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Code Issues Releases Wiki Activity

core/ui: Add text_center_trim_left() and text_center_trim_right().

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This commit is contained in:
Andrew Kozlik 2019-08-08 15:43:35 +02:00
parent 84674a7463
commit 1f58ee7ae9
1 changed files with 48 additions and 0 deletions
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48
core/src/trezor/ui/text.py
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@ -208,3 +208,51 @@ class Label(ui.Component):
tx, ty, self.content, self.style, ui.FG, ui.BG, aw tx, ty, self.content, self.style, ui.FG, ui.BG, aw
) )
self.repaint = False self.repaint = False
def text_center_trim_left(
x: int, y: int, text: str, font: int = ui.NORMAL, width: int = ui.WIDTH - 16
) -> None:
if ui.display.text_width(text, font) <= width:
ui.display.text_center(x, y, text, font, ui.FG, ui.BG)
return
ELLIPSIS_WIDTH = ui.display.text_width("...", ui.BOLD)
if width < ELLIPSIS_WIDTH:
return
text_length = 0
for i in range(1, len(text)):
if ui.display.text_width(text[-i:], font) + ELLIPSIS_WIDTH > width:
text_length = i - 1
break
text_width = ui.display.text_width(text[-text_length:], font)
x -= (text_width + ELLIPSIS_WIDTH) // 2
ui.display.text(x, y, "...", ui.BOLD, ui.GREY, ui.BG)
x += ELLIPSIS_WIDTH
ui.display.text(x, y, text[-text_length:], font, ui.FG, ui.BG)
def text_center_trim_right(
x: int, y: int, text: str, font: int = ui.NORMAL, width: int = ui.WIDTH - 16
) -> None:
if ui.display.text_width(text, font) <= width:
ui.display.text_center(x, y, text, font, ui.FG, ui.BG)
return
ELLIPSIS_WIDTH = ui.display.text_width("...", ui.BOLD)
if width < ELLIPSIS_WIDTH:
return
text_length = 0
for i in range(1, len(text)):
if ui.display.text_width(text[:i], font) + ELLIPSIS_WIDTH > width:
text_length = i - 1
break
text_width = ui.display.text_width(text[:text_length], font)
x -= (text_width + ELLIPSIS_WIDTH) // 2
ui.display.text(x, y, text[:text_length], font, ui.FG, ui.BG)
x += text_width
ui.display.text(x, y, "...", ui.BOLD, ui.GREY, ui.BG)