Summon this window when it receives an inbound connection

src/cascadia/TerminalApp/AppLogic.h

@@ -165,6 +165,7 @@ namespace winrt::TerminalApp::implementation
         FORWARDED_TYPED_EVENT(IdentifyWindowsRequested, Windows::Foundation::IInspectable, Windows::Foundation::IInspectable, _root, IdentifyWindowsRequested);
         FORWARDED_TYPED_EVENT(RenameWindowRequested, Windows::Foundation::IInspectable, winrt::TerminalApp::RenameWindowRequestedArgs, _root, RenameWindowRequested);
         FORWARDED_TYPED_EVENT(IsQuakeWindowChanged, Windows::Foundation::IInspectable, Windows::Foundation::IInspectable, _root, IsQuakeWindowChanged);
+        FORWARDED_TYPED_EVENT(SummonWindowRequested, Windows::Foundation::IInspectable, Windows::Foundation::IInspectable, _root, SummonWindowRequested);
 
 #ifdef UNIT_TESTING
         friend class TerminalAppLocalTests::CommandlineTest;

src/cascadia/TerminalApp/AppLogic.idl

@@ -92,5 +92,6 @@ namespace TerminalApp
         event Windows.Foundation.TypedEventHandler<Object, RenameWindowRequestedArgs> RenameWindowRequested;
         event Windows.Foundation.TypedEventHandler<Object, Object> SettingsChanged;
         event Windows.Foundation.TypedEventHandler<Object, Object> IsQuakeWindowChanged;
+        event Windows.Foundation.TypedEventHandler<Object, Object> SummonWindowRequested;
     }
 }

src/cascadia/TerminalApp/TerminalPage.cpp

@@ -2319,6 +2319,9 @@ namespace winrt::TerminalApp::implementation
     {
         // TODO: GH 9458 will give us more context so we can try to choose a better profile.
         _OpenNewTab(nullptr, connection);
+
+        // Request a summon of this window to the foreground
+        _SummonWindowRequestedHandlers(*this, nullptr);
     }
 
     // Method Description:

src/cascadia/TerminalApp/TerminalPage.h

@@ -124,6 +124,7 @@ namespace winrt::TerminalApp::implementation
         TYPED_EVENT(IdentifyWindowsRequested, IInspectable, IInspectable);
         TYPED_EVENT(RenameWindowRequested, Windows::Foundation::IInspectable, winrt::TerminalApp::RenameWindowRequestedArgs);
         TYPED_EVENT(IsQuakeWindowChanged, IInspectable, IInspectable);
+        TYPED_EVENT(SummonWindowRequested, IInspectable, IInspectable);
 
     private:
         friend struct TerminalPageT<TerminalPage>; // for Xaml to bind events

src/cascadia/TerminalApp/TerminalPage.idl

@@ -56,5 +56,6 @@ namespace TerminalApp
         event Windows.Foundation.TypedEventHandler<Object, Object> IdentifyWindowsRequested;
         event Windows.Foundation.TypedEventHandler<Object, RenameWindowRequestedArgs> RenameWindowRequested;
         event Windows.Foundation.TypedEventHandler<Object, Object> IsQuakeWindowChanged;
+        event Windows.Foundation.TypedEventHandler<Object, Object> SummonWindowRequested;
     }
 }

src/cascadia/WindowsTerminal/AppHost.cpp

@@ -266,6 +266,7 @@ void AppHost::Initialize()
     _logic.RenameWindowRequested({ this, &AppHost::_RenameWindowRequested });
     _logic.SettingsChanged({ this, &AppHost::_HandleSettingsChanged });
     _logic.IsQuakeWindowChanged({ this, &AppHost::_IsQuakeWindowChanged });
+    _logic.SummonWindowRequested({ this, &AppHost::_SummonWindowRequested });
 
     _window->UpdateTitle(_logic.Title());
 
@@ -586,7 +587,7 @@ bool AppHost::HasWindow()
 // - args: the bundle of a commandline and working directory to use for this invocation.
 // Return Value:
 // - <none>
-void AppHost::_DispatchCommandline(winrt::Windows::Foundation::IInspectable /*sender*/,
+void AppHost::_DispatchCommandline(winrt::Windows::Foundation::IInspectable sender,
                                    Remoting::CommandlineArgs args)
 {
     const Remoting::SummonWindowBehavior summonArgs{};
@@ -595,7 +596,7 @@ void AppHost::_DispatchCommandline(winrt::Windows::Foundation::IInspectable /*se
     summonArgs.ToMonitor(Remoting::MonitorBehavior::InPlace);
     // Summon the window whenever we dispatch a commandline to it. This will
     // make it obvious when a new tab/pane is created in a window.
-    _window->SummonWindow(summonArgs);
+    _HandleSummon(sender, summonArgs);
     _logic.ExecuteCommandline(args.Commandline(), args.CurrentDirectory());
 }
 
@@ -925,3 +926,14 @@ void AppHost::_IsQuakeWindowChanged(const winrt::Windows::Foundation::IInspectab
 {
     _window->IsQuakeWindow(_logic.IsQuakeWindow());
 }
+
+void AppHost::_SummonWindowRequested(const winrt::Windows::Foundation::IInspectable& sender,
+                                     const winrt::Windows::Foundation::IInspectable&)
+
+{
+    const Remoting::SummonWindowBehavior summonArgs{};
+    summonArgs.MoveToCurrentDesktop(false);
+    summonArgs.DropdownDuration(0);
+    summonArgs.ToMonitor(Remoting::MonitorBehavior::InPlace);
+    _HandleSummon(sender, summonArgs);
+}

src/cascadia/WindowsTerminal/AppHost.h

@@ -82,4 +82,7 @@ class AppHost
 
     void _IsQuakeWindowChanged(const winrt::Windows::Foundation::IInspectable& sender,
                                const winrt::Windows::Foundation::IInspectable& args);
+
+    void _SummonWindowRequested(const winrt::Windows::Foundation::IInspectable& sender,
+                                const winrt::Windows::Foundation::IInspectable& args);
 };