fix: empty items disable context menu (#793)

example/windows/flutter/CMakeLists.txt

@@ -10,6 +10,11 @@ include(${EPHEMERAL_DIR}/generated_config.cmake)
 # https://github.com/flutter/flutter/issues/57146.
 set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper")
 
+# Set fallback configurations for older versions of the flutter tool.
+if (NOT DEFINED FLUTTER_TARGET_PLATFORM)
+  set(FLUTTER_TARGET_PLATFORM "windows-x64")
+endif()
+
 # === Flutter Library ===
 set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll")
 
@@ -92,7 +97,7 @@ add_custom_command(
   COMMAND ${CMAKE_COMMAND} -E env
     ${FLUTTER_TOOL_ENVIRONMENT}
     "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"
-      windows-x64 $<CONFIG>
+      ${FLUTTER_TARGET_PLATFORM} $<CONFIG>
   VERBATIM
 )
 add_custom_target(flutter_assemble DEPENDS

lib/src/editor/editor_component/service/editor.dart

@@ -117,9 +117,13 @@ class AppFlowyEditor extends StatefulWidget {
   /// The context menu items.
   ///
   /// They will be shown when the user right click on the editor.
+  /// Each item will be separated by a divider.
   ///
-  /// A divider will be added between each list.
-  final List<List<ContextMenuItem>> contextMenuItems;
+  /// Defaults to [standardContextMenuItems].
+  ///
+  /// If empty the context menu won't appear.
+  ///
+  final List<List<ContextMenuItem>>? contextMenuItems;
 
   /// Provide a editorScrollController to control the scroll behavior
   ///

lib/src/editor/editor_component/service/selection/desktop_selection_service.dart

@@ -14,14 +14,14 @@ class DesktopSelectionServiceWidget extends StatefulWidget {
     super.key,
     this.cursorColor = const Color(0xFF00BCF0),
     this.selectionColor = const Color(0xFF00BCF0),
-    required this.contextMenuItems,
+    this.contextMenuItems,
     required this.child,
   });
 
   final Widget child;
   final Color cursorColor;
   final Color selectionColor;
-  final List<List<ContextMenuItem>> contextMenuItems;
+  final List<List<ContextMenuItem>>? contextMenuItems;
 
   @override
   State<DesktopSelectionServiceWidget> createState() =>
@@ -363,6 +363,11 @@ class _DesktopSelectionServiceWidgetState
   void _showContextMenu(TapDownDetails details) {
     _clearContextMenu();
 
+    // Don't trigger the context menu if there are no items
+    if (widget.contextMenuItems == null || widget.contextMenuItems!.isEmpty) {
+      return;
+    }
+
     // only shows around the selection area.
     if (selectionRects.isEmpty) {
       return;
@@ -394,7 +399,7 @@ class _DesktopSelectionServiceWidgetState
       builder: (context) => ContextMenu(
         position: offset,
         editorState: editorState,
-        items: widget.contextMenuItems,
+        items: widget.contextMenuItems!,
         onPressed: () => _clearContextMenu(),
       ),
     );

lib/src/editor/editor_component/service/selection_service_widget.dart

@@ -10,14 +10,14 @@ class SelectionServiceWidget extends StatefulWidget {
     this.cursorColor = const Color(0xFF00BCF0),
     this.selectionColor = const Color.fromARGB(53, 111, 201, 231),
     this.showMagnifier = true,
-    required this.contextMenuItems,
+    this.contextMenuItems,
     required this.child,
   });
 
   final Widget child;
   final Color cursorColor;
   final Color selectionColor;
-  final List<List<ContextMenuItem>> contextMenuItems;
+  final List<List<ContextMenuItem>>? contextMenuItems;
 
   /// Show the magnifier or not.
   ///