.tmux.conf

# Prefix shoulb be b (ctrl + b)
set -g prefix ^b
set-option -g history-limit 4000
set-option -g default-shell "${SHELL}"

# use vim keybindings in copy mode
setw -g mode-keys vi

set -g focus-events off

# Tmux should be pretty, we need 256 color for that
set -g default-terminal "screen-256color"
set -ga terminal-overrides ",xterm-256color:Tc"

# Synchronize between all panes
bind e setw synchronize-panes on
bind E setw synchronize-panes off

# Set the time in milliseconds for which tmux waits after an escape is input to
# determine if it is part of a function or meta key sequences.
# The default is 500 milliseconds.
set -sg escape-time 1

# Start counting from 1 (defult is 0)
set-option -g base-index 1
setw -g pane-base-index 1

# reload ~/.tmux.conf using PREFIX r
bind r source-file ~/.tmux.conf \; display "Configuration reloaded!"

# use | to split window horizontally and - to split vertically
bind | split-window -h -c "#{pane_current_path}"
bind - split-window -v -c "#{pane_current_path}"
bind-key c new-window -c '#{pane_current_path}'

# map Vi movement keys as pane movement keys
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# ----------------------
# Status Bar
# -----------------------
set-option -g status on
set -g status-interval 5
set -g status-justify centre

# Uncomment to change the status bar position to top
# set-option -g status-position top

# set color for status bar
set-option -g status-bg colour235
set-option -g status-fg yellow

# show host name and IP address on left side of status bar
set -g status-left-length 120
set -g status-left "#[fg=green]| ${USER}@#h |"

# show session name, window & pane number, date and time on right side of
# status bar
set -g status-right-length 60
set -g status-right "#[fg=blue]| %H:%M | #[fg=yellow]%d %b %Y | "

# set titles
set -g set-titles on
set -g set-titles-string "#T : #h"

# NOTE: Yank (y) is done by the tmux-yank plugin (at the end of the file)
# NOTE: The key binding for copy mode was changed recently;
#   https://github.com/tmux/tmux/issues/754
unbind-key -T copy-mode-vi Space     ;   bind-key -T copy-mode-vi v send-keys -X begin-selection
unbind-key -T copy-mode-vi C-v       ;   bind-key -T copy-mode-vi C-v send-keys -X rectangle-toggle
unbind-key -T copy-mode-vi [         ;   bind-key -T copy-mode-vi [ send-keys -X begin-selection
unbind-key -T copy-mode-vi ]         ;   bind-key -T copy-mode-vi ] send-keys -X copy-selection

# visual notification of activity in other windows
setw -g monitor-activity on
set -g visual-activity off

# Resize panes Shift + Up/Down/Left/Right
bind-key -n S-Up resize-pane -U 5
bind-key -n S-Down resize-pane -D 5
bind-key -n S-Left resize-pane -L 10
bind-key -n S-Right resize-pane -R 10

# Bind F12 to control outer (ssh) or inner (local) session
# Useful for when we want to nested tmux session and not press prefix
# twice
bind -T root F12  \
    set prefix None \;\
    set key-table off \;\
    display "Nested tmux session"
    refresh-client -S

bind -T off F12 \
    set -u prefix \;\
    set -u key-table \;\
    display "Local tmux"
    refresh-client -S

# Needed for tmux-yank plugin
# set-option -g default-command 'reattach-to-user-namespace -l zsh'

# List of plugins
set -g @plugin 'tmux-plugins/tpm' # https://github.com/tmux-plugins/tpm */
set -g @plugin 'tmux-plugins/tmux-yank' # https://github.com/tmux-plugins/tmux-yank
# NOTE this requires urlview; `brew install urlview`
# Use with prefix => u (ctrl + b => u)
set -g @plugin 'tmux-plugins/tmux-urlview' # https://github.com/tmux-plugins/tmux-urlview
# Usage: prefix => ctrl + s to save env (ctrl + b => ctrl + s)
#        prefix => ctrl + r to restore env (ctrl + b => ctrl + r)
set -g @plugin 'tmux-plugins/tmux-resurrect' # https://github.com/tmux-plugins/tmux-resurrect

# Plugins config
set -g @yank_selection 'clipboard' # tmux-yank clipboard

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
run '~/.tmux/plugins/tpm/tpm'