Update tmux config

Add:
- Toggle popup window in a scratch session
- Send current pane to a window interactively
- Send current pane to new window
- Swap windows

config/tmux/tmux.conf

@@ -14,6 +14,7 @@ bind -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "wl-copy"
 # set -g -a terminal-overrides ',*:Ss=\E[%p1%d q:Se=\E[2 q'
 set -sg escape-time 0
 set-option -g focus-events on
+set-option -g renumber-windows on
 
 ## Keybindings
 unbind C-b
@@ -31,15 +32,26 @@ bind V copy-mode
 # Panes
 unbind v
 unbind s
+unbind D
 unbind % # Split vertically
 unbind '"' # Split horizontally
 
 bind s split-window -h -c "#{pane_current_path}"
 bind v split-window -v -c "#{pane_current_path}"
-bind C-Space display-popup -w '80%' -h '80%' -E
+bind D kill-pane
+
+bind-key C-Space if-shell -F '#{==:#{session_name},scratch}' {
+detach-client
+} {
+display-popup -w '80%' -h '80%' -d "#{pane_current_path}" -E "tmux new-session -A -s scratch"
+}
 
 bind -r m resize-pane -Z # maximize pane
 
+bind-key M choose-window -Nwf"##{==:##{session_name},#{session_name}}"  "join-pane -h -t '%%'" # Send pane to window
+bind-key N break-pane # send current pane to new window
+bind-key S command-prompt -p "Swap window with:"  "swap-window -d -t '%%'" # send current pane to new window
+
 # Windows
 unbind r
 unbind n