feat: dynamic mode

backend/uframe/layout.py

@@ -6,6 +6,8 @@ from uframe.ir import (
     IRNode, Page, Box, Row, Col, Spacer, Pad, Rect,
     Heading, Text, Label, Divider, Link, ListNode, ListItem,
     Gauge, Sparkline, Status, Table,
+    Form, Field, Password, Radio, Checkbox, FormButton,
+    Let, Source, IfBlock, ForLoop, CacheControl, OnSubmit, StateDecl,
 )
 
 
@@ -111,8 +113,29 @@ def layout(node: IRNode, x: int, y: int, w: int, h: int) -> int:
         node.rect.h = (cursor_y - y) + node.bottom
         return node.rect.h
 
+    elif isinstance(node, Form):
+        cursor_y = y
+        for child in node.children:
+            child_h = layout(child, x, cursor_y, w, h - (cursor_y - y))
+            cursor_y += child_h
+        node.rect.h = cursor_y - y
+        return node.rect.h
+
+    elif isinstance(node, (Let, Source, CacheControl, StateDecl)):
+        node.rect.h = 0
+        return 0
+
+    elif isinstance(node, (IfBlock, ForLoop, OnSubmit)):
+        cursor_y = y
+        for child in node.children:
+            child_h = layout(child, x, cursor_y, w, h - (cursor_y - y))
+            cursor_y += child_h
+        node.rect.h = cursor_y - y
+        return node.rect.h
+
     elif isinstance(node, (Heading, Text, Label, Divider, Link, ListItem,
-                           Gauge, Sparkline, Status, Table)):
+                           Gauge, Sparkline, Status, Table,
+                           Field, Password, Radio, Checkbox, FormButton)):
         node.rect.h = node.pref_height
         return node.pref_height