Version: 4.7 (using KDE 4.7.3) OS: Linux It would be really helpful to have an option to let kmail set the window layout based on the current window size. I usually have the preview pane positioned below the message list, but when I have my laptop plugged into a larger external monitor, I like to have it on the side instead. Rather than having to go into the settings, it would be nice if kmail could detect that the window width was greater than some sensible value and move the preview pane to the side if this was the case. Otherwise the preview pane would be below the list. Perhaps, even if the window size was very small, it could remove the preview pane altogher. Thanks. Reproducible: Didn't try Expected Results: Layout changes based on window width.