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| 1 | +# app.py |
| 2 | +import rich.box |
| 3 | +from rich.panel import Panel |
| 4 | +from rich.style import Style |
| 5 | +from rich.table import Table |
| 6 | +from rich.text import Text |
| 7 | +from textual import events |
| 8 | +from textual.app import App |
| 9 | +from textual.reactive import Reactive |
| 10 | +from textual.widgets import Footer, Header, Static |
| 11 | + |
| 12 | +from textual_inputs import IntegerInput, TextInput |
| 13 | + |
| 14 | + |
| 15 | +class CustomHeader(Header): |
| 16 | + """Override the default Header for Styling""" |
| 17 | + |
| 18 | + def __init__(self) -> None: |
| 19 | + super().__init__() |
| 20 | + self.tall = False |
| 21 | + |
| 22 | + def render(self) -> Table: |
| 23 | + header_table = Table.grid(padding=(0, 1), expand=True) |
| 24 | + header_table.style = Style(color="white", bgcolor="rgb(98,98,98)") |
| 25 | + header_table.add_column(justify="left", ratio=0, width=8) |
| 26 | + header_table.add_column("title", justify="center", ratio=1) |
| 27 | + header_table.add_column("clock", justify="right", width=8) |
| 28 | + header_table.add_row( |
| 29 | + "🔤", self.full_title, self.get_clock() if self.clock else "" |
| 30 | + ) |
| 31 | + return header_table |
| 32 | + |
| 33 | + async def on_click(self, event: events.Click) -> None: |
| 34 | + return await super().on_click(event) |
| 35 | + |
| 36 | + |
| 37 | +class CustomFooter(Footer): |
| 38 | + """Override the default Footer for Styling""" |
| 39 | + |
| 40 | + def make_key_text(self) -> Text: |
| 41 | + """Create text containing all the keys.""" |
| 42 | + text = Text( |
| 43 | + style="white on rgb(98,98,98)", |
| 44 | + no_wrap=True, |
| 45 | + overflow="ellipsis", |
| 46 | + justify="left", |
| 47 | + end="", |
| 48 | + ) |
| 49 | + for binding in self.app.bindings.shown_keys: |
| 50 | + key_display = ( |
| 51 | + binding.key.upper() |
| 52 | + if binding.key_display is None |
| 53 | + else binding.key_display |
| 54 | + ) |
| 55 | + hovered = self.highlight_key == binding.key |
| 56 | + key_text = Text.assemble( |
| 57 | + (f" {key_display} ", "reverse" if hovered else "default on default"), |
| 58 | + f" {binding.description} ", |
| 59 | + meta={"@click": f"app.press('{binding.key}')", "key": binding.key}, |
| 60 | + ) |
| 61 | + text.append_text(key_text) |
| 62 | + return text |
| 63 | + |
| 64 | + |
| 65 | +class Demo(App): |
| 66 | + |
| 67 | + current_index: Reactive[int] = Reactive(-1) |
| 68 | + |
| 69 | + def __init__(self, **kwargs) -> None: |
| 70 | + super().__init__(**kwargs) |
| 71 | + self.tab_index = ["username", "password", "age"] |
| 72 | + |
| 73 | + async def on_load(self) -> None: |
| 74 | + await self.bind("q", "quit", "Quit") |
| 75 | + await self.bind("enter", "submit", "Submit") |
| 76 | + await self.bind("escape", "reset_focus", show=False) |
| 77 | + await self.bind("ctrl+i", "next_tab_index", show=False) |
| 78 | + await self.bind("shift+tab", "previous_tab_index", show=False) |
| 79 | + |
| 80 | + async def on_mount(self) -> None: |
| 81 | + |
| 82 | + self.header = CustomHeader() |
| 83 | + await self.view.dock(self.header, edge="top") |
| 84 | + await self.view.dock(CustomFooter(), edge="bottom") |
| 85 | + |
| 86 | + self.username = TextInput( |
| 87 | + name="username", |
| 88 | + placeholder="enter your username...", |
| 89 | + title="Username", |
| 90 | + ) |
| 91 | + self.password = TextInput( |
| 92 | + name="password", |
| 93 | + placeholder="enter your password...", |
| 94 | + title="Password", |
| 95 | + password=True, |
| 96 | + ) |
| 97 | + self.age = IntegerInput( |
| 98 | + name="age", |
| 99 | + placeholder="enter your age...", |
| 100 | + title="Age", |
| 101 | + ) |
| 102 | + self.output = Static( |
| 103 | + renderable=Panel( |
| 104 | + "", |
| 105 | + title="Report", |
| 106 | + border_style="blue", |
| 107 | + box=rich.box.SQUARE |
| 108 | + ) |
| 109 | + ) |
| 110 | + |
| 111 | + await self.view.dock(self.output, edge="left", size=40) |
| 112 | + await self.view.dock(self.username, self.password, self.age, edge="top") |
| 113 | + |
| 114 | + async def action_next_tab_index(self) -> None: |
| 115 | + """Changes the focus to the next form field""" |
| 116 | + if self.current_index < len(self.tab_index) - 1: |
| 117 | + self.current_index += 1 |
| 118 | + await getattr(self, self.tab_index[self.current_index]).focus() |
| 119 | + |
| 120 | + async def action_previous_tab_index(self) -> None: |
| 121 | + """Changes the focus to the previous form field""" |
| 122 | + self.log(f"PREVIOUS {self.current_index}") |
| 123 | + if self.current_index > 0: |
| 124 | + self.current_index -= 1 |
| 125 | + await getattr(self, self.tab_index[self.current_index]).focus() |
| 126 | + |
| 127 | + async def action_submit(self) -> None: |
| 128 | + formatted = f""" |
| 129 | +username: {self.username.value} |
| 130 | +password: {"".join("•" for _ in self.password.value)} |
| 131 | + age: {self.age.value} |
| 132 | + """ |
| 133 | + await self.output.update( |
| 134 | + Panel( |
| 135 | + formatted, |
| 136 | + title="Report", |
| 137 | + border_style="blue", |
| 138 | + box=rich.box.SQUARE |
| 139 | + ) |
| 140 | + ) |
| 141 | + |
| 142 | + async def action_reset_focus(self) -> None: |
| 143 | + self.current_index = -1 |
| 144 | + await self.header.focus() |
| 145 | + |
| 146 | + async def message_input_on_change(self, message) -> None: |
| 147 | + self.log(f"Input: {message.sender.name} changed") |
| 148 | + |
| 149 | + async def message_input_on_focus(self, message) -> None: |
| 150 | + self.current_index = self.tab_index.index(message.sender.name) |
| 151 | + |
| 152 | + |
| 153 | +if __name__ == "__main__": |
| 154 | + Demo.run(title="Textual-Inputs Demo", log="textual.log") |
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