Add input components 086-105; park focus off disabled controls

input/segmented.go

@@ -0,0 +1,57 @@
+package input
+
+import (
+	"log/slog"
+
+	"github.com/egoist/mygo/ui"
+
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
+)
+
+type SegmentedOptions struct {
+	Disabled bool
+}
+
+type SegmentedResult struct {
+	Element *ui.Element
+	Changed bool
+}
+
+// Segmented joins segments choosing one; arrows move.
+func Segmented(c *ui.Context, text string, labels []string, selected *int, o SegmentedOptions) SegmentedResult {
+	k := pixel.K(c)
+	p := ui.SegmentedBase(c, selected, len(labels))
+	w := 0
+	for _, l := range labels {
+		w += pixel.Measure(l) + 12
+	}
+	p.Track.Width(k.D(w)).Label(text).Draw(func(pt *ui.Painter, r ui.Rect) {
+		g := k.Canvas(pt, r)
+		g.Frame(0, 0, g.W, g.H, pixel.Notched, pixel.Face)
+	}).Children(func() {
+		for i, l := range labels {
+			shell, _, st := pixel.Shell(c, func() *ui.Element { return p.Segment(i).Label(l).Disabled(o.Disabled) })
+			shell.Size(k.D(pixel.Measure(l)+12), k.D(pixel.LineHeight+4)).Draw(func(pt *ui.Painter, r ui.Rect) {
+				g := k.Canvas(pt, r)
+				ink := pixel.Ink
+				switch {
+				case *selected == i:
+					g.Rect(1, 1, g.W-2, g.H-2, pixel.Accent)
+					ink = pixel.AccentInk
+				case st.Hover:
+					g.Rect(1, 1, g.W-2, g.H-2, pixel.Lit)
+				}
+				if i > 0 {
+					g.VLine(0, 1, g.H-2, pixel.Edge)
+				}
+				g.Text(6, 2, l, ink, 1)
+				finish(g, st)
+			})
+		}
+	})
+	res := SegmentedResult{Element: p.Track, Changed: p.Track.Changed()}
+	if res.Changed {
+		slog.Debug("8bit: segmented", "label", text, "selected", *selected)
+	}
+	return res
+}