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

input/colorslot.go

@@ -0,0 +1,45 @@
+package input
+
+import (
+	"log/slog"
+
+	"github.com/egoist/mygo/ui"
+
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
+)
+
+type ColorSlotOptions struct {
+	Disabled bool
+}
+
+type ColorSlotResult struct {
+	Element *ui.Element
+	Changed bool
+}
+
+// ColorSlot picks one of 16 palette slots from a grid.
+func ColorSlot(c *ui.Context, text string, value *pixel.Slot, o ColorSlotOptions) ColorSlotResult {
+	k := pixel.K(c)
+	cur := int(*value)
+	shell, base, st, _ := pad(c, text, 8, pixel.Slots, 12, 12, &cur, o.Disabled)
+	res := ColorSlotResult{Element: shell, Changed: pixel.Slot(cur) != *value}
+	*value = pixel.Slot(cur)
+	base.Description(value.String())
+	shell.Draw(func(p *ui.Painter, r ui.Rect) {
+		g := k.Canvas(p, r)
+		for i := range pixel.Slots {
+			x, y := i%8*12, i/8*12
+			if pixel.Slot(i) == *value {
+				g.Rect(x, y, 12, 12, pixel.Ink)
+				g.Rect(x+1, y+1, 10, 10, pixel.Lit)
+			}
+			g.Rect(x+2, y+2, 8, 8, pixel.Edge)
+			g.Rect(x+3, y+3, 6, 6, pixel.Slot(i))
+		}
+		finish(g, st)
+	})
+	if res.Changed {
+		slog.Debug("8bit: color slot", "label", text, "slot", *value)
+	}
+	return res
+}