Add feedback components 106-130; inert scope, focus return, two-step deploy

feedback/alert.go

@@ -0,0 +1,76 @@
+package feedback
+
+import (
+	"fmt"
+	"log/slog"
+
+	"github.com/egoist/mygo/ui"
+
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/display"
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/icon"
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/input"
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
+	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/text"
+)
+
+// Kind is a message's tone.
+type Kind uint8
+
+const (
+	Info Kind = iota
+	Success
+	Warning
+	Danger
+)
+
+// look is a kind's slot and icon.
+func (k Kind) look() (pixel.Slot, *pixel.Sprite) {
+	switch k {
+	case Info:
+		return pixel.Info, icon.Info
+	case Success:
+		return pixel.Good, icon.Check
+	case Warning:
+		return pixel.Warn, icon.Warning
+	case Danger:
+		return pixel.Bad, icon.Error
+	}
+	panic(fmt.Sprintf("feedback: unknown Kind %d", k))
+}
+
+type AlertOptions struct {
+	Kind Kind
+	// Closable adds a × that reports Closed.
+	Closable bool
+	Disabled bool
+}
+
+type AlertResult struct {
+	Element *ui.Element
+	Closed  bool
+}
+
+// Alert is a framed callout: icon, title and text.
+func Alert(c *ui.Context, title, message string, o AlertOptions) AlertResult {
+	k := pixel.K(c)
+	slot, sp := o.Kind.look()
+	res := AlertResult{}
+	res.Element = ui.Row(c).Gap(k.D(6)).Padding(k.D(6), k.D(8), k.D(6), k.D(10)).AlignItems(ui.Start).Role(ui.RoleStatus).Label(title).Draw(func(p *ui.Painter, r ui.Rect) {
+		g := k.Canvas(p, r)
+		g.Frame(0, 0, g.W, g.H, pixel.Window, pixel.Face)
+		g.Rect(3, 3, 3, g.H-6, slot)
+	}).Children(func() {
+		display.Icon(c, sp, display.IconOptions{Slot: slot})
+		ui.Column(c).Grow(1).Gap(k.D(2)).Children(func() {
+			pixel.Text(c, title, pixel.TextOptions{Slot: slot})
+			text.Paragraph(c, message, text.ParagraphOptions{})
+		})
+		if o.Closable {
+			res.Closed = input.IconButton(c, icon.Close, k.Msg("close"), input.IconButtonOptions{Variant: input.Ghost, Size: input.Small, Disabled: o.Disabled}).Clicked
+		}
+	})
+	if res.Closed {
+		slog.Debug("8bit: alert closed", "title", title)
+	}
+	return res
+}