feat: add layout right_tile

src/animation/client.h

@@ -38,6 +38,15 @@ bool is_horizontal_stack_layout(Monitor *m) {
 	return false;
 }
 
+bool is_horizontal_right_stack_layout(Monitor *m) {
+
+	if (m->pertag->curtag &&
+		(m->pertag->ltidxs[m->pertag->curtag]->id == RIGHT_TILE))
+		return true;
+
+	return false;
+}
+
 int is_special_animaiton_rule(Client *c) {
 
 	if (is_scroller_layout(c->mon) && !c->isfloating) {
@@ -50,6 +59,12 @@ int is_special_animaiton_rule(Client *c) {
 	} else if (!c->isfloating && new_is_master &&
 			   is_horizontal_stack_layout(c->mon)) {
 		return LEFT;
+	} else if (c->mon->visible_tiling_clients == 2 && !c->isfloating &&
+			   !new_is_master && is_horizontal_right_stack_layout(c->mon)) {
+		return LEFT;
+	} else if (!c->isfloating && new_is_master &&
+			   is_horizontal_right_stack_layout(c->mon)) {
+		return RIGHT;
 	} else {
 		return UNDIR;
 	}

src/layout/arrange.h

@@ -176,6 +176,10 @@ void resize_tile_master_horizontal(Client *grabc, bool isdrag, int offsetx,
 			delta_x = delta_x * 2;
 		}
 
+		if (type == RIGHT_TILE) {
+			delta_x = delta_x * -1.0f;
+		}
+
 		// 直接设置新的比例，基于初始值 + 变化量
 		float new_master_mfact_per = grabc->old_master_mfact_per + delta_x;
 		float new_master_inner_per = grabc->old_master_inner_per + delta_y;
@@ -477,7 +481,7 @@ void resize_tile_client(Client *grabc, bool isdrag, int offsetx, int offsety,
 	const Layout *current_layout =
 		grabc->mon->pertag->ltidxs[grabc->mon->pertag->curtag];
 	if (current_layout->id == TILE || current_layout->id == DECK ||
-		current_layout->id == CENTER_TILE
+		current_layout->id == CENTER_TILE || current_layout->id == RIGHT_TILE
 
 	) {
 		resize_tile_master_horizontal(grabc, isdrag, offsetx, offsety, time,

src/layout/horizontal.h

@@ -631,6 +631,104 @@ void tile(Monitor *m) {
 	}
 }
 
+void right_tile(Monitor *m) {
+	unsigned int i, n = 0, h, r, ie = enablegaps, mw, my, ty;
+	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_gappiv = enablegaps ? m->gappiv : 0;
+	unsigned int cur_gappih = enablegaps ? m->gappih : 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_gappih = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappih;
+	cur_gappov = smartgaps && m->visible_tiling_clients == 1 ? 0 : cur_gappov;
+	cur_gappoh = 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;
+	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 = (m->w.height - 2 * cur_gappov -
+					 cur_gappiv * ie * (master_num - 1)) *
+					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_innder_per > 0.0f) {
+				h = (m->w.height - 2 * cur_gappov -
+					 cur_gappiv * ie * (stack_num - 1)) *
+					c->stack_innder_per;
+				c->master_mfact_per = mfact;
+			} else {
+				h = (m->w.height - ty - cur_gappov -
+					 cur_gappiv * ie * (r - 1)) /
+					r;
+				c->stack_innder_per = h / (m->w.height - ty - cur_gappov -
+										   cur_gappiv * ie * (r - 1));
+				c->master_mfact_per = mfact;
+			}
+
+			// wlr_log(WLR_ERROR, "stack_innder_per: %f", c->stack_innder_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;

src/layout/layout.h

@@ -1,5 +1,6 @@
 static void tile(Monitor *m);
 static void center_tile(Monitor *m);
+static void right_tile(Monitor *m);
 static void overview(Monitor *m);
 static void grid(Monitor *m);
 static void scroller(Monitor *m);
@@ -25,6 +26,7 @@ enum {
 	VERTICAL_TILE,
 	VERTICAL_GRID,
 	VERTICAL_DECK,
+	RIGHT_TILE,
 };
 
 Layout layouts[] = {
@@ -36,6 +38,7 @@ Layout layouts[] = {
 	{"M", monocle, "monocle", MONOCLE},				 // 单屏布局
 	{"K", deck, "deck", DECK},						 // 卡片布局
 	{"CT", center_tile, "center_tile", CENTER_TILE}, // 居中布局
+	{"RT", right_tile, "right_tile", RIGHT_TILE},	 // 右布局
 	{"VS", vertical_scroller, "vertical_scroller",
 	 VERTICAL_SCROLLER},								   // 垂直滚动布局
 	{"VT", vertical_tile, "vertical_tile", VERTICAL_TILE}, // 垂直平铺布局