Renamed 'Vertical' to 'VerticalScroll'.

Related issues: #1957.

tests/snapshot_tests/snapshot_apps/auto_width_input.py

@@ -1,10 +1,9 @@
 from textual.app import App, ComposeResult
-from textual.containers import Vertical
+from textual.containers import VerticalScroll
 from textual.widgets import Header, Footer, Label, Input
 
 
 class InputWidthAutoApp(App[None]):
-
     CSS = """
     Input.auto {
         width: auto;

tests/snapshot_tests/snapshot_apps/disable_widgets.py

@@ -1,5 +1,5 @@
 from textual.app import App, ComposeResult
-from textual.containers import Vertical, Horizontal
+from textual.containers import VerticalScroll, Horizontal
 from textual.widgets import (
     Header,
     Footer,
@@ -17,7 +17,6 @@ from textual.widgets import (
 
 
 class WidgetDisableTestApp(App[None]):
-
     CSS = """
     Horizontal {
         height: auto;
@@ -54,7 +53,7 @@ class WidgetDisableTestApp(App[None]):
 
     def compose(self) -> ComposeResult:
         yield Header()
-        yield Vertical(
+        yield VerticalScroll(
             Horizontal(
                 Button(),
                 Button(variant="primary"),
@@ -77,7 +76,7 @@ class WidgetDisableTestApp(App[None]):
 
     def on_mount(self) -> None:
         self.query_one(TextLog).write("Hello, World!")
-        self.query_one("#test-container", Vertical).disabled = True
+        self.query_one("#test-container", VerticalScroll).disabled = True
 
 
 if __name__ == "__main__":

tests/snapshot_tests/snapshot_apps/focus_component_class.py

@@ -1,7 +1,7 @@
 from rich.text import Text
 
 from textual.app import App, ComposeResult, RenderResult
-from textual.containers import Vertical
+from textual.containers import VerticalScroll
 from textual.widgets import Header, Footer
 from textual.widget import Widget
 
@@ -32,7 +32,7 @@ class Tester(Widget, can_focus=True):
 class StyleBugApp(App[None]):
     def compose(self) -> ComposeResult:
         yield Header()
-        with Vertical():
+        with VerticalScroll():
             for n in range(40):
                 yield Tester(n)
         yield Footer()

tests/snapshot_tests/snapshot_apps/fr_units.py

@@ -1,5 +1,5 @@
 from textual.app import App, ComposeResult
-from textual.containers import Horizontal, Vertical
+from textual.containers import Horizontal, VerticalScroll
 from textual.widgets import Static
 
 
@@ -8,7 +8,6 @@ class StaticText(Static):
 
 
 class FRApp(App):
-
     CSS = """
     StaticText {
         height: 1fr;
@@ -39,7 +38,7 @@ class FRApp(App):
     """
 
     def compose(self) -> ComposeResult:
-        yield Vertical(
+        yield VerticalScroll(
             StaticText("HEADER", id="header"),
             Horizontal(
                 StaticText("foo", id="foo"),

tests/snapshot_tests/snapshot_apps/layer_order_independence.py

@@ -1,7 +1,7 @@
 from textual.app import App, ComposeResult
 from textual.screen import Screen
 from textual.widgets import Header, Footer, Label
-from textual.containers import Vertical, Container
+from textual.containers import VerticalScroll, Container
 
 
 class Overlay(Container):
@@ -9,12 +9,12 @@ class Overlay(Container):
         yield Label("This should float over the top")
 
 
-class Body1(Vertical):
+class Body1(VerticalScroll):
     def compose(self) -> ComposeResult:
         yield Label("My God! It's full of stars! " * 300)
 
 
-class Body2(Vertical):
+class Body2(VerticalScroll):
     def compose(self) -> ComposeResult:
         yield Label("My God! It's full of stars! " * 300)
 
@@ -36,7 +36,6 @@ class Bad(Screen):
 
 
 class Layers(App[None]):
-
     CSS = """
     Screen {
         layers: base higher;

tests/snapshot_tests/snapshot_apps/line_api_scrollbars.py

@@ -1,7 +1,7 @@
 from rich.text import Text
 
 from textual.app import App, ComposeResult
-from textual.containers import Vertical
+from textual.containers import VerticalScroll
 from textual.widget import Widget
 from textual.widgets import TextLog
 
@@ -21,32 +21,32 @@ class ScrollViewApp(App):
     Screen {
         align: center middle;
     }
-    
+
     TextLog {
         width:13;
-        height:10;        
+        height:10;
     }
 
-    Vertical{
+    VerticalScroll {
         width:13;
         height: 10;
         overflow: scroll;
         overflow-x: auto;
     }
+
     MyWidget {
         width:13;
         height:auto;
     }
-
     """
 
     def compose(self) -> ComposeResult:
         yield TextLog()
-        yield Vertical(MyWidget())
+        yield VerticalScroll(MyWidget())
 
     def on_ready(self) -> None:
         self.query_one(TextLog).write("\n".join(f"{n} 0123456789" for n in range(20)))
-        self.query_one(Vertical).scroll_end(animate=False)
+        self.query_one(VerticalScroll).scroll_end(animate=False)
 
 
 if __name__ == "__main__":

tests/snapshot_tests/snapshot_apps/nested_auto_heights.py

@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 from textual.app import App, ComposeResult
-from textual.containers import Vertical
+from textual.containers import VerticalScroll
 from textual.widgets import Static
 
 
@@ -42,8 +42,8 @@ class NestedAutoApp(App[None]):
 
     def compose(self) -> ComposeResult:
         self._static = Static("", id="my-static")
-        yield Vertical(
-            Vertical(
+        yield VerticalScroll(
+            VerticalScroll(
                 self._static,
                 id="my-static-wrapper",
             ),

tests/snapshot_tests/snapshot_apps/offsets.py

@@ -1,5 +1,5 @@
 from textual.app import App, ComposeResult
-from textual.containers import Vertical
+from textual.containers import VerticalScroll
 from textual.widgets import Label, Static
 
 
@@ -18,7 +18,6 @@ class Box(Static):
 
 
 class OffsetsApp(App):
-
     CSS = """
     
     #box1 {

tests/snapshot_tests/snapshot_apps/visibility.py

@@ -1,5 +1,5 @@
 from textual.app import App
-from textual.containers import Vertical
+from textual.containers import VerticalScroll
 from textual.widgets import Static
 
 
@@ -10,7 +10,7 @@ class Visibility(App):
     Screen {
         layout: horizontal;        
     }
-    Vertical {
+    VerticalScroll {
         width: 1fr;
         border: solid red;
     }
@@ -30,13 +30,12 @@ class Visibility(App):
     """
 
     def compose(self):
-
-        yield Vertical(
+        yield VerticalScroll(
             Static("foo"),
             Static("float", classes="float"),
             id="container1",
         )
-        yield Vertical(
+        yield VerticalScroll(
             Static("bar"),
             Static("float", classes="float"),
             id="container2",