File 2001-themes.patch of Package kf6-ktexteditor

diff --git a/src/utils/kateconfig.cpp b/src/utils/kateconfig.cpp
index c57cdbeb31b4710cb1d4a101a6283c2f33333faa..6d31c23c25d2468bffd7af8504319316144c77d6 100644
--- a/src/utils/kateconfig.cpp
+++ b/src/utils/kateconfig.cpp
@@ -667,6 +667,8 @@ KateRendererConfig::KateRendererConfig()
 
     // Init all known config entries
     addConfigEntry(ConfigEntry(AutoColorThemeSelection, "Auto Color Theme Selection", QString(), true));
+    addConfigEntry(ConfigEntry(DefaultLightTheme, "Default Light Theme", QString(), QString()));
+    addConfigEntry(ConfigEntry(DefaultDarkTheme, "Default Dark Theme", QString(), QString()));
 
     // Never forget to finalize or the <CommandName> becomes not available
     finalizeConfigEntries();
@@ -877,9 +879,14 @@ void KateRendererConfig::setSchemaInternal(const QString &schema)
     // for the global config, we honor the auto selection based on the palette
     // do the same if the set theme really doesn't exist, we need a valid theme or the rendering will be broken in bad ways!
     if ((isGlobal() && value(AutoColorThemeSelection).toBool()) || !KateHlManager::self()->repository().theme(schema).isValid()) {
-        // always choose some theme matching the current application palette
-        // we will arrive here after palette changed signals, too!
-        m_schema = KateHlManager::self()->repository().themeForPalette(qGuiApp->palette()).name();
+        const QPalette uiPalette = qGuiApp->palette();
+        const bool isDarkUi = uiPalette.color(QPalette::Base).lightness() < 128;
+        m_schema = value(isDarkUi ? DefaultDarkTheme : DefaultLightTheme).toString();
+        if (m_schema.isEmpty() || !KateHlManager::self()->repository().theme(m_schema).isValid()) {
+            // always choose some theme matching the current application palette
+            // we will arrive here after palette changed signals, too!
+            m_schema = KateHlManager::self()->repository().themeForPalette(uiPalette).name();
+        }
     } else {
         // take user given theme 1:1
         m_schema = schema;
diff --git a/src/utils/kateconfig.h b/src/utils/kateconfig.h
index eac0c484e7198b17925c8e8a65b105e2c4e37c58..ab4d5a40c0d8d3adf33add5fe0e65a123bf5f949 100644
--- a/src/utils/kateconfig.h
+++ b/src/utils/kateconfig.h
@@ -1375,7 +1375,9 @@ public:
         /**
          * auto-select the color theme based on application palette
          */
-        AutoColorThemeSelection
+        AutoColorThemeSelection,
+        DefaultLightTheme,
+        DefaultDarkTheme,
     };
 
 public: