update tmux pane management

stow-dotfiles/tmux/.tmux.conf

@@ -24,23 +24,43 @@ bind C-s send-prefix -2
 #
 # Use <prefix>:q to select pane by number
 
-bind k select-pane -U
-bind j select-pane -D
-bind h select-pane -L
-bind l select-pane -R
+# Use 'q'+number to select pane. Use ; to move the last selected pane.
+# bind k select-pane -U
+# bind j select-pane -D
+# bind h select-pane -L
+# bind l select-pane -R
 
 # The default key-binding for 'last-window' is 'l'. We change it to 'o',
 # because we have bound 'l' to 'select-pane'.
-bind o last-window
+# bind o last-window
 
-bind -r K resize-pane -U 5
-bind -r J resize-pane -D 5
-bind -r H resize-pane -L 5
-bind -r L resize-pane -R 5
+# The default key-binding is M-Left, M-Right, M-Up, M-Down.
+# bind -r K resize-pane -U 5
+# bind -r J resize-pane -D 5
+# bind -r H resize-pane -L 5
+# bind -r L resize-pane -R 5
 
 # https://superuser.com/questions/343572/how-do-i-reorder-tmux-windows
-bind -r C-h swap-window -t -1\; select-window -t -1
-bind -r C-l swap-window -t +1\; select-window -t +1
+bind -r H swap-window -t -1\; select-window -t -1
+bind -r L swap-window -t +1\; select-window -t +1
+
+# current pane full screen toggle
+bind o resize-pane -Z
+# Maximize the current pane
+bind _ if-shell -F '#{==:#{PANE_VERTICAL},true}' {
+  resize-pane -y 70%
+  setenv -g PANE_VERTICAL false
+} {
+  resize-pane -y 100%
+  setenv -g PANE_VERTICAL true
+}
+bind | if-shell -F '#{==:#{PANE_HORIZONTAL},true}' {
+  resize-pane -x 70%
+  setenv -g PANE_HORIZONTAL false
+} {
+  resize-pane -x 100%
+  setenv -g PANE_HORIZONTAL true
+}
 
 # Join the last active pane to the current window
 bind W "join-pane -s !"