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ui: support text wrapping in Label (#35952)

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* lb

* t

* Revert "t"

This reverts commit a9b8e2b9faa5e9d1b189c1dc2ed1aa876e4df476.

* tr

* Revert "tr"

This reverts commit 8de8719ded0fed2b0e5469230e83c13714f88319.

* better

* much better
This commit is contained in:
Maxime Desroches
2025-08-07 23:08:42 -07:00
committed by GitHub
parent 7bfac9d050
commit 0e9de8f1b1
1 changed files with 43 additions and 28 deletions
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system/ui/widgets/label.py
+43 -28
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@@ -1,4 +1,5 @@
from enum import IntEnum
from itertools import zip_longest
import pyray as rl
@@ -6,6 +7,7 @@ from openpilot.system.ui.lib.application import gui_app, FontWeight, DEFAULT_TEX
from openpilot.system.ui.lib.text_measure import measure_text_cached
from openpilot.system.ui.lib.utils import GuiStyleContext
from openpilot.system.ui.lib.emoji import find_emoji, emoji_tex
from openpilot.system.ui.lib.wrap_text import wrap_text
from openpilot.system.ui.widgets import Widget
ICON_PADDING = 15
@@ -103,60 +105,73 @@ class Label(Widget):
):
super().__init__()
self._text = text
self._font_weight = font_weight
self._font = gui_app.font(self._font_weight)
self._font_size = font_size
self._text_alignment = text_alignment
self._text_padding = text_padding
self._text_size = measure_text_cached(self._font, self._text, self._font_size)
self._text_color = text_color
self._icon = icon
self._emojis = find_emoji(self._text)
self.set_text(text)
def set_text(self, text):
self._text = text
self._emojis = find_emoji(self._text)
self._text_size = measure_text_cached(self._font, self._text, self._font_size)
self._text_raw = text
self._update_text(self._text_raw)
def set_text_color(self, color):
self._text_color = color
def _update_layout_rects(self):
self._update_text(self._text_raw)
def _update_text(self, text):
self._emojis = []
self._text_size = []
self._text = wrap_text(self._font, text, self._font_size, self._rect.width - (self._text_padding*2))
for t in self._text:
self._emojis.append(find_emoji(t))
self._text_size.append(measure_text_cached(self._font, t, self._font_size))
def _render(self, _):
text_pos = rl.Vector2(0, self._rect.y + (self._rect.height - self._text_size.y) // 2)
text = self._text[0] if self._text else None
text_size = self._text_size[0] if self._text_size else rl.Vector2(0.0, 0.0)
text_pos = rl.Vector2(0, (self._rect.y + (self._rect.height - (text_size.y)) // 2))
if self._icon:
icon_y = self._rect.y + (self._rect.height - self._icon.height) / 2
if self._text:
if text:
if self._text_alignment == TextAlignment.LEFT:
icon_x = self._rect.x + self._text_padding
text_pos.x = icon_x + self._icon.width + ICON_PADDING
text_pos.x = self._icon.width + ICON_PADDING
elif self._text_alignment == TextAlignment.CENTER:
total_width = self._icon.width + ICON_PADDING + self._text_size.x
total_width = self._icon.width + ICON_PADDING + text_size.x
icon_x = self._rect.x + (self._rect.width - total_width) / 2
text_pos.x = icon_x + self._icon.width + ICON_PADDING
text_pos.x = self._icon.width + ICON_PADDING
else:
text_pos.x = self._rect.x + self._rect.width - self._text_size.x - self._text_padding
icon_x = text_pos.x - ICON_PADDING - self._icon.width
icon_x = (self._rect.x + self._rect.width - text_size.x - self._text_padding) - ICON_PADDING - self._icon.width
else:
icon_x = self._rect.x + (self._rect.width - self._icon.width) / 2
rl.draw_texture_v(self._icon, rl.Vector2(icon_x, icon_y), rl.WHITE)
else:
for text, text_size, emojis in zip_longest(self._text, self._text_size, self._emojis, fillvalue=[]):
line_pos = rl.Vector2(text_pos.x, text_pos.y)
if self._text_alignment == TextAlignment.LEFT:
text_pos.x = self._rect.x + self._text_padding
line_pos.x += self._rect.x + self._text_padding
elif self._text_alignment == TextAlignment.CENTER:
text_pos.x = self._rect.x + (self._rect.width - self._text_size.x) // 2
line_pos.x += self._rect.x + (self._rect.width - text_size.x) // 2
elif self._text_alignment == TextAlignment.RIGHT:
text_pos.x = self._rect.x + self._rect.width - self._text_size.x - self._text_padding
line_pos.x += self._rect.x + self._rect.width - text_size.x - self._text_padding
prev_index = 0
for start, end, emoji in self._emojis:
text_before = self._text[prev_index:start]
width_before = measure_text_cached(self._font, text_before, self._font_size)
rl.draw_text_ex(self._font, text_before, text_pos, self._font_size, 0, self._text_color)
text_pos.x += width_before.x
prev_index = 0
for start, end, emoji in emojis:
text_before = text[prev_index:start]
width_before = measure_text_cached(self._font, text_before, self._font_size)
rl.draw_text_ex(self._font, text_before, line_pos, self._font_size, 0, self._text_color)
line_pos.x += width_before.x
tex = emoji_tex(emoji)
rl.draw_texture_ex(tex, text_pos, 0.0, self._font_size / tex.height, self._text_color)
text_pos.x += self._font_size
prev_index = end
rl.draw_text_ex(self._font, self._text[prev_index:], text_pos, self._font_size, 0, self._text_color)
tex = emoji_tex(emoji)
rl.draw_texture_ex(tex, line_pos, 0.0, self._font_size / tex.height, self._text_color)
line_pos.x += self._font_size
prev_index = end
rl.draw_text_ex(self._font, text[prev_index:], line_pos, self._font_size, 0, self._text_color)
text_pos.y += text_size.y or self._font_size