dot_tmux.conf.tmpl

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

setw -q -g utf8 on # enable utf-8 mode

# forces tmux to honor vim colorscheme
set -g default-terminal "screen-256color"

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

# reload config file
bind r source-file ~/.tmux.conf \; display "config reloaded"

# map C-l to clear screan
bind-key l send-keys C-l

# don't rename windows automatically
set-option -g allow-rename off
# auto renumber windows on close
set -g renumber-windows on

# starts counting windows and panes at 1
set -g base-index 1
set -g pane-base-index 1

# switch panes using Alt-arrow without prefix
bind -n M-Left select-pane -L
bind -n M-Right select-pane -R
bind -n M-Up select-pane -U
bind -n M-Down select-pane -D

# switch panes using vi layout
#bind -n C-h select-pane -L
#bind -n C-l select-pane -R
#bind -n C-j select-pane -D
#bind -n C-k select-pane -U

# 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)?$'"
#bind-key -n 'C-h' if-shell "$is_vim" 'send-keys C-h'  'select-pane -L'
#bind-key -n 'C-j' if-shell "$is_vim" 'send-keys C-j'  'select-pane -D'
#bind-key -n 'C-k' if-shell "$is_vim" 'send-keys C-k'  'select-pane -U'
#bind-key -n 'C-l' if-shell "$is_vim" 'send-keys C-l'  'select-pane -R'
tmux_version='$(tmux -V | sed -En "s/^tmux ([0-9]+(.[0-9]+)?).*/\1/p")'
if-shell -b '[ "$(echo "$tmux_version < 3.0" | bc)" = 1 ]' \
    "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\'  'select-pane -l'"
if-shell -b '[ "$(echo "$tmux_version >= 3.0" | bc)" = 1 ]' \
    "bind-key -n 'C-\\' if-shell \"$is_vim\" 'send-keys C-\\\\'  'select-pane -l'"

# use vi style mappings
set-window-option -g mode-keys vi
bind P paste-buffer 
bind-key -T copy-mode-vi v send-keys -X begin-selection 
#bind-key -T copy-mode-vi y send-keys -X copy-selection 
#bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel 'xclip -in -selection clipboard'
bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel 'pbcopy'
bind-key -T copy-mode-vi r send-keys -X rectangle-toggle

# List of plugins
set -g @plugin 'tmux-plugins/tpm'
#set -g @plugin 'tmux-plugins/tmux-sensible'
#set -g @plugin 'odedlaz/tmux-onedark-theme'

# Other examples:
# set -g @plugin 'github_username/plugin_name'
# set -g @plugin 'github_username/plugin_name#branch'
# set -g @plugin 'git@github.com:user/plugin'
# set -g @plugin 'git@bitbucket.com:user/plugin'

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