saner copy mode keybindings

tmux.conf

@@ -17,6 +17,12 @@ unbind C-b
 set -g prefix C-a
 bind C-a send-prefix
 
+# Copy-paste integration
+setw -g mode-keys vi
+bind -t vi-copy 'v' begin-selection
+bind -t vi-copy 'y' copy-selection
+bind y run-shell "tmux show-buffer | xclip -sel clip -i" \; display-message "Copied tmux buffer to system clipboard"
+
 # splitting panes
 bind v split-window -h
 bind s split-window -v