# default shell
set-option -g default-shell /bin/zsh
set-option -g status-position top

# tmux theme
source-file "${XDG_CONFIG_HOME}/tmux/tmux.theme"

# Remap prefix from 'C-b' to 'C-a'
unbind C-b
set-option -g prefix C-a
bind-key C-a send-prefix

# split panes using | and -
unbind '"'
unbind %
bind | split-window -h -c "#{pane_current_path}" # -c openes it in the current directory
bind - split-window -v -c "#{pane_current_path}"

# History limit increase
set -g history-limit 50000

# reload config
bind C-r source-file ${XDG_CONFIG_HOME}/tmux/tmux.conf \; display "Config reloaded!"

# switch panes using Alt-arrow without prefix - detect when we are in vim and switch panes there instead
is_vim="ps -o state= -o comm= -t '#{pane_tty}' | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|l?n?vim?x?)(diff)?$'"
bind -n M-Left  if-shell "$is_vim" 'send-keys M-Left'  'select-pane -L'
bind -n M-Right if-shell "$is_vim" 'send-keys M-Right'  'select-pane -R'
bind -n M-Up    if-shell "$is_vim" 'send-keys M-Up'  'select-pane -U'
bind -n M-Down  if-shell "$is_vim" 'send-keys M-Down'  'select-pane -D'

# vim style switch pane
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

bind -r H resize-pane -L 5
bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r L resize-pane -R 5

# Enable mouse control (clickable windows, panes, resizable panes)
set -g mouse on

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

# Timeout for display messages (in milliseconds)
set -g display-time 1000

# Plugins
set -g @plugin 'tmux-plugins/tpm'
#set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-prefix-highlight'

bind -T copy-mode    C-c send -X copy-pipe-no-clear "xclip -sel clip"
bind -T copy-mode-vi C-c send -X copy-pipe-no-clear "xclip -sel clip"

# Fix numbering for easy switching
set -g base-index 1
setw -g pane-base-index 1
set -g renumber-windows on

## init tpm
run ${XDG_CONFIG_HOME}/tmux/plugins/tpm/tpm