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dotfiles/home/.tmux.conf
Andrejus e686b6396d Add spinning donut screensaver with matrix rain
Terminal screensaver written in C, triggered by tmux lock-after-time
(180s idle), bind S, or `donut` alias. Features:

- Spinning torus with precomputed trig tables, randomized rotation
- Matrix rain overlay — donut luminance colors the rain characters
- 64-shade teal foreground palette with gradual dimming over time
- Chunky 7x5 clock with shadow, blinking colon, periodic drift
- Activity time display below clock (read from heartbeat state file)
- Rim lighting and ambient occlusion on donut edges
- RLE escape state machine — only emits SGR on shade transitions
- Row-skip rendering — empty/leading/trailing regions use cursor jumps
- Projection runs at adaptive rate (24fps bright, 6fps dim)
- select()-based frame pacing, deep sleep after 2hr (1fps)
- Resume detection — flushes stale PTY output after sleep/lock
- Mouse click to quit (SGR + X11 protocols, release filtered)
- write_all() retries partial writes, SIGPIPE handled gracefully
- Alternate screen buffer preserves shell scrollback

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-02-27 16:56:44 +00:00

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# Prefix: Ctrl+A
unbind C-b
set -g prefix C-a
bind C-a send-prefix
# True color
set -g default-terminal "tmux-256color"
set -s terminal-overrides "xterm-256color:RGB"
set -as terminal-overrides ',*:Smulx=\E[4::%p1%dm'
set -as terminal-overrides ',*:Setulc=\E[58::2::%p1%{65536}%/%d::%p1%{256}%/%{255}%&%d::%p1%{255}%&%d%;m'
# Shell
set -g default-shell "$SHELL"
# Windows and panes start at 1
set -g base-index 1
setw -g pane-base-index 1
set -g renumber-windows on
set -g history-limit 100000
set -sg escape-time 10
set -g focus-events on
set -g display-time 4000
# Mouse
set -g mouse on
set -g set-clipboard on
# Copy mode
setw -g mode-keys vi
bind -T copy-mode-vi v send -X begin-selection
bind -T copy-mode-vi y send -X copy-pipe-and-cancel "pbcopy 2>/dev/null || xclip -selection clipboard 2>/dev/null || xsel --clipboard"
bind -T copy-mode-vi MouseDown1Pane send -X clear-selection
bind -T copy-mode-vi MouseDragEnd1Pane send -X copy-pipe-and-cancel "pbcopy 2>/dev/null || xclip -selection clipboard 2>/dev/null || xsel --clipboard"
# Splits
bind | split-window -h -c "#{pane_current_path}"
bind - split-window -v -c "#{pane_current_path}"
unbind '"'
unbind %
bind c new-window -c "#{pane_current_path}"
# Pane navigation
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R
# Pane resize
bind -r C-h resize-pane -L 5
bind -r C-j resize-pane -D 5
bind -r C-k resize-pane -U 5
bind -r C-l resize-pane -R 5
# Quick switch to last window
bind a last-window
# Reload
bind r source-file ~/.tmux.conf \; display "Config reloaded"
# Screensaver
bind S lock-session
# Status bar
set -g status-position bottom
set -g status-interval 1
set -g status-style "fg=#7290B8,bg=default"
set -g status-left "#{?client_prefix,#[fg=colour208]● ,#[fg=#3C3C3C]● }"
set -g status-right "#(~/.tmux/network.sh) #[fg=#3C3C3C] #(~/.tmux/battery.sh) #[fg=#3C3C3C] #[fg=#808080]%a %d %b #[fg=#2CB494,bg=#1A1A1A] %H:%M #[default] "
set -g status-right-length 80
set -g window-status-format "#{?window_last_flag, #[fg=#1A7A64]#I#[fg=default] #W , #I #W }"
set -g window-status-current-format " #[fg=#085040]#I#[fg=#0A0A0A] #W "
set -g window-status-separator " "
set -g window-status-style "fg=#808080,bg=#1A1A1A"
set -g window-status-current-style "fg=#0A0A0A,bg=#2CB494,bold"
set -g window-status-bell-style "fg=colour234,bg=colour208,bold"
set -g monitor-bell on
set -g visual-bell off
set -g pane-border-style "fg=#3C3C3C"
set -g pane-active-border-style "fg=#2CB494"
set -g message-style "fg=#2CB494,bg=default"
set -g message-command-style "fg=#F88C14,bg=default"
set -g mode-style "fg=colour255,bg=colour30,bold"
set -g display-panes-colour "#808080"
set -g display-panes-active-colour "#2CB494"
# Clock
set -g clock-mode-colour "#2CB494"
# Screensaver
set -g lock-after-time 180
set -g lock-command 'eval $(grep active_total ${TMPDIR:-/tmp}/.tmux_heartbeat 2>/dev/null); ~/.tmux/donut ${active_total:-0}'
set -g automatic-rename on
set -g allow-rename off
set -g automatic-rename-format '#(~/.tmux/tab-name.sh "#{pane_current_command}" "#{b:pane_current_path}")'