Use Unicode minus in ButtonProgressWidget (#6939)

Change the text in the button from a hypen (-) to a
Unicode minus size (−, U+2212). This is the same width
as the + sign.

The NaturalLightWidget and FrontLightWidget controls
already use minus signs in this way.
reviewable/pr6881/r1
John Beard 3 years ago committed by GitHub
parent 3d8342a98c
commit 5bd055206d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

@ -77,7 +77,7 @@ function ButtonProgressWidget:update()
local margin = button_margin
local extra_border_size = 0
local button = Button:new{
text = "-",
text = "",
radius = 0,
margin = margin,
padding = button_padding,

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