....mostly just thinking out loud about this....
I prefer a smaller search box. However I agree that I'd like it to be easier to search for long Thought-names.
That would be accomplished by making the results box much larger.
On the left there's another display of the highlighted Thought-name, so maybe the results box should not expand to the right.
If it were to expand to the left, it would seem awkward, that the spatial relationship between a typed queury and the results seems so disconnected.
The current version is already a compromise, but not a bad one. Not too far away, but still considerably larger.
A line-break for results instead of using the "...." when the results are too long would work, but could look a little ugly.
Might make sense, since there's infinite space below.
The length of the result could also scale the results box, but that could easily appear ugly and unpredictable, too.
Predictability is very important, so that the user feels he's in control of his environment.
I know that's very important to me, at least.
Ideally there would be a checkbox-setting in Preferences>Look&Feel>User Interface called:
Letting the user scale that themself would be a bit awkward, since nobody expects to be able to scale a pop-out element.
They always make a fleeting, ephemeral impression.
The space to the left you point out isn't wasted or empty, though.
A lot of it (maybe all, depending on resolution and scaling) is reserved for the sync notifications, which I personally would like to have the option to disable, because flashy movements are distracting and software should not confront the user with chatter about trivial things.
[omg, you have internet. Oh wow, you made a change. Guess what! I synced that change! Because you indeed have internet! YEEEES! The
Making the search box rescalable would be a nice touch.
I can also see that some users like the sync notifications, though. Or would want them active for a while, to understand when syncing happens or when they're not sure how good their internet is. There's no obvious other space to put it in, except next to the Windows-menu-bar, which would be breaking with UX-convention.
One could also make the Sync-notification resize the search-bar when it comes up, but that could be even more jarring.
Make sync notifications optional and make it resizable.
Make the results box larger.