From 43881077bf0ba1546538cc736cbcf7213422c4e2 Mon Sep 17 00:00:00 2001
From: DreamMaoMao <2523610504@qq.com>
Date: Fri, 10 Oct 2025 07:01:23 +0800
Subject: [PATCH] opt: first version that need to check layout switch

---
 src/mango.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 59 insertions(+), 8 deletions(-)

diff --git a/src/mango.c b/src/mango.c
index aada3a9..104a5ba 100644
--- a/src/mango.c
+++ b/src/mango.c
@@ -3874,7 +3874,24 @@ void motionabsolute(struct wl_listener *listener, void *data) {
 }
 
 void resize_tile_client(Client *grabc) {
-	Client *tc;
+	Client *tc = NULL;
+	float delta_x, delta_y;
+	Client *next = NULL;
+	Client *prev = NULL;
+    // 查找 grabc 在链表中的前一个和后一个客户端
+    wl_list_for_each(tc, &clients, link) {
+        if (tc == grabc) {
+            // 找到当前客户端，下一个节点就是 next
+            if (tc->link.next != &clients) {
+                next = wl_container_of(tc->link.next, next, link);
+            }
+            // 前一个节点就是 prev  
+            if (tc->link.prev != &clients) {
+                prev = wl_container_of(tc->link.prev, prev, link);
+            }
+            break;
+        }
+    }
 
 	if (!start_drag_window) {
 		begin_cursorx = cursor->x;
@@ -3891,18 +3908,52 @@ void resize_tile_client(Client *grabc) {
 		grabc->begin_geom = grabc->geom;
 	} else {
 		// 计算相对于屏幕尺寸的比例变化
-		float delta_x = (float)(cursor->x - begin_cursorx) *
-						(1 - grabc->old_master_width_per) /
-						grabc->begin_geom.width;
-		float delta_y = (float)(cursor->y - begin_cursory) *
-						(grabc->old_slave_height_per) /
-						grabc->begin_geom.height;
+		if(grabc->ismaster) {
+			delta_x = (float)(cursor->x - begin_cursorx) *
+							(grabc->old_master_width_per) /
+							grabc->begin_geom.width;
+			delta_y = (float)(cursor->y - begin_cursory) *
+							(grabc->old_master_height_per) /
+							grabc->begin_geom.height;
+		} else {
+			delta_x = (float)(cursor->x - begin_cursorx) *
+							(1 - grabc->old_master_width_per) /
+							grabc->begin_geom.width;
+			delta_y = (float)(cursor->y - begin_cursory) *
+							(grabc->old_slave_height_per) /
+							grabc->begin_geom.height;
+		}
 
 
 		bool moving_up = cursor->y < begin_cursory;
 		bool moving_down = cursor->y > begin_cursory;
 
-		if ((grabc->cursor_in_upper_half && moving_up) ||
+
+		if(grabc->ismaster && !prev) {
+			if(moving_up) {
+				delta_y = -fabsf(delta_y);
+			} else {
+				delta_y = fabsf(delta_y);
+			}
+		} else if(grabc->ismaster && !next->ismaster) {
+			if(moving_up) {
+				delta_y = fabsf(delta_y);
+			} else {
+				delta_y = -fabsf(delta_y);
+			}			
+		} else if(!grabc->ismaster && prev->ismaster) {
+			if(moving_up) {
+				delta_y = -fabsf(delta_y);
+			} else {
+				delta_y = fabsf(delta_y);
+			}			
+		} else if(!grabc->ismaster && !next) {
+			if(moving_up) {
+				delta_y = fabsf(delta_y);
+			} else {
+				delta_y = -fabsf(delta_y);
+			}				
+		} else if ((grabc->cursor_in_upper_half && moving_up) ||
 			(!grabc->cursor_in_upper_half && moving_down)) {
 			// 光标在窗口上方且向上移动，或在窗口下方且向下移动 → 增加高度
 			delta_y = fabsf(delta_y);