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>
53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
package text
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import (
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"fmt"
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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 Align uint8
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const (
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Left Align = iota
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Center
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Right
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)
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type ParagraphOptions struct {
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// Gap is extra dots between lines.
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Gap int
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Align Align
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MaxLines int
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Slot pixel.Slot
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}
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// Paragraph wraps s at the width it had last frame.
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func Paragraph(c *ui.Context, s string, o ParagraphOptions) ui.Element {
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k := pixel.K(c)
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gap := pixel.Or("Paragraph Gap", o.Gap, 0)
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if o.Align > Right {
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panic(fmt.Sprintf("text: unknown Align %d", o.Align))
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}
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e := ui.Box(c).FillWidth().Label(s).Role(ui.RoleText)
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w, check := pixel.WrapWidth(c, e)
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lines := pixel.Wrap(s, w, o.MaxLines)
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step := pixel.LineHeight + gap
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return e.Height(k.D(max(0, len(lines)*step-gap))).Draw(func(p *ui.Painter, r ui.Rect) {
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check(r)
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g := k.Canvas(p, r)
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for i, l := range lines {
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x := 0
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switch o.Align {
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case Center:
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x = (g.W - pixel.Measure(l)) / 2
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case Right:
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x = g.W - pixel.Measure(l)
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}
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g.Text(x, i*step, l, o.Slot, 1)
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}
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})
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}
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