Fix vertical layout

src/textual/layouts/vertical.py

@@ -2,6 +2,8 @@ from __future__ import annotations
 
 from typing import Iterable, TYPE_CHECKING
 
+from textual import log
+from ..css.styles import Styles
 from ..geometry import Offset, Region, Size, Spacing, SpacingDimensions
 from ..layout import Layout, WidgetPlacement
 from .._loop import loop_last
@@ -44,13 +46,15 @@ class VerticalLayout(Layout):
         gutter_height = max(gutter.top, gutter.bottom)
 
         for last, widget in loop_last(view.children):
-            if (
-                not widget.render_cache
-                or widget.render_cache.size.width != render_width
-            ):
-                widget.render_lines_free(render_width)
-            assert widget.render_cache is not None
-            render_height = widget.render_cache.size.height
+            styles: Styles = widget.styles
+            if styles.height:
+                render_height = int(
+                    styles.height.resolve_dimension(size, view.app.size)
+                )
+            else:
+                render_height = size.height
+            if styles.width:
+                render_width = min(styles.width.cells, render_width)
             region = Region(x, y, render_width, render_height)
             yield WidgetPlacement(region, widget, self.z)
             y += render_height + (gutter.bottom if last else gutter_height)

src/textual/widget.py

@@ -20,7 +20,7 @@ from rich.style import Style
 from rich.styled import Styled
 from rich.text import Text
 
-from . import errors
+from . import errors, log
 from . import events
 from ._animator import BoundAnimator
 from ._border import Border
@@ -36,8 +36,6 @@ from .reactive import watch
 if TYPE_CHECKING:
     from .view import View
 
-log = getLogger("rich")
-
 
 class RenderCache(NamedTuple):
     size: Size
@@ -232,12 +230,6 @@ class Widget(DOMNode):
         lines = self.console.render_lines(renderable, options)
         self.render_cache = RenderCache(self.size, lines)
 
-    def render_lines_free(self, width: int) -> None:
-        renderable = self.render_styled()
-        options = self.console.options.update(width=width, height=None)
-        lines = self.console.render_lines(renderable, options)
-        self.render_cache = RenderCache(Size(width, len(lines)), lines)
-
     def _get_lines(self) -> Lines:
         """Get segment lines to render the widget."""
         if self.render_cache is None: