.tmux.conf

set -g default-shell /usr/bin/zsh
#set -g default-command "reattach-to-user-namespace -l zsh"
#
# tmux display things in 256 colors
set -g default-terminal "screen-256color"
# set -g status-utf8 on

# automatically renumber tmux windows
set -g renumber-windows on

# unbind default prefix and set it to Ctrl+a
# unbind C-b
# set -g prefix C-a
# bind C-a send-prefix

# for nested tmux sessions
# bind-key a send-prefix

# Activity Monitoring
setw -g monitor-activity off
set -g visual-activity off

# Rather than constraining window size to the maximum size of any client
# connected to the *session*, constrain window size to the maximum size of any
# client connected to *that window*. Much more reasonable.
setw -g aggressive-resize on

# make delay shorter
set -sg escape-time 0

# make window/pane index start with 1
# because swapping between my first and second window shouldn’t happen on opposite ends of a standard keyboard layout.
set -g base-index 1
setw -g pane-base-index 1

######################
#### Key Bindings ####
######################

# reload config file
bind r source-file ~/.tmux.conf \; display "Config Reloaded!"

# synchronize all panes in a window
# bind y setw synchronize-panes

# pane movement shortcuts
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

bind -r C-h select-window -t :-
bind -r C-l select-window -t :+

# Resize pane shortcuts
bind -r H resize-pane -L 10
bind -r J resize-pane -D 10
bind -r K resize-pane -U 10
bind -r L resize-pane -R 10

# to always join the most recently visited window...
# bind-key @ join-pane -h -s !
bind-key @ choose-window 'join-pane -h -s "%%"'

# pane movement
# bind-key j command-prompt -p "join pane from:"  "join-pane -s '%%'"
# bind-key s command-prompt -p "send pane to:"  "join-pane -t '%%'"

# enable mouse support for switching panes/windows
# NOTE: This breaks selecting/copying text on OSX
# To select text as expected, hold Option to disable it (iTerm2)
# setw -g mode-mouse on
# set -g mouse-select-pane on
# set -g mouse-resize-pane on
# set -g mouse-select-window on

# set vi mode for copy mode
setw -g mode-keys vi

# more settings to make copy-mode more vim-like
unbind [
bind Escape copy-mode
unbind p
bind p paste-buffer
#bind -T copy-mode-vi 'v' begin-selection
bind-key -T copy-mode-vi v send-keys -X begin-selection
# bind -T copy-mode-vi 'y' copy-selection
bind-key -T copy-mode-vi y send-keys -X copy-selection

# bind y run-shell "tmux show-buffer | xclip -sel clip -i" \; display-message "Copied tmux buffer to system clipboard"

bind '"' split-window -c "#{pane_current_path}"
bind '%' split-window -h -c "#{pane_current_path}"
bind c new-window -c "#{pane_current_path}"

# Smart pane switching with awareness of Vim splits.
# See: https://github.com/christoomey/vim-tmux-navigator
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  "select-pane -L"
bind-key -n C-j  "select-pane -D"
bind-key -n C-k  "select-pane -U"
bind-key -n C-l  "select-pane -R"
bind-key -n C-\  "select-pane -l"

# 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"
# bind-key -n C-\ if-shell "$is_vim" "send-keys C-\\" "select-pane -l"

# Alternative to the above
#
# # Uncomment to enable navigation of tmux tabs
# PILOT_MODE=winonly
#
# # Uncomment to enable creation of tmux splits automatically
# PILOT_BOUNDARY=create
#
# PILOT_ROOT=$HOME/.vim/plugged/vim-tmux-pilot
# source-file $PILOT_ROOT/pilot.tmux

bind Space next-layout

# List of plugins
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-yank'
set -g @plugin 'tmux-plugins/tmux-open'
set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @plugin 'tmux-plugins/tmux-copycat'
set -g @open-editor 'o'
set -g @copycat_next 'N'
set -g @copycat_prev 'n'
# set -g @shell_mode 'vi'

# Other examples:
# set -g @plugin 'github_username/plugin_name'
# set -g @plugin 'git@github.com/user/plugin'
# set -g @plugin 'git@bitbucket.com/user/plugin'

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