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

README.md

@@ -1,7 +1,7 @@
-# Mango Wayland Compositor
-<div>
-  <img src="https://github.com/DreamMaoMao/mangowc/blob/main/assets/mango-transparency-256.png" alt="MangoWC Logo" width="120"/>
-</div>
+# MangoWC
+
+<img width="255" height="256" alt="mango-transparency-256" src="https://github.com/DreamMaoMao/mangowc/blob/main/assets/mango-transparency-256.png" />
+
 
 This project's development is based on [dwl](https://codeberg.org/dwl/dwl/).
 

config.conf

@@ -59,6 +59,7 @@ 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
@@ -239,6 +240,10 @@ 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

meson.build

@@ -1,5 +1,5 @@
 project('mango', ['c', 'cpp'],
-  version : '0.10.10',
+  version : '0.10.8',
 )
 
 subdir('protocols')

mmsg/arg.h

@@ -8,13 +8,13 @@
 
 extern char *argv0;
 
-/* use main(int32_t argc, char *argv[]) */
+/* use main(int argc, char *argv[]) */
 #define ARGBEGIN                                                               \
 	for (argv0 = *argv, argv++, argc--;                                        \
 		 argv[0] && argv[0][0] == '-' && argv[0][1]; argc--, argv++) {         \
 		char argc_;                                                            \
 		char **argv_;                                                          \
-		int32_t brk_;                                                          \
+		int brk_;                                                              \
 		if (argv[0][1] == '-' && argv[0][2] == '\0') {                         \
 			argv++;                                                            \
 			argc--;                                                            \

mmsg/mmsg.c

@@ -25,31 +25,31 @@ static enum {
 	WATCH = 1 << 2 | GET,
 } mode = NONE;
 
-static int32_t Oflag;
-static int32_t Tflag;
-static int32_t Lflag;
-static int32_t oflag;
-static int32_t tflag;
-static int32_t lflag;
-static int32_t cflag;
-static int32_t vflag;
-static int32_t mflag;
-static int32_t fflag;
-static int32_t qflag;
-static int32_t dflag;
-static int32_t xflag;
-static int32_t eflag;
-static int32_t kflag;
-static int32_t bflag;
-static int32_t Aflag;
+static int Oflag;
+static int Tflag;
+static int Lflag;
+static int oflag;
+static int tflag;
+static int lflag;
+static int cflag;
+static int vflag;
+static int mflag;
+static int fflag;
+static int qflag;
+static int dflag;
+static int xflag;
+static int eflag;
+static int kflag;
+static int bflag;
+static int Aflag;
 
 static uint32_t occ, seltags, total_clients, urg;
 
 static char *output_name;
-static int32_t tagcount;
+static int tagcount;
 static char *tagset;
 static char *layout_name;
-static int32_t layoutcount, layout_idx;
+static int layoutcount, layout_idx;
 static char *client_tags;
 static char *dispatch_cmd;
 static char *dispatch_arg1;
@@ -87,7 +87,7 @@ static void noop_description(void *data, struct wl_output *wl_output,
 
 // 将 n 转换为 9 位二进制字符串，结果存入 buf（至少长度 10）
 void bin_str_9bits(char *buf, uint32_t n) {
-	for (int32_t i = 8; i >= 0; i--) {
+	for (int i = 8; i >= 0; i--) {
 		*buf++ = ((n >> i) & 1) ? '1' : '0';
 	}
 	*buf = '\0'; // 字符串结尾
@@ -324,7 +324,7 @@ static void dwl_ipc_output_frame(void *data,
 		if (tflag) {
 			uint32_t mask = seltags;
 			char *t = tagset;
-			int32_t i = 0;
+			int i = 0;
 
 			for (; *t && *t >= '0' && *t <= '9'; t++)
 				i = *t - '0' + i * 10;
@@ -354,7 +354,7 @@ static void dwl_ipc_output_frame(void *data,
 		if (cflag) {
 			uint32_t and = ~0, xor = 0;
 			char *t = client_tags;
-			int32_t i = 0;
+			int i = 0;
 
 			for (; *t && *t >= '0' && *t <= '9'; t++)
 				i = *t - '0' + i * 10;
@@ -509,7 +509,7 @@ static void usage(void) {
 	exit(2);
 }
 
-int32_t main(int32_t argc, char *argv[]) {
+int main(int argc, char *argv[]) {
 	ARGBEGIN {
 	case 'q':
 		qflag = 1;

src/animation/client.h

@@ -1,10 +1,10 @@
-void client_actual_size(Client *c, int32_t *width, int32_t *height) {
-	*width = c->animation.current.width - 2 * (int32_t)c->bw;
+void client_actual_size(Client *c, uint32_t *width, uint32_t *height) {
+	*width = c->animation.current.width - c->bw;
 
-	*height = c->animation.current.height - 2 * (int32_t)c->bw;
+	*height = c->animation.current.height - c->bw;
 }
 
-void set_rect_size(struct wlr_scene_rect *rect, int32_t width, int32_t height) {
+void set_rect_size(struct wlr_scene_rect *rect, int width, int height) {
 	wlr_scene_rect_set_size(rect, GEZERO(width), GEZERO(height));
 }
 
@@ -47,7 +47,7 @@ bool is_horizontal_right_stack_layout(Monitor *m) {
 	return false;
 }
 
-int32_t is_special_animaiton_rule(Client *c) {
+int is_special_animaiton_rule(Client *c) {
 
 	if (is_scroller_layout(c->mon) && !c->isfloating) {
 		return DOWN;
@@ -71,11 +71,11 @@ int32_t is_special_animaiton_rule(Client *c) {
 }
 
 void set_client_open_animaiton(Client *c, struct wlr_box geo) {
-	int32_t slide_direction;
-	int32_t horizontal, horizontal_value;
-	int32_t vertical, vertical_value;
-	int32_t special_direction;
-	int32_t center_x, center_y;
+	int slide_direction;
+	int horizontal, horizontal_value;
+	int vertical, vertical_value;
+	int special_direction;
+	int center_x, center_y;
 
 	if ((!c->animation_type_open && strcmp(animation_type_open, "fade") == 0) ||
 		(c->animation_type_open &&
@@ -147,15 +147,15 @@ void set_client_open_animaiton(Client *c, struct wlr_box geo) {
 	}
 }
 
-void snap_scene_buffer_apply_effect(struct wlr_scene_buffer *buffer, int32_t sx,
-									int32_t sy, void *data) {
+void snap_scene_buffer_apply_effect(struct wlr_scene_buffer *buffer, int sx,
+									int sy, void *data) {
 	BufferData *buffer_data = (BufferData *)data;
 	wlr_scene_buffer_set_dest_size(buffer, buffer_data->width,
 								   buffer_data->height);
 }
 
-void scene_buffer_apply_effect(struct wlr_scene_buffer *buffer, int32_t sx,
-							   int32_t sy, void *data) {
+void scene_buffer_apply_effect(struct wlr_scene_buffer *buffer, int sx, int sy,
+							   void *data) {
 	BufferData *buffer_data = (BufferData *)data;
 
 	if (buffer_data->should_scale && buffer_data->height_scale < 1 &&
@@ -183,8 +183,8 @@ void scene_buffer_apply_effect(struct wlr_scene_buffer *buffer, int32_t sx,
 
 	if (buffer_data->should_scale) {
 
-		int32_t surface_width = surface->current.width;
-		int32_t surface_height = surface->current.height;
+		uint32_t surface_width = surface->current.width;
+		uint32_t surface_height = surface->current.height;
 
 		surface_width = buffer_data->width_scale < 1
 							? surface_width
@@ -271,24 +271,24 @@ void client_draw_shadow(Client *c) {
 			? CORNER_LOCATION_NONE
 			: CORNER_LOCATION_ALL;
 
-	int32_t bwoffset = c->bw != 0 && hit_no_border ? (int32_t)c->bw : 0;
+	uint32_t bwoffset = c->bw != 0 && hit_no_border ? c->bw : 0;
 
-	int32_t width, height;
+	uint32_t width, height;
 	client_actual_size(c, &width, &height);
 
-	int32_t delta = shadows_size + (int32_t)c->bw - bwoffset;
+	uint32_t delta = shadows_size + c->bw - bwoffset;
 
 	/* we calculate where to clip the shadow */
 	struct wlr_box client_box = {
 		.x = bwoffset,
 		.y = bwoffset,
-		.width = width + (int32_t)c->bw - bwoffset,
-		.height = height + (int32_t)c->bw - bwoffset,
+		.width = width - 2 * bwoffset,
+		.height = height - 2 * bwoffset,
 	};
 
 	struct wlr_box shadow_box = {
-		.x = shadows_position_x + bwoffset,
-		.y = shadows_position_y + bwoffset,
+		.x = shadows_position_x,
+		.y = shadows_position_y,
 		.width = width + 2 * delta,
 		.height = height + 2 * delta,
 	};
@@ -297,8 +297,8 @@ void client_draw_shadow(Client *c) {
 	wlr_box_intersection(&intersection_box, &client_box, &shadow_box);
 	/* clipped region takes shadow relative coords, so we translate everything
 	 * by its position */
-	intersection_box.x -= shadows_position_x + bwoffset;
-	intersection_box.y -= shadows_position_y + bwoffset;
+	intersection_box.x -= shadows_position_x;
+	intersection_box.y -= shadows_position_y;
 
 	struct clipped_region clipped_region = {
 		.area = intersection_box,
@@ -313,7 +313,7 @@ void client_draw_shadow(Client *c) {
 		.height = shadow_box.height,
 	};
 
-	int32_t right_offset, bottom_offset, left_offset, top_offset;
+	int right_offset, bottom_offset, left_offset, top_offset;
 
 	if (c == grabc) {
 		right_offset = 0;
@@ -379,9 +379,9 @@ void apply_border(Client *c) {
 
 	struct wlr_box clip_box = c->animation.current;
 	// 一但在GEZERO如果使用无符号，那么其他数据也会转换为无符号导致没有负数出错
-	int32_t bw = (int32_t)c->bw;
+	int bw = (int)c->bw;
 
-	int32_t right_offset, bottom_offset, left_offset, top_offset;
+	int right_offset, bottom_offset, left_offset, top_offset;
 
 	if (c == grabc) {
 		right_offset = 0;
@@ -400,27 +400,25 @@ void apply_border(Client *c) {
 		top_offset = GEZERO(c->mon->m.y - c->animation.current.y);
 	}
 
-	int32_t inner_surface_width = GEZERO(clip_box.width - 2 * bw);
-	int32_t inner_surface_height = GEZERO(clip_box.height - 2 * bw);
+	int inner_surface_width = GEZERO(clip_box.width - 2 * bw);
+	int inner_surface_height = GEZERO(clip_box.height - 2 * bw);
 
-	int32_t inner_surface_x = GEZERO(bw - left_offset);
-	int32_t inner_surface_y = GEZERO(bw - top_offset);
+	int inner_surface_x = GEZERO(bw - left_offset);
+	int inner_surface_y = GEZERO(bw - top_offset);
 
-	int32_t rect_x = left_offset;
-	int32_t rect_y = top_offset;
+	int rect_x = left_offset;
+	int rect_y = top_offset;
 
-	int32_t rect_width =
+	int rect_width =
 		GEZERO(c->animation.current.width - left_offset - right_offset);
-	int32_t rect_height =
+	int rect_height =
 		GEZERO(c->animation.current.height - top_offset - bottom_offset);
 
 	if (left_offset > c->bw)
-		inner_surface_width =
-			inner_surface_width - left_offset + (int32_t)c->bw;
+		inner_surface_width = inner_surface_width - left_offset + c->bw;
 
 	if (top_offset > c->bw)
-		inner_surface_height =
-			inner_surface_height - top_offset + (int32_t)c->bw;
+		inner_surface_height = inner_surface_height - top_offset + c->bw;
 
 	if (right_offset > 0) {
 		inner_surface_width =
@@ -448,24 +446,24 @@ void apply_border(Client *c) {
 }
 
 struct ivec2 clip_to_hide(Client *c, struct wlr_box *clip_box) {
-	int32_t offsetx = 0, offsety = 0, offsetw = 0, offseth = 0;
+	int offsetx = 0, offsety = 0, offsetw = 0, offseth = 0;
 	struct ivec2 offset = {0, 0, 0, 0};
 
 	if (!ISSCROLLTILED(c) && !c->animation.tagining && !c->animation.tagouted &&
 		!c->animation.tagouting)
 		return offset;
 
-	int32_t bottom_out_offset =
+	int bottom_out_offset =
 		GEZERO(c->animation.current.y + c->animation.current.height -
 			   c->mon->m.y - c->mon->m.height);
-	int32_t right_out_offset =
+	int right_out_offset =
 		GEZERO(c->animation.current.x + c->animation.current.width -
 			   c->mon->m.x - c->mon->m.width);
-	int32_t left_out_offset = GEZERO(c->mon->m.x - c->animation.current.x);
-	int32_t top_out_offset = GEZERO(c->mon->m.y - c->animation.current.y);
+	int left_out_offset = GEZERO(c->mon->m.x - c->animation.current.x);
+	int top_out_offset = GEZERO(c->mon->m.y - c->animation.current.y);
 
 	// 必须转换为int，否计算会没有负数导致判断错误
-	int32_t bw = (int32_t)c->bw;
+	int bw = (int)c->bw;
 
 	/*
 	  计算窗口表面超出屏幕四个方向的偏差，避免窗口超出屏幕
@@ -524,6 +522,8 @@ void client_apply_clip(Client *c, float factor) {
 	enum corner_location current_corner_location =
 		set_client_corner_location(c);
 
+	int bw = (int)c->bw;
+
 	if (!animations) {
 		c->animation.running = false;
 		c->need_output_flush = false;
@@ -549,7 +549,7 @@ void client_apply_clip(Client *c, float factor) {
 	}
 
 	// 获取窗口动画实时位置矩形
-	int32_t width, height;
+	uint32_t width, height;
 	client_actual_size(c, &width, &height);
 
 	// 计算出除了边框的窗口实际剪切大小
@@ -558,8 +558,8 @@ void client_apply_clip(Client *c, float factor) {
 	clip_box = (struct wlr_box){
 		.x = geometry.x,
 		.y = geometry.y,
-		.width = width,
-		.height = height,
+		.width = width - bw,
+		.height = height - bw,
 	};
 
 	if (client_is_x11(c)) {
@@ -592,8 +592,8 @@ void client_apply_clip(Client *c, float factor) {
 	wlr_scene_subsurface_tree_set_clip(&c->scene_surface->node, &clip_box);
 
 	// 获取剪切后的表面的实际大小用于计算缩放
-	int32_t acutal_surface_width = geometry.width - offset.x - offset.width;
-	int32_t acutal_surface_height = geometry.height - offset.y - offset.height;
+	int acutal_surface_width = geometry.width - offset.x - offset.width;
+	int acutal_surface_height = geometry.height - offset.y - offset.height;
 
 	if (acutal_surface_width <= 0 || acutal_surface_height <= 0)
 		return;
@@ -625,24 +625,25 @@ void fadeout_client_animation_next_tick(Client *c) {
 	struct timespec now;
 	clock_gettime(CLOCK_MONOTONIC, &now);
 
-	int32_t passed_time = timespec_to_ms(&now) - c->animation.time_started;
+	uint32_t passed_time = timespec_to_ms(&now) - c->animation.time_started;
 	double animation_passed =
 		c->animation.duration
 			? (double)passed_time / (double)c->animation.duration
 			: 1.0;
 
-	int32_t type = c->animation.action = c->animation.action;
+	int type = c->animation.action = c->animation.action;
 	double factor = find_animation_curve_at(animation_passed, type);
 
-	int32_t width = c->animation.initial.width +
-					(c->current.width - c->animation.initial.width) * factor;
-	int32_t height = c->animation.initial.height +
-					 (c->current.height - c->animation.initial.height) * factor;
+	uint32_t width = c->animation.initial.width +
+					 (c->current.width - c->animation.initial.width) * factor;
+	uint32_t height =
+		c->animation.initial.height +
+		(c->current.height - c->animation.initial.height) * factor;
 
-	int32_t x = c->animation.initial.x +
-				(c->current.x - c->animation.initial.x) * factor;
-	int32_t y = c->animation.initial.y +
-				(c->current.y - c->animation.initial.y) * factor;
+	uint32_t x = c->animation.initial.x +
+				 (c->current.x - c->animation.initial.x) * factor;
+	uint32_t y = c->animation.initial.y +
+				 (c->current.y - c->animation.initial.y) * factor;
 
 	wlr_scene_node_set_position(&c->scene->node, x, y);
 
@@ -691,23 +692,24 @@ void client_animation_next_tick(Client *c) {
 	struct timespec now;
 	clock_gettime(CLOCK_MONOTONIC, &now);
 
-	int32_t passed_time = timespec_to_ms(&now) - c->animation.time_started;
+	uint32_t passed_time = timespec_to_ms(&now) - c->animation.time_started;
 	double animation_passed =
 		c->animation.duration
 			? (double)passed_time / (double)c->animation.duration
 			: 1.0;
 
-	int32_t type = c->animation.action == NONE ? MOVE : c->animation.action;
+	int type = c->animation.action == NONE ? MOVE : c->animation.action;
 	double factor = find_animation_curve_at(animation_passed, type);
 
 	Client *pointer_c = NULL;
 	double sx = 0, sy = 0;
 	struct wlr_surface *surface = NULL;
 
-	int32_t width = c->animation.initial.width +
-					(c->current.width - c->animation.initial.width) * factor;
-	int32_t height = c->animation.initial.height +
-					 (c->current.height - c->animation.initial.height) * factor;
+	uint32_t width = c->animation.initial.width +
+					 (c->current.width - c->animation.initial.width) * factor;
+	uint32_t height =
+		c->animation.initial.height +
+		(c->current.height - c->animation.initial.height) * factor;
 
 	int32_t x = c->animation.initial.x +
 				(c->current.x - c->animation.initial.x) * factor;
@@ -908,7 +910,7 @@ void client_set_pending_state(Client *c) {
 	c->dirty = true;
 }
 
-void resize(Client *c, struct wlr_box geo, int32_t interact) {
+void resize(Client *c, struct wlr_box geo, int interact) {
 
 	// 动画设置的起始函数，这里用来计算一些动画的起始值
 	// 动画起始位置大小是由于c->animainit_geom确定的
@@ -930,8 +932,8 @@ void resize(Client *c, struct wlr_box geo, int32_t interact) {
 
 	if (is_scroller_layout(c->mon) && (!c->isfloating || c == grabc)) {
 		c->geom = geo;
-		c->geom.width = MAX(1 + 2 * (int32_t)c->bw, c->geom.width);
-		c->geom.height = MAX(1 + 2 * (int32_t)c->bw, c->geom.height);
+		c->geom.width = MAX(1 + 2 * (int)c->bw, c->geom.width);
+		c->geom.height = MAX(1 + 2 * (int)c->bw, c->geom.height);
 	} else { // 这里会限制不允许窗口划出屏幕
 		c->geom = geo;
 		applybounds(
@@ -1111,7 +1113,7 @@ bool client_apply_focus_opacity(Client *c) {
 		struct timespec now;
 		clock_gettime(CLOCK_MONOTONIC, &now);
 
-		int32_t passed_time = timespec_to_ms(&now) - c->animation.time_started;
+		uint32_t passed_time = timespec_to_ms(&now) - c->animation.time_started;
 		double linear_progress =
 			c->animation.duration
 				? (double)passed_time / (double)c->animation.duration
@@ -1136,7 +1138,7 @@ bool client_apply_focus_opacity(Client *c) {
 		struct timespec now;
 		clock_gettime(CLOCK_MONOTONIC, &now);
 
-		int32_t passed_time =
+		uint32_t passed_time =
 			timespec_to_ms(&now) - c->opacity_animation.time_started;
 		double linear_progress =
 			c->opacity_animation.duration
@@ -1153,7 +1155,7 @@ bool client_apply_focus_opacity(Client *c) {
 		client_set_opacity(c, c->opacity_animation.current_opacity);
 
 		// Animate border color
-		for (int32_t i = 0; i < 4; i++) {
+		for (int i = 0; i < 4; i++) {
 			c->opacity_animation.current_border_color[i] =
 				c->opacity_animation.initial_border_color[i] +
 				(c->opacity_animation.target_border_color[i] -

src/animation/common.h

@@ -1,4 +1,4 @@
-struct dvec2 calculate_animation_curve_at(double t, int32_t type) {
+struct dvec2 calculate_animation_curve_at(double t, int type) {
 	struct dvec2 point;
 	double *animation_curve;
 	if (type == MOVE) {
@@ -41,41 +41,41 @@ void init_baked_points(void) {
 	baked_points_opafadeout =
 		calloc(BAKED_POINTS_COUNT, sizeof(*baked_points_opafadeout));
 
-	for (int32_t i = 0; i < BAKED_POINTS_COUNT; i++) {
+	for (uint32_t i = 0; i < BAKED_POINTS_COUNT; i++) {
 		baked_points_move[i] = calculate_animation_curve_at(
 			(double)i / (BAKED_POINTS_COUNT - 1), MOVE);
 	}
-	for (int32_t i = 0; i < BAKED_POINTS_COUNT; i++) {
+	for (uint32_t i = 0; i < BAKED_POINTS_COUNT; i++) {
 		baked_points_open[i] = calculate_animation_curve_at(
 			(double)i / (BAKED_POINTS_COUNT - 1), OPEN);
 	}
-	for (int32_t i = 0; i < BAKED_POINTS_COUNT; i++) {
+	for (uint32_t i = 0; i < BAKED_POINTS_COUNT; i++) {
 		baked_points_tag[i] = calculate_animation_curve_at(
 			(double)i / (BAKED_POINTS_COUNT - 1), TAG);
 	}
-	for (int32_t i = 0; i < BAKED_POINTS_COUNT; i++) {
+	for (uint32_t i = 0; i < BAKED_POINTS_COUNT; i++) {
 		baked_points_close[i] = calculate_animation_curve_at(
 			(double)i / (BAKED_POINTS_COUNT - 1), CLOSE);
 	}
-	for (int32_t i = 0; i < BAKED_POINTS_COUNT; i++) {
+	for (uint32_t i = 0; i < BAKED_POINTS_COUNT; i++) {
 		baked_points_focus[i] = calculate_animation_curve_at(
 			(double)i / (BAKED_POINTS_COUNT - 1), FOCUS);
 	}
-	for (int32_t i = 0; i < BAKED_POINTS_COUNT; i++) {
+	for (uint32_t i = 0; i < BAKED_POINTS_COUNT; i++) {
 		baked_points_opafadein[i] = calculate_animation_curve_at(
 			(double)i / (BAKED_POINTS_COUNT - 1), OPAFADEIN);
 	}
-	for (int32_t i = 0; i < BAKED_POINTS_COUNT; i++) {
+	for (uint32_t i = 0; i < BAKED_POINTS_COUNT; i++) {
 		baked_points_opafadeout[i] = calculate_animation_curve_at(
 			(double)i / (BAKED_POINTS_COUNT - 1), OPAFADEOUT);
 	}
 }
 
-double find_animation_curve_at(double t, int32_t type) {
-	int32_t down = 0;
-	int32_t up = BAKED_POINTS_COUNT - 1;
+double find_animation_curve_at(double t, int type) {
+	uint32_t down = 0;
+	uint32_t up = BAKED_POINTS_COUNT - 1;
 
-	int32_t middle = (up + down) / 2;
+	uint32_t middle = (up + down) / 2;
 	struct dvec2 *baked_points;
 	if (type == MOVE) {
 		baked_points = baked_points_move;
@@ -106,8 +106,7 @@ double find_animation_curve_at(double t, int32_t type) {
 	return baked_points[up].y;
 }
 
-static bool scene_node_snapshot(struct wlr_scene_node *node, int32_t lx,
-								int32_t ly,
+static bool scene_node_snapshot(struct wlr_scene_node *node, int lx, int ly,
 								struct wlr_scene_tree *snapshot_tree) {
 	if (!node->enabled && node->type != WLR_SCENE_NODE_TREE) {
 		return true;

src/animation/layer.h

@@ -1,4 +1,4 @@
-void layer_actual_size(LayerSurface *l, int32_t *width, int32_t *height) {
+void layer_actual_size(LayerSurface *l, uint32_t *width, uint32_t *height) {
 	struct wlr_box box;
 
 	if (l->animation.running) {
@@ -42,7 +42,7 @@ void get_layer_target_geometry(LayerSurface *l, struct wlr_box *target_box) {
 						  .height = state->desired_height};
 
 	// 水平方向定位
-	const int32_t both_horiz =
+	const uint32_t both_horiz =
 		ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT | ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
 	if (box.width == 0) {
 		box.x = bounds.x;
@@ -57,7 +57,7 @@ void get_layer_target_geometry(LayerSurface *l, struct wlr_box *target_box) {
 	}
 
 	// 垂直方向定位
-	const int32_t both_vert =
+	const uint32_t both_vert =
 		ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP | ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
 	if (box.height == 0) {
 		box.y = bounds.y;
@@ -101,10 +101,10 @@ void get_layer_target_geometry(LayerSurface *l, struct wlr_box *target_box) {
 }
 
 void set_layer_dir_animaiton(LayerSurface *l, struct wlr_box *geo) {
-	int32_t slide_direction;
-	int32_t horizontal, horizontal_value;
-	int32_t vertical, vertical_value;
-	int32_t center_x, center_y;
+	int slide_direction;
+	int horizontal, horizontal_value;
+	int vertical, vertical_value;
+	int center_x, center_y;
 
 	if (!l)
 		return;
@@ -161,10 +161,10 @@ void layer_draw_shadow(LayerSurface *l) {
 		return;
 	}
 
-	int32_t width, height;
+	uint32_t width, height;
 	layer_actual_size(l, &width, &height);
 
-	int32_t delta = shadows_size;
+	uint32_t delta = shadows_size;
 
 	/* we calculate where to clip the shadow */
 	struct wlr_box layer_box = {
@@ -200,8 +200,8 @@ void layer_draw_shadow(LayerSurface *l) {
 	wlr_scene_shadow_set_clipped_region(l->shadow, clipped_region);
 }
 
-void layer_scene_buffer_apply_effect(struct wlr_scene_buffer *buffer,
-									 int32_t sx, int32_t sy, void *data) {
+void layer_scene_buffer_apply_effect(struct wlr_scene_buffer *buffer, int sx,
+									 int sy, void *data) {
 	BufferData *buffer_data = (BufferData *)data;
 
 	struct wlr_scene_surface *scene_surface =
@@ -212,8 +212,8 @@ void layer_scene_buffer_apply_effect(struct wlr_scene_buffer *buffer,
 
 	struct wlr_surface *surface = scene_surface->surface;
 
-	int32_t surface_width = surface->current.width * buffer_data->width_scale;
-	int32_t surface_height =
+	uint32_t surface_width = surface->current.width * buffer_data->width_scale;
+	uint32_t surface_height =
 		surface->current.height * buffer_data->height_scale;
 
 	if (surface_height > 0 && surface_width > 0) {
@@ -222,8 +222,7 @@ void layer_scene_buffer_apply_effect(struct wlr_scene_buffer *buffer,
 }
 
 void layer_fadeout_scene_buffer_apply_effect(struct wlr_scene_buffer *buffer,
-											 int32_t sx, int32_t sy,
-											 void *data) {
+											 int sx, int sy, void *data) {
 	BufferData *buffer_data = (BufferData *)data;
 	wlr_scene_buffer_set_dest_size(buffer, buffer_data->width,
 								   buffer_data->height);
@@ -236,23 +235,24 @@ void fadeout_layer_animation_next_tick(LayerSurface *l) {
 	struct timespec now;
 	clock_gettime(CLOCK_MONOTONIC, &now);
 
-	int32_t passed_time = timespec_to_ms(&now) - l->animation.time_started;
+	uint32_t passed_time = timespec_to_ms(&now) - l->animation.time_started;
 	double animation_passed =
 		l->animation.duration
 			? (double)passed_time / (double)l->animation.duration
 			: 1.0;
 
-	int32_t type = l->animation.action = l->animation.action;
+	int type = l->animation.action = l->animation.action;
 	double factor = find_animation_curve_at(animation_passed, type);
-	int32_t width = l->animation.initial.width +
-					(l->current.width - l->animation.initial.width) * factor;
-	int32_t height = l->animation.initial.height +
-					 (l->current.height - l->animation.initial.height) * factor;
+	uint32_t width = l->animation.initial.width +
+					 (l->current.width - l->animation.initial.width) * factor;
+	uint32_t height =
+		l->animation.initial.height +
+		(l->current.height - l->animation.initial.height) * factor;
 
-	int32_t x = l->animation.initial.x +
-				(l->current.x - l->animation.initial.x) * factor;
-	int32_t y = l->animation.initial.y +
-				(l->current.y - l->animation.initial.y) * factor;
+	uint32_t x = l->animation.initial.x +
+				 (l->current.x - l->animation.initial.x) * factor;
+	uint32_t y = l->animation.initial.y +
+				 (l->current.y - l->animation.initial.y) * factor;
 
 	wlr_scene_node_set_position(&l->scene->node, x, y);
 
@@ -304,24 +304,25 @@ void layer_animation_next_tick(LayerSurface *l) {
 	struct timespec now;
 	clock_gettime(CLOCK_MONOTONIC, &now);
 
-	int32_t passed_time = timespec_to_ms(&now) - l->animation.time_started;
+	uint32_t passed_time = timespec_to_ms(&now) - l->animation.time_started;
 	double animation_passed =
 		l->animation.duration
 			? (double)passed_time / (double)l->animation.duration
 			: 1.0;
 
-	int32_t type = l->animation.action == NONE ? MOVE : l->animation.action;
+	int type = l->animation.action == NONE ? MOVE : l->animation.action;
 	double factor = find_animation_curve_at(animation_passed, type);
 
-	int32_t width = l->animation.initial.width +
-					(l->current.width - l->animation.initial.width) * factor;
-	int32_t height = l->animation.initial.height +
-					 (l->current.height - l->animation.initial.height) * factor;
+	uint32_t width = l->animation.initial.width +
+					 (l->current.width - l->animation.initial.width) * factor;
+	uint32_t height =
+		l->animation.initial.height +
+		(l->current.height - l->animation.initial.height) * factor;
 
-	int32_t x = l->animation.initial.x +
-				(l->current.x - l->animation.initial.x) * factor;
-	int32_t y = l->animation.initial.y +
-				(l->current.y - l->animation.initial.y) * factor;
+	uint32_t x = l->animation.initial.x +
+				 (l->current.x - l->animation.initial.x) * factor;
+	uint32_t y = l->animation.initial.y +
+				 (l->current.y - l->animation.initial.y) * factor;
 
 	double opacity_eased_progress =
 		find_animation_curve_at(animation_passed, OPAFADEIN);
@@ -466,8 +467,7 @@ void init_fadeout_layers(LayerSurface *l) {
 	wl_list_insert(&fadeout_layers, &fadeout_layer->fadeout_link);
 
 	// 请求刷新屏幕
-	if (l->mon)
-		wlr_output_schedule_frame(l->mon->wlr_output);
+	wlr_output_schedule_frame(l->mon->wlr_output);
 }
 
 void layer_set_pending_state(LayerSurface *l) {
@@ -550,8 +550,7 @@ void layer_commit(LayerSurface *l) {
 		l->animation.should_animate = false;
 	}
 	// 请求刷新屏幕
-	if (l->mon)
-		wlr_output_schedule_frame(l->mon->wlr_output);
+	wlr_output_schedule_frame(l->mon->wlr_output);
 }
 
 bool layer_draw_frame(LayerSurface *l) {

src/client/client.h

@@ -6,7 +6,7 @@
  */
 
 /* Leave these functions first; they're used in the others */
-static inline int32_t client_is_x11(Client *c) {
+static inline int client_is_x11(Client *c) {
 #ifdef XWAYLAND
 	return c->type == X11;
 #endif
@@ -21,15 +21,14 @@ static inline struct wlr_surface *client_surface(Client *c) {
 	return c->surface.xdg->surface;
 }
 
-static inline int32_t toplevel_from_wlr_surface(struct wlr_surface *s,
-												Client **pc,
-												LayerSurface **pl) {
+static inline int toplevel_from_wlr_surface(struct wlr_surface *s, Client **pc,
+											LayerSurface **pl) {
 	struct wlr_xdg_surface *xdg_surface, *tmp_xdg_surface;
 	struct wlr_surface *root_surface;
 	struct wlr_layer_surface_v1 *layer_surface;
 	Client *c = NULL;
 	LayerSurface *l = NULL;
-	int32_t type = -1;
+	int type = -1;
 #ifdef XWAYLAND
 	struct wlr_xwayland_surface *xsurface;
 #endif
@@ -89,7 +88,7 @@ end:
 
 /* The others */
 static inline void client_activate_surface(struct wlr_surface *s,
-										   int32_t activated) {
+										   int activated) {
 	struct wlr_xdg_toplevel *toplevel;
 #ifdef XWAYLAND
 	struct wlr_xwayland_surface *xsurface;
@@ -114,7 +113,7 @@ static inline const char *client_get_appid(Client *c) {
 											: "broken";
 }
 
-static inline int32_t client_get_pid(Client *c) {
+static inline int client_get_pid(Client *c) {
 	pid_t pid;
 #ifdef XWAYLAND
 	if (client_is_x11(c))
@@ -128,8 +127,8 @@ static inline void client_get_clip(Client *c, struct wlr_box *clip) {
 	*clip = (struct wlr_box){
 		.x = 0,
 		.y = 0,
-		.width = c->geom.width - 2 * c->bw,
-		.height = c->geom.height - 2 * c->bw,
+		.width = c->geom.width - c->bw,
+		.height = c->geom.height - c->bw,
 	};
 
 #ifdef XWAYLAND
@@ -170,7 +169,7 @@ static inline Client *client_get_parent(Client *c) {
 	return p;
 }
 
-static inline int32_t client_has_children(Client *c) {
+static inline int client_has_children(Client *c) {
 #ifdef XWAYLAND
 	if (client_is_x11(c))
 		return !wl_list_empty(&c->surface.xwayland->children);
@@ -190,7 +189,7 @@ static inline const char *client_get_title(Client *c) {
 										   : "broken";
 }
 
-static inline int32_t client_is_float_type(Client *c) {
+static inline int client_is_float_type(Client *c) {
 	struct wlr_xdg_toplevel *toplevel;
 	struct wlr_xdg_toplevel_state state;
 
@@ -230,12 +229,12 @@ static inline int32_t client_is_float_type(Client *c) {
 								 state.min_height == state.max_height));
 }
 
-static inline int32_t client_is_rendered_on_mon(Client *c, Monitor *m) {
+static inline int client_is_rendered_on_mon(Client *c, Monitor *m) {
 	/* This is needed for when you don't want to check formal assignment,
 	 * but rather actual displaying of the pixels.
 	 * Usually VISIBLEON suffices and is also faster. */
 	struct wlr_surface_output *s;
-	int32_t unused_lx, unused_ly;
+	int unused_lx, unused_ly;
 	if (!wlr_scene_node_coords(&c->scene->node, &unused_lx, &unused_ly))
 		return 0;
 	wl_list_for_each(s, &client_surface(c)->current_outputs,
@@ -243,8 +242,8 @@ static inline int32_t client_is_rendered_on_mon(Client *c, Monitor *m) {
 	return 0;
 }
 
-static inline int32_t client_is_stopped(Client *c) {
-	int32_t pid;
+static inline int client_is_stopped(Client *c) {
+	int pid;
 	siginfo_t in = {0};
 #ifdef XWAYLAND
 	if (client_is_x11(c))
@@ -268,7 +267,7 @@ static inline int32_t client_is_stopped(Client *c) {
 	return 0;
 }
 
-static inline int32_t client_is_unmanaged(Client *c) {
+static inline int client_is_unmanaged(Client *c) {
 #ifdef XWAYLAND
 	if (client_is_x11(c))
 		return c->surface.xwayland->override_redirect;
@@ -300,7 +299,7 @@ static inline void client_set_border_color(Client *c,
 	wlr_scene_rect_set_color(c->border, color);
 }
 
-static inline void client_set_fullscreen(Client *c, int32_t fullscreen) {
+static inline void client_set_fullscreen(Client *c, int fullscreen) {
 #ifdef XWAYLAND
 	if (client_is_x11(c)) {
 		wlr_xwayland_surface_set_fullscreen(c->surface.xwayland, fullscreen);
@@ -380,7 +379,7 @@ static inline void client_set_tiled(Client *c, uint32_t edges) {
 	}
 }
 
-static inline void client_set_suspended(Client *c, int32_t suspended) {
+static inline void client_set_suspended(Client *c, int suspended) {
 #ifdef XWAYLAND
 	if (client_is_x11(c))
 		return;
@@ -389,7 +388,7 @@ static inline void client_set_suspended(Client *c, int32_t suspended) {
 	wlr_xdg_toplevel_set_suspended(c->surface.xdg->toplevel, suspended);
 }
 
-static inline int32_t client_should_ignore_focus(Client *c) {
+static inline int client_should_ignore_focus(Client *c) {
 
 #ifdef XWAYLAND
 	if (client_is_x11(c)) {
@@ -404,7 +403,7 @@ static inline int32_t client_should_ignore_focus(Client *c) {
 	return 0;
 }
 
-static inline int32_t client_is_x11_popup(Client *c) {
+static inline int client_is_x11_popup(Client *c) {
 
 #ifdef XWAYLAND
 	if (client_is_x11(c)) {
@@ -433,7 +432,7 @@ static inline int32_t client_is_x11_popup(Client *c) {
 	return 0;
 }
 
-static inline int32_t client_should_global(Client *c) {
+static inline int client_should_global(Client *c) {
 
 #ifdef XWAYLAND
 	if (client_is_x11(c)) {
@@ -446,7 +445,7 @@ static inline int32_t client_should_global(Client *c) {
 	return 0;
 }
 
-static inline int32_t client_should_overtop(Client *c) {
+static inline int client_should_overtop(Client *c) {
 
 #ifdef XWAYLAND
 	if (client_is_x11(c)) {
@@ -458,7 +457,7 @@ static inline int32_t client_should_overtop(Client *c) {
 	return 0;
 }
 
-static inline int32_t client_wants_focus(Client *c) {
+static inline int client_wants_focus(Client *c) {
 #ifdef XWAYLAND
 	return client_is_unmanaged(c) &&
 		   wlr_xwayland_surface_override_redirect_wants_focus(
@@ -469,7 +468,7 @@ static inline int32_t client_wants_focus(Client *c) {
 	return 0;
 }
 
-static inline int32_t client_wants_fullscreen(Client *c) {
+static inline int client_wants_fullscreen(Client *c) {
 #ifdef XWAYLAND
 	if (client_is_x11(c))
 		return c->surface.xwayland->fullscreen;

src/common/util.c

@@ -36,8 +36,8 @@ void *ecalloc(size_t nmemb, size_t size) {
 	return p;
 }
 
-int32_t fd_set_nonblock(int32_t fd) {
-	int32_t flags = fcntl(fd, F_GETFL);
+int fd_set_nonblock(int fd) {
+	int flags = fcntl(fd, F_GETFL);
 	if (flags < 0) {
 		perror("fcntl(F_GETFL):");
 		return -1;
@@ -50,8 +50,8 @@ int32_t fd_set_nonblock(int32_t fd) {
 	return 0;
 }
 
-int32_t regex_match(const char *pattern, const char *str) {
-	int32_t errnum;
+int regex_match(const char *pattern, const char *str) {
+	int errnum;
 	PCRE2_SIZE erroffset;
 
 	if (!pattern || !str) {
@@ -70,7 +70,7 @@ int32_t regex_match(const char *pattern, const char *str) {
 
 	pcre2_match_data *match_data =
 		pcre2_match_data_create_from_pattern(re, NULL);
-	int32_t ret =
+	int ret =
 		pcre2_match(re, (PCRE2_SPTR)str, strlen(str), 0, 0, match_data, NULL);
 
 	pcre2_match_data_free(match_data);

src/common/util.h

@@ -3,8 +3,8 @@
 
 void die(const char *fmt, ...);
 void *ecalloc(size_t nmemb, size_t size);
-int32_t fd_set_nonblock(int32_t fd);
-int32_t regex_match(const char *pattern_mb, const char *str_mb);
+int fd_set_nonblock(int fd);
+int regex_match(const char *pattern_mb, const char *str_mb);
 void wl_list_append(struct wl_list *list, struct wl_list *object);
 uint32_t get_now_in_ms(void);
 uint32_t timespec_to_ms(struct timespec *ts);

src/config/parse_config.h

@@ -10,9 +10,8 @@
 
 // 整数版本 - 截断小数部分
 #define CLAMP_INT(x, min, max)                                                 \
-	((int32_t)(x) < (int32_t)(min)                                             \
-		 ? (int32_t)(min)                                                      \
-		 : ((int32_t)(x) > (int32_t)(max) ? (int32_t)(max) : (int32_t)(x)))
+	((int)(x) < (int)(min) ? (int)(min)                                        \
+						   : ((int)(x) > (int)(max) ? (int)(max) : (int)(x)))
 
 // 浮点数版本 - 保留小数部分
 #define CLAMP_FLOAT(x, min, max)                                               \
@@ -31,13 +30,13 @@ typedef struct {
 typedef struct {
 	xkb_keysym_t keysym;
 	MultiKeycode keycode;
-	int32_t type;
+	int type;
 } KeySymCode;
 
 typedef struct {
 	uint32_t mod;
 	KeySymCode keysymcode;
-	int32_t (*func)(const Arg *);
+	int (*func)(const Arg *);
 	Arg arg;
 	char mode[28];
 	bool iscommonmode;
@@ -56,42 +55,42 @@ typedef struct {
 	const char *id;
 	const char *title;
 	uint32_t tags;
-	int32_t isfloating;
-	int32_t isfullscreen;
+	int isfloating;
+	int isfullscreen;
 	float scroller_proportion;
 	const char *animation_type_open;
 	const char *animation_type_close;
 	const char *layer_animation_type_open;
 	const char *layer_animation_type_close;
-	int32_t isnoborder;
-	int32_t isnoshadow;
-	int32_t isnoradius;
-	int32_t isnoanimation;
-	int32_t isopensilent;
-	int32_t istagsilent;
-	int32_t isnamedscratchpad;
-	int32_t isunglobal;
-	int32_t isglobal;
-	int32_t isoverlay;
-	int32_t allow_shortcuts_inhibit;
-	int32_t ignore_maximize;
-	int32_t ignore_minimize;
-	int32_t isnosizehint;
+	int isnoborder;
+	int isnoshadow;
+	int isnoradius;
+	int isnoanimation;
+	int isopensilent;
+	int istagsilent;
+	int isnamedscratchpad;
+	int isunglobal;
+	int isglobal;
+	int isoverlay;
+	int allow_shortcuts_inhibit;
+	int ignore_maximize;
+	int ignore_minimize;
+	int isnosizehint;
 	const char *monitor;
-	int32_t offsetx;
-	int32_t offsety;
-	int32_t width;
-	int32_t height;
-	int32_t nofocus;
-	int32_t nofadein;
-	int32_t nofadeout;
-	int32_t no_force_center;
-	int32_t isterm;
-	int32_t allow_csd;
-	int32_t force_maximize;
-	int32_t force_tearing;
-	int32_t noswallow;
-	int32_t noblur;
+	int offsetx;
+	int offsety;
+	int width;
+	int height;
+	int nofocus;
+	int nofadein;
+	int nofadeout;
+	int no_force_center;
+	int isterm;
+	int allow_csd;
+	int force_maximize;
+	int force_tearing;
+	int noswallow;
+	int noblur;
 	float focused_opacity;
 	float unfocused_opacity;
 	float scroller_proportion_single;
@@ -101,15 +100,15 @@ typedef struct {
 } ConfigWinRule;
 
 typedef struct {
-	const char *name;	   // 显示器名称
-	float mfact;		   // 主区域比例
-	int32_t nmaster;	   // 主区域窗口数量
-	const char *layout;	   // 布局名称（字符串）
-	int32_t rr;			   // 旋转和翻转（假设为整数）
-	float scale;		   // 显示器缩放比例
-	int32_t x, y;		   // 显示器位置
-	int32_t width, height; // 显示器分辨率
-	float refresh;		   // 刷新率
+	const char *name;	// 显示器名称
+	float mfact;		// 主区域比例
+	int nmaster;		// 主区域窗口数量
+	const char *layout; // 布局名称（字符串）
+	int rr;				// 旋转和翻转（假设为整数）
+	float scale;		// 显示器缩放比例
+	int x, y;			// 显示器位置
+	int width, height;	// 显示器分辨率
+	float refresh;		// 刷新率
 } ConfigMonitorRule;
 
 // 修改后的宏定义
@@ -130,20 +129,20 @@ KeyBinding default_key_bindings[] = {CHVT(1), CHVT(2),	CHVT(3),  CHVT(4),
 typedef struct {
 	uint32_t mod;
 	uint32_t button;
-	int32_t (*func)(const Arg *);
+	int (*func)(const Arg *);
 	Arg arg;
 } MouseBinding;
 
 typedef struct {
 	uint32_t mod;
 	uint32_t dir;
-	int32_t (*func)(const Arg *);
+	int (*func)(const Arg *);
 	Arg arg;
 } AxisBinding;
 
 typedef struct {
 	uint32_t fold;
-	int32_t (*func)(const Arg *);
+	int (*func)(const Arg *);
 	Arg arg;
 } SwitchBinding;
 
@@ -151,37 +150,37 @@ typedef struct {
 	uint32_t mod;
 	uint32_t motion;
 	uint32_t fingers_count;
-	int32_t (*func)(const Arg *);
+	int (*func)(const Arg *);
 	Arg arg;
 } GestureBinding;
 
 typedef struct {
-	int32_t id;		   // 标签ID (1-9)
+	int id;			   // 标签ID (1-9)
 	char *layout_name; // 布局名称
 	char *monitor_name;
-	int32_t no_render_border;
-	int32_t no_hide;
+	int no_render_border;
+	int no_hide;
 } ConfigTagRule;
 
 typedef struct {
 	char *layer_name; // 布局名称
 	char *animation_type_open;
 	char *animation_type_close;
-	int32_t noblur;
-	int32_t noanim;
-	int32_t noshadow;
+	int noblur;
+	int noanim;
+	int noshadow;
 } ConfigLayerRule;
 
 typedef struct {
-	int32_t animations;
-	int32_t layer_animations;
+	int animations;
+	int layer_animations;
 	char animation_type_open[10];
 	char animation_type_close[10];
 	char layer_animation_type_open[10];
 	char layer_animation_type_close[10];
-	int32_t animation_fade_in;
-	int32_t animation_fade_out;
-	int32_t tag_animation_direction;
+	int animation_fade_in;
+	int animation_fade_out;
+	int tag_animation_direction;
 	float zoom_initial_ratio;
 	float zoom_end_ratio;
 	float fadein_begin_opacity;
@@ -199,66 +198,67 @@ typedef struct {
 	double animation_curve_opafadein[4];
 	double animation_curve_opafadeout[4];
 
-	int32_t scroller_structs;
+	int scroller_structs;
 	float scroller_default_proportion;
 	float scroller_default_proportion_single;
-	int32_t scroller_ignore_proportion_single;
-	int32_t scroller_focus_center;
-	int32_t scroller_prefer_center;
-	int32_t edge_scroller_pointer_focus;
-	int32_t focus_cross_monitor;
-	int32_t exchange_cross_monitor;
-	int32_t scratchpad_cross_monitor;
-	int32_t focus_cross_tag;
-	int32_t view_current_to_back;
-	int32_t no_border_when_single;
-	int32_t no_radius_when_single;
-	int32_t snap_distance;
-	int32_t enable_floating_snap;
-	int32_t drag_tile_to_tile;
+	int scroller_ignore_proportion_single;
+	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;
+	int focus_cross_tag;
+	int view_current_to_back;
+	int no_border_when_single;
+	int no_radius_when_single;
+	int snap_distance;
+	int enable_floating_snap;
+	int drag_tile_to_tile;
 	uint32_t swipe_min_threshold;
 	float focused_opacity;
 	float unfocused_opacity;
 	float *scroller_proportion_preset;
-	int32_t scroller_proportion_preset_count;
+	int scroller_proportion_preset_count;
 
 	char **circle_layout;
-	int32_t circle_layout_count;
+	int circle_layout_count;
 
 	uint32_t new_is_master;
 	float default_mfact;
 	uint32_t default_nmaster;
-	int32_t center_master_overspread;
-	int32_t center_when_single_stack;
+	int center_master_overspread;
+	int center_when_single_stack;
 
 	uint32_t hotarea_size;
 	uint32_t enable_hotarea;
 	uint32_t ov_tab_mode;
-	int32_t overviewgappi;
-	int32_t overviewgappo;
+	int overviewgappi;
+	int overviewgappo;
 	uint32_t cursor_hide_timeout;
 
 	uint32_t axis_bind_apply_timeout;
 	uint32_t focus_on_activate;
-	int32_t idleinhibit_ignore_visible;
-	int32_t sloppyfocus;
-	int32_t warpcursor;
+	int idleinhibit_ignore_visible;
+	int sloppyfocus;
+	int warpcursor;
 
 	/* keyboard */
-	int32_t repeat_rate;
-	int32_t repeat_delay;
+	int repeat_rate;
+	int repeat_delay;
 	uint32_t numlockon;
 
 	/* Trackpad */
-	int32_t disable_trackpad;
-	int32_t tap_to_click;
-	int32_t tap_and_drag;
-	int32_t drag_lock;
-	int32_t mouse_natural_scrolling;
-	int32_t trackpad_natural_scrolling;
-	int32_t disable_while_typing;
-	int32_t left_handed;
-	int32_t middle_button_emulation;
+	int disable_trackpad;
+	int tap_to_click;
+	int tap_and_drag;
+	int drag_lock;
+	int mouse_natural_scrolling;
+	int trackpad_natural_scrolling;
+	int disable_while_typing;
+	int left_handed;
+	int middle_button_emulation;
 	uint32_t accel_profile;
 	double accel_speed;
 	uint32_t scroll_method;
@@ -269,21 +269,21 @@ typedef struct {
 
 	double axis_scroll_factor;
 
-	int32_t blur;
-	int32_t blur_layer;
-	int32_t blur_optimized;
-	int32_t border_radius;
+	int blur;
+	int blur_layer;
+	int blur_optimized;
+	int border_radius;
 	struct blur_data blur_params;
-	int32_t shadows;
-	int32_t shadow_only_floating;
-	int32_t layer_shadows;
+	int shadows;
+	int shadow_only_floating;
+	int layer_shadows;
 	uint32_t shadows_size;
 	float shadows_blur;
-	int32_t shadows_position_x;
-	int32_t shadows_position_y;
+	int shadows_position_x;
+	int shadows_position_y;
 	float shadowscolor[4];
 
-	int32_t smartgaps;
+	int smartgaps;
 	uint32_t gappih;
 	uint32_t gappiv;
 	uint32_t gappoh;
@@ -303,51 +303,51 @@ typedef struct {
 	char autostart[3][256];
 
 	ConfigTagRule *tag_rules; // 动态数组
-	int32_t tag_rules_count;  // 数量
+	int tag_rules_count;	  // 数量
 
 	ConfigLayerRule *layer_rules; // 动态数组
-	int32_t layer_rules_count;	  // 数量
+	int layer_rules_count;		  // 数量
 
 	ConfigWinRule *window_rules;
-	int32_t window_rules_count;
+	int window_rules_count;
 
 	ConfigMonitorRule *monitor_rules; // 动态数组
-	int32_t monitor_rules_count;	  // 条数
+	int monitor_rules_count;		  // 条数
 
 	KeyBinding *key_bindings;
-	int32_t key_bindings_count;
+	int key_bindings_count;
 
 	MouseBinding *mouse_bindings;
-	int32_t mouse_bindings_count;
+	int mouse_bindings_count;
 
 	AxisBinding *axis_bindings;
-	int32_t axis_bindings_count;
+	int axis_bindings_count;
 
 	SwitchBinding *switch_bindings;
-	int32_t switch_bindings_count;
+	int switch_bindings_count;
 
 	GestureBinding *gesture_bindings;
-	int32_t gesture_bindings_count;
+	int gesture_bindings_count;
 
 	ConfigEnv **env;
-	int32_t env_count;
+	int env_count;
 
 	char **exec;
-	int32_t exec_count;
+	int exec_count;
 
 	char **exec_once;
-	int32_t exec_once_count;
+	int exec_once_count;
 
 	char *cursor_theme;
 	uint32_t cursor_size;
 
-	int32_t single_scratchpad;
-	int32_t xwayland_persistence;
-	int32_t syncobj_enable;
-	int32_t adaptive_sync;
-	int32_t allow_tearing;
-	int32_t allow_shortcuts_inhibit;
-	int32_t allow_lock_transparent;
+	int single_scratchpad;
+	int xwayland_persistence;
+	int syncobj_enable;
+	int adaptive_sync;
+	int allow_tearing;
+	int allow_shortcuts_inhibit;
+	int allow_lock_transparent;
 
 	struct xkb_rule_names xkb_rules;
 
@@ -357,7 +357,7 @@ typedef struct {
 	struct xkb_keymap *keymap;
 } Config;
 
-typedef int32_t (*FuncType)(const Arg *);
+typedef int (*FuncType)(const Arg *);
 Config config;
 
 void parse_config_file(Config *config, const char *file_path);
@@ -388,11 +388,10 @@ void trim_whitespace(char *str) {
 	}
 }
 
-int32_t parse_double_array(const char *input, double *output,
-						   int32_t max_count) {
+int parse_double_array(const char *input, double *output, int max_count) {
 	char *dup = strdup(input);
 	char *token;
-	int32_t count = 0;
+	int count = 0;
 
 	// 先清空整个数组
 	memset(output, 0, max_count * sizeof(double));
@@ -440,7 +439,7 @@ void parse_bind_flags(const char *str, KeyBinding *kb) {
 	const char *suffix = str + 4; // 跳过"bind"
 
 	// 遍历后缀字符
-	for (int32_t i = 0; suffix[i] != '\0'; i++) {
+	for (int i = 0; suffix[i] != '\0'; i++) {
 		switch (suffix[i]) {
 		case 's':
 			kb->keysymcode.type = KEY_TYPE_SYM;
@@ -461,10 +460,10 @@ void parse_bind_flags(const char *str, KeyBinding *kb) {
 	}
 }
 
-int32_t parse_circle_direction(const char *str) {
+int parse_circle_direction(const char *str) {
 	// 将输入字符串转换为小写
 	char lowerStr[10];
-	int32_t i = 0;
+	int i = 0;
 	while (str[i] && i < 9) {
 		lowerStr[i] = tolower(str[i]);
 		i++;
@@ -479,10 +478,10 @@ int32_t parse_circle_direction(const char *str) {
 	}
 }
 
-int32_t parse_direction(const char *str) {
+int parse_direction(const char *str) {
 	// 将输入字符串转换为小写
 	char lowerStr[10];
-	int32_t i = 0;
+	int i = 0;
 	while (str[i] && i < 9) {
 		lowerStr[i] = tolower(str[i]);
 		i++;
@@ -503,10 +502,10 @@ int32_t parse_direction(const char *str) {
 	}
 }
 
-int32_t parse_fold_state(const char *str) {
+int parse_fold_state(const char *str) {
 	// 将输入字符串转换为小写
 	char lowerStr[10];
-	int32_t i = 0;
+	int i = 0;
 	while (str[i] && i < 9) {
 		lowerStr[i] = tolower(str[i]);
 		i++;
@@ -522,9 +521,9 @@ int32_t parse_fold_state(const char *str) {
 		return INVALIDFOLD;
 	}
 }
-int64_t parse_color(const char *hex_str) {
+long int parse_color(const char *hex_str) {
 	char *endptr;
-	int64_t hex_num = strtol(hex_str, &endptr, 16);
+	long int hex_num = strtol(hex_str, &endptr, 16);
 	if (*endptr != '\0') {
 		return -1;
 	}
@@ -622,9 +621,8 @@ uint32_t parse_mod(const char *mod_str) {
 }
 
 // 定义辅助函数：在 keymap 中查找 keysym 对应的多个 keycode
-static int32_t find_keycodes_for_keysym(struct xkb_keymap *keymap,
-										xkb_keysym_t sym,
-										MultiKeycode *multi_kc) {
+static int find_keycodes_for_keysym(struct xkb_keymap *keymap, xkb_keysym_t sym,
+									MultiKeycode *multi_kc) {
 	xkb_keycode_t min_keycode = xkb_keymap_min_keycode(keymap);
 	xkb_keycode_t max_keycode = xkb_keymap_max_keycode(keymap);
 
@@ -632,16 +630,16 @@ static int32_t find_keycodes_for_keysym(struct xkb_keymap *keymap,
 	multi_kc->keycode2 = 0;
 	multi_kc->keycode3 = 0;
 
-	int32_t found_count = 0;
+	int found_count = 0;
 
 	for (xkb_keycode_t keycode = min_keycode;
 		 keycode <= max_keycode && found_count < 3; keycode++) {
 		// 使用布局0和层级0
 		const xkb_keysym_t *syms;
-		int32_t num_syms =
+		int num_syms =
 			xkb_keymap_key_get_syms_by_level(keymap, keycode, 0, 0, &syms);
 
-		for (int32_t i = 0; i < num_syms; i++) {
+		for (int i = 0; i < num_syms; i++) {
 			if (syms[i] == sym) {
 				switch (found_count) {
 				case 0:
@@ -719,7 +717,7 @@ KeySymCode parse_key(const char *key_str, bool isbindsym) {
 
 	if (sym != XKB_KEY_NoSymbol) {
 		// 尝试找到对应的多个 keycode
-		int32_t found_count =
+		int found_count =
 			find_keycodes_for_keysym(config.keymap, sym, &kc.keycode);
 		if (found_count > 0) {
 			kc.type = KEY_TYPE_CODE;
@@ -739,10 +737,10 @@ KeySymCode parse_key(const char *key_str, bool isbindsym) {
 	return kc;
 }
 
-int32_t parse_button(const char *str) {
+int parse_button(const char *str) {
 	// 将输入字符串转换为小写
 	char lowerStr[20];
-	int32_t i = 0;
+	int i = 0;
 	while (str[i] && i < 19) {
 		lowerStr[i] = tolower(str[i]);
 		i++;
@@ -771,10 +769,10 @@ int32_t parse_button(const char *str) {
 	}
 }
 
-int32_t parse_mouse_action(const char *str) {
+int parse_mouse_action(const char *str) {
 	// 将输入字符串转换为小写
 	char lowerStr[20];
-	int32_t i = 0;
+	int i = 0;
 	while (str[i] && i < 19) {
 		lowerStr[i] = tolower(str[i]);
 		i++;
@@ -795,7 +793,7 @@ int32_t parse_mouse_action(const char *str) {
 	}
 }
 
-void convert_hex_to_rgba(float *color, uint32_t hex) {
+void convert_hex_to_rgba(float *color, unsigned long int hex) {
 	color[0] = ((hex >> 24) & 0xFF) / 255.0f;
 	color[1] = ((hex >> 16) & 0xFF) / 255.0f;
 	color[2] = ((hex >> 8) & 0xFF) / 255.0f;
@@ -828,12 +826,17 @@ 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) {
@@ -882,7 +885,7 @@ FuncType parse_func_name(char *func_name, Arg *arg, char *arg_value,
 
 		// 收集需要拼接的参数
 		const char *non_empty_params[4] = {NULL};
-		int32_t param_index = 0;
+		int param_index = 0;
 
 		if (arg_value2 && arg_value2[0] != '\0')
 			non_empty_params[param_index++] = arg_value2;
@@ -899,7 +902,7 @@ FuncType parse_func_name(char *func_name, Arg *arg, char *arg_value,
 		} else {
 			// 计算总长度
 			size_t len = 0;
-			for (int32_t i = 0; i < param_index; i++) {
+			for (int i = 0; i < param_index; i++) {
 				len += strlen(non_empty_params[i]);
 			}
 			len += (param_index - 1) + 1; // 逗号数 + null终止符
@@ -907,7 +910,7 @@ FuncType parse_func_name(char *func_name, Arg *arg, char *arg_value,
 			char *temp = malloc(len);
 			if (temp) {
 				char *cursor = temp;
-				for (int32_t i = 0; i < param_index; i++) {
+				for (int i = 0; i < param_index; i++) {
 					if (i > 0) {
 						*cursor++ = ',';
 					}
@@ -1011,7 +1014,7 @@ FuncType parse_func_name(char *func_name, Arg *arg, char *arg_value,
 			token = strtok_r(arg_copy, "|", &saveptr);
 
 			while (token != NULL) {
-				int32_t num = atoi(token);
+				int num = atoi(token);
 				if (num > 0 && num <= LENGTH(tags)) {
 					mask |= (1 << (num - 1));
 				}
@@ -1087,7 +1090,7 @@ FuncType parse_func_name(char *func_name, Arg *arg, char *arg_value,
 }
 
 void set_env() {
-	for (int32_t i = 0; i < config.env_count; i++) {
+	for (int i = 0; i < config.env_count; i++) {
 		setenv(config.env[i]->type, config.env[i]->value, 1);
 	}
 }
@@ -1095,7 +1098,7 @@ void set_env() {
 void run_exec() {
 	Arg arg;
 
-	for (int32_t i = 0; i < config.exec_count; i++) {
+	for (int i = 0; i < config.exec_count; i++) {
 		arg.v = config.exec[i];
 		spawn_shell(&arg);
 	}
@@ -1104,7 +1107,7 @@ void run_exec() {
 void run_exec_once() {
 	Arg arg;
 
-	for (int32_t i = 0; i < config.exec_once_count; i++) {
+	for (int i = 0; i < config.exec_once_count; i++) {
 		arg.v = config.exec_once[i];
 		spawn_shell(&arg);
 	}
@@ -1158,43 +1161,39 @@ void parse_option(Config *config, char *key, char *value) {
 	} else if (strcmp(key, "animation_duration_focus") == 0) {
 		config->animation_duration_focus = atoi(value);
 	} else if (strcmp(key, "animation_curve_move") == 0) {
-		int32_t num =
-			parse_double_array(value, config->animation_curve_move, 4);
+		int num = parse_double_array(value, config->animation_curve_move, 4);
 		if (num != 4) {
 			fprintf(stderr, "Error: Failed to parse animation_curve_move: %s\n",
 					value);
 		}
 	} else if (strcmp(key, "animation_curve_open") == 0) {
-		int32_t num =
-			parse_double_array(value, config->animation_curve_open, 4);
+		int num = parse_double_array(value, config->animation_curve_open, 4);
 		if (num != 4) {
 			fprintf(stderr, "Error: Failed to parse animation_curve_open: %s\n",
 					value);
 		}
 	} else if (strcmp(key, "animation_curve_tag") == 0) {
-		int32_t num = parse_double_array(value, config->animation_curve_tag, 4);
+		int num = parse_double_array(value, config->animation_curve_tag, 4);
 		if (num != 4) {
 			fprintf(stderr, "Error: Failed to parse animation_curve_tag: %s\n",
 					value);
 		}
 	} else if (strcmp(key, "animation_curve_close") == 0) {
-		int32_t num =
-			parse_double_array(value, config->animation_curve_close, 4);
+		int num = parse_double_array(value, config->animation_curve_close, 4);
 		if (num != 4) {
 			fprintf(stderr,
 					"Error: Failed to parse animation_curve_close: %s\n",
 					value);
 		}
 	} else if (strcmp(key, "animation_curve_focus") == 0) {
-		int32_t num =
-			parse_double_array(value, config->animation_curve_focus, 4);
+		int num = parse_double_array(value, config->animation_curve_focus, 4);
 		if (num != 4) {
 			fprintf(stderr,
 					"Error: Failed to parse animation_curve_focus: %s\n",
 					value);
 		}
 	} else if (strcmp(key, "animation_curve_opafadein") == 0) {
-		int32_t num =
+		int num =
 			parse_double_array(value, config->animation_curve_opafadein, 4);
 		if (num != 4) {
 			fprintf(stderr,
@@ -1202,7 +1201,7 @@ void parse_option(Config *config, char *key, char *value) {
 					value);
 		}
 	} else if (strcmp(key, "animation_curve_opafadeout") == 0) {
-		int32_t num =
+		int num =
 			parse_double_array(value, config->animation_curve_opafadeout, 4);
 		if (num != 4) {
 			fprintf(stderr,
@@ -1223,6 +1222,8 @@ 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) {
@@ -1319,12 +1320,12 @@ void parse_option(Config *config, char *key, char *value) {
 			'\0'; // 确保字符串以 null 结尾
 	} else if (strcmp(key, "scroller_proportion_preset") == 0) {
 		// 1. 统计 value 中有多少个逗号，确定需要解析的浮点数个数
-		int32_t count = 0; // 初始化为 0
+		int count = 0; // 初始化为 0
 		for (const char *p = value; *p; p++) {
 			if (*p == ',')
 				count++;
 		}
-		int32_t float_count = count + 1; // 浮点数的数量是逗号数量加 1
+		int float_count = count + 1; // 浮点数的数量是逗号数量加 1
 
 		// 2. 动态分配内存，存储浮点数
 		config->scroller_proportion_preset =
@@ -1338,7 +1339,7 @@ void parse_option(Config *config, char *key, char *value) {
 		char *value_copy =
 			strdup(value); // 复制 value，因为 strtok 会修改原字符串
 		char *token = strtok(value_copy, ",");
-		int32_t i = 0;
+		int i = 0;
 		float value_set;
 
 		while (token != NULL && i < float_count) {
@@ -1378,12 +1379,12 @@ void parse_option(Config *config, char *key, char *value) {
 		free(value_copy);
 	} else if (strcmp(key, "circle_layout") == 0) {
 		// 1. 统计 value 中有多少个逗号，确定需要解析的字符串个数
-		int32_t count = 0; // 初始化为 0
+		int count = 0; // 初始化为 0
 		for (const char *p = value; *p; p++) {
 			if (*p == ',')
 				count++;
 		}
-		int32_t string_count = count + 1; // 字符串的数量是逗号数量加 1
+		int string_count = count + 1; // 字符串的数量是逗号数量加 1
 
 		// 2. 动态分配内存，存储字符串指针
 		config->circle_layout = (char **)malloc(string_count * sizeof(char *));
@@ -1397,7 +1398,7 @@ void parse_option(Config *config, char *key, char *value) {
 		char *value_copy =
 			strdup(value); // 复制 value，因为 strtok 会修改原字符串
 		char *token = strtok(value_copy, ",");
-		int32_t i = 0;
+		int i = 0;
 		char *cleaned_token;
 		while (token != NULL && i < string_count) {
 			// 为每个字符串分配内存并复制内容
@@ -1408,7 +1409,7 @@ void parse_option(Config *config, char *key, char *value) {
 						"Error: Memory allocation failed for string: %s\n",
 						token);
 				// 释放之前分配的内存
-				for (int32_t j = 0; j < i; j++) {
+				for (int j = 0; j < i; j++) {
 					free(config->circle_layout[j]);
 				}
 				free(config->circle_layout);
@@ -1425,7 +1426,7 @@ void parse_option(Config *config, char *key, char *value) {
 		if (i != string_count) {
 			fprintf(stderr, "Error: Invalid circle_layout format: %s\n", value);
 			// 释放之前分配的内存
-			for (int32_t j = 0; j < i; j++) {
+			for (int j = 0; j < i; j++) {
 				free(config->circle_layout[j]);
 			}
 			free(config->circle_layout);
@@ -1531,7 +1532,7 @@ void parse_option(Config *config, char *key, char *value) {
 	} else if (strcmp(key, "borderpx") == 0) {
 		config->borderpx = atoi(value);
 	} else if (strcmp(key, "rootcolor") == 0) {
-		int64_t color = parse_color(value);
+		long int color = parse_color(value);
 		if (color == -1) {
 			fprintf(stderr, "Error: Invalid rootcolor format: %s\n", value);
 		} else {
@@ -1539,28 +1540,28 @@ void parse_option(Config *config, char *key, char *value) {
 		}
 
 	} else if (strcmp(key, "shadowscolor") == 0) {
-		int64_t color = parse_color(value);
+		long int color = parse_color(value);
 		if (color == -1) {
 			fprintf(stderr, "Error: Invalid shadowscolor format: %s\n", value);
 		} else {
 			convert_hex_to_rgba(config->shadowscolor, color);
 		}
 	} else if (strcmp(key, "bordercolor") == 0) {
-		int64_t color = parse_color(value);
+		long int color = parse_color(value);
 		if (color == -1) {
 			fprintf(stderr, "Error: Invalid bordercolor format: %s\n", value);
 		} else {
 			convert_hex_to_rgba(config->bordercolor, color);
 		}
 	} else if (strcmp(key, "focuscolor") == 0) {
-		int64_t color = parse_color(value);
+		long int color = parse_color(value);
 		if (color == -1) {
 			fprintf(stderr, "Error: Invalid focuscolor format: %s\n", value);
 		} else {
 			convert_hex_to_rgba(config->focuscolor, color);
 		}
 	} else if (strcmp(key, "maximizescreencolor") == 0) {
-		int64_t color = parse_color(value);
+		long int color = parse_color(value);
 		if (color == -1) {
 			fprintf(stderr, "Error: Invalid maximizescreencolor format: %s\n",
 					value);
@@ -1568,14 +1569,14 @@ void parse_option(Config *config, char *key, char *value) {
 			convert_hex_to_rgba(config->maximizescreencolor, color);
 		}
 	} else if (strcmp(key, "urgentcolor") == 0) {
-		int64_t color = parse_color(value);
+		long int color = parse_color(value);
 		if (color == -1) {
 			fprintf(stderr, "Error: Invalid urgentcolor format: %s\n", value);
 		} else {
 			convert_hex_to_rgba(config->urgentcolor, color);
 		}
 	} else if (strcmp(key, "scratchpadcolor") == 0) {
-		int64_t color = parse_color(value);
+		long int color = parse_color(value);
 		if (color == -1) {
 			fprintf(stderr, "Error: Invalid scratchpadcolor format: %s\n",
 					value);
@@ -1583,14 +1584,14 @@ void parse_option(Config *config, char *key, char *value) {
 			convert_hex_to_rgba(config->scratchpadcolor, color);
 		}
 	} else if (strcmp(key, "globalcolor") == 0) {
-		int64_t color = parse_color(value);
+		long int color = parse_color(value);
 		if (color == -1) {
 			fprintf(stderr, "Error: Invalid globalcolor format: %s\n", value);
 		} else {
 			convert_hex_to_rgba(config->globalcolor, color);
 		}
 	} else if (strcmp(key, "overlaycolor") == 0) {
-		int64_t color = parse_color(value);
+		long int color = parse_color(value);
 		if (color == -1) {
 			fprintf(stderr, "Error: Invalid overlaycolor format: %s\n", value);
 		} else {
@@ -1708,7 +1709,7 @@ void parse_option(Config *config, char *key, char *value) {
 		ConfigWinRule *rule = &config->window_rules[config->window_rules_count];
 		memset(rule, 0, sizeof(ConfigWinRule));
 
-		// int32_t rule value, relay to a client property
+		// int rule value, relay to a client property
 		rule->isfloating = -1;
 		rule->isfullscreen = -1;
 		rule->isnoborder = -1;
@@ -1883,7 +1884,7 @@ void parse_option(Config *config, char *key, char *value) {
 			raw_height[256], raw_refresh[256];
 
 		// 先读取所有字段为字符串
-		int32_t parsed =
+		int parsed =
 			sscanf(value,
 				   "%255[^,],%255[^,],%255[^,],%255[^,],%255[^,],%255["
 				   "^,],%255[^,],%255[^,],%255[^,],%255[^,],%255s",
@@ -2397,7 +2398,7 @@ void parse_config_file(Config *config, const char *file_path) {
 void free_circle_layout(Config *config) {
 	if (config->circle_layout) {
 		// 释放每个字符串
-		for (int32_t i = 0; i < config->circle_layout_count; i++) {
+		for (int i = 0; i < config->circle_layout_count; i++) {
 			if (config->circle_layout[i]) {
 				free(config->circle_layout[i]);	 // 释放单个字符串
 				config->circle_layout[i] = NULL; // 防止野指针
@@ -2443,11 +2444,11 @@ void free_baked_points(void) {
 
 void free_config(void) {
 	// 释放内存
-	int32_t i;
+	int i;
 
 	// 释放 window_rules
 	if (config.window_rules) {
-		for (int32_t i = 0; i < config.window_rules_count; i++) {
+		for (int i = 0; i < config.window_rules_count; i++) {
 			ConfigWinRule *rule = &config.window_rules[i];
 			if (rule->id)
 				free((void *)rule->id);
@@ -2476,7 +2477,7 @@ void free_config(void) {
 
 	// 释放 monitor_rules
 	if (config.monitor_rules) {
-		for (int32_t i = 0; i < config.monitor_rules_count; i++) {
+		for (int i = 0; i < config.monitor_rules_count; i++) {
 			ConfigMonitorRule *rule = &config.monitor_rules[i];
 			free((void *)rule->name);
 			free((void *)rule->layout);
@@ -2593,7 +2594,7 @@ void free_config(void) {
 
 	// 释放 tag_rules
 	if (config.tag_rules) {
-		for (int32_t i = 0; i < config.tag_rules_count; i++) {
+		for (int i = 0; i < config.tag_rules_count; i++) {
 			if (config.tag_rules[i].layout_name)
 				free((void *)config.tag_rules[i].layout_name);
 			if (config.tag_rules[i].monitor_name)
@@ -2606,7 +2607,7 @@ void free_config(void) {
 
 	// 释放 layer_rules
 	if (config.layer_rules) {
-		for (int32_t i = 0; i < config.layer_rules_count; i++) {
+		for (int i = 0; i < config.layer_rules_count; i++) {
 			if (config.layer_rules[i].layer_name)
 				free((void *)config.layer_rules[i].layer_name);
 			if (config.layer_rules[i].animation_type_open)
@@ -2621,7 +2622,7 @@ void free_config(void) {
 
 	// 释放 env
 	if (config.env) {
-		for (int32_t i = 0; i < config.env_count; i++) {
+		for (int i = 0; i < config.env_count; i++) {
 			if (config.env[i]->type) {
 				free((void *)config.env[i]->type);
 			}
@@ -2725,6 +2726,8 @@ 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);
@@ -2919,6 +2922,7 @@ 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;
@@ -3151,7 +3155,7 @@ void reset_blur_params(void) {
 void reapply_monitor_rules(void) {
 	ConfigMonitorRule *mr;
 	Monitor *m = NULL;
-	int32_t ji, jk;
+	int ji, jk;
 	struct wlr_output_state state;
 	struct wlr_output_mode *internal_mode = NULL;
 	wlr_output_state_init(&state);
@@ -3189,7 +3193,7 @@ void reapply_monitor_rules(void) {
 					} else if (wlr_output_is_headless(m->wlr_output)) {
 						wlr_output_state_set_custom_mode(
 							&state, mr->width, mr->height,
-							(int32_t)roundf(mr->refresh * 1000));
+							(int)roundf(mr->refresh * 1000));
 					}
 				}
 
@@ -3286,7 +3290,7 @@ void reapply_pointer(void) {
 
 void reapply_master(void) {
 
-	int32_t i;
+	int i;
 	Monitor *m = NULL;
 	for (i = 0; i <= LENGTH(tags); i++) {
 		wl_list_for_each(m, &mons, link) {
@@ -3304,7 +3308,7 @@ void reapply_master(void) {
 }
 
 void parse_tagrule(Monitor *m) {
-	int32_t i, jk;
+	int i, jk;
 	ConfigTagRule tr;
 
 	for (i = 0; i < config.tag_rules_count; i++) {
@@ -3354,10 +3358,10 @@ void reset_option(void) {
 	reapply_tagrule();
 	reapply_monitor_rules();
 
-	arrange(selmon, false, false);
+	arrange(selmon, false);
 }
 
-int32_t reload_config(const Arg *arg) {
+int reload_config(const Arg *arg) {
 	parse_config();
 	reset_option();
 	printstatus();

src/config/preset.h

@@ -8,17 +8,17 @@
 	 ((hex >> 8) & 0xFF) / 255.0f, (hex & 0xFF) / 255.0f}
 
 /* animaion */
-char *animation_type_open = "slide";		  // 是否启用动画 //slide,zoom
-char *animation_type_close = "slide";		  // 是否启用动画 //slide,zoom
-char *layer_animation_type_open = "slide";	  // 是否启用layer动画 //slide,zoom
-char *layer_animation_type_close = "slide";	  // 是否启用layer动画 //slide,zoom
-int32_t animations = 1;						  // 是否启用动画
-int32_t layer_animations = 0;				  // 是否启用layer动画
-int32_t tag_animation_direction = HORIZONTAL; // 标签动画方向
-int32_t animation_fade_in = 1;				  // Enable animation fade in
-int32_t animation_fade_out = 1;				  // Enable animation fade out
-float zoom_initial_ratio = 0.3;				  // 动画起始窗口比例
-float zoom_end_ratio = 0.8;					  // 动画结束窗口比例
+char *animation_type_open = "slide";		// 是否启用动画 //slide,zoom
+char *animation_type_close = "slide";		// 是否启用动画 //slide,zoom
+char *layer_animation_type_open = "slide";	// 是否启用layer动画 //slide,zoom
+char *layer_animation_type_close = "slide"; // 是否启用layer动画 //slide,zoom
+int animations = 1;							// 是否启用动画
+int layer_animations = 0;					// 是否启用layer动画
+int tag_animation_direction = HORIZONTAL;	// 标签动画方向
+int animation_fade_in = 1;					// Enable animation fade in
+int animation_fade_out = 1;					// Enable animation fade out
+float zoom_initial_ratio = 0.3;				// 动画起始窗口比例
+float zoom_end_ratio = 0.8;					// 动画结束窗口比例
 float fadein_begin_opacity = 0.5;  // Begin opac window ratio for animations
 float fadeout_begin_opacity = 0.5; // Begin opac window ratio for animations
 uint32_t animation_duration_move = 500;	 // Animation move speed
@@ -40,47 +40,48 @@ uint32_t focus_on_activate = 1;			// 收到窗口激活请求是否自动跳转
 uint32_t new_is_master = 1;				// 新窗口是否插在头部
 double default_mfact = 0.55f;			// master 窗口比例
 uint32_t default_nmaster = 1;			// 默认master数量
-int32_t center_master_overspread = 0;	// 中心master时是否铺满
-int32_t center_when_single_stack = 1;	// 单个stack时是否居中
+int center_master_overspread = 0;		// 中心master时是否铺满
+int center_when_single_stack = 1;		// 单个stack时是否居中
 /* logging */
-int32_t log_level = WLR_ERROR;
+int log_level = WLR_ERROR;
 uint32_t numlockon = 0; // 是否打开右边小键盘
 uint32_t capslock = 0;	// 是否启用快捷键
 
 uint32_t ov_tab_mode = 0;	 // alt tab切换模式
 uint32_t hotarea_size = 10;	 // 热区大小,10x10
 uint32_t enable_hotarea = 1; // 是否启用鼠标热区
-int32_t smartgaps = 0; /* 1 means no outer gap when there is only one window */
-int32_t sloppyfocus = 1; /* focus follows mouse */
-uint32_t gappih = 5;	 /* horiz inner gap between windows */
-uint32_t gappiv = 5;	 /* vert inner gap between windows */
-uint32_t gappoh = 10;	 /* horiz outer gap between windows and screen edge */
-uint32_t gappov = 10;	 /* vert outer gap between windows and screen edge */
+int smartgaps = 0;	  /* 1 means no outer gap when there is only one window */
+int sloppyfocus = 1;  /* focus follows mouse */
+uint32_t gappih = 5;  /* horiz inner gap between windows */
+uint32_t gappiv = 5;  /* vert inner gap between windows */
+uint32_t gappoh = 10; /* horiz outer gap between windows and screen edge */
+uint32_t gappov = 10; /* vert outer gap between windows and screen edge */
 float scratchpad_width_ratio = 0.8;
 float scratchpad_height_ratio = 0.9;
 
-int32_t scroller_structs = 20;
+int scroller_structs = 20;
 float scroller_default_proportion = 0.9;
 float scroller_default_proportion_single = 1.0;
-int32_t scroller_ignore_proportion_single = 0;
-int32_t scroller_focus_center = 0;
-int32_t scroller_prefer_center = 0;
-int32_t focus_cross_monitor = 0;
-int32_t focus_cross_tag = 0;
-int32_t exchange_cross_monitor = 0;
-int32_t scratchpad_cross_monitor = 0;
-int32_t view_current_to_back = 0;
-int32_t no_border_when_single = 0;
-int32_t no_radius_when_single = 0;
-int32_t snap_distance = 30;
-int32_t enable_floating_snap = 0;
-int32_t drag_tile_to_tile = 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;
+int scratchpad_cross_monitor = 0;
+int view_current_to_back = 1;
+int no_border_when_single = 0;
+int no_radius_when_single = 0;
+int snap_distance = 30;
+int enable_floating_snap = 0;
+int drag_tile_to_tile = 0;
 uint32_t cursor_size = 24;
 uint32_t cursor_hide_timeout = 0;
 
 uint32_t swipe_min_threshold = 1;
 
-int32_t idleinhibit_ignore_visible =
+int idleinhibit_ignore_visible =
 	0; /* 1 means idle inhibitors will disable idle tracking even if it's
 		  surface isn't visible  */
 uint32_t borderpx = 4; /* border pixel of windows */
@@ -94,21 +95,21 @@ float globalcolor[] = COLOR(0xb153a7ff);
 float overlaycolor[] = COLOR(0x14a57cff);
 // char *cursor_theme = "Bibata-Modern-Ice";
 
-int32_t overviewgappi = 5;	/* overview时 窗口与边缘 缝隙大小 */
-int32_t overviewgappo = 30; /* overview时 窗口与窗口 缝隙大小 */
+int overviewgappi = 5;	/* overview时 窗口与边缘 缝隙大小 */
+int overviewgappo = 30; /* overview时 窗口与窗口 缝隙大小 */
 
 /* To conform the xdg-protocol, set the alpha to zero to restore the old
  * behavior */
 float fullscreen_bg[] = {0.1, 0.1, 0.1, 1.0};
 
-int32_t warpcursor = 1;			  /* Warp cursor to focused client */
-int32_t xwayland_persistence = 1; /* xwayland persistence */
-int32_t syncobj_enable = 0;
-int32_t adaptive_sync = 0;
-int32_t allow_lock_transparent = 0;
+int warpcursor = 1;			  /* Warp cursor to focused client */
+int xwayland_persistence = 1; /* xwayland persistence */
+int syncobj_enable = 0;
+int adaptive_sync = 0;
+int allow_lock_transparent = 0;
 double drag_refresh_interval = 16.0;
-int32_t allow_tearing = TEARING_DISABLED;
-int32_t allow_shortcuts_inhibit = SHORTCUTS_INHIBIT_ENABLE;
+int allow_tearing = TEARING_DISABLED;
+int allow_shortcuts_inhibit = SHORTCUTS_INHIBIT_ENABLE;
 
 /* keyboard */
 
@@ -145,21 +146,21 @@ struct xkb_rule_names xkb_rules = {
 	.options = xkb_rules_options,
 };
 
-int32_t repeat_rate = 25;
-int32_t repeat_delay = 600;
+int repeat_rate = 25;
+int repeat_delay = 600;
 
 /* Trackpad */
-int32_t disable_trackpad = 0;
-int32_t tap_to_click = 1;
-int32_t tap_and_drag = 1;
-int32_t drag_lock = 1;
-int32_t mouse_natural_scrolling = 0;
-int32_t trackpad_natural_scrolling = 0;
-int32_t disable_while_typing = 1;
-int32_t left_handed = 0;
-int32_t middle_button_emulation = 0;
-int32_t single_scratchpad = 1;
-int32_t edge_scroller_pointer_focus = 1;
+int disable_trackpad = 0;
+int tap_to_click = 1;
+int tap_and_drag = 1;
+int drag_lock = 1;
+int mouse_natural_scrolling = 0;
+int trackpad_natural_scrolling = 0;
+int disable_while_typing = 1;
+int left_handed = 0;
+int middle_button_emulation = 0;
+int single_scratchpad = 1;
+int edge_scroller_pointer_focus = 1;
 
 /* You can choose between:
 LIBINPUT_CONFIG_SCROLL_NO_SCROLL
@@ -210,27 +211,27 @@ static const char *tags[] = {
 float focused_opacity = 1.0;
 float unfocused_opacity = 1.0;
 
-int32_t border_radius = 0;
-int32_t border_radius_location_default = CORNER_LOCATION_ALL;
-int32_t blur = 0;
-int32_t blur_layer = 0;
-int32_t blur_optimized = 1;
+int border_radius = 0;
+int border_radius_location_default = CORNER_LOCATION_ALL;
+int blur = 0;
+int blur_layer = 0;
+int blur_optimized = 1;
 
 struct blur_data blur_params;
 
-int32_t blur_params_num_passes = 1;
-int32_t blur_params_radius = 5;
+int blur_params_num_passes = 1;
+int blur_params_radius = 5;
 float blur_params_noise = 0.02;
 float blur_params_brightness = 0.9;
 float blur_params_contrast = 0.9;
 float blur_params_saturation = 1.2;
 
-int32_t shadows = 0;
-int32_t shadow_only_floating = 1;
-int32_t layer_shadows = 0;
+int shadows = 0;
+int shadow_only_floating = 1;
+int layer_shadows = 0;
 uint32_t shadows_size = 10;
 double shadows_blur = 15;
-int32_t shadows_position_x = 0;
-int32_t shadows_position_y = 0;
+int shadows_position_x = 0;
+int shadows_position_y = 0;
 float shadowscolor[] = COLOR(0x000000ff);
 ;

src/dispatch/bind_declare.h

@@ -1,71 +1,73 @@
-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 toggleoverview(const Arg *arg);
-int32_t set_proportion(const Arg *arg);
-int32_t switch_proportion_preset(const Arg *arg);
-int32_t zoom(const Arg *arg);
-int32_t tagsilent(const Arg *arg);
-int32_t tagtoleft(const Arg *arg);
-int32_t tagtoright(const Arg *arg);
-int32_t tagcrossmon(const Arg *arg);
-int32_t viewtoleft(const Arg *arg);
-int32_t viewtoright(const Arg *arg);
-int32_t viewtoleft_have_client(const Arg *arg);
-int32_t viewtoright_have_client(const Arg *arg);
-int32_t viewcrossmon(const Arg *arg);
-int32_t togglefloating(const Arg *arg);
-int32_t togglefullscreen(const Arg *arg);
-int32_t togglemaximizescreen(const Arg *arg);
-int32_t togglegaps(const Arg *arg);
-int32_t tagmon(const Arg *arg);
-int32_t spawn(const Arg *arg);
-int32_t spawn_shell(const Arg *arg);
-int32_t spawn_on_empty(const Arg *arg);
-int32_t setkeymode(const Arg *arg);
-int32_t switch_keyboard_layout(const Arg *arg);
-int32_t setlayout(const Arg *arg);
-int32_t switch_layout(const Arg *arg);
-int32_t setmfact(const Arg *arg);
-int32_t quit(const Arg *arg);
-int32_t moveresize(const Arg *arg);
-int32_t exchange_client(const Arg *arg);
-int32_t exchange_stack_client(const Arg *arg);
-int32_t killclient(const Arg *arg);
-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 chvt(const Arg *arg);
-int32_t reload_config(const Arg *arg);
-int32_t smartmovewin(const Arg *arg);
-int32_t smartresizewin(const Arg *arg);
-int32_t centerwin(const Arg *arg);
-int32_t bind_to_view(const Arg *arg);
-int32_t toggletag(const Arg *arg);
-int32_t toggleview(const Arg *arg);
-int32_t tag(const Arg *arg);
-int32_t comboview(const Arg *arg);
-int32_t incgaps(const Arg *arg);
-int32_t incigaps(const Arg *arg);
-int32_t incihgaps(const Arg *arg);
-int32_t incivgaps(const Arg *arg);
-int32_t incogaps(const Arg *arg);
-int32_t incohgaps(const Arg *arg);
-int32_t incovgaps(const Arg *arg);
-int32_t defaultgaps(const Arg *arg);
-int32_t togglefakefullscreen(const Arg *arg);
-int32_t toggleoverlay(const Arg *arg);
-int32_t movewin(const Arg *arg);
-int32_t resizewin(const Arg *arg);
-int32_t toggle_named_scratchpad(const Arg *arg);
-int32_t toggle_render_border(const Arg *arg);
-int32_t create_virtual_output(const Arg *arg);
-int32_t destroy_all_virtual_output(const Arg *arg);
-int32_t focuslast(const Arg *arg);
-int32_t toggle_trackpad_enable(const Arg *arg);
-int32_t setoption(const Arg *arg);
-int32_t disable_monitor(const Arg *arg);
-int32_t enable_monitor(const Arg *arg);
-int32_t toggle_monitor(const Arg *arg);
+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);
+int zoom(const Arg *arg);
+int tagsilent(const Arg *arg);
+int tagtoleft(const Arg *arg);
+int tagtoright(const Arg *arg);
+int tagcrossmon(const Arg *arg);
+int viewtoleft(const Arg *arg);
+int viewtoright(const Arg *arg);
+int viewtoleft_have_client(const Arg *arg);
+int viewtoright_have_client(const Arg *arg);
+int viewcrossmon(const Arg *arg);
+int togglefloating(const Arg *arg);
+int togglefullscreen(const Arg *arg);
+int togglemaximizescreen(const Arg *arg);
+int togglegaps(const Arg *arg);
+int tagmon(const Arg *arg);
+int spawn(const Arg *arg);
+int spawn_shell(const Arg *arg);
+int spawn_on_empty(const Arg *arg);
+int setkeymode(const Arg *arg);
+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);
+int exchange_stack_client(const Arg *arg);
+int killclient(const Arg *arg);
+int toggleglobal(const Arg *arg);
+int incnmaster(const Arg *arg);
+int focusmon(const Arg *arg);
+int focusstack(const Arg *arg);
+int chvt(const Arg *arg);
+int reload_config(const Arg *arg);
+int smartmovewin(const Arg *arg);
+int smartresizewin(const Arg *arg);
+int centerwin(const Arg *arg);
+int bind_to_view(const Arg *arg);
+int toggletag(const Arg *arg);
+int toggleview(const Arg *arg);
+int tag(const Arg *arg);
+int comboview(const Arg *arg);
+int incgaps(const Arg *arg);
+int incigaps(const Arg *arg);
+int incihgaps(const Arg *arg);
+int incivgaps(const Arg *arg);
+int incogaps(const Arg *arg);
+int incohgaps(const Arg *arg);
+int incovgaps(const Arg *arg);
+int defaultgaps(const Arg *arg);
+int togglefakefullscreen(const Arg *arg);
+int toggleoverlay(const Arg *arg);
+int movewin(const Arg *arg);
+int resizewin(const Arg *arg);
+int toggle_named_scratchpad(const Arg *arg);
+int toggle_render_border(const Arg *arg);
+int create_virtual_output(const Arg *arg);
+int destroy_all_virtual_output(const Arg *arg);
+int focuslast(const Arg *arg);
+int toggle_trackpad_enable(const Arg *arg);
+int setoption(const Arg *arg);
+int disable_monitor(const Arg *arg);
+int enable_monitor(const Arg *arg);
+int toggle_monitor(const Arg *arg);

src/dispatch/bind_define.h

@@ -1,4 +1,4 @@
-int32_t bind_to_view(const Arg *arg) {
+int bind_to_view(const Arg *arg) {
 
 	uint32_t target = arg->ui;
 
@@ -15,14 +15,14 @@ int32_t bind_to_view(const Arg *arg) {
 		return 0;
 	}
 
-	if ((int32_t)target == INT_MIN && selmon->pertag->curtag == 0) {
+	if ((int)target == INT_MIN && selmon->pertag->curtag == 0) {
 		if (view_current_to_back && selmon->pertag->prevtag)
 			target = 1 << (selmon->pertag->prevtag - 1);
 		else
 			target = 0;
 	}
 
-	if (target == 0 || (int32_t)target == INT_MIN) {
+	if (target == 0 || (int)target == INT_MIN) {
 		view(&(Arg){.ui = ~0 & TAGMASK, .i = arg->i}, false);
 	} else {
 		view(&(Arg){.ui = target, .i = arg->i}, true);
@@ -30,33 +30,12 @@ int32_t bind_to_view(const Arg *arg) {
 	return 0;
 }
 
-int32_t chvt(const Arg *arg) {
-	struct timespec ts;
-
-	// prevent the animation to rquest the new frame
-	allow_frame_scheduling = false;
-
-	// backup current tag and monitor name
-	if (selmon) {
-		chvt_backup_tag = selmon->pertag->curtag;
-		strncpy(chvt_backup_selmon, selmon->wlr_output->name,
-				sizeof(chvt_backup_selmon) - 1);
-	}
-
+int chvt(const Arg *arg) {
 	wlr_session_change_vt(session, arg->ui);
-
-	// wait for DRM device to stabilize and ensure the session state is inactive
-	ts.tv_sec = 0;
-	ts.tv_nsec = 100000000; // 200ms
-	nanosleep(&ts, NULL);
-
-	// allow frame scheduling,
-	// because session state is now inactive, rendermon will not enter
-	allow_frame_scheduling = true;
-	return 1;
+	return 0;
 }
 
-int32_t create_virtual_output(const Arg *arg) {
+int create_virtual_output(const Arg *arg) {
 
 	if (!wlr_backend_is_multi(backend)) {
 		wlr_log(WLR_ERROR, "Expected a multi backend");
@@ -75,7 +54,7 @@ int32_t create_virtual_output(const Arg *arg) {
 	return 0;
 }
 
-int32_t destroy_all_virtual_output(const Arg *arg) {
+int destroy_all_virtual_output(const Arg *arg) {
 
 	if (!wlr_backend_is_multi(backend)) {
 		wlr_log(WLR_ERROR, "Expected a multi backend");
@@ -94,12 +73,12 @@ int32_t destroy_all_virtual_output(const Arg *arg) {
 	return 0;
 }
 
-int32_t defaultgaps(const Arg *arg) {
+int defaultgaps(const Arg *arg) {
 	setgaps(gappoh, gappov, gappih, gappiv);
 	return 0;
 }
 
-int32_t exchange_client(const Arg *arg) {
+int exchange_client(const Arg *arg) {
 	Client *c = selmon->sel;
 	if (!c || c->isfloating)
 		return 0;
@@ -111,7 +90,7 @@ int32_t exchange_client(const Arg *arg) {
 	return 0;
 }
 
-int32_t exchange_stack_client(const Arg *arg) {
+int exchange_stack_client(const Arg *arg) {
 	Client *c = selmon->sel;
 	Client *tc = NULL;
 	if (!c || c->isfloating || c->isfullscreen || c->ismaximizescreen)
@@ -126,7 +105,7 @@ int32_t exchange_stack_client(const Arg *arg) {
 	return 0;
 }
 
-int32_t focusdir(const Arg *arg) {
+int focusdir(const Arg *arg) {
 	Client *c = NULL;
 	c = direction_select(arg);
 	if (c) {
@@ -146,7 +125,30 @@ int32_t focusdir(const Arg *arg) {
 	return 0;
 }
 
-int32_t focuslast(const Arg *arg) {
+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;
 	Client *tc = NULL;
@@ -178,7 +180,7 @@ int32_t focuslast(const Arg *arg) {
 	if (!tc || !client_surface(tc)->mapped)
 		return 0;
 
-	if ((int32_t)tc->tags > 0) {
+	if ((int)tc->tags > 0) {
 		focusclient(tc, 1);
 		target = get_tags_first_tag(tc->tags);
 		view(&(Arg){.ui = target}, true);
@@ -186,12 +188,12 @@ int32_t focuslast(const Arg *arg) {
 	return 0;
 }
 
-int32_t toggle_trackpad_enable(const Arg *arg) {
+int toggle_trackpad_enable(const Arg *arg) {
 	disable_trackpad = !disable_trackpad;
 	return 0;
 }
 
-int32_t focusmon(const Arg *arg) {
+int focusmon(const Arg *arg) {
 	Client *c = NULL;
 	Monitor *m = NULL;
 	Monitor *tm = NULL;
@@ -231,7 +233,7 @@ int32_t focusmon(const Arg *arg) {
 	return 0;
 }
 
-int32_t focusstack(const Arg *arg) {
+int focusstack(const Arg *arg) {
 	/* Focus the next or previous client (in tiling order) on selmon */
 	Client *sel = focustop(selmon);
 	Client *tc = NULL;
@@ -254,58 +256,58 @@ int32_t focusstack(const Arg *arg) {
 	return 0;
 }
 
-int32_t incnmaster(const Arg *arg) {
+int incnmaster(const Arg *arg) {
 	if (!arg || !selmon)
 		return 0;
 	selmon->pertag->nmasters[selmon->pertag->curtag] =
 		MAX(selmon->pertag->nmasters[selmon->pertag->curtag] + arg->i, 0);
-	arrange(selmon, false, false);
+	arrange(selmon, false);
 	return 0;
 }
 
-int32_t incgaps(const Arg *arg) {
+int incgaps(const Arg *arg) {
 	setgaps(selmon->gappoh + arg->i, selmon->gappov + arg->i,
 			selmon->gappih + arg->i, selmon->gappiv + arg->i);
 	return 0;
 }
 
-int32_t incigaps(const Arg *arg) {
+int incigaps(const Arg *arg) {
 	setgaps(selmon->gappoh, selmon->gappov, selmon->gappih + arg->i,
 			selmon->gappiv + arg->i);
 	return 0;
 }
 
-int32_t incogaps(const Arg *arg) {
+int incogaps(const Arg *arg) {
 	setgaps(selmon->gappoh + arg->i, selmon->gappov + arg->i, selmon->gappih,
 			selmon->gappiv);
 	return 0;
 }
 
-int32_t incihgaps(const Arg *arg) {
+int incihgaps(const Arg *arg) {
 	setgaps(selmon->gappoh, selmon->gappov, selmon->gappih + arg->i,
 			selmon->gappiv);
 	return 0;
 }
 
-int32_t incivgaps(const Arg *arg) {
+int incivgaps(const Arg *arg) {
 	setgaps(selmon->gappoh, selmon->gappov, selmon->gappih,
 			selmon->gappiv + arg->i);
 	return 0;
 }
 
-int32_t incohgaps(const Arg *arg) {
+int incohgaps(const Arg *arg) {
 	setgaps(selmon->gappoh + arg->i, selmon->gappov, selmon->gappih,
 			selmon->gappiv);
 	return 0;
 }
 
-int32_t incovgaps(const Arg *arg) {
+int incovgaps(const Arg *arg) {
 	setgaps(selmon->gappoh, selmon->gappov + arg->i, selmon->gappih,
 			selmon->gappiv);
 	return 0;
 }
 
-int32_t setmfact(const Arg *arg) {
+int setmfact(const Arg *arg) {
 	float f;
 	Client *c = NULL;
 
@@ -323,11 +325,33 @@ int32_t setmfact(const Arg *arg) {
 			c->master_mfact_per = f;
 		}
 	}
-	arrange(selmon, false, false);
+	arrange(selmon, false);
 	return 0;
 }
 
-int32_t killclient(const Arg *arg) {
+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;
 	if (c) {
@@ -336,7 +360,7 @@ int32_t killclient(const Arg *arg) {
 	return 0;
 }
 
-int32_t moveresize(const Arg *arg) {
+int moveresize(const Arg *arg) {
 	if (cursor_mode != CurNormal && cursor_mode != CurPressed)
 		return 0;
 	xytonode(cursor->x, cursor->y, NULL, &grabc, NULL, NULL, NULL);
@@ -374,7 +398,7 @@ int32_t moveresize(const Arg *arg) {
 	return 0;
 }
 
-int32_t movewin(const Arg *arg) {
+int movewin(const Arg *arg) {
 	Client *c = NULL;
 	c = selmon->sel;
 	if (!c || c->isfullscreen)
@@ -412,15 +436,15 @@ int32_t movewin(const Arg *arg) {
 	return 0;
 }
 
-int32_t quit(const Arg *arg) {
+int quit(const Arg *arg) {
 	wl_display_terminate(dpy);
 	return 0;
 }
 
-int32_t resizewin(const Arg *arg) {
+int resizewin(const Arg *arg) {
 	Client *c = NULL;
 	c = selmon->sel;
-	int32_t offsetx = 0, offsety = 0;
+	int offsetx = 0, offsety = 0;
 
 	if (!c || c->isfullscreen || c->ismaximizescreen)
 		return 0;
@@ -483,7 +507,7 @@ int32_t resizewin(const Arg *arg) {
 	return 0;
 }
 
-int32_t restore_minimized(const Arg *arg) {
+int restore_minimized(const Arg *arg) {
 	Client *c = NULL;
 
 	if (selmon && selmon->isoverview)
@@ -506,7 +530,7 @@ int32_t restore_minimized(const Arg *arg) {
 			c->isnamedscratchpad = 0;
 			show_hide_client(c);
 			setborder_color(c);
-			arrange(c->mon, false, false);
+			arrange(c->mon, false);
 			focusclient(c, 0);
 			warp_cursor(c);
 			return 0;
@@ -515,14 +539,14 @@ int32_t restore_minimized(const Arg *arg) {
 	return 0;
 }
 
-int32_t setlayout(const Arg *arg) {
-	int32_t jk;
+int setlayout(const Arg *arg) {
+	int jk;
 
 	for (jk = 0; jk < LENGTH(layouts); jk++) {
 		if (strcmp(layouts[jk].name, arg->v) == 0) {
 			selmon->pertag->ltidxs[selmon->pertag->curtag] = &layouts[jk];
 			clear_fullscreen_and_maximized_state(selmon);
-			arrange(selmon, false, false);
+			arrange(selmon, false);
 			printstatus();
 			return 0;
 		}
@@ -530,7 +554,7 @@ int32_t setlayout(const Arg *arg) {
 	return 0;
 }
 
-int32_t setkeymode(const Arg *arg) {
+int setkeymode(const Arg *arg) {
 	snprintf(keymode.mode, sizeof(keymode.mode), "%.27s", arg->v);
 	if (strcmp(keymode.mode, "default") == 0) {
 		keymode.isdefault = true;
@@ -541,7 +565,7 @@ int32_t setkeymode(const Arg *arg) {
 	return 1;
 }
 
-int32_t set_proportion(const Arg *arg) {
+int set_proportion(const Arg *arg) {
 
 	if (selmon->isoverview || !is_scroller_layout(selmon))
 		return 0;
@@ -556,15 +580,15 @@ int32_t set_proportion(const Arg *arg) {
 		selmon->sel->scroller_proportion = arg->f;
 		selmon->sel->geom.width = max_client_width * arg->f;
 		// resize(selmon->sel, selmon->sel->geom, 0);
-		arrange(selmon, false, false);
+		arrange(selmon, false);
 	}
 	return 0;
 }
 
-int32_t smartmovewin(const Arg *arg) {
+int smartmovewin(const Arg *arg) {
 	Client *c = NULL, *tc = NULL;
-	int32_t nx, ny;
-	int32_t buttom, top, left, right, tar;
+	int nx, ny;
+	int buttom, top, left, right, tar;
 	c = selmon->sel;
 	if (!c || c->isfullscreen)
 		return 0;
@@ -662,10 +686,10 @@ int32_t smartmovewin(const Arg *arg) {
 	return 0;
 }
 
-int32_t smartresizewin(const Arg *arg) {
+int smartresizewin(const Arg *arg) {
 	Client *c = NULL, *tc = NULL;
-	int32_t nw, nh;
-	int32_t buttom, top, left, right, tar;
+	int nw, nh;
+	int buttom, top, left, right, tar;
 	c = selmon->sel;
 	if (!c || c->isfullscreen)
 		return 0;
@@ -732,7 +756,7 @@ int32_t smartresizewin(const Arg *arg) {
 	return 0;
 }
 
-int32_t centerwin(const Arg *arg) {
+int centerwin(const Arg *arg) {
 	Client *c = NULL;
 	c = selmon->sel;
 
@@ -740,7 +764,7 @@ int32_t centerwin(const Arg *arg) {
 		return 0;
 
 	if (c->isfloating) {
-		c->float_geom = setclient_coordinate_center(c, c->mon, c->geom, 0, 0);
+		c->float_geom = setclient_coordinate_center(c, c->geom, 0, 0);
 		c->iscustomsize = 1;
 		resize(c, c->float_geom, 1);
 		return 0;
@@ -755,11 +779,11 @@ int32_t centerwin(const Arg *arg) {
 		c->geom.y = selmon->w.y + (selmon->w.height - c->geom.height) / 2;
 	}
 
-	arrange(selmon, false, false);
+	arrange(selmon, false);
 	return 0;
 }
 
-int32_t spawn_shell(const Arg *arg) {
+int spawn_shell(const Arg *arg) {
 	if (!arg->v)
 		return 0;
 
@@ -786,7 +810,7 @@ int32_t spawn_shell(const Arg *arg) {
 	return 0;
 }
 
-int32_t spawn(const Arg *arg) {
+int spawn(const Arg *arg) {
 
 	if (!arg->v)
 		return 0;
@@ -802,7 +826,7 @@ int32_t spawn(const Arg *arg) {
 
 		// 2. 解析参数
 		char *argv[64];
-		int32_t argc = 0;
+		int argc = 0;
 		char *token = strtok((char *)arg->v, " ");
 		while (token != NULL && argc < 63) {
 			wordexp_t p;
@@ -826,7 +850,7 @@ int32_t spawn(const Arg *arg) {
 	return 0;
 }
 
-int32_t spawn_on_empty(const Arg *arg) {
+int spawn_on_empty(const Arg *arg) {
 	bool is_empty = true;
 	Client *c = NULL;
 
@@ -846,7 +870,7 @@ int32_t spawn_on_empty(const Arg *arg) {
 	return 0;
 }
 
-int32_t switch_keyboard_layout(const Arg *arg) {
+int switch_keyboard_layout(const Arg *arg) {
 	if (!kb_group || !kb_group->wlr_group || !seat) {
 		wlr_log(WLR_ERROR, "Invalid keyboard group or seat");
 		return 0;
@@ -861,7 +885,7 @@ int32_t switch_keyboard_layout(const Arg *arg) {
 	// 1. 获取当前布局和计算下一个布局
 	xkb_layout_index_t current = xkb_state_serialize_layout(
 		keyboard->xkb_state, XKB_STATE_LAYOUT_EFFECTIVE);
-	const int32_t num_layouts = xkb_keymap_num_layouts(keyboard->keymap);
+	const int num_layouts = xkb_keymap_num_layouts(keyboard->keymap);
 	if (num_layouts < 2) {
 		wlr_log(WLR_INFO, "Only one layout available");
 		return 0;
@@ -902,9 +926,9 @@ int32_t switch_keyboard_layout(const Arg *arg) {
 	return 0;
 }
 
-int32_t switch_layout(const Arg *arg) {
+int switch_layout(const Arg *arg) {
 
-	int32_t jk, ji;
+	int jk, ji;
 	char *target_layout_name = NULL;
 	uint32_t len;
 
@@ -938,7 +962,7 @@ int32_t switch_layout(const Arg *arg) {
 			}
 		}
 		clear_fullscreen_and_maximized_state(selmon);
-		arrange(selmon, false, false);
+		arrange(selmon, false);
 		printstatus();
 		return 0;
 	}
@@ -949,7 +973,7 @@ int32_t switch_layout(const Arg *arg) {
 			selmon->pertag->ltidxs[selmon->pertag->curtag] =
 				jk == LENGTH(layouts) - 1 ? &layouts[0] : &layouts[jk + 1];
 			clear_fullscreen_and_maximized_state(selmon);
-			arrange(selmon, false, false);
+			arrange(selmon, false);
 			printstatus();
 			return 0;
 		}
@@ -957,7 +981,7 @@ int32_t switch_layout(const Arg *arg) {
 	return 0;
 }
 
-int32_t switch_proportion_preset(const Arg *arg) {
+int switch_proportion_preset(const Arg *arg) {
 	float target_proportion = 0;
 
 	if (config.scroller_proportion_preset_count == 0) {
@@ -973,7 +997,7 @@ int32_t switch_proportion_preset(const Arg *arg) {
 
 	if (selmon->sel) {
 
-		for (int32_t i = 0; i < config.scroller_proportion_preset_count; i++) {
+		for (int i = 0; i < config.scroller_proportion_preset_count; i++) {
 			if (config.scroller_proportion_preset[i] ==
 				selmon->sel->scroller_proportion) {
 				if (i == config.scroller_proportion_preset_count - 1) {
@@ -996,18 +1020,18 @@ int32_t switch_proportion_preset(const Arg *arg) {
 		selmon->sel->scroller_proportion = target_proportion;
 		selmon->sel->geom.width = max_client_width * target_proportion;
 		// resize(selmon->sel, selmon->sel->geom, 0);
-		arrange(selmon, false, false);
+		arrange(selmon, false);
 	}
 	return 0;
 }
 
-int32_t tag(const Arg *arg) {
+int tag(const Arg *arg) {
 	Client *target_client = selmon->sel;
 	tag_client(arg, target_client);
 	return 0;
 }
 
-int32_t tagmon(const Arg *arg) {
+int tagmon(const Arg *arg) {
 	Monitor *m = NULL, *cm = NULL;
 	Client *c = focustop(selmon);
 
@@ -1051,11 +1075,11 @@ int32_t tagmon(const Arg *arg) {
 	reset_foreign_tolevel(c);
 
 	c->float_geom.width =
-		(int32_t)(c->float_geom.width * c->mon->w.width / selmon->w.width);
+		(int)(c->float_geom.width * c->mon->w.width / selmon->w.width);
 	c->float_geom.height =
-		(int32_t)(c->float_geom.height * c->mon->w.height / selmon->w.height);
+		(int)(c->float_geom.height * c->mon->w.height / selmon->w.height);
 	selmon = c->mon;
-	c->float_geom = setclient_coordinate_center(c, c->mon, c->float_geom, 0, 0);
+	c->float_geom = setclient_coordinate_center(c, c->float_geom, 0, 0);
 
 	// 重新计算居中的坐标
 	// 重新计算居中的坐标
@@ -1070,7 +1094,7 @@ int32_t tagmon(const Arg *arg) {
 		target = get_tags_first_tag(c->tags);
 		view(&(Arg){.ui = target}, true);
 		focusclient(c, 1);
-		arrange(selmon, false, false);
+		arrange(selmon, false);
 	}
 	if (warpcursor) {
 		warp_cursor_to_selmon(c->mon);
@@ -1078,7 +1102,7 @@ int32_t tagmon(const Arg *arg) {
 	return 0;
 }
 
-int32_t tagsilent(const Arg *arg) {
+int tagsilent(const Arg *arg) {
 	Client *fc = NULL;
 	Client *target_client = NULL;
 
@@ -1094,11 +1118,11 @@ int32_t tagsilent(const Arg *arg) {
 		}
 	}
 	focusclient(focustop(selmon), 1);
-	arrange(target_client->mon, false, false);
+	arrange(target_client->mon, false);
 	return 0;
 }
 
-int32_t tagtoleft(const Arg *arg) {
+int tagtoleft(const Arg *arg) {
 	if (selmon->sel != NULL &&
 		__builtin_popcount(selmon->tagset[selmon->seltags] & TAGMASK) == 1 &&
 		selmon->tagset[selmon->seltags] > 1) {
@@ -1107,7 +1131,7 @@ int32_t tagtoleft(const Arg *arg) {
 	return 0;
 }
 
-int32_t tagtoright(const Arg *arg) {
+int tagtoright(const Arg *arg) {
 	if (selmon->sel != NULL &&
 		__builtin_popcount(selmon->tagset[selmon->seltags] & TAGMASK) == 1 &&
 		selmon->tagset[selmon->seltags] & (TAGMASK >> 1)) {
@@ -1116,7 +1140,7 @@ int32_t tagtoright(const Arg *arg) {
 	return 0;
 }
 
-int32_t toggle_named_scratchpad(const Arg *arg) {
+int toggle_named_scratchpad(const Arg *arg) {
 	Client *target_client = NULL;
 	char *arg_id = arg->v;
 	char *arg_title = arg->v2;
@@ -1135,13 +1159,13 @@ int32_t toggle_named_scratchpad(const Arg *arg) {
 	return 0;
 }
 
-int32_t toggle_render_border(const Arg *arg) {
+int toggle_render_border(const Arg *arg) {
 	render_border = !render_border;
-	arrange(selmon, false, false);
+	arrange(selmon, false);
 	return 0;
 }
 
-int32_t toggle_scratchpad(const Arg *arg) {
+int toggle_scratchpad(const Arg *arg) {
 	Client *c = NULL;
 	bool hit = false;
 	Client *tmp = NULL;
@@ -1170,14 +1194,14 @@ int32_t toggle_scratchpad(const Arg *arg) {
 	return 0;
 }
 
-int32_t togglefakefullscreen(const Arg *arg) {
+int togglefakefullscreen(const Arg *arg) {
 	Client *sel = focustop(selmon);
 	if (sel)
 		setfakefullscreen(sel, !sel->isfakefullscreen);
 	return 0;
 }
 
-int32_t togglefloating(const Arg *arg) {
+int togglefloating(const Arg *arg) {
 	Client *sel = focustop(selmon);
 
 	if (selmon && selmon->isoverview)
@@ -1196,7 +1220,7 @@ int32_t togglefloating(const Arg *arg) {
 	return 0;
 }
 
-int32_t togglefullscreen(const Arg *arg) {
+int togglefullscreen(const Arg *arg) {
 	Client *sel = focustop(selmon);
 	if (!sel)
 		return 0;
@@ -1212,7 +1236,7 @@ int32_t togglefullscreen(const Arg *arg) {
 	return 0;
 }
 
-int32_t toggleglobal(const Arg *arg) {
+int toggleglobal(const Arg *arg) {
 	if (!selmon->sel)
 		return 0;
 	if (selmon->sel->is_in_scratchpad) {
@@ -1228,13 +1252,13 @@ int32_t toggleglobal(const Arg *arg) {
 	return 0;
 }
 
-int32_t togglegaps(const Arg *arg) {
+int togglegaps(const Arg *arg) {
 	enablegaps ^= 1;
-	arrange(selmon, false, false);
+	arrange(selmon, false);
 	return 0;
 }
 
-int32_t togglemaximizescreen(const Arg *arg) {
+int togglemaximizescreen(const Arg *arg) {
 	Client *sel = focustop(selmon);
 	if (!sel)
 		return 0;
@@ -1252,7 +1276,7 @@ int32_t togglemaximizescreen(const Arg *arg) {
 	return 0;
 }
 
-int32_t toggleoverlay(const Arg *arg) {
+int toggleoverlay(const Arg *arg) {
 	if (!selmon->sel || !selmon->sel->mon || selmon->sel->isfullscreen) {
 		return 0;
 	}
@@ -1273,15 +1297,15 @@ int32_t toggleoverlay(const Arg *arg) {
 	return 0;
 }
 
-int32_t toggletag(const Arg *arg) {
+int toggletag(const Arg *arg) {
 	uint32_t newtags;
 	Client *sel = focustop(selmon);
 	if (!sel)
 		return 0;
 
-	if ((int32_t)arg->ui == INT_MIN && sel->tags != (~0 & TAGMASK)) {
+	if ((int)arg->ui == INT_MIN && sel->tags != (~0 & TAGMASK)) {
 		newtags = ~0 & TAGMASK;
-	} else if ((int32_t)arg->ui == INT_MIN && sel->tags == (~0 & TAGMASK)) {
+	} else if ((int)arg->ui == INT_MIN && sel->tags == (~0 & TAGMASK)) {
 		newtags = 1 << (sel->mon->pertag->curtag - 1);
 	} else {
 		newtags = sel->tags ^ (arg->ui & TAGMASK);
@@ -1290,13 +1314,13 @@ int32_t toggletag(const Arg *arg) {
 	if (newtags) {
 		sel->tags = newtags;
 		focusclient(focustop(selmon), 1);
-		arrange(selmon, false, false);
+		arrange(selmon, false);
 	}
 	printstatus();
 	return 0;
 }
 
-int32_t toggleview(const Arg *arg) {
+int toggleview(const Arg *arg) {
 	uint32_t newtagset;
 	uint32_t target;
 
@@ -1308,13 +1332,13 @@ int32_t toggleview(const Arg *arg) {
 	if (newtagset) {
 		selmon->tagset[selmon->seltags] = newtagset;
 		focusclient(focustop(selmon), 1);
-		arrange(selmon, false, false);
+		arrange(selmon, false);
 	}
 	printstatus();
 	return 0;
 }
 
-int32_t viewtoleft(const Arg *arg) {
+int viewtoleft(const Arg *arg) {
 	uint32_t target = selmon->tagset[selmon->seltags];
 
 	if (selmon->isoverview || selmon->pertag->curtag == 0) {
@@ -1334,7 +1358,7 @@ int32_t viewtoleft(const Arg *arg) {
 	return 0;
 }
 
-int32_t viewtoright(const Arg *arg) {
+int viewtoright(const Arg *arg) {
 	if (selmon->isoverview || selmon->pertag->curtag == 0) {
 		return 0;
 	}
@@ -1351,7 +1375,7 @@ int32_t viewtoright(const Arg *arg) {
 	return 0;
 }
 
-int32_t viewtoleft_have_client(const Arg *arg) {
+int viewtoleft_have_client(const Arg *arg) {
 	uint32_t n;
 	uint32_t current = get_tags_first_tag_num(selmon->tagset[selmon->seltags]);
 	bool found = false;
@@ -1375,7 +1399,7 @@ int32_t viewtoleft_have_client(const Arg *arg) {
 	return 0;
 }
 
-int32_t viewtoright_have_client(const Arg *arg) {
+int viewtoright_have_client(const Arg *arg) {
 	uint32_t n;
 	uint32_t current = get_tags_first_tag_num(selmon->tagset[selmon->seltags]);
 	bool found = false;
@@ -1399,13 +1423,13 @@ int32_t viewtoright_have_client(const Arg *arg) {
 	return 0;
 }
 
-int32_t viewcrossmon(const Arg *arg) {
+int viewcrossmon(const Arg *arg) {
 	focusmon(&(Arg){.v = arg->v, .i = UNDIR});
 	view_in_mon(arg, true, selmon, true);
 	return 0;
 }
 
-int32_t tagcrossmon(const Arg *arg) {
+int tagcrossmon(const Arg *arg) {
 	if (!selmon->sel)
 		return 0;
 
@@ -1413,7 +1437,7 @@ int32_t tagcrossmon(const Arg *arg) {
 	return 0;
 }
 
-int32_t comboview(const Arg *arg) {
+int comboview(const Arg *arg) {
 	uint32_t newtags = arg->ui & TAGMASK;
 
 	if (!newtags || !selmon)
@@ -1422,7 +1446,7 @@ int32_t comboview(const Arg *arg) {
 	if (tag_combo) {
 		selmon->tagset[selmon->seltags] |= newtags;
 		focusclient(focustop(selmon), 1);
-		arrange(selmon, false, false);
+		arrange(selmon, false);
 	} else {
 		tag_combo = true;
 		view(&(Arg){.ui = newtags}, false);
@@ -1432,7 +1456,7 @@ int32_t comboview(const Arg *arg) {
 	return 0;
 }
 
-int32_t zoom(const Arg *arg) {
+int zoom(const Arg *arg) {
 	Client *c = NULL, *sel = focustop(selmon);
 
 	if (!sel || !selmon ||
@@ -1461,18 +1485,18 @@ int32_t zoom(const Arg *arg) {
 	wl_list_insert(&clients, &sel->link);
 
 	focusclient(sel, 1);
-	arrange(selmon, false, false);
+	arrange(selmon, false);
 	return 0;
 }
 
-int32_t setoption(const Arg *arg) {
+int setoption(const Arg *arg) {
 	parse_option(&config, arg->v, arg->v2);
 	override_config();
 	reset_option();
 	return 0;
 }
 
-int32_t minimized(const Arg *arg) {
+int minimized(const Arg *arg) {
 
 	if (selmon && selmon->isoverview)
 		return 0;
@@ -1483,7 +1507,7 @@ int32_t minimized(const Arg *arg) {
 	return 0;
 }
 
-int32_t toggleoverview(const Arg *arg) {
+int toggleoverview(const Arg *arg) {
 	Client *c = NULL;
 
 	if (selmon->isoverview && ov_tab_mode && arg->i != 1 && selmon->sel) {
@@ -1541,7 +1565,7 @@ int32_t toggleoverview(const Arg *arg) {
 	return 0;
 }
 
-int32_t disable_monitor(const Arg *arg) {
+int disable_monitor(const Arg *arg) {
 	Monitor *m = NULL;
 	struct wlr_output_state state = {0};
 	wl_list_for_each(m, &mons, link) {
@@ -1556,7 +1580,7 @@ int32_t disable_monitor(const Arg *arg) {
 	return 0;
 }
 
-int32_t enable_monitor(const Arg *arg) {
+int enable_monitor(const Arg *arg) {
 	Monitor *m = NULL;
 	struct wlr_output_state state = {0};
 	wl_list_for_each(m, &mons, link) {
@@ -1571,7 +1595,7 @@ int32_t enable_monitor(const Arg *arg) {
 	return 0;
 }
 
-int32_t toggle_monitor(const Arg *arg) {
+int toggle_monitor(const Arg *arg) {
 	Monitor *m = NULL;
 	struct wlr_output_state state = {0};
 	wl_list_for_each(m, &mons, link) {

src/ext-protocol/dwl-ipc.h

@@ -112,7 +112,7 @@ void dwl_ipc_output_printstatus_to(DwlIpcOutput *ipc_output) {
 	Client *c = NULL, *focused = NULL;
 	struct wlr_keyboard *keyboard;
 	xkb_layout_index_t current;
-	int32_t tagmask, state, numclients, focused_client, tag;
+	int tagmask, state, numclients, focused_client, tag;
 	const char *title, *appid, *symbol;
 	char kb_layout[32];
 	focused = focustop(monitor);
@@ -238,7 +238,7 @@ void dwl_ipc_output_set_client_tags(struct wl_client *client,
 	selected_client->tags = newtags;
 	if (selmon == monitor)
 		focusclient(focustop(monitor), 1);
-	arrange(selmon, false, false);
+	arrange(selmon, false);
 	printstatus();
 }
 
@@ -257,7 +257,7 @@ void dwl_ipc_output_set_layout(struct wl_client *client,
 
 	monitor->pertag->ltidxs[monitor->pertag->curtag] = &layouts[index];
 	clear_fullscreen_and_maximized_state(monitor);
-	arrange(monitor, false, false);
+	arrange(monitor, false);
 	printstatus();
 }
 
@@ -287,7 +287,7 @@ void dwl_ipc_output_dispatch(struct wl_client *client,
 							 const char *arg3, const char *arg4,
 							 const char *arg5) {
 
-	int32_t (*func)(const Arg *);
+	int (*func)(const Arg *);
 	Arg arg;
 	func = parse_func_name((char *)dispatch, &arg, (char *)arg1, (char *)arg2,
 						   (char *)arg3, (char *)arg4, (char *)arg5);

src/ext-protocol/ext-workspace.h

@@ -102,7 +102,7 @@ static void remove_workspace_by_tag(uint32_t tag, Monitor *m) {
 	}
 }
 
-static void add_workspace_by_tag(int32_t tag, Monitor *m) {
+static void add_workspace_by_tag(int tag, Monitor *m) {
 	const char *name = get_name_from_tag(tag);
 
 	struct workspace *workspace = ecalloc(1, sizeof(*workspace));
@@ -162,7 +162,7 @@ void dwl_ext_workspace_printstatus(Monitor *m) {
 }
 
 void refresh_monitors_workspaces_status(Monitor *m) {
-	int32_t i;
+	int i;
 
 	if (m->isoverview) {
 		for (i = 1; i <= LENGTH(tags); i++) {

src/ext-protocol/foreign-toplevel.h

@@ -15,7 +15,7 @@ void handle_foreign_activate_request(struct wl_listener *listener, void *data) {
 		c->is_scratchpad_show = 0;
 		setborder_color(c);
 		show_hide_client(c);
-		arrange(c->mon, true, false);
+		arrange(c->mon, true);
 		return;
 	}
 
@@ -60,7 +60,7 @@ void handle_foreign_minimize_request(struct wl_listener *listener, void *data) {
 		c->is_scratchpad_show = 0;
 		setborder_color(c);
 		show_hide_client(c);
-		arrange(c->mon, true, false);
+		arrange(c->mon, true);
 		return;
 	}
 }

src/ext-protocol/text-input.h

@@ -77,7 +77,7 @@ Monitor *output_from_wlr_output(struct wlr_output *wlr_output) {
 	return NULL;
 }
 
-Monitor *output_nearest_to(int32_t lx, int32_t ly) {
+Monitor *output_nearest_to(int lx, int ly) {
 	double closest_x, closest_y;
 	wlr_output_layout_closest_point(output_layout, NULL, lx, ly, &closest_x,
 									&closest_y);
@@ -225,7 +225,7 @@ static void update_popup_position(struct dwl_input_method_popup *popup) {
 	Monitor *output = NULL;
 	struct wlr_xdg_positioner_rules pointer_rules;
 	struct wlr_box output_box;
-	int32_t lx, ly;
+	int lx, ly;
 	struct wlr_box popup_box;
 
 	if (!text_input || !relay->focused_surface ||

src/fetch/client.h

@@ -1,5 +1,5 @@
 bool check_hit_no_border(Client *c) {
-	int32_t i;
+	int i;
 	bool hit_no_border = false;
 	if (!render_border) {
 		hit_no_border = true;
@@ -74,16 +74,16 @@ Client *get_client_by_id_or_title(const char *arg_id, const char *arg_title) {
 	return target_client;
 }
 struct wlr_box // 计算客户端居中坐标
-setclient_coordinate_center(Client *c, Monitor *tm, struct wlr_box geom,
-							int32_t offsetx, int32_t offsety) {
+setclient_coordinate_center(Client *c, struct wlr_box geom, int offsetx,
+							int offsety) {
 	struct wlr_box tempbox;
-	int32_t offset = 0;
-	int32_t len = 0;
-	Monitor *m = tm ? tm : selmon;
+	int offset = 0;
+	int len = 0;
+	Monitor *m = c->mon ? c->mon : selmon;
 
 	uint32_t cbw = check_hit_no_border(c) ? c->bw : 0;
 
-	if (!c->no_force_center && m) {
+	if (!c->no_force_center) {
 		tempbox.x = m->w.x + (m->w.width - geom.width) / 2;
 		tempbox.y = m->w.y + (m->w.height - geom.height) / 2;
 	} else {
@@ -135,9 +135,9 @@ static bool is_window_rule_matches(const ConfigWinRule *r, const char *appid,
 Client *center_tiled_select(Monitor *m) {
 	Client *c = NULL;
 	Client *target_c = NULL;
-	int64_t mini_distance = -1;
-	int32_t dirx, diry;
-	int64_t distance;
+	long int mini_distance = -1;
+	int dirx, diry;
+	long int distance;
 	wl_list_for_each(c, &clients, link) {
 		if (c && VISIBLEON(c, m) && ISSCROLLTILED(c) &&
 			client_surface(c)->mapped && !c->isfloating &&
@@ -157,7 +157,8 @@ Client *find_client_by_direction(Client *tc, const Arg *arg, bool findfloating,
 								 bool ignore_align) {
 	Client *c = NULL;
 	Client **tempClients = NULL; // 初始化为 NULL
-	int32_t last = -1;
+	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) {
@@ -190,23 +191,23 @@ Client *find_client_by_direction(Client *tc, const Arg *arg, bool findfloating,
 		}
 	}
 
-	int32_t sel_x = tc->geom.x;
-	int32_t sel_y = tc->geom.y;
-	int64_t distance = LLONG_MAX;
-	int64_t same_monitor_distance = LLONG_MAX;
+	int sel_x = tc->geom.x;
+	int sel_y = tc->geom.y;
+	long long int distance = LLONG_MAX;
+	long long int same_monitor_distance = LLONG_MAX;
 	Client *tempFocusClients = NULL;
 	Client *tempSameMonitorFocusClients = NULL;
 
 	switch (arg->i) {
 	case UP:
 		if (!ignore_align) {
-			for (int32_t _i = 0; _i <= last; _i++) {
+			for (int _i = 0; _i <= last; _i++) {
 				if (tempClients[_i]->geom.y < sel_y &&
 					tempClients[_i]->geom.x == sel_x &&
 					tempClients[_i]->mon == tc->mon) {
-					int32_t dis_x = tempClients[_i]->geom.x - sel_x;
-					int32_t dis_y = tempClients[_i]->geom.y - sel_y;
-					int64_t tmp_distance =
+					int dis_x = tempClients[_i]->geom.x - sel_x;
+					int dis_y = tempClients[_i]->geom.y - sel_y;
+					long long int tmp_distance =
 						dis_x * dis_x + dis_y * dis_y; // 计算距离
 					if (tmp_distance < distance) {
 						distance = tmp_distance;
@@ -216,11 +217,11 @@ Client *find_client_by_direction(Client *tc, const Arg *arg, bool findfloating,
 			}
 		}
 		if (!tempFocusClients) {
-			for (int32_t _i = 0; _i <= last; _i++) {
+			for (int _i = 0; _i <= last; _i++) {
 				if (tempClients[_i]->geom.y < sel_y) {
-					int32_t dis_x = tempClients[_i]->geom.x - sel_x;
-					int32_t dis_y = tempClients[_i]->geom.y - sel_y;
-					int64_t tmp_distance =
+					int dis_x = tempClients[_i]->geom.x - sel_x;
+					int dis_y = tempClients[_i]->geom.y - sel_y;
+					long long int tmp_distance =
 						dis_x * dis_x + dis_y * dis_y; // 计算距离
 					if (tmp_distance < distance) {
 						distance = tmp_distance;
@@ -237,13 +238,13 @@ Client *find_client_by_direction(Client *tc, const Arg *arg, bool findfloating,
 		break;
 	case DOWN:
 		if (!ignore_align) {
-			for (int32_t _i = 0; _i <= last; _i++) {
+			for (int _i = 0; _i <= last; _i++) {
 				if (tempClients[_i]->geom.y > sel_y &&
 					tempClients[_i]->geom.x == sel_x &&
 					tempClients[_i]->mon == tc->mon) {
-					int32_t dis_x = tempClients[_i]->geom.x - sel_x;
-					int32_t dis_y = tempClients[_i]->geom.y - sel_y;
-					int64_t tmp_distance =
+					int dis_x = tempClients[_i]->geom.x - sel_x;
+					int dis_y = tempClients[_i]->geom.y - sel_y;
+					long long int tmp_distance =
 						dis_x * dis_x + dis_y * dis_y; // 计算距离
 					if (tmp_distance < distance) {
 						distance = tmp_distance;
@@ -253,11 +254,11 @@ Client *find_client_by_direction(Client *tc, const Arg *arg, bool findfloating,
 			}
 		}
 		if (!tempFocusClients) {
-			for (int32_t _i = 0; _i <= last; _i++) {
+			for (int _i = 0; _i <= last; _i++) {
 				if (tempClients[_i]->geom.y > sel_y) {
-					int32_t dis_x = tempClients[_i]->geom.x - sel_x;
-					int32_t dis_y = tempClients[_i]->geom.y - sel_y;
-					int64_t tmp_distance =
+					int dis_x = tempClients[_i]->geom.x - sel_x;
+					int dis_y = tempClients[_i]->geom.y - sel_y;
+					long long int tmp_distance =
 						dis_x * dis_x + dis_y * dis_y; // 计算距离
 					if (tmp_distance < distance) {
 						distance = tmp_distance;
@@ -273,14 +274,14 @@ Client *find_client_by_direction(Client *tc, const Arg *arg, bool findfloating,
 		}
 		break;
 	case LEFT:
-		if (!ignore_align) {
-			for (int32_t _i = 0; _i <= last; _i++) {
+		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 &&
 					tempClients[_i]->mon == tc->mon) {
-					int32_t dis_x = tempClients[_i]->geom.x - sel_x;
-					int32_t dis_y = tempClients[_i]->geom.y - sel_y;
-					int64_t tmp_distance =
+					int dis_x = tempClients[_i]->geom.x - sel_x;
+					int dis_y = tempClients[_i]->geom.y - sel_y;
+					long long int tmp_distance =
 						dis_x * dis_x + dis_y * dis_y; // 计算距离
 					if (tmp_distance < distance) {
 						distance = tmp_distance;
@@ -289,12 +290,12 @@ Client *find_client_by_direction(Client *tc, const Arg *arg, bool findfloating,
 				}
 			}
 		}
-		if (!tempFocusClients) {
-			for (int32_t _i = 0; _i <= last; _i++) {
+		if (!tempFocusClients && !constrain_to_row) {
+			for (int _i = 0; _i <= last; _i++) {
 				if (tempClients[_i]->geom.x < sel_x) {
-					int32_t dis_x = tempClients[_i]->geom.x - sel_x;
-					int32_t dis_y = tempClients[_i]->geom.y - sel_y;
-					int64_t tmp_distance =
+					int dis_x = tempClients[_i]->geom.x - sel_x;
+					int dis_y = tempClients[_i]->geom.y - sel_y;
+					long long int tmp_distance =
 						dis_x * dis_x + dis_y * dis_y; // 计算距离
 					if (tmp_distance < distance) {
 						distance = tmp_distance;
@@ -310,14 +311,14 @@ Client *find_client_by_direction(Client *tc, const Arg *arg, bool findfloating,
 		}
 		break;
 	case RIGHT:
-		if (!ignore_align) {
-			for (int32_t _i = 0; _i <= last; _i++) {
+		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 &&
 					tempClients[_i]->mon == tc->mon) {
-					int32_t dis_x = tempClients[_i]->geom.x - sel_x;
-					int32_t dis_y = tempClients[_i]->geom.y - sel_y;
-					int64_t tmp_distance =
+					int dis_x = tempClients[_i]->geom.x - sel_x;
+					int dis_y = tempClients[_i]->geom.y - sel_y;
+					long long int tmp_distance =
 						dis_x * dis_x + dis_y * dis_y; // 计算距离
 					if (tmp_distance < distance) {
 						distance = tmp_distance;
@@ -326,12 +327,12 @@ Client *find_client_by_direction(Client *tc, const Arg *arg, bool findfloating,
 				}
 			}
 		}
-		if (!tempFocusClients) {
-			for (int32_t _i = 0; _i <= last; _i++) {
+		if (!tempFocusClients && !constrain_to_row) {
+			for (int _i = 0; _i <= last; _i++) {
 				if (tempClients[_i]->geom.x > sel_x) {
-					int32_t dis_x = tempClients[_i]->geom.x - sel_x;
-					int32_t dis_y = tempClients[_i]->geom.y - sel_y;
-					int64_t tmp_distance =
+					int dis_x = tempClients[_i]->geom.x - sel_x;
+					int dis_y = tempClients[_i]->geom.y - sel_y;
+					long long int tmp_distance =
 						dis_x * dis_x + dis_y * dis_y; // 计算距离
 					if (tmp_distance < distance) {
 						distance = tmp_distance;
@@ -396,9 +397,6 @@ Client *get_next_stack_client(Client *c, bool reverse) {
 			if (&next->link == &clients)
 				continue; /* wrap past the sentinel node */
 
-			if (next->isunglobal)
-				continue;
-
 			if (next != c && next->mon && VISIBLEON(next, c->mon))
 				return next;
 		}
@@ -407,9 +405,6 @@ Client *get_next_stack_client(Client *c, bool reverse) {
 			if (&next->link == &clients)
 				continue; /* wrap past the sentinel node */
 
-			if (next->isunglobal)
-				continue;
-
 			if (next != c && next->mon && VISIBLEON(next, c->mon))
 				return next;
 		}
@@ -436,15 +431,4 @@ float *get_border_color(Client *c) {
 	} else {
 		return bordercolor;
 	}
-}
-
-int32_t is_single_bit_set(uint32_t x) { return x && !(x & (x - 1)); }
-
-bool client_only_in_one_tag(Client *c) {
-	uint32_t masked = c->tags & TAGMASK;
-	if (is_single_bit_set(masked)) {
-		return true;
-	} else {
-		return false;
-	}
 }

src/fetch/common.h

@@ -19,11 +19,11 @@ pid_t getparentprocess(pid_t p) {
 	return (pid_t)v;
 }
 
-int32_t isdescprocess(pid_t p, pid_t c) {
+int isdescprocess(pid_t p, pid_t c) {
 	while (p != c && c != 0)
 		c = getparentprocess(c);
 
-	return (int32_t)c;
+	return (int)c;
 }
 
 void get_layout_abbr(char *abbr, const char *full_name) {
@@ -31,7 +31,7 @@ void get_layout_abbr(char *abbr, const char *full_name) {
 	abbr[0] = '\0';
 
 	// 1. 尝试在映射表中查找
-	for (int32_t i = 0; layout_mappings[i].full_name != NULL; i++) {
+	for (int i = 0; layout_mappings[i].full_name != NULL; i++) {
 		if (strcmp(full_name, layout_mappings[i].full_name) == 0) {
 			strcpy(abbr, layout_mappings[i].abbr);
 			return;
@@ -83,7 +83,7 @@ void xytonode(double x, double y, struct wlr_surface **psurface, Client **pc,
 	struct wlr_surface *surface = NULL;
 	Client *c = NULL;
 	LayerSurface *l = NULL;
-	int32_t layer;
+	int layer;
 
 	for (layer = NUM_LAYERS - 1; !surface && layer >= 0; layer--) {
 
@@ -93,9 +93,6 @@ void xytonode(double x, double y, struct wlr_surface **psurface, Client **pc,
 		if (!(node = wlr_scene_node_at(&layers[layer]->node, x, y, nx, ny)))
 			continue;
 
-		if (!node->enabled)
-			continue;
-
 		if (node->type == WLR_SCENE_NODE_BUFFER)
 			surface = wlr_scene_surface_try_from_buffer(
 						  wlr_scene_buffer_from_node(node))

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

@@ -1,10 +1,6 @@
 void set_size_per(Monitor *m, Client *c) {
 	Client *fc = NULL;
 	bool found = false;
-
-	if (!m || !c)
-		return;
-
 	wl_list_for_each(fc, &clients, link) {
 		if (VISIBLEON(fc, m) && ISTILED(fc) && fc != c) {
 			c->master_mfact_per = fc->master_mfact_per;
@@ -22,9 +18,8 @@ void set_size_per(Monitor *m, Client *c) {
 	}
 }
 
-void resize_tile_master_horizontal(Client *grabc, bool isdrag, int32_t offsetx,
-								   int32_t offsety, uint32_t time,
-								   int32_t type) {
+void resize_tile_master_horizontal(Client *grabc, bool isdrag, int offsetx,
+								   int offsety, uint32_t time, int type) {
 	Client *tc = NULL;
 	float delta_x, delta_y;
 	Client *next = NULL;
@@ -205,20 +200,20 @@ void resize_tile_master_horizontal(Client *grabc, bool isdrag, int32_t offsetx,
 		grabc->stack_inner_per = new_stack_inner_per;
 
 		if (!isdrag) {
-			arrange(grabc->mon, false, false);
+			arrange(grabc->mon, false);
 			return;
 		}
 
 		if (last_apply_drap_time == 0 ||
 			time - last_apply_drap_time > drag_refresh_interval) {
-			arrange(grabc->mon, false, false);
+			arrange(grabc->mon, false);
 			last_apply_drap_time = time;
 		}
 	}
 }
 
-void resize_tile_master_vertical(Client *grabc, bool isdrag, int32_t offsetx,
-								 int32_t offsety, uint32_t time, int32_t type) {
+void resize_tile_master_vertical(Client *grabc, bool isdrag, int offsetx,
+								 int offsety, uint32_t time, int type) {
 	Client *tc = NULL;
 	float delta_x, delta_y;
 	Client *next = NULL;
@@ -362,20 +357,20 @@ void resize_tile_master_vertical(Client *grabc, bool isdrag, int32_t offsetx,
 		grabc->stack_inner_per = new_stack_inner_per;
 
 		if (!isdrag) {
-			arrange(grabc->mon, false, false);
+			arrange(grabc->mon, false);
 			return;
 		}
 
 		if (last_apply_drap_time == 0 ||
 			time - last_apply_drap_time > drag_refresh_interval) {
-			arrange(grabc->mon, false, false);
+			arrange(grabc->mon, false);
 			last_apply_drap_time = time;
 		}
 	}
 }
 
-void resize_tile_scroller(Client *grabc, bool isdrag, int32_t offsetx,
-						  int32_t offsety, uint32_t time, bool isvertical) {
+void resize_tile_scroller(Client *grabc, bool isdrag, int offsetx, int offsety,
+						  uint32_t time, bool isvertical) {
 	float delta_x, delta_y;
 	float new_scroller_proportion;
 
@@ -466,20 +461,20 @@ void resize_tile_scroller(Client *grabc, bool isdrag, int32_t offsetx,
 		grabc->scroller_proportion = new_scroller_proportion;
 
 		if (!isdrag) {
-			arrange(grabc->mon, false, false);
+			arrange(grabc->mon, false);
 			return;
 		}
 
 		if (last_apply_drap_time == 0 ||
 			time - last_apply_drap_time > drag_refresh_interval) {
-			arrange(grabc->mon, false, false);
+			arrange(grabc->mon, false);
 			last_apply_drap_time = time;
 		}
 	}
 }
 
-void resize_tile_client(Client *grabc, bool isdrag, int32_t offsetx,
-						int32_t offsety, uint32_t time) {
+void resize_tile_client(Client *grabc, bool isdrag, int offsetx, int offsety,
+						uint32_t time) {
 
 	if (!grabc || grabc->isfullscreen || grabc->ismaximizescreen)
 		return;
@@ -504,17 +499,19 @@ void resize_tile_client(Client *grabc, bool isdrag, int32_t offsetx,
 		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);
 	}
 }
 
-void reset_size_per_mon(Monitor *m, int32_t tile_cilent_num,
+void reset_size_per_mon(Monitor *m, int tile_cilent_num,
 						double total_left_stack_hight_percent,
 						double total_right_stack_hight_percent,
 						double total_stack_hight_percent,
-						double total_master_inner_percent, int32_t master_num,
-						int32_t stack_num) {
+						double total_master_inner_percent, int master_num,
+						int stack_num) {
 	Client *c = NULL;
-	int32_t i = 0;
+	int i = 0;
 	uint32_t stack_index = 0;
 	uint32_t nmasters = m->pertag->nmasters[m->pertag->curtag];
 
@@ -582,17 +579,17 @@ void reset_size_per_mon(Monitor *m, int32_t tile_cilent_num,
 }
 
 void // 17
-arrange(Monitor *m, bool want_animation, bool from_view) {
+arrange(Monitor *m, bool want_animation) {
 	Client *c = NULL;
 	double total_stack_inner_percent = 0;
 	double total_master_inner_percent = 0;
 	double total_right_stack_hight_percent = 0;
 	double total_left_stack_hight_percent = 0;
-	int32_t i = 0;
-	int32_t nmasters = 0;
-	int32_t stack_index = 0;
-	int32_t master_num = 0;
-	int32_t stack_num = 0;
+	int i = 0;
+	int nmasters = 0;
+	int stack_index = 0;
+	int master_num = 0;
+	int stack_num = 0;
 
 	if (!m)
 		return;
@@ -605,10 +602,6 @@ arrange(Monitor *m, bool want_animation, bool from_view) {
 
 	wl_list_for_each(c, &clients, link) {
 
-		if (from_view && (c->isglobal || c->isunglobal)) {
-			set_size_per(m, c);
-		}
-
 		if (c->mon == m && (c->isglobal || c->isunglobal)) {
 			c->tags = m->tagset[m->seltags];
 			if (c->mon->sel == NULL)
@@ -616,10 +609,6 @@ arrange(Monitor *m, bool want_animation, bool from_view) {
 		}
 
 		if (VISIBLEON(c, m)) {
-			if (from_view && !client_only_in_one_tag(c)) {
-				set_size_per(m, c);
-			}
-
 			if (!c->isunglobal)
 				m->visible_clients++;
 

src/layout/horizontal.h

@@ -1,15 +1,13 @@
 // 网格布局窗口大小和位置计算
 void grid(Monitor *m) {
-	int32_t i, n;
-	int32_t cx, cy, cw, ch;
-	int32_t dx;
-	int32_t cols, rows, overcols;
+	uint32_t i, n;
+	uint32_t cx, cy, cw, ch;
+	uint32_t dx;
+	uint32_t cols, rows, overcols;
 	Client *c = NULL;
 	n = 0;
-	int32_t target_gappo =
-		enablegaps ? m->isoverview ? overviewgappo : gappoh : 0;
-	int32_t target_gappi =
-		enablegaps ? m->isoverview ? overviewgappi : gappih : 0;
+	int target_gappo = enablegaps ? m->isoverview ? overviewgappo : gappoh : 0;
+	int target_gappi = enablegaps ? m->isoverview ? overviewgappi : gappih : 0;
 	float single_width_ratio = m->isoverview ? 0.7 : 0.9;
 	float single_height_ratio = m->isoverview ? 0.8 : 0.9;
 
@@ -112,15 +110,15 @@ void grid(Monitor *m) {
 }
 
 void deck(Monitor *m) {
-	int32_t mw, my;
-	int32_t i, n = 0;
+	uint32_t mw, my;
+	int i, n = 0;
 	Client *c = NULL;
 	Client *fc = NULL;
 	float mfact;
 
-	int32_t cur_gappih = enablegaps ? m->gappih : 0;
-	int32_t cur_gappoh = enablegaps ? m->gappoh : 0;
-	int32_t cur_gappov = enablegaps ? m->gappov : 0;
+	uint32_t cur_gappih = enablegaps ? m->gappih : 0;
+	uint32_t cur_gappoh = enablegaps ? m->gappoh : 0;
+	uint32_t cur_gappov = enablegaps ? m->gappov : 0;
 
 	cur_gappih = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappih;
 	cur_gappoh = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappoh;
@@ -183,9 +181,9 @@ void deck(Monitor *m) {
 void horizontal_scroll_adjust_fullandmax(Client *c,
 										 struct wlr_box *target_geom) {
 	Monitor *m = c->mon;
-	int32_t cur_gappih = enablegaps ? m->gappih : 0;
-	int32_t cur_gappoh = enablegaps ? m->gappoh : 0;
-	int32_t cur_gappov = enablegaps ? m->gappov : 0;
+	uint32_t cur_gappih = enablegaps ? m->gappih : 0;
+	uint32_t cur_gappoh = enablegaps ? m->gappoh : 0;
+	uint32_t cur_gappov = enablegaps ? m->gappov : 0;
 
 	cur_gappih =
 		smartgaps && m->visible_scroll_tiling_clients == 1 ? 0 : cur_gappih;
@@ -214,17 +212,17 @@ void horizontal_scroll_adjust_fullandmax(Client *c,
 
 // 滚动布局
 void scroller(Monitor *m) {
-	int32_t i, n, j;
+	uint32_t i, n, j;
 	float single_proportion = 1.0;
 
 	Client *c = NULL, *root_client = NULL;
 	Client **tempClients = NULL; // 初始化为 NULL
 	struct wlr_box target_geom;
-	int32_t focus_client_index = 0;
+	int focus_client_index = 0;
 	bool need_scroller = false;
-	int32_t cur_gappih = enablegaps ? m->gappih : 0;
-	int32_t cur_gappoh = enablegaps ? m->gappoh : 0;
-	int32_t cur_gappov = enablegaps ? m->gappov : 0;
+	uint32_t cur_gappih = enablegaps ? m->gappih : 0;
+	uint32_t cur_gappoh = enablegaps ? m->gappoh : 0;
+	uint32_t cur_gappov = enablegaps ? m->gappov : 0;
 
 	cur_gappih =
 		smartgaps && m->visible_scroll_tiling_clients == 1 ? 0 : cur_gappih;
@@ -233,7 +231,7 @@ void scroller(Monitor *m) {
 	cur_gappov =
 		smartgaps && m->visible_scroll_tiling_clients == 1 ? 0 : cur_gappov;
 
-	int32_t max_client_width = m->w.width - 2 * scroller_structs - cur_gappih;
+	uint32_t max_client_width = m->w.width - 2 * scroller_structs - cur_gappih;
 
 	n = m->visible_scroll_tiling_clients;
 
@@ -367,13 +365,219 @@ 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) {
-	int32_t i, n = 0, h, r, ie = enablegaps, mw, mx, my, oty, ety, tw;
+	uint32_t i, n = 0, h, r, ie = enablegaps, mw, mx, my, oty, ety, tw;
 	Client *c = NULL;
 	Client *fc = NULL;
 	double mfact = 0;
-	int32_t master_num = 0;
-	int32_t stack_num = 0;
+	int master_num = 0;
+	int stack_num = 0;
 
 	n = m->visible_tiling_clients;
 	master_num = m->pertag->nmasters[m->pertag->curtag];
@@ -391,10 +595,10 @@ void center_tile(Monitor *m) {
 	}
 
 	// 间隙参数处理
-	int32_t cur_gappiv = enablegaps ? m->gappiv : 0; // 内部垂直间隙
-	int32_t cur_gappih = enablegaps ? m->gappih : 0; // 内部水平间隙
-	int32_t cur_gappov = enablegaps ? m->gappov : 0; // 外部垂直间隙
-	int32_t cur_gappoh = enablegaps ? m->gappoh : 0; // 外部水平间隙
+	uint32_t cur_gappiv = enablegaps ? m->gappiv : 0; // 内部垂直间隙
+	uint32_t cur_gappih = enablegaps ? m->gappih : 0; // 内部水平间隙
+	uint32_t cur_gappov = enablegaps ? m->gappov : 0; // 外部垂直间隙
+	uint32_t cur_gappoh = enablegaps ? m->gappoh : 0; // 外部水平间隙
 
 	// 智能间隙处理
 	cur_gappiv = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappiv;
@@ -402,7 +606,7 @@ void center_tile(Monitor *m) {
 	cur_gappov = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappov;
 	cur_gappoh = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappoh;
 
-	int32_t nmasters = m->pertag->nmasters[m->pertag->curtag];
+	uint32_t nmasters = m->pertag->nmasters[m->pertag->curtag];
 	mfact = fc->master_mfact_per > 0.0f ? fc->master_mfact_per
 										: m->pertag->mfacts[m->pertag->curtag];
 
@@ -413,17 +617,17 @@ void center_tile(Monitor *m) {
 	tw = mw;
 
 	// 判断是否需要主区域铺满
-	int32_t should_overspread = center_master_overspread && (n <= nmasters);
+	int should_overspread = center_master_overspread && (n <= nmasters);
 
-	int32_t master_surplus_height =
+	uint32_t master_surplus_height =
 		(m->w.height - 2 * cur_gappov - cur_gappiv * ie * (master_num - 1));
 	float master_surplus_ratio = 1.0;
 
-	int32_t slave_left_surplus_height =
+	uint32_t slave_left_surplus_height =
 		(m->w.height - 2 * cur_gappov - cur_gappiv * ie * (stack_num / 2 - 1));
 	float slave_left_surplus_ratio = 1.0;
 
-	int32_t slave_right_surplus_height =
+	uint32_t slave_right_surplus_height =
 		(m->w.height - 2 * cur_gappov -
 		 cur_gappiv * ie * ((stack_num + 1) / 2 - 1));
 	float slave_right_surplus_ratio = 1.0;
@@ -496,7 +700,7 @@ void center_tile(Monitor *m) {
 			my += c->geom.height + cur_gappiv * ie;
 		} else {
 			// 堆叠区域窗口
-			int32_t stack_index = i - nmasters;
+			uint32_t stack_index = i - nmasters;
 
 			if (n - nmasters == 1) {
 				// 单个堆叠窗口
@@ -515,7 +719,7 @@ void center_tile(Monitor *m) {
 					c->master_mfact_per = mfact;
 				}
 
-				int32_t stack_x;
+				int stack_x;
 				if (center_when_single_stack) {
 					// 放在右侧（master居中时，stack在右边）
 					stack_x = m->w.x + mx + mw + cur_gappih * ie;
@@ -555,7 +759,7 @@ void center_tile(Monitor *m) {
 						c->master_mfact_per = mfact;
 					}
 
-					int32_t stack_x = m->w.x + mx + mw + cur_gappih * ie;
+					int stack_x = m->w.x + mx + mw + cur_gappih * ie;
 
 					resize(c,
 						   (struct wlr_box){.x = stack_x,
@@ -584,7 +788,7 @@ void center_tile(Monitor *m) {
 						c->master_mfact_per = mfact;
 					}
 
-					int32_t stack_x = m->w.x + cur_gappoh;
+					int stack_x = m->w.x + cur_gappoh;
 					resize(c,
 						   (struct wlr_box){.x = stack_x,
 											.y = m->w.y + oty,
@@ -600,12 +804,12 @@ void center_tile(Monitor *m) {
 }
 
 void tile(Monitor *m) {
-	int32_t i, n = 0, h, r, ie = enablegaps, mw, my, ty;
+	uint32_t i, n = 0, h, r, ie = enablegaps, mw, my, ty;
 	Client *c = NULL;
 	Client *fc = NULL;
 	double mfact = 0;
-	int32_t master_num = 0;
-	int32_t stack_num = 0;
+	int master_num = 0;
+	int stack_num = 0;
 
 	n = m->visible_tiling_clients;
 	master_num = m->pertag->nmasters[m->pertag->curtag];
@@ -615,10 +819,10 @@ void tile(Monitor *m) {
 	if (n == 0)
 		return;
 
-	int32_t cur_gappiv = enablegaps ? m->gappiv : 0;
-	int32_t cur_gappih = enablegaps ? m->gappih : 0;
-	int32_t cur_gappov = enablegaps ? m->gappov : 0;
-	int32_t cur_gappoh = enablegaps ? m->gappoh : 0;
+	uint32_t cur_gappiv = enablegaps ? m->gappiv : 0;
+	uint32_t cur_gappih = enablegaps ? m->gappih : 0;
+	uint32_t cur_gappov = enablegaps ? m->gappov : 0;
+	uint32_t cur_gappoh = enablegaps ? m->gappoh : 0;
 
 	cur_gappiv = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappiv;
 	cur_gappih = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappih;
@@ -643,11 +847,11 @@ void tile(Monitor *m) {
 	i = 0;
 	my = ty = cur_gappov;
 
-	int32_t master_surplus_height =
+	uint32_t master_surplus_height =
 		(m->w.height - 2 * cur_gappov - cur_gappiv * ie * (master_num - 1));
 	float master_surplus_ratio = 1.0;
 
-	int32_t slave_surplus_height =
+	uint32_t slave_surplus_height =
 		(m->w.height - 2 * cur_gappov - cur_gappiv * ie * (stack_num - 1));
 	float slave_surplus_ratio = 1.0;
 
@@ -710,12 +914,12 @@ void tile(Monitor *m) {
 }
 
 void right_tile(Monitor *m) {
-	int32_t i, n = 0, h, r, ie = enablegaps, mw, my, ty;
+	uint32_t i, n = 0, h, r, ie = enablegaps, mw, my, ty;
 	Client *c = NULL;
 	Client *fc = NULL;
 	double mfact = 0;
-	int32_t master_num = 0;
-	int32_t stack_num = 0;
+	int master_num = 0;
+	int stack_num = 0;
 
 	n = m->visible_tiling_clients;
 	master_num = m->pertag->nmasters[m->pertag->curtag];
@@ -725,10 +929,10 @@ void right_tile(Monitor *m) {
 	if (n == 0)
 		return;
 
-	int32_t cur_gappiv = enablegaps ? m->gappiv : 0;
-	int32_t cur_gappih = enablegaps ? m->gappih : 0;
-	int32_t cur_gappov = enablegaps ? m->gappov : 0;
-	int32_t cur_gappoh = enablegaps ? m->gappoh : 0;
+	uint32_t cur_gappiv = enablegaps ? m->gappiv : 0;
+	uint32_t cur_gappih = enablegaps ? m->gappih : 0;
+	uint32_t cur_gappov = enablegaps ? m->gappov : 0;
+	uint32_t cur_gappoh = enablegaps ? m->gappoh : 0;
 
 	cur_gappiv = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappiv;
 	cur_gappih = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappih;
@@ -753,11 +957,11 @@ void right_tile(Monitor *m) {
 	i = 0;
 	my = ty = cur_gappov;
 
-	int32_t master_surplus_height =
+	uint32_t master_surplus_height =
 		(m->w.height - 2 * cur_gappov - cur_gappiv * ie * (master_num - 1));
 	float master_surplus_ratio = 1.0;
 
-	int32_t slave_surplus_height =
+	uint32_t slave_surplus_height =
 		(m->w.height - 2 * cur_gappov - cur_gappiv * ie * (stack_num - 1));
 	float slave_surplus_ratio = 1.0;
 
@@ -825,8 +1029,8 @@ 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;
+	uint32_t cur_gappov = enablegaps ? m->gappov : 0;
+	uint32_t cur_gappoh = enablegaps ? m->gappoh : 0;
 
 	cur_gappoh = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappoh;
 	cur_gappov = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappov;
@@ -845,7 +1049,7 @@ monocle(Monitor *m) {
 }
 
 void tgmix(Monitor *m) {
-	int32_t n = m->visible_tiling_clients;
+	uint32_t n = m->visible_tiling_clients;
 	if (n <= 3) {
 		tile(m);
 		return;
@@ -853,4 +1057,4 @@ void tgmix(Monitor *m) {
 		grid(m);
 		return;
 	}
-}
+}

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);
 static void tgmix(Monitor *m);
 
 /* layout(s) */
@@ -28,6 +29,7 @@ enum {
 	VERTICAL_GRID,
 	VERTICAL_DECK,
 	RIGHT_TILE,
+	DUAL_SCROLLER,
 	TGMIX,
 };
 
@@ -46,5 +48,6 @@ 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
 	{"TG", tgmix, "tgmix", TGMIX},						   // 混合布局
-};
+};

src/layout/vertical.h

@@ -1,10 +1,10 @@
 void vertical_tile(Monitor *m) {
-	int32_t i, n = 0, w, r, ie = enablegaps, mh, mx, tx;
+	uint32_t i, n = 0, w, r, ie = enablegaps, mh, mx, tx;
 	Client *c = NULL;
 	Client *fc = NULL;
 	double mfact = 0;
-	int32_t master_num = 0;
-	int32_t stack_num = 0;
+	int master_num = 0;
+	int stack_num = 0;
 
 	n = m->visible_tiling_clients;
 	master_num = m->pertag->nmasters[m->pertag->curtag];
@@ -14,10 +14,10 @@ void vertical_tile(Monitor *m) {
 	if (n == 0)
 		return;
 
-	int32_t cur_gapih = enablegaps ? m->gappih : 0;
-	int32_t cur_gapiv = enablegaps ? m->gappiv : 0;
-	int32_t cur_gapoh = enablegaps ? m->gappoh : 0;
-	int32_t cur_gapov = enablegaps ? m->gappov : 0;
+	uint32_t cur_gapih = enablegaps ? m->gappih : 0;
+	uint32_t cur_gapiv = enablegaps ? m->gappiv : 0;
+	uint32_t cur_gapoh = enablegaps ? m->gappoh : 0;
+	uint32_t cur_gapov = enablegaps ? m->gappov : 0;
 
 	cur_gapih = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gapih;
 	cur_gapiv = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gapiv;
@@ -40,14 +40,14 @@ void vertical_tile(Monitor *m) {
 		mh = m->w.height - 2 * cur_gapov + cur_gapiv * ie;
 
 	i = 0;
-	mx = tx = cur_gapoh;
+	mx = tx = cur_gapih;
 
-	int32_t master_surplus_width =
-		(m->w.width - 2 * cur_gapoh - cur_gapih * ie * (master_num - 1));
+	uint32_t master_surplus_width =
+		(m->w.width - 2 * cur_gapih - cur_gapih * ie * (master_num - 1));
 	float master_surplus_ratio = 1.0;
 
-	int32_t slave_surplus_width =
-		(m->w.width - 2 * cur_gapoh - cur_gapih * ie * (stack_num - 1));
+	uint32_t slave_surplus_width =
+		(m->w.width - 2 * cur_gapih - cur_gapih * ie * (stack_num - 1));
 	float slave_surplus_ratio = 1.0;
 
 	wl_list_for_each(c, &clients, link) {
@@ -105,15 +105,15 @@ void vertical_tile(Monitor *m) {
 }
 
 void vertical_deck(Monitor *m) {
-	int32_t mh, mx;
-	int32_t i, n = 0;
+	uint32_t mh, mx;
+	int i, n = 0;
 	Client *c = NULL;
 	Client *fc = NULL;
 	float mfact;
 
-	int32_t cur_gappiv = enablegaps ? m->gappiv : 0;
-	int32_t cur_gappoh = enablegaps ? m->gappoh : 0;
-	int32_t cur_gappov = enablegaps ? m->gappov : 0;
+	uint32_t cur_gappiv = enablegaps ? m->gappiv : 0;
+	uint32_t cur_gappoh = enablegaps ? m->gappoh : 0;
+	uint32_t cur_gappov = enablegaps ? m->gappov : 0;
 
 	cur_gappiv = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappiv;
 	cur_gappoh = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappoh;
@@ -170,9 +170,9 @@ void vertical_deck(Monitor *m) {
 
 void vertical_scroll_adjust_fullandmax(Client *c, struct wlr_box *target_geom) {
 	Monitor *m = c->mon;
-	int32_t cur_gappiv = enablegaps ? m->gappiv : 0;
-	int32_t cur_gappov = enablegaps ? m->gappov : 0;
-	int32_t cur_gappoh = enablegaps ? m->gappoh : 0;
+	uint32_t cur_gappiv = enablegaps ? m->gappiv : 0;
+	uint32_t cur_gappov = enablegaps ? m->gappov : 0;
+	uint32_t cur_gappoh = enablegaps ? m->gappoh : 0;
 
 	cur_gappiv =
 		smartgaps && m->visible_scroll_tiling_clients == 1 ? 0 : cur_gappiv;
@@ -201,17 +201,17 @@ void vertical_scroll_adjust_fullandmax(Client *c, struct wlr_box *target_geom) {
 
 // 竖屏滚动布局
 void vertical_scroller(Monitor *m) {
-	int32_t i, n, j;
+	uint32_t i, n, j;
 	float single_proportion = 1.0;
 
 	Client *c = NULL, *root_client = NULL;
 	Client **tempClients = NULL;
 	struct wlr_box target_geom;
-	int32_t focus_client_index = 0;
+	int focus_client_index = 0;
 	bool need_scroller = false;
-	int32_t cur_gappiv = enablegaps ? m->gappiv : 0;
-	int32_t cur_gappov = enablegaps ? m->gappov : 0;
-	int32_t cur_gappoh = enablegaps ? m->gappoh : 0;
+	uint32_t cur_gappiv = enablegaps ? m->gappiv : 0;
+	uint32_t cur_gappov = enablegaps ? m->gappov : 0;
+	uint32_t cur_gappoh = enablegaps ? m->gappoh : 0;
 
 	cur_gappiv =
 		smartgaps && m->visible_scroll_tiling_clients == 1 ? 0 : cur_gappiv;
@@ -220,7 +220,8 @@ void vertical_scroller(Monitor *m) {
 	cur_gappoh =
 		smartgaps && m->visible_scroll_tiling_clients == 1 ? 0 : cur_gappoh;
 
-	int32_t max_client_height = m->w.height - 2 * scroller_structs - cur_gappiv;
+	uint32_t max_client_height =
+		m->w.height - 2 * scroller_structs - cur_gappiv;
 
 	n = m->visible_scroll_tiling_clients;
 
@@ -353,15 +354,13 @@ void vertical_scroller(Monitor *m) {
 }
 
 void vertical_grid(Monitor *m) {
-	int32_t i, n;
-	int32_t cx, cy, cw, ch;
-	int32_t dy;
-	int32_t rows, cols, overrows;
+	uint32_t i, n;
+	uint32_t cx, cy, cw, ch;
+	uint32_t dy;
+	uint32_t rows, cols, overrows;
 	Client *c = NULL;
-	int32_t target_gappo =
-		enablegaps ? m->isoverview ? overviewgappo : gappov : 0;
-	int32_t target_gappi =
-		enablegaps ? m->isoverview ? overviewgappi : gappiv : 0;
+	int target_gappo = enablegaps ? m->isoverview ? overviewgappo : gappov : 0;
+	int target_gappi = enablegaps ? m->isoverview ? overviewgappi : gappiv : 0;
 	float single_width_ratio = m->isoverview ? 0.7 : 0.9;
 	float single_height_ratio = m->isoverview ? 0.8 : 0.9;