ZacharyZhang-NY
03680980da
Lists, tables, trees, grids, inventories and records in data/. Outline and GridView build on ui.List: ui.Outline strokes its arrows and ui.GridView spaces and tints items. The pixel theme keeps MyGo's row highlights clear so scrolled rows stay on whole dots; off lists take a veil against the wheel. Adds Canvas.Silhouette, SwitchOptions Label and exports Rarity.Slot.
76 lines
2.2 KiB
Go
76 lines
2.2 KiB
Go
package data
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import (
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"fmt"
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"log/slog"
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"time"
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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 CarouselOptions struct {
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// Every turns the page each that many seconds; zero never.
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Every int
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Disabled bool
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}
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type CarouselResult struct {
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Element *ui.Element
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Changed bool
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}
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type carouselKey struct{}
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// Carousel turns pages; auto-turning waits on hover, focus, reduce.
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func Carousel(c *ui.Context, text string, pages int, page *int, o CarouselOptions, content func(i int)) CarouselResult {
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k := pixel.K(c)
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if pages < 1 || *page < 0 || *page >= pages {
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panic(fmt.Sprintf("data: Carousel page %d of %d", *page, pages))
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}
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every := pixel.Or("Carousel Every", o.Every, 0)
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col := ui.Column(c).AlignItems(ui.Center).Gap(k.D(4)).Role(ui.RoleGroup).Label(text)
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since := ui.Local(col, carouselKey{}, func() time.Time { return k.Now() })
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old := *page
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turn := func(d int) { *page = (*page + d + pages) % pages }
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wait := every == 0 || o.Disabled || pixel.Current(c).Inert || k.Reduce() || col.Hovered() || col.FocusWithin()
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if wait {
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*since = k.Now()
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} else if k.Since(c, *since, 1, every) == every {
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turn(1)
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}
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col.Children(func() {
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ui.Row(c).Gap(k.D(4)).AlignItems(ui.Center).Children(func() {
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if input.IconButton(c, icon.ChevronLeft, k.Msg("prev"), input.IconButtonOptions{Disabled: o.Disabled}).Clicked {
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turn(-1)
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}
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ui.Box(c).Key(*page).Children(func() { content(*page) })
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if input.IconButton(c, icon.ChevronRight, k.Msg("next"), input.IconButtonOptions{Disabled: o.Disabled}).Clicked {
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turn(1)
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}
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})
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at := *page
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ui.Box(c).Size(k.D(pages*6-2), k.D(4)).Role(ui.RoleNone).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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for i := range pages {
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if i == at {
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g.Rect(i*6, 0, 4, 4, pixel.Accent)
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} else {
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g.Rect(i*6, 0, 4, 4, pixel.Edge)
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g.Rect(i*6+1, 1, 2, 2, pixel.Well)
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}
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}
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})
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})
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col.Description(fmt.Sprintf("%d/%d", *page+1, pages))
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res := CarouselResult{Element: col, Changed: *page != old}
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if res.Changed {
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*since = k.Now()
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slog.Debug("8bit: carousel", "label", text, "page", *page)
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}
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return res
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}
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