move GetNewTerminalArgs into IPaneContent

src/cascadia/TerminalApp/IPaneContent.idl

@@ -14,6 +14,8 @@ namespace TerminalApp
         UInt64 TaskbarProgress { get; };
         Boolean ReadOnly { get; };
 
+        Microsoft.Terminal.Settings.Model.NewTerminalArgs GetNewTerminalArgs(Boolean asContent);
+
         void Focus();
 
         void Close();

src/cascadia/TerminalApp/Pane.cpp

@@ -132,62 +132,7 @@ NewTerminalArgs Pane::GetTerminalArgsForPane(const bool asContent) const
     // Leaves are the only things that have controls
     assert(_IsLeaf());
 
-    // TODO! this should be in the IPaneContent interface
-    if (const auto& terminalPane{ _getTerminalContent() }; !terminalPane)
-    {
-        return nullptr;
-    }
-    auto termControl{ _content.GetRoot().try_as<TermControl>() };
-
-    NewTerminalArgs args{};
-    auto controlSettings = termControl.Settings();
-
-    args.Profile(controlSettings.ProfileName());
-    // If we know the user's working directory use it instead of the profile.
-    if (const auto dir = termControl.WorkingDirectory(); !dir.empty())
-    {
-        args.StartingDirectory(dir);
-    }
-    else
-    {
-        args.StartingDirectory(controlSettings.StartingDirectory());
-    }
-    args.TabTitle(controlSettings.StartingTitle());
-    args.Commandline(controlSettings.Commandline());
-    args.SuppressApplicationTitle(controlSettings.SuppressApplicationTitle());
-    if (controlSettings.TabColor() || controlSettings.StartingTabColor())
-    {
-        til::color c;
-        // StartingTabColor is prioritized over other colors
-        if (const auto color = controlSettings.StartingTabColor())
-        {
-            c = til::color(color.Value());
-        }
-        else
-        {
-            c = til::color(controlSettings.TabColor().Value());
-        }
-
-        args.TabColor(winrt::Windows::Foundation::IReference<winrt::Windows::UI::Color>{ static_cast<winrt::Windows::UI::Color>(c) });
-    }
-
-    // TODO:GH#9800 - we used to be able to persist the color scheme that a
-    // TermControl was initialized with, by name. With the change to having the
-    // control own its own copy of its settings, this isn't possible anymore.
-    //
-    // We may be able to get around this by storing the Name in the Core::Scheme
-    // object. That would work for schemes set by the Terminal, but not ones set
-    // by VT, but that seems good enough.
-
-    // Only fill in the ContentId if absolutely needed. If you fill in a number
-    // here (even 0), we'll serialize that number, AND treat that action as an
-    // "attach existing" rather than a "create"
-    if (asContent)
-    {
-        args.ContentId(termControl.ContentId());
-    }
-
-    return args;
+    return _content.GetNewTerminalArgs(asContent);
 }
 
 // Method Description:

src/cascadia/TerminalApp/TerminalPaneContent.cpp

@@ -67,6 +67,59 @@ namespace winrt::TerminalApp::implementation
         }
     }
 
+    NewTerminalArgs TerminalPaneContent::GetNewTerminalArgs(const bool asContent) const
+    {
+        NewTerminalArgs args{};
+        auto controlSettings = _control.Settings();
+
+        args.Profile(controlSettings.ProfileName());
+        // If we know the user's working directory use it instead of the profile.
+        if (const auto dir = _control.WorkingDirectory(); !dir.empty())
+        {
+            args.StartingDirectory(dir);
+        }
+        else
+        {
+            args.StartingDirectory(controlSettings.StartingDirectory());
+        }
+        args.TabTitle(controlSettings.StartingTitle());
+        args.Commandline(controlSettings.Commandline());
+        args.SuppressApplicationTitle(controlSettings.SuppressApplicationTitle());
+        if (controlSettings.TabColor() || controlSettings.StartingTabColor())
+        {
+            til::color c;
+            // StartingTabColor is prioritized over other colors
+            if (const auto color = controlSettings.StartingTabColor())
+            {
+                c = til::color(color.Value());
+            }
+            else
+            {
+                c = til::color(controlSettings.TabColor().Value());
+            }
+
+            args.TabColor(winrt::Windows::Foundation::IReference<winrt::Windows::UI::Color>{ static_cast<winrt::Windows::UI::Color>(c) });
+        }
+
+        // TODO:GH#9800 - we used to be able to persist the color scheme that a
+        // TermControl was initialized with, by name. With the change to having the
+        // control own its own copy of its settings, this isn't possible anymore.
+        //
+        // We may be able to get around this by storing the Name in the Core::Scheme
+        // object. That would work for schemes set by the Terminal, but not ones set
+        // by VT, but that seems good enough.
+
+        // Only fill in the ContentId if absolutely needed. If you fill in a number
+        // here (even 0), we'll serialize that number, AND treat that action as an
+        // "attach existing" rather than a "create"
+        if (asContent)
+        {
+            args.ContentId(_control.ContentId());
+        }
+
+        return args;
+    }
+
     // Method Description:
     // - Called when our attached control is closed. Triggers listeners to our close
     //   event, if we're a leaf pane.

src/cascadia/TerminalApp/TerminalPaneContent.h

@@ -19,6 +19,8 @@ namespace winrt::TerminalApp::implementation
         void Focus();
         void Close();
 
+        winrt::Microsoft::Terminal::Settings::Model::NewTerminalArgs GetNewTerminalArgs(const bool asContent) const;
+
         void UpdateSettings(const winrt::Microsoft::Terminal::Settings::Model::TerminalSettingsCreateResult& settings,
                             const winrt::Microsoft::Terminal::Settings::Model::Profile& profile);