CmdPal: add a setting for the page transition animation (#42093)

Basically title.

Closes #41869

src/modules/cmdpal/Microsoft.CmdPal.UI.ViewModels/SettingsModel.cs

@@ -52,6 +52,8 @@ public partial class SettingsModel : ObservableObject
 
     public MonitorBehavior SummonOn { get; set; } = MonitorBehavior.ToMouse;
 
+    public bool DisableAnimations { get; set; } = true;
+
     // END SETTINGS
     ///////////////////////////////////////////////////////////////////////////
 

src/modules/cmdpal/Microsoft.CmdPal.UI.ViewModels/SettingsViewModel.cs

@@ -128,6 +128,16 @@ public partial class SettingsViewModel : INotifyPropertyChanged
         }
     }
 
+    public bool DisableAnimations
+    {
+        get => _settings.DisableAnimations;
+        set
+        {
+            _settings.DisableAnimations = value;
+            Save();
+        }
+    }
+
     public ObservableCollection<ProviderSettingsViewModel> CommandProviders { get; } = [];
 
     public SettingsViewModel(SettingsModel settings, IServiceProvider serviceProvider, TaskScheduler scheduler)

src/modules/cmdpal/Microsoft.CmdPal.UI/Pages/ShellPage.xaml.cs

@@ -101,6 +101,18 @@ public sealed partial class ShellPage : Microsoft.UI.Xaml.Controls.Page,
         _pageNavigatedAnnouncement = CompositeFormat.Parse(pageAnnouncementFormat);
     }
 
+    /// <summary>
+    /// Gets the default page animation, depending on the settings
+    /// </summary>
+    private NavigationTransitionInfo DefaultPageAnimation
+    {
+        get
+        {
+            var settings = App.Current.Services.GetService<SettingsModel>()!;
+            return settings.DisableAnimations ? _noAnimation : _slideRightTransition;
+        }
+    }
+
     public void Receive(NavigateBackMessage message)
     {
         var settings = App.Current.Services.GetService<SettingsModel>()!;
@@ -142,7 +154,7 @@ public sealed partial class ShellPage : Microsoft.UI.Xaml.Controls.Page,
                     _ => throw new NotSupportedException(),
                 },
                 message.Page,
-                message.WithAnimation ? _slideRightTransition : _noAnimation);
+                message.WithAnimation ? DefaultPageAnimation : _noAnimation);
 
             PowerToysTelemetry.Log.WriteEvent(new OpenPage(RootFrame.BackStackDepth));
 

src/modules/cmdpal/Microsoft.CmdPal.UI/Settings/GeneralPage.xaml

@@ -88,6 +88,10 @@
                         <ToggleSwitch IsOn="{x:Bind viewModel.ShowSystemTrayIcon, Mode=TwoWay}" />
                     </controls:SettingsCard>
 
+                    <controls:SettingsCard x:Uid="Settings_GeneralPage_DisableAnimations_SettingsCard" HeaderIcon="{ui:FontIcon Glyph=&#xE945;}">
+                        <ToggleSwitch IsOn="{x:Bind viewModel.DisableAnimations, Mode=TwoWay}" />
+                    </controls:SettingsCard>
+
                     <!--  'For Developers' section  -->
 
                     <TextBlock x:Uid="ForDevelopersSettingsHeader" Style="{StaticResource SettingsSectionHeaderTextBlockStyle}" />

src/modules/cmdpal/Microsoft.CmdPal.UI/Strings/en-us/Resources.resw

@@ -407,6 +407,12 @@ Right-click to remove the key combination, thereby deactivating the shortcut.</v
   <data name="Settings_GeneralPage_ShowSystemTrayIcon_SettingsCard.Description" xml:space="preserve">
     <value>Choose if Command Palette is visible in the system tray</value>
   </data>
+  <data name="Settings_GeneralPage_DisableAnimations_SettingsCard.Header" xml:space="preserve">
+    <value>Disable animations</value>
+  </data>
+  <data name="Settings_GeneralPage_DisableAnimations_SettingsCard.Description" xml:space="preserve">
+    <value>Disable animations when switching between pages</value>
+  </data>
   <data name="BackButton.[using:Microsoft.UI.Xaml.Automation]AutomationProperties.Name" xml:space="preserve">
     <value>Back</value>
   </data>