Merge pull request #545 from Textualize/hot-reload-scrollbars

Refresh scrollbars on style changes.

src/textual/css/stylesheet.py

@@ -15,6 +15,7 @@
 from rich.syntax import Syntax
 from rich.text import Text
 
+from textual.widget import Widget
 from .errors import StylesheetError
 from .match import _check_selectors
 from .model import RuleSet
@@ -304,6 +305,8 @@ def apply(self, node: DOMNode, animate: bool = False) -> None:
             },
         )
         self.replace_rules(node, node_rules, animate=animate)
+        if isinstance(node, Widget):
+            node._refresh_scrollbars()
 
     @classmethod
     def replace_rules(

src/textual/dom.py

@@ -343,6 +343,7 @@ def get_pseudo_classes(self) -> Iterable[str]:
         return ()
 
     def reset_styles(self) -> None:
+        """Reset styles back to their initial state"""
         from .widget import Widget
 
         for node in self.walk_children():

src/textual/widgets/text_input.py

@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-import time
 from typing import Callable
 
 from rich.cells import cell_len
@@ -135,7 +134,7 @@ def __init__(
         super().__init__(name=name, id=id, classes=classes)
         self.placeholder = placeholder
         self._editor = TextEditorBackend(initial, 0)
-        self.visible_range: tuple[int, int] | None = None
+        self.visible_range: tuple[int, int] = (0, 0)
         self.autocompleter = autocompleter
         self._suggestion_suffix = ""
 
@@ -282,18 +281,6 @@ def on_key(self, event: events.Key) -> None:
             if visible_content_to_cursor_cell_len + key_cell_len >= available_width:
                 self.visible_range = start + key_cell_len, end + key_cell_len
             self._update_suggestion(event)
-        elif (
-            key == "ctrl+x"
-        ):  # TODO: This allows us to query and print the text input state
-            self.log(start=start)
-            self.log(end=end)
-            self.log(visible_content=visible_content)
-            self.log(visible_content_cell_len=visible_content_cell_len)
-            self.log(
-                visible_content_to_cursor_cell_len=visible_content_to_cursor_cell_len
-            )
-            self.log(available_width=available_width)
-            self.log(cursor_index=self._editor.cursor_index)
         elif key == "enter" and self._editor.content:
             self.post_message_no_wait(TextInput.Submitted(self, self._editor.content))
         elif key == "right":