Display metatile selection dimensions

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project somewhat adheres to [Semantic Versioning](https://semver.org/sp
 
 ### Changed
 - Porymap's .cfg files were replaced with .json. Any fields not listed in a config file are assumed to be the default value.
+- The dimensions of the current metatile selection are now displayed above the metatile selector.
 - Some UI changes to prioritize horizontal space for the map.
 
 ### Fixed

src/editor.cpp

@@ -1122,7 +1122,9 @@ void Editor::onHoveredMetatileSelectionCleared() {
 }
 
 void Editor::onSelectedMetatilesChanged() {
-    this->cursorMapTileRect->updateSelectionSize(this->metatile_selector_item->getSelectionDimensions());
+    const QSize selectionSize = this->metatile_selector_item->getSelectionDimensions();
+    this->cursorMapTileRect->updateSelectionSize(selectionSize);
+    ui->groupBox_SelectedMetatiles->setTitle(QString("Selection (%1x%2)").arg(selectionSize.width()).arg(selectionSize.height()));
     this->redrawCurrentMetatilesSelection();
 }