# Settings for tmux

# Setting the prefix from C-b to C-a
set -g prefix C-a
#
# Free the original Ctrl-b prefix keybinding
unbind C-b
#
# Setting duration of time to show message
set-option -g display-time 4000
#setting the delay between prefix and command
set -s escape-time 1
#
# Ensure that we can send Ctrl-A to other apps
bind C-a send-prefix

# Set the base index for windows to 1 instead of 0
set -g base-index 1


set -g focus-events on

# Set the base index for panes to 1 instead of 0
setw -g pane-base-index 1

# Reload the file with Prefix r
bind r source-file ~/.tmux.conf \; display "Reloaded!"

# splitting panes with | and -
bind | split-window -h
bind - split-window -v

# moving between panes with Prefix h,j,k,l
bind -r h select-pane -L
bind -r j select-pane -D
bind -r k select-pane -U
bind -r l select-pane -R

# Quick window selection
bind -r C-h select-window -t :-
bind -r C-l select-window -t :+

# Pane resizing panes with Prefix H,J,K,L
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

# mouse support - set to on if you want to use the mouse
set -g mouse on

# Set the default terminal mode to 256color mode
set -g default-terminal "screen-256color"

# set the status line's colors
set -g status-style fg=white,bg=black

# set the color of the window list
setw -g window-status-style fg=cyan,bg=black

# set colors for the active window
setw -g window-status-current-style fg=white,bold,bg=red

# colors for pane borders
setw -g pane-border-style fg=green,bg=black
setw -g pane-active-border-style fg=white,bg=yellow

# active pane normal, other shaded out
setw -g window-style fg=colour240,bg=colour235
setw -g window-active-style fg=white,bg=black

# Command / message line
setw -g message-style fg=white,bold,bg=black

# Status line left side to show Session:window:pane
set -g status-left-length 40
set -g status-left "#[fg=green]S:#S #[fg=yellow]W:#I #[fg=cyan]P:#P"

# Status line right side -  31 Oct 13:37
set -g status-right "#[fg=cyan]%b/%d %R"

# Update the status line every sixty seconds
set -g status-interval 60

# Center the window list in the status line
set -g status-justify centre

# enable activity alerts
setw -g monitor-activity on
set -g visual-activity on

# enable vi keys.
setw -g mode-keys vi

# split pane and retain the current directory of existing pane
bind _ split-window -v -c  "#{pane_current_path}"
bind \ split-window -h -c "#{pane_current_path}"

# Load mac-specific settings
# Setting the namespace
set -g default-command "reattach-to-user-namespace -l /bin/zsh"

# Prefix C-c copy buffer to system clipboard
bind C-c run "tmux save-buffer - | reattach-to-user-namespace pbcopy"

# Prefix C-v paste system clipboard into tmux
bind C-v run \
"tmux set-buffer \"$(reattach-to-user-namespace pbpaste)\"; tmux paste-buffer"

# Setup 'v' to begin selection as in Vim
bind-key -t vi-copy v begin-selection
bind-key -t vi-copy y copy-pipe "reattach-to-user-namespace pbcopy"

# Update default binding of `Enter` to also use copy-pipe
unbind -t vi-copy Enter
bind-key -t vi-copy Enter copy-pipe "reattach-to-user-namespace pbcopy"



################## END Of Mac specific setting####################
# load private settings if they exist
if-shell "[ -f ~/.tmux.private]" "source ~/.tmux.private"

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 C-l send-keys 'C-l'
set -g default-shell /bin/zsh

set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-resurrect'
set -g @plugin 'tmux-plugins/vim-tmux-focus-events'
set -g @plugin 'tmux-plugins/tmux-continuum'
set -g @plugin 'tmux-plugins/tmux-copycat'
set -g @plugin 'tmux-plugins/tmux-open'
run '~/.tmux/plugins/tpm/tpm'

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"

# automatically save sessions
set -g @continuum-restore 'on'