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>
95 lines
2.4 KiB
Go
95 lines
2.4 KiB
Go
package shop
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import (
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"fmt"
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"log/slog"
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"strconv"
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/icon"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
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)
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type QuantityOptions struct {
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// Min is the least; Max the most, zero meaning 99.
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Min, Max int
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Disabled bool
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}
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type QuantityResult struct {
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Element ui.Element
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Changed bool
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}
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// Quantity steps − n + within its limits.
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func Quantity(c *ui.Context, text string, value *int, o QuantityOptions) QuantityResult {
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k := pixel.K(c)
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lo, hi := o.Min, pixel.Or("Quantity Max", o.Max, 99)
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if lo < 0 || hi < lo || *value < lo || *value > hi {
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panic(fmt.Sprintf("shop: Quantity %d outside %d to %d", *value, lo, hi))
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}
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shell, base, st := pixel.Shell(c, func() ui.Element {
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return ui.Box(c).Focusable().Role(ui.RoleStepper).Label(text).Disabled(o.Disabled)
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})
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old, nw := *value, pixel.Measure(strconv.Itoa(hi))+6
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if !base.IsDisabled() {
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step := 0
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// Enter and Space are taken, so clicks come from pointers.
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pixel.Shortcut(base, 0, ui.KeyEnter)
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pixel.Shortcut(base, 0, ui.KeySpace)
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if pixel.Shortcut(base, 0, ui.KeyLeft) || pixel.Shortcut(base, 0, ui.KeyDown) {
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step--
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}
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if pixel.Shortcut(base, 0, ui.KeyRight) || pixel.Shortcut(base, 0, ui.KeyUp) {
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step++
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}
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if base.Clicked() {
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if x, _, _ := base.PointerPosition(); int(x/k.Dot()) < 14 {
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step--
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} else if int(x/k.Dot()) >= 14+nw {
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step++
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}
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}
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// One at a time toward the limit, so nothing overflows.
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for ; step > 0 && *value < hi; step-- {
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*value++
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}
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for ; step < 0 && *value > lo; step++ {
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*value--
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}
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if pixel.Shortcut(base, 0, ui.KeyHome) {
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*value = lo
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}
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if pixel.Shortcut(base, 0, ui.KeyEnd) {
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*value = hi
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}
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}
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n := *value
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base.Description(strconv.Itoa(n))
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shell.Size(k.D(28+nw), k.D(pixel.LineHeight)).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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// A side at its limit fades; it goes no further.
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for _, b := range []struct {
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x int
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sp *pixel.Sprite
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on bool
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}{{0, icon.Minus, n > lo}, {14 + nw, icon.Plus, n < hi}} {
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ink := pixel.Faint
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if b.on {
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ink = pixel.Ink
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}
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g.Frame(b.x, 1, 14, 14, pixel.Raised, pixel.Face)
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g.Sprite(b.x+1, 2, b.sp, 0, ink, 1)
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}
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s := strconv.Itoa(n)
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g.Text(14+(nw-pixel.Measure(s))/2, 0, s, pixel.Ink, 1)
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g.Finish(st)
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})
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res := QuantityResult{Element: shell, Changed: *value != old}
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if res.Changed {
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slog.Debug("8bit: quantity", "label", text, "value", *value)
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}
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return res
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}
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