Don't open a hole in the terminal window when pasting

src/cascadia/TerminalApp/TerminalPage.cpp

@@ -1970,7 +1970,9 @@ namespace winrt::TerminalApp::implementation
                 }
             }
 
-            bool warnMultiLine = _settings.GlobalSettings().WarnAboutMultiLinePaste();
+            // If the requesting terminal is in bracketed paste mode, then we don't need to warn about a multi-line paste.
+            bool warnMultiLine = _settings.GlobalSettings().WarnAboutMultiLinePaste() &&
+                                 !eventArgs.BracketedPasteEnabled();
             if (warnMultiLine)
             {
                 const auto isNewLineLambda = [](auto c) { return c == L'\n' || c == L'\r'; };
@@ -1986,13 +1988,6 @@ namespace winrt::TerminalApp::implementation
             {
                 co_await winrt::resume_foreground(Dispatcher());
 
-                if (warnMultiLine)
-                {
-                    const auto focusedTab = _GetFocusedTabImpl();
-                    // Do not warn about multi line pasting if the current tab has bracketed paste enabled.
-                    warnMultiLine = warnMultiLine && !focusedTab->GetActiveTerminalControl().BracketedPasteEnabled();
-                }
-
                 // We have to initialize the dialog here to be able to change the text of the text block within it
                 FindName(L"MultiLinePasteDialog").try_as<WUX::Controls::ContentDialog>();
                 ClipboardText().Text(text);

src/cascadia/TerminalControl/ControlInteractivity.cpp

@@ -174,7 +174,7 @@ namespace winrt::Microsoft::Terminal::Control::implementation
         // clipboardDataHandler. This is called when the clipboard data is
         // loaded.
         auto clipboardDataHandler = std::bind(&ControlInteractivity::_sendPastedTextToConnection, this, std::placeholders::_1);
-        auto pasteArgs = winrt::make_self<PasteFromClipboardEventArgs>(clipboardDataHandler);
+        auto pasteArgs = winrt::make_self<PasteFromClipboardEventArgs>(clipboardDataHandler, _core->BracketedPasteEnabled());
 
         // send paste event up to TermApp
         _PasteFromClipboardHandlers(*this, *pasteArgs);

src/cascadia/TerminalControl/EventArgs.h

@@ -53,14 +53,17 @@ namespace winrt::Microsoft::Terminal::Control::implementation
     struct PasteFromClipboardEventArgs : public PasteFromClipboardEventArgsT<PasteFromClipboardEventArgs>
     {
     public:
-        PasteFromClipboardEventArgs(std::function<void(std::wstring_view)> clipboardDataHandler) :
-            m_clipboardDataHandler(clipboardDataHandler) {}
+        PasteFromClipboardEventArgs(std::function<void(std::wstring_view)> clipboardDataHandler, bool bracketedPasteEnabled) :
+            m_clipboardDataHandler(clipboardDataHandler),
+            _BracketedPasteEnabled{ bracketedPasteEnabled } {}
 
         void HandleClipboardData(hstring value)
         {
             m_clipboardDataHandler(value);
         };
 
+        WINRT_PROPERTY(bool, BracketedPasteEnabled, false);
+
     private:
         std::function<void(std::wstring_view)> m_clipboardDataHandler;
     };

src/cascadia/TerminalControl/EventArgs.idl

@@ -30,6 +30,7 @@ namespace Microsoft.Terminal.Control
     runtimeclass PasteFromClipboardEventArgs
     {
         void HandleClipboardData(String data);
+        Boolean BracketedPasteEnabled { get; };
     }
 
     runtimeclass OpenHyperlinkEventArgs