feat(ui): show custom action on context menu (#1353)

* fix(ui): Show message custom actions on desktop context menu.

* fix(ui): don't handle keyboard shortcut when callback is null.

Co-authored-by: Salvatore Giordano <[email protected]>

packages/stream_chat_flutter/CHANGELOG.md

@@ -1,5 +1,10 @@
 ## Upcoming
 
+🐞 Fixed
+
+- Show message custom actions on desktop context menu.
+- Can move cursor by left/right arrow in StreamMessageInput on web/desktop.
+
 ✅ Added
 
 - `VideoAttachment` now uses `thumbUrl` to show the thumbnail

packages/stream_chat_flutter/lib/src/keyboard_shortcuts/keyboard_shortcut_runner.dart

@@ -35,10 +35,11 @@ class KeyboardShortcutRunner extends StatelessWidget {
     return FocusableActionDetector(
       autofocus: true,
       shortcuts: {
-        enterKeySet: EnterKeyIntent(),
+        if (onEnterKeypress != null) enterKeySet: EnterKeyIntent(),
-        escapeKeySet: EscapeKeyIntent(),
+        if (onEscapeKeypress != null) escapeKeySet: EscapeKeyIntent(),
-        rightArrowKeySet: RightArrowKeyIntent(),
+        if (onRightArrowKeypress != null)
-        leftArrowKeySet: LeftArrowKeyIntent(),
+          rightArrowKeySet: RightArrowKeyIntent(),
+        if (onLeftArrowKeypress != null) leftArrowKeySet: LeftArrowKeyIntent(),
       },
       actions: {
         EnterKeyIntent: CallbackAction(

packages/stream_chat_flutter/lib/src/message_widget/message_widget.dart

@@ -1033,6 +1033,11 @@ class _StreamMessageWidgetState extends State<StreamMessageWidget>
             }
           },
         ),
+      ...widget.customActions.map((e) => StreamChatContextMenuItem(
+            leading: e.leading,
+            title: e.title,
+            onClick: () => e.onTap?.call(widget.message),
+          ))
     ];
   }