########################
## TMUX CONFIGURATION ##
########################

# by Flo Slv

# ~/.tmux.conf


# Add color for VIM and NEOVIM.
# set -g default-terminal "xterm-256color" # FOR VIM
set -g default-terminal "screen-256color" # FOR NEOVIM
set -ga terminal-overrides ",*256col*:Tc"


####################
# KEYBOARD CHANGES #
####################

# ctrl+b become ctrl+z.
set -g prefix C-z
unbind C-b
bind C-z send-prefix

# ctrl+h or ctrl+l to navigate between windows.
bind-key -n C-l next
bind-key -n C-h prev

# alt + hjkl to navigate between panels.
# Smart pane switching with awareness of Vim splits.
# See: https://github.com/christoomey/vim-tmux-navigator
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
	| grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"

bind-key -n 'M-h' if-shell "$is_vim" 'send-keys M-h'  'select-pane -L'
bind-key -n 'M-j' if-shell "$is_vim" 'send-keys M-j'  'select-pane -D'
bind-key -n 'M-k' if-shell "$is_vim" 'send-keys M-k'  'select-pane -U'
bind-key -n 'M-l' if-shell "$is_vim" 'send-keys M-l'  'select-pane -R'

bind-key -T copy-mode-vi 'M-h' select-pane -L
bind-key -T copy-mode-vi 'M-j' select-pane -D
bind-key -T copy-mode-vi 'M-k' select-pane -U
bind-key -T copy-mode-vi 'M-l' select-pane -R

# x to do an vertical split.
bind v split-window -h
# s to do an horizontal split.
bind h split-window -v

# Resize panes with C-z + arrows.
bind right resize-pane -R 10
bind left resize-pane -L 10
bind up resize-pane -U 10
bind down resize-pane -D 10

# Swap windows
bind a swap-window -t -1
bind g swap-window -t +1

# Swap panes
bind A swap-pane -t -1  
bind G swap-pane -t +1  


##################
# USEFUL CHANGES #
##################

# Can use mouse inside Tmux.
set -g mouse on

# Reload configuration.
bind r source-file ~/.tmux.conf \; display '.tmux.conf sourced !'

# Increase history limit from 2000 to 5000 lines.
set-option -g history-limit 5000

# To avoid Neovim warning
set-option -sg escape-time 10

# For Neovim/Vim
set -g focus-events on


##################
# VISUAL CHANGES #
##################

set -g base-index 1            # Start windows numbering at 1.
set -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 display-panes-time 800  # Slightly longer pane indicators display time.
set -g display-time 2000       # Slightly longer status messages display time.

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

# Non active panes
set-option -g pane-border-style fg='#ffffff'

# Active pane
set-option -g pane-active-border-style fg='#eb6f92'

# Change text color for non active and active panes.
set-window-option -g window-style fg=colour247
set-window-option -g window-active-style fg=colour255

# Status right bar to display df -h
# set -g status-right '/ #{df_avail}O #{df_percent}'

# Tmux powerline
set-option -g status on
set-option -g status-interval 1        # Redraw status every 1 sec.
set-option -g status-justify "centre"
set-option -g status-left-length 60
set-option -g status-right-length 90
set-option -g status-left "#(~/.tmux/plugins/tmux-powerline/powerline.sh left)"
set-option -g status-right "#(~/.tmux/plugins/tmux-powerline/powerline.sh right)"

# Prettifies the window-status segments.
set-hook -g session-created 'run-shell "~/.tmux/plugins/tmux-powerline/powerline.sh init"'


###########
# PLUGINS #
###########

# Tmux Sessionizer.
# https://github.com/jrmoulton/tmux-sessionizer
bind C-f display-popup -E "tms"
bind C-s display-popup -E "tms switch"

# List of plugins
set -g @plugin 'tmux-plugins/tpm'          # TMUX plugin manager.
set -g @plugin 'tassaron/tmux-df'          # Output df -h in Tmux statusbar.

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