53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
package input
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import (
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"log/slog"
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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 ButtonGroupOptions struct {
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Variant Variant
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Size Size
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Disabled bool
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// Label names the group for assistive technology.
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Label string
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}
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type ButtonGroupResult struct {
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Element *ui.Element
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// Clicked is the button clicked this frame, or -1.
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Clicked int
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}
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// ButtonGroup joins buttons as one Tab stop; arrows move.
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func ButtonGroup(c *ui.Context, labels []string, o ButtonGroupOptions) ButtonGroupResult {
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k := pixel.K(c)
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h, pad, top, sc := o.Size.metrics()
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res := ButtonGroupResult{Clicked: -1}
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res.Element = ui.Row(c).Role(ui.RoleToolbar).Label(o.Label).FocusGroup(ui.Horizontal).Children(func() {
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for i, l := range labels {
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shell, base, st := pixel.Shell(c, func() *ui.Element { return ui.ButtonBase(c).Label(l).Disabled(o.Disabled) })
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w := pixel.Measure(l)*sc + 2*pad
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if i > 0 {
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shell.Margin(0, 0, 0, k.D(-1))
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}
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shell.Size(k.D(w), k.D(h)).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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ink, dy := face(g, o.Variant, st, false)
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g.Text(pad, top+dy, l, ink, sc)
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g.Finish(st)
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})
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if base.Clicked() {
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res.Clicked = i
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}
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}
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})
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if res.Clicked >= 0 {
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slog.Debug("8bit: button group", "label", labels[res.Clicked])
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}
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return res
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}
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