.tmux.conf

# ~/.tmux.conf

# Unbind existing tmux key bindings (except 0-9).
set-option -g renumber-windows on

# Allow using the mouse
set -g mouse on

# Set the prefix to both ^b and ^a.
set-option -g prefix2 C-b

# Reduce the delay after sending commands
set -s escape-time 1

# Set the base index for windows to 1 instead of 0
set -g base-index 1

# Set the base index for panes to 1 instead of 0
setw -g pane-base-index 1

# enable vim keys.
setw -g mode-keys vi

# Vim-like moving between panes
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# Move seamlessly between tmux panes and vim - to not clober the bindings of
# ctrl-j and ctrl-k for fzf panes we check that the focussed is vim first
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"

# Vim-like resize bindings
bind -r H resize-pane -L 5
bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r L resize-pane -R 5

# Vim-like copy-paste
bind -T copy-mode-vi v send-keys -X begin-selection
bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "xclip -i -f -selection primary | xclip -i -selection clipboard"
unbind p
bind p paste-buffer

# More straight forward key bindings for splitting
bind | split-window -h -c "#{pane_current_path}"
bind - split-window -v -c "#{pane_current_path}"

# History
set -g history-limit 1000

# Colours
set-option -g default-terminal "tmux-256color"
set-option -sa terminal-overrides ',alacritty:RGB'

# Fix to make autoread work in nvim (recommended in :checkhealth)
set-option -g focus-events on

# Terminal emulator window title
set -g set-titles on
set -g set-titles-string '#S:#I.#P #W'

# Notifying if other windows has activities
setw -g monitor-activity on
set -g visual-activity on

# Clock
setw -g clock-mode-colour green
setw -g clock-mode-style 24

source-file ~/tmux-gruvbox-dark.conf