remove demo game

ui.panel.go

@@ -0,0 +1,44 @@
+package pncdsl
+
+import (
+	"image/color"
+
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/vector"
+)
+
+// Panel is a generic background widget — a colored rectangle. Useful as a
+// backdrop for grouping other widgets or as a chat/notebook frame.
+type Panel struct {
+	Name   string
+	Bounds Rectangle
+	// BG, if nil, falls back to the active Theme.PanelBG.
+	BG color.Color
+	// Border thickness in pixels (0 = no border).
+	Border int
+	// BorderColor, if nil, falls back to Theme.DialogBorder.
+	BorderColor color.Color
+}
+
+func (p *Panel) GetName() string { return p.Name }
+func (p *Panel) Tick(ctx *UICtx) {}
+
+func (p *Panel) Draw(dst *ebiten.Image, ctx *UICtx) {
+	bg := p.BG
+	if bg == nil {
+		bg = ctx.Game.Theme().PanelBG
+	}
+	vector.DrawFilledRect(dst,
+		float32(p.Bounds.X), float32(p.Bounds.Y),
+		float32(p.Bounds.W), float32(p.Bounds.H), bg, false)
+	if p.Border > 0 {
+		bc := p.BorderColor
+		if bc == nil {
+			bc = ctx.Game.Theme().DialogBorder
+		}
+		vector.StrokeRect(dst,
+			float32(p.Bounds.X), float32(p.Bounds.Y),
+			float32(p.Bounds.W), float32(p.Bounds.H),
+			float32(p.Border), bc, false)
+	}
+}