dotfiles/.config/tmux/tmux.conf

# Layout of this conf file:
# 1. Global Settings
# 2. Keybinds
# 3. Keybinds
# 4. Theme

# For rapid change prototyping, disabled normally:
# bind-key r source-file ~/.config/tmux/tmux.conf \; display-message "config reloaded."

######################
### 1. GLOBAL SETTINGS
######################

# show that activity happens but don't display a huge 'activity happening' notification
setw -g monitor-activity on
set -g visual-activity off

# Start counting windows and panes at 1
set -g base-index 1
setw -g pane-base-index 1
set -g renumber-windows on

# Terminal improvements
set -g terminal-overrides "xterm*:XT:smcup@:rmcup@"
set-window-option -g automatic-rename on
set-option -g set-titles on
set -g mouse on
set -g default-terminal screen-256color
set -g status-keys vi
set -g history-limit 10000

# Screen size is based on the smallest client looking at the current windows, not the smallest
# client connected to the overall session. If two clients are connected to the same session but not
# looking at the same window, why would they care about each others screen size?
setw -g aggressive-resize on

# No delay for escape key press
set -sg escape-time 0

# Set Cursor terminal override, so nvim can change cursor style when changing modes
# more info see nvim, :help tui-cursor-shape
set -ga terminal-overrides '*:Ss=\E[%p1%d q:Se=\E[ q'

####################
## 2. PLUGINS     ##
####################

# Plugins -- TO INITALLY SET UP THE PLUGINS PRESS bind-key I (that is shift i)
# -- a message will appear after a second saying succes
#run-shell ~/.tmux-plugins/resurrect/resurrect.tmux
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-yank'
set -g @plugin 'tmux-plugins/tmux-prefix-highlight'
set -g @plugin 'Morantron/tmux-fingers'

run "${TMUX_PLUGIN_MANAGER_PATH}/tpm/tpm"

#####################
## 3. KEYBINDINGS  ##
#####################

# Unbind some defaults
unbind '"'
unbind %

# Custom modifier key
set -g prefix C-a
unbind-key C-b
bind-key -r C-a send-prefix

# Pane Navigation - Vim Keys
bind-key -n C-h select-pane -L
bind-key -n C-j select-pane -D
bind-key -n C-k select-pane -U
bind-key -n C-l select-pane -R

# Window Navigation - Prefix + Vim Keys
bind-key -r C-h select-window -t :-
bind-key -r C-l select-window -t :+

# Resize Panes
bind-key -r H resize-pane -L 3
bind-key -r J resize-pane -D 1
bind-key -r K resize-pane -U 1
bind-key -r L resize-pane -R 3

bind-key -r C-H resize-pane -L 10
bind-key -r C-J resize-pane -D 5
bind-key -r C-K resize-pane -U 5
bind-key -r C-L resize-pane -R 10

# Send Pane to a new window (but stay on current window), join it back into the current window
bind-key B break-pane -d
bind-key C-b command-prompt -p "join pane from: "  "join-pane -h -s '%%'"

# Swap panes within the current window (swaps pane # entered with currently selected pane)
bind-key b display-panes\; command-prompt -p "pane #: "  "swap-pane -t '%%'"

# Kill tabs quicker
bind-key x kill-pane
bind-key C-x kill-window

# Split Window into panes - automatically handled by plugin
bind-key \ split-window -h -c '#{pane_current_path}'
bind-key - split-window -v -c '#{pane_current_path}'

# Open a sessions chooser
bind C-j split-window -v "tmux list-sessions | sed -E 's/:.*$//' | grep -v \"^$(tmux display-message -p '#S')\$\" | fzf --reverse | xargs tmux switch-client -t"

# Quick-View Panes
bind-key h split-window -h 'top'
bind-key t split-window -h 'vim ~/Documents/ROADMAP.md'

#####################
## 4. THEME        ##
#####################

## theme from github.com/jimeh/tmux-themepack, the powerline/default/blue theme.
## It is integrated with prefix highlight for this tmux conf

# Status update interval
set -g status-interval 1

# Basic status bar colors
set -g status-fg colour238
set -g status-bg colour233

# Left side of status bar
set -g status-left-bg colour233
set -g status-left-fg colour243
set -g status-left-length 40
set -g status-left "#[fg=colour232,bg=colour24,bold] #S #[fg=colour24,bg=colour240,nobold]#[fg=colour233,bg=colour240] #(whoami) #[fg=colour240,bg=colour235]#[fg=colour240,bg=colour235] #I:#P #[fg=colour235,bg=colour233,nobold]"

# Right side of status bar
set -g status-right-bg colour233
set -g status-right-fg colour243
set -g status-right-length 150
set -g status-right "#{prefix_highlight} #[fg=colour235,bg=colour233]#[fg=colour240,bg=colour235] %H:%M:%S #[fg=colour240,bg=colour235]#[fg=colour233,bg=colour240] %d-%b-%y #[fg=colour245,bg=colour240]#[fg=colour232,bg=colour245,bold] #H "
# Sets both Prefix mode and Copy mode to be highlighted in the status bar.
set -g @prefix_highlight_show_copy_mode 'on'
set -g @prefix_highlight_copy_mode_attr 'fg=black,bg=yellow,bold' # default is 'fg=default,bg=yellow'
set -g @prefix_highlight_prefix_prompt 'Command'
set -g @prefix_highlight_copy_prompt 'Copy'

# Window status
set -g window-status-format "  #I:#W#F  "
set -g window-status-current-format "#[fg=colour233,bg=black]#[fg=colour33,nobold] #I:#W#F #[fg=colour233,bg=black,nobold]"

# Current window status
set -g window-status-current-bg colour100
set -g window-status-current-fg colour235

# Window with activity status
set -g window-status-activity-bg colour245 # fg and bg are flipped here due to
set -g window-status-activity-fg colour233 # a bug in tmux

# Window separator
set -g window-status-separator ""

# Window status alignment
set -g status-justify centre

# Pane border
set -g pane-border-bg default
set -g pane-border-fg colour238

# Active pane border
set -g pane-active-border-bg default
set -g pane-active-border-fg colour24

# Pane number indicator
set -g display-panes-colour colour233
set -g display-panes-active-colour colour245

# Clock mode
set -g clock-mode-colour colour24
set -g clock-mode-style 24

# Message
set -g message-bg colour24
set -g message-fg black

# Command message
set -g message-command-bg colour233
set -g message-command-fg black

# Mode
set -g mode-bg colour24
set -g mode-fg colour231