Wow, awesome customer service! I think the suggested change will take care of the problem for a lot that are affected by this behavior.
But you might want to make sure that neither ALT nor the WIN-key is pressed, as some linux users use the latter as a modifier for shortcuts as well. SHIFT, on the other hand, doesn't seem that important for system shortcuts, and checking for SHIFT might break things when somebody uses CAPSLOCK and actually wants to minimize mirc with CTRL+Mouseclick. Working around wine bugs might not be worth risking the functionality for those that like to shout ...
That's just my random thoughts, though.
Again, thanks a lot for your effort!
Ts
