File size: 4,951 Bytes
2c3c408 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | from dataclasses import dataclass
from rich.console import RenderableType
from rich.padding import Padding
from rich.rule import Rule
from rich.style import Style
from textual import events
from textual.app import App
from textual.widget import Widget
from textual.widgets.tabs import Tabs, Tab
class Hr(Widget):
def render(self) -> RenderableType:
return Rule()
class Info(Widget):
def __init__(self, text: str) -> None:
super().__init__()
self.text = text
def render(self) -> RenderableType:
return Padding(f"{self.text}", pad=(0, 1))
@dataclass
class WidgetDescription:
description: str
widget: Widget
class BasicApp(App):
"""Sandbox application used for testing/development by Textual developers"""
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.keys_to_tabs = {
"1": Tab("January", name="one"),
"2": Tab("に月", name="two"),
"3": Tab("March", name="three"),
"4": Tab("April", name="four"),
"5": Tab("May", name="five"),
"6": Tab("And a really long tab!", name="six"),
}
tabs = list(self.keys_to_tabs.values())
self.examples = [
WidgetDescription(
"Customise the spacing between tabs, e.g. tab_padding=1",
Tabs(
tabs,
tab_padding=1,
),
),
WidgetDescription(
"Change the opacity of inactive tab text, e.g. inactive_text_opacity=.2",
Tabs(
tabs,
active_tab="two",
active_bar_style="#1493FF",
inactive_text_opacity=0.2,
tab_padding=2,
),
),
WidgetDescription(
"Change the color of the inactive portions of the underline, e.g. inactive_bar_style='blue'",
Tabs(
tabs,
active_tab="four",
inactive_bar_style="blue",
),
),
WidgetDescription(
"Change the color of the active portion of the underline, e.g. active_bar_style='red'",
Tabs(
tabs,
active_tab="five",
active_bar_style="red",
inactive_text_opacity=1,
),
),
WidgetDescription(
"Change the styling of active and inactive labels (active_tab_style, inactive_tab_style)",
Tabs(
tabs,
active_tab="one",
active_bar_style="#DA812D",
active_tab_style="bold #FFCB4D on #021720",
inactive_tab_style="italic #887AEF on #021720",
inactive_bar_style="#695CC8",
inactive_text_opacity=0.6,
),
),
WidgetDescription(
"Change the animation duration and function (animation_duration=1, animation_function='out_quad')",
Tabs(
tabs,
active_tab="one",
active_bar_style="#887AEF",
inactive_text_opacity=0.2,
animation_duration=1,
animation_function="out_quad",
),
),
WidgetDescription(
"Choose which tab to start on by name, e.g. active_tab='three'",
Tabs(
tabs,
active_tab="three",
active_bar_style="#FFCB4D",
tab_padding=3,
),
),
]
def on_load(self):
"""Bind keys here."""
self.bind("tab", "toggle_class('#sidebar', '-active')")
self.bind("a", "toggle_class('#header', '-visible')")
self.bind("c", "toggle_class('#content', '-content-visible')")
self.bind("d", "toggle_class('#footer', 'dim')")
def on_key(self, event: events.Key) -> None:
for example in self.examples:
tab = self.keys_to_tabs.get(event.key)
if tab:
example.widget._active_tab_name = tab.name
def on_mount(self):
"""Build layout here."""
self.mount(
info=Info(
"\n"
"• The examples below show customisation options for the [bold #1493FF]Tabs[/] widget.\n"
"• Press keys 1-6 on your keyboard to switch tabs, or click on a tab.",
)
)
for example in self.examples:
info = Info(example.description)
self.mount(Hr())
self.mount(info)
self.mount(example.widget)
app = BasicApp(css_path="tabs.scss", watch_css=True, log_path="textual.log")
app.run()
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