Implement SetCursorColor in Terminal (#7123)

This was never hooked up to the TerminalCore implementation.

Closes #7102

(cherry picked from commit 2f5ba94)

src/cascadia/TerminalCore/ITerminalApi.hpp

@@ -39,6 +39,7 @@ namespace Microsoft::Terminal::Core
         virtual bool SetColorTableEntry(const size_t tableIndex, const DWORD color) noexcept = 0;
 
         virtual bool SetCursorStyle(const ::Microsoft::Console::VirtualTerminal::DispatchTypes::CursorStyle cursorStyle) noexcept = 0;
+        virtual bool SetCursorColor(const DWORD color) noexcept = 0;
 
         virtual bool SetDefaultForeground(const DWORD color) noexcept = 0;
         virtual bool SetDefaultBackground(const DWORD color) noexcept = 0;

src/cascadia/TerminalCore/Terminal.hpp

@@ -93,6 +93,7 @@ class Microsoft::Terminal::Core::Terminal final :
     bool SetWindowTitle(std::wstring_view title) noexcept override;
     bool SetColorTableEntry(const size_t tableIndex, const COLORREF color) noexcept override;
     bool SetCursorStyle(const ::Microsoft::Console::VirtualTerminal::DispatchTypes::CursorStyle cursorStyle) noexcept override;
+    bool SetCursorColor(const COLORREF color) noexcept override;
     bool SetDefaultForeground(const COLORREF color) noexcept override;
     bool SetDefaultBackground(const COLORREF color) noexcept override;
 

src/cascadia/TerminalCore/TerminalApi.cpp

@@ -64,6 +64,14 @@ COORD Terminal::GetCursorPosition() noexcept
     return newPos;
 }
 
+bool Terminal::SetCursorColor(const COLORREF color) noexcept
+try
+{
+    _buffer->GetCursor().SetColor(color);
+    return true;
+}
+CATCH_LOG_RETURN_FALSE()
+
 // Method Description:
 // - Moves the cursor down one line, and possibly also to the leftmost column.
 // Arguments:

src/cascadia/TerminalCore/TerminalDispatch.cpp

@@ -146,6 +146,13 @@ try
 }
 CATCH_LOG_RETURN_FALSE()
 
+bool TerminalDispatch::SetCursorColor(const DWORD color) noexcept
+try
+{
+    return _terminalApi.SetCursorColor(color);
+}
+CATCH_LOG_RETURN_FALSE()
+
 bool TerminalDispatch::SetClipboard(std::wstring_view content) noexcept
 try
 {

src/cascadia/TerminalCore/TerminalDispatch.hpp

@@ -35,6 +35,7 @@ class TerminalDispatch : public Microsoft::Console::VirtualTerminal::TermDispatc
 
     bool SetColorTableEntry(const size_t tableIndex, const DWORD color) noexcept override;
     bool SetCursorStyle(const ::Microsoft::Console::VirtualTerminal::DispatchTypes::CursorStyle cursorStyle) noexcept override;
+    bool SetCursorColor(const DWORD color) noexcept override;
 
     bool SetClipboard(std::wstring_view content) noexcept override;