Add keyboardType prop support to Fabric TextInput for parity with Paper

Author: Nitin Chaudhary

vnext/Microsoft.ReactNative/Fabric/Composition/TextInput/WindowsTextInputComponentView.cpp

@@ -1186,6 +1186,11 @@ void WindowsTextInputComponentView::updateProps(
     updateAutoCorrect(newTextInputProps.autoCorrect);
   }
 
+  if (oldTextInputProps.keyboardType != newTextInputProps.keyboardType ||
+      oldTextInputProps.secureTextEntry != newTextInputProps.secureTextEntry) {
+    updateKeyboardType(newTextInputProps.keyboardType);
+  }
+
   if (oldTextInputProps.selectionColor != newTextInputProps.selectionColor) {
     m_needsRedraw = true;
   }
@@ -1432,6 +1437,10 @@ void WindowsTextInputComponentView::onMounted() noexcept {
     m_propBitsMask |= TXTBIT_CHARFORMATCHANGE;
     m_propBits |= TXTBIT_CHARFORMATCHANGE;
   }
+
+  // Initialize keyboardType
+  updateKeyboardType(windowsTextInputProps().keyboardType);
+
   InternalFinalize();
 
   // Handle autoFocus property - focus the component when mounted if autoFocus is true
@@ -1547,25 +1556,59 @@ void WindowsTextInputComponentView::UpdateParaFormat() noexcept {
   m_pf.dwMask = PFM_ALL;
 
   auto &textAlign = windowsTextInputProps().textAlign;
+  auto &baseWritingDirection = windowsTextInputProps().textAttributes.baseWritingDirection;
+
+  // Handle writingDirection (baseWritingDirection)
+  // For WritingDirection::Natural, use the computed layout direction from the layout tree
+  // since direction can be overridden at any point in the tree
+  bool isRTL = false;
+  if (baseWritingDirection.has_value()) {
+    if (*baseWritingDirection == facebook::react::WritingDirection::RightToLeft) {
+      isRTL = true;
+      m_pf.dwMask |= PFM_RTLPARA;
+      m_pf.wEffects |= PFE_RTLPARA;
+    } else if (*baseWritingDirection == facebook::react::WritingDirection::LeftToRight) {
+      isRTL = false;
+      // Ensure RTL flag is not set
+      m_pf.wEffects &= ~PFE_RTLPARA;
+    } else if (*baseWritingDirection == facebook::react::WritingDirection::Natural) {
+      // Natural uses the layout direction computed from the tree
+      isRTL = (layoutMetrics().layoutDirection == facebook::react::LayoutDirection::RightToLeft);
+      if (isRTL) {
+        m_pf.dwMask |= PFM_RTLPARA;
+        m_pf.wEffects |= PFE_RTLPARA;
+      } else {
+        m_pf.wEffects &= ~PFE_RTLPARA;
+      }
+    }
+  } else {
+    // No explicit writing direction set - use layout direction from tree
+    isRTL = (layoutMetrics().layoutDirection == facebook::react::LayoutDirection::RightToLeft);
+    if (isRTL) {
+      m_pf.dwMask |= PFM_RTLPARA;
+      m_pf.wEffects |= PFE_RTLPARA;
+    } else {
+      m_pf.wEffects &= ~PFE_RTLPARA;
+    }
+  }
 
+  // Handle textAlign
   if (textAlign == facebook::react::TextAlignment::Center) {
     m_pf.wAlignment = PFA_CENTER;
   } else if (textAlign == facebook::react::TextAlignment::Right) {
     m_pf.wAlignment = PFA_RIGHT;
+  } else if (textAlign == facebook::react::TextAlignment::Justified) {
+    m_pf.wAlignment = PFA_JUSTIFY;
+  } else if (textAlign == facebook::react::TextAlignment::Natural) {
+    // Natural alignment respects writing direction
+    m_pf.wAlignment = isRTL ? PFA_RIGHT : PFA_LEFT;
   } else {
+    // Default to left alignment
     m_pf.wAlignment = PFA_LEFT;
   }
 
   m_pf.cTabCount = 1;
   m_pf.rgxTabs[0] = lDefaultTab;
-
-  /*
-        if (m_spcontroller->IsCurrentReadingOrderRTL())
-        {
-                m_pf.dwMask |= PFM_RTLPARA;
-                m_pf.wEffects |= PFE_RTLPARA;
-        }
-  */
 }
 
 void WindowsTextInputComponentView::OnRenderingDeviceLost() noexcept {
@@ -1826,4 +1869,11 @@ void WindowsTextInputComponentView::updateSpellCheck(bool enable) noexcept {
   winrt::check_hresult(
       m_textServices->TxSendMessage(EM_SETLANGOPTIONS, IMF_SPELLCHECKING, enable ? newLangOptions : 0, &lresult));
 }
+
+void WindowsTextInputComponentView::updateKeyboardType(const std::string &keyboardType) noexcept {
+  // Store the keyboard type for future use
+  // Note: Fabric's windowless RichEdit doesn't have direct InputScope support like Paper's XAML controls.
+  // The keyboard type is stored but the actual keyboard behavior is handled by the system's IME.
+  m_keyboardType = keyboardType;
+}
 } // namespace winrt::Microsoft::ReactNative::Composition::implementation

vnext/Microsoft.ReactNative/Fabric/Composition/TextInput/WindowsTextInputComponentView.h

@@ -118,6 +118,7 @@ struct WindowsTextInputComponentView
   void updateLetterSpacing(float letterSpacing) noexcept;
   void updateAutoCorrect(bool value) noexcept;
   void updateSpellCheck(bool value) noexcept;
+  void updateKeyboardType(const std::string &keyboardType) noexcept;
 
   winrt::Windows::UI::Composition::CompositionSurfaceBrush m_brush{nullptr};
   winrt::Microsoft::ReactNative::Composition::Experimental::ICaretVisual m_caretVisual{nullptr};
@@ -147,6 +148,7 @@ struct WindowsTextInputComponentView
   HCURSOR m_hcursor{nullptr};
   std::chrono::steady_clock::time_point m_lastClickTime{};
   std::vector<facebook::react::CompWindowsTextInputSubmitKeyEventsStruct> m_submitKeyEvents;
+  std::string m_keyboardType{};
 };
 
 } // namespace winrt::Microsoft::ReactNative::Composition::implementation