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90 lines
2.7 KiB
Python
90 lines
2.7 KiB
Python
import random
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import sys
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from textual import events
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from textual.app import App
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from textual.widget import Widget
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from textual.widgets import Placeholder
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class BasicApp(App):
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"""Sandbox application used for testing/development by Textual developers"""
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def on_load(self):
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self.bind("q", "quit", "Quit")
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self.bind("d", "dump")
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self.bind("t", "log_tree")
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self.bind("p", "print")
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self.bind("o", "toggle_visibility")
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self.bind("p", "toggle_display")
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self.bind("f", "modify_focussed")
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self.bind("b", "toggle_border")
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async def on_mount(self):
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"""Build layout here."""
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uber2 = Widget()
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uber2.add_children(
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Widget(id="uber2-child1"),
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Widget(id="uber2-child2"),
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)
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first_child = Placeholder(id="child1", classes={"list-item"})
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uber1 = Widget(
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Placeholder(id="child1", classes="list-item"),
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Placeholder(id="child2", classes="list-item"),
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Placeholder(id="child3", classes="list-item"),
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Placeholder(classes="list-item"),
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Placeholder(classes="list-item"),
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Placeholder(classes="list-item"),
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)
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self.mount(uber1=uber1)
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await first_child.focus()
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async def on_key(self, event: events.Key) -> None:
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await self.dispatch_key(event)
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def action_quit(self):
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self.panic(self.app.tree)
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def action_dump(self):
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self.panic(str(self.app.registry))
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def action_log_tree(self):
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self.log(self.screen.tree)
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def action_print(self):
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print(
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"Printed using builtin [b blue]print[/] function:",
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self.screen.tree,
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sep=" - ",
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)
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print(1234, 5678)
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sys.stdout.write("abcdef")
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def action_modify_focussed(self):
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"""Increment height of focussed child, randomise border and bg color"""
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previous_height = self.focused.styles.height.value
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new_height = previous_height + 1
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self.focused.styles.height = self.focused.styles.height.copy_with(
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value=new_height
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)
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color = random.choice(["red", "green", "blue"])
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self.focused.styles.background = color
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self.focused.styles.border = ("dashed", color)
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def action_toggle_visibility(self):
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self.focused.visible = not self.focused.visible
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def action_toggle_display(self):
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# TODO: Doesn't work
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self.focused.display = not self.focused.display
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def action_toggle_border(self):
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self.focused.styles.border = ("solid", "red")
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app = BasicApp(css_file="uber.css", log="textual.log", log_verbosity=1)
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if __name__ == "__main__":
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app.run()
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