Lua: Add font getter method to TextDocument lua type

Change-Id: I60da4f51f2ddc7b930b827f721818210610ea115
Reviewed-by: Marcus Tillmanns <marcus.tillmanns@qt.io>

src/plugins/lua/bindings/texteditor.cpp

@@ -353,6 +353,11 @@ void setupTextEditorModule()
                 QTC_ASSERT(document, throw sol::error("TextDocument is not valid"));
                 return document->filePath();
             },
+            "font",
+            [](const TextDocumentPtr &document) {
+                QTC_ASSERT(document, throw sol::error("TextDocument is not valid"));
+                return document->fontSettings().font();
+            },
             "blockAndColumn",
             [](const TextDocumentPtr &document, int position) -> std::optional<std::pair<int, int>> {
                 QTC_ASSERT(document, throw sol::error("TextDocument is not valid"));

src/plugins/lua/meta/texteditor.lua

@@ -78,6 +78,10 @@ local TextDocument = {}
 ---@return FilePath filePath The file path of the document.
 function TextDocument:file() end
 
+---Returns the font of the document.
+---@return QFont
+function TextDocument:font() end
+
 ---Returns the block (line) and column for the given position.
 ---@param position integer The position to convert.
 ---@return integer block The block (line) of the position.