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>
58 lines
1.7 KiB
Go
58 lines
1.7 KiB
Go
package chart
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import (
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"fmt"
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"time"
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/core"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/theme"
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)
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// CandleCountdownOptions configure a CandleCountdown.
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type CandleCountdownOptions struct {
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// Location defaults to UTC.
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Location *time.Location
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// Now freezes the clock; zero uses the frame time.
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Now time.Time
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}
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// CandleCountdown displays closing time and schedules visible updates.
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func CandleCountdown(c *ui.Context, interval Interval, opts CandleCountdownOptions) ui.Element {
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loc := opts.Location
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if loc == nil {
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loc = time.UTC
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}
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now := opts.Now
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if now.IsZero() {
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now = c.Now()
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}
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left := interval.Close(now, loc).Sub(now)
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k := core.Tokens(c)
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text := candleCountdownText(left)
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e := ui.Row(c).Gap(core.Density(c).Unit()).AlignItems(ui.Center).Role(ui.RoleText).Label(fmt.Sprintf(core.Msg(c, "candle_countdown.label"), string(interval), text))
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e.Children(func() {
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ui.Text(c, string(interval)).FontSize(core.FontSize(c, theme.CaptionSize)).TextColor(k.TextMuted)
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ui.Text(c, text).FontFeatures("tnum").FontWeight(500).TextColor(k.Text).SingleLine()
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})
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// The next whole second, so the text never skips one.
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if opts.Now.IsZero() {
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e.DrawOver(func(_ *ui.Painter, _ ui.Rect) { c.After(left - left.Truncate(time.Second) + time.Millisecond) })
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}
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return e
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}
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// candleCountdownText writes d as 59:58, 3:59:58 or 2d 03:59:58.
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func candleCountdownText(d time.Duration) string {
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s := int(d.Seconds())
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days, h, m, sec := s/86400, s/3600%24, s/60%60, s%60
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switch {
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case days > 0:
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return fmt.Sprintf("%dd %02d:%02d:%02d", days, h, m, sec)
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case h > 0:
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return fmt.Sprintf("%d:%02d:%02d", h, m, sec)
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}
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return fmt.Sprintf("%02d:%02d", m, sec)
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}
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