From 3754792215e022b31d6f02da4c7f9c26b2a405a7 Mon Sep 17 00:00:00 2001
From: Vadim Peretokin <vperetokin@hey.com>
Date: Sun, 15 Dec 2024 20:25:21 +0100
Subject: [PATCH] Fix: crash on empty theme file settings (#7560)

<!-- Keep the title short & concise so anyone non-technical can
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     the title appears in PTB changelogs -->
#### Brief overview of PR changes/additions
Fix crash on empty theme file settings by assuming the default theme.
#### Motivation for adding to Mudlet
Closes https://github.com/Mudlet/Mudlet/issues/7557
#### Other info (issues closed, discussion etc)
An alternative to https://github.com/Mudlet/Mudlet/pull/7551 - this
solution is more straightforward.

---------

Co-authored-by: Vadim Peretokin <vadi2@users.noreply.github.com>
---
 src/XMLimport.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/XMLimport.cpp b/src/XMLimport.cpp
index 7f13b37517a..64832ba45d3 100644
--- a/src/XMLimport.cpp
+++ b/src/XMLimport.cpp
@@ -786,6 +786,10 @@ void XMLimport::readHost(Host* pHost)
     pHost->mMapperShowRoomBorders = readDefaultTrueBool(qsl("mMapperShowRoomBorders"));
     pHost->mEditorTheme = attributes().value(QLatin1String("mEditorTheme")).toString();
     pHost->mEditorThemeFile = attributes().value(QLatin1String("mEditorThemeFile")).toString();
+    if (pHost->mEditorTheme.isEmpty() || pHost->mEditorThemeFile.isEmpty()) {
+        pHost->mEditorTheme = qsl("Mudlet");
+        pHost->mEditorThemeFile = qsl("Mudlet.tmTheme");
+    }
     pHost->mThemePreviewItemID = attributes().value(QLatin1String("mThemePreviewItemID")).toInt();
     pHost->mThemePreviewType = attributes().value(QLatin1String("mThemePreviewType")).toString();
     pHost->setHaveColorSpaceId(attributes().value(QLatin1String("mSGRCodeHasColSpaceId")).toString() == QLatin1String("yes"));