essentials/dotfiles/tmux.conf

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#                                 #
#         Custom Binds            #
#                                 #
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# Rebind tmux prefix to <c-space> to match vim

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

set -s escape-time 0


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#                                 #
#            Colors               #
#                                 #
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set-option -g status-bg black                                    #base02
set-option -g status-fg yellow                                   #yellow
set-option -g status-attr default

set-window-option -g window-status-fg brightblue                 #base0
set-window-option -g window-status-bg default

set-window-option -g window-status-current-fg brightred          #orange
set-window-option -g window-status-current-bg default

set-option -g pane-border-fg black                               #base02
set-option -g pane-active-border-fg brightgreen                  #base01

set-option -g message-bg black                                   #base02
set-option -g message-fg brightred                               #orange

set-option -g display-panes-active-colour blue                   #blue
set-option -g display-panes-colour brightred                     #orange

set-window-option -g clock-mode-colour green                     #green

set-window-option -g window-status-bell-style fg=black,bg=red    #base02, red

# Once the prefix is active these binds will matter
# <prefix><Space> and <prefix><C-Space> take you to copy mode.

bind Space copy-mode
bind C-Space copy-mode

# Rebind window splitting
# <prefix>j and <prefix>l split vertically and horizontally, respectively
bind j split-window -v
bind C-j split-window -v

bind l split-window -h
bind C-l split-window -h

# Smart pane switching with awareness of vim splits
# This is the tmux side of the vim-tmux-navigator plugin
is_vim='echo "#{pane_current_command}" | grep -iqE "(^|\/)g?(view|n?vim?)(diff)?$"'
bind -n C-h if-shell "$is_vim" "send-keys C-h" "select-pane -L"
bind -n C-j if-shell "$is_vim" "send-keys C-j" "select-pane -D"
bind -n C-k if-shell "$is_vim" "send-keys C-k" "select-pane -U"
bind -n C-l if-shell "$is_vim" "send-keys C-l" "select-pane -R"
bind -n C-\ if-shell "$is_vim" "send-keys C-\\" "select-pane -l"

# Vim keybinds so copy mode behaves more like vim
bind-key -t vi-copy 'v' begin-selection
bind-key -t vi-copy 'y' copy-selection

# Vim keybind so that paste is done more naturally instead of with ]
bind p paste-buffer

###################################
#                                 #
#         Custom Settings         #
#                                 #
###################################


# Enable vi-like keybindings
set-window-option -g mode-keys vi

# Pass-through C-<arrow>
set-window-option -g xterm-keys on