.tmux.conf

# ===== general =====

set -g default-command "${SHELL}"
setw -g extended-keys on

set -s escape-time 10
set -sg repeat-time 600
set -s focus-events on

set -g history-limit 50000

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

# edit configuration
bind e new-window -n '~/.tmux.conf' "sh -c '\${EDITOR:-vim} ~/.tmux.conf'"

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


# ===== display =====
set -g status-position top
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 display-panes-time 800 # slightly longer pane indicators display time
set -g display-time 1500      # slightly longer status messages display time

set -g status-interval 5     # redraw status line every 10 seconds


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


# ===== navigation =====
bind -T prefix c new-window -c '#{pane_current_path}'

bind '\' split-window  -h -c '#{pane_current_path}' # split vertically
bind '|' split-window -fh -c '#{pane_current_path}' # split full-height vertically
bind '-' split-window  -v -c '#{pane_current_path}' # split horizontally
bind '_' split-window -fv -c '#{pane_current_path}' # split full-width horizontally
if-shell 'command -v htop' \
  "bind '%'  split-window -fh 'htop'"
unbind '"'

set -g mouse on

# make scrolling with wheels work
# https://gist.github.com/rodricels/7951c3bd505d343b07309b76188af9b3
# https://stackoverflow.com/a/33461197/6719067
# bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if-shell -Ft= '#{pane_in_mode}' 'send-keys -M' 'select-pane -t=; copy-mode -e; send-keys -M'"
# bind -n WheelDownPane select-pane -t= \; send-keys -M

# make arrows do not repetitive
bind-key -T prefix Up    select-pane -U
bind-key -T prefix Down  select-pane -D
bind-key -T prefix Right select-pane -R
bind-key -T prefix Left  select-pane -L

bind > swap-pane -D             # swap current pane with the next one
bind < swap-pane -U             # swap current pane with the previous one

# maximize current pane
bind Enter resize-pane -Z
unbind z

# window navigation
unbind n
unbind p
bind Tab next-window
bind S-Tab previous-window


# ===== custom key bindings =====
bind / command-prompt -I "man " "split-window -fh 'exec %%'"
bind S command-prompt -I "ssh " "new-window -n '%1' '%%'"

# ===== theme =====
set -g status-style "bg=black,fg=white"
set -g pane-border-style "fg=brightblack,bg=default"
set -g pane-active-border-style "fg=cyan,bg=default"

set -g mode-style "fg=black,bg=cyan"

set -g message-command-style "fg=cyan,bg=brightblack"
set -g message-style "fg=cyan,bg=brightblack"

set -g status-left "#[fg=white,bold] #S "
set -g status-right "#{prefix_highlight}#[fg=white,bg=brightblack]"

set -g window-status-format " #I #W #F "
set -g window-status-style "fg=white"
set -g window-status-bell-style "fg=white,bg=brightblack"
set -g window-status-activity-style "fg=white,bg=brightblack"
set -g window-status-current-format " #I #W #F "
set -g window-status-current-style "fg=black,bg=white"
set -g window-status-separator ""

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

set -g @plugin 'tmux-plugins/tmux-prefix-highlight'
set -g @prefix_highlight_fg 'black'
set -g @prefix_highlight_bg 'cyan'
set -g @prefix_highlight_show_copy_mode 'on'
set -g @prefix_highlight_copy_mode_attr 'fg=black,bg=cyan'
set -g @prefix_highlight_show_sync_mode 'on'
set -g @prefix_highlight_sync_mode_attr 'fg=black,bg=cyan'

if-shell "test ! -d ~/.tmux/plugins/tpm" \
   "run 'git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm && ~/.tmux/plugins/tpm/bin/install_plugins'"
run -b '~/.tmux/plugins/tpm/tpm'