Add illustrations for empty/loading package list states

src/UniGetUI.Avalonia/UniGetUI.Avalonia.csproj

@@ -189,6 +189,9 @@
         <AvaloniaResource Include="..\SharedAssets\Assets\Images\icon.png" Link="Assets\icon.png" />
         <AvaloniaResource Include="..\SharedAssets\Assets\Images\icon_unsquare.png" Link="Assets\icon_unsquare.png" />
         <AvaloniaResource Include="..\SharedAssets\Assets\Images\package_color.png" Link="Assets\package_color.png" />
+        <AvaloniaResource Include="Assets\Images\jetpack_Maurice2-blue.png" />
+        <AvaloniaResource Include="Assets\Images\relax.png" />
+        <AvaloniaResource Include="Assets\Images\maurice_penseur.png" />
         <AvaloniaResource Include="..\SharedAssets\Assets\SplashScreen.png" Link="Assets\SplashScreen.png" />
         <AvaloniaResource Include="..\SharedAssets\Assets\SplashScreen.theme-dark.png" Link="Assets\SplashScreen.theme-dark.png" />
         <!-- Tray status icon variants: status colour encoded by the corner dot; light/dark tone per taskbar theme. -->

src/UniGetUI.Avalonia/ViewModels/SoftwarePages/PackagesPageViewModel.cs

@@ -8,6 +8,8 @@
 using Avalonia.Controls;
 using Avalonia.Layout;
 using Avalonia.Media;
+using Avalonia.Media.Imaging;
+using Avalonia.Platform;
 using Avalonia.Threading;
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
@@ -55,6 +57,7 @@
     public string IconName;   // SVG filename without extension, e.g. "search"
 
     public string NoPackages_BackgroundText;
+    public string NoPackages_ImagePath;   // optional avares:// illustration shown when no packages are present
     public string NoPackages_SourcesText;
     public string NoPackages_SubtitleText_Base;
     public string MainSubtitle_StillLoading;
@@ -145,6 +148,9 @@
     [ObservableProperty] private string _subtitle = "";
     [ObservableProperty] private bool _isLoading;
     [ObservableProperty] private bool _backgroundTextVisible;
+    [ObservableProperty] private bool _loadingImageVisible;
+    [ObservableProperty] private Bitmap? _noPackagesImage;
+    [ObservableProperty] private bool _noPackagesImageVisible;
     [ObservableProperty] private string _backgroundText = "";
     [ObservableProperty] private bool _sourcesPlaceholderVisible = true;
     [ObservableProperty] private bool _sourcesTreeVisible;
@@ -194,7 +200,7 @@
     // ─── Events (replace abstract methods) ───────────────────────────────────
     public event Action<ReloadReason>? PackagesLoaded;
     public event Action? PackageCountUpdated;
     public event Action<IPackage>? ShowingContextMenu;
     public event Action? FocusListRequested;
 
     // ─── Events: view-side dialog/navigation requests ─────────────────────────
@@ -216,6 +222,11 @@
         _showLastCheckedTime = data.ShowLastLoadTime;
         NoPackagesText = data.NoPackages_BackgroundText;
         NoMatchesText = data.NoMatches_BackgroundText;
+        if (!string.IsNullOrEmpty(data.NoPackages_ImagePath))
+        {
+            using var stream = AssetLoader.Open(new Uri(data.NoPackages_ImagePath));
+            NoPackagesImage = new Bitmap(stream);
+        }
         _noPackagesSubtitleBase = data.NoPackages_SubtitleText_Base;
         _stillLoadingSubtitle = data.MainSubtitle_StillLoading;
         SimilarSearchEnabled = !data.DisableSuggestedResultsRadio;
@@ -544,15 +555,22 @@
         {
             BackgroundText = _stillLoadingSubtitle;
             BackgroundTextVisible = true;
+            LoadingImageVisible = true;
+            NoPackagesImageVisible = false;
         }
         else if (FilteredPackages.Count == 0)
         {
-            BackgroundText = string.IsNullOrWhiteSpace(query) ? NoPackagesText : NoMatchesText;
-            BackgroundTextVisible = !MegaQueryBoxEnabled || !string.IsNullOrWhiteSpace(query);
+            bool noQuery = string.IsNullOrWhiteSpace(query);
+            BackgroundText = noQuery ? NoPackagesText : NoMatchesText;
+            BackgroundTextVisible = !MegaQueryBoxEnabled || !noQuery;
+            LoadingImageVisible = false;
+            NoPackagesImageVisible = noQuery && BackgroundTextVisible && NoPackagesImage is not null;
         }
         else
         {
             BackgroundTextVisible = false;
+            LoadingImageVisible = false;
+            NoPackagesImageVisible = false;
         }
     }
 

src/UniGetUI.Avalonia/Views/SoftwarePages/AbstractPackagesPage.axaml

@@ -795,17 +795,30 @@
                             </ItemsControl>
                         </ScrollViewer>
 
-                        <!-- Background text (no packages / no matches) -->
-                        <TextBlock x:Name="BackgroundText"
-                                   VerticalAlignment="Center"
+                        <!-- Background text (no packages / no matches), with a loading illustration above it -->
+                        <StackPanel VerticalAlignment="Center"
+                                    HorizontalAlignment="Center"
+                                    Spacing="16">
+                            <Image Source="avares://UniGetUI/Assets/Images/jetpack_Maurice2-blue.png"
+                                   Width="360"
+                                   Stretch="Uniform"
                                    HorizontalAlignment="Center"
-                                   FontSize="30"
-                                   FontWeight="Bold"
-                                   Opacity="0.5"
-                                   TextAlignment="Center"
-                                   TextWrapping="Wrap"
-                                   Text="{Binding BackgroundText}"
-                                   IsVisible="{Binding BackgroundTextVisible}"/>
+                                   IsVisible="{Binding LoadingImageVisible}"/>
+                            <Image Source="{Binding NoPackagesImage}"
+                                   Width="260"
+                                   Stretch="Uniform"
+                                   HorizontalAlignment="Center"
+                                   IsVisible="{Binding NoPackagesImageVisible}"/>
+                            <TextBlock x:Name="BackgroundText"
+                                       HorizontalAlignment="Center"
+                                       FontSize="30"
+                                       FontWeight="Bold"
+                                       Opacity="0.5"
+                                       TextAlignment="Center"
+                                       TextWrapping="Wrap"
+                                       Text="{Binding BackgroundText}"
+                                       IsVisible="{Binding BackgroundTextVisible}"/>
+                        </StackPanel>
                     </Panel>
                 </Grid>
                 </Border>

src/UniGetUI.Avalonia/Views/SoftwarePages/InstalledPackagesPage.cs

@@ -50,6 +50,7 @@ public InstalledPackagesPage() : base(new PackagesPageData
         DisableFilterOnQueryChange = false,
         DisableReload = false,
         NoPackages_BackgroundText = CoreTools.Translate("No packages were found"),
+        NoPackages_ImagePath = "avares://UniGetUI/Assets/Images/maurice_penseur.png",
         NoPackages_SourcesText = CoreTools.Translate("No packages were found"),
         NoPackages_SubtitleText_Base = CoreTools.Translate("No packages were found"),
         MainSubtitle_StillLoading = CoreTools.Translate("Loading packages"),

src/UniGetUI.Avalonia/Views/SoftwarePages/PackageBundlesPage.cs

@@ -62,6 +62,7 @@ public PackageBundlesPage() : base(new PackagesPageData
         DisableFilterOnQueryChange = false,
         DisableReload = true,
         NoPackages_BackgroundText = CoreTools.Translate("Add packages or open an existing package bundle"),
+        NoPackages_ImagePath = "avares://UniGetUI/Assets/Images/maurice_penseur.png",
         NoPackages_SourcesText = CoreTools.Translate("Add packages to start"),
         NoPackages_SubtitleText_Base = CoreTools.Translate("The current bundle has no packages. Add some packages to get started"),
         MainSubtitle_StillLoading = CoreTools.Translate("Loading packages"),

src/UniGetUI.Avalonia/Views/SoftwarePages/SoftwareUpdatesPage.cs

@@ -43,6 +43,7 @@ public SoftwareUpdatesPage() : base(new PackagesPageData
         DisableFilterOnQueryChange = false,
         DisableReload = false,
         NoPackages_BackgroundText = CoreTools.Translate("Hooray! No updates were found."),
+        NoPackages_ImagePath = "avares://UniGetUI/Assets/Images/relax.png",
         NoPackages_SourcesText = CoreTools.Translate("Everything is up to date"),
         NoPackages_SubtitleText_Base = CoreTools.Translate("Everything is up to date"),
         MainSubtitle_StillLoading = CoreTools.Translate("Loading packages"),