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

# Prefix
unbind C-b
set-option -g prefix `
bind-key ` send-prefix

# Close|new|select windows and sessions
bind X kill-window
bind C-x kill-session
bind n new-window
bind N new-session
bind s choose-window
bind S choose-session

# Switch windows
bind [ previous-window
bind ] next-window

# Split windows to panes
bind V split-window -h
bind H split-window -v

# Navigate panes
bind j select-pane -D
bind k select-pane -U
bind h select-pane -L
bind l select-pane -R

# Resize panes
bind -r C-j resize-pane -D 5
bind -r C-k resize-pane -U 5
bind -r C-h resize-pane -L 5
bind -r C-l resize-pane -R 5

# Reload tmux config
bind R source-file ~/.tmux.conf \; display "Config reloaded"

# Copy mode
bind c copy-mode
bind p paste-buffer

# Mouse mode
set -g mouse on


# Appearance -----------------------------------------------------------------

# Enable 256 colours
set-option -g default-terminal "tmux-256color"

# Colours
# See https://commons.wikimedia.org/wiki/File:Xterm_256color_chart.svg
CLR1="#dfafff"   # magenta
CLR2="#dadada"   # light grey 253
CLR3="#c6c6c6"   # light grey 251
CLR4="#767676"   # medium grey 243
CLR5="#6c6c6c"   # medium grey 242
CLR6="#303030"   # dark grey 236
CLR7="#262626"   # dark grey 235
CLR8="#121212"   # dark grey 233
CLR9="#e4e4e4"   # light grey 254
CLR10="#875f87"  # dark magenta

# Cursor
set-option -ag terminal-overrides ",tmux*:Cr=\E]12;$CLR1\007"

# Panes
set -g window-style "fg=$CLR2,bg=$CLR6"
set -g window-active-style "fg=$CLR3,bg=$CLR7"

# Status bar
# Status refresh rate (s)
set -g status-interval 60
set -g status-bg $CLR8
set -g status-fg $CLR2

# Simple style
# To select a style, uncomment the "set -g" lines under the style
# Uncomment only one set at a time
SM_SESSION=" #[bold]#S "
SM_TIME=" #[bold]%m/%d %H:%M "
SM_USERS=" #(who | sort --key=1,1 --unique | wc -l) townies "
SM_DISK=" ~#(whoami) #(du -hs $HOME | cut -f1 -d '	') "
SM_MAIL=" #(cat /var/spool/mail/$USER | grep ' ' && echo '✉')"
SM_LEFT="#[fg=$CLR6,bg=$CLR1]$SM_SESSION"
SM_WIN="#[fg=$CLR4,bg=$CLR8]  #I #[fg=$CLR2,bg=$CLR8]#W "
SM_WIN_CUR="#[fg=$CLR5,bg=$CLR6] #I #[fg=$CLR1,bg=$CLR6,bold]#W "
SM_RIGHT=" #[fg=$CLR3]$SM_DISK $SM_MAIL $SM_USERS #[fg=$CLR6,bg=$CLR1]$SM_TIME"
set -g status-left "$SM_LEFT"
set -g window-status-format "$SM_WIN"
set -g window-status-current-format "$SM_WIN_CUR"
set -g status-right-length 50
set -g status-right "$SM_RIGHT"

# Airline style
AL_SESSION=" #[bold]⛁ #S "
AL_TIME=" ⌚ #[bold]%b %d %H:%M "
AL_USERS=" ⛑  #(who | sort --key=1,1 --unique | wc -l) townies "
AL_DISK=" ⌂ #(du -hs $HOME | cut -f1 -d '	') "
SM_MAIL=" #(cat /var/spool/mail/$USER | grep ' ' && echo '✉') "
AL_LEFT="#[fg=$CLR6,bg=$CLR1]$AL_SESSION#[fg=$CLR1,bg=$CLR8]"
AL_WIN="#[fg=$CLR4,bg=$CLR8] #I #[fg=$CLR2,bg=$CLR8]#W #[fg=$CLR3,bg=$CLR8,bold] "
AL_WIN_CUR="#[fg=$CLR8,bg=$CLR2,bold]#[fg=$CLR4,bg=$CLR2,bold] #I #[fg=$CLR8]#W #[fg=$CLR2,bg=$CLR8]"
AL_RIGHT="#[fg=$CLR10,bg=$CLR8,bold]#[fg=$CLR9,bg=$CLR10] $AL_DISK $AL_MAIL $AL_USERS #[fg=$CLR1,bg=$CLR10]#[fg=$CLR6,bg=$CLR1,dim]$AL_TIME"
#set -g status-left "$AL_LEFT"
#set -g window-status-format "$AL_WIN"
#set -g window-status-current-format "$AL_WIN_CUR"
#set -g status-right-length 80
#set -g status-right "$AL_RIGHT"