More clean-ups

Better Cross-platform stuff

https://vimways.org/2018/from-vimrc-to-vim/

plugin/ui.vim

@@ -0,0 +1,30 @@
+if $TERM_PROGRAM ==? 'iTerm.app'
+    " different cursors for insert vs normal mode
+    if exists('$TMUX')
+        let &t_SI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=1\x7\<Esc>\\"
+        let &t_EI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=0\x7\<Esc>\\"
+    else
+        let &t_SI = "\<Esc>]50;CursorShape=1\x7"
+        let &t_EI = "\<Esc>]50;CursorShape=0\x7"
+    endif
+endif
+
+" Windows-specific setting allowing for 256-colors etc
+if($ConEmuANSI ==? 'ON')
+    set term=xterm
+    set t_Co=256
+    let &t_AB='\e[48;5;%dm'       " background color
+    let &t_AF='\e[38;5;%dm'       " foreground color
+    inoremap <Esc>[62~ <C-X><C-E>
+    inoremap <Esc>[63~ <C-X><C-Y>
+    nnoremap <Esc>[62~ <C-E>
+    nnoremap <Esc>[63~ <C-Y>
+endif
+
+if(exists('$WT_SESSION'))
+    set t_Co=256
+    inoremap <Esc>[62~ <C-X><C-E>
+    inoremap <Esc>[63~ <C-X><C-Y>
+    nnoremap <Esc>[62~ <C-E>
+    nnoremap <Esc>[63~ <C-Y>
+endif