Something like this? It took several long hours. ^^;
It'll take a bit more effort to get the top right corner doing the stuff you want, but I'm definitely willing to tackle that!
I tried to make a gif with a preview of it running on a fresh install, but my gifmaker ate the quality of the gif - [
x ]. You'll probably want your own stuff going on in the sidebar. ^^;
But let me know if you have other needs!