tdf#92788 - Middle Button on Mouse Paste Option Broken for X11

cherry-pick from master

caused by commit 5333782d
"convert SETTINGS_ #defines to 'enum class'"

Change-Id: Id0c2738a61f73223f6c8716f04a619c8cb84c0a9
Reviewed-on: https://gerrit.libreoffice.org/17493Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>

include/vcl/settings.hxx

@@ -679,13 +679,14 @@ public:
 
 enum class AllSettingsFlags {
     NONE     = 0x0000,
+    MOUSE    = 0x0001,
     STYLE    = 0x0002,
     MISC     = 0x0004,
     LOCALE   = 0x0020,
 };
 namespace o3tl
 {
-    template<> struct typed_flags<AllSettingsFlags> : is_typed_flags<AllSettingsFlags, 0x026> {};
+    template<> struct typed_flags<AllSettingsFlags> : is_typed_flags<AllSettingsFlags, 0x0027> {};
 }
 
 class VCL_DLLPUBLIC AllSettings

vcl/source/app/settings.cxx

@@ -2706,7 +2706,8 @@ ImplAllSettingsData::ImplAllSettingsData()
         maLocale( LANGUAGE_SYSTEM ),
         maUILocale( LANGUAGE_SYSTEM )
 {
-    mnWindowUpdate              = AllSettingsFlags::STYLE | AllSettingsFlags::MISC | AllSettingsFlags::LOCALE;
+    mnWindowUpdate              = AllSettingsFlags::MOUSE | AllSettingsFlags::STYLE |
+                                  AllSettingsFlags::MISC | AllSettingsFlags::LOCALE;
     mpLocaleDataWrapper         = NULL;
     mpUILocaleDataWrapper       = NULL;
     mpI18nHelper                = NULL;
@@ -2768,6 +2769,16 @@ AllSettingsFlags AllSettings::Update( AllSettingsFlags nFlags, const AllSettings
 
     AllSettingsFlags nChangeFlags = AllSettingsFlags::NONE;
 
+    if ( nFlags & AllSettingsFlags::MOUSE )
+    {
+        if ( mxData->maMouseSettings != rSet.mxData->maMouseSettings )
+        {
+            CopyData();
+            mxData->maMouseSettings = rSet.mxData->maMouseSettings;
+            nChangeFlags |= AllSettingsFlags::MOUSE;
+        }
+    }
+
     if ( nFlags & AllSettingsFlags::STYLE )
     {
         if ( mxData->maStyleSettings != rSet.mxData->maStyleSettings )