albums and genre pages: save/reload search context

ui/widgets/searchentry.go

@@ -8,8 +8,7 @@ import (
 
 type SearchEntry struct {
 	widget.Entry
-	height        float32
-	OnTextChanged func(string)
+	height float32
 }
 
 func NewSearchEntry() *SearchEntry {
@@ -23,20 +22,18 @@ func NewSearchEntry() *SearchEntry {
 		sf.SetText("")
 	}
 	sf.ActionItem = c
-	sf.OnChanged = func(s string) {
-		if s == "" {
-			c.Resource = theme.SearchIcon()
-		} else {
-			c.Resource = theme.ContentClearIcon()
-		}
-		c.Refresh()
-		if sf.OnTextChanged != nil {
-			sf.OnTextChanged(s)
-		}
-	}
 	return sf
 }
 
+func (s *SearchEntry) Refresh() {
+	if s.Text == "" {
+		s.ActionItem.(*clearTextButton).Resource = theme.SearchIcon()
+	} else {
+		s.ActionItem.(*clearTextButton).Resource = theme.ContentClearIcon()
+	}
+	s.Entry.Refresh()
+}
+
 func (s *SearchEntry) MinSize() fyne.Size {
 	return fyne.NewSize(200, s.height)
 }

ui/widgets/searcher.go

@@ -18,7 +18,7 @@ func NewSearcher() *Searcher {
 	s := &Searcher{
 		Entry: NewSearchEntry(),
 	}
-	s.Entry.OnTextChanged = s.onSearchTextChanged
+	s.Entry.OnChanged = s.onSearchTextChanged
 	return s
 }