ui/popup: refactor :popup/:popups settings

And move org popup settings to lang/org

modules/lang/org/config.el

@@ -39,6 +39,7 @@
 (add-hook! 'org-load-hook
   #'(org-crypt-use-before-save-magic
      +org|setup-ui
+     +org|setup-popups-rules
      +org|setup-agenda
      +org|setup-keybinds
      +org|setup-hacks))
@@ -130,6 +131,22 @@ unfold to point on startup."
         org-agenda-start-on-weekday nil
         org-agenda-start-day "-3d"))
 
+(defun +org|setup-popups-rules ()
+  "Defines popup rules for org-mode (does nothing if :ui popup is disabled)."
+  (set! :popups
+    '("^\\*\\(?:Agenda Com\\|Calendar\\|Org \\(?:Links\\|Export Dispatcher\\|Select\\)\\)"
+      ((slot . -1) (vslot . -1) (size . +popup-shrink-to-fit))
+      ((transient . 0)))
+    '("^\\*Org Agenda"
+      ((size . 0.35))
+      ((select . t) (transient)))
+    '("^\\*Org Src"
+      ((size . 0.3))
+      ((quit) (select . t)))
+    '("^CAPTURE.*\\.org$"
+      ((size . 0.2))
+      ((quit) (select . t)))))
+
 (defun +org|setup-ui ()
   "Configures the UI for `org-mode'."
   (setq-default