Update tmux config

dotfiles/tmux.conf

@@ -1,6 +1,6 @@
 # better prefix key
-set -g prefix C-a
+set -g prefix C-x
-bind C-a send-prefix
+bind C-x send-prefix
 
 # better splitting
 bind | split-window -h -c "#{pane_current_path}"
@@ -13,11 +13,21 @@ bind-key -r < resize-pane -L 10
 bind-key -r > resize-pane -R 10
 
 # 256 colors support
-set -g default-terminal "screen-256color"
+set-option -ga terminal-overrides ",xterm-256color:Tc"
 
-# sane scrolling
+# Mouse nav
 set -g mouse on
 
+# Don't let tmux override window names
+set-option -g allow-rename off
+
+# Quiet tmux
+set -g visual-activity off
+set -g visual-bell off
+set -g visual-silence off
+setw -g monitor-activity off
+set -g bell-action none
+
 # PLUGINS
 set -g @plugin 'tmux-plugins/tpm'
 set -g @plugin 'tmux-plugins/tmux-sensible'
@@ -27,4 +37,8 @@ set -g @plugin "arcticicestudio/nord-tmux"
 
 # TMUX plugin manager (keep at the bottom of tmux.conf)
 # requires git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm
+
+if "test ! -d ~/.tmux/plugins/tpm" \
+   "run 'git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm'"
+
 run -b '~/.tmux/plugins/tpm/tpm'