maomaowm/src/layout/vertical.h

void vertical_tile(Monitor *m) {
	unsigned int i, n = 0, w, r, ie = enablegaps, mh, mx, tx;
	Client *c = NULL;
	Client *fc = NULL;
	double mfact = 0;
	int master_num = 0;
	int stack_num = 0;

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

	if (n == 0)
		return;

	unsigned int cur_gapih = enablegaps ? m->gappih : 0;
	unsigned int cur_gapiv = enablegaps ? m->gappiv : 0;
	unsigned int cur_gapoh = enablegaps ? m->gappoh : 0;
	unsigned int 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;
	cur_gapoh = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gapoh;
	cur_gapov = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gapov;

	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])
		mh = m->pertag->nmasters[m->pertag->curtag]
				 ? (m->w.height + cur_gapiv * ie) * mfact
				 : 0;
	else
		mh = m->w.height - 2 * cur_gapov + cur_gapiv * ie;

	i = 0;
	mx = tx = cur_gapih;
	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) {
				w = (m->w.width - 2 * cur_gapih -
					 cur_gapih * ie * (master_num - 1)) *
					c->master_inner_per;
				c->master_mfact_per = mfact;
			} else {
				w = (m->w.width - mx - cur_gapih - cur_gapih * ie * (r - 1)) /
					r;
				c->master_inner_per = w / (m->w.width - mx - cur_gapih -
										   cur_gapih * ie * (r - 1));
				c->master_mfact_per = mfact;
			}
			resize(c,
				   (struct wlr_box){.x = m->w.x + mx,
									.y = m->w.y + cur_gapov,
									.width = w,
									.height = mh - cur_gapiv * ie},
				   0);
			mx += c->geom.width + cur_gapih * ie;
		} else {
			r = n - i;
			if (c->stack_innder_per > 0.0f) {
				w = (m->w.width - 2 * cur_gapih -
					 cur_gapih * ie * (stack_num - 1)) *
					c->stack_innder_per;
				c->master_mfact_per = mfact;
			} else {
				w = (m->w.width - tx - cur_gapih - cur_gapih * ie * (r - 1)) /
					r;
				c->stack_innder_per = w / (m->w.width - tx - cur_gapih -
										   cur_gapih * ie * (r - 1));
				c->master_mfact_per = mfact;
			}

			resize(c,
				   (struct wlr_box){.x = m->w.x + tx,
									.y = m->w.y + mh + cur_gapov,
									.width = w,
									.height = m->w.height - mh - 2 * cur_gapov},
				   0);
			tx += c->geom.width + cur_gapih * ie;
		}
		i++;
	}
}

void vertical_deck(Monitor *m) {
	unsigned int mh, mx;
	int i, n = 0;
	Client *c = NULL;
	Client *fc = NULL;
	float mfact;

	unsigned int cur_gappiv = enablegaps ? m->gappiv : 0;
	unsigned int cur_gappoh = enablegaps ? m->gappoh : 0;
	unsigned int 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;
	cur_gappov = 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];

	if (n > m->nmaster)
		mh = m->nmaster ? round((m->w.height - 2 * cur_gappov) * mfact) : 0;
	else
		mh = m->w.height - 2 * cur_gappov;

	i = mx = 0;
	wl_list_for_each(c, &clients, link) {
		if (!VISIBLEON(c, m) || !ISTILED(c))
			continue;
		if (i < m->nmaster) {
			resize(
				c,
				(struct wlr_box){.x = m->w.x + cur_gappoh + mx,
								 .y = m->w.y + cur_gappov,
								 .width = (m->w.width - 2 * cur_gappoh - mx) /
										  (MIN(n, m->nmaster) - i),
								 .height = mh},
				0);
			mx += c->geom.width;
		} else {
			resize(c,
				   (struct wlr_box){.x = m->w.x + cur_gappoh,
									.y = m->w.y + mh + cur_gappov + cur_gappiv,
									.width = m->w.width - 2 * cur_gappoh,
									.height = m->w.height - mh -
											  2 * cur_gappov - cur_gappiv},
				   0);
			if (c == focustop(m))
				wlr_scene_node_raise_to_top(&c->scene->node);
		}
		i++;
	}
}

void vertical_scroller(Monitor *m) {
	unsigned int i, n, j;
	Client *c = NULL, *root_client = NULL;
	Client **tempClients = NULL;
	struct wlr_box target_geom;
	int focus_client_index = 0;
	bool need_scroller = false;
	unsigned int cur_gappiv = enablegaps ? m->gappiv : 0;
	unsigned int cur_gappov = enablegaps ? m->gappov : 0;
	unsigned int cur_gappoh = enablegaps ? m->gappoh : 0;

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

	unsigned int max_client_height =
		m->w.height - 2 * scroller_structs - cur_gappiv;

	n = m->visible_tiling_clients;

	if (n == 0) {
		return;
	}

	tempClients = malloc(n * sizeof(Client *));
	if (!tempClients) {
		return;
	}

	j = 0;
	wl_list_for_each(c, &clients, link) {
		if (VISIBLEON(c, m) && ISTILED(c)) {
			tempClients[j] = c;
			j++;
		}
	}

	if (n == 1) {
		c = tempClients[0];
		target_geom.width = m->w.width - 2 * cur_gappoh;
		target_geom.height =
			(m->w.height - 2 * cur_gappov) * scroller_default_proportion_single;
		target_geom.x = m->w.x + (m->w.width - target_geom.width) / 2;
		target_geom.y = m->w.y + (m->w.height - target_geom.height) / 2;
		resize(c, target_geom, 0);
		free(tempClients);
		return;
	}

	if (m->sel && !client_is_unmanaged(m->sel) && !m->sel->isfloating &&
		!m->sel->ismaxmizescreen && !m->sel->isfullscreen) {
		root_client = m->sel;
	} else if (m->prevsel && ISTILED(m->prevsel) && VISIBLEON(m->prevsel, m) &&
			   !client_is_unmanaged(m->prevsel)) {
		root_client = m->prevsel;
	} else {
		root_client = center_tiled_select(m);
	}

	if (!root_client) {
		free(tempClients);
		return;
	}

	for (i = 0; i < n; i++) {
		c = tempClients[i];
		if (root_client == c) {
			if (!c->is_pending_open_animation &&
				c->geom.y >= m->w.y + scroller_structs &&
				c->geom.y + c->geom.height <=
					m->w.y + m->w.height - scroller_structs) {
				need_scroller = false;
			} else {
				need_scroller = true;
			}
			focus_client_index = i;
			break;
		}
	}

	target_geom.width = m->w.width - 2 * cur_gappoh;
	target_geom.height = max_client_height * c->scroller_proportion;
	target_geom.x = m->w.x + (m->w.width - target_geom.width) / 2;

	if (need_scroller) {
		if (scroller_focus_center ||
			((!m->prevsel ||
			  (ISTILED(m->prevsel) &&
			   (m->prevsel->scroller_proportion * max_client_height) +
					   (root_client->scroller_proportion * max_client_height) >
				   m->w.height - 2 * scroller_structs - cur_gappiv)) &&
			 scroller_prefer_center)) {
			target_geom.y = m->w.y + (m->w.height - target_geom.height) / 2;
		} else {
			target_geom.y = root_client->geom.y > m->w.y + (m->w.height) / 2
								? m->w.y + (m->w.height -
											root_client->scroller_proportion *
												max_client_height -
											scroller_structs)
								: m->w.y + scroller_structs;
		}
		resize(tempClients[focus_client_index], target_geom, 0);
	} else {
		target_geom.y = c->geom.y;
		resize(tempClients[focus_client_index], target_geom, 0);
	}

	for (i = 1; i <= focus_client_index; i++) {
		c = tempClients[focus_client_index - i];
		target_geom.height = max_client_height * c->scroller_proportion;
		target_geom.y = tempClients[focus_client_index - i + 1]->geom.y -
						cur_gappiv - target_geom.height;
		resize(c, target_geom, 0);
	}

	for (i = 1; i < n - focus_client_index; i++) {
		c = tempClients[focus_client_index + i];
		target_geom.height = max_client_height * c->scroller_proportion;
		target_geom.y = tempClients[focus_client_index + i - 1]->geom.y +
						cur_gappiv +
						tempClients[focus_client_index + i - 1]->geom.height;
		resize(c, target_geom, 0);
	}

	free(tempClients);
}

void vertical_grid(Monitor *m) {
	unsigned int i, n;
	unsigned int cx, cy, cw, ch;
	unsigned int dy;
	unsigned int rows, cols, overrows;
	Client *c = NULL;
	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;

	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;

			c->bw = m->visible_tiling_clients == 1 && no_border_when_single &&
							smartgaps
						? 0
						: borderpx;
			if (VISIBLEON(c, m) && !c->isunglobal &&
				((m->isoverview && !client_should_ignore_focus(c)) ||
				 ISTILED(c))) {
				ch = (m->w.height - 2 * target_gappo) * single_height_ratio;
				cw = (m->w.width - 2 * target_gappo) * single_width_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) {
		ch = (m->w.height - 2 * target_gappo - target_gappi) / 2;
		cw = (m->w.width - 2 * target_gappo) * 0.65;
		i = 0;
		wl_list_for_each(c, &clients, link) {

			if (c->mon != m)
				continue;

			c->bw = m->visible_tiling_clients == 1 && no_border_when_single &&
							smartgaps
						? 0
						: borderpx;
			if (VISIBLEON(c, m) && !c->isunglobal &&
				((m->isoverview && !client_should_ignore_focus(c)) ||
				 ISTILED(c))) {
				if (i == 0) {
					c->geom.x = m->w.x + (m->w.width - cw) / 2 + target_gappo;
					c->geom.y = m->w.y + target_gappo;
					c->geom.width = cw;
					c->geom.height = ch;
					resize(c, c->geom, 0);
				} else if (i == 1) {
					c->geom.x = m->w.x + (m->w.width - cw) / 2 + target_gappo;
					c->geom.y = m->w.y + ch + target_gappo + target_gappi;
					c->geom.width = cw;
					c->geom.height = ch;
					resize(c, c->geom, 0);
				}
				i++;
			}
		}
		return;
	}

	for (rows = 0; rows <= n / 2; rows++) {
		if (rows * rows >= n) {
			break;
		}
	}
	cols = (rows && (rows - 1) * rows >= n) ? rows - 1 : rows;

	cw = (m->w.width - 2 * target_gappo - (cols - 1) * target_gappi) / cols;
	ch = (m->w.height - 2 * target_gappo - (rows - 1) * target_gappi) / rows;

	overrows = n % rows;
	if (overrows) {
		dy = (m->w.height - overrows * ch - (overrows - 1) * target_gappi) / 2 -
			 target_gappo;
	}

	i = 0;
	wl_list_for_each(c, &clients, link) {
		if (c->mon != m)
			continue;

		c->bw =
			m->visible_tiling_clients == 1 && no_border_when_single && smartgaps
				? 0
				: borderpx;
		if (VISIBLEON(c, m) && !c->isunglobal &&
			((m->isoverview && !client_should_ignore_focus(c)) || ISTILED(c))) {
			cx = m->w.x + (i / rows) * (cw + target_gappi);
			cy = m->w.y + (i % rows) * (ch + target_gappi);
			if (overrows && i >= n - overrows) {
				cy += dy;
			}
			c->geom.x = cx + target_gappo;
			c->geom.y = cy + target_gappo;
			c->geom.width = cw;
			c->geom.height = ch;
			resize(c, c->geom, 0);
			i++;
		}
	}
}