feat: big title

backend/uframe/paint.py

@@ -19,9 +19,11 @@ from uframe.ir import (
     Heading, Text, Label, Divider, Link, ListNode, ListItem,
     Gauge, Sparkline, Status, Table,
     Form, Field, Password, Radio, Checkbox, FormButton,
+    BigTitle,
     HeadingLevel, DividerStyle, ListStyle, Align, BorderWeight,
 )
 from uframe.themes import ThemeDef, THEME_DEFAULT
+from uframe.fonts import render_big_text, get_text_width, FONT_HEIGHTS
 
 
 def _align_text(text: str, width: int, align: Align) -> str:
@@ -220,6 +222,38 @@ def paint(node: IRNode, grid: CharGrid, theme: ThemeDef | None = None) -> None:
         grid.put(x, y, char, style=CellStyle(fg=color))
         grid.put_text(x + 2, y, node.label)
 
+    elif isinstance(node, BigTitle):
+        style = CellStyle(fg=node.style.fg or th.palette.accent, bold=True)
+
+        # Determine which font fits
+        font = node.font
+        tw = get_text_width(node.text, font)
+        if tw > w:
+            # Try fallback cascade
+            for fallback in ["pixel", "thin"]:
+                if get_text_width(node.text, fallback) <= w:
+                    font = fallback
+                    tw = get_text_width(node.text, fallback)
+                    break
+            else:
+                # Final fallback: styled single line
+                styled = f"═══ {node.text.upper()} ═══"
+                grid.put_text(x, y, styled[:w], style=style)
+                return
+
+        lines = render_big_text(node.text, font)
+
+        # Center if align is set
+        offset = 0
+        if node.style.align == Align.CENTER:
+            offset = max(0, (w - tw) // 2)
+        elif node.style.align == Align.RIGHT:
+            offset = max(0, w - tw)
+
+        for row_i, line in enumerate(lines):
+            if y + row_i < grid.height:
+                grid.put_text(x + offset, y + row_i, line, style=style)
+
     elif isinstance(node, Table):
         _paint_table(node, grid, x, y, w)