Put the following in the debug console
((findDisplay 12) displayCtrl 51) ctrlSetEventHandler ["MouseMoving", "hint str _this; false"]
Open the map
Move the Mouse
Expectation is that as you move the mouse the height text and grid text get updated.
Result: no text is shown but hint is shown
Enter this in the debug console
((findDisplay 12) displayCtrl 51) ctrlSetEventHandler ["MouseButtonDblClick", "hint str _this; true"]
Open the map
Double click mouse
Expected that the insert marker dialog does not appear.
Result: Insert marker dialog appears AND hint is shown.