Tmux configuration

.tmux.conf

set -g default-terminal "tmux-256color"
set -ag terminal-overrides ",xterm-256color:RGB"

set -g prefix C-a
unbind C-b
bind-key C-a send-prefix

unbind %
bind | split-window -h

unbind '"'
bind - split-window -v

unbind r
bind r source-file ~/.tmux.conf

bind j resize-pane -D 5
bind k resize-pane -U 5
bind l resize-pane -R 5
bind h resize-pane -L 5

bind -r m resize-pane -Z

set -g mouse on

set-window-option -g mode-keys vi

bind-key -T copy-mode-vi 'v' send -X begin-selection # start selecting text with "v"
bind-key -T copy-mode-vi 'y' send -X copy-selection # copy text with "y"

unbind -T copy-mode-vi MouseDragEnd1Pane # don't exit copy mode when dragging with mouse

# remove delay for exiting insert mode with ESC in Neovim
set -sg escape-time 10

# tpm plugin
set -g @plugin 'tmux-plugins/tpm'

# list of tmux plugins
set -g @plugin 'christoomey/vim-tmux-navigator'
set -g @plugin 'tmux-plugins/tmux-resurrect' # persist tmux sessions after computer restart
set -g @plugin 'tmux-plugins/tmux-continuum' # automatically saves sessions for you every 15 minutes
set -g @plugin 'fabioluciano/tmux-tokyo-night'


set -g @resurrect-capture-pane-contents 'on'
set -g @continuum-restore 'on'

# 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'"

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

# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
# git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm
run '~/.tmux/plugins/tpm/tpm'