Support tmux 2.1

tmux.conf

@@ -6,12 +6,21 @@ set-option -g default-command "command -v reattach-to-user-namespace >/dev/null
 
 set -sg escape-time 0
 
-set -g mode-mouse on
-set -g mouse-select-pane on
-set -g mouse-select-window on
-set -g mouse-resize-pane on
-set -g mouse-utf8 on
-setw -g mode-mouse on
+set -g -q mouse on
+
+bind-key -T root PPage if-shell -F "#{alternate_on}" "send-keys PPage" "copy-mode -e; send-keys PPage"
+bind-key -t vi-copy PPage page-up
+bind-key -t vi-copy NPage page-down
+
+bind-key -T root WheelUpPane if-shell -F -t = "#{alternate_on}" "send-keys -M" "select-pane -t =; copy-mode -e; send-keys -M"
+bind-key -T root WheelDownPane if-shell -F -t = "#{alternate_on}" "send-keys -M" "select-pane -t =; send-keys -M"
+bind-key -t vi-copy WheelUpPane halfpage-up
+bind-key -t vi-copy WheelDownPane halfpage-down
+# set -g mouse-select-pane on
+# set -g mouse-select-window on
+# set -g mouse-resize-pane on
+# set -g mouse-utf8 on
+# setw -g mode-mouse on
 
 set -g base-index 1
 set -g pane-base-index 1