tmux.conf

# Set prefix key to Ctrl-space instead of default Ctrl-b
unbind C-b
set -g prefix C-Space
bind C-Space send-prefix

# Split panes using | and -
# Open the new pane with the same path as the existing pane
bind | split-window -h -c '#{pane_current_path}'
bind - split-window -v -c '#{pane_current_path}'
unbind '"'
unbind %

# Move tmux window left and right using Ctrl+Shift+<Arrow-Direction>
# Tmux updated the swap-window command to not follow the pane, so the -d
# reverts to the old functionality
# Not that when using these dotfiles on a mac with the Alacritty terminal, this
# configuration is overridden by the alacritty key mappings
bind-key -n C-S-Left swap-window -d -t -1
bind-key -n C-S-Right swap-window -d -t +1

# Reload the tmux config file
# Prefix-r
bind r source-file ~/.tmux.conf \; display "Reloaded!"

# Act like vim when moving around
# Switch panes with Vim movements
# Prefix-h - move left
# Prefix-j - move down
# Prefix-k - move up
# Prefix-l - move right
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# Start windows and pane numbering with index 1 instead of 0
set -g base-index 1
setw -g pane-base-index 1

# Re-number windows when one is closed
set -g renumber-windows on

# Disable confirm before killing
# Killing a pane is always Prefix-x, but this removes the confirmation
bind-key x kill-pane

# Increase history limit even larger than
# vim-sensibles 50,000
set -g history-limit 1000000

# Enable mouse mode (tmux 2.1 and above)
# Note that mouse support is not yet working in the Microsoft Terminal
# https://github.com/microsoft/terminal/issues/545
set -g mouse on

# ------------------------------------------------e-------------------
# Copy Config
# --------------------------------------------------------------------
# Use v to start selection in copy mode (like vim)
bind-key -T copy-mode-vi 'v' send-keys -X begin-selection

# Use y to copy selected text in copy mode (like vim)
#  - Windows
# bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "clip.exe"
#  - Linux
# bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "xclip -in -selection clipboard"
#  - Mac
bind-key -T copy-mode-vi 'y' send -X copy-selection

# Select and copy with mouse
#  - Windows
# bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "clip.exe"
#  - Linux
# bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-pipe-and-cancel "xclip -in -selection clipboard"

# ------------------------------------------------e-------------------
# / End Copy Config
# --------------------------------------------------------------------

# List of plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
###################################################
# Tmux-sensible does all of the following:
###################################################
# # utf8 is on
# set -g utf8 on
# set -g status-utf8 on

# # address vim mode switching delay (http://superuser.com/a/252717/65504)
# set -s escape-time 0

# # increase scrollback buffer size
# set -g history-limit 50000

# # tmux messages are displayed for 4 seconds
# set -g display-time 4000

# # refresh 'status-left' and 'status-right' more often
# set -g status-interval 5

# # set only on OS X where it's required
# set -g default-command "reattach-to-user-namespace -l $SHELL"

# # upgrade $TERM
# set -g default-terminal "screen-256color"

# # emacs key bindings in tmux command prompt (prefix + :) are better than
# # vi keys, even for vim users
# set -g status-keys emacs

# # focus events enabled for terminals that support them
# set -g focus-events on

# # super useful when using "grouped sessions" and multi-monitor setup
# setw -g aggressive-resize on

# # easier and faster switching between next/prev window
# bind C-p previous-window
# bind C-n next-window
###################################################
# End Tmux-sensible
###################################################

# -------------------------------------------------
# Themes
# -------------------------------------------------

# Catppuccin Theme
thm_black="#24273a"
thm_green="#a6da95"

set -g @plugin 'catppuccin/tmux'
set -g @catppuccin_flavor 'macchiato' # latte (light), frappe, macchiato, mocha
set -g @catppuccin_window_status_style "rounded"
set -g @catppuccin_window_text " #{window_name}"
set -g @catppuccin_window_current_text " #{window_name}"

# Add tmux session name
set "status-left" "#[fg=$thm_black,bg=$thm_green,bold] #S #{prefix_highlight}#[fg=$thm_green,bg=$thm_black,nobold,nounderscore,noitalics]"

# -------------------------------------------------
# / End Themes
# -------------------------------------------------

set -g default-terminal "tmux-256color"

# I don't really understand this terminal overrides setting, but it's needed
# to make nvim colors show up correctly when using tmux in alacritty
# Keeping the two options below in case it needs to be switched for other
# terminals (like the Windows terminal) in the future
# set-option -ga terminal-overrides "alacritty:Tc"
# set -ga terminal-overrides ',xterm-256color:Tc'
# set -ga terminal-overrides ",*256col*:Tc"

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