wehub-resource-sync
67 lines
1.9 KiB
Python
67 lines
1.9 KiB
Python
"""Help overlay listing every keybinding. Shown by `?`, dismissed by escape."""
|
|
|
|
from __future__ import annotations
|
|
|
|
from rich.text import Text
|
|
from textual.app import ComposeResult
|
|
from textual.binding import Binding
|
|
from textual.containers import Container
|
|
from textual.screen import ModalScreen
|
|
from textual.widgets import Static
|
|
|
|
|
|
_HELP_ROWS = [
|
|
("↑ ↓ / k j", "move selection in the tree"),
|
|
("h / l", "go to parent / select child in the tree"),
|
|
("← → / n p", "cycle to previous / next trace"),
|
|
("enter", "focus the details pane"),
|
|
("/", "filter the tree by span name"),
|
|
("escape", "clear the search filter"),
|
|
("y", "copy the selected node as JSON to clipboard"),
|
|
("Y", "copy the entire trace as JSON to clipboard"),
|
|
("?", "toggle this help"),
|
|
("q / ctrl+c", "quit"),
|
|
]
|
|
|
|
|
|
class HelpScreen(ModalScreen[None]):
|
|
BINDINGS = [
|
|
Binding("escape", "dismiss", "Close"),
|
|
Binding("question_mark", "dismiss", "Close"),
|
|
Binding("q", "dismiss", "Close"),
|
|
]
|
|
|
|
DEFAULT_CSS = """
|
|
HelpScreen {
|
|
align: center middle;
|
|
background: $background 75%;
|
|
}
|
|
HelpScreen > Container {
|
|
width: 60;
|
|
height: auto;
|
|
background: $surface;
|
|
border: round $accent;
|
|
padding: 1 2;
|
|
}
|
|
HelpScreen .help-title {
|
|
text-style: bold;
|
|
color: $accent;
|
|
padding-bottom: 1;
|
|
}
|
|
HelpScreen .help-row {
|
|
height: 1;
|
|
}
|
|
"""
|
|
|
|
def compose(self) -> ComposeResult:
|
|
with Container():
|
|
yield Static("Keybindings", classes="help-title")
|
|
for keys, desc in _HELP_ROWS:
|
|
row = Text()
|
|
row.append(f"{keys:<14}", style="bold cyan")
|
|
row.append(desc)
|
|
yield Static(row, classes="help-row")
|
|
|
|
def action_dismiss(self, _result: object = None) -> None:
|
|
self.app.pop_screen()
|