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system/ui: add right-side text eliding to gui_label #35201

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merged 1 commit into from
May 13, 2025
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system/ui: add right-side text eliding to gui_label #35201

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24 changes: 19 additions & 5 deletions system/ui/lib/label.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,13 +10,27 @@ def gui_label(
color: rl.Color = DEFAULT_TEXT_COLOR,
font_weight: FontWeight = FontWeight.NORMAL,
alignment: int = rl.GuiTextAlignment.TEXT_ALIGN_LEFT,
alignment_vertical: int = rl.GuiTextAlignmentVertical.TEXT_ALIGN_MIDDLE
alignment_vertical: int = rl.GuiTextAlignmentVertical.TEXT_ALIGN_MIDDLE,
elide_right: bool = True
):
# Set font based on the provided weight
font = gui_app.font(font_weight)

# Measure text size
text_size = rl.measure_text_ex(font, text, font_size, 0)
display_text = text

# Elide text to fit within the rectangle
if elide_right and text_size.x > rect.width:
ellipsis = "..."
left, right = 0, len(text)
while left < right:
mid = (left + right) // 2
candidate = text[:mid] + ellipsis
candidate_size = rl.measure_text_ex(font, candidate, font_size, 0)
if candidate_size.x <= rect.width:
left = mid + 1
else:
right = mid
display_text = text[: left - 1] + ellipsis if left > 0 else ellipsis
text_size = rl.measure_text_ex(font, display_text, font_size, 0)

# Calculate horizontal position based on alignment
text_x = rect.x + {
Expand All @@ -33,7 +47,7 @@ def gui_label(
}.get(alignment_vertical, 0)

# Draw the text in the specified rectangle
rl.draw_text_ex(font, text, rl.Vector2(text_x, text_y), font_size, 0, color)
rl.draw_text_ex(font, display_text, rl.Vector2(text_x, text_y), font_size, 0, color)


def gui_text_box(
Expand Down