tmuxrc

# config file for TMUX 2.1
# http://www.cs.ru.nl/~gdal/dotfiles/.tmux.conf

# good practice: don't use different aliases for the same command
#   set  --> set-option
#   setw --> set-window-option
#   run  --> run-shell
#   bind --> bind-key
#       -r flag: enable keep hitting bind key without prefix
#       -n flag: enable bind key without prefix
#       -g flag: global

# always use bash :)
set -g default-shell /bin/bash
set -g default-terminal "screen-256color"
set -g default-command "bash"

# command history
set -g history-limit 100000

# set 1 default first window number
set -g base-index 1
setw -g pane-base-index 1

# use unicode
# set -g utf8 on
# set -g status-utf8 on

# use xterm keys
setw -g xterm-keys on

# no more bell messages
set -g bell-action any
set -g visual-bell off
set -g visual-activity off
set -g visual-silence off

# When a smaller terminal connects to a tmux client, it shrinks to fit it.
setw -g aggressive-resize on

# kill pane/window/session
bind x confirm-before -p 'Kill pane (y/N)?' kill-pane

bind X confirm-before -p 'Kill session (y/N)?' '            \
    run-shell "                                             \
        if [ \$(tmux list-sessions | wc -l) -ge 2 ]; then   \
            tmux switch-client -ln;                         \
        fi;                                                 \
        tmux kill-session -t \"#S\";                        \
        tmux refresh-client -S;                             \
    "'

bind C-x command-prompt -p 'Windows to kill:' '             \
    run-shell "                                             \
        for w in \$(echo %% | sort -n -r); do               \
            tmux kill-window -t \$w;                        \
        done;                                               \
    "'

bind C-d run-shell "                                        \
    if [ #{session_windows} -eq 1 ] &&                      \
       [ #{window_panes}    -eq 1 ] &&                      \
       [ #{pane_current_command}  = 'bash' ]; then          \
        if [ \$(tmux list-sessions | wc -l) -ge 2 ]; then   \
            tmux switch-client -ln;                         \
        fi; tmux kill-session -t \"#S\";                    \
    else                                                    \
        tmux display-message \"Ignoring kill session...\";  \
    fi;                                                     \
    "

bind D confirm-before -p 'Kill tmux (y/N)?' '                                                   \
    run-shell "                                                                                 \
        for s in \$(tmux list-sessions -F \"\##{session_name}\"); do                            \
            for w in \$(tmux list-windows -t \$s -F \"##{window_index}\"); do                   \
                for p in \$(tmux list-panes -t \"\$s:\$w\" -F \"##{pane_index}\"); do           \
                    t=\"\$s:\$w.\$p\";                                                          \
                    bin=\$(tmux display-message -t \$t -p -F \"##{pane_current_command}\");     \
                    if [ \"\$bin\" = \"vim\" ]; then                                            \
                        tmux send-keys -t \$t Escape;                                           \
                        tmux send-keys -t \$t :qa;                                              \
                        tmux send-keys -t \$t Enter;                                            \
                        sleep 0.5; tmux refresh-client -S;                                      \
                        bin=\$(tmux display-message -t \$t -p -F \"##{pane_current_command}\"); \
                        if [ \"\$bin\" = \"vim\" ]; then                                        \
                            tmux send-keys -t \$t Escape;                                       \
                            tmux select-pane -t \$t;                                            \
                            tmux select-window -t \"\$s:\$w\";                                  \
                            tmux display-message \"Exit vim and re-run the command...\";        \
                            exit 0;                                                             \
                        fi;                                                                     \
                    fi;                                                                         \
                done;                                                                           \
            done;                                                                               \
        done;                                                                                   \
        tmux confirm-before -p \"Confirm kill tmux (y/N)?\" kill-server;                        \
    "'

#  tmux confirm-before -p "Proceed to kill server (y/N)?" kill-server
# force a reload of the config file
bind r source-file ~/.tmux.conf\; display-message "Config reloaded..."

# enabele mouse support
set -g mouse on

# toggle print to all panes in a window at once!!
bind e setw synchronize-panes

# refresh time interval, escape pause time and message time
set -g status-interval 1
set -sg escape-time 0
set -g display-time 1500
set -g display-panes-time 10000

# act like gnu screen
unbind C-b
set -g prefix C-a

# for nested tmux sessions, with prefix 'C-a C-s'
bind C-s send-prefix

# clear terminal in focus
bind C-t run-shell '                                        \
    bin=$(tmux display-message -p -F "#{pane_current_command}"); \
    if [ "$bin" = "bash" ]; then                                       \
        tmux send-keys C-c;                                                 \
        tmux send-keys clear;                                               \
        sleep 0.1;\
        tmux send-keys Enter;                                               \
    fi;\
    '\; clear-history\; display-message "History cleared..."\;

# act like vim
setw -g mode-keys vi
unbind [
bind v copy-mode
bind C-v copy-mode

bind -Tcopy-mode-vi C-e send start-of-line
bind -Tcopy-mode-vi C-r send end-of-line
bind -Tcopy-mode-vi e   send start-of-line
bind -Tcopy-mode-vi r   send end-of-line
bind -Tcopy-mode-vi v   send begin-selection
bind -Tcopy-mode-vi V   send rectangle-toggle
bind -Tcopy-mode-vi K   send halfpage-up
bind -Tcopy-mode-vi J   send halfpage-down
bind -Tcopy-mode-vi h   send cursor-left
bind -Tcopy-mode-vi j   send cursor-down
bind -Tcopy-mode-vi k   send cursor-up
bind -Tcopy-mode-vi l   send cursor-right
bind -Tcopy-mode-vi Escape send cancel
bind -Tcopy-mode-vi f send cancel
bind -Tcopy-mode-vi C-f send cancel
bind -Tcopy-mode-vi C-y send copy-pipe         "cat | xsel -i -b"
bind -Tcopy-mode-vi Y send copy-pipe         "cat | xclip -i"
bind -Tcopy-mode-vi y send copy-pipe         "cat > ~/.buffer"
bind C-p run-shell "tmux set-buffer \"$(xsel --clipboard)\"; tmux paste-buffer"
bind   P run-shell "tmux set-buffer \"$(xclip -o)\"; tmux paste-buffer"
bind   p run-shell "tmux set-buffer \"\$(cat ~/.buffer)\"; tmux paste-buffer"
bind -Tcopy-mode-vi y send C-y copy-pipe         "cat | xsel -i -b"
bind -Tcopy-mode-vi y send  copy-pipe         "cat | xclip -i"


# fix for weird output upon copy
set -g set-clipboard off

# workaround for global copy: copy to and from file buffer
# bind -t vi-copy y      copy-pipe         "cat  >~/.copybuffer"
# bind p run "tmux load-buffer ~/.copybuffer; tmux paste-buffer;"

# reorder window numbering
set -g renumber-windows off
bind R                                      \
    move-window -r\;                        \
    display-message "Windows reordered..."

# session navigation
bind s   choose-session -F 'session #{session_name} #{?session_attached,(attached),          } : #{session_windows} windows (#{window_name}#{pane_title})' \; refresh-client -S
bind n   switch-client -n \; refresh-client -S
bind N   switch-client -p \; refresh-client -S

# window/pane navigation
bind k select-pane -U\; refresh-client -S
bind j select-pane -D\; refresh-client -S
bind l select-pane -R\; refresh-client -S
bind h select-pane -L\; refresh-client -S

# window navigation
bind    C-a last-window     \; refresh-client -S
bind -r C-h previous-window \; refresh-client -S
bind -r C-l next-window     \; refresh-client -S
bind 0 select-window -t 10  \; refresh-client -S

# window creation/splitting
bind [ split-window -h -p 50 -c "#{pane_current_path}"
bind ] split-window -v -p 50 -c "#{pane_current_path}"
bind c new-window -c "#{pane_current_path}"
bind C \
    run-shell 'tmux set-environment -g PANE_CURRENT_PATH #{pane_current_path}' \; \
    new-session 'cd $(eval "$(tmux showenv -g PANE_CURRENT_PATH)"; echo $PANE_CURRENT_PATH); bash -l'

bind i command-prompt -p 'Insert window at:' 'new-window -c "#{pane_current_path}" -a -t %1; swap-window -t -1'
bind I command-prompt -p 'New window at:' 'new-window -c "#{pane_current_path}" -t %1'

# resize pane
bind -r K resize-pane -U
bind -r J resize-pane -D
bind -r L resize-pane -R
bind -r H resize-pane -L
bind    m resize-pane -Z # toggle maximize pane

# window manipulations
bind a command-prompt -p "Rename window:" "rename-window %%"
bind A command-prompt -p "Rename session:" "rename-session %%"
bind M command-prompt -p "Move window to:" "move-window -t %%"
bind S command-prompt -p "Swap window with:" "swap-window -t %%"

# set bar at the bottom (can also be 'top')
set-option -g status-position bottom

# tmux session name
set -g set-titles on
set -g set-titles-string '[#H:#S] #W #T' # session name, active program, pane title

# rename window with currently running command
setw -g automatic-rename on

# ------------------------------------------------------------------------------
# tmux color scheme
# ------------------------------------------------------------------------------

# used colours
GREY="colour233"
LGREY="colour235"
BLUE="colour4"
BLACK="#000000"
ORANGE="colour172"
GREEN="colour76"
WHITE="colour252"

# status bar formats
WINDOW="[#I #W#T]"
STATUS_LEFT=" #H #S #[fg=$WHITE]| "
STATUS_RIGHT="#{?client_prefix,PRE ,}#(bash -c 'source ~/.bash_tmux; tmuxstatusline;')%d-%m-%Y %H:%M "

setw -g window-status-current-format $WINDOW
setw -g window-status-format $WINDOW
set -g status-left-length 20
set -g status-left-attr bright
set -g status-left $STATUS_LEFT

set -g status-right-length 40
set -g status-right-attr dim
set -g status-right $STATUS_RIGHT

# default statusbar colors
set -g status-fg $WHITE
set -g status-bg $GREY
set -g status-attr dim

# default left status colors
set -g status-left-bg $GREY
set -g status-left-fg $BLUE
set -g status-left-attr bright

 # default right status colors
set -g status-right-bg $GREY
set -g status-right-fg $WHITE
set -g status-right-attr dim

# default window title colors
setw -g window-status-fg $WHITE
setw -g window-status-bg $GREY
setw -g window-status-attr dim

# active windows status colors
setw -g window-status-current-fg $ORANGE
setw -g window-status-current-bg $GREY
setw -g window-status-current-attr bright

# last window status colors
setw -g window-status-last-fg white
setw -g window-status-last-bg $GREY
setw -g window-status-last-attr bright

# watch for activity in background windows
setw -g monitor-activity on
setw -g window-status-activity-fg $GREEN
setw -g window-status-activity-bg $GREY
setw -g window-status-activity-attr dim

# set active/pasive pane background colours
set -g window-style fg=default
set -g window-style bg=$GREY
set -g window-active-style fg=default
set -g window-active-style bg=$BLACK

# pane colors
set -g display-panes-active-colour $ORANGE
set -g display-panes-colour $WHITE
set -g pane-active-border-fg $LGREY
set -g pane-active-border-bg $GREY
set -g pane-border-fg $LGREY
set -g pane-border-bg $GREY

# message colors
set -g message-command-attr bright
set -g message-command-bg $ORANGE
set -g message-command-fg $GREY
set -g message-attr bright
set -g message-bg $ORANGE
set -g message-fg $GREY