Rewrite HwndTerminal to build on ControlInteractivity and -Core

.github/actions/spelling/allow/apis.txt

@@ -66,6 +66,7 @@ ICONINFO
 IDirect
 IInheritable
 imm
+INCONTACT
 iosfwd
 isa
 isspace
@@ -124,6 +125,9 @@ PATINVERT
 PICKFOLDERS
 PINPUT
 pmr
+PSCROLLCB
+PTERM
+PWRITECB
 QUERYENDSESSION
 rcx
 REGCLS

.github/actions/spelling/expect/expect.txt

@@ -1355,7 +1355,7 @@ pvar
 pwch
 PWDDMCONSOLECONTEXT
 pws
-pwstr
+PWSTR
 pwsz
 pythonw
 QUERYOPEN

src/cascadia/TerminalControl/ControlCore.cpp

@@ -470,6 +470,22 @@ namespace winrt::Microsoft::Terminal::Control::implementation
         return true;
     }
 
+    bool ControlCore::InitializeWithHwnd(const float actualWidth,
+                                         const float actualHeight,
+                                         const float compositionScale,
+                                         const uint64_t hwnd)
+    {
+        _owningHwnd = hwnd;
+
+        auto i = Initialize(actualWidth, actualHeight, compositionScale);
+        if (i)
+        {
+            auto lock = _terminal->LockForWriting();
+            (void)_renderEngine->SetHwnd(reinterpret_cast<HWND>(hwnd));
+        }
+        return i;
+    }
+
     // Method Description:
     // - Tell the renderer to start painting.
     // - !! IMPORTANT !! Make sure that we've attached our swap chain to an
@@ -3018,4 +3034,24 @@ namespace winrt::Microsoft::Terminal::Control::implementation
     {
         _renderer->StopTimer(h);
     }
+
+    winrt::Windows::Foundation::Size ControlCore::RenderedSize()
+    {
+        return { _panelWidth, _panelHeight };
+    }
+
+    void ControlCore::ResizeToDimensions(uint32_t width, uint32_t height, winrt::Windows::Foundation::Size& newSizeInPixels)
+    {
+        if (!_renderEngine)
+        {
+            throw winrt::hresult_error(E_INVALIDARG);
+        }
+        auto pixelSize = _renderEngine->GetViewportInPixels(Viewport::FromDimensions({ 0, 0 }, til::size{ static_cast<til::CoordType>(width), static_cast<til::CoordType>(height) }));
+        SizeOrScaleChanged(static_cast<float>(pixelSize.Width()) / _compositionScale, static_cast<float>(pixelSize.Height()) / _compositionScale, _compositionScale);
+        auto newSize = RenderedSize();
+        newSizeInPixels = {
+            newSize.Width * _compositionScale,
+            newSize.Height * _compositionScale,
+        };
+    }
 }

src/cascadia/TerminalControl/ControlCore.h

@@ -89,6 +89,10 @@ namespace winrt::Microsoft::Terminal::Control::implementation
         bool Initialize(const float actualWidth,
                         const float actualHeight,
                         const float compositionScale);
+        bool InitializeWithHwnd(const float actualWidth,
+                                const float actualHeight,
+                                const float compositionScale,
+                                const uint64_t hwnd);
         void EnablePainting();
 
         void Detach();
@@ -264,6 +268,9 @@ namespace winrt::Microsoft::Terminal::Control::implementation
         bool ShouldShowSelectCommand();
         bool ShouldShowSelectOutput();
 
+        winrt::Windows::Foundation::Size RenderedSize();
+        void ResizeToDimensions(uint32_t width, uint32_t height, winrt::Windows::Foundation::Size& newSizeInPixels);
+
         void PreviewInput(std::wstring_view input);
 
         using TimerHandle = ::Microsoft::Console::Render::TimerHandle;