Move package-list action bar items to overflow flyout

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

@@ -27,6 +27,8 @@
 
 namespace UniGetUI.Avalonia.ViewModels.Pages;
 
+public sealed record ToolbarEntry(Control Control, string IconName, string Label, Action? Invoke);
+
 public enum SearchMode { Both, Name, Id, Exact, Similar }
 
 public enum PackageViewMode { List = 0, Grid = 1, Icons = 2 }
@@ -195,7 +197,7 @@ partial void OnIsFilterPaneOpenChanged(bool value)
     // ─── Collections ──────────────────────────────────────────────────────────
     public ObservablePackageCollection FilteredPackages { get; } = new();
     public AvaloniaList<SourceTreeNode> SourceNodes { get; } = new();
-    public AvaloniaList<object> ToolBarItems { get; } = new();
+    public List<ToolbarEntry> ToolbarEntries { get; } = new();
 
     // Labels of toolbar buttons that can be hidden to collapse the menu bar to icon-only
     // on narrow windows (buttons created with showLabel: false are never tracked here).
@@ -345,7 +347,7 @@ public Button AddToolbarButton(string svgName, string label, Action onClick, boo
         ToolTip.SetTip(btn, label);
         AutomationProperties.SetName(btn, label);
         btn.Click += (_, _) => onClick();
-        ToolBarItems.Add(btn);
+        ToolbarEntries.Add(new ToolbarEntry(btn, svgName, label, onClick));
         return btn;
     }
 
@@ -379,7 +381,7 @@ public void AddToolbarSeparator()
                          ?? new SolidColorBrush(Color.FromArgb(80, 128, 128, 128)),
         };
         AutomationProperties.SetAccessibilityView(sep, AccessibilityView.Raw);
-        ToolBarItems.Add(sep);
+        ToolbarEntries.Add(new ToolbarEntry(sep, "", "", null));
     }
 
     public async Task ShowInfoDialog(Window owner, string title, string message)

src/UniGetUI.Avalonia/Views/Controls/ToolbarOverflowPanel.cs

@@ -0,0 +1,227 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Layout;
+using Avalonia.VisualTree;
+
+namespace UniGetUI.Avalonia.Views.Controls;
+
+public sealed class ToolbarOverflowPanel : Panel
+{
+    public static readonly StyledProperty<double> SpacingProperty =
+        AvaloniaProperty.Register<ToolbarOverflowPanel, double>(nameof(Spacing), 4.0);
+
+    static ToolbarOverflowPanel()
+    {
+        AffectsMeasure<ToolbarOverflowPanel>(SpacingProperty);
+    }
+
+    private readonly List<Control> _items = new();
+    private readonly List<Control> _overflowedItems = new();
+    private readonly Dictionary<Control, double> _naturalWidths = new();
+    private double _expandedRowWidth = double.NaN;
+    private bool _labelsCollapsed;
+
+    public double Spacing
+    {
+        get => GetValue(SpacingProperty);
+        set => SetValue(SpacingProperty, value);
+    }
+
+    public Control? OverflowControl { get; set; }
+
+    public Action<bool>? LabelCollapseRequested { get; set; }
+
+    public IReadOnlyList<Control> OverflowedItems => _overflowedItems;
+
+    protected override Size MeasureOverride(Size availableSize)
+    {
+        CollectItems();
+
+        double height = MeasureChildren(availableSize.Height);
+
+        if (UpdateLabelState(availableSize.Width))
+            height = Math.Max(height, MeasureChildren(availableSize.Height));
+
+        ApplyOverflow(availableSize.Width);
+        height = Math.Max(height, MeasureChildren(availableSize.Height));
+
+        double used = UsedWidth();
+        return new Size(double.IsInfinity(availableSize.Width) ? used : Math.Min(used, availableSize.Width), height);
+    }
+
+    protected override Size ArrangeOverride(Size finalSize)
+    {
+        CollectItems();
+
+        double x = 0;
+        foreach (var item in _items)
+        {
+            if (!item.IsVisible)
+            {
+                item.Arrange(new Rect(x, 0, 0, 0));
+                continue;
+            }
+
+            double itemWidth = NaturalWidthOf(item);
+            item.Arrange(new Rect(x, 0, itemWidth, finalSize.Height));
+            x += itemWidth + Spacing;
+        }
+
+        if (OverflowControl is { } overflow)
+        {
+            double overflowWidth = overflow.IsVisible ? NaturalWidthOf(overflow) : 0;
+            overflow.Arrange(new Rect(x, 0, overflowWidth, overflowWidth > 0 ? finalSize.Height : 0));
+        }
+
+        return finalSize;
+    }
+
+    private void CollectItems()
+    {
+        _items.Clear();
+        foreach (var child in Children)
+        {
+            if (ReferenceEquals(child, OverflowControl)) continue;
+            _items.Add(child);
+        }
+    }
+
+    private double MeasureChildren(double availableHeight)
+    {
+        double height = 0;
+
+        foreach (var item in _items)
+        {
+            MeasureNaturalWidth(item, availableHeight);
+            height = Math.Max(height, item.DesiredSize.Height);
+        }
+
+        if (OverflowControl is { } overflow)
+        {
+            MeasureNaturalWidth(overflow, availableHeight);
+            height = Math.Max(height, overflow.DesiredSize.Height);
+        }
+
+        return height;
+    }
+
+    private void MeasureNaturalWidth(Control control, double availableHeight)
+    {
+        if (!control.IsVisible) return;
+
+        control.Measure(new Size(double.PositiveInfinity, availableHeight));
+        _naturalWidths[control] = control.DesiredSize.Width;
+    }
+
+    private double NaturalWidthOf(Control control)
+        => _naturalWidths.GetValueOrDefault(control);
+
+    private double RowWidth()
+    {
+        double total = 0;
+        for (int i = 0; i < _items.Count; i++)
+        {
+            if (i > 0) total += Spacing;
+            total += NaturalWidthOf(_items[i]);
+        }
+        return total;
+    }
+
+    private double UsedWidth()
+    {
+        double total = 0;
+        foreach (var item in _items)
+        {
+            if (!item.IsVisible) continue;
+            if (total > 0) total += Spacing;
+            total += NaturalWidthOf(item);
+        }
+
+        if (OverflowControl is { IsVisible: true } overflow)
+        {
+            if (total > 0) total += Spacing;
+            total += NaturalWidthOf(overflow);
+        }
+
+        return total;
+    }
+
+    private bool UpdateLabelState(double availableWidth)
+    {
+        if (double.IsInfinity(availableWidth) || availableWidth <= 1 || LabelCollapseRequested is null) return false;
+
+        double rowWidth = RowWidth();
+
+        if (!_labelsCollapsed)
+        {
+            _expandedRowWidth = rowWidth;
+            if (rowWidth <= availableWidth + 0.5) return false;
+            ApplyLabelState(true);
+            return true;
+        }
+
+        if (double.IsNaN(_expandedRowWidth) || _expandedRowWidth > availableWidth - 0.5) return false;
+        ApplyLabelState(false);
+        return true;
+    }
+
+    private void ApplyLabelState(bool collapsed)
+    {
+        _labelsCollapsed = collapsed;
+        LabelCollapseRequested?.Invoke(collapsed);
+
+        _overflowedItems.Clear();
+        foreach (var item in _items)
+        {
+            item.IsVisible = true;
+            _naturalWidths.Remove(item);
+            InvalidateMeasureTree(item);
+        }
+    }
+
+    private static void InvalidateMeasureTree(Control control)
+    {
+        control.InvalidateMeasure();
+        foreach (var descendant in control.GetVisualDescendants())
+        {
+            if (descendant is Layoutable layoutable) layoutable.InvalidateMeasure();
+        }
+    }
+
+    private void ApplyOverflow(double availableWidth)
+    {
+        _overflowedItems.Clear();
+        int shownCount = CountFittingItems(availableWidth);
+
+        for (int i = 0; i < _items.Count; i++)
+        {
+            bool shown = i < shownCount;
+            _items[i].IsVisible = shown;
+            if (!shown) _overflowedItems.Add(_items[i]);
+        }
+
+        if (OverflowControl is { } overflow)
+            overflow.IsVisible = _overflowedItems.Exists(item => item is not Separator);
+    }
+
+    private int CountFittingItems(double availableWidth)
+    {
+        if (double.IsInfinity(availableWidth) || RowWidth() <= availableWidth + 0.5) return _items.Count;
+
+        double budget = availableWidth
+                        - (OverflowControl is { } overflow ? NaturalWidthOf(overflow) + Spacing : 0);
+        double used = 0;
+        int count = 0;
+
+        foreach (var item in _items)
+        {
+            double itemWidth = NaturalWidthOf(item) + (count > 0 ? Spacing : 0);
+            if (used + itemWidth > budget) break;
+            used += itemWidth;
+            count++;
+        }
+
+        while (count > 0 && _items[count - 1] is Separator) count--;
+        return count;
+    }
+}

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

@@ -209,16 +209,20 @@
             </StackPanel>
 
             <!-- Toolbar (AppBarButtons added by subclass) -->
-            <ItemsControl x:Name="ToolBar"
-                          Grid.Column="2"
-                          HorizontalAlignment="Left"
-                          ItemsSource="{Binding ToolBarItems}">
-                <ItemsControl.ItemsPanel>
-                    <ItemsPanelTemplate>
-                        <StackPanel Orientation="Horizontal" Spacing="4"/>
-                    </ItemsPanelTemplate>
-                </ItemsControl.ItemsPanel>
-            </ItemsControl>
+            <controls:ToolbarOverflowPanel x:Name="ToolBar"
+                                           Grid.Column="2"
+                                           Spacing="4"
+                                           ClipToBounds="True">
+                <Button x:Name="ToolbarOverflowButton"
+                        Width="40" Height="40"
+                        Padding="0"
+                        CornerRadius="4"
+                        automation:AutomationProperties.Name="{t:Translate More options}">
+                    <TextBlock Text="···" FontSize="20"
+                               HorizontalAlignment="Center" VerticalAlignment="Center"
+                               Margin="0,-4,0,0"/>
+                </Button>
+            </controls:ToolbarOverflowPanel>
 
         </Grid>
 

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

@@ -41,6 +41,7 @@
     private double? _overlayRestingOffsetX;
     private static readonly SplineEasing FluentEntranceEasing = new(0.1, 0.9, 0.2, 1.0);
     private static readonly TimeSpan FilterAnimationDuration = TimeSpan.FromMilliseconds(300);
+    private readonly MenuFlyout _toolbarOverflowFlyout = new();
 
     protected AbstractPackagesPage(PackagesPageData data)
     {
@@ -96,6 +97,7 @@
 
         // Build the toolbar now that both AXAML controls and the ViewModel are ready
         GenerateToolBar(ViewModel);
+        InitializeToolbarOverflow();
 
         // Double-click a list row → show details
         PackageList.DoubleTapped += (_, e) =>
@@ -162,14 +164,6 @@
         FilteringPanel.GetObservable(BoundsProperty)
             .SubscribeValue(bounds => OnFilteringPanelWidthChanged(bounds.Width));
 
-        // Responsive: collapse the menu bar to icon-only on narrow windows so the
-        // toolbar buttons stay reachable instead of overflowing (mirrors WinUI).
-        this.GetObservable(BoundsProperty)
-            .SubscribeValue(bounds => UpdateToolbarLayout(bounds.Width));
-        Loaded += (_, _) => Dispatcher.UIThread.Post(
-            () => UpdateToolbarLayout(Bounds.Width),
-            DispatcherPriority.Loaded);
-
         // Grid/icons views: stretch cards to fill each row then reflow (mirrors WinUI's
         // UniformGridLayout) instead of leaving wasted space to the right.
         GridViewItems.GetObservable(BoundsProperty)
@@ -238,10 +232,43 @@
         ViewModel.IconCardWidth = Math.Floor(availableWidth / columns);
     }
 
-    private void UpdateToolbarLayout(double availableWidth)
+    private void InitializeToolbarOverflow()
     {
-        if (availableWidth <= 0) return;
-        ViewModel.SetToolbarLabelsCollapsed(availableWidth < 900);
+        ToolBar.OverflowControl = ToolbarOverflowButton;
+        ToolBar.LabelCollapseRequested = ViewModel.SetToolbarLabelsCollapsed;
+
+        ToolBar.Children.Remove(ToolbarOverflowButton);
+        foreach (var entry in ViewModel.ToolbarEntries)
+            ToolBar.Children.Add(entry.Control);
+        ToolBar.Children.Add(ToolbarOverflowButton);
+
+        _toolbarOverflowFlyout.Opening += (_, _) => PopulateToolbarOverflowFlyout();
+        ToolbarOverflowButton.Flyout = _toolbarOverflowFlyout;
+    }
+
+    private void PopulateToolbarOverflowFlyout()
+    {
+        var items = new List<object>();
+        foreach (var control in ToolBar.OverflowedItems)
+        {
+            var entry = ViewModel.ToolbarEntries.FirstOrDefault(e => ReferenceEquals(e.Control, control));
+            if (entry is null) continue;
+
+            if (entry.Invoke is not { } invoke)
+            {
+                if (items.Count > 0 && items[^1] is not Separator) items.Add(new Separator());
+                continue;
+            }
+
+            var item = new MenuItem { Header = entry.Label, Icon = LoadMenuIcon(entry.IconName) };
+            item.Click += (_, _) => invoke();
+            items.Add(item);
+        }
+
+        while (items.Count > 0 && items[^1] is Separator) items.RemoveAt(items.Count - 1);
+
+        _toolbarOverflowFlyout.Items.Clear();
+        foreach (var item in items) _toolbarOverflowFlyout.Items.Add(item);
     }
 
     // ─── UI-only: focus the package list ─────────────────────────────────────
@@ -795,7 +822,7 @@
 
         // Guard against spreadsheet formula injection (CWE-1236): package metadata is
         // external, and a value starting with one of these executes as a formula in Excel/Sheets.
         if (field.Length > 0 && "=+-@\t\r".IndexOf(field[0]) >= 0)
             field = "'" + field;
 
         if (field.IndexOfAny(['"', ',', '\n', '\r']) >= 0)

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

@@ -109,11 +109,6 @@ protected override void GenerateToolBar(PackagesPageViewModel vm)
         ViewModel.AddToolbarButton("clipboard_list", CoreTools.Translate("Manage ignored updates"),
             () => vm.RequestManageIgnoredCommand.Execute(null));
         ViewModel.AddToolbarSeparator();
-        ViewModel.AddToolbarButton("sandclock", CoreTools.Translate("Automatically update selected packages"),
-            () => MarkForAutoUpdates(vm.FilteredPackages.GetCheckedPackages()));
-        ViewModel.AddToolbarButton("clipboard_list", CoreTools.Translate("Manage automatic updates"),
-            () => vm.RequestManageAutoUpdatesCommand.Execute(null));
-        ViewModel.AddToolbarSeparator();
         ViewModel.AddToolbarButton("save_as", CoreTools.Translate("Export to CSV"),
             () => _ = ExportPackagesToCsvAsync());
     }