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* Add on decorator * decorator code * docs for on decorator * Examples * test errors * simplify listing * words * changelog * Update docs/guide/events.md Co-authored-by: Dave Pearson <davep@davep.org> * Update docs/guide/events.md Co-authored-by: Dave Pearson <davep@davep.org> * Update docs/examples/events/on_decorator.css Co-authored-by: Rodrigo Girão Serrão <5621605+rodrigogiraoserrao@users.noreply.github.com> * Update docs/guide/events.md Co-authored-by: Rodrigo Girão Serrão <5621605+rodrigogiraoserrao@users.noreply.github.com> * rewording * comment * clarification * Added note --------- Co-authored-by: Dave Pearson <davep@davep.org> Co-authored-by: Rodrigo Girão Serrão <5621605+rodrigogiraoserrao@users.noreply.github.com>
49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
from textual.app import App, ComposeResult
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from textual.color import Color
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from textual.message import Message
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from textual.widgets import Static
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class ColorButton(Static):
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"""A color button."""
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class Selected(Message):
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"""Color selected message."""
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def __init__(self, color: Color) -> None:
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self.color = color
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super().__init__()
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def __init__(self, color: Color) -> None:
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self.color = color
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super().__init__()
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def on_mount(self) -> None:
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self.styles.margin = (1, 2)
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self.styles.content_align = ("center", "middle")
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self.styles.background = Color.parse("#ffffff33")
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self.styles.border = ("tall", self.color)
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def on_click(self) -> None:
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# The post_message method sends an event to be handled in the DOM
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self.post_message(self.Selected(self.color))
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def render(self) -> str:
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return str(self.color)
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class ColorApp(App):
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def compose(self) -> ComposeResult:
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yield ColorButton(Color.parse("#008080"))
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yield ColorButton(Color.parse("#808000"))
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yield ColorButton(Color.parse("#E9967A"))
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yield ColorButton(Color.parse("#121212"))
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def on_color_button_selected(self, message: ColorButton.Selected) -> None:
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self.screen.styles.animate("background", message.color, duration=0.5)
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if __name__ == "__main__":
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app = ColorApp()
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app.run()
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