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ui: avoid unnecessary text cache invalidation in UnifiedLabel (#36676)

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avoid unnecessary text cache invalidation in UnifiedLabel
This commit is contained in:
Dean Lee
2025-11-27 18:28:13 +08:00
committed by GitHub
parent 394f580f16
commit 630e14fd7f
1 changed files with 9 additions and 7 deletions
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16
system/ui/widgets/label.py
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@@ -446,7 +446,7 @@ class UnifiedLabel(Widget):
def set_text(self, text: str | Callable[[], str]):
"""Update the text content."""
self._text = text
self._cached_text = None # Invalidate cache
# No need to update cache here, will be done on next render if needed
@property
def text(self) -> str:
@@ -463,15 +463,17 @@ class UnifiedLabel(Widget):
def set_font_size(self, size: int):
"""Update the font size."""
self._font_size = size
self._spacing_pixels = size * self._letter_spacing # Recalculate spacing
self._cached_text = None # Invalidate cache
if self._font_size != size:
self._font_size = size
self._spacing_pixels = size * self._letter_spacing # Recalculate spacing
self._cached_text = None # Invalidate cache
def set_letter_spacing(self, letter_spacing: float):
"""Update letter spacing (as percentage, e.g., 0.1 = 10%)."""
self._letter_spacing = letter_spacing
self._spacing_pixels = self._font_size * letter_spacing
self._cached_text = None # Invalidate cache
if self._letter_spacing != letter_spacing:
self._letter_spacing = letter_spacing
self._spacing_pixels = self._font_size * letter_spacing
self._cached_text = None # Invalidate cache
def set_font_weight(self, font_weight: FontWeight):
"""Update the font weight."""