489 lines
18 KiB
C#
489 lines
18 KiB
C#
// Copyright (c) Microsoft Corporation
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// The Microsoft Corporation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System;
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using System.ComponentModel;
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using System.Linq;
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using System.Timers;
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using System.Windows;
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using System.Windows.Automation.Peers;
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using System.Windows.Controls;
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using System.Windows.Input;
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using interop;
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using Microsoft.PowerLauncher.Telemetry;
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using Microsoft.PowerToys.Telemetry;
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using PowerLauncher.Helper;
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using PowerLauncher.Plugin;
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using PowerLauncher.Telemetry.Events;
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using PowerLauncher.ViewModel;
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using Wox.Infrastructure.UserSettings;
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using KeyEventArgs = System.Windows.Input.KeyEventArgs;
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using Log = Wox.Plugin.Logger.Log;
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using Screen = System.Windows.Forms.Screen;
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namespace PowerLauncher
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{
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public partial class MainWindow : IDisposable
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{
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private readonly PowerToysRunSettings _settings;
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private readonly MainViewModel _viewModel;
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private bool _isTextSetProgrammatically;
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private bool _deletePressed;
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private Timer _firstDeleteTimer = new Timer();
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private bool _coldStateHotkeyPressed;
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public MainWindow(PowerToysRunSettings settings, MainViewModel mainVM)
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: this()
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{
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DataContext = mainVM;
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_viewModel = mainVM;
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_settings = settings;
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InitializeComponent();
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_firstDeleteTimer.Elapsed += CheckForFirstDelete;
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_firstDeleteTimer.Interval = 1000;
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NativeEventWaiter.WaitForEventLoop(Constants.RunSendSettingsTelemetryEvent(), SendSettingsTelemetry);
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}
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private void SendSettingsTelemetry()
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{
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Log.Info("Send Run settings telemetry", this.GetType());
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var plugins = PluginManager.AllPlugins.ToDictionary(x => x.Metadata.Name, x => new PluginModel()
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{
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Disabled = x.Metadata.Disabled,
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ActionKeyword = x.Metadata.ActionKeyword,
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IsGlobal = x.Metadata.IsGlobal,
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});
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var telemetryEvent = new RunPluginsSettingsEvent(plugins);
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PowerToysTelemetry.Log.WriteEvent(telemetryEvent);
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}
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public void GetPluginCheatSheet()
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{
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SearchBox.CheatSheetControl.ItemsSource = PluginManager.AllPlugins;
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}
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private void CheckForFirstDelete(object sender, ElapsedEventArgs e)
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{
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if (_firstDeleteTimer != null)
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{
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_firstDeleteTimer.Stop();
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if (_deletePressed)
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{
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PowerToysTelemetry.Log.WriteEvent(new LauncherFirstDeleteEvent());
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}
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}
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}
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public MainWindow()
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{
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InitializeComponent();
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}
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private void OnClosing(object sender, CancelEventArgs e)
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{
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_viewModel.Save();
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}
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private void BringProcessToForeground()
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{
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// Use SendInput hack to allow Activate to work - required to resolve focus issue https://github.com/microsoft/PowerToys/issues/4270
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WindowsInteropHelper.INPUT input = new WindowsInteropHelper.INPUT { Type = WindowsInteropHelper.INPUTTYPE.INPUTMOUSE, Data = { } };
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WindowsInteropHelper.INPUT[] inputs = new WindowsInteropHelper.INPUT[] { input };
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// Send empty mouse event. This makes this thread the last to send input, and hence allows it to pass foreground permission checks
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_ = NativeMethods.SendInput(1, inputs, WindowsInteropHelper.INPUT.Size);
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Activate();
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}
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private void OnLoaded(object sender, RoutedEventArgs e)
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{
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WindowsInteropHelper.DisableControlBox(this);
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InitializePosition();
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SearchBox.QueryTextBox.DataContext = _viewModel;
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SearchBox.QueryTextBox.PreviewKeyDown += Launcher_KeyDown;
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SearchBox.QueryTextBox.TextChanged += QueryTextBox_TextChanged;
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// Set initial language flow direction
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SearchBox_UpdateFlowDirection();
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// Register language changed event
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InputLanguageManager.Current.InputLanguageChanged += SearchBox_InputLanguageChanged;
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SearchBox.QueryTextBox.Focus();
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SearchBox.QueryTextBox.ControlledElements.Add(ListBox.SuggestionsList);
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ListBox.DataContext = _viewModel;
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ListBox.SuggestionsList.SelectionChanged += SuggestionsList_SelectionChanged;
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ListBox.SuggestionsList.PreviewMouseLeftButtonUp += SuggestionsList_PreviewMouseLeftButtonUp;
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_viewModel.PropertyChanged += ViewModel_PropertyChanged;
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GetPluginCheatSheet();
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BringProcessToForeground();
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}
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private void SuggestionsList_PreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
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{
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var result = ((FrameworkElement)e.OriginalSource).DataContext;
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if (result != null)
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{
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// This may be null if the tapped item was one of the context buttons (run as admin etc).
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if (result is ResultViewModel resultVM)
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{
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_viewModel.Results.SelectedItem = resultVM;
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_viewModel.OpenResultWithMouseCommand.Execute(null);
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}
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}
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}
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private void ViewModel_PropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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if (e.PropertyName == nameof(MainViewModel.MainWindowVisibility))
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{
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if (Visibility == System.Windows.Visibility.Visible && _viewModel.MainWindowVisibility != Visibility.Hidden)
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{
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// Not called on first launch
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// Called when window is made visible by hotkey. Not called when the window is deactivated by clicking away
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UpdatePosition();
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BringProcessToForeground();
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if (!_viewModel.LastQuerySelected)
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{
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_viewModel.LastQuerySelected = true;
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}
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}
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}
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else if (e.PropertyName == nameof(MainViewModel.SystemQueryText))
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{
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_isTextSetProgrammatically = true;
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if (_viewModel.Results != null)
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{
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SearchBox.QueryTextBox.Text = MainViewModel.GetSearchText(
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_viewModel.Results.SelectedIndex,
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_viewModel.SystemQueryText,
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_viewModel.QueryText);
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}
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}
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}
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private void OnMouseDown(object sender, MouseButtonEventArgs e)
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{
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if (e.ChangedButton == MouseButton.Left)
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{
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DragMove();
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}
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}
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private void InitializePosition()
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{
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Top = WindowTop();
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Left = WindowLeft();
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_settings.WindowTop = Top;
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_settings.WindowLeft = Left;
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}
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private void OnDeactivated(object sender, EventArgs e)
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{
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if (_settings.HideWhenDeactivated)
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{
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// (this.FindResource("OutroStoryboard") as Storyboard).Begin();
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_viewModel.Hide();
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}
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}
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private void UpdatePosition()
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{
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if (_settings.RememberLastLaunchLocation)
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{
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Left = _settings.WindowLeft;
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Top = _settings.WindowTop;
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}
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else
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{
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Top = WindowTop();
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Left = WindowLeft();
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}
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}
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private void OnLocationChanged(object sender, EventArgs e)
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{
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if (_settings.RememberLastLaunchLocation)
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{
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_settings.WindowLeft = Left;
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_settings.WindowTop = Top;
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}
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}
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/// <summary>
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/// Calculates X co-ordinate of main window top left corner.
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/// </summary>
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/// <returns>X co-ordinate of main window top left corner</returns>
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private double WindowLeft()
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{
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var screen = GetScreen();
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var dip1 = WindowsInteropHelper.TransformPixelsToDIP(this, screen.WorkingArea.X, 0);
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var dip2 = WindowsInteropHelper.TransformPixelsToDIP(this, screen.WorkingArea.Width, 0);
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var left = ((dip2.X - ActualWidth) / 2) + dip1.X;
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return left;
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}
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private double WindowTop()
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{
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var screen = GetScreen();
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var dip1 = WindowsInteropHelper.TransformPixelsToDIP(this, 0, screen.WorkingArea.Y);
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var dip2 = WindowsInteropHelper.TransformPixelsToDIP(this, 0, screen.WorkingArea.Height);
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var top = ((dip2.Y - SearchBox.ActualHeight) / 4) + dip1.Y;
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return top;
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}
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private Screen GetScreen()
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{
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ManagedCommon.StartupPosition position = _settings.StartupPosition;
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switch (position)
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{
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case ManagedCommon.StartupPosition.PrimaryMonitor:
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return Screen.PrimaryScreen;
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case ManagedCommon.StartupPosition.Focus:
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IntPtr foregroundWindowHandle = NativeMethods.GetForegroundWindow();
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Screen activeScreen = Screen.FromHandle(foregroundWindowHandle);
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return activeScreen;
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case ManagedCommon.StartupPosition.Cursor:
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default:
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return Screen.FromPoint(System.Windows.Forms.Cursor.Position);
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}
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}
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private void Launcher_KeyDown(object sender, KeyEventArgs e)
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{
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if (e.Key == Key.Tab && Keyboard.IsKeyDown(Key.LeftShift))
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{
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_viewModel.SelectPrevTabItemCommand.Execute(null);
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UpdateTextBoxToSelectedItem();
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e.Handled = true;
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}
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else if (e.Key == Key.Tab)
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{
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_viewModel.SelectNextTabItemCommand.Execute(null);
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UpdateTextBoxToSelectedItem();
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e.Handled = true;
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}
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else if (e.Key == Key.Down)
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{
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_viewModel.SelectNextItemCommand.Execute(null);
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UpdateTextBoxToSelectedItem();
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e.Handled = true;
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}
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else if (e.Key == Key.Up)
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{
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_viewModel.SelectPrevItemCommand.Execute(null);
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UpdateTextBoxToSelectedItem();
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e.Handled = true;
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}
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else if (e.Key == Key.Right)
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{
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if (SearchBox.QueryTextBox.CaretIndex == SearchBox.QueryTextBox.Text.Length)
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{
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_viewModel.SelectNextContextMenuItemCommand.Execute(null);
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e.Handled = true;
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}
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}
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else if (e.Key == Key.Left)
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{
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if (SearchBox.QueryTextBox.CaretIndex == SearchBox.QueryTextBox.Text.Length)
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{
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if (_viewModel.Results != null && _viewModel.Results.IsContextMenuItemSelected())
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{
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_viewModel.SelectPreviousContextMenuItemCommand.Execute(null);
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e.Handled = true;
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}
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}
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}
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else if (e.Key == Key.PageDown)
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{
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_viewModel.SelectNextPageCommand.Execute(null);
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e.Handled = true;
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}
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else if (e.Key == Key.PageUp)
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{
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_viewModel.SelectPrevPageCommand.Execute(null);
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e.Handled = true;
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}
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else if (e.Key == Key.Back)
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{
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_deletePressed = true;
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}
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else
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{
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_viewModel.HandleContextMenu(e.Key, Keyboard.Modifiers);
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}
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}
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private void UpdateTextBoxToSelectedItem()
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{
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var itemText = _viewModel?.Results?.SelectedItem?.SearchBoxDisplayText() ?? null;
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if (!string.IsNullOrEmpty(itemText))
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{
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_viewModel.ChangeQueryText(itemText);
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}
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}
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private void SuggestionsList_SelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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ModernWpf.Controls.ListView listview = (ModernWpf.Controls.ListView)sender;
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_viewModel.Results.SelectedItem = (ResultViewModel)listview.SelectedItem;
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if (e.AddedItems.Count > 0 && e.AddedItems[0] != null)
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{
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try
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{
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listview.ScrollIntoView(e.AddedItems[0]);
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}
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catch (ArgumentOutOfRangeException ex)
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{
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// Due to virtualization being enabled for the listview, the layout system updates elements in a deferred manner using an algorithm that balances performance and concurrency.
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// Hence, there can be a situation where the element index that we want to scroll into view is out of range for it's parent control.
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// To mitigate this we use the UpdateLayout function, which forces layout update to ensure that the parent element contains the latest properties.
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// However, it has a performance impact and is therefore not called each time.
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Log.Exception("The parent element layout is not updated yet", ex, GetType());
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listview.UpdateLayout();
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listview.ScrollIntoView(e.AddedItems[0]);
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}
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}
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// To populate the AutoCompleteTextBox as soon as the selection is changed or set.
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// Setting it here instead of when the text is changed as there is a delay in executing the query and populating the result
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if (_viewModel.Results != null)
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{
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SearchBox.AutoCompleteTextBlock.Text = MainViewModel.GetAutoCompleteText(
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_viewModel.Results.SelectedIndex,
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_viewModel.Results.SelectedItem?.SearchBoxDisplayText(),
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_viewModel.QueryText);
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}
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}
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private bool disposedValue;
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private void QueryTextBox_TextChanged(object sender, TextChangedEventArgs e)
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{
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var textBox = (TextBox)sender;
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var text = textBox.Text;
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var autoCompleteText = SearchBox.AutoCompleteTextBlock.Text;
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if (MainViewModel.ShouldAutoCompleteTextBeEmpty(text, autoCompleteText))
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{
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SearchBox.AutoCompleteTextBlock.Text = string.Empty;
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}
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if (_isTextSetProgrammatically)
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{
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textBox.SelectionStart = textBox.Text.Length;
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_isTextSetProgrammatically = false;
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}
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else
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{
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_viewModel.QueryText = text;
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_viewModel.Query();
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}
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}
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private void ListBox_PreviewMouseDown(object sender, MouseButtonEventArgs e)
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{
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if (e.ChangedButton == MouseButton.Right)
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{
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e.Handled = true;
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}
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}
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private void OnVisibilityChanged(object sender, DependencyPropertyChangedEventArgs e)
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{
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if (Visibility == Visibility.Visible)
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{
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_deletePressed = false;
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if (_firstDeleteTimer != null)
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{
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_firstDeleteTimer.Start();
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}
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// (this.FindResource("IntroStoryboard") as Storyboard).Begin();
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SearchBox.QueryTextBox.Focus();
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Keyboard.Focus(SearchBox.QueryTextBox);
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_settings.ActivateTimes++;
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if (!string.IsNullOrEmpty(SearchBox.QueryTextBox.Text))
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{
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SearchBox.QueryTextBox.SelectAll();
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}
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// Log the time taken from pressing the hotkey till launcher is visible as separate events depending on if it's the first hotkey invoke or second
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if (!_coldStateHotkeyPressed)
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{
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PowerToysTelemetry.Log.WriteEvent(new LauncherColdStateHotkeyEvent() { HotkeyToVisibleTimeMs = _viewModel.GetHotkeyEventTimeMs() });
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_coldStateHotkeyPressed = true;
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}
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else
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{
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PowerToysTelemetry.Log.WriteEvent(new LauncherWarmStateHotkeyEvent() { HotkeyToVisibleTimeMs = _viewModel.GetHotkeyEventTimeMs() });
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}
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}
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else
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{
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if (_firstDeleteTimer != null)
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{
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_firstDeleteTimer.Stop();
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}
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}
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}
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private void OutroStoryboard_Completed(object sender, EventArgs e)
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{
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Hide();
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}
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private void SearchBox_UpdateFlowDirection()
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{
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SearchBox.QueryTextBox.FlowDirection = MainViewModel.GetLanguageFlowDirection();
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SearchBox.AutoCompleteTextBlock.FlowDirection = MainViewModel.GetLanguageFlowDirection();
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}
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private void SearchBox_InputLanguageChanged(object sender, InputLanguageEventArgs e)
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{
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SearchBox_UpdateFlowDirection();
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}
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protected virtual void Dispose(bool disposing)
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{
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if (!disposedValue)
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{
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if (disposing)
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{
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if (_firstDeleteTimer != null)
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{
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_firstDeleteTimer.Dispose();
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}
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}
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// TODO: free unmanaged resources (unmanaged objects) and override finalizer
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// TODO: set large fields to null
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_firstDeleteTimer = null;
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disposedValue = true;
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}
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}
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// // TODO: override finalizer only if 'Dispose(bool disposing)' has code to free unmanaged resources
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// ~MainWindow()
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// {
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// // Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
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// Dispose(disposing: false);
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// }
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public void Dispose()
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{
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// Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
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Dispose(disposing: true);
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GC.SuppressFinalize(this);
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}
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}
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}
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