# Filename:      tmux.conf
# Purpose:       config file for tmux
# Authors:       Dennis Eriksen <d@ennis.no>
# Bug-Reports:   Email <idgatt@dnns.no>
# License:       This file is licensed under the BSD-3-Clause license.
################################################################################


# General {{{

    # renumber windows sequentially after closing any of them
    set-option -g renumber-windows off

    ## start window numbers at 1 to match keyboard order with tmux window order
    #set -g base-index 1
    #set-window-option -g pane-base-index 1

    # Vi mode
    #set -g status-keys vi
    # Use vim keybindings in copy mode
    #setw -g mode-keys vi

    # https://superuser.com/a/1809494
    set-option -s escape-time 5

    # Max windows history lines
    set-option -g history-limit 50000

    # display tmux-messages for 4 seconds
    set-option -g display-time 4000

    # refresh status-left and status-right every n seconds
    set-option -g status-interval 5

    # super useful when using "grouped sessions" and multi-monitor setup
    set-window-option -g aggressive-resize on

# }}}

# Mappings {{{

    # Use default prefix.
    set-option -g prefix C-b

    # emacs key bindings in tmux command prompt (prefix + :) are better than
    # vi keys, even for vim users
    set-option -g status-keys emacs

    ## Use ^Space as prefix (do not interfere with Vim)
    #unbind-key C-b
    #set -g prefix C-Space
    #bind-key C-space send-prefix

    # open new windows with current path
    bind-key c new-window -c "#{pane_current_path}"

    # Vim "visual" mode in copy mode
    #bind-key -t vi-copy v begin-selection
    #bind-key -t vi-copy y copy-selection

    # send commands to all panes
    bind-key a set-option -w synchronize-panes on
    bind-key A set-option -w synchronize-panes off

    # Pane resizing is different than in vim, so we cannot
    # just use +, -, <, >
    bind-key -r J resize-pane -D
    bind-key -r K resize-pane -U
    bind-key -r H resize-pane -L
    bind-key -r L resize-pane -R

    # Vim style pane selection
    bind-key h select-pane -L
    bind-key j select-pane -D
    bind-key k select-pane -U
    bind-key l select-pane -R

    # Clear screen fix
    bind-key C-l send-keys 'C-l'

    # Vim style split creation
    # TODO: What to do with previous `s` what was switching sessions?
    bind-key v split-window -h -c "#{pane_current_path}"
    bind-key s split-window -v -c "#{pane_current_path}"

    # reload config
    bind-key R source-file "$XDG_CONFIG_HOME/tmux/tmux.conf" \; display-message "Sourced config"

# }}}

# User interface {{{

    ## set the default TERM
    set-option -g default-terminal tmux-256color

    ## update the TERM variable of terminal emulator when creating a new session or attaching a existing session
    set-option -g update-environment 'DISPLAY SSH_ASKPASS SSH_AGENT_PID SSH_CONNECTION WINDOWID XAUTHORITY TERM'

    ## disable annoying notifications
    #set-option -g visual-bell off
    #set-option -g visual-silence off
    #set-option -g bell-action none


# }}}

# Get the rest {{{

    run-shell '"$XDG_CONFIG_HOME/tmux/tmux.zsh"'

# }}}

## END OF FILE #################################################################