ZacharyZhang-NY
a2f2796455
Calendars, date and time inputs, pickers, clocks, timers, a sun dial, a season wheel, an agenda and a day schedule. Kit.At rebuilds at a moment (relative times, midnight). Stepper and NumberInput arrows stop under Inert. DateInput parks a popup focus as its own.
78 lines
2.2 KiB
Go
78 lines
2.2 KiB
Go
package datetime
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import (
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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/pixel"
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)
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type DateInputOptions struct {
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Disabled bool
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}
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type DateInputResult struct {
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Element *ui.Element
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Changed bool
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}
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type dateKey struct{}
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// popping is whether the calendar is open and focused.
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type popping struct{ open, held bool }
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// DateInput shows YYYY-MM-DD; a press opens a calendar under it.
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func DateInput(c *ui.Context, text string, date *time.Time, o DateInputOptions) DateInputResult {
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k := pixel.K(c)
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old := *date
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shell, base, st := pixel.Shell(c, func() *ui.Element {
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return ui.ButtonBase(c).Role(ui.RolePopUpButton).Label(text).Disabled(o.Disabled)
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})
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pop := ui.Local(base, dateKey{}, func() popping { return popping{} })
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open, was := &pop.open, pop.open
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if base.Clicked() {
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*open = !*open
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}
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// Closing with the field, its focus parks as the field's.
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if o.Disabled || pixel.Current(c).Inert {
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if *open && pop.held {
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base.Focus()
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pixel.Park(c, base, true)
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}
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*open = false
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}
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shown := date.Format("2006-01-02")
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base.Description(shown)
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shell.Size(k.D(pixel.Measure(shown)+24), k.D(pixel.LineHeight+6)).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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g.Frame(0, 0, g.W, g.H, pixel.Sunken, pixel.Well)
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g.Text(4, 3, shown, pixel.Ink, 1)
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g.Sprite(g.W-icon.Calendar.W-4, (g.H-icon.Calendar.H)/2, icon.Calendar, 0, pixel.Faint, 1)
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g.Finish(st)
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})
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ui.PopoverBase(c, base, open, func(panel *ui.Element) {
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panel.Padding(k.D(5)).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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g.Frame(0, 0, g.W, g.H, pixel.Window, pixel.Face)
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}).Children(func() {
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e, grid, picked := month(c, text, date, false, true, func(d time.Time) look { return look{chosen: sameDay(d, *date)} })
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// The grid holds focus before its chain links.
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pop.held = grid.Focused() || e.FocusWithin()
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if picked {
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*open = false
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}
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})
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})
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if *open != was {
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slog.Debug("8bit: date input popup", "label", text, "open", *open)
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}
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res := DateInputResult{Element: shell, Changed: !date.Equal(old)}
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if res.Changed {
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slog.Debug("8bit: date input", "label", text, "date", date.Format("2006-01-02"))
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}
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return res
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}
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