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button.nim - Clip the radiobox/checkbox text to match the button bounds #459

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button.nim - Clip the radiobox/checkbox text to match the button bounds #459

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17 changes: 13 additions & 4 deletions nimx/button.nim
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Original file line number Diff line number Diff line change
Expand Up @@ -95,11 +95,20 @@ proc drawTitle(b: Button, xOffset: Coord) =
else:
blackColor()

let font = systemFont()
var titleRect = b.bounds
var pt = centerInRect(font.sizeOfString(b.title), titleRect)
# truncate title to bounds if required
var
titleRect = b.bounds
title = b.title
let
font = systemFont()
sz = font.sizeOfString(title)
# reduce by size of checkbox/radiobox
titleRect.size.width -= titleRect.size.height
if sz.width > titleRect.size.width:
title.setLen(int(title.len.float * titleRect.size.width / sz.width))
var pt = centerInRect(sz, titleRect)
if pt.x < xOffset: pt.x = xOffset
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I might be wrong but you'll have to account for xOffset before trimming. Otherwise trimming done above might not be sufficient and the text will still escape the bounds by up to xOffset.

c.drawText(font, pt, b.title)
c.drawText(font, pt, title)

var regularButtonComposition = newComposition """
uniform vec4 uStrokeColor;
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