What to do
After loading a map-file/sav-file, the map in panelGame starts moving by itself, regardless of the cursor position. It stops after moving the cursor to the edge of the frame.
Setting the initial value of GridScroller's isInComponent to false simulates that the cursor is not in the frame, causing to allow scrolling only after moving the cursor in the frame.
What to do After loading a map-file/sav-file, the map in panelGame starts moving by itself, regardless of the cursor position. It stops after moving the cursor to the edge of the frame.