From a53a72044ce1b867dff622b512b5b600153c2cee Mon Sep 17 00:00:00 2001
From: David Schulz <david.schulz@qt.io>
Date: Tue, 25 Jun 2024 08:39:54 +0200
Subject: [PATCH] TextEditor: Allow to open all files with the text editor

Sometimes the mime detection returns unexpected results and defines a
textfile based on the ending as a binary file. We should at least make
it possible for the user to open those files in the plain text editor.

Fixes: QTCREATORBUG-31116
Change-Id: I3139a1013be9fa6f28654434229c62f7a8e79d21
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
---
 src/plugins/coreplugin/editormanager/ieditorfactory.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/plugins/coreplugin/editormanager/ieditorfactory.cpp b/src/plugins/coreplugin/editormanager/ieditorfactory.cpp
index 74c35a7b5ca..0c0fc17a204 100644
--- a/src/plugins/coreplugin/editormanager/ieditorfactory.cpp
+++ b/src/plugins/coreplugin/editormanager/ieditorfactory.cpp
@@ -4,6 +4,7 @@
 #include "ieditorfactory.h"
 #include "ieditorfactory_p.h"
 #include "editormanager.h"
+#include "../coreconstants.h"
 
 #include <utils/algorithm.h>
 #include <utils/mimeconstants.h>
@@ -36,6 +37,14 @@ static void mimeTypeFactoryLookup(const Utils::MimeType &mimeType,
         }
         return true; // continue
     });
+    // Always offer the plain text editor as a fallback for the case that the mime type
+    // is not detected correctly.
+    if (auto plainTextEditorFactory = Utils::findOrDefault(
+            allFactories,
+            Utils::equal(&IEditorFactory::id, Utils::Id(Constants::K_DEFAULT_TEXT_EDITOR_ID)))) {
+        if (!matches.contains(plainTextEditorFactory))
+            list->append(plainTextEditorFactory);
+    }
 }
 
 /*!