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.
72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
package datetime
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import (
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"log/slog"
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"strconv"
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"time"
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
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)
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type WeekStripOptions struct {
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Disabled bool
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}
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type WeekStripResult struct {
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Element *ui.Element
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Changed bool
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}
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// day is a week strip cell in dots.
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const dayW, dayH = 22, 2 * pixel.LineHeight
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// WeekStrip shows *date's week; Left and Right step days.
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func WeekStrip(c *ui.Context, text string, date *time.Time, o WeekStripOptions) WeekStripResult {
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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.Box(c).Focusable().Role(ui.RoleGroup).Label(text).Disabled(o.Disabled)
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})
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if base.Shortcut(0, ui.KeyLeft) {
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*date = date.AddDate(0, 0, -1)
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}
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if base.Shortcut(0, ui.KeyRight) {
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*date = date.AddDate(0, 0, 1)
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}
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first := date.AddDate(0, 0, -int(date.Weekday()))
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// Enter and Space are taken, so clicks come from pointers.
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base.Shortcut(0, ui.KeyEnter)
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base.Shortcut(0, ui.KeySpace)
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if base.Clicked() {
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x, _, _ := base.PointerPosition()
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if i := int(x / k.D(dayW)); x >= 0 && i < 7 {
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*date = first.AddDate(0, 0, i)
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}
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}
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base.Description(date.Format("2006-01-02"))
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names, chosen, now := weekdays(k), *date, today(c, k)
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shell.Size(k.D(7*dayW), k.D(dayH)).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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for i := range 7 {
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d, x := first.AddDate(0, 0, i), i*dayW
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if sameDay(d, chosen) {
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g.Frame(x, 0, dayW, dayH, pixel.Sunken, pixel.Well)
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}
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n := strconv.Itoa(d.Day())
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g.Text(x+(dayW-pixel.Measure(names[i]))/2, 0, names[i], pixel.Faint, 1)
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g.Text(x+(dayW-pixel.Measure(n))/2, pixel.LineHeight-2, n, pixel.Ink, 1)
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if sameDay(d, now) {
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g.HLine(x+4, dayH-2, dayW-8, pixel.Accent)
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}
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}
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g.Finish(st)
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})
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res := WeekStripResult{Element: shell, Changed: !date.Equal(old)}
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if res.Changed {
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slog.Debug("8bit: week strip", "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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