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>
54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
package chat
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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 LetterOptions struct {
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// Signature closes the letter in Accent.
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Signature string
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// Width is in dots; zero means 180.
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Width int
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}
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// Letter sets a body on parchment with a signature.
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func Letter(c *ui.Context, body string, o LetterOptions) ui.Element {
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k := pixel.K(c)
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w := pixel.Or("Letter Width", o.Width, 180)
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if w < 40 {
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panic("chat: a Letter needs 40 dots")
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}
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lines := pixel.Wrap(body, w-20, 0)
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h := 20 + len(lines)*pixel.LineHeight
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if o.Signature != "" {
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h += pixel.LineHeight + 4
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}
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label := body
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if o.Signature != "" {
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label += " — " + o.Signature
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}
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return ui.Box(c).Role(ui.RoleText).Label(label).Size(k.D(w), k.D(h)).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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g.Rect(0, 0, w, h, pixel.Face)
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// The edge darkens outward in three dither rings.
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for i, level := range []int{12, 7, 3} {
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g.Veil(i, i, w-2*i, 1, pixel.Shade, level)
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g.Veil(i, h-1-i, w-2*i, 1, pixel.Shade, level)
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g.Veil(i, i+1, 1, h-2-2*i, pixel.Shade, level)
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g.Veil(w-1-i, i+1, 1, h-2-2*i, pixel.Shade, level)
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}
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for i, l := range lines {
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g.Text(10, 10+i*pixel.LineHeight, l, pixel.Ink, 1)
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}
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if o.Signature == "" {
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return
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}
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y, sw := 14+len(lines)*pixel.LineHeight, pixel.Measure(o.Signature)
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g.Text(w-10-sw, y, o.Signature, pixel.Accent, 1)
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g.HLine(w-12-sw, y+pixel.LineHeight-2, sw+2, pixel.Accent)
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g.Dot(w-9, y+pixel.LineHeight-3, pixel.Accent)
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})
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}
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