path: root/configs/shared/tmux/.tmux.conf

################################################################################
# Dev Loop
################################################################################

# Re-source tmux. Useful while working in this file
bind-key R source-file ~/.tmux.conf \; \
                   display-message "source-file done"


################################################################################
# Tmux Plugins
################################################################################

set -g @plugin 'dalejung/tmux-select-pane-no-wrap'

set -g @plugin 'tmux-plugins/tmux-copycat'
set -g @copycat_next 'p'
set -g @copycat_prev 'n'
set -g @plugin 'arcticicestudio/nord-tmux'

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

################################################################################
# Context Helpers
################################################################################

# Convenience defn for creating vim-specific kbd behavior
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"

is_vim_or_emacs="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?|emacs)(diff)?$'"



################################################################################
# Tmux Leader
################################################################################

# change tmux leader
unbind C-b
set -g prefix C-q
bind C-q send-prefix


################################################################################
# Colors
################################################################################

# COLORS!
set -g default-terminal "screen-256color"
set-option -sa terminal-overrides ",xterm*:Tc"


################################################################################
# Copy Paste
################################################################################

# Copy-paste integration
set-option -g default-command "reattach-to-user-namespace -l zsh"

# copy text like it's Vim
bind -n Escape if-shell "${is_vim_or_emacs}" "send-keys Escape" copy-mode

# Use vim keybindings in copy mode
setw -g mode-keys vi

# Setup 'v' to begin selection as in Vim
bind -Tcopy-mode-vi v send -X begin-selection
bind -Tcopy-mode-vi y send -X copy-pipe-and-cancel "reattach-to-user-namespace pbcopy"
bind -Tcopy-mode-vi Escape send -X cancel
bind -Tcopy-mode-vi V send -X rectangle-toggle

# Update default binding of `Enter` to also use copy-pipe
unbind -Tcopy-mode Enter
bind -Tcopy-mode Enter send -X copy-pipe-and-cancel "reattach-to-user-namespace pbcopy"

# Bind ']' to use pbpaste
bind ] run "reattach-to-user-namespace pbpaste | tmux load-buffer - && tmux paste-buffer"


################################################################################
# Windows
################################################################################

# Transpose window layouts
bind-key -n M-r rotate-window -D

# start window indicies at 1
set -g base-index 1

# window naming nonsense
set-window-option -g automatic-rename on
set-window-option -g allow-rename off

# Easier window swaps
bind -n C-left swap-window -t -1
bind -n C-right swap-window -t +1

# Easier window moves
bind -n m-left previous-window
bind -n m-right next-window

# Option/Meta + number to jump to window
bind -n m-0 select-window -t 0
bind -n m-1 select-window -t 1
bind -n m-2 select-window -t 2
bind -n m-3 select-window -t 3
bind -n m-4 select-window -t 4
bind -n m-5 select-window -t 5
bind -n m-6 select-window -t 6
bind -n m-7 select-window -t 7
bind -n m-8 select-window -t 8
bind -n m-9 select-window -t 9

# split window shortcuts, maintaing the working directory
bind-key -n M-\ split-window -h -c '#{pane_current_path}'
bind-key -n M-- split-window -v -c '#{pane_current_path}'

# new window
bind-key -n M-c new-window -c "#{pane_current_path}"

# rename window
bind-key -n M-, command-prompt -p "Rename window: " "rename-window '%%'"

# maintain working directory for default tmux splits/new window
bind '"' split-window -c "#{pane_current_path}"
bind % split-window -h -c "#{pane_current_path}"
bind c new-window -c "#{pane_current_path}"


################################################################################
# Panes
################################################################################

# Maximize current pane
bind-key -n M-z resize-pane -Z

# Pane resizing
bind -n M-H resize-pane -L 5
bind -n M-J resize-pane -D 5
bind -n M-K resize-pane -U 5
bind -n M-L resize-pane -R 5

# Delete pane (without confirmation)
bind-key -n M-q if-shell "${is_vim_or_emacs}" "send-keys M-q" kill-pane

# Pane movement: Bindings from "christoomey/vim-tmux-navigator"
bind-key -n M-h if-shell "${is_vim_or_emacs}" "send-keys M-h" "select-pane -L"
bind-key -n M-j if-shell "${is_vim_or_emacs}" "send-keys M-j" "select-pane -D"
bind-key -n M-k if-shell "${is_vim_or_emacs}" "send-keys M-k" "select-pane -U"
bind-key -n M-l if-shell "${is_vim_or_emacs}" "send-keys M-l" "select-pane -R"


################################################################################
# Sessions
################################################################################

# Toggle last session
bind -n m-L switch-client -l

# Traverse sessions by index
bind -n m-p switch-client -p
bind -n m-n switch-client -n

# Select from current sessions
bind -n m-s choose-session


################################################################################
# Misc
################################################################################

# fix for slow ESC issues
set -s escape-time 0

# Make tmux work like vi
set-window-option -g mode-keys vi

# Click to select and resize panse.
# NOTE: you must now hold option to select text with the mouse!
set -g mouse on


################################################################################
# Tmux Plugin Manager (TPM)
################################################################################

# ensures tpm is present and plugins are installed
# recommended here: https://github.com/tmux-plugins/tpm/blob/c5c997bdde5d6a46d4b852e0a8164a30ca1dd0a4/docs/automatic_tpm_installation.md
if "test ! -d ~/.tmux/plugins/tpm" \
   "run 'git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm && ~/.tmux/plugins/tpm/bin/install_plugins'"

# bootstrap plugins
run '~/.tmux/plugins/tpm/tpm'

# run install script
# TPM tells you to do this by hand via prefix + I, which is nonsense.
# This way starting up tmux installs missing plugins.
# For some reason this still fails to start all of them, prefix + I within tmux fixes it for now.
run '~/.tmux/plugins/tpm/scripts/install_plugins.sh'