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

input/togglegroup.go

@@ -0,0 +1,59 @@
+package input
+
+import (
+	"fmt"
+	"log/slog"
+
+	"github.com/egoist/mygo/ui"
+
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
+)
+
+type ToggleGroupOptions struct {
+	// Single keeps at most one toggle on.
+	Single   bool
+	Size     Size
+	Disabled bool
+	Label    string
+}
+
+type ToggleGroupResult struct {
+	Element *ui.Element
+	Changed bool
+}
+
+// ToggleGroup joins toggles; on[i] holds each one's state.
+func ToggleGroup(c *ui.Context, labels []string, on []bool, o ToggleGroupOptions) ToggleGroupResult {
+	if len(on) != len(labels) {
+		panic(fmt.Sprintf("input: ToggleGroup has %d labels and %d states", len(labels), len(on)))
+	}
+	k := pixel.K(c)
+	h, pad, top, sc := o.Size.metrics()
+	res := ToggleGroupResult{}
+	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.ToggleBase(c, &on[i]).Label(l).Disabled(o.Disabled) })
+			if i > 0 {
+				shell.Margin(0, 0, 0, k.D(-1))
+			}
+			shell.Size(k.D(pixel.Measure(l)*sc+2*pad), k.D(h)).Draw(func(p *ui.Painter, r ui.Rect) {
+				g := k.Canvas(p, r)
+				ink, dy := face(g, Normal, st, on[i])
+				g.Text(pad, top+dy, l, ink, sc)
+				finish(g, st)
+			})
+			if base.Changed() {
+				res.Changed = true
+				if o.Single && on[i] {
+					for j := range on {
+						on[j] = j == i
+					}
+				}
+			}
+		}
+	})
+	if res.Changed {
+		slog.Debug("8bit: toggle group", "on", on)
+	}
+	return res
+}