From 47d7bd95ae9390754c9d33abc5d54e399c282d9d Mon Sep 17 00:00:00 2001
From: Ilya Fedin <fedin-ilja2010@ya.ru>
Date: Mon, 1 Jun 2020 12:25:37 +0400
Subject: [PATCH] Add a method to check if gtk integration is forced

---
 .../SourceFiles/platform/linux/specific_linux.cpp  | 14 ++++++++++++++
 .../SourceFiles/platform/linux/specific_linux.h    |  1 +
 2 files changed, 15 insertions(+)

diff --git a/Telegram/SourceFiles/platform/linux/specific_linux.cpp b/Telegram/SourceFiles/platform/linux/specific_linux.cpp
index b291c6d708..c902ceff77 100644
--- a/Telegram/SourceFiles/platform/linux/specific_linux.cpp
+++ b/Telegram/SourceFiles/platform/linux/specific_linux.cpp
@@ -263,6 +263,20 @@ bool IsStaticBinary() {
 #endif // !DESKTOP_APP_USE_PACKAGED
 }
 
+bool IsGtkIntegrationForced() {
+#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
+	static const auto GtkIntegration = [&] {
+		const auto platformThemes = QString::fromUtf8(qgetenv("QT_QPA_PLATFORMTHEME")).split(':');
+		return platformThemes.contains(qstr("gtk3"), Qt::CaseInsensitive)
+			|| platformThemes.contains(qstr("gtk2"), Qt::CaseInsensitive);
+	}();
+
+	return GtkIntegration;
+#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION
+
+	return false;
+}
+
 bool IsGtkFileDialogForced() {
 #ifdef TDESKTOP_FORCE_GTK_FILE_DIALOG
 	return true;
diff --git a/Telegram/SourceFiles/platform/linux/specific_linux.h b/Telegram/SourceFiles/platform/linux/specific_linux.h
index a0cff2971f..e6fca0147e 100644
--- a/Telegram/SourceFiles/platform/linux/specific_linux.h
+++ b/Telegram/SourceFiles/platform/linux/specific_linux.h
@@ -24,6 +24,7 @@ bool InSandbox();
 bool InSnap();
 bool InAppImage();
 bool IsStaticBinary();
+bool IsGtkIntegrationForced();
 bool IsGtkFileDialogForced();
 bool IsQtPluginsBundled();