# Core options (https://github.com/tmux-plugins/tmux-sensible)
#

# address vim mode switching delay (http://superuser.com/a/252717/65504)
set -s escape-time 0

# increase scrollback buffer size
set -g history-limit 50000

# tmux messages are displayed for 4 seconds
set -g display-time 4000


# upgrade $TERM
set -g default-terminal "screen-256color"

# focus events enabled for terminals that support them
set -g focus-events on

# super useful when using "grouped sessions" and multi-monitor setup
setw -g aggressive-resize on

# ===========================================================================
# Other options

set -q -g status-utf8 on                  # expect UTF-8 (tmux < 2.2)
setw -q -g utf8 on

set -g status on
# refresh 'status-left' and 'status-right' more often
set -g status-interval 5
set -g status-justify left
set -g status-position bottom
set -g status-keys vi
# Set status bar background and foreground color.
set -g status-style fg=colour136,bg="#002b36"
set -g status-left-style default
set -g status-left "#[fg=green] ❐ #S #[default]"
set -g status-right-style default

# Set the inactive window color and style
set -g window-status-style fg=colour244,bg=default
set -g window-status-format ' #I #W '
# Set the active window color and style
set -g window-status-current-style fg=black,bg=colour136
set -g window-status-current-format ' #I #W '

# Colors for pane borders(default)
setw -g pane-border-style fg=colour240,bg=default
setw -g pane-active-border-style fg=green,bg=default

# C-b is not acceptable -- Vim uses it
set-option -g prefix C-a
bind-key C-a last-window
unbind-key C-b

set -g base-index 1         # start windows numbering at 1
setw -g pane-base-index 1   # make pane numbering consistent with windows

setw -g automatic-rename on # rename window to reflect current program
set -g renumber-windows on # renumber windows when a window is closed

set -g set-titles on                        # set terminal title
set -g set-titles-string '❐ #S ● #I #W'

set -g display-panes-time 800 # slightly longer pane indicators display time

# Notifications
setw -g monitor-activity on
setw -g visual-activity on

# Auto rename
set-window-option -g automatic-rename off
set-option -g allow-rename off

# Allows us to use C-a a <command> to send commands to a TMUX session inside 
# another TMUX session
bind-key a send-prefix

# Activity monitoring
setw -g monitor-activity on
set -g visual-activity on

# Split windows into panes: CTRL-A + h or v
bind-key h split-window -v -c '#{pane_current_path}'
bind-key v split-window -h -c '#{pane_current_path}'

# Set up resize-pane keys: CTRL-ALT + h l j k
bind-key -n C-M-h resize-pane -L 1
bind-key -n C-M-l resize-pane -R 1
bind-key -n C-M-j resize-pane -D 1
bind-key -n C-M-k resize-pane -U 1

# Switch windows: CTRL-ALT + left or right arrows
bind-key -n C-M-Left previous-window
bind-key -n C-M-Right next-window

set-window-option -g mode-keys vi

# -- copy mode -----------------------------------------------------------------

bind Enter copy-mode # enter copy mode

run -b 'tmux bind -t vi-copy v begin-selection 2> /dev/null || true'
run -b 'tmux bind -T copy-mode-vi v send -X begin-selection 2> /dev/null || true'
run -b 'tmux bind -t vi-copy C-v rectangle-toggle 2> /dev/null || true'
run -b 'tmux bind -T copy-mode-vi C-v send -X rectangle-toggle 2> /dev/null || true'
run -b 'tmux bind -t vi-copy y copy-selection 2> /dev/null || true'
run -b 'tmux bind -T copy-mode-vi y send -X copy-selection-and-cancel 2> /dev/null || true'
run -b 'tmux bind -t vi-copy Escape cancel 2> /dev/null || true'
run -b 'tmux bind -T copy-mode-vi Escape send -X cancel 2> /dev/null || true'
run -b 'tmux bind -t vi-copy H start-of-line 2> /dev/null || true'
run -b 'tmux bind -T copy-mode-vi L send -X end-of-line 2> /dev/null || true'

# copy to Mac OSX clipboard
if -b 'command -v reattach-to-user-namespace > /dev/null 2>&1' 'bind y run -b "tmux save-buffer - | reattach-to-user-namespace pbcopy"'

# copy to X11 clipboard
if -b 'command -v xsel > /dev/null 2>&1' 'bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "xsel -i -p && xsel -o -p | xsel -i -b"'

# copy to Ms Windows clipboard
if -b '[ -c /dev/clipboard ]' 'bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "tmux save-buffer - > /dev/clipboard"'

# Move windows on the left (/) or on the right (*)
bind-key / swap-window -t -1
bind-key * swap-window -t +1

# Reload tmux config
unbind r
bind r source-file ~/.tmux.conf \; display-message "config reloaded!"

# Plugins

set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'laktak/extrakto'
set -g @extrakto_split_size "10"

# run tpm
run -b '~/.tmux/plugins/tpm/tpm'

# =========================== END OF FILE ===================================