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>
37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
package overlay
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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 SpotlightOptions struct{}
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// Spotlight dithers all but target and captions it.
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func Spotlight(c *ui.Context, target ui.Element, caption string, o SpotlightOptions) ui.Element {
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k := pixel.K(c)
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b := target.Bounds()
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deep, _ := dark(k)
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var veil ui.Element
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ui.Overlay(c, func() {
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veil = ui.Box(c).Absolute().Left(0).Top(0).Right(0).Bottom(0).PassThrough().Role(ui.RoleStatus).Label(caption)
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veil.Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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// The hole is the target, two dots wider all round.
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x, y := int(b.X/k.Dot())-2, int(b.Y/k.Dot())-2
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w, h := int(b.W/k.Dot())+4, int(b.H/k.Dot())+4
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g.Veil(0, 0, g.W, y, deep, 12)
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g.Veil(0, y+h, g.W, g.H-y-h, deep, 12)
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g.Veil(0, y, x, h, deep, 12)
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g.Veil(x+w, y, g.W-x-w, h, deep, 12)
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g.FocusMark(x+2, y+2, w-4, h-4)
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})
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})
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w := pixel.Measure(caption) + 16
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bubble(c, ui.Rect{X: b.X, Y: b.Y - k.D(2), W: b.W, H: b.H + k.D(4)}, func() {
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pixel.Text(c, caption, pixel.TextOptions{})
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}, w)
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return veil
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}
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