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add animation system

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This commit is contained in:
Will McGugan
2021-06-23 21:42:57 +01:00
parent 2be8bf9e74
commit 5ed98ba750
6 changed files with 54 additions and 24 deletions
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10
src/textual/scrollbar.py
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@@ -142,6 +142,7 @@ class ScrollBar(Widget):
virtual_size: Reactive[int] = Reactive(100)
window_size: Reactive[int] = Reactive(20)
position: Reactive[int] = Reactive(0)
mouse_over: Reactive[bool] = Reactive(False)
def __rich_repr__(self) -> RichReprResult:
yield "virtual_size", self.virtual_size
@@ -156,8 +157,17 @@ class ScrollBar(Widget):
window_size=self.window_size,
position=self.position,
vertical=self.vertical,
style="bright_magenta on #555555"
if self.mouse_over
else "bright_magenta on #444444",
)
async def on_enter(self, event: events.Enter) -> None:
self.mouse_over = True
async def on_leave(self, event: events.Leave) -> None:
self.mouse_over = False
if __name__ == "__main__":
from rich.console import Console