# -- general -------------------------------------------------------------------

set -g default-terminal "screen-256color" # colors!
setw -g xterm-keys on
set -s escape-time 10                     # faster command sequences
set -sg repeat-time 600                   # increase repeat timeout
set -s focus-events on

set -g prefix2 C-a                        # GNU-Screen compatible prefix
bind C-a send-prefix -2

set -q -g status-utf8 on                  # expect UTF-8 (tmux < 2.2)
set -q -g utf8 on

set -g history-limit 5000                 # boost history

# edit configuration
bind e new-window -n "~/.tmux.conf.local" "sh -c '\${EDITOR:-vim} ~/.tmux.conf.local && tmux source ~/.tmux.conf && tmux display \"~/.tmux.conf sourced\"'"

# reload configuration
bind r source-file ~/.tmux.conf \; display '~/.tmux.conf sourced'

# run the powerline daemon
run-shell "powerline-daemon -q"

bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel 'xclip -in -selection clipboard'

# Prevent random characters from appearing during yank 
set -s set-clipboard off

# -- display -------------------------------------------------------------------

set -g base-index 1           # start windows numbering at 1
setw -g pane-base-index 1     # make pane numbering consistent with windows

#setw -g automatic-rename on   # rename window to reflect current program
set -g renumber-windows on    # renumber windows when a window is closed

#set -g set-titles on          # set terminal title

set -g display-panes-time 800 # slightly longer pane indicators display time
set -g display-time 1000      # slightly longer status messages display time

set-option -g status on
set-option -g status-interval 2
set-option -g status-justify "centre"
set-option -g status-left-length 60
set-option -g status-right-length 90
set-option -g status-left "#(~/.config/tmux-powerline/powerline.sh left)"
set-option -g status-right "#(~/.config/tmux-powerline/powerline.sh right)"

source "$HOME/.local/lib/python3.9/site-packages/powerline/bindings/tmux/powerline.conf"


# clear both screen and history
bind -n C-l send-keys C-l \; run 'sleep 0.1' \; clear-history

# activity
set -g monitor-activity on
set -g visual-activity off

# set border color for panes
set -g pane-active-border-style bg=colour130,fg=colour250


# -- navigation ----------------------------------------------------------------

# create session
bind C-c new-session

# find session
bind C-f command-prompt -p find-session 'switch-client -t %%'

# split current window horizontally
bind s split-window -v
# split current window vertically
bind v split-window -h

# close pane
bind w kill-pane

# pane navigation
bind -r h select-pane -L  # move left
bind -r j select-pane -D  # move down
bind -r k select-pane -U  # move up
bind -r l select-pane -R  # move right
bind > swap-pane -D       # swap current pane with the next one
bind < swap-pane -U       # swap current pane with the previous one

# maximize current pane
bind + run 'cut -c3- ~/.tmux.conf | sh -s _maximize_pane "#{session_name}" #D'

# pane resizing
bind -r H resize-pane -L 2
bind -r J resize-pane -D 2
bind -r K resize-pane -U 2
bind -r L resize-pane -R 2

# window navigation
unbind n
unbind p
bin -r C-n new-window
bind -r C-h previous-window # select previous window
bind -r C-l next-window     # select next window
bind Tab last-window        # move to last active window

# toggle mouse
bind m run "cut -c3- ~/.tmux.conf | sh -s _toggle_mouse"


# -- urlview -------------------------------------------------------------------

bind U run "cut -c3- ~/.tmux.conf | sh -s _urlview #{pane_id}"


# -- facebook pathpicker -------------------------------------------------------

bind F run "cut -c3- ~/.tmux.conf | sh -s _fpp #{pane_id}"


# -- list choice (tmux < 2.4) --------------------------------------------------

# vi-choice is gone in tmux >= 2.4
run -b 'tmux bind -t vi-choice h tree-collapse 2> /dev/null || true'
run -b 'tmux bind -t vi-choice l tree-expand 2> /dev/null || true'
run -b 'tmux bind -t vi-choice K start-of-list 2> /dev/null || true'
run -b 'tmux bind -t vi-choice J end-of-list 2> /dev/null || true'
run -b 'tmux bind -t vi-choice H tree-collapse-all 2> /dev/null || true'
run -b 'tmux bind -t vi-choice L tree-expand-all 2> /dev/null || true'
run -b 'tmux bind -t vi-choice Escape cancel 2> /dev/null || true'


# -- edit mode (tmux < 2.4) ----------------------------------------------------

# vi-edit is gone in tmux >= 2.4
run -b 'tmux bind -ct vi-edit H start-of-line 2> /dev/null || true'
run -b 'tmux bind -ct vi-edit L end-of-line 2> /dev/null || true'
run -b 'tmux bind -ct vi-edit q cancel 2> /dev/null || true'
run -b 'tmux bind -ct vi-edit Escape cancel 2> /dev/null || true'


# -- copy mode -----------------------------------------------------------------

bind Enter copy-mode # enter copy mode

run -b 'tmux bind -t vi-copy v begin-selection 2> /dev/null || true'
run -b 'tmux bind -T copy-mode-vi v send -X begin-selection 2> /dev/null || true'
run -b 'tmux bind -t vi-copy C-v rectangle-toggle 2> /dev/null || true'
run -b 'tmux bind -T copy-mode-vi C-v send -X rectangle-toggle 2> /dev/null || true'
run -b 'tmux bind -t vi-copy y copy-selection 2> /dev/null || true'
run -b 'tmux bind -T copy-mode-vi y send -X copy-selection-and-cancel 2> /dev/null || true'
run -b 'tmux bind -t vi-copy Escape cancel 2> /dev/null || true'
run -b 'tmux bind -T copy-mode-vi Escape send -X cancel 2> /dev/null || true'
run -b 'tmux bind -t vi-copy H start-of-line 2> /dev/null || true'
run -b 'tmux bind -T copy-mode-vi H send -X start-of-line 2> /dev/null || true'
run -b 'tmux bind -t vi-copy L end-of-line 2> /dev/null || true'
run -b 'tmux bind -T copy-mode-vi L send -X end-of-line 2> /dev/null || true'

# copy to macOS clipboard
if -b 'command -v pbcopy > /dev/null 2>&1' 'bind y run -b "tmux save-buffer - | pbcopy"'
if -b 'command -v reattach-to-user-namespace > /dev/null 2>&1' 'bind y run -b "tmux save-buffer - | reattach-to-user-namespace pbcopy"'
# copy to X11 clipboard
if -b 'command -v xsel > /dev/null 2>&1' 'bind y run -b "tmux save-buffer - | xsel -i -b"'
if -b '! command -v xsel > /dev/null 2>&1 && command -v xclip > /dev/null 2>&1' 'bind y run -b "tmux save-buffer - | xclip -i -selection clipboard >/dev/null 2>&1"'
# copy to Windows clipboard
if -b 'command -v clip.exe > /dev/null 2>&1' 'bind y run -b "tmux save-buffer - | clip.exe"'
if -b '[ -c /dev/clipboard ]' 'bind y run -b "tmux save-buffer - > /dev/clipboard"'


# -- buffers -------------------------------------------------------------------

bind b list-buffers  # list paste buffers
bind p paste-buffer  # paste from the top paste buffer
bind P choose-buffer # choose which buffer to paste from


# -- user defined overrides ----------------------------------------------------

if '[ -f ~/.tmux.conf.local ]' 'source ~/.tmux.conf.local'


# -- 8< ------------------------------------------------------------------------

run 'cut -c3- ~/.tmux.conf | sh -s _apply_configuration'
run -b '[ -z "#{window_active}" ] && [ -z "#{version}" ] && tmux set display-time 3000 \; display "This configuration will soon require tmux >= 2.4" \; set -u display-time || true'
