From 2b3e630af545d27e040e29a7dcde71ced23c2c96 Mon Sep 17 00:00:00 2001
From: wujiangyu <wujiangyu@uniontech.com>
Date: Fri, 23 May 2025 10:57:51 +0800
Subject: [PATCH] fix: Install new app will start from first page to fill.

as title

PMS-BUG-317475
---
 src/models/itemarrangementproxymodel.cpp | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/models/itemarrangementproxymodel.cpp b/src/models/itemarrangementproxymodel.cpp
index f3008f73..7affbc16 100644
--- a/src/models/itemarrangementproxymodel.cpp
+++ b/src/models/itemarrangementproxymodel.cpp
@@ -363,7 +363,27 @@ void ItemArrangementProxyModel::onSourceModelChanged()
         // add all existing ones if they are not already in
         if (folder == -1) {
             findItem(desktopId);
-            m_topLevel->appendItem(desktopId);
+            // Find first available page with space
+            int targetPage = -1;
+            int targetIndex = -1;
+            
+            // Check each page for available space
+            for (int page = 0; page < m_topLevel->pageCount(); page++) {
+                int itemCount = m_topLevel->itemCount(page);
+                if (itemCount < m_topLevel->maxItemCountPerPage()) {
+                    targetPage = page;
+                    targetIndex = itemCount;
+                    break;
+                }
+            }
+            
+            if (targetPage != -1) {
+                // Add to first available page with space
+                m_topLevel->insertItem(desktopId, targetPage, targetIndex);
+            } else {
+                // All pages are full, append to new page
+                m_topLevel->appendItem(desktopId);
+            }
         }
     }