I use the LaTeXTools package and one of the shortcuts there is shift-alt w. I have on several occasions pressed shift-cmd w which closes my window with several tabs open etc. Is it possible to turn on some kind of “Do you want to close this window with several tabs open” confirmation? Or perhaps remove that particular key-binding (close window)?
Update: I found out that you can comment out that keyboard shortcut in the Default keyboard bindings file.