maomaowm/src/layout/horizontal.h

void deck(Monitor *m) {
	int32_t mw, my;
	int32_t i, n = 0;
	Client *c = NULL;
	Client *fc = NULL;
	float mfact;
	uint32_t nmasters = m->pertag->nmasters[m->pertag->curtag];

	int32_t cur_gappih = enablegaps ? m->gappih : 0;
	int32_t cur_gappoh = enablegaps ? m->gappoh : 0;
	int32_t cur_gappov = enablegaps ? m->gappov : 0;

	cur_gappih =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappih;
	cur_gappoh =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappoh;
	cur_gappov =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappov;

	n = m->visible_tiling_clients;

	if (n == 0)
		return;

	wl_list_for_each(fc, &clients, link) {

		if (VISIBLEON(fc, m) && ISTILED(fc))
			break;
	}

	// Calculate master width using mfact from pertag
	mfact = fc->master_mfact_per > 0.0f ? fc->master_mfact_per
										: m->pertag->mfacts[m->pertag->curtag];

	// Calculate master width including outer gaps
	if (n > nmasters)
		mw = nmasters ? round((m->w.width - 2 * cur_gappoh) * mfact) : 0;
	else
		mw = m->w.width - 2 * cur_gappoh;

	i = my = 0;
	wl_list_for_each(c, &clients, link) {
		if (!VISIBLEON(c, m) || !ISTILED(c))
			continue;
		if (i < nmasters) {
			c->master_mfact_per = mfact;
			// Master area clients
			resize(
				c,
				(struct wlr_box){.x = m->w.x + cur_gappoh,
								 .y = m->w.y + cur_gappov + my,
								 .width = mw,
								 .height = (m->w.height - 2 * cur_gappov - my) /
										   (MIN(n, nmasters) - i)},
				0);
			my += c->geom.height;
		} else {
			// Stack area clients
			c->master_mfact_per = mfact;
			resize(c,
				   (struct wlr_box){.x = m->w.x + mw + cur_gappoh + cur_gappih,
									.y = m->w.y + cur_gappov,
									.width = m->w.width - mw - 2 * cur_gappoh -
											 cur_gappih,
									.height = m->w.height - 2 * cur_gappov},
				   0);
			if (c == focustop(m))
				wlr_scene_node_raise_to_top(&c->scene->node);
		}
		i++;
	}
}

void center_tile(Monitor *m) {
	int32_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;

	n = m->visible_tiling_clients;
	master_num = m->pertag->nmasters[m->pertag->curtag];
	master_num = n > master_num ? master_num : n;

	stack_num = n - master_num;

	if (n == 0)
		return;

	// 获取第一个可见的平铺客户端用于主区域宽度百分比
	wl_list_for_each(fc, &clients, link) {
		if (VISIBLEON(fc, m) && ISTILED(fc))
			break;
	}

	// 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

	// 智能间隙处理
	cur_gappiv =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappiv;
	cur_gappih =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappih;
	cur_gappov =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappov;
	cur_gappoh =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappoh;

	int32_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];

	// 初始化区域
	mw = m->w.width;
	mx = cur_gappoh;
	my = cur_gappov;
	tw = mw;

	// 判断是否需要主区域铺满
	int32_t should_overspread =
		config.center_master_overspread && (n <= nmasters);

	int32_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 =
		(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 =
		(m->w.height - 2 * cur_gappov -
		 cur_gappiv * ie * ((stack_num + 1) / 2 - 1));
	float slave_right_surplus_ratio = 1.0;

	if (n > nmasters || !should_overspread) {
		// 计算主区域宽度（居中模式）
		mw = nmasters ? (m->w.width - 2 * cur_gappoh - cur_gappih * ie) * mfact
					  : 0;

		if (n - nmasters > 1) {
			// 多个堆叠窗口：主区域居中，左右两侧各有一个堆叠区域
			tw = (m->w.width - mw) / 2 - cur_gappoh - cur_gappih * ie;
			mx = cur_gappoh + tw + cur_gappih * ie;
		} else if (n - nmasters == 1) {
			// 单个堆叠窗口的处理
			if (config.center_when_single_stack) {
				// stack在右边，master居中，左边空着
				tw = (m->w.width - mw) / 2 - cur_gappoh - cur_gappih * ie;
				mx = cur_gappoh + tw + cur_gappih * ie; // master居中
			} else {
				// stack在右边，master在左边
				tw = m->w.width - mw - 2 * cur_gappoh - cur_gappih * ie;
				mx = cur_gappoh; // master在左边
			}
		} else {
			// 只有主区域窗口：居中显示
			tw = (m->w.width - mw) / 2 - cur_gappoh - cur_gappih * ie;
			mx = cur_gappoh + tw + cur_gappih * ie;
		}
	} else {
		// 主区域铺满模式（只有主区域窗口时）
		mw = m->w.width - 2 * cur_gappoh;
		mx = cur_gappoh;
		tw = 0; // 堆叠区域宽度为0
	}

	oty = cur_gappov;
	ety = cur_gappov;

	i = 0;
	wl_list_for_each(c, &clients, link) {
		if (!VISIBLEON(c, m) || !ISTILED(c))
			continue;

		if (i < nmasters) {
			// 主区域窗口
			r = MIN(n, nmasters) - i;
			if (c->master_inner_per > 0.0f) {
				h = master_surplus_height * c->master_inner_per /
					master_surplus_ratio;
				master_surplus_height = master_surplus_height - h;
				master_surplus_ratio =
					master_surplus_ratio - c->master_inner_per;
				c->master_mfact_per = mfact;
			} else {
				h = (m->w.height - my - cur_gappov -
					 cur_gappiv * ie * (r - 1)) /
					r;
				c->master_inner_per = h / (m->w.height - my - cur_gappov -
										   cur_gappiv * ie * (r - 1));
				c->master_mfact_per = mfact;
			}

			resize(c,
				   (struct wlr_box){.x = m->w.x + mx,
									.y = m->w.y + my,
									.width = mw,
									.height = h},
				   0);
			my += c->geom.height + cur_gappiv * ie;
		} else {
			// 堆叠区域窗口
			int32_t stack_index = i - nmasters;

			if (n - nmasters == 1) {
				// 单个堆叠窗口
				r = n - i;
				if (c->stack_inner_per > 0.0f) {
					h = (m->w.height - 2 * cur_gappov -
						 cur_gappiv * ie * (stack_num - 1)) *
						c->stack_inner_per;
					c->master_mfact_per = mfact;
				} else {
					h = (m->w.height - ety - cur_gappov -
						 cur_gappiv * ie * (r - 1)) /
						r;
					c->stack_inner_per = h / (m->w.height - ety - cur_gappov -
											  cur_gappiv * ie * (r - 1));
					c->master_mfact_per = mfact;
				}

				int32_t stack_x;
				if (config.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;
				} else {
					// 放在右侧（master在左边时，stack在右边）
					stack_x = m->w.x + mx + mw + cur_gappih * ie;
				}

				resize(c,
					   (struct wlr_box){.x = stack_x,
										.y = m->w.y + ety,
										.width = tw,
										.height = h},
					   0);
				ety += c->geom.height + cur_gappiv * ie;
			} else {
				// 多个堆叠窗口：交替放在左右两侧
				r = (n - i + 1) / 2;

				if ((stack_index % 2) ^ (n % 2 == 0)) {
					// 右侧堆叠窗口
					if (c->stack_inner_per > 0.0f) {
						h = slave_right_surplus_height * c->stack_inner_per /
							slave_right_surplus_ratio;
						slave_right_surplus_height =
							slave_right_surplus_height - h;
						slave_right_surplus_ratio =
							slave_right_surplus_ratio - c->stack_inner_per;
						c->master_mfact_per = mfact;
					} else {
						h = (m->w.height - ety - cur_gappov -
							 cur_gappiv * ie * (r - 1)) /
							r;
						c->stack_inner_per =
							h / (m->w.height - ety - cur_gappov -
								 cur_gappiv * ie * (r - 1));
						c->master_mfact_per = mfact;
					}

					int32_t stack_x = m->w.x + mx + mw + cur_gappih * ie;

					resize(c,
						   (struct wlr_box){.x = stack_x,
											.y = m->w.y + ety,
											.width = tw,
											.height = h},
						   0);
					ety += c->geom.height + cur_gappiv * ie;
				} else {
					// 左侧堆叠窗口
					if (c->stack_inner_per > 0.0f) {
						h = slave_left_surplus_height * c->stack_inner_per /
							slave_left_surplus_ratio;
						slave_left_surplus_height =
							slave_left_surplus_height - h;
						slave_left_surplus_ratio =
							slave_left_surplus_ratio - c->stack_inner_per;
						c->master_mfact_per = mfact;
					} else {
						h = (m->w.height - oty - cur_gappov -
							 cur_gappiv * ie * (r - 1)) /
							r;
						c->stack_inner_per =
							h / (m->w.height - oty - cur_gappov -
								 cur_gappiv * ie * (r - 1));
						c->master_mfact_per = mfact;
					}

					int32_t stack_x = m->w.x + cur_gappoh;
					resize(c,
						   (struct wlr_box){.x = stack_x,
											.y = m->w.y + oty,
											.width = tw,
											.height = h},
						   0);
					oty += c->geom.height + cur_gappiv * ie;
				}
			}
		}
		i++;
	}
}

void tile(Monitor *m) {
	int32_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;

	n = m->visible_tiling_clients;
	master_num = m->pertag->nmasters[m->pertag->curtag];
	master_num = n > master_num ? master_num : n;
	stack_num = n - master_num;

	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;

	cur_gappiv =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappiv;
	cur_gappih =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappih;
	cur_gappov =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappov;
	cur_gappoh =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappoh;

	wl_list_for_each(fc, &clients, link) {

		if (VISIBLEON(fc, m) && ISTILED(fc))
			break;
	}

	mfact = fc->master_mfact_per > 0.0f ? fc->master_mfact_per
										: m->pertag->mfacts[m->pertag->curtag];

	if (n > m->pertag->nmasters[m->pertag->curtag])
		mw = m->pertag->nmasters[m->pertag->curtag]
				 ? (m->w.width + cur_gappih * ie) * mfact
				 : 0;
	else
		mw = m->w.width - 2 * cur_gappoh + cur_gappih * ie;
	i = 0;
	my = ty = cur_gappov;

	int32_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 =
		(m->w.height - 2 * cur_gappov - cur_gappiv * ie * (stack_num - 1));
	float slave_surplus_ratio = 1.0;

	wl_list_for_each(c, &clients, link) {
		if (!VISIBLEON(c, m) || !ISTILED(c))
			continue;
		if (i < m->pertag->nmasters[m->pertag->curtag]) {
			r = MIN(n, m->pertag->nmasters[m->pertag->curtag]) - i;
			if (c->master_inner_per > 0.0f) {
				h = master_surplus_height * c->master_inner_per /
					master_surplus_ratio;
				master_surplus_height = master_surplus_height - h;
				master_surplus_ratio =
					master_surplus_ratio - c->master_inner_per;
				c->master_mfact_per = mfact;
			} else {
				h = (m->w.height - my - cur_gappov -
					 cur_gappiv * ie * (r - 1)) /
					r;
				c->master_inner_per = h / (m->w.height - my - cur_gappov -
										   cur_gappiv * ie * (r - 1));
				c->master_mfact_per = mfact;
			}
			resize(c,
				   (struct wlr_box){.x = m->w.x + cur_gappoh,
									.y = m->w.y + my,
									.width = mw - cur_gappih * ie,
									.height = h},
				   0);
			my += c->geom.height + cur_gappiv * ie;
		} else {
			r = n - i;
			if (c->stack_inner_per > 0.0f) {
				h = slave_surplus_height * c->stack_inner_per /
					slave_surplus_ratio;
				slave_surplus_height = slave_surplus_height - h;
				slave_surplus_ratio = slave_surplus_ratio - c->stack_inner_per;
				c->master_mfact_per = mfact;
			} else {
				h = (m->w.height - ty - cur_gappov -
					 cur_gappiv * ie * (r - 1)) /
					r;
				c->stack_inner_per = h / (m->w.height - ty - cur_gappov -
										  cur_gappiv * ie * (r - 1));
				c->master_mfact_per = mfact;
			}

			// wlr_log(WLR_ERROR, "stack_inner_per: %f", c->stack_inner_per);

			resize(c,
				   (struct wlr_box){.x = m->w.x + mw + cur_gappoh,
									.y = m->w.y + ty,
									.width = m->w.width - mw - 2 * cur_gappoh,
									.height = h},
				   0);
			ty += c->geom.height + cur_gappiv * ie;
		}
		i++;
	}
}

void right_tile(Monitor *m) {
	int32_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;

	n = m->visible_tiling_clients;
	master_num = m->pertag->nmasters[m->pertag->curtag];
	master_num = n > master_num ? master_num : n;
	stack_num = n - master_num;

	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;

	cur_gappiv =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappiv;
	cur_gappih =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappih;
	cur_gappov =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappov;
	cur_gappoh =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappoh;

	wl_list_for_each(fc, &clients, link) {

		if (VISIBLEON(fc, m) && ISTILED(fc))
			break;
	}

	mfact = fc->master_mfact_per > 0.0f ? fc->master_mfact_per
										: m->pertag->mfacts[m->pertag->curtag];

	if (n > m->pertag->nmasters[m->pertag->curtag])
		mw = m->pertag->nmasters[m->pertag->curtag]
				 ? (m->w.width + cur_gappih * ie) * mfact
				 : 0;
	else
		mw = m->w.width - 2 * cur_gappoh + cur_gappih * ie;
	i = 0;
	my = ty = cur_gappov;

	int32_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 =
		(m->w.height - 2 * cur_gappov - cur_gappiv * ie * (stack_num - 1));
	float slave_surplus_ratio = 1.0;

	wl_list_for_each(c, &clients, link) {
		if (!VISIBLEON(c, m) || !ISTILED(c))
			continue;
		if (i < m->pertag->nmasters[m->pertag->curtag]) {
			r = MIN(n, m->pertag->nmasters[m->pertag->curtag]) - i;
			if (c->master_inner_per > 0.0f) {
				h = master_surplus_height * c->master_inner_per /
					master_surplus_ratio;
				master_surplus_height = master_surplus_height - h;
				master_surplus_ratio =
					master_surplus_ratio - c->master_inner_per;
				c->master_mfact_per = mfact;
			} else {
				h = (m->w.height - my - cur_gappov -
					 cur_gappiv * ie * (r - 1)) /
					r;
				c->master_inner_per = h / (m->w.height - my - cur_gappov -
										   cur_gappiv * ie * (r - 1));
				c->master_mfact_per = mfact;
			}
			resize(c,
				   (struct wlr_box){.x = m->w.x + m->w.width - mw - cur_gappoh +
										 cur_gappih * ie,
									.y = m->w.y + my,
									.width = mw - cur_gappih * ie,
									.height = h},
				   0);
			my += c->geom.height + cur_gappiv * ie;
		} else {
			r = n - i;
			if (c->stack_inner_per > 0.0f) {
				h = slave_surplus_height * c->stack_inner_per /
					slave_surplus_ratio;
				slave_surplus_height = slave_surplus_height - h;
				slave_surplus_ratio = slave_surplus_ratio - c->stack_inner_per;
				c->master_mfact_per = mfact;
			} else {
				h = (m->w.height - ty - cur_gappov -
					 cur_gappiv * ie * (r - 1)) /
					r;
				c->stack_inner_per = h / (m->w.height - ty - cur_gappov -
										  cur_gappiv * ie * (r - 1));
				c->master_mfact_per = mfact;
			}

			// wlr_log(WLR_ERROR, "stack_inner_per: %f", c->stack_inner_per);

			resize(c,
				   (struct wlr_box){.x = m->w.x + cur_gappoh,
									.y = m->w.y + ty,
									.width = m->w.width - mw - 2 * cur_gappoh,
									.height = h},
				   0);
			ty += c->geom.height + cur_gappiv * ie;
		}
		i++;
	}
}

void // 17
monocle(Monitor *m) {
	Client *c = NULL;
	struct wlr_box geom;

	int32_t cur_gappov = enablegaps ? m->gappov : 0;
	int32_t cur_gappoh = enablegaps ? m->gappoh : 0;

	cur_gappoh =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappoh;
	cur_gappov =
		config.smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappov;

	wl_list_for_each(c, &clients, link) {
		if (!VISIBLEON(c, m) || !ISTILED(c))
			continue;
		geom.x = m->w.x + cur_gappoh;
		geom.y = m->w.y + cur_gappov;
		geom.width = m->w.width - 2 * cur_gappoh;
		geom.height = m->w.height - 2 * cur_gappov;
		resize(c, geom, 0);
	}
	if ((c = focustop(m)))
		wlr_scene_node_raise_to_top(&c->scene->node);
}

// 网格布局窗口大小和位置计算
void grid(Monitor *m) {
	int32_t i, n;
	int32_t cw, ch;
	int32_t cols, rows, overcols;
	Client *c = NULL;
	n = 0;
	int32_t target_gappo =
		enablegaps ? m->isoverview ? config.overviewgappo : config.gappoh : 0;
	int32_t target_gappi =
		enablegaps ? m->isoverview ? config.overviewgappi : config.gappih : 0;
	float single_width_ratio = m->isoverview ? 0.7 : 0.9;
	float single_height_ratio = m->isoverview ? 0.8 : 0.9;

	n = m->isoverview ? m->visible_clients : m->visible_tiling_clients;

	if (n == 0)
		return;

	if (n == 1) {
		wl_list_for_each(c, &clients, link) {
			if (c->mon != m)
				continue;
			if (VISIBLEON(c, m) && !c->isunglobal &&
				((m->isoverview && !client_is_x11_popup(c)) || ISTILED(c))) {
				cw = (m->w.width - 2 * target_gappo) * single_width_ratio;
				ch = (m->w.height - 2 * target_gappo) * single_height_ratio;
				c->geom.x = m->w.x + (m->w.width - cw) / 2;
				c->geom.y = m->w.y + (m->w.height - ch) / 2;
				c->geom.width = cw;
				c->geom.height = ch;
				resize(c, c->geom, 0);
				return;
			}
		}
	}

	if (n == 2) {
		float col_pers[2] = {1.0f, 1.0f};
		// 先提取这两个窗口现有的列比例
		i = 0;
		wl_list_for_each(c, &clients, link) {
			if (c->mon != m)
				continue;
			if (VISIBLEON(c, m) && !c->isunglobal &&
				((m->isoverview && !client_is_x11_popup(c)) || ISTILED(c))) {
				if (i < 2)
					col_pers[i] =
						(c->grid_col_per > 0.0f) ? c->grid_col_per : 1.0f;
				i++;
			}
		}

		float sum_col = col_pers[0] + col_pers[1];
		float avail_w = m->w.width - 2 * target_gappo - target_gappi;
		ch =
			(m->w.height - 2 * target_gappo) * 0.65; // 依然保持 0.65 的美观高度

		i = 0;
		wl_list_for_each(c, &clients, link) {
			if (c->mon != m)
				continue;
			if (VISIBLEON(c, m) && !c->isunglobal &&
				((m->isoverview && !client_is_x11_popup(c)) || ISTILED(c))) {
				c->grid_col_idx = i;
				c->grid_row_idx = 0;
				c->grid_col_per = col_pers[i];
				c->grid_row_per = 1.0f;

				// 根据分配的权重动态计算当前窗口的宽度
				cw = avail_w * (col_pers[i] / sum_col);

				if (i == 0) {
					c->geom.x = m->w.x + target_gappo;
				} else if (i == 1) {
					// 第二个窗口的 X 坐标紧跟第一个窗口后面
					float cw0 = avail_w * (col_pers[0] / sum_col);
					c->geom.x = m->w.x + target_gappo + cw0 + target_gappi;
				}
				c->geom.y = m->w.y + (m->w.height - ch) / 2 + target_gappo;
				c->geom.width = cw;
				c->geom.height = ch;
				resize(c, c->geom, 0);
				i++;
			}
		}
		return;
	}

	// 计算列数和行数
	for (cols = 0; cols <= n / 2; cols++) {
		if (cols * cols >= n)
			break;
	}
	rows = (cols && (cols - 1) * cols >= n) ? cols - 1 : cols;
	overcols = n % cols;

	float col_pers[cols];
	float row_pers[rows];
	for (i = 0; i < cols; i++)
		col_pers[i] = 1.0f;
	for (i = 0; i < rows; i++)
		row_pers[i] = 1.0f;

	// 提取首个窗口比例
	i = 0;
	wl_list_for_each(c, &clients, link) {
		if (c->mon != m)
			continue;
		if (VISIBLEON(c, m) && !c->isunglobal &&
			((m->isoverview && !client_is_x11_popup(c)) || ISTILED(c))) {
			int32_t c_idx = i % cols;
			int32_t r_idx = i / cols;
			if (r_idx == 0)
				col_pers[c_idx] =
					(c->grid_col_per > 0.0f) ? c->grid_col_per : 1.0f;
			if (c_idx == 0)
				row_pers[r_idx] =
					(c->grid_row_per > 0.0f) ? c->grid_row_per : 1.0f;
			i++;
		}
	}

	float sum_col = 0.0f, sum_row = 0.0f;
	for (i = 0; i < cols; i++)
		sum_col += col_pers[i];
	for (i = 0; i < rows; i++)
		sum_row += row_pers[i];

	float avail_w = m->w.width - 2 * target_gappo - (cols - 1) * target_gappi;
	float avail_h = m->w.height - 2 * target_gappo - (rows - 1) * target_gappi;

	// 分配位置与尺寸
	i = 0;
	wl_list_for_each(c, &clients, link) {
		if (c->mon != m)
			continue;
		if (VISIBLEON(c, m) && !c->isunglobal &&
			((m->isoverview && !client_is_x11_popup(c)) || ISTILED(c))) {
			int32_t c_idx = i % cols;
			int32_t r_idx = i / cols;

			// 矫正属性及标记索引
			c->grid_col_per = col_pers[c_idx];
			c->grid_row_per = row_pers[r_idx];
			c->grid_col_idx = c_idx;
			c->grid_row_idx = r_idx;

			// X 坐标及宽度计算
			float fl_cx = m->w.x + target_gappo;
			float fl_cw = 0.0f;

			if (overcols && i >= n - overcols) {
				float over_w = 0.0f;
				for (int j = 0; j < overcols; j++)
					over_w += avail_w * (col_pers[j] / sum_col);
				over_w += (overcols - 1) * target_gappi;
				float dx = (m->w.width - over_w) / 2.0f - target_gappo;

				fl_cx += dx;
				for (int j = 0; j < c_idx; j++)
					fl_cx += avail_w * (col_pers[j] / sum_col) + target_gappi;
				fl_cw = avail_w * (col_pers[c_idx] / sum_col);
			} else {
				for (int j = 0; j < c_idx; j++)
					fl_cx += avail_w * (col_pers[j] / sum_col) + target_gappi;
				fl_cw = (c_idx == cols - 1)
							? (m->w.x + m->w.width - target_gappo - fl_cx)
							: avail_w * (col_pers[c_idx] / sum_col);
			}

			// Y 坐标及高度计算
			float fl_cy = m->w.y + target_gappo;
			for (int j = 0; j < r_idx; j++)
				fl_cy += avail_h * (row_pers[j] / sum_row) + target_gappi;
			float fl_ch = (r_idx == rows - 1)
							  ? (m->w.y + m->w.height - target_gappo - fl_cy)
							  : avail_h * (row_pers[r_idx] / sum_row);

			c->geom.x = (int32_t)fl_cx;
			c->geom.y = (int32_t)fl_cy;
			c->geom.width = (int32_t)fl_cw;
			c->geom.height = (int32_t)fl_ch;
			resize(c, c->geom, 0);
			i++;
		}
	}
}

void fair(Monitor *m) {
	int32_t i, n = 0;
	Client *c = NULL;

	n = m->visible_tiling_clients;
	if (n == 0)
		return;

	// 获取间距配置
	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;

	if (config.smartgaps && n == 1) {
		cur_gappiv = cur_gappih = cur_gappov = cur_gappoh = 0;
	}

	// 计算网格行列数
	int32_t cols;
	for (cols = 0; cols <= n; cols++) {
		if (cols * cols >= n)
			break;
	}

	int32_t base_rows = n / cols;
	int32_t remainder = n % cols;
	int32_t first_group_cols = cols - remainder;
	int32_t first_group_count = first_group_cols * base_rows;
	int32_t max_rows = base_rows + (remainder > 0 ? 1 : 0);

	// 将有效客户端存入数组
	Client *arr[n];
	int32_t arr_idx = 0;
	wl_list_for_each(c, &clients, link) {
		if (VISIBLEON(c, m) && ISTILED(c)) {
			arr[arr_idx++] = c;
			if (arr_idx >= n)
				break; // 安全边界
		}
	}

	// 初始化比例数组
	float col_pers[cols];
	float row_pers[max_rows];
	for (i = 0; i < cols; i++)
		col_pers[i] = 0.0f;
	for (i = 0; i < max_rows; i++)
		row_pers[i] = 0.0f;

	// 直接基于数组进行两遍比例锁定
	for (i = 0; i < n; i++) {
		c = arr[i];
		int32_t col_idx =
			(i < first_group_count)
				? (i / base_rows)
				: (first_group_cols + (i - first_group_count) / max_rows);
		int32_t row_idx = (i < first_group_count)
							  ? (i % base_rows)
							  : ((i - first_group_count) % max_rows);

		if (c->grid_col_idx == col_idx && c->grid_col_per > 0.0f)
			col_pers[col_idx] = c->grid_col_per;
		if (c->grid_row_idx == row_idx && c->grid_row_per > 0.0f)
			row_pers[row_idx] = c->grid_row_per;
	}
	for (i = 0; i < n; i++) {
		c = arr[i];
		int32_t col_idx =
			(i < first_group_count)
				? (i / base_rows)
				: (first_group_cols + (i - first_group_count) / max_rows);
		int32_t row_idx = (i < first_group_count)
							  ? (i % base_rows)
							  : ((i - first_group_count) % max_rows);

		if (col_pers[col_idx] == 0.0f && c->grid_col_per > 0.0f)
			col_pers[col_idx] = c->grid_col_per;
		if (row_pers[row_idx] == 0.0f && c->grid_row_per > 0.0f)
			row_pers[row_idx] = c->grid_row_per;
	}

	// 兜底策略与总权重计算
	float sum_col = 0.0f;
	for (i = 0; i < cols; i++) {
		if (col_pers[i] == 0.0f)
			col_pers[i] = 1.0f;
		sum_col += col_pers[i];
	}
	for (i = 0; i < max_rows; i++) {
		if (row_pers[i] == 0.0f)
			row_pers[i] = 1.0f;
	}

	// 预计算所有列的 X 坐标和宽度
	float col_x[cols], col_w[cols];
	float avail_w = m->w.width - 2 * cur_gappoh - (cols - 1) * cur_gappih;
	float next_x = m->w.x + cur_gappoh;
	for (i = 0; i < cols; i++) {
		col_x[i] = next_x;
		col_w[i] = (i == cols - 1) ? (m->w.x + m->w.width - cur_gappoh - next_x)
								   : (avail_w * (col_pers[i] / sum_col));
		next_x += col_w[i] + cur_gappih;
	}

	// 预计算两组不同的行几何参数（解决不同列行数不一致的问题）
	float row_y_base[base_rows], row_h_base[base_rows];
	float sum_row_base = 0.0f;
	for (i = 0; i < base_rows; i++)
		sum_row_base += row_pers[i];
	float avail_h_base =
		m->w.height - 2 * cur_gappov - (base_rows - 1) * cur_gappiv;
	float next_y = m->w.y + cur_gappov;
	for (i = 0; i < base_rows; i++) {
		row_y_base[i] = next_y;
		row_h_base[i] = (i == base_rows - 1)
							? (m->w.y + m->w.height - cur_gappov - next_y)
							: (avail_h_base * (row_pers[i] / sum_row_base));
		next_y += row_h_base[i] + cur_gappiv;
	}

	float row_y_max[max_rows], row_h_max[max_rows];
	if (remainder > 0) {
		float sum_row_max = 0.0f;
		for (i = 0; i < max_rows; i++)
			sum_row_max += row_pers[i];
		float avail_h_max =
			m->w.height - 2 * cur_gappov - (max_rows - 1) * cur_gappiv;
		next_y = m->w.y + cur_gappov;
		for (i = 0; i < max_rows; i++) {
			row_y_max[i] = next_y;
			row_h_max[i] = (i == max_rows - 1)
							   ? (m->w.y + m->w.height - cur_gappov - next_y)
							   : (avail_h_max * (row_pers[i] / sum_row_max));
			next_y += row_h_max[i] + cur_gappiv;
		}
	}

	// 最终渲染布局
	for (i = 0; i < n; i++) {
		c = arr[i];
		int32_t col_idx, row_idx;
		float fl_cx, fl_cy, fl_cw, fl_ch;

		if (i < first_group_count) {
			col_idx = i / base_rows;
			row_idx = i % base_rows;
			fl_cy = row_y_base[row_idx];
			fl_ch = row_h_base[row_idx];
		} else {
			int32_t offset = i - first_group_count;
			col_idx = first_group_cols + (offset / max_rows);
			row_idx = offset % max_rows;
			fl_cy = row_y_max[row_idx];
			fl_ch = row_h_max[row_idx];
		}

		c->grid_col_per = col_pers[col_idx];
		c->grid_row_per = row_pers[row_idx];
		c->grid_col_idx = col_idx;
		c->grid_row_idx = row_idx;

		fl_cx = col_x[col_idx];
		fl_cw = col_w[col_idx];

		resize(c,
			   (struct wlr_box){.x = (int32_t)fl_cx,
								.y = (int32_t)fl_cy,
								.width = (int32_t)fl_cw,
								.height = (int32_t)fl_ch},
			   0);
	}
}