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>
81 lines
2.0 KiB
Go
81 lines
2.0 KiB
Go
package desk
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import (
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"log/slog"
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"math"
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"time"
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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 ScreensaverOptions struct{}
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type ScreensaverResult struct {
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Element ui.Element
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// Woke is the input that ended it this frame.
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Woke bool
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}
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type saverKey struct{}
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// bounces ink the logo, a new one at each wall.
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var bounces = []pixel.Slot{pixel.Accent, pixel.Good, pixel.Warn, pixel.Info, pixel.Magic, pixel.Bad}
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// Screensaver bounces a logo around; any input stops it.
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func Screensaver(c *ui.Context, logo string, open *bool, o ScreensaverOptions) ScreensaverResult {
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k := pixel.K(c)
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if logo == "" {
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panic("desk: Screensaver has no logo")
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}
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n := 0
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anchor, _, woke := cover(c, k, logo, open, true, func(g pixel.Canvas) {
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g.Rect(0, 0, g.W, g.H, pixel.Well)
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bw, bh := 2*pixel.Measure(logo)+12, 2*pixel.LineHeight+8
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rx, ry := max(1, g.W-bw), max(1, g.H-bh)
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x, y := fold(n+rx/3, rx), fold(n+ry/2, ry)
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hits := (n+rx/3)/rx + (n+ry/2)/ry
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ink := bounces[hits%len(bounces)]
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g.Frame(x, y, bw, bh, pixel.Raised, pixel.Face)
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g.Text(x+6, y+4, logo, ink, 2)
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// A corner hit, the rarest bounce, earns sparkles.
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if (x == 0 || x == rx) && (y == 0 || y == ry) {
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for _, d := range [][2]int{{-4, -4}, {bw + 1, -4}, {-4, bh + 1}, {bw + 1, bh + 1}} {
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g.Rect(x+d[0]+1, y+d[1], 1, 3, pixel.Lit)
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g.Rect(x+d[0], y+d[1]+1, 3, 1, pixel.Lit)
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}
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}
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})
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st := ui.Local(anchor, saverKey{}, func() saver { return saver{} })
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switch {
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case !*open:
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st.on = false
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case !st.on:
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*st = saver{on: true, at: k.Now()}
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}
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// It moves a dot a step; reduced, it holds still.
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if *open && !k.Reduce() {
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n = max(0, k.Since(c, st.at, 15, math.MaxInt32))
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}
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if woke {
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slog.Debug("8bit: screensaver woke", "logo", logo)
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}
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return ScreensaverResult{Element: anchor, Woke: woke}
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}
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// saver is whether it shows, and since when.
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type saver struct {
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on bool
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at time.Time
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}
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// fold reflects t back and forth across 0 to r.
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func fold(t, r int) int {
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m := t % (2 * r)
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if m > r {
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return 2*r - m
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}
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return m
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}
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