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>
53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
package display
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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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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/internal"
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"git.zacharyzhang.com/ZacharyZhang-NY/MujicaUI/theme"
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)
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// HeadingOptions configure a Heading; zero is level 1.
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type HeadingOptions struct {
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// Level is 1, 2 or 3; zero means 1.
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Level int
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// Subtitle shows below the title in muted text.
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Subtitle string
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// Divider draws an ornament rule with a center diamond below.
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Divider bool
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}
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// Heading shows a serif title scaled with desktop text.
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func Heading(c *ui.Context, title string, opts HeadingOptions) ui.Element {
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k := core.Tokens(c)
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size := headingSize(opts.Level)
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u := core.Density(c).Unit()
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col := ui.Column(c).Gap(u).Shrink(0)
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col.Children(func() {
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ui.Text(c, title).Font(theme.SerifFont).FontSize(core.FontSize(c, size)).FontWeight(600).
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LineHeight(1.25).TextColor(k.Text)
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if opts.Subtitle != "" {
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ui.Text(c, opts.Subtitle).FontSize(core.FontSize(c, theme.BodySize)).LineHeight(theme.LineHeight).TextColor(k.TextMuted)
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}
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if opts.Divider {
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ui.Box(c).FillWidth().Height(9).Margin(u, 0, 0, 0).Draw(func(p *ui.Painter, r ui.Rect) {
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internal.RuleDiamond(p, r, 6, 7, k.Ornament)
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})
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}
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})
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return col
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}
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func headingSize(level int) float32 {
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switch level {
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case 0, 1:
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return theme.H1Size
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case 2:
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return theme.H2Size
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case 3:
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return theme.H3Size
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}
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panic("mujica: Heading Level must be 1, 2 or 3")
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}
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