Renamed 'Vertical' to 'VerticalScroll'.

Related issues: #1957.

docs/examples/widgets/button.css

@@ -2,7 +2,7 @@ Button {
     margin: 1 2;
 }
 
-Horizontal > Vertical {
+Horizontal>VerticalScroll {
     width: 24;
 }
 

docs/examples/widgets/button.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 Button, Static
 
 
@@ -8,7 +8,7 @@ class ButtonsApp(App[str]):
 
     def compose(self) -> ComposeResult:
         yield Horizontal(
-            Vertical(
+            VerticalScroll(
                 Static("Standard Buttons", classes="header"),
                 Button("Default"),
                 Button("Primary!", variant="primary"),
@@ -16,7 +16,7 @@ class ButtonsApp(App[str]):
                 Button.warning("Warning!"),
                 Button.error("Error!"),
             ),
-            Vertical(
+            VerticalScroll(
                 Static("Disabled Buttons", classes="header"),
                 Button("Default", disabled=True),
                 Button("Primary!", variant="primary", disabled=True),

docs/examples/widgets/checkbox.css

@@ -2,7 +2,7 @@ Screen {
     align: center middle;
 }
 
-Vertical {
+VerticalScroll {
     width: auto;
     height: auto;
     border: solid $primary;

docs/examples/widgets/checkbox.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 Checkbox
 
 
@@ -7,7 +7,7 @@ class CheckboxApp(App[None]):
     CSS_PATH = "checkbox.css"
 
     def compose(self) -> ComposeResult:
-        with Vertical():
+        with VerticalScroll():
             yield Checkbox("Arrakis :sweat:")
             yield Checkbox("Caladan")
             yield Checkbox("Chusuk")

docs/examples/widgets/placeholder.py

@@ -1,14 +1,13 @@
 from textual.app import App, ComposeResult
-from textual.containers import Container, Horizontal, Vertical
+from textual.containers import Container, Horizontal, VerticalScroll
 from textual.widgets import Placeholder
 
 
 class PlaceholderApp(App):
-
     CSS_PATH = "placeholder.css"
 
     def compose(self) -> ComposeResult:
-        yield Vertical(
+        yield VerticalScroll(
             Container(
                 Placeholder("This is a custom label for p1.", id="p1"),
                 Placeholder("Placeholder p2 here!", id="p2"),

docs/examples/widgets/radio_set_changed.css

@@ -1,4 +1,4 @@
-Vertical {
+VerticalScroll {
     align: center middle;
 }
 

docs/examples/widgets/radio_set_changed.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 Label, RadioButton, RadioSet
 
 
@@ -7,7 +7,7 @@ class RadioSetChangedApp(App[None]):
     CSS_PATH = "radio_set_changed.css"
 
     def compose(self) -> ComposeResult:
-        with Vertical():
+        with VerticalScroll():
             with Horizontal():
                 with RadioSet():
                     yield RadioButton("Battlestar Galactica")