ZacharyZhang-NYandClaude Opus 5.5
03e1f91706
Elements are now pass-scoped value handles: tests that read bounds after a frame bind a ui.Handle. pixel tells frames apart by the build pass's root, since the Tester clock no longer moves on its own. Fix the regressions the upgrade brought: - Clipboard reads in input handlers go through c.Services(). - MyGo notes an overlay's opener after building it, so AutoFocus inside lost it; pixel.AutoFocus focuses through a Handle, and archtest bans the raw call. Dialogs hand the focus back again. - Elements around a press stay hovered: Tooltip tells a press-given focus by focus arriving under the pointer. - The web host moves the Tester clock with real time, at most 500 ms a call, and gives components the real clock. The gallery's source index also accepts CRLF checkouts. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
64 lines
1.7 KiB
Go
64 lines
1.7 KiB
Go
package fx
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import (
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
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)
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type SkyOptions struct {
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// Width and Height are dots; zeros mean 160 by 96.
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Width, Height int
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Label string
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}
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// Sky dithers down the palette's sky slots; night shows stars.
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func Sky(c *ui.Context, o SkyOptions) ui.Element {
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k := pixel.K(c)
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w, h := size("Sky", o.Width, o.Height, 160, 96)
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return box(c, k, o.Label, w, h).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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g.Clip(0, 0, g.W, g.H, func() { sky(g, k, g.Step(4)) })
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})
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}
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// sky fills g in bands cut at height percents.
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func sky(g pixel.Canvas, k pixel.Kit, step int) {
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bands, cuts := []pixel.Slot{pixel.Info, pixel.AccentLit, pixel.Lit}, []int{0, 55, 85, 100}
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if k.Palette().Night {
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bands, cuts = []pixel.Slot{pixel.Well, pixel.Back, pixel.Face, pixel.Lit}, []int{0, 35, 60, 82, 100}
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}
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for i, s := range bands {
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y0, y1 := g.H*cuts[i]/100, g.H*cuts[i+1]/100
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g.Rect(0, y0, g.W, y1-y0, s)
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}
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// Seams dither five rows from one band into the next.
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for i := 1; i < len(bands); i++ {
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y := g.H * cuts[i] / 100
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for j := range 5 {
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g.Dither(0, y-2+j, g.W, 1, bands[i-1], bands[i], 2+3*j)
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}
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}
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if k.Palette().Night {
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stars(g, k, step)
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}
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}
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// stars twinkle over the top two thirds.
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func stars(g pixel.Canvas, k pixel.Kit, step int) {
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tones := []pixel.Slot{light(k), light(k), pixel.AccentLit, light(k), pixel.Warn}
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for i := range g.W * g.H / 90 {
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x, y := rnd(i, 1)%g.W, rnd(i, 2)%max(1, g.H*2/3)
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s, t := tones[i%len(tones)], wrap(step+rnd(i, 3), 8)
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switch {
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case t == 0:
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g.Dot(x, y, pixel.Faint)
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case i%9 == 0 && t < 3:
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g.Rect(x-1, y, 3, 1, s)
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g.Rect(x, y-1, 1, 3, s)
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default:
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g.Dot(x, y, s)
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}
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}
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}
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