# remap prefix from 'C-b' to 'C-a'
unbind C-b
set-option -g prefix C-a
bind-key C-a send-prefix

# split panes using | and -
bind \ split-window -h
bind - split-window -v
unbind '"'
unbind %

# Enable mouse mode (tmux 2.1 and above)
set -g mouse on

# panes look
set -g pane-border-style 'fg=colour19 bg=colour0'
set -g pane-active-border-style 'bg=colour0 fg=colour9'
set -g status-style 'bg=colour33 fg=colour0 dim'

# Do not copy selection and cancel copy mode on drag end event
# Prefer iTerm style selection: select, then mouse click to copy to buffer
unbind -T copy-mode-vi MouseDragEnd1Pane
bind -T copy-mode-vi Enter send-keys -X copy-pipe-and-cancel "xclip -i -f -selection primary | xclip -i -selection clipboard"