Add overlay components 176-195; pixel Harbor and Kit.Cue

Dialogs on DialogBase with focusable panels that harbor parked focus,
popovers on PopoverBase, bubbles, drawers, sheets, a lightbox, an RPG
dialogue box, notifications, a pause menu and a dithered title card.
Kit.Cue moves from feedback to pixel.

overlay/progressdialog.go

@@ -0,0 +1,46 @@
+package overlay
+
+import (
+	"log/slog"
+
+	"github.com/egoist/mygo/ui"
+
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/feedback"
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/layout"
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
+)
+
+type ProgressDialogOptions struct {
+	Disabled bool
+}
+
+type ProgressDialogResult struct {
+	Element *ui.Element
+	// Canceled is CANCEL, Escape or a click outside.
+	Canceled bool
+}
+
+// ProgressDialog holds the view on a progress bar with CANCEL.
+func ProgressDialog(c *ui.Context, title string, value float64, open *bool, o ProgressDialogOptions) ProgressDialogResult {
+	k := pixel.K(c)
+	was := *open
+	var res ProgressDialogResult
+	res.Element = ui.DialogBase(c, open, func(back, panel *ui.Element) {
+		dim(k, back, pixel.Back, 8)
+		panel.Width(k.D(200)).Label(title).Focusable().FocusRing(false).Children(func() {
+			pixel.Harbor(c, panel, func() {
+				layout.Window(c, layout.WindowOptions{Title: title}, func() {
+					ui.Column(c).Gap(k.D(6)).AlignItems(ui.Stretch).Children(func() {
+						feedback.Progress(c, title, value, feedback.ProgressOptions{})
+						actions(c, []string{k.Msg("cancel")}, o.Disabled, func(int) { *open = false })
+					})
+				})
+			})
+		})
+	})
+	res.Canceled = was && !*open
+	if res.Canceled {
+		slog.Debug("8bit: progress canceled", "title", title, "value", value)
+	}
+	return res
+}