arg).f = atof(arg_value);
+	} else if (strcmp(func_name, "adjust_dual_scroller_split") == 0) {
+		func = adjust_dual_scroller_split;
+		(*arg).f = atof(arg_value);
 	} else if (strcmp(func_name, "zoom") == 0) {
 		func = zoom;
 	} else if (strcmp(func_name, "exchange_client") == 0) {
@@ -1165,6 +1171,8 @@ void parse_option(Config *config, char *key, char *value) {
 		config->scroller_prefer_center = atoi(value);
 	} else if (strcmp(key, "edge_scroller_pointer_focus") == 0) {
 		config->edge_scroller_pointer_focus = atoi(value);
+	} else if (strcmp(key, "dual_scroller_default_split_ratio") == 0) {
+		config->dual_scroller_default_split_ratio = atof(value);
 	} else if (strcmp(key, "focus_cross_monitor") == 0) {
 		config->focus_cross_monitor = atoi(value);
 	} else if (strcmp(key, "exchange_cross_monitor") == 0) {
@@ -2650,6 +2658,8 @@ void override_config(void) {
 	edge_scroller_pointer_focus =
 		CLAMP_INT(config.edge_scroller_pointer_focus, 0, 1);
 	scroller_structs = CLAMP_INT(config.scroller_structs, 0, 1000);
+	dual_scroller_default_split_ratio =
+		CLAMP_FLOAT(config.dual_scroller_default_split_ratio, 0.1f, 0.9f);
 
 	// 主从布局设置
 	default_mfact = CLAMP_FLOAT(config.default_mfact, 0.1f, 0.9f);
@@ -2838,6 +2848,7 @@ void set_value_default() {
 	config.scroller_focus_center = scroller_focus_center;
 	config.scroller_prefer_center = scroller_prefer_center;
 	config.edge_scroller_pointer_focus = edge_scroller_pointer_focus;
+	config.dual_scroller_default_split_ratio = dual_scroller_default_split_ratio;
 	config.focus_cross_monitor = focus_cross_monitor;
 	config.exchange_cross_monitor = exchange_cross_monitor;
 	config.scratchpad_cross_monitor = scratchpad_cross_monitor;

src/config/preset.h

@@ -63,6 +63,7 @@ float scroller_default_proportion_single = 1.0;
 int scroller_ignore_proportion_single = 0;
 int scroller_focus_center = 0;
 int scroller_prefer_center = 0;
+float dual_scroller_default_split_ratio = 0.3;
 int focus_cross_monitor = 0;
 int focus_cross_tag = 0;
 int exchange_cross_monitor = 0;

src/dispatch/bind_declare.h

@@ -2,6 +2,7 @@ int minimized(const Arg *arg);
 int restore_minimized(const Arg *arg);
 int toggle_scratchpad(const Arg *arg);
 int focusdir(const Arg *arg);
+int togglerow(const Arg *arg);
 int toggleoverview(const Arg *arg);
 int set_proportion(const Arg *arg);
 int switch_proportion_preset(const Arg *arg);
@@ -28,6 +29,7 @@ int switch_keyboard_layout(const Arg *arg);
 int setlayout(const Arg *arg);
 int switch_layout(const Arg *arg);
 int setmfact(const Arg *arg);
+int adjust_dual_scroller_split(const Arg *arg);
 int quit(const Arg *arg);
 int moveresize(const Arg *arg);
 int exchange_client(const Arg *arg);

src/dispatch/bind_define.h

@@ -125,6 +125,29 @@ int focusdir(const Arg *arg) {
 	return 0;
 }
 
+int togglerow(const Arg *arg) {
+	// Toggle between top and bottom row in dual-scroller layout
+	if (!selmon || !selmon->sel || !is_row_layout(selmon))
+		return 0;
+
+	Client *c = selmon->sel;
+
+	// Only toggle for tiled windows
+	if (c->isfloating || !ISSCROLLTILED(c) || !VISIBLEON(c, selmon))
+		return 0;
+
+	// Toggle the row (0 <-> 1)
+	if (c->dual_scroller_row == 0) {
+		c->dual_scroller_row = 1;
+	} else {
+		c->dual_scroller_row = 0;
+	}
+
+	// Trigger a relayout
+	arrange(selmon, false);
+	return 0;
+}
+
 int focuslast(const Arg *arg) {
 
 	Client *c = NULL;
@@ -307,6 +330,28 @@ int setmfact(const Arg *arg) {
 	return 0;
 }
 
+int adjust_dual_scroller_split(const Arg *arg) {
+	float new_ratio;
+
+	if (!arg || !selmon)
+		return 0;
+
+	// Check if we're in a dual-scroller layout
+	if (!is_row_layout(selmon))
+		return 0;
+
+	// Calculate new ratio: if arg->f < 1.0, treat as relative adjustment, otherwise as absolute value
+	new_ratio = arg->f < 1.0 ? dual_scroller_default_split_ratio + arg->f : arg->f - 1.0;
+
+	// Clamp the ratio between 0.1 and 0.9
+	if (new_ratio < 0.1 || new_ratio > 0.9)
+		return 0;
+
+	dual_scroller_default_split_ratio = new_ratio;
+	arrange(selmon, false);
+	return 0;
+}
+
 int killclient(const Arg *arg) {
 	Client *c = NULL;
 	c = selmon->sel;

src/fetch/client.h

@@ -146,6 +146,7 @@ Client *find_client_by_direction(Client *tc, const Arg *arg, bool findfloating,
 	Client *c = NULL;
 	Client **tempClients = NULL; // 初始化为 NULL
 	int last = -1;
+	bool constrain_to_row = tc->mon && is_row_layout(tc->mon);
 
 	// 第一次遍历，计算客户端数量
 	wl_list_for_each(c, &clients, link) {
@@ -249,7 +250,7 @@ Client *find_client_by_direction(Client *tc, const Arg *arg, bool findfloating,
 		}
 		break;
 	case LEFT:
-		if (!ignore_align) {
+		if (!ignore_align || constrain_to_row) {
 			for (int _i = 0; _i <= last; _i++) {
 				if (tempClients[_i]->geom.x < sel_x &&
 					tempClients[_i]->geom.y == sel_y &&
@@ -265,7 +266,7 @@ Client *find_client_by_direction(Client *tc, const Arg *arg, bool findfloating,
 				}
 			}
 		}
-		if (!tempFocusClients) {
+		if (!tempFocusClients && !constrain_to_row) {
 			for (int _i = 0; _i <= last; _i++) {
 				if (tempClients[_i]->geom.x < sel_x) {
 					int dis_x = tempClients[_i]->geom.x - sel_x;
@@ -281,7 +282,7 @@ Client *find_client_by_direction(Client *tc, const Arg *arg, bool findfloating,
 		}
 		break;
 	case RIGHT:
-		if (!ignore_align) {
+		if (!ignore_align || constrain_to_row) {
 			for (int _i = 0; _i <= last; _i++) {
 				if (tempClients[_i]->geom.x > sel_x &&
 					tempClients[_i]->geom.y == sel_y &&
@@ -297,7 +298,7 @@ Client *find_client_by_direction(Client *tc, const Arg *arg, bool findfloating,
 				}
 			}
 		}
-		if (!tempFocusClients) {
+		if (!tempFocusClients && !constrain_to_row) {
 			for (int _i = 0; _i <= last; _i++) {
 				if (tempClients[_i]->geom.x > sel_x) {
 					int dis_x = tempClients[_i]->geom.x - sel_x;

src/fetch/monitor.h

@@ -23,6 +23,19 @@ bool is_scroller_layout(Monitor *m) {
 	if (m->pertag->ltidxs[m->pertag->curtag]->id == VERTICAL_SCROLLER)
 		return true;
 
+	if (m->pertag->ltidxs[m->pertag->curtag]->id == DUAL_SCROLLER)
+		return true;
+
+	return false;
+}
+
+bool is_row_layout(Monitor *m) {
+	// Layout has independent horizontal rows where navigation should be constrained
+	// LEFT/RIGHT: stay within same row (same Y)
+	// UP/DOWN: move between rows
+	if (m->pertag->ltidxs[m->pertag->curtag]->id == DUAL_SCROLLER)
+		return true;
+
 	return false;
 }
 

src/layout/arrange.h

@@ -498,6 +498,8 @@ void resize_tile_client(Client *grabc, bool isdrag, int offsetx, int offsety,
 		resize_tile_scroller(grabc, isdrag, offsetx, offsety, time, false);
 	} else if (current_layout->id == VERTICAL_SCROLLER) {
 		resize_tile_scroller(grabc, isdrag, offsetx, offsety, time, true);
+	} else if (current_layout->id == DUAL_SCROLLER) {
+		resize_tile_scroller(grabc, isdrag, offsetx, offsety, time, false);
 	}
 }
 

src/layout/horizontal.h

@@ -377,6 +377,212 @@ void scroller(Monitor *m) {
 	free(tempClients); // 最后释放内存
 }
 
+// Dual-row scroller layout with independent scrolling
+// Top row: 30% of screen height, Bottom row: 70% of screen height
+void dual_scroller(Monitor *m) {
+	unsigned int i, n_top = 0, n_bottom = 0, n_total = 0;
+
+	Client *c = NULL;
+	Client **top_row_clients = NULL;
+	Client **bottom_row_clients = NULL;
+	struct wlr_box target_geom;
+
+	unsigned int cur_gappih = enablegaps ? m->gappih : 0;
+	unsigned int cur_gappoh = enablegaps ? m->gappoh : 0;
+	unsigned int cur_gappov = enablegaps ? m->gappov : 0;
+	unsigned int cur_gappiv = enablegaps ? m->gappiv : 0;
+
+	cur_gappih =
+		smartgaps && m->visible_scroll_tiling_clients == 1 ? 0 : cur_gappih;
+	cur_gappoh =
+		smartgaps && m->visible_scroll_tiling_clients == 1 ? 0 : cur_gappoh;
+	cur_gappov =
+		smartgaps && m->visible_scroll_tiling_clients == 1 ? 0 : cur_gappov;
+	cur_gappiv =
+		smartgaps && m->visible_scroll_tiling_clients == 1 ? 0 : cur_gappiv;
+
+	unsigned int max_client_width =
+		m->w.width - 2 * scroller_structs - cur_gappih;
+
+	n_total = m->visible_scroll_tiling_clients;
+
+	if (n_total == 0) {
+		return;
+	}
+
+	// First pass: count clients per row and assign unassigned clients
+	wl_list_for_each(c, &clients, link) {
+		if (VISIBLEON(c, m) && ISSCROLLTILED(c)) {
+			// Assign to bottom row by default if not assigned
+			if (c->dual_scroller_row == -1) {
+				c->dual_scroller_row = 1; // Default to bottom row
+			}
+
+			if (c->dual_scroller_row == 0) {
+				n_top++;
+			} else {
+				n_bottom++;
+			}
+		}
+	}
+
+	// Allocate arrays for each row
+	if (n_top > 0) {
+		top_row_clients = malloc(n_top * sizeof(Client *));
+		if (!top_row_clients) {
+			return;
+		}
+	}
+
+	if (n_bottom > 0) {
+		bottom_row_clients = malloc(n_bottom * sizeof(Client *));
+		if (!bottom_row_clients) {
+			free(top_row_clients);
+			return;
+		}
+	}
+
+	// Fill row arrays
+	unsigned int top_idx = 0, bottom_idx = 0;
+	wl_list_for_each(c, &clients, link) {
+		if (VISIBLEON(c, m) && ISSCROLLTILED(c)) {
+			if (c->dual_scroller_row == 0) {
+				top_row_clients[top_idx++] = c;
+			} else {
+				bottom_row_clients[bottom_idx++] = c;
+			}
+		}
+	}
+
+	// Calculate row heights using configurable split ratio
+	unsigned int top_row_height = (unsigned int)((m->w.height - 2 * cur_gappov - cur_gappiv) * dual_scroller_default_split_ratio);
+	unsigned int bottom_row_height = m->w.height - 2 * cur_gappov - cur_gappiv - top_row_height;
+	unsigned int top_row_y = m->w.y + cur_gappov;
+	unsigned int bottom_row_y = top_row_y + top_row_height + cur_gappiv;
+
+	// Helper function to layout a single row
+	void layout_row(Client **row_clients, unsigned int n_row, unsigned int row_y,
+	                unsigned int row_height, bool is_top_row) {
+		if (n_row == 0) return;
+
+		Client *root_client = NULL;
+		int focus_index = -1;
+		bool need_scroller = false;
+
+		// Find focused client in this row
+		for (i = 0; i < n_row; i++) {
+			if (row_clients[i] == m->sel) {
+				root_client = row_clients[i];
+				focus_index = i;
+				break;
+			}
+		}
+
+		// If no focused client in this row, keep current scroll position
+		if (!root_client && n_row > 0) {
+			return;
+		}
+
+		// Check if scrolling is needed
+		if (root_client && !root_client->is_pending_open_animation &&
+			root_client->geom.x >= m->w.x + scroller_structs &&
+			root_client->geom.x + root_client->geom.width <=
+				m->w.x + m->w.width - scroller_structs) {
+			need_scroller = false;
+		} else {
+			need_scroller = true;
+		}
+
+		if (start_drag_window)
+			need_scroller = false;
+
+		// Layout focused client
+		if (focus_index >= 0 && root_client) {
+			target_geom.height = row_height;
+			target_geom.width = max_client_width * root_client->scroller_proportion;
+			target_geom.y = row_y;
+
+			// Handle fullscreen and maximize
+			if (root_client->isfullscreen) {
+				target_geom.height = m->m.height;
+				target_geom.width = m->m.width;
+				target_geom.y = m->m.y;
+				target_geom.x = m->m.x;
+				resize(root_client, target_geom, 0);
+			} else if (root_client->ismaximizescreen) {
+				target_geom.height = m->w.height - 2 * cur_gappov;
+				target_geom.width = m->w.width - 2 * cur_gappoh;
+				target_geom.y = m->w.y + cur_gappov;
+				target_geom.x = m->w.x + cur_gappoh;
+				resize(root_client, target_geom, 0);
+			} else if (need_scroller) {
+				// Determine if we should center
+				bool should_center = (scroller_focus_center ||
+					((!m->prevsel ||
+					  (ISSCROLLTILED(m->prevsel) &&
+					   (m->prevsel->scroller_proportion * max_client_width) +
+							   (root_client->scroller_proportion * max_client_width) >
+						   m->w.width - 2 * scroller_structs - cur_gappih)) &&
+					 scroller_prefer_center));
+
+				// Top row: never center
+				if (is_top_row) {
+					should_center = false;
+				}
+
+				if (should_center) {
+					target_geom.x = m->w.x + (m->w.width - target_geom.width) / 2;
+				} else {
+					target_geom.x = root_client->geom.x > m->w.x + (m->w.width) / 2
+										? m->w.x + (m->w.width -
+													root_client->scroller_proportion *
+														max_client_width -
+													scroller_structs)
+										: m->w.x + scroller_structs;
+				}
+				resize(root_client, target_geom, 0);
+			} else {
+				target_geom.x = root_client->geom.x;
+				resize(root_client, target_geom, 0);
+			}
+		}
+
+		// Layout clients to the left of focused
+		for (i = focus_index - 1; i >= 0 && i < n_row; i--) {
+			c = row_clients[i];
+			target_geom.width = max_client_width * c->scroller_proportion;
+			target_geom.height = row_height;
+			target_geom.y = row_y;
+
+			if (!c->isfullscreen && !c->ismaximizescreen) {
+				target_geom.x = row_clients[i + 1]->geom.x - cur_gappih - target_geom.width;
+				resize(c, target_geom, 0);
+			}
+		}
+
+		// Layout clients to the right of focused
+		for (i = focus_index + 1; i < n_row; i++) {
+			c = row_clients[i];
+			target_geom.width = max_client_width * c->scroller_proportion;
+			target_geom.height = row_height;
+			target_geom.y = row_y;
+
+			if (!c->isfullscreen && !c->ismaximizescreen) {
+				target_geom.x = row_clients[i - 1]->geom.x + cur_gappih + row_clients[i - 1]->geom.width;
+				resize(c, target_geom, 0);
+			}
+		}
+	}
+
+	// Layout both rows independently
+	layout_row(top_row_clients, n_top, top_row_y, top_row_height, true);
+	layout_row(bottom_row_clients, n_bottom, bottom_row_y, bottom_row_height, false);
+
+	// Cleanup
+	free(top_row_clients);
+	free(bottom_row_clients);
+}
+
 void center_tile(Monitor *m) {
 	unsigned int i, n = 0, h, r, ie = enablegaps, mw, mx, my, oty, ety, tw;
 	Client *c = NULL;

src/layout/layout.h

@@ -11,6 +11,7 @@ static void vertical_overview(Monitor *m);
 static void vertical_grid(Monitor *m);
 static void vertical_scroller(Monitor *m);
 static void vertical_deck(Monitor *mon);
+static void dual_scroller(Monitor *mon);
 
 /* layout(s) */
 Layout overviewlayout = {"󰃇", overview, "overview"};
@@ -27,6 +28,7 @@ enum {
 	VERTICAL_GRID,
 	VERTICAL_DECK,
 	RIGHT_TILE,
+	DUAL_SCROLLER,
 };
 
 Layout layouts[] = {
@@ -44,4 +46,5 @@ Layout layouts[] = {
 	{"VT", vertical_tile, "vertical_tile", VERTICAL_TILE}, // 垂直平铺布局
 	{"VG", vertical_grid, "vertical_grid", VERTICAL_GRID}, // 垂直格子布局
 	{"VK", vertical_deck, "vertical_deck", VERTICAL_DECK}, // 垂直卡片布局
+	{"DS", dual_scroller, "dual_scroller", DUAL_SCROLLER}, // 双行滚动布局
 };

src/mango.c

@@ -285,6 +285,7 @@ struct Client {
 	struct wlr_scene_tree *scene;
 	struct wlr_scene_rect *border; /* top, bottom, left, right */
 	struct wlr_scene_shadow *shadow;
+	struct wlr_scene_blur *blur;
 	struct wlr_scene_tree *scene_surface;
 	struct wl_list link;
 	struct wl_list flink;
@@ -374,6 +375,7 @@ struct Client {
 	double old_master_mfact_per, old_master_inner_per, old_stack_innder_per;
 	double old_scroller_pproportion;
 	bool ismaster;
+	int dual_scroller_row; // 0 = top row, 1 = bottom row, -1 = not set
 	bool cursor_in_upper_half, cursor_in_left_half;
 	bool isleftstack;
 	int tearing_hint;
@@ -423,6 +425,7 @@ typedef struct {
 	struct wlr_scene_tree *scene;
 	struct wlr_scene_tree *popups;
 	struct wlr_scene_shadow *shadow;
+	struct wlr_scene_blur *blur;
 	struct wlr_scene_layer_surface_v1 *scene_layer;
 	struct wl_list link;
 	struct wl_list fadeout_link;
@@ -719,6 +722,7 @@ static struct wlr_scene_tree *
 wlr_scene_tree_snapshot(struct wlr_scene_node *node,
 						struct wlr_scene_tree *parent);
 static bool is_scroller_layout(Monitor *m);
+static bool is_row_layout(Monitor *m);
 static void create_output(struct wlr_backend *backend, void *data);
 static void get_layout_abbr(char *abbr, const char *full_name);
 static void apply_named_scratchpad(Client *target_client);
@@ -2143,12 +2147,16 @@ static void iter_layer_scene_buffers(struct wlr_scene_buffer *buffer, int sx,
 		return;
 	}
 
-	wlr_scene_buffer_set_backdrop_blur(buffer, true);
+	LayerSurface *l = (LayerSurface *)user_data;
-	wlr_scene_buffer_set_backdrop_blur_ignore_transparent(buffer, true);
+
+	wlr_scene_node_set_enabled(&l->blur->node, true);
+	wlr_scene_blur_set_transparency_mask_source(l->blur, buffer);
+	wlr_scene_blur_set_size(l->blur, l->geom.width, l->geom.height);
+
 	if (blur_optimized) {
-		wlr_scene_buffer_set_backdrop_blur_optimized(buffer, true);
+		wlr_scene_blur_set_should_only_blur_bottom_layer(l->blur, true);
 	} else {
-		wlr_scene_buffer_set_backdrop_blur_optimized(buffer, false);
+		wlr_scene_blur_set_should_only_blur_bottom_layer(l->blur, false);
 	}
 }
 
@@ -2193,15 +2201,19 @@ void maplayersurfacenotify(struct wl_listener *listener, void *data) {
 	}
 
 	// 初始化阴影
-	if (layer_surface->current.exclusive_zone == 0 &&
+	if (layer_surface->current.layer != ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM &&
-		layer_surface->current.layer != ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM &&
 		layer_surface->current.layer != ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND) {
+		if (layer_surface->current.exclusive_zone == 0) {
 			l->shadow = wlr_scene_shadow_create(l->scene, 0, 0, border_radius,
 												shadows_blur, shadowscolor);
 			wlr_scene_node_lower_to_bottom(&l->shadow->node);
 			wlr_scene_node_set_enabled(&l->shadow->node, true);
 		}
 
+		l->blur = wlr_scene_blur_create(l->scene, 0, 0);
+		wlr_scene_node_lower_to_bottom(&l->blur->node);
+	}
+
 	// 初始化动画
 	if (animations && layer_animations && !l->noanim) {
 		l->animation.duration = animation_duration_open;
@@ -2265,7 +2277,8 @@ void commitlayersurfacenotify(struct wl_listener *listener, void *data) {
 		if (!l->noblur &&
 			layer_surface->current.layer != ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM &&
 			layer_surface->current.layer !=
-				ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND) {
+				ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND &&
+			l->blur) {
 
 			wlr_scene_node_for_each_buffer(&l->scene->node,
 										   iter_layer_scene_buffers, l);
@@ -2784,6 +2797,7 @@ createnotify(struct wl_listener *listener, void *data) {
 	c = toplevel->base->data = ecalloc(1, sizeof(*c));
 	c->surface.xdg = toplevel->base;
 	c->bw = borderpx;
+	c->dual_scroller_row = -1; // Not assigned to a row yet
 
 	LISTEN(&toplevel->base->surface->events.commit, &c->commit, commitnotify);
 	LISTEN(&toplevel->base->surface->events.map, &c->map, mapnotify);
@@ -3603,15 +3617,15 @@ static void iter_xdg_scene_buffers(struct wlr_scene_buffer *buffer, int sx,
 		return;
 
 	if (blur && c && !c->noblur) {
-		wlr_scene_buffer_set_backdrop_blur(buffer, true);
+		wlr_scene_node_set_enabled(&c->blur->node, true);
-		wlr_scene_buffer_set_backdrop_blur_ignore_transparent(buffer, false);
+		// wlr_scene_blur_set_transparency_mask_source(c->blur, buffer);
 		if (blur_optimized) {
-			wlr_scene_buffer_set_backdrop_blur_optimized(buffer, true);
+			wlr_scene_blur_set_should_only_blur_bottom_layer(c->blur, true);
 		} else {
-			wlr_scene_buffer_set_backdrop_blur_optimized(buffer, false);
+			wlr_scene_blur_set_should_only_blur_bottom_layer(c->blur, false);
 		}
 	} else {
-		wlr_scene_buffer_set_backdrop_blur(buffer, false);
+		wlr_scene_node_set_enabled(&c->blur->node, false);
 	}
 }
 
@@ -3726,6 +3740,9 @@ mapnotify(struct wl_listener *listener, void *data) {
 	c->shadow = wlr_scene_shadow_create(c->scene, 0, 0, border_radius,
 										shadows_blur, shadowscolor);
 
+	c->blur = wlr_scene_blur_create(c->scene_surface, 0, 0);
+	wlr_scene_node_lower_to_bottom(&c->blur->node);
+
 	wlr_scene_node_lower_to_bottom(&c->shadow->node);
 	wlr_scene_node_set_enabled(&c->shadow->node, true);
 
@@ -3743,6 +3760,11 @@ mapnotify(struct wl_listener *listener, void *data) {
 		}
 
 		if (at_client) {
+			// For row-based layouts, assign new client to same row as focused client
+			if (is_row_layout(selmon) && at_client->dual_scroller_row >= 0) {
+				c->dual_scroller_row = at_client->dual_scroller_row;
+			}
+
 			at_client->link.next->prev = &c->link;
 			c->link.prev = &at_client->link;
 			c->link.next = at_client->link.next;
@@ -5802,6 +5824,7 @@ void createnotifyx11(struct wl_listener *listener, void *data) {
 	c = xsurface->data = ecalloc(1, sizeof(*c));
 	c->surface.xwayland = xsurface;
 	c->type = X11;
+	c->dual_scroller_row = -1; // Not assigned to a row yet
 	/* Listen to the various events it can emit */
 	LISTEN(&xsurface->events.associate, &c->associate, associatex11);
 	LISTEN(&xsurface->events.destroy, &c->destroy, destroynotify);