From ce3459e2490b32ee25fa2857a7a9f20741128a44 Mon Sep 17 00:00:00 2001
From: Ilya Fedin <fedin-ilja2010@ya.ru>
Date: Fri, 3 May 2024 00:40:41 +0400
Subject: [PATCH] Don't rely on TWidget using QObjectPrivate for Qt version
 check

---
 ui/rp_widget.cpp          | 3 ---
 ui/text/text_renderer.cpp | 6 ++++++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/ui/rp_widget.cpp b/ui/rp_widget.cpp
index 41b24bc..0b57704 100644
--- a/ui/rp_widget.cpp
+++ b/ui/rp_widget.cpp
@@ -15,9 +15,6 @@
 #include <QtGui/QColorSpace>
 #include <private/qwidget_p.h>
 
-// Patching out this code without patching out all other private API usage
-// and the Qt::{Core,Gui,Widgets}Private cmake dependency is asking
-// for memory corruption
 class TWidgetPrivate : public QWidgetPrivate {
 public:
 #if QT_VERSION >= QT_VERSION_CHECK(6, 4, 0)
diff --git a/ui/text/text_renderer.cpp b/ui/text/text_renderer.cpp
index 58e72bd..397c22a 100644
--- a/ui/text/text_renderer.cpp
+++ b/ui/text/text_renderer.cpp
@@ -156,6 +156,12 @@ bool Distinct(FixedRange a, FixedRange b) {
 Renderer::Renderer(const Ui::Text::String &t)
 : _t(&t)
 , _spoiler(_t->_extended ? _t->_extended->spoiler.get() : nullptr) {
+	[[maybe_unused]] static const auto Once = [] {
+		// Running with a Qt version other than the one built upon is
+		// dangerous due to excessive private API usage in this class
+		Assert(QLatin1String(qVersion()) == QLatin1String(QT_VERSION_STR));
+		return true;
+	}();
 }
 
 Renderer::~Renderer() {