add ctrl/cmd+F shortcut to focus search entry

ui/browsing/albumspage.go

@@ -132,6 +132,12 @@ func (a *AlbumsPage) Route() Route {
 	return AlbumsRoute(backend.AlbumSortOrder(a.sortOrder.Selected))
 }
 
+var _ Searchable = (*AlbumsPage)(nil)
+
+func (a *AlbumsPage) SearchWidget() fyne.Focusable {
+	return a.searcher.Entry
+}
+
 func (a *AlbumsPage) SetPlayAlbumCallback(cb func(string, int)) {
 	a.OnPlayAlbum = cb
 }

ui/browsing/browsingpane.go

@@ -26,6 +26,11 @@ type SavedPage interface {
 	Restore() Page
 }
 
+// Searchable pages should implement this interface so their search bar can be focused by keyboard shortcut.
+type Searchable interface {
+	SearchWidget() fyne.Focusable
+}
+
 type CanPlayAlbum interface {
 	SetPlayAlbumCallback(func(albumID string, startingTrack int))
 }
@@ -81,6 +86,13 @@ func (b *BrowsingPane) AddNavigationButton(iconRes fyne.Resource, action func())
 	b.navBtnsContainer.Add(widget.NewButtonWithIcon("", iconRes, action))
 }
 
+func (b *BrowsingPane) GetSearchBarIfAny() fyne.Focusable {
+	if s, ok := b.curPage.(Searchable); ok {
+		return s.SearchWidget()
+	}
+	return nil
+}
+
 func (b *BrowsingPane) doSetPage(p Page) bool {
 	if b.curPage != nil && b.curPage.Route() == p.Route() {
 		return false

ui/browsing/genrepage.go

@@ -119,6 +119,12 @@ func (g *GenrePage) Save() SavedPage {
 	}
 }
 
+var _ Searchable = (*AlbumsPage)(nil)
+
+func (g *GenrePage) SearchWidget() fyne.Focusable {
+	return g.searcher.Entry
+}
+
 func (a *GenrePage) onPlayAlbum(albumID string) {
 	if a.OnPlayAlbum != nil {
 		a.OnPlayAlbum(albumID, 0)

ui/keymodifiers_darwin.go

@@ -0,0 +1,10 @@
+//go:build darwin
+
+package ui
+
+import "fyne.io/fyne/v2"
+
+var (
+	ControlModifier = fyne.KeyModifierSuper
+	AltModifier     = fyne.KeyModifierSuper
+)

ui/keymodifiers_default.go

@@ -0,0 +1,10 @@
+//go:build !darwin
+
+package ui
+
+import "fyne.io/fyne/v2"
+
+var (
+	ControlModifier = fyne.KeyModifierControl
+	AltModifier     = fyne.KeyModifierAlt
+)

ui/mainwindow.go

@@ -1,7 +1,6 @@
 package ui
 
 import (
-	"runtime"
 	"supersonic/backend"
 	"supersonic/res"
 	"supersonic/ui/browsing"
@@ -15,10 +14,9 @@ import (
 )
 
 var (
-	ShortcutBack          = desktop.CustomShortcut{KeyName: fyne.KeyLeft, Modifier: fyne.KeyModifierAlt}
-	ShortcutBackDarwin    = desktop.CustomShortcut{KeyName: fyne.KeyLeft, Modifier: fyne.KeyModifierSuper}
-	ShortcutForward       = desktop.CustomShortcut{KeyName: fyne.KeyRight, Modifier: fyne.KeyModifierAlt}
-	ShortcutForwardDarwin = desktop.CustomShortcut{KeyName: fyne.KeyRight, Modifier: fyne.KeyModifierSuper}
+	ShortcutBack    = desktop.CustomShortcut{KeyName: fyne.KeyLeft, Modifier: AltModifier}
+	ShortcutForward = desktop.CustomShortcut{KeyName: fyne.KeyRight, Modifier: AltModifier}
+	ShortcutSearch  = desktop.CustomShortcut{KeyName: fyne.KeyF, Modifier: ControlModifier}
 )
 
 type MainWindow struct {
@@ -88,18 +86,17 @@ func (m *MainWindow) addNavigationButtons() {
 }
 
 func (m *MainWindow) addShortcuts() {
-	back := &ShortcutBack
-	fwd := &ShortcutForward
-	if runtime.GOOS == "darwin" {
-		back = &ShortcutBackDarwin
-		fwd = &ShortcutForwardDarwin
-	}
-	m.Canvas().AddShortcut(back, func(_ fyne.Shortcut) {
+	m.Canvas().AddShortcut(&ShortcutBack, func(_ fyne.Shortcut) {
 		m.BrowsingPane.GoBack()
 	})
-	m.Canvas().AddShortcut(fwd, func(_ fyne.Shortcut) {
+	m.Canvas().AddShortcut(&ShortcutForward, func(_ fyne.Shortcut) {
 		m.BrowsingPane.GoForward()
 	})
+	m.Canvas().AddShortcut(&ShortcutSearch, func(_ fyne.Shortcut) {
+		if s := m.BrowsingPane.GetSearchBarIfAny(); s != nil {
+			m.Window.Canvas().Focus(s)
+		}
+	})
 
 	m.Canvas().SetOnTypedKey(func(e *fyne.KeyEvent) {
 		if e.Name == fyne.KeySpace {