Fix #625: Allow customization of grid card size

backend/app.go

@@ -36,6 +36,8 @@ const (
 var (
 	ErrNoServers       = errors.New("no servers set up")
 	ErrAnotherInstance = errors.New("another instance is running")
+
+	appInstance *App
 )
 
 type App struct {
@@ -204,9 +206,14 @@ func StartupApp(appName, displayAppName, appVersion, appVersionTag, latestReleas
 
 	a.startConfigWriter(a.bgrndCtx)
 
+	appInstance = a
 	return a, nil
 }
 
+func AppInstance() *App {
+	return appInstance
+}
+
 func (a *App) IsFirstLaunch() bool {
 	return a.isFirstLaunch
 }

backend/config.go

@@ -89,6 +89,10 @@ type FavoritesPageConfig struct {
 	ShowAlbumYears   bool
 }
 
+type GridViewConfig struct {
+	CardSize float32
+}
+
 type PlaylistPageConfig struct {
 	TracklistColumns []string
 }
@@ -154,6 +158,7 @@ type Config struct {
 	ArtistPage       ArtistPageConfig
 	ArtistsPage      ArtistsPageConfig
 	FavoritesPage    FavoritesPageConfig
+	GridView         GridViewConfig
 	PlaylistPage     PlaylistPageConfig
 	PlaylistsPage    PlaylistsPageConfig
 	TracksPage       TracksPageConfig
@@ -215,6 +220,9 @@ func DefaultConfig(appVersionTag string) *Config {
 			InitialView:      "Albums",
 			ShowAlbumYears:   false,
 		},
+		GridView: GridViewConfig{
+			CardSize: 200,
+		},
 		PlaylistPage: PlaylistPageConfig{
 			TracklistColumns: []string{"Album", "Time", "Plays"},
 		},