configs/home/.tmux.conf

# thanks to this awesome guide: https://thevaluable.dev/tmux-config-mouseless/ (visited 2023-02-04

# make ctrl-space the prefix. Keep ctrl-b as an alternative.
#unbind C-b
set -g prefix2 C-Space

# enable using the mouse
set -g mouse on

# prefix-r to reload the config file

# prefix-r to reload the config file
unbind r
bind r source-file ~/.tmux.conf \; display "Reloaded ~/.tmux.conf"

# change split hotkeys
# v and h are not bound by default, but we never know in the next versions...
unbind v
unbind h

unbind % # Split vertically
unbind '"' # Split horizontally

# split horizontal with prefix-h or prefix-"
bind v split-window -h -c "#{pane_current_path}"
bind '"' split-window -h -c "#{pane_current_path}"

# split vertical with prefix-v or prefix-%
bind h split-window -v -c "#{pane_current_path}"
bind % split-window -v -c "#{pane_current_path}"

# navigate panels with vim keys
bind -n C-h select-pane -L
bind -n C-j select-pane -D
bind -n C-k select-pane -U
bind -n C-l select-pane -R

# rename window with prefix-n
unbind n  #DEFAULT KEY: Move to next split-window
bind n command-prompt "rename-window '%%'"

# set the first window id to 1, I know computer scientists always start from 0, but 0 is so far away from my left hand.
# remember: prefix-{digit} brings you to the window with the id {digit}
set -g base-index 1
set-window-option -g pane-base-index 1

# next window with alt-k, last with alt-j, no prefix needed.
bind -n M-j previous-window
bind -n M-k next-window

# tmux modes stuff. we have default mode and copy mode.
# change the copy mode key to prefix-N , the default config isnt good for qwertz keyboards.
bind-key N copy-mode

# obviously use vim keys for copymode (think normal mode in vim)
# with these options we can yank the tmux copy stuff into the system clipboard.
set-window-option -g mode-keys vi

unbind -T copy-mode-vi Space; #Default for begin-selection
unbind -T copy-mode-vi Enter; #Default for copy-selection

bind -T copy-mode-vi v send-keys -X begin-selection
# copy to XORG clipboard, but this apperantly works with wayland aswell (on my system). TODO: test this for headless servers.
#bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "xsel --clipboard"
bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "wl-copy"

# magic tweaks for better use with vim or neovim
set -g -a terminal-overrides ',*:Ss=\E[%p1%d q:Se=\E[2 q'
# Smart pane switching with awareness of Vim splits.
# See: https://github.com/christoomey/vim-tmux-navigator

is_vim="ps -o state= -o comm= -t '#{pane_tty}' \
    | grep -iqE '^[^TXZ ]+ +(\\S+\\/)?g?(view|n?vim?x?)(diff)?$'"
bind -n C-h if-shell "$is_vim" "send-keys C-h"  "select-pane -L"
bind -n C-j if-shell "$is_vim" "send-keys C-j"  "select-pane -D"
bind -n C-k if-shell "$is_vim" "send-keys C-k"  "select-pane -U"
bind -n C-l if-shell "$is_vim" "send-keys C-l"  "select-pane -R"
bind -n C-\\ if-shell "$is_vim" "send-keys C-\\" "select-pane -l"

# theming, See https://github.com/seebi/tmux-colors-solarized/blob/master/tmuxcolors-dark.conf

#### COLOUR (Solarized dark)

# default statusbar colors
set-option -g status-style fg=yellow,bg=black #yellow and base02

# default window title colors
set-window-option -g window-status-style fg=brightblue,bg=default #base0 and default
#set-window-option -g window-status-style dim

# active window title colors
set-window-option -g window-status-current-style fg=brightred,bg=default #orange and default
#set-window-option -g window-status-current-style bright

# pane border
set-option -g pane-border-style fg=black #base02
set-option -g pane-active-border-style fg=brightgreen #base01

# message text
set-option -g message-style fg=brightred,bg=black #orange and base01

# pane number display
set-option -g display-panes-active-colour brightred #orange
set-option -g display-panes-colour blue #blue

# clock
set-window-option -g clock-mode-colour green #green

# bell
set-window-option -g window-status-bell-style fg=black,bg=red #base02, red