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>
52 lines
1.2 KiB
Go
52 lines
1.2 KiB
Go
package overlay
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import (
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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 TitleCardOptions struct {
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// Cue shows the card each time it changes.
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Cue int
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// Hold keeps the title up; zero means two seconds.
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Hold time.Duration
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}
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// TitleCard dithers in, holds title, dithers out; fills its parent.
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func TitleCard(c *ui.Context, title string, o TitleCardOptions) ui.Element {
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k := pixel.K(c)
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if o.Hold < 0 {
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panic("overlay: TitleCard Hold is negative")
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}
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hold := o.Hold
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if hold == 0 {
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hold = 2 * time.Second
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}
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e := ui.Box(c).Fill()
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// Eight steps a second: four in, the hold, four out.
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held := int(hold * 8 / time.Second)
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step := k.Since(c, k.Cue(e, o.Cue), 8, held+8)
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if step >= held+8 {
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return e
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}
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level := 16
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switch {
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case k.Reduce():
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case step < 4:
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level = 4 * (step + 1)
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case step >= held+4:
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level = 4 * (held + 7 - step)
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}
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deep, light := dark(k)
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return e.Role(ui.RoleStatus).Label(title).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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g.Veil(0, 0, g.W, g.H, deep, level)
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if level == 16 {
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g.Text((g.W-pixel.Measure(title)*2)/2, (g.H-pixel.LineHeight*2)/2, title, light, 2)
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}
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})
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}
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