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>
87 lines
2.2 KiB
Go
87 lines
2.2 KiB
Go
package navigation
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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/input"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
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)
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type PaginationOptions struct {
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Disabled bool
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}
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type PaginationResult struct {
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Element ui.Element
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Changed bool
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}
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// Pagination steps through pages; the current one is sunken.
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func Pagination(c *ui.Context, text string, page *int, total int, o PaginationOptions) PaginationResult {
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k := pixel.K(c)
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check(*page, total)
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res := PaginationResult{}
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set := func(p int) {
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if p != *page {
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*page, res.Changed = p, true
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}
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}
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small := input.IconButtonOptions{Size: input.Small, Disabled: o.Disabled || *page == 1}
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res.Element = ui.Row(c).Gap(k.D(2)).AlignItems(ui.Center).FocusGroup(ui.Horizontal).Role(ui.RoleGroup).Label(text).Children(func() {
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// Keys keep each button's focus as the pages shift.
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ui.Box(c).Key("prev").Children(func() {
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if input.IconButton(c, icon.ChevronLeft, k.Msg("prev"), small).Clicked {
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set(*page - 1)
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}
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})
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for i, p := range pages(*page, total) {
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if p == 0 {
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ui.Box(c).Key(-i).Children(func() { pixel.Text(c, "…", pixel.TextOptions{Slot: pixel.Faint}) })
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continue
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}
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ui.Box(c).Key(p).Children(func() {
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on := p == *page
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if input.Toggle(c, strconv.Itoa(p), &on, input.ToggleOptions{Size: input.Small, Disabled: o.Disabled}).Changed {
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set(p)
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}
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})
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}
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ui.Box(c).Key("next").Children(func() {
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small.Disabled = o.Disabled || *page == total
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if input.IconButton(c, icon.ChevronRight, k.Msg("next"), small).Clicked {
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set(*page + 1)
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}
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})
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})
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if res.Changed {
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slog.Debug("8bit: page", "label", text, "page", *page)
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}
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return res
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}
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// pages lists 1, the pages round p, and n.
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func pages(p, n int) []int {
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var out []int
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for i := 1; i <= n; i++ {
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switch {
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case i == 1 || i == n || i >= p-1 && i <= p+1:
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out = append(out, i)
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case len(out) > 0 && out[len(out)-1] != 0:
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out = append(out, 0)
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}
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}
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return out
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}
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// check panics on a page outside 1 to total.
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func check(page, total int) {
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if total < 1 || page < 1 || page > total {
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panic(fmt.Sprintf("navigation: page %d of %d", page, total))
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}
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}
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