more work on album filters

backend/albumiterator.go

@@ -68,6 +68,11 @@ func (f *AlbumFilter) Matches(album *subsonic.AlbumID3) bool {
 	return false
 }
 
+func (f *AlbumFilter) IsEmpty() bool {
+	return !f.ExcludeFavorited && !f.ExcludeUnfavorited &&
+		f.MinYear == 0 && f.MaxYear == 0 && len(f.Genres) == 0
+}
+
 func (l *LibraryManager) AlbumsIter(sort AlbumSortOrder, filter AlbumFilter) AlbumIterator {
 	switch sort {
 	case AlbumSortRecentlyAdded:
@@ -101,10 +106,10 @@ func (l *LibraryManager) GenreIter(genre string, filter AlbumFilter) AlbumIterat
 }
 
 func (l *LibraryManager) SearchIter(query string) AlbumIterator {
-	return l.newSearchIter(query, func(*subsonic.AlbumID3) bool { return true })
+	return l.newSearchIter(query, AlbumFilter{})
 }
 
-func (l *LibraryManager) SearchIterWithFilter(query string, filter func(*subsonic.AlbumID3) bool) AlbumIterator {
+func (l *LibraryManager) SearchIterWithFilter(query string, filter AlbumFilter) AlbumIterator {
 	return l.newSearchIter(query, filter)
 }
 
@@ -119,7 +124,7 @@ func (l *LibraryManager) GetAlbum(id string) (*subsonic.AlbumID3, error) {
 type baseIter struct {
 	listType      string
 	filter        AlbumFilter
-	pos           int
+	serverPos     int
 	l             *LibraryManager
 	s             *subsonic.Client
 	opts          map[string]string
@@ -142,36 +147,33 @@ func (r *baseIter) Next() *subsonic.AlbumID3 {
 	if r.done {
 		return nil
 	}
-	if r.prefetched != nil {
+	if r.prefetched != nil && r.prefetchedPos < len(r.prefetched) {
 		a := r.prefetched[r.prefetchedPos]
 		r.prefetchedPos++
-		if r.prefetchedPos == len(r.prefetched) {
-			r.prefetched = nil
-			r.prefetchedPos = 0
-			r.pos++
-		}
-		r.pos++
-
 		return a
 	}
-	r.opts["offset"] = strconv.Itoa(r.pos)
-	albums, err := r.s.GetAlbumList2(r.listType, r.opts)
-	if err != nil {
-		log.Println(err)
-		albums = nil
+	r.prefetched = nil
+	for { // keep fetching until we are done or have mathcing results
+		r.opts["offset"] = strconv.Itoa(r.serverPos)
+		albums, err := r.s.GetAlbumList2(r.listType, r.opts)
+		if err != nil {
+			log.Printf("error fetching albums: %s", err.Error())
+			albums = nil
+		}
+		if len(albums) == 0 {
+			r.done = true
+			return nil
+		}
+		r.serverPos += len(albums)
+		albums = sharedutil.FilterSlice(albums, r.filter.Matches)
+		r.prefetched = albums
+		if len(albums) > 0 {
+			break
+		}
 	}
-	albums = sharedutil.FilterSlice(albums, r.filter.Matches)
-	if len(albums) == 0 {
-		r.done = true
-		return nil
-	} else if len(albums) == 1 {
-		r.done = true
-		return albums[0]
-	}
-	r.prefetched = albums
 	r.prefetchedPos = 1
 	if r.l.PreCacheCoverFn != nil {
-		for _, album := range albums {
+		for _, album := range r.prefetched {
 			go r.l.PreCacheCoverFn(album.CoverArt)
 		}
 	}
@@ -183,14 +185,14 @@ type searchIter struct {
 	searchIterBase
 
 	l             *LibraryManager
-	filter        func(*subsonic.AlbumID3) bool
+	filter        AlbumFilter
 	prefetched    []*subsonic.AlbumID3
 	prefetchedPos int
 	albumIDset    map[string]bool
 	done          bool
 }
 
-func (l *LibraryManager) newSearchIter(query string, filter func(*subsonic.AlbumID3) bool) *searchIter {
+func (l *LibraryManager) newSearchIter(query string, filter AlbumFilter) *searchIter {
 	return &searchIter{
 		searchIterBase: searchIterBase{
 			query: query,
@@ -266,7 +268,7 @@ func (s *searchIter) addNewAlbums(al []*subsonic.AlbumID3) {
 		if _, have := s.albumIDset[album.ID]; have {
 			continue
 		}
-		if !s.filter(album) {
+		if !s.filter.Matches(album) {
 			continue
 		}
 		s.prefetched = append(s.prefetched, album)

ui/browsing/albumspage.go

@@ -4,7 +4,6 @@ import (
 	"github.com/dweymouth/supersonic/backend"
 	"github.com/dweymouth/supersonic/sharedutil"
 	"github.com/dweymouth/supersonic/ui/controller"
-	"github.com/dweymouth/supersonic/ui/dialogs"
 	"github.com/dweymouth/supersonic/ui/util"
 	"github.com/dweymouth/supersonic/ui/widgets"
 
@@ -77,14 +76,20 @@ func NewAlbumsPage(cfg *backend.AlbumsPageConfig, contr *controller.Controller,
 	iter := lm.AlbumsIter(backend.AlbumSortOrder(a.sortOrder.Selected), a.filter)
 	a.grid = widgets.NewGridView(widgets.NewGridViewAlbumIterator(iter), im)
 	contr.ConnectAlbumGridActions(a.grid)
-	a.searcher = widgets.NewSearchEntry()
-	a.searcher.OnSearched = a.OnSearched
-	a.filterBtn = widgets.NewAlbumFilterButton(&a.filter, func(filter *backend.AlbumFilter) fyne.CanvasObject { return dialogs.NewAlbumFilterDialog(filter) })
+	a.createSearchAndFilter("")
 	a.createContainer(false)
 
 	return a
 }
 
+func (a *AlbumsPage) createSearchAndFilter(searchText string) {
+	a.searcher = widgets.NewSearchEntry()
+	a.searcher.Text = searchText
+	a.searcher.OnSearched = a.OnSearched
+	a.filterBtn = widgets.NewAlbumFilterButton(&a.filter)
+	a.filterBtn.OnChanged = a.Reload
+}
+
 func (a *AlbumsPage) createContainer(searchgrid bool) {
 	searchVbox := container.NewVBox(layout.NewSpacer(), a.searcher, layout.NewSpacer())
 	sortVbox := container.NewVBox(layout.NewSpacer(), a.sortOrder, layout.NewSpacer())
@@ -93,7 +98,7 @@ func (a *AlbumsPage) createContainer(searchgrid bool) {
 		g = a.searchGrid
 	}
 	a.container = container.NewBorder(
-		container.NewHBox(util.NewHSpace(6), a.titleDisp, sortVbox, layout.NewSpacer(), a.filterBtn, searchVbox, util.NewHSpace(12)),
+		container.NewHBox(util.NewHSpace(6), a.titleDisp, sortVbox, layout.NewSpacer(), container.NewCenter(a.filterBtn), searchVbox, util.NewHSpace(12)),
 		nil,
 		nil,
 		nil,
@@ -103,11 +108,13 @@ func (a *AlbumsPage) createContainer(searchgrid bool) {
 
 func restoreAlbumsPage(saved *savedAlbumsPage) *AlbumsPage {
 	a := &AlbumsPage{
-		cfg:   saved.cfg,
-		contr: saved.contr,
-		pm:    saved.pm,
-		lm:    saved.lm,
-		im:    saved.im,
+		cfg:        saved.cfg,
+		contr:      saved.contr,
+		pm:         saved.pm,
+		lm:         saved.lm,
+		im:         saved.im,
+		searchText: saved.searchText,
+		filter:     saved.filter,
 	}
 	a.ExtendBaseWidget(a)
 
@@ -119,13 +126,10 @@ func restoreAlbumsPage(saved *savedAlbumsPage) *AlbumsPage {
 	a.sortOrder.Selected = saved.sortOrder
 	a.sortOrder.OnChanged = a.onSortOrderChanged
 	a.grid = widgets.NewGridViewFromState(saved.gridState)
-	a.searcher = widgets.NewSearchEntry()
-	a.searcher.OnSearched = a.OnSearched
-	a.searcher.Entry.Text = saved.searchText
-	a.searchText = saved.searchText
 	if a.searchText != "" {
 		a.searchGrid = widgets.NewGridViewFromState(saved.searchGridState)
 	}
+	a.createSearchAndFilter(saved.searchText)
 	a.createContainer(saved.searchText != "")
 
 	return a
@@ -172,6 +176,7 @@ func (a *AlbumsPage) Save() SavedPage {
 		lm:         a.lm,
 		im:         a.im,
 		searchText: a.searchText,
+		filter:     a.filter,
 		sortOrder:  a.sortOrder.Selected,
 		gridState:  a.grid.SaveToState(),
 	}
@@ -186,7 +191,7 @@ func (a *AlbumsPage) doSearch(query string) {
 		a.searchGrid = widgets.NewGridView(widgets.NewGridViewAlbumIterator(a.lm.SearchIter(query)), a.im)
 		a.contr.ConnectAlbumGridActions(a.searchGrid)
 	} else {
-		a.searchGrid.Reset(widgets.NewGridViewAlbumIterator(a.lm.SearchIter(query)))
+		a.searchGrid.Reset(widgets.NewGridViewAlbumIterator(a.lm.SearchIterWithFilter(query, a.filter)))
 	}
 	a.container.Objects[0] = a.searchGrid
 	a.Refresh()
@@ -209,6 +214,7 @@ func (a *AlbumsPage) CreateRenderer() fyne.WidgetRenderer {
 
 type savedAlbumsPage struct {
 	searchText      string
+	filter          backend.AlbumFilter
 	cfg             *backend.AlbumsPageConfig
 	contr           *controller.Controller
 	pm              *backend.PlaybackManager

ui/browsing/favoritespage.go

@@ -2,7 +2,6 @@ package browsing
 
 import (
 	"log"
-	"time"
 
 	"github.com/dweymouth/supersonic/backend"
 	"github.com/dweymouth/supersonic/ui/controller"
@@ -213,9 +212,7 @@ func (a *FavoritesPage) OnSongChange(song *subsonic.Child, _ *subsonic.Child) {
 }
 
 func (a *FavoritesPage) doSearchAlbums(query string) {
-	iter := a.lm.SearchIterWithFilter(query, func(al *subsonic.AlbumID3) bool {
-		return al.Starred.After(time.Time{})
-	})
+	iter := a.lm.SearchIterWithFilter(query, backend.AlbumFilter{ExcludeUnfavorited: true})
 	if a.searchGrid == nil {
 		a.searchGrid = widgets.NewGridView(widgets.NewGridViewAlbumIterator(iter), a.im)
 		a.contr.ConnectAlbumGridActions(a.searchGrid)

ui/browsing/genrepage.go

@@ -12,8 +12,6 @@ import (
 	"fyne.io/fyne/v2/layout"
 	"fyne.io/fyne/v2/theme"
 	"fyne.io/fyne/v2/widget"
-
-	"github.com/dweymouth/go-subsonic/subsonic"
 )
 
 // TODO: there is a lot of code duplication between this and albumspage. Refactor?
@@ -160,9 +158,7 @@ func (g *GenrePage) OnSearched(query string) {
 }
 
 func (g *GenrePage) doSearch(query string) {
-	iter := g.lm.SearchIterWithFilter(query, func(al *subsonic.AlbumID3) bool {
-		return al.Genre == g.genre
-	})
+	iter := g.lm.SearchIterWithFilter(query, backend.AlbumFilter{Genres: []string{g.genre}})
 	if g.searchGrid == nil {
 		g.searchGrid = widgets.NewGridView(widgets.NewGridViewAlbumIterator(iter), g.im)
 		g.contr.ConnectAlbumGridActions(g.searchGrid)

ui/dialogs/albumfilterdialog.go

@@ -1,76 +0,0 @@
-package dialogs
-
-import (
-	"strconv"
-	"unicode"
-
-	"fyne.io/fyne/v2"
-	"fyne.io/fyne/v2/container"
-	"fyne.io/fyne/v2/widget"
-	"github.com/dweymouth/supersonic/backend"
-	"github.com/dweymouth/supersonic/ui/widgets"
-)
-
-type AlbumFilterDialog struct {
-	widget.BaseWidget
-
-	OnDismissed func()
-
-	filter    *backend.AlbumFilter
-	container *fyne.Container
-}
-
-func NewAlbumFilterDialog(filter *backend.AlbumFilter) *AlbumFilterDialog {
-	a := &AlbumFilterDialog{filter: filter}
-	a.ExtendBaseWidget(a)
-
-	// setup min and max year filters
-	yearValidator := func(curText string, r rune) bool {
-		return unicode.IsDigit(r) && len(curText) <= 3
-	}
-	minYear := widgets.NewTextRestrictedEntry(yearValidator)
-	minYear.OnChanged = func(yearStr string) {
-		if i, err := strconv.Atoi(yearStr); err == nil {
-			a.filter.MinYear = i
-		}
-	}
-	if filter.MinYear > 0 {
-		minYear.Text = strconv.Itoa(filter.MinYear)
-	}
-	maxYear := widgets.NewTextRestrictedEntry(yearValidator)
-	maxYear.OnChanged = func(yearStr string) {
-		if i, err := strconv.Atoi(yearStr); err == nil {
-			a.filter.MaxYear = i
-		}
-	}
-	if filter.MaxYear > 0 {
-		maxYear.Text = strconv.Itoa(filter.MaxYear)
-	}
-
-	var isNotFavorite *widget.Check
-	// setup is favorite/not favorite filters
-	isFavorite := widget.NewCheck("Is favorite", func(fav bool) {
-		if fav {
-			isNotFavorite.SetChecked(false)
-		}
-		a.filter.ExcludeUnfavorited = fav
-	})
-	isNotFavorite = widget.NewCheck("Is not favorite", func(fav bool) {
-		if fav {
-			isFavorite.SetChecked(false)
-		}
-		a.filter.ExcludeFavorited = fav
-	})
-
-	a.container = container.NewVBox(
-		container.NewHBox(widget.NewLabel("Year from"), minYear, widget.NewLabel("to"), maxYear),
-		isFavorite,
-		isNotFavorite,
-	)
-
-	return a
-}
-
-func (a *AlbumFilterDialog) CreateRenderer() fyne.WidgetRenderer {
-	return widget.NewSimpleRenderer(a.container)
-}

ui/dialogs/settingsdialog.go

@@ -113,8 +113,8 @@ func (s *SettingsDialog) createGeneralTab() *container.TabItem {
 
 	// Scrobble settings
 
-	twoDigitValidator := func(text string, r rune) bool {
-		return unicode.IsDigit(r) && len(text) < 2
+	twoDigitValidator := func(text, selText string, r rune) bool {
+		return unicode.IsDigit(r) && len(text)-len(selText) < 2
 	}
 
 	percentEntry := widgets.NewTextRestrictedEntry(twoDigitValidator)
@@ -247,7 +247,7 @@ func (s *SettingsDialog) createPlaybackTab() *container.TabItem {
 		replayGainSelect.SetSelectedIndex(0)
 	}
 
-	preampGain := widgets.NewTextRestrictedEntry(func(curText string, r rune) bool {
+	preampGain := widgets.NewTextRestrictedEntry(func(curText, _ string, r rune) bool {
 		return (curText == "" && r == '-') ||
 			(curText == "" && unicode.IsDigit(r)) ||
 			((curText == "-" || curText == "0") && unicode.IsDigit(r))

ui/widgets/albumfilterbutton.go

@@ -0,0 +1,147 @@
+package widgets
+
+import (
+	"strconv"
+	"time"
+	"unicode"
+
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/layout"
+	"fyne.io/fyne/v2/widget"
+	"github.com/dweymouth/supersonic/backend"
+	"github.com/dweymouth/supersonic/ui/theme"
+	"github.com/dweymouth/supersonic/ui/util"
+)
+
+type AlbumFilterButton struct {
+	widget.Button
+
+	OnChanged func()
+
+	filter *backend.AlbumFilter
+	dialog *widget.PopUp
+}
+
+func NewAlbumFilterButton(filter *backend.AlbumFilter) *AlbumFilterButton {
+	a := &AlbumFilterButton{
+		filter: filter,
+		Button: widget.Button{
+			Icon: theme.AlbumIcon,
+		},
+	}
+	a.OnTapped = a.showFilterDialog
+	a.ExtendBaseWidget(a)
+	return a
+}
+
+func (a *AlbumFilterButton) Refresh() {
+	if a.filter.IsEmpty() {
+		a.Importance = widget.MediumImportance
+	} else {
+		a.Importance = widget.HighImportance
+	}
+	a.Button.Refresh()
+}
+
+func (a *AlbumFilterButton) onFilterChanged() {
+	a.Refresh()
+	if a.OnChanged != nil {
+		a.OnChanged()
+	}
+}
+
+func (a *AlbumFilterButton) showFilterDialog() {
+	if a.dialog == nil {
+		filterDlg := NewAlbumFilterPopup(a.filter)
+		filterDlg.OnChanged = a.onFilterChanged
+		a.dialog = widget.NewPopUp(filterDlg, fyne.CurrentApp().Driver().CanvasForObject(a))
+	}
+	pos := fyne.CurrentApp().Driver().AbsolutePositionForObject(a)
+	a.dialog.ShowAtPosition(fyne.NewPos(pos.X+a.Size().Width/2-a.dialog.MinSize().Width/2, pos.Y+a.Size().Height))
+}
+
+type AlbumFilterPopup struct {
+	widget.BaseWidget
+
+	OnChanged func()
+
+	filter    *backend.AlbumFilter
+	container *fyne.Container
+}
+
+func NewAlbumFilterPopup(filter *backend.AlbumFilter) *AlbumFilterPopup {
+	a := &AlbumFilterPopup{filter: filter}
+	a.ExtendBaseWidget(a)
+
+	debounceOnChanged := util.NewDebouncer(350*time.Millisecond, a.emitOnChanged)
+
+	// setup min and max year filters
+	yearValidator := func(curText, selText string, r rune) bool {
+		return unicode.IsDigit(r) && (len(selText) > 0 || len(curText) <= 3)
+	}
+	minYear := NewTextRestrictedEntry(yearValidator)
+	minYear.SetMinCharWidth(4)
+	minYear.OnChanged = func(yearStr string) {
+		if yearStr == "" {
+			a.filter.MinYear = 0
+		} else if i, err := strconv.Atoi(yearStr); err == nil {
+			a.filter.MinYear = i
+		}
+		debounceOnChanged()
+	}
+	if filter.MinYear > 0 {
+		minYear.Text = strconv.Itoa(filter.MinYear)
+	}
+	maxYear := NewTextRestrictedEntry(yearValidator)
+	maxYear.SetMinCharWidth(4)
+	maxYear.OnChanged = func(yearStr string) {
+		if yearStr == "" {
+			a.filter.MaxYear = 0
+		} else if i, err := strconv.Atoi(yearStr); err == nil {
+			a.filter.MaxYear = i
+		}
+		debounceOnChanged()
+	}
+	if filter.MaxYear > 0 {
+		maxYear.Text = strconv.Itoa(filter.MaxYear)
+	}
+
+	// setup is favorite/not favorite filters
+	var isNotFavorite *widget.Check
+	isFavorite := widget.NewCheck("Is favorite", func(fav bool) {
+		if fav {
+			isNotFavorite.SetChecked(false)
+		}
+		a.filter.ExcludeUnfavorited = fav
+		debounceOnChanged()
+	})
+	isNotFavorite = widget.NewCheck("Is not favorite", func(fav bool) {
+		if fav {
+			isFavorite.SetChecked(false)
+		}
+		a.filter.ExcludeFavorited = fav
+		debounceOnChanged()
+	})
+
+	// setup container
+	title := widget.NewLabel("Album filters")
+	title.TextStyle.Bold = true
+	a.container = container.NewVBox(
+		container.NewHBox(layout.NewSpacer(), title, layout.NewSpacer()),
+		container.NewHBox(widget.NewLabel("Year from"), minYear, widget.NewLabel("to"), maxYear),
+		container.NewHBox(isFavorite, isNotFavorite),
+	)
+
+	return a
+}
+
+func (a *AlbumFilterPopup) emitOnChanged() {
+	if a.OnChanged != nil {
+		a.OnChanged()
+	}
+}
+
+func (a *AlbumFilterPopup) CreateRenderer() fyne.WidgetRenderer {
+	return widget.NewSimpleRenderer(a.container)
+}

ui/widgets/custombuttons.go

@@ -1,71 +0,0 @@
-package widgets
-
-import (
-	"github.com/dweymouth/supersonic/backend"
-	"github.com/dweymouth/supersonic/res"
-	"github.com/dweymouth/supersonic/ui/theme"
-
-	"fyne.io/fyne/v2"
-	"fyne.io/fyne/v2/widget"
-)
-
-type FavoriteButton struct {
-	widget.Button
-
-	IsFavorited bool
-}
-
-func NewFavoriteButton(onTapped func()) *FavoriteButton {
-	f := &FavoriteButton{
-		Button: widget.Button{
-			OnTapped: onTapped,
-			Icon:     res.ResHeartOutlineInvertPng,
-		},
-	}
-	f.ExtendBaseWidget(f)
-	return f
-}
-
-func (f *FavoriteButton) Tapped(e *fyne.PointEvent) {
-	f.IsFavorited = !f.IsFavorited
-	f.Button.Tapped(e)
-	f.Refresh()
-}
-
-func (f *FavoriteButton) Refresh() {
-	if f.IsFavorited {
-		f.Icon = theme.FavoriteIcon
-	} else {
-		f.Icon = theme.NotFavoriteIcon
-	}
-	f.Button.Refresh()
-}
-
-type AlbumFilterButton struct {
-	widget.Button
-
-	filter *backend.AlbumFilter
-
-	dialogConstructor func(*backend.AlbumFilter) fyne.CanvasObject
-	dialog            *widget.PopUp
-}
-
-func NewAlbumFilterButton(filter *backend.AlbumFilter, dialogConstructor func(*backend.AlbumFilter) fyne.CanvasObject) *AlbumFilterButton {
-	a := &AlbumFilterButton{
-		filter:            filter,
-		dialogConstructor: dialogConstructor,
-		Button: widget.Button{
-			Icon: theme.AlbumIcon,
-		},
-	}
-	a.OnTapped = a.showFilterDialog
-	a.ExtendBaseWidget(a)
-	return a
-}
-
-func (a *AlbumFilterButton) showFilterDialog() {
-	if a.dialog == nil {
-		a.dialog = widget.NewModalPopUp(a.dialogConstructor(a.filter), fyne.CurrentApp().Driver().CanvasForObject(a))
-	}
-	a.dialog.Show()
-}

ui/widgets/favoritebutton.go

@@ -0,0 +1,41 @@
+package widgets
+
+import (
+	"github.com/dweymouth/supersonic/res"
+	"github.com/dweymouth/supersonic/ui/theme"
+
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/widget"
+)
+
+type FavoriteButton struct {
+	widget.Button
+
+	IsFavorited bool
+}
+
+func NewFavoriteButton(onTapped func()) *FavoriteButton {
+	f := &FavoriteButton{
+		Button: widget.Button{
+			OnTapped: onTapped,
+			Icon:     res.ResHeartOutlineInvertPng,
+		},
+	}
+	f.ExtendBaseWidget(f)
+	return f
+}
+
+func (f *FavoriteButton) Tapped(e *fyne.PointEvent) {
+	f.IsFavorited = !f.IsFavorited
+	f.Button.Tapped(e)
+	f.Refresh()
+}
+
+func (f *FavoriteButton) Refresh() {
+	if f.IsFavorited {
+		f.Icon = theme.FavoriteIcon
+	} else {
+		f.Icon = theme.NotFavoriteIcon
+	}
+	f.Button.Refresh()
+}

ui/widgets/textrestrictedentry.go

@@ -13,19 +13,21 @@ import (
 type TextRestrictedEntry struct {
 	widget.Entry
 
-	charAllowed func(string, rune) bool
+	charAllowed CharAllowedFunc
 
 	minWidth float32
 }
 
-func NewTextRestrictedEntry(charAllowed func(curText string, r rune) bool) *TextRestrictedEntry {
+type CharAllowedFunc func(curText string, selectedText string, r rune) bool
+
+func NewTextRestrictedEntry(charAllowed CharAllowedFunc) *TextRestrictedEntry {
 	e := &TextRestrictedEntry{charAllowed: charAllowed}
 	e.ExtendBaseWidget(e)
 	return e
 }
 
 func (e *TextRestrictedEntry) TypedRune(r rune) {
-	if e.charAllowed == nil || e.charAllowed(e.Text, r) {
+	if e.charAllowed == nil || e.charAllowed(e.Text, e.SelectedText(), r) {
 		e.Entry.TypedRune(r)
 	}
 }