From 1d1639e5e147dd5b80e286357ac8c0c6dd785d62 Mon Sep 17 00:00:00 2001
From: Elian Doran <contact@eliandoran.me>
Date: Sat, 29 Nov 2025 21:27:27 +0200
Subject: [PATCH] feat(mobile/split): limit to maximum two splits per tab

---
 .../src/widgets/containers/split_note_container.ts  | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/apps/client/src/widgets/containers/split_note_container.ts b/apps/client/src/widgets/containers/split_note_container.ts
index d50fcab1e..fbb7fd31f 100644
--- a/apps/client/src/widgets/containers/split_note_container.ts
+++ b/apps/client/src/widgets/containers/split_note_container.ts
@@ -4,6 +4,7 @@ import type BasicWidget from "../basic_widget.js";
 import Component from "../../components/component.js";
 import splitService from "../../services/resizer.js";
 import { isMobile } from "../../services/utils.js";
+import NoteContext from "../../components/note_context.js";
 
 interface SplitNoteWidget extends BasicWidget {
     hasBeenAlreadyShown?: boolean;
@@ -56,7 +57,8 @@ export default class SplitNoteContainer extends FlexContainer<SplitNoteWidget> {
     }
 
     async openNewNoteSplitEvent({ ntxId, notePath, hoistedNoteId, viewScope }: EventData<"openNewNoteSplit">) {
-        const mainNtxId = appContext.tabManager.getActiveMainContext()?.ntxId;
+        const activeContext = appContext.tabManager.getActiveMainContext();
+        const mainNtxId = activeContext?.ntxId;
         if (!mainNtxId) {
             console.warn("Missing main note context ID");
             return;
@@ -70,7 +72,14 @@ export default class SplitNoteContainer extends FlexContainer<SplitNoteWidget> {
 
         hoistedNoteId = hoistedNoteId || appContext.tabManager.getActiveContext()?.hoistedNoteId;
 
-        const noteContext = await appContext.tabManager.openEmptyTab(null, hoistedNoteId, mainNtxId);
+
+        const subContexts = activeContext.getSubContexts();
+        let noteContext: NoteContext;
+        if (isMobile() && subContexts.length > 1) {
+            noteContext = subContexts.find(s => s.ntxId !== ntxId)!;
+        } else {
+            noteContext = await appContext.tabManager.openEmptyTab(null, hoistedNoteId, mainNtxId);
+        }
         if (!noteContext.ntxId) {
             logError("Failed to create new note context!");
             return;