.tmux.conf

# vim:fdm=marker

# Key bindings {{{

# Set prefix key
unbind-key C-b
set -g prefix C-Space
bind-key C-Space send-prefix

# Reload tmux configuration by hotkey Prefix r
bind-key R source-file ~/.tmux.conf \; display "Reloaded configuration"

# Make copy mode behaving more like vim.
# In the copy mode press:
# - v (instead of default Space) to begin selection.
# - V to toggle line selection.
# - C-v to toggle rectangular selection.
run-shell "tmux setenv -g TMUX_VERSION $(tmux -V | cut -c 6-)"
# bind-key syntax in Tmux versions < 2.4.
if-shell -b '[ "$(echo "$TMUX_VERSION < 2.4" | bc)" = 1 ]' \
  "bind-key -t vi-copy v   begin-selection; \
   bind-key -t vi-copy V   select-line; \
   bind-key -t vi-copy C-v rectangle-toggle; \
   bind-key -t vi-copy y   copy-selection"
# Newer versions (>= 2.4).
if-shell -b '[ "$(echo "$TMUX_VERSION >= 2.4" | bc)" = 1 ]' \
  "bind-key -T copy-mode-vi v   send -X begin-selection; \
   bind-key -T copy-mode-vi V   send -X select-line; \
   bind-key -T copy-mode-vi C-v send -X rectangle-toggle; \
   bind-key -T copy-mode-vi y   send -X copy-selection-and-cancel'"

# 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|l?n?vim?x?)(diff)?$'"
bind -n M-h if-shell "$is_vim" "send-keys M-h" "select-pane -L"
bind -n M-j if-shell "$is_vim" "send-keys M-j" "select-pane -D"
bind -n M-k if-shell "$is_vim" "send-keys M-k" "select-pane -U"
bind -n M-l if-shell "$is_vim" "send-keys M-l" "select-pane -R"
bind -n M-\\ if-shell "$is_vim" "send-keys M-\\" "select-pane -l"
# }}}

# Options {{{
set-option -g default-shell $SHELL
#set-option -g default-command /bin/zsh
set-option -g default-terminal "screen-256color"

# fix hotkeys in zsh?
set-window-option -g xterm-keys on

# Set initial index of windows and panes to be 1
set-option -g base-index 1
set-window-option -g pane-base-index 1

# Set time in ms which Tmux waits for a keystroke after pressing <prefix>.
set-option -s escape-time 1

# Increase scrollback history limit.
set-option -g history-limit 10000

# Use the window size of the client that had the most recent activity.
set-option -g window-size latest

# Prevent programs from changing window names.
set-window-option -g allow-rename off

# Renumber windows automatically
set-option -g renumber-windows on

# Work with buffer in vi mode
set-window-option -g mode-keys vi

# Work with command line in Emacs mode
set-option -g status-keys emacs

set-option -g mouse on

# Pass events from terminal to applications inside tmux.
# Suggested by neovim's :checkhealth so that 'autoread' works.
set-option -g focus-events on

# Enable true colors in neovim.
set-option -sa terminal-features "xterm-256color:RGB"

# This options (available for tmux 2.9+) set window title.
set-option -g set-titles on
set-option -g set-titles-string '#S'
# }}}

# Status-line theme {{{
if-shell "uname | grep -q Darwin" \
    "set -g @tmux-statusline-theme 'gruvbox-light-hard'"

if-shell "uname -a| grep -q Ubuntu" \
    "set -g @tmux-statusline-theme 'gruvbox-light-hard'"

if-shell "[ $MY_COLOR_THEME = 'solarized-light' ]" \
    "set -g @tmux-statusline-theme 'solarized-light'"
# }}}

# Plugins {{{
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @plugin 'tmux-plugins/tmux-continuum'
set -g @plugin 'tmux-plugins/tmux-pain-control'
set -g @plugin 'tmux-plugins/tmux-yank'
set -g @plugin 'nhdaly/tmux-better-mouse-mode'
set -g @plugin 'dmitry-kabanov/tmux-statusline-themes'

# Settings for `tmux-continuum` plugin.
# Automatically start tmux when computer starts and restore
# the last saved environment.
set -g @continuum-boot 'on'
set -g @continuum-restore 'on'
set -g @continuum-boot-options 'iterm'

# Initialize tmux plugin manager
run-shell '~/.tmux/plugins/tpm/tpm'
# }}}