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Re-optimize ColorsBox palette updating

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This commit is contained in:
Isaiah Odhner 2023-09-15 23:30:18 -04:00
parent 0647e7be8b
commit 82e0fbada7
1 changed files with 9 additions and 7 deletions
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16
src/textual_paint/colors_box.py
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@ -45,17 +45,19 @@ class ColorsBox(Container):
def watch_palette(self, palette: tuple[str, ...]) -> None:
"""Called when the palette is changed."""
# TODO: optimize; don't remove or add buttons unless the palette size changes
# Side note: the palette size never changes in the current implementation.
self.query(".color_button").remove()
self.color_by_button.clear()
container = self.query_one("#available_colors")
for color in palette:
buttons = self.query(".color_button").nodes
for extra_button in buttons[len(palette):]:
extra_button.remove()
del self.color_by_button[extra_button] # type: ignore
for _new_color in palette[len(buttons):]:
button = Button("", classes="color_button color_well")
button.styles.background = color
button.can_focus = False
self.color_by_button[button] = color
container.mount(button)
buttons.append(button)
for button, color in zip(buttons, palette):
button.styles.background = color
self.color_by_button[button] = color # type: ignore
last_click_time = 0
last_click_button: Button | None = None