add scroll wheel script for tmux

.tmux.conf

@@ -6,9 +6,28 @@ bind-key C-a last-window
 set-window-option -g mode-keys vi
 set -s escape-time 50
 
+#######################################
+# MOUSE SCROLL WHEEL
+
 # Make mouse useful in copy mode
 setw -g mouse on
 
+# https://github.com/tmux/tmux/issues/1320#issuecomment-381952082
+# Emulate scrolling by sending up and down keys if these commands are running in the pane
+tmux_commands_with_legacy_scroll="nano less more man git"
+
+bind-key -T root WheelUpPane \
+	if-shell -Ft= '#{?mouse_any_flag,1,#{pane_in_mode}}' \
+		'send -Mt=' \
+		'if-shell -t= "#{?alternate_on,true,false} || echo \"#{tmux_commands_with_legacy_scroll}\" | grep -q \"#{pane_current_command}\"" \
+			"send -t= Up Up Up" "copy-mode -et="'
+
+bind-key -T root WheelDownPane \
+	if-shell -Ft = '#{?pane_in_mode,1,#{mouse_any_flag}}' \
+		'send -Mt=' \
+		'if-shell -t= "#{?alternate_on,true,false} || echo \"#{tmux_commands_with_legacy_scroll}\" | grep -q \"#{pane_current_command}\"" \
+			"send -t= Down Down Down" "send -Mt="'
+
 # copy selection to X windows clipboard
 #set -g set-clipboard off
 bind-key -T copy-mode-vi v send -X begin-selection

.vimrc

@@ -88,6 +88,7 @@ nmap <F4> :bp\|bd #<CR>
 
 " AsyncRun 
 " https://github.com/skywind3000/asyncrun.vim
+" map <F5> :AsyncRun -cwd=<root> -save=2 make<CR>
 map <F5> :AsyncRun -cwd=<root> -save=2 make<CR>
 
 augroup vimrc