Remove unused file, tidying imports

sandbox/tabs.py

@@ -6,9 +6,8 @@ from rich.rule import Rule
 
 from textual import events
 from textual.app import App
-from textual.renderables._tab_headers import Tab
 from textual.widget import Widget
-from textual.widgets.tabs import Tabs
+from textual.widgets.tabs import Tabs, Tab
 
 
 class Hr(Widget):

src/textual/renderables/_tab_headers.py

@@ -1,122 +0,0 @@
-from __future__ import annotations
-
-from dataclasses import dataclass
-from typing import Iterable
-
-from rich.cells import cell_len
-from rich.console import Console, ConsoleOptions, RenderResult
-from rich.style import Style, StyleType
-from rich.text import Text
-
-from textual.renderables.opacity import Opacity
-from textual.renderables.underline_bar import UnderlineBar
-
-
-@dataclass
-class Tab:
-    label: str
-    name: str | None = None
-
-    def __post_init__(self):
-        if self.name is None:
-            self.name = self.label
-
-    def __str__(self):
-        return self.label
-
-
-class TabHeadersRenderable:
-    def __init__(
-        self,
-        tabs: Iterable[Tab],
-        *,
-        active_tab_name: str,
-        active_bar_style: StyleType,
-        inactive_bar_style: StyleType,
-        inactive_text_opacity: float,
-        tab_padding: int | None,
-        bar_offset: float,
-        width: int | None = None,
-    ):
-        self.tabs = {tab.name: tab for tab in tabs}
-        self.active_tab_name = active_tab_name or next(iter(self.tabs))
-        self.active_bar_style = active_bar_style
-        self.inactive_bar_style = inactive_bar_style
-        self.bar_offset = bar_offset
-        self.width = width
-        self.tab_padding = tab_padding
-        self.inactive_text_opacity = inactive_text_opacity
-
-        self._range_cache: dict[str, tuple[int, int]] = {}
-
-    def get_active_range(self) -> tuple[int, int]:
-        return self._range_cache[self.active_tab_name]
-
-    def get_ranges(self):
-        return self._range_cache
-
-    def __rich_console__(
-        self, console: Console, options: ConsoleOptions
-    ) -> RenderResult:
-        width = self.width or options.max_width
-        tabs = self.tabs
-        tab_values = self.tabs.values()
-
-        if self.tab_padding is None:
-            total_len = sum(cell_len(header.label) for header in tab_values)
-            free_space = width - total_len
-            label_pad = (free_space // len(tabs) + 1) // 2
-        else:
-            label_pad = self.tab_padding
-
-        pad = Text(" " * label_pad, end="")
-
-        char_index = label_pad
-        for tab_index, tab in enumerate(tab_values):
-            yield pad
-            tab_content = Text(
-                tab.label,
-                end="",
-                style=Style(
-                    color="#f0f0f0",
-                    bgcolor="#262626",
-                    meta={"@click": f"range_clicked('{tab.name}')"},
-                ),
-            )
-
-            # Cache and move to next label
-            len_label = cell_len(tab.label)
-            self._range_cache[tab.name] = (char_index, char_index + len_label)
-            char_index += len_label + label_pad * 2
-
-            if tab.name == self.active_tab_name:
-                yield tab_content
-            else:
-                dimmed_tab_content = Opacity(
-                    tab_content, opacity=self.inactive_text_opacity
-                )
-                segments = list(console.render(dimmed_tab_content))
-                yield from segments
-
-            yield pad
-
-        ranges = self.get_ranges()
-        tab_index = int(self.bar_offset)
-        next_tab_index = (tab_index + 1) % len(ranges)
-
-        range_values = list(ranges.values())
-
-        tab1_start, tab1_end = range_values[tab_index]
-        tab2_start, tab2_end = range_values[next_tab_index]
-
-        bar_start = tab1_start + (tab2_start - tab1_start) * (
-            self.bar_offset - tab_index
-        )
-        bar_end = tab1_end + (tab2_end - tab1_end) * (self.bar_offset - tab_index)
-
-        underline = UnderlineBar(
-            highlight_range=(bar_start, bar_end),
-            highlight_style=self.active_bar_style,
-            background_style=self.inactive_bar_style,
-        )
-        yield from console.render(underline)

src/textual/widgets/tabs.py

@@ -11,13 +11,10 @@ from rich.segment import Segment
 from rich.style import StyleType, Style
 from rich.text import Text
 
-from textual import events, log
+from textual import events
 from textual._layout_resolve import layout_resolve
-from textual._loop import loop_first_last
-from textual.css.types import Edge
 from textual.keys import Keys
 from textual.reactive import Reactive
-from textual.renderables._tab_headers import Tab
 from textual.renderables.opacity import Opacity
 from textual.renderables.underline_bar import UnderlineBar
 from textual.widget import Widget