color docstrings

src/textual/color.py

@@ -22,7 +22,7 @@ for name, triplet in sorted(COLOR_NAME_TO_RGB.items()):
     r, g, b = triplet
     table.add_row(
         f'"{name}"',
-        f"{color.hex}",
+        Text(f"{color.hex}", "bold green"),
         f"rgb({r}, {g}, {b})",
         Text("                    ", style=f"on rgb({r},{g},{b})")
     )
@@ -273,7 +273,7 @@ class Color(NamedTuple):
         """The color in CSS hex form, with 6 digits for RGB, and 8 digits for RGBA.
 
         Returns:
-            str: A CSS hex-style color, e.g. "#46b3de" or "#3342457f"
+            str: A CSS hex-style color, e.g. `"#46b3de"` or `"#3342457f"`
 
         """
         r, g, b, a = self.clamped
@@ -288,7 +288,7 @@ class Color(NamedTuple):
         """The color in CSS rgb or rgba form.
 
         Returns:
-            str: A CSS style color, e.g. "rgb(10,20,30)" or "rgb(50,70,80,0.5)"
+            str: A CSS style color, e.g. `"rgb(10,20,30)"` or `"rgb(50,70,80,0.5)"`
 
         """
         r, g, b, a = self

src/textual/design.py

@@ -13,9 +13,9 @@ from .color import Color, WHITE
 NUMBER_OF_SHADES = 3
 
 # Where no content exists
-DEFAULT_DARK_BACKGROUND = "#000000"
+DEFAULT_DARK_BACKGROUND = "#121212"
 # What text usually goes on top off
-DEFAULT_DARK_SURFACE = "#121212"
+DEFAULT_DARK_SURFACE = "#292929"
 
 DEFAULT_LIGHT_SURFACE = "#f5f5f5"
 DEFAULT_LIGHT_BACKGROUND = "#efefef"

src/textual/geometry.py

@@ -249,14 +249,7 @@ class Region(NamedTuple):
     """The height of the region."""
 
     @classmethod
-    def from_union(
-        cls,
-        regions: Collection[Region],
-        _get_x=itemgetter(0),
-        _get_y=itemgetter(1),
-        _get_right=attrgetter("right"),
-        _get_bottom=attrgetter("bottom"),
-    ) -> Region:
+    def from_union(cls, regions: Collection[Region]) -> Region:
         """Create a Region from the union of other regions.
 
         Args:
@@ -267,10 +260,10 @@ class Region(NamedTuple):
         """
         if not regions:
             raise ValueError("At least one region expected")
-        min_x = min(regions, key=_get_x).x
-        max_x = max(regions, key=_get_right).right
-        min_y = min(regions, key=_get_y).y
-        max_y = max(regions, key=_get_bottom).bottom
+        min_x = min(regions, key=itemgetter(0)).x
+        max_x = max(regions, key=attrgetter("right")).right
+        min_y = min(regions, key=itemgetter(1)).y
+        max_y = max(regions, key=attrgetter("bottom")).bottom
         return cls(min_x, min_y, max_x - min_x, max_y - min_y)
 
     @classmethod