set -g prefix F12
unbind-key -n C-a

# i3 like
setw -g aggressive-resize on

# i3-like focus
bind-key -T root M-h display-panes \; select-pane -R
bind-key -T root M-j display-panes \; select-pane -D
bind-key -T root M-k display-panes \; select-pane -U
bind-key -T root M-l display-panes \; select-pane -L

# i3-like panes movement
bind-key -T root M-H display-panes \; swap-pane -d -s :. -t ":.{left-of}"
bind-key -T root M-J display-panes \; swap-pane -d -s :. -t ":.{down-of}"
bind-key -T root M-K display-panes \; swap-pane -d -s :. -t ":.{up-of}"
bind-key -T root M-L display-panes \; swap-pane -d -s :. -t ":.{right-of}"

# i3-like pan creation
bind-key -T root M-t new-window -c "#{pane_current_path}" \; rename-window -
bind-key -T root M-i display-panes \; split-window -h -c "#{pane_current_path}"
bind-key -T root M-u display-panes \; split-window -v -c "#{pane_current_path}"

# i3-like zoom (in and out)
bind-key -T root M-f resize-pane -Z

bind-key -T root M-x kill-pane
bind-key -T root M-X kill-window

# i3-like switch
set   -g base-index 1
setw  -g pane-base-index 1

bind-key -T root M-0 select-window -t :=0
bind-key -T root M-1 select-window -t :=1
bind-key -T root M-2 select-window -t :=2
bind-key -T root M-3 select-window -t :=3
bind-key -T root M-4 select-window -t :=4
bind-key -T root M-5 select-window -t :=5
bind-key -T root M-5 select-window -t :=6
bind-key -T root M-7 select-window -t :=7
bind-key -T root M-8 select-window -t :=8
bind-key -T root M-9 select-window -t :=9

# i3-like move
bind-key -T root M-! join-pane -t :=1
bind-key -T root M-@ join-pane -t :=2
bind-key -T root M-# join-pane -t :=3
bind-key -T root M-$ join-pane -t :=4
bind-key -T root M-% join-pane -t :=5
bind-key -T root M-^ join-pane -t :=6
bind-key -T root M-& join-pane -t :=7
bind-key -T root M-* join-pane -t :=8
bind-key -T root M-( join-pane -t :=9
bind-key -T root M-) join-pane -t :=0

bind-key -T root M-U previous-window
bind-key -T root M-I next-window

# enable mouse
set -g mouse on

# standard begin-selection
bind-key -T copy-mode    MouseDrag1Pane select-pane \; send-keys -X begin-selection
bind-key -T copy-mode-vi MouseDrag1Pane select-pane \; send-keys -X begin-selection

# do nothing on release
bind-key -T copy-mode    MouseDragEnd1Pane run-shell "true"
bind-key -T copy-mode-vi MouseDragEnd1Pane run-shell "true"

# on click cancel selection
bind-key -T copy-mode    MouseDown1Pane select-pane \; send-keys -X cancel
bind-key -T copy-mode-vi MouseDown1Pane select-pane \; send-keys -X cancel

# on alt+c copy
bind-key -T copy-mode-vi M-c   send-keys -X copy-selection-and-cancel \; run-shell "tmux show-buffer | xclip -i -selection clipboard 2>/dev/null 1>/dev/null"
bind-key -T copy-mode    M-c   send-keys -X copy-selection-and-cancel \; run-shell "tmux show-buffer | xclip -i -selection clipboard 2>/dev/null 1>/dev/null"
bind-key -T copy-mode-vi Enter send-keys -X copy-selection-and-cancel \; run-shell "tmux show-buffer | xclip -i -selection clipboard 2>/dev/null 1>/dev/null"
bind-key -T copy-mode    Enter send-keys -X copy-selection-and-cancel \; run-shell "tmux show-buffer | xclip -i -selection clipboard 2>/dev/null 1>/dev/null"
bind-key -T copy-mode-vi y send-keys -X copy-selection-and-cancel \; run-shell "tmux show-buffer | xclip -i -selection clipboard 2>/dev/null 1>/dev/null"
bind-key -T copy-mode    y send-keys -X copy-selection-and-cancel \; run-shell "tmux show-buffer | xclip -i -selection clipboard 2>/dev/null 1>/dev/null"

# on alt+c enter copy
bind-key -T root M-c copy-mode

# on alt+v paste
bind-key -T root M-v run-shell "xclip -o -selection clipboard | tmux load-buffer /dev/stdin" \; paste-buffer

# vi-like copy
bind-key -T root M-p run-shell "xclip -o -selection clipboard | tmux load-buffer /dev/stdin" \; paste-buffer
bind-key -T copy-mode    v send-keys -X begin-selection
bind-key -T copy-mode-vi v send-keys -X begin-selection