bugfix: nested menus not working correctly

_demo/demo.go

@@ -8,13 +8,15 @@ import (
 	"runtime/pprof"
 	"runtime/trace"
 	"time"
+	"image"
 
 	"github.com/aarzilli/nucular"
 	"github.com/aarzilli/nucular/label"
+	"github.com/aarzilli/nucular/rect"
 	nstyle "github.com/aarzilli/nucular/style"
 )
 
-var whichdemo int = 4
+var whichdemo int = 9
 
 const dotrace = false
 const scaling = 1.8
@@ -77,6 +79,8 @@ func main() {
 		pd := &panelDebug{}
 		pd.Init()
 		wnd = nucular.NewMasterWindow(pd.Update, nucular.WindowNoScrollbar)
+	case 9:
+		wnd = nucular.NewMasterWindow(nestedMenu, nucular.WindowNoScrollbar)
 	}
 	wnd.SetStyle(nstyle.FromTheme(theme, scaling))
 	wnd.Main()
@@ -248,3 +252,19 @@ func (pd *panelDebug) groupOrBlock(w *nucular.Window, name string, flags nucular
 		}
 	}
 }
+
+func nestedMenu(w *nucular.Window) {
+	w.Row(20).Static(180)
+	w.Label("Test", "CC")
+	w.ContextualOpen(0, image.Point{0,0}, w.LastWidgetBounds, func (w *nucular.Window) {
+		w.Row(20).Dynamic(1)
+		if w.MenuItem(label.TA("Submenu", "CC")) {
+			w.ContextualOpen(0, image.Point{ 0, 0 }, rect.Rect{ 0, 0, 0, 0}, func(w *nucular.Window) {
+				w.Row(20).Dynamic(1)
+				if w.MenuItem(label.TA("Done", "CC")) {
+					fmt.Printf("done\n")
+				}
+			})
+		}
+	})
+}

context.go

@@ -73,6 +73,7 @@ func (ctx *context) Update() {
 			}
 		}
 		contextEnd(ctx)
+		ctx.Reset()
 		if !ctx.trashFrame {
 			break
 		}

shiny.go

@@ -339,7 +339,6 @@ func (w *masterWindow) updateLocked() {
 		d.Dot = fixed.P(bounds.Min.X, bounds.Min.Y+w.ctx.Style.Font.Metrics().Ascent.Ceil())
 		d.DrawString(s)
 	}
-	w.ctx.Reset()
 	if nprimitives > 0 {
 		w.wnd.Upload(w.bounds.Min, w.wndb, w.bounds)
 		w.wnd.Publish()