move ThemedRectangle to theme package

ui/widgets/listheader.go

@@ -3,6 +3,7 @@ package widgets
 import (
 	"log"
 	"supersonic/ui/layouts"
+	myTheme "supersonic/ui/theme"
 
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/container"
@@ -41,7 +42,7 @@ func NewListHeader(cols []ListColumn, layout *layouts.ColumnsLayout) *ListHeader
 	for i, _ := range l.columnVisible {
 		l.columnVisible[i] = true
 	}
-	l.container = container.NewMax(NewThemedRectangle(theme.ColorNameBackground), l.columnsContainer)
+	l.container = container.NewMax(myTheme.NewThemedRectangle(theme.ColorNameBackground), l.columnsContainer)
 	l.ExtendBaseWidget(l)
 	l.buildColumns()
 	return l

ui/widgets/themed.go

@@ -1,35 +0,0 @@
-package widgets
-
-import (
-	"fyne.io/fyne/v2"
-	"fyne.io/fyne/v2/canvas"
-	"fyne.io/fyne/v2/widget"
-)
-
-type ThemedRectangle struct {
-	widget.BaseWidget
-
-	rect *canvas.Rectangle
-
-	ColorName fyne.ThemeColorName
-}
-
-func NewThemedRectangle(colorName fyne.ThemeColorName) *ThemedRectangle {
-	t := &ThemedRectangle{
-		ColorName: colorName,
-		rect: canvas.NewRectangle(fyne.CurrentApp().Settings().Theme().Color(colorName,
-			fyne.CurrentApp().Settings().ThemeVariant())),
-	}
-	t.ExtendBaseWidget(t)
-	return t
-}
-
-func (t *ThemedRectangle) Refresh() {
-	t.rect.FillColor = fyne.CurrentApp().Settings().Theme().Color(t.ColorName,
-		fyne.CurrentApp().Settings().ThemeVariant())
-	t.BaseWidget.Refresh()
-}
-
-func (t *ThemedRectangle) CreateRenderer() fyne.WidgetRenderer {
-	return widget.NewSimpleRenderer(t.rect)
-}