Probably fixed crash

src/gui/inputdevices/touchdisable/TouchDisableX11.h

@@ -15,8 +15,7 @@
 
 #include "TouchDisableInterface.h"
 
-// Disabled at the moment, may cause issues
-//#define X11_ENABLED
+#define X11_ENABLED
 
 #ifdef WIN32
 #undef X11_ENABLED

src/util/Path.cpp

@@ -130,7 +130,7 @@ void Path::clearExtensions()
 /**
  * Return the Path as String
  */
-string Path::str()
+const string Path::str() const
 {
 	return path;
 }
@@ -138,7 +138,7 @@ string Path::str()
 /**
  * Return the Path as String
  */
-const char* Path::c_str()
+const char* Path::c_str() const
 {
 	return path.c_str();
 }

src/util/Path.h

@@ -78,12 +78,12 @@ public:
 	/**
 	 * Return the Path as String
 	 */
-	string str();
+	const string str() const;
 
 	/**
 	 * Return the Path as String
 	 */
-	const char* c_str();
+	const char* c_str() const;
 
 	/**
 	 * Get the parent path

src/util/Util.cpp

@@ -93,8 +93,10 @@ Path Util::getConfigSubfolder(Path subfolder)
 	{
 		if (g_mkdir_with_parents(p.c_str(), 0700))
 		{
-			string msg = FS(_F("Could not create folder: {1}") % p.str());
-			XojMsgBox::showErrorToUser(NULL, msg);
+			Util::execInUiThread([=]() {
+				string msg = FS(_F("Could not create folder: {1}") % p.str());
+				XojMsgBox::showErrorToUser(NULL, msg);
+			});
 		}
 	}