Add input components 066-085; gallery chrome on real components; deploy warms the edge

input/buttongroup.go

@@ -0,0 +1,52 @@
+package input
+
+import (
+	"log/slog"
+
+	"github.com/egoist/mygo/ui"
+
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
+)
+
+type ButtonGroupOptions struct {
+	Variant  Variant
+	Size     Size
+	Disabled bool
+	// Label names the group for assistive technology.
+	Label string
+}
+
+type ButtonGroupResult struct {
+	Element *ui.Element
+	// Clicked is the button clicked this frame, or -1.
+	Clicked int
+}
+
+// ButtonGroup joins buttons as one Tab stop; arrows move.
+func ButtonGroup(c *ui.Context, labels []string, o ButtonGroupOptions) ButtonGroupResult {
+	k := pixel.K(c)
+	h, pad, top, sc := o.Size.metrics()
+	res := ButtonGroupResult{Clicked: -1}
+	res.Element = ui.Row(c).Role(ui.RoleToolbar).Label(o.Label).FocusGroup(ui.Horizontal).Children(func() {
+		for i, l := range labels {
+			shell, base, st := pixel.Shell(c, func() *ui.Element { return ui.ButtonBase(c).Label(l).Disabled(o.Disabled) })
+			w := pixel.Measure(l)*sc + 2*pad
+			if i > 0 {
+				shell.Margin(0, 0, 0, k.D(-1))
+			}
+			shell.Size(k.D(w), k.D(h)).Draw(func(p *ui.Painter, r ui.Rect) {
+				g := k.Canvas(p, r)
+				ink, dy := face(g, o.Variant, st, false)
+				g.Text(pad, top+dy, l, ink, sc)
+				finish(g, st)
+			})
+			if base.Clicked() {
+				res.Clicked = i
+			}
+		}
+	})
+	if res.Clicked >= 0 {
+		slog.Debug("8bit: button group", "label", labels[res.Clicked])
+	}
+	return res
+}