From b3d444a0f3b840f29604e8d4176ad21b1b5aeb91 Mon Sep 17 00:00:00 2001
From: altalk23 <45172705+altalk23@users.noreply.github.com>
Date: Fri, 8 Sep 2023 15:25:55 +0300
Subject: [PATCH] Keep scroll value when refreshing the list

---
 loader/src/ui/internal/list/ModListLayer.cpp      | 15 +++++++++++++--
 loader/src/ui/internal/list/ModListLayer.hpp      |  2 +-
 loader/src/ui/internal/list/SearchFilterPopup.cpp |  2 +-
 3 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/loader/src/ui/internal/list/ModListLayer.cpp b/loader/src/ui/internal/list/ModListLayer.cpp
index 3a5cf1d3..ae936bed 100644
--- a/loader/src/ui/internal/list/ModListLayer.cpp
+++ b/loader/src/ui/internal/list/ModListLayer.cpp
@@ -444,13 +444,18 @@ void ModListLayer::createSearchControl() {
     this->addChild(m_searchInput);
 }
 
-void ModListLayer::reloadList(std::optional<ModListQuery> const& query) {
+void ModListLayer::reloadList(bool keepScroll, std::optional<ModListQuery> const& query) {
     auto winSize = CCDirector::sharedDirector()->getWinSize();
 
     if (query) {
         m_query = query.value();
     }
 
+    float scroll = 0.0f;
+    if (keepScroll && m_list) {
+        scroll = m_list->m_listView->m_tableView->m_contentLayer->getPositionY();
+    }
+
     // set search query
     m_query.keywords =
         m_searchInput && 
@@ -489,6 +494,12 @@ void ModListLayer::reloadList(std::optional<ModListQuery> const& query) {
         m_listLabel->setVisible(false);
     }
 
+    if (keepScroll) {
+        list->m_tableView->m_contentLayer->setPosition(
+            { 0.0f, scroll }
+        );
+    }
+
     // update index if needed
     if (g_tab == ModListType::Download && !Index::get()->hasTriedToUpdate()) {
         m_listLabel->setVisible(true);
@@ -686,7 +697,7 @@ void ModListLayer::keyDown(enumKeyCodes key) {
 }
 
 void ModListLayer::textChanged(CCTextInputNode* input) {
-    this->reloadList();
+    this->reloadList(false);
 }
 
 // Constructors etc.
diff --git a/loader/src/ui/internal/list/ModListLayer.hpp b/loader/src/ui/internal/list/ModListLayer.hpp
index 648e8309..0afa2839 100644
--- a/loader/src/ui/internal/list/ModListLayer.hpp
+++ b/loader/src/ui/internal/list/ModListLayer.hpp
@@ -94,5 +94,5 @@ public:
     ModListDisplay getDisplay() const;
     ModListQuery& getQuery();
 
-    void reloadList(std::optional<ModListQuery> const& query = std::nullopt);
+    void reloadList(bool keepScroll = true, std::optional<ModListQuery> const& query = std::nullopt);
 };
diff --git a/loader/src/ui/internal/list/SearchFilterPopup.cpp b/loader/src/ui/internal/list/SearchFilterPopup.cpp
index 61353a7e..e64ed651 100644
--- a/loader/src/ui/internal/list/SearchFilterPopup.cpp
+++ b/loader/src/ui/internal/list/SearchFilterPopup.cpp
@@ -175,7 +175,7 @@ void SearchFilterPopup::onPlatformToggle(CCObject* sender) {
 
 void SearchFilterPopup::onClose(CCObject* sender) {
     Popup::onClose(sender);
-    m_modLayer->reloadList();
+    m_modLayer->reloadList(false);
 }
 
 SearchFilterPopup* SearchFilterPopup::create(ModListLayer* layer, ModListType type) {