feat: add scroller stack

src/config/parse_config.h

@@ -205,6 +205,7 @@ typedef struct {
 	int32_t scroller_ignore_proportion_single;
 	int32_t scroller_focus_center;
 	int32_t scroller_prefer_center;
+	int32_t stacker_loop;
 	int32_t edge_scroller_pointer_focus;
 	int32_t focus_cross_monitor;
 	int32_t exchange_cross_monitor;
@@ -1241,6 +1242,8 @@ void parse_option(Config *config, char *key, char *value) {
 		config->scroller_focus_center = atoi(value);
 	} else if (strcmp(key, "scroller_prefer_center") == 0) {
 		config->scroller_prefer_center = atoi(value);
+	} else if (strcmp(key, "stacker_loop") == 0) {
+		config->stacker_loop = atoi(value);
 	} else if (strcmp(key, "edge_scroller_pointer_focus") == 0) {
 		config->edge_scroller_pointer_focus = atoi(value);
 	} else if (strcmp(key, "focus_cross_monitor") == 0) {

src/config/preset.h

@@ -65,6 +65,7 @@ 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 stacker_loop = 1;
 int32_t focus_cross_monitor = 0;
 int32_t focus_cross_tag = 0;
 int32_t exchange_cross_monitor = 0;

src/dispatch/bind_define.h

@@ -426,6 +426,12 @@ int32_t resizewin(const Arg *arg) {
 		return 0;
 
 	if (ISTILED(c)) {
+		Client *target_client = c;
+		if (is_scroller_layout(c->mon) && (c->prev_in_stack || c->next_in_stack)) {
+			while (target_client->prev_in_stack) {
+				target_client = target_client->prev_in_stack;
+			}
+		}
 		switch (arg->ui) {
 		case NUM_TYPE_MINUS:
 			offsetx = -arg->i;
@@ -449,7 +455,7 @@ int32_t resizewin(const Arg *arg) {
 			offsety = arg->i2;
 			break;
 		}
-		resize_tile_client(c, false, offsetx, offsety, 0);
+		resize_tile_client(target_client, false, offsetx, offsety, 0);
 		return 0;
 	}
 
@@ -1617,6 +1623,20 @@ int32_t stack_with_left(const Arg *arg) {
     if (!c || c->isfloating || !is_scroller_layout(selmon))
         return 0;
 
+    if (!config.stacker_loop) {
+        Client *first_tiled = NULL;
+        Client *iter_c = NULL;
+        wl_list_for_each(iter_c, &clients, link) {
+            if (ISTILED(iter_c) && VISIBLEON(iter_c, selmon)) {
+                first_tiled = iter_c;
+                break;
+            }
+        }
+        if (c == first_tiled) {
+            return 0; // It's the first client and loop is disabled, so do nothing.
+        }
+    }
+
     Client *left_c = get_next_stack_client(c, true);
     if (!left_c)
         return 0;

src/mango.c

@@ -3638,7 +3638,27 @@ void keypressmod(struct wl_listener *listener, void *data) {
 }
 
 void pending_kill_client(Client *c) {
-	// c->iskilling = 1; //不可以提前标记已经杀掉，因为有些客户端可能拒绝
+	if (!c || c->iskilling)
+		return;
+
+	// If the client is in a stack, remove it from the stack
+	if (c->prev_in_stack || c->next_in_stack) {
+		if (c->prev_in_stack) {
+			c->prev_in_stack->next_in_stack = c->next_in_stack;
+		}
+		if (c->next_in_stack) {
+			c->next_in_stack->prev_in_stack = c->prev_in_stack;
+			if (!c->prev_in_stack) { // c was the head of the stack
+				// The next client becomes the new head, so we need to ensure it's treated as such.
+				// This is implicitly handled by setting its prev_in_stack to NULL.
+			}
+		}
+		c->prev_in_stack = NULL;
+		c->next_in_stack = NULL;
+		arrange(c->mon, false, false);
+	}
+
+	c->iskilling = 1;
 	client_send_close(c);
 }