Stop tileset editor from scrolling to map's selection when saving

CHANGELOG.md

@@ -15,6 +15,7 @@ The **"Breaking Changes"** listed below are changes that have been made in the d
 - Fix default object sprites retaining dimensions and transparency of the previous sprite.
 - Fix connections not being deleted when the map name text box is cleared.
 - Fix the map border not updating when a tileset is changed.
+- Stop the Tileset Editor from scrolling to the initially selected metatile when saving.
 
 ## [5.1.1] - 2023-02-20
 ### Added

include/ui/tileseteditor.h

@@ -164,6 +164,7 @@ private slots:
     QGraphicsScene *selectedTileScene = nullptr;
     QGraphicsPixmapItem *selectedTilePixmapItem = nullptr;
     QGraphicsScene *metatileLayersScene = nullptr;
+    bool lockSelection = false;
 
 signals:
     void tilesetsSaved(QString, QString);

src/ui/tileseteditor.cpp

@@ -68,7 +68,8 @@ void TilesetEditor::updateTilesets(QString primaryTilesetLabel, QString secondar
 }
 
 bool TilesetEditor::selectMetatile(uint16_t metatileId) {
-    if (!Tileset::metatileIsValid(metatileId, this->primaryTileset, this->secondaryTileset)) return false;
+    if (!Tileset::metatileIsValid(metatileId, this->primaryTileset, this->secondaryTileset) || this->lockSelection)
+        return false;
     this->metatileSelector->select(metatileId);
     QPoint pos = this->metatileSelector->getMetatileIdCoordsOnWidget(metatileId);
     this->ui->scrollArea_Metatiles->ensureVisible(pos.x(), pos.y());
@@ -592,18 +593,17 @@ void TilesetEditor::on_comboBox_terrainType_activated(int terrainType)
 
 void TilesetEditor::on_actionSave_Tileset_triggered()
 {
-    // need this temporary metatile ID to reset selection after saving
-    // when the tilesetsSaved signal is sent, it will be reset to the current map metatile
-    uint16_t reselectMetatileID = this->metatileSelector->getSelectedMetatileId();
-
+    // Need this temporary flag to stop selection resetting after saving.
+    // This is a workaround; redrawing the map's metatile selector shouldn't emit the same signal as when it's selected.
+    this->lockSelection = true;
     this->project->saveTilesets(this->primaryTileset, this->secondaryTileset);
     emit this->tilesetsSaved(this->primaryTileset->name, this->secondaryTileset->name);
-    this->metatileSelector->select(reselectMetatileID);
     if (this->paletteEditor) {
         this->paletteEditor->setTilesets(this->primaryTileset, this->secondaryTileset);
     }
     this->ui->statusbar->showMessage(QString("Saved primary and secondary Tilesets!"), 5000);
     this->hasUnsavedChanges = false;
+    this->lockSelection = false;
 }
 
 void TilesetEditor::on_actionImport_Primary_Tiles_triggered()