From 1a11cacf5225a7534155a9310a5647e7d4876076 Mon Sep 17 00:00:00 2001
From: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
Date: Wed, 8 Oct 2025 18:22:42 +0100
Subject: [PATCH] qt: Modernize custom filtering

In `QSortFilterProxyModel`, `invalidateFilter()` is scheduled for
deprecation in Qt 6.13.
`beginFilterChange()` was introduced in Qt 6.9.
`endFilterChange()` was introduced in Qt 6.10.
---
 src/qt/transactionfilterproxy.cpp | 45 +++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/src/qt/transactionfilterproxy.cpp b/src/qt/transactionfilterproxy.cpp
index 1ad77fd767f..c557b9457f7 100644
--- a/src/qt/transactionfilterproxy.cpp
+++ b/src/qt/transactionfilterproxy.cpp
@@ -52,32 +52,77 @@ bool TransactionFilterProxy::filterAcceptsRow(int sourceRow, const QModelIndex &
 
 void TransactionFilterProxy::setDateRange(const std::optional<QDateTime>& from, const std::optional<QDateTime>& to)
 {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 10, 0)
+    beginFilterChange();
+#endif
+
     dateFrom = from;
     dateTo = to;
+
+#if QT_VERSION >= QT_VERSION_CHECK(6, 10, 0)
+    endFilterChange(QSortFilterProxyModel::Direction::Rows);
+#else
     invalidateFilter();
+#endif
 }
 
 void TransactionFilterProxy::setSearchString(const QString &search_string)
 {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 10, 0)
+    beginFilterChange();
+#endif
+
     if (m_search_string == search_string) return;
     m_search_string = search_string;
+
+#if QT_VERSION >= QT_VERSION_CHECK(6, 10, 0)
+    endFilterChange(QSortFilterProxyModel::Direction::Rows);
+#else
     invalidateFilter();
+#endif
 }
 
 void TransactionFilterProxy::setTypeFilter(quint32 modes)
 {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 10, 0)
+    beginFilterChange();
+#endif
+
     this->typeFilter = modes;
+
+#if QT_VERSION >= QT_VERSION_CHECK(6, 10, 0)
+    endFilterChange(QSortFilterProxyModel::Direction::Rows);
+#else
     invalidateFilter();
+#endif
 }
 
 void TransactionFilterProxy::setMinAmount(const CAmount& minimum)
 {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 10, 0)
+    beginFilterChange();
+#endif
+
     this->minAmount = minimum;
+
+#if QT_VERSION >= QT_VERSION_CHECK(6, 10, 0)
+    endFilterChange(QSortFilterProxyModel::Direction::Rows);
+#else
     invalidateFilter();
+#endif
 }
 
 void TransactionFilterProxy::setShowInactive(bool _showInactive)
 {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 10, 0)
+    beginFilterChange();
+#endif
+
     this->showInactive = _showInactive;
+
+#if QT_VERSION >= QT_VERSION_CHECK(6, 10, 0)
+    endFilterChange(QSortFilterProxyModel::Direction::Rows);
+#else
     invalidateFilter();
+#endif
 }