# --------#
# General #
# --------#

# Default shell
set -g default-shell $SHELL

# Mouse
# enable mouse control by default - change 'off' to 'on' to enable by default.
set-option -g mouse on
# toggle mouse mode to allow mouse copy/paste
# set mouse on with prefix m
bind m \
    set-option -g mouse on \;\
    display 'Mouse: ON'
# set mouse off with prefix M
bind M \
    set-option -g mouse off \;\
    display 'Mouse: OFF'

# History
set -g history-limit 1024000

# Set windows and page index to base 1
set -g base-index 1
setw -g pane-base-index 2

# Re-number windows when creating/closing new windows
set -g renumber-windows on

# Use emacs key bindings in status line
set-option -g status-keys emacs

# Use vim key bindings in copy mode
setw -g mode-keys vi

# Fix ESC delay in vim
set -g escape-time 10

# ------------#
# Keybindings #
# ------------#

# Set prefix to C-a
unbind C-b
set -g prefix C-a

# Copy-mode
unbind-key -T copy-mode-vi v
bind-key -T copy-mode-vi v send-keys -X begin-selection
bind-key -T copy-mode-vi 'C-v' send-keys -X rectangle-toggle
bind-key -T copy-mode-vi y send-keys -X copy-pipe "pbcopy"
bind-key -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-selection-no-clear "pbcopy"
bind-key -T copy-mode-vi Escape send-keys -X cancel

# Send command on double press
bind C-a send-prefix

# Use prefix C-l to clear the visible scrollback lines
bind C-l send-keys 'C-l'

# Use prefix C-k to clear the scrolled off (hidden) buffer lines
bind C-k clear-history

# Reload tmux.conf on prefix r
bind r source-file ~/.tmux.conf \; display "Config reloaded!"

# Split panes and remember current path
bind '\' split-window -h -c '#{pane_current_path}'
bind - split-window -v -c '#{pane_current_path}'

# Remember current path when creating new windows
bind c new-window -c '#{pane_current_path}'

# Break pane into new window and keep focus on the current window
bind b break-pane -d

# Smart pane switching with awareness of Vim splits.
is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
bind-key -n C-h if-shell "$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"

bind-key -T copy-mode-vi C-h select-pane -L
bind-key -T copy-mode-vi C-j select-pane -D
bind-key -T copy-mode-vi C-k select-pane -U
bind-key -T copy-mode-vi C-l select-pane -R
bind-key -T copy-mode-vi 'C-\' select-pane -l

bind-key -T prefix h select-pane -L
bind-key -T prefix j select-pane -D
bind-key -T prefix k select-pane -U
bind-key -T prefix l select-pane -R
#bind-key -T prefix 'C-\' select-pane -l

# -----------#
# Status bar #
# -----------#

set-option -g status-justify left
set-option -g status-left '#[bg=colour72] #[bg=colour237] #[bg=colour236] #[bg=colour235]#[fg=colour185] #S #[bg=colour236] '
set-option -g status-left-length 16
set-option -g status-bg colour237
set-option -g status-right '#[bg=colour236] #[bg=colour235]#[fg=colour185] %a %R #[bg=colour236]#[fg=colour3] #[bg=colour237] #[bg=colour72] #[]'
set-option -g status-interval 60

set-option -g pane-active-border-style fg=colour246
set-option -g pane-border-style fg=colour238

set-window-option -g window-status-format '#[bg=colour238]#[fg=colour107] #I #[bg=colour239]#[fg=colour110] #[bg=colour240]#W#[bg=colour239]#[fg=colour195]#F#[bg=colour238] '
set-window-option -g window-status-current-format '#[bg=colour236]#[fg=colour215] #I #[bg=colour235]#[fg=colour167] #[bg=colour234]#W#[bg=colour235]#[fg=colour195]#F#[bg=colour236] '

# ----------- #
# Resize Pane #
# ----------- #

bind-key -r -T prefix C-k resize-pane -U 
bind-key -r -T prefix C-j resize-pane -D 
bind-key -r -T prefix C-h resize-pane -L 
bind-key -r -T prefix C-l resize-pane -R 

set -ga terminal-overrides ",*-256color:Tc"

bind-key -T prefix C-y run-shell -b "tmux save-buffer - | xclip -i -sel clipboard"


# Set new panes to open in current directory
bind c new-window -c "#{pane_current_path}"
bind '"' split-window -c "#{pane_current_path}"
bind % split-window -h -c "#{pane_current_path}"