From 2699f89643c7643f5711140365ed2b2ad44a1f5c Mon Sep 17 00:00:00 2001
From: Mike Griese <migrie@microsoft.com>
Date: Wed, 13 May 2020 16:58:29 -0500
Subject: [PATCH] Make conpty request win32-input-mode on startup

---
 src/host/VtIo.cpp               |  2 ++
 src/renderer/vt/VtSequences.cpp | 11 +++++++++++
 src/renderer/vt/state.cpp       | 13 +++++++++++++
 src/renderer/vt/vtrenderer.hpp  |  4 ++++
 4 files changed, 30 insertions(+)

diff --git a/src/host/VtIo.cpp b/src/host/VtIo.cpp
index 09b3af630bd..d4b31ce9909 100644
--- a/src/host/VtIo.cpp
+++ b/src/host/VtIo.cpp
@@ -237,6 +237,8 @@ bool VtIo::IsUsingVt() const
         CATCH_RETURN();
     }
 
+    LOG_IF_FAILED(_pVtRenderEngine->RequestWin32Input());
+
     // MSFT: 15813316
     // If the terminal application wants us to inherit the cursor position,
     //  we're going to emit a VT sequence to ask for the cursor position, then
diff --git a/src/renderer/vt/VtSequences.cpp b/src/renderer/vt/VtSequences.cpp
index 0b9c7baaf84..c94f4842b47 100644
--- a/src/renderer/vt/VtSequences.cpp
+++ b/src/renderer/vt/VtSequences.cpp
@@ -436,3 +436,14 @@ using namespace Microsoft::Console::Render;
 {
     return _Write("\x1b[29m");
 }
+
+// Method Description:
+// - TODO
+// Arguments:
+// - <none>
+// Return Value:
+// - S_OK if we succeeded, else an appropriate HRESULT for failing to allocate or write.
+[[nodiscard]] HRESULT VtEngine::_RequestWin32Input() noexcept
+{
+    return _Write("\x1b]1000;1;1\x07");
+}
diff --git a/src/renderer/vt/state.cpp b/src/renderer/vt/state.cpp
index 099fa487758..7fa21c56a8a 100644
--- a/src/renderer/vt/state.cpp
+++ b/src/renderer/vt/state.cpp
@@ -509,3 +509,16 @@ void VtEngine::SetResizeQuirk(const bool resizeQuirk)
 {
     return S_OK;
 }
+
+// Method Description:
+// - TODO
+// Arguments:
+// - <none>
+// Return Value:
+// - S_OK if we succeeded, else an appropriate HRESULT for failing to allocate or write.
+HRESULT VtEngine::RequestWin32Input() noexcept
+{
+    RETURN_IF_FAILED(_RequestWin32Input());
+    RETURN_IF_FAILED(_Flush());
+    return S_OK;
+}
diff --git a/src/renderer/vt/vtrenderer.hpp b/src/renderer/vt/vtrenderer.hpp
index 5f683bc9b15..3165263fc8f 100644
--- a/src/renderer/vt/vtrenderer.hpp
+++ b/src/renderer/vt/vtrenderer.hpp
@@ -110,6 +110,8 @@ namespace Microsoft::Console::Render
 
         [[nodiscard]] virtual HRESULT ManuallyClearScrollback() noexcept;
 
+        [[nodiscard]] HRESULT RequestWin32Input() noexcept;
+
     protected:
         wil::unique_hfile _hFile;
         std::string _buffer;
@@ -208,6 +210,8 @@ namespace Microsoft::Console::Render
 
         [[nodiscard]] HRESULT _RequestCursor() noexcept;
 
+        [[nodiscard]] HRESULT _RequestWin32Input() noexcept;
+
         [[nodiscard]] virtual HRESULT _MoveCursor(const COORD coord) noexcept = 0;
         [[nodiscard]] HRESULT _RgbUpdateDrawingBrushes(const COLORREF colorForeground,
                                                        const COLORREF colorBackground,