Initial TaskbarLauncher release baseline
This commit is contained in:
Ray Berezowski
36
Views/LauncherPopup.xaml
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36
Views/LauncherPopup.xaml
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<Window x:Class="TaskbarLauncher.Views.LauncherPopup"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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Title="Taskbar Launcher"
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Width="360" SizeToContent="Height"
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MaxHeight="720"
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WindowStyle="None"
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ResizeMode="NoResize"
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ShowInTaskbar="False"
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Topmost="True"
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Background="{DynamicResource AppWindowBrush}"
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Foreground="{DynamicResource AppTextBrush}">
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<Border BorderThickness="1"
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BorderBrush="{DynamicResource AppBorderBrush}"
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Background="{DynamicResource AppSurfaceBrush}"
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Padding="10">
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<DockPanel>
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<StackPanel DockPanel.Dock="Top" Orientation="Horizontal" Margin="0,0,0,8">
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<TextBlock Text="Taskbar Launcher" FontWeight="SemiBold" VerticalAlignment="Center"/>
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<Button Content="Settings" HorizontalAlignment="Right" Margin="12,0,0,0" Padding="8,4"
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Click="Settings_Click"/>
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</StackPanel>
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<TextBox x:Name="SearchBox"
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DockPanel.Dock="Top"
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Margin="0,0,0,8"
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Padding="8,5"
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TextChanged="SearchBox_TextChanged"
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PreviewKeyDown="SearchBox_PreviewKeyDown"/>
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<ScrollViewer x:Name="ItemsScrollViewer"
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VerticalScrollBarVisibility="Auto"
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HorizontalScrollBarVisibility="Disabled">
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<StackPanel x:Name="ItemsPanel"/>
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</ScrollViewer>
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</DockPanel>
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</Border>
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</Window>
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331
Views/LauncherPopup.xaml.cs
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331
Views/LauncherPopup.xaml.cs
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Threading;
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using TaskbarLauncher.Models;
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using TaskbarLauncher.Services;
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namespace TaskbarLauncher.Views;
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public partial class LauncherPopup : Window
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{
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private const double ScreenMargin = 12;
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private const double HeaderAndChromeHeight = 118;
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private bool isRepositionQueued;
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private readonly List<System.Windows.Controls.Button> visibleLaunchButtons = [];
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private readonly LauncherConfig config;
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private readonly Action<LauncherItem> launchItem;
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private readonly Action showSettings;
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public LauncherPopup(LauncherConfig config, Action<LauncherItem> launchItem, Action showSettings)
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{
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InitializeComponent();
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this.config = config;
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this.launchItem = launchItem;
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this.showSettings = showSettings;
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BuildItems();
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SizeChanged += (_, _) => QueueReposition();
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}
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public void ShowNearTaskbar()
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{
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WindowStartupLocation = WindowStartupLocation.Manual;
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ApplyScreenBounds();
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Show();
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UpdateLayout();
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RepositionAboveTaskbar();
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Activate();
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SearchBox.Focus();
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}
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private void QueueReposition()
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{
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if (isRepositionQueued)
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{
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return;
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}
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isRepositionQueued = true;
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Dispatcher.BeginInvoke(() =>
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{
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isRepositionQueued = false;
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ApplyScreenBounds();
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RepositionAboveTaskbar();
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}, DispatcherPriority.Loaded);
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}
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private void ApplyScreenBounds()
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{
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Rect workArea = SystemParameters.WorkArea;
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double maxPopupHeight = Math.Max(240, workArea.Height - (ScreenMargin * 2));
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MaxHeight = maxPopupHeight;
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ItemsScrollViewer.MaxHeight = Math.Max(160, maxPopupHeight - HeaderAndChromeHeight);
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Left = Math.Max(workArea.Left + ScreenMargin, workArea.Right - Width - ScreenMargin);
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}
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private void RepositionAboveTaskbar()
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{
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Rect workArea = SystemParameters.WorkArea;
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double height = ActualHeight > 0 ? ActualHeight : DesiredSize.Height;
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double clampedHeight = Math.Min(height, MaxHeight);
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if (height > MaxHeight && !double.IsNaN(MaxHeight) && MaxHeight > 0)
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{
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Height = MaxHeight;
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clampedHeight = MaxHeight;
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}
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else if (Height > 0 && height < MaxHeight)
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{
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ClearValue(HeightProperty);
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}
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Top = Math.Max(workArea.Top + ScreenMargin, workArea.Bottom - clampedHeight - ScreenMargin);
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}
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private void BuildItems()
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{
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ItemsPanel.Children.Clear();
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visibleLaunchButtons.Clear();
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bool expandMenusByDefault = config.Items.Count <= 2;
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foreach (LauncherItem item in config.Items)
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{
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ItemsPanel.Children.Add(CreateItemControl(item, 0, expandMenusByDefault));
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}
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}
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private FrameworkElement CreateItemControl(LauncherItem item, int depth, bool expandMenusByDefault)
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{
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if (item.Type == LauncherItemType.Menu)
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{
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Expander expander = new()
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{
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Header = item.Title,
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IsExpanded = expandMenusByDefault,
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Margin = new Thickness(depth * 12, 4, 0, 4)
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};
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StackPanel children = new();
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foreach (LauncherItem child in item.Children)
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{
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children.Children.Add(CreateItemControl(child, depth + 1, expandMenusByDefault));
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}
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expander.Content = children;
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return expander;
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}
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System.Windows.Controls.Button button = new()
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{
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Content = CreateButtonContent(item),
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Margin = new Thickness(depth * 12, 2, 0, 2),
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MinHeight = DisplayModeMetrics.GetRowHeight(GetEffectiveDisplayMode(item)),
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Tag = item
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};
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button.Click += (_, _) => launchItem(item);
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button.KeyDown += (_, e) =>
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{
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if (e.Key == Key.Enter)
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{
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launchItem(item);
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e.Handled = true;
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}
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else if (e.Key == Key.Escape)
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{
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Close();
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e.Handled = true;
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}
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};
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visibleLaunchButtons.Add(button);
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return button;
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}
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private void SearchBox_TextChanged(object sender, TextChangedEventArgs e)
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{
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string query = SearchBox.Text.Trim();
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if (string.IsNullOrWhiteSpace(query))
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{
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BuildItems();
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}
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else
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{
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BuildSearchResults(query);
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}
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QueueReposition();
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}
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private void BuildSearchResults(string query)
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{
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ItemsPanel.Children.Clear();
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visibleLaunchButtons.Clear();
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List<LauncherItem> matches = [];
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CollectMatches(config.Items, query, matches);
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if (matches.Count == 0)
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{
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ItemsPanel.Children.Add(new TextBlock
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{
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Text = "No matches",
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Foreground = (System.Windows.Media.Brush)System.Windows.Application.Current.Resources["AppMutedTextBrush"],
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Margin = new Thickness(4, 8, 4, 8)
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});
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return;
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}
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foreach (LauncherItem item in matches)
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{
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ItemsPanel.Children.Add(CreateItemControl(item, 0, expandMenusByDefault: false));
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}
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}
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private static void CollectMatches(IEnumerable<LauncherItem> items, string query, List<LauncherItem> matches)
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{
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foreach (LauncherItem item in items)
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{
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bool isLaunchable = item.Type != LauncherItemType.Menu;
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if (isLaunchable && Matches(item, query))
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{
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matches.Add(item);
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}
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if (item.Children.Count > 0)
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{
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CollectMatches(item.Children, query, matches);
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}
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}
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}
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private static bool Matches(LauncherItem item, string query)
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{
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return item.Title.Contains(query, StringComparison.OrdinalIgnoreCase) ||
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item.Target.Contains(query, StringComparison.OrdinalIgnoreCase) ||
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(item.Arguments?.Contains(query, StringComparison.OrdinalIgnoreCase) ?? false);
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}
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private void SearchBox_PreviewKeyDown(object sender, System.Windows.Input.KeyEventArgs e)
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{
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if (e.Key == Key.Escape)
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{
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Close();
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e.Handled = true;
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return;
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}
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if (e.Key == Key.Enter && visibleLaunchButtons.FirstOrDefault()?.Tag is LauncherItem item)
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{
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launchItem(item);
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e.Handled = true;
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return;
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}
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if (e.Key == Key.Down && visibleLaunchButtons.FirstOrDefault() is System.Windows.Controls.Button firstButton)
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{
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Keyboard.ClearFocus();
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firstButton.Focus();
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e.Handled = true;
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}
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}
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protected override void OnKeyDown(System.Windows.Input.KeyEventArgs e)
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{
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if (e.Key == Key.Escape)
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{
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Close();
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e.Handled = true;
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return;
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}
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base.OnKeyDown(e);
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}
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private object CreateButtonContent(LauncherItem item)
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{
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LauncherDisplayMode displayMode = GetEffectiveDisplayMode(item);
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if (displayMode == LauncherDisplayMode.LargeIconOnly)
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{
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ImageSource? iconOnly = IconService.GetIcon(item, large: true);
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if (iconOnly is not null)
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{
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double iconOnlySize = DisplayModeMetrics.GetIconSize(displayMode);
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return new System.Windows.Controls.Image
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{
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Source = iconOnly,
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Width = iconOnlySize,
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Height = iconOnlySize,
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HorizontalAlignment = System.Windows.HorizontalAlignment.Center
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};
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}
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return new TextBlock
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{
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Text = GetLabel(item),
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FontSize = 20,
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HorizontalAlignment = System.Windows.HorizontalAlignment.Center
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};
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}
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StackPanel panel = new() { Orientation = System.Windows.Controls.Orientation.Horizontal };
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bool large = displayMode is LauncherDisplayMode.LargeIconOnly or LauncherDisplayMode.LargeIconWithText;
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ImageSource? icon = IconService.GetIcon(item, large);
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if (icon is not null)
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{
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double size = DisplayModeMetrics.GetIconSize(displayMode);
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panel.Children.Add(new System.Windows.Controls.Image
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{
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Source = icon,
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Width = size,
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Height = size,
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Margin = new Thickness(0, 0, 10, 0),
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VerticalAlignment = VerticalAlignment.Center
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});
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}
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else
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{
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panel.Children.Add(new TextBlock
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{
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Text = GetLabel(item),
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FontSize = displayMode == LauncherDisplayMode.SmallIconWithText ? 12 : 14,
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Width = displayMode == LauncherDisplayMode.SmallIconWithText ? 64 : 74,
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VerticalAlignment = VerticalAlignment.Center
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});
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}
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panel.Children.Add(new TextBlock
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{
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Text = item.Title,
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FontSize = displayMode == LauncherDisplayMode.CompactList ? 12 : 14,
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VerticalAlignment = VerticalAlignment.Center,
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TextTrimming = TextTrimming.CharacterEllipsis
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});
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return panel;
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}
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private LauncherDisplayMode GetEffectiveDisplayMode(LauncherItem item)
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{
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return item.DisplayMode;
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}
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private static string GetLabel(LauncherItem item)
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{
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return item.Type switch
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{
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LauncherItemType.Folder => "[Folder]",
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LauncherItemType.Website => "[Web]",
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LauncherItemType.File => "[File]",
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_ => "[App]"
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};
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}
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private void Settings_Click(object sender, RoutedEventArgs e)
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{
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showSettings();
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}
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}
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