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feat(ui): min(), max() and clamp(); insets as percentages of the containing block

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-24 21:53:44 +03:00
parent 355201f094
commit 12f4ba8431
13 changed files with 150 additions and 21 deletions
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47
packages/ludic.ui/attr_inset.ludic Normal file
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# attr_inset.ludic - top, right, bottom and left as lengths, percentages or calc() of both: the
# percentage is kept apart and taken of the containing block's width (left, right) or height (top,
# bottom) when the element is placed
function el_inset(n: UiNode, side: int, v: Val) -> float {
let s = vl_text(v)
var pct = 0.0
var px = UI_AUTO
if s != "auto" {
if ca_is(s) {
px = 0.0
if ca_eval(s) {
pct = ca_pct
px = ca_px
}
} else if len(s) > 1 and s[len(s) - 1] == 37 {
pct = el_num(s)
px = 0.0
} else { px = el_len(v) }
}
if pct != 0.0 or n.ex != null {
let x = nx(n)
if side == 0 { x.ip_t = pct }
if side == 1 { x.ip_r = pct }
if side == 2 { x.ip_b = pct }
if side == 3 { x.ip_l = pct }
}
return px
}
# an inset in px against a containing block `base` wide (or high), or UI_AUTO
function ly_ins(c: UiNode, side: int, base: float) -> float {
var v = c.top
if side == 1 { v = c.right }
if side == 2 { v = c.bottom }
if side == 3 { v = c.left }
if v == UI_AUTO or c.ex == null { return v }
var p = c.ex.ip_t
if side == 1 { p = c.ex.ip_r }
if side == 2 { p = c.ex.ip_b }
if side == 3 { p = c.ex.ip_l }
return v + base * p / 100.0
}
# position: relative moves an element by its insets, a percentage taken of its parent's content box
function ly_nudge(n: UiNode, c: UiNode) -> void {
let bw = n.cw - ly_hin(n)
let bh = n.ch - ly_vin(n)
ly_offset(c, ly_or0(ly_ins(c, 3, bw)) - ly_or0(ly_ins(c, 1, bw)), ly_or0(ly_ins(c, 0, bh)) - ly_or0(ly_ins(c, 2, bh)))
}