You need to have python and curl installed. Download 'Dolmades' from GitHub:
curl -L -o dolmades.tgz https://github.com/dolmades/dolmades-cli/archive/v1.0.tar.gz
tar -xzf dolmades.tgz && cd dolmades-cli-1.0/
Now the recipe described will be cooked automatically, which means
Cooking procedure in terminal
Now you will be able to start "Broken Sword" by clicking the icon. This dolmade launches the "Target Selector" - a GUI which allows to choose between multiple installed windows menu entries.
Select "Windowed Mode" and confirm. While the game is running you will notice a system tray icon which allows you to look at the wine logs (left click) or kill it (right click).