.tmux.conf

# Change prefix from C-a from C-b
set -g prefix C-a
# Prefix has been remapped, C-b can be unbinded
unbind C-b

# Reduces the delay; more responsive command execution
set -s escape-time 1
# Indexing from 1 instead of 0
set -g base-index 1
set -g pane-base-index 1

# C-a r to reaload configuration file to reflect changes
bind r source-file ~/.tmux.conf \; display "Reloaded!"

# If needed, C-a used as prefix for tmux can be send to application running inside tmux bz pressing C-a C-a, ergo twice
bind C-a send-prefix

# Custom keys for splits
bind | split-window -h
bind - split-window -v

# Custom pane selection keys
bind h select-pane -L
bind j select-pane -U
bind k select-pane -D
bind l select-pane -R

# Custom cycle-through-windows keys
bind -r C-h select-window -t :-
bind -r C-l select-window -t :+

# Custom pane-resize keys, repeatable
bind -r H resize-pane -L 5
bind -r J resize-pane -U 5
bind -r K resize-pane -D 5
bind -r L resize-pane -R 5

# Enable mouse
# setw -g mouse on
# set -g mouse-select-pane on
# set -g mouse-resize-pane on
# set -g mouse-select-window on
# Or not
setw -g mouse off

# Enable propper colours
# Running tmux as tmux -2 may be needed; alias tmux="tmux -2"
set -g default-terminal "xterm"

# Change window list colours
setw -g window-status-fg cyan
setw -g window-status-bg default
setw -g window-status-attr dim

setw -g window-status-current-fg white
setw -g window-status-current-bg red
setw -g window-status-current-attr bright

# Change colour of pane dividers
set -g pane-border-fg green
set -g pane-border-bg black
set -g pane-active-border-fg "#5F00D7"
set -g pane-active-border-bg "#5F00D7"

# Customize command line colours
set -g message-fg white
set -g message-bg black
set -g message-attr bright

# Customize status bar
set -g status-left-length 40
set -g status-left "#[fg=green]Session: #S #[fg=yellow]#I #[fg=cyan]#P"
set -g status-right "#[fg=cyan]%d %b %R"
set -g status-utf8 on
set -g status-interval 60
set -g status-bg colour238
set -g status-justify centre
setw -g monitor-activity on
set -g visual-activity on