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

input/toggle.go

@@ -0,0 +1,52 @@
+package input
+
+import (
+	"log/slog"
+
+	"github.com/egoist/mygo/ui"
+
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
+)
+
+type ToggleOptions struct {
+	Size     Size
+	Icon     *pixel.Sprite
+	Disabled bool
+	// Label names it for assistive technology; zero uses text.
+	Label string
+}
+
+type ToggleResult struct {
+	Element *ui.Element
+	Changed bool
+}
+
+// Toggle is a button that stays sunken while *on.
+func Toggle(c *ui.Context, text string, on *bool, o ToggleOptions) ToggleResult {
+	k := pixel.K(c)
+	h, pad, top, sc := o.Size.metrics()
+	shell, base, st := pixel.Shell(c, func() *ui.Element {
+		return ui.ToggleBase(c, on).Label(label(o.Label, text)).Disabled(o.Disabled)
+	})
+	lead := 0
+	if o.Icon != nil {
+		lead = o.Icon.W
+		if text != "" {
+			lead += 3
+		}
+	}
+	shell.Size(k.D(pixel.Measure(text)*sc+lead+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)
+		if o.Icon != nil {
+			g.Sprite(pad, (h-o.Icon.H)/2+dy, o.Icon, 0, ink, 1)
+		}
+		g.Text(pad+lead, top+dy, text, ink, sc)
+		finish(g, st)
+	})
+	res := ToggleResult{Element: shell, Changed: base.Changed()}
+	if res.Changed {
+		slog.Debug("8bit: toggle", "label", label(o.Label, text), "on", *on)
+	}
+	return res
+}