ZacharyZhang-NYandClaude Opus 5.5
bcce34cda1
MyGo v0.5.5 returns ui.Element as a checked value handle instead of a
pointer. Migrated with `mygo migrate-ui`, then fixed what the codemod
leaves to review:
- Element nil checks become .Valid(); absent elements are ui.Element{}.
- Input handlers and paint callbacks run outside the build pass, where
elements expire and Context methods are inert: read IsDisabled into a
local during the build, keep a ui.Handle for Focus, use c.Services()
for clipboard access, create ui.Local state during the build.
- Add core.AutoFocus: v0.5.5 records an overlay's opener after its
content builds, so same-frame autofocus lost focus restore on close.
It focuses one frame later; cascader rows defer their focus likewise.
- core.OverlayLayer identifies build passes by the root element, not
c.Now(), which repeats across passes and under the Tester clock.
- Context menus survive the opening press counted as PressedOutside;
split button tooltip no longer reorders its open menu; disabled
menubar rows pass presses to the panel; Form defers blur-started
async checks so the growing message no longer moves Submit away
from the release; Combobox drops its disabled copy now that MyGo
blocks typing under a disabled wrapper (canary flipped to a guard).
- The Tester clock is virtual: tests use Advance/Now instead of
time.Sleep/time.Now and read element state inside the view. The web
mirror advances the clock to wall time before each frame and input.
- AGENTS.md and docs describe the value Element API and the new pin.
Snapshot goldens are darwin-only and were not re-verified here.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
46 lines
1.3 KiB
Go
46 lines
1.3 KiB
Go
package feedback
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import (
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/core"
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)
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// ShimmerTextOptions configure a ShimmerText.
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type ShimmerTextOptions struct {
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// Active sweeps the light; false shows plain muted text.
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Active bool
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}
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// ShimmerText sweeps light across a status such as "Thinking".
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func ShimmerText(c *ui.Context, text string, opts ShimmerTextOptions) ui.Element {
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if text == "" {
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panic("mujica: ShimmerText needs text")
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}
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k := core.Tokens(c)
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still := c.Preferences().ReduceMotion
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if !opts.Active || still {
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e := ui.Text(c, text).TextColor(k.TextMuted).SingleLine()
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if opts.Active {
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e.Role(ui.RoleStatus)
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}
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return e
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}
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runes := []rune(text)
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size := c.Theme().FontSize
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// The text keeps layout and name; the sweep paints over.
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e := ui.Text(c, text).TextColor(ui.Transparent).Role(ui.RoleStatus).SingleLine()
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e.DrawOver(func(p *ui.Painter, r ui.Rect) {
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p.AnimationFrame()
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t := float32(p.Now().UnixMilli()%1800) / 1800
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at := t*float32(len(runes)+6) - 3
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spans := make([]ui.Span, len(runes))
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for i, ch := range runes {
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d := max(0, 1-core.Abs32(float32(i)-at)/3)
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spans[i] = ui.Span{Text: string(ch), Size: size, Color: k.TextMuted.Mix(k.Text, d)}
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}
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p.Clip(r, 0, func() { p.RichText(r.X, r.Y, 0, spans...) })
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})
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return e
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}
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