From 3d89a34adf8f99160af07f272c42daef2a28c9b4 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Sat, 15 Sep 2018 20:03:15 +0300
Subject: [PATCH] Fix crash in theme editor.

Fixes #5143.
---
 .../SourceFiles/window/themes/window_theme_editor_block.cpp   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Telegram/SourceFiles/window/themes/window_theme_editor_block.cpp b/Telegram/SourceFiles/window/themes/window_theme_editor_block.cpp
index dbd43e9a3..68231e8d5 100644
--- a/Telegram/SourceFiles/window/themes/window_theme_editor_block.cpp
+++ b/Telegram/SourceFiles/window/themes/window_theme_editor_block.cpp
@@ -310,7 +310,9 @@ void EditorBlock::activateRow(const Row &row) {
 bool EditorBlock::selectSkip(int direction) {
 	_mouseSelection = false;
 
-	auto maxSelected = (isSearch() ? _searchResults.size() : _data.size()) - 1;
+	auto maxSelected = size_type(isSearch()
+		? _searchResults.size()
+		: _data.size()) - 1;
 	auto newSelected = _selected + direction;
 	if (newSelected < -1 || newSelected > maxSelected) {
 		newSelected = maxSelected;