Lua: Expose hasFocus within TextEditor binding

Change-Id: Id16b4f78ccd0229ee1976be377df97ada1594c04
Reviewed-by: Marcus Tillmanns <marcus.tillmanns@qt.io>

src/plugins/lua/bindings/texteditor.cpp

@@ -381,6 +381,13 @@ void setupTextEditorModule()
             "insertText",
             [](TextEditorPtr editor, const QString &text) {
                 editor->editorWidget()->multiTextCursor().insertText(text);
+            },
+            "hasFocus",
+            [](const TextEditorPtr &textEditor) {
+                QTC_ASSERT(
+                    textEditor && textEditor->editorWidget(),
+                    throw sol::error("TextEditor is not valid"));
+                return textEditor->editorWidget()->hasFocus();
             });
 
         result.new_usertype<TextSuggestion::Data>(

src/plugins/lua/meta/texteditor.lua

@@ -150,6 +150,10 @@ function TextEditor:hasLockedSuggestion() end
 ---@param text string The text to insert.
 function TextEditor:insertText(text) end
 
+---Indicates if the editor widget has focus.
+---@return boolean hasFocus True if the editor widget has focus, false otherwise.
+function TextEditor:hasFocus() end
+
 ---Returns the current editor or nil.
 ---@return TextEditor|nil editor The currently active editor or nil if there is none.
 function textEditor.currentEditor() end