Override CanFocus because the wxWindow level test will check if the NSTextView's parent scrollview can get keyboard focus, and will return no, meaning that wx won't set the focus to the text ctrl.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63564 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/cocoa/private/textimpl.h

@@ -63,6 +63,8 @@ public:
     virtual bool GetStyle(long position, wxTextAttr& style);
     virtual void SetStyle(long start, long end, const wxTextAttr& style);
     
+    virtual bool CanFocus() const;
+    
     virtual bool HasOwnContextMenu() const { return true; }
     
     virtual void CheckSpelling(bool check);

src/osx/cocoa/textctrl.mm

@@ -229,7 +229,6 @@ protected :
     return fieldEditor;
 }
 
-
 - (void) setEnabled:(BOOL) flag
 {
     [super setEnabled: flag];
@@ -322,6 +321,15 @@ wxNSTextViewControl::~wxNSTextViewControl()
         [m_textView setDelegate: nil];
 }
 
+bool wxNSTextViewControl::CanFocus() const
+{
+    // we need to override so that we don't return the CanFocus value of
+    // the text view's overriding scroll view.
+    if (m_textView)
+        return [m_textView canBecomeKeyView];
+    return false;
+}
+
 wxString wxNSTextViewControl::GetStringValue() const
 {
     if (m_textView)

src/osx/cocoa/window.mm

@@ -1644,7 +1644,7 @@ bool wxWidgetCocoaImpl::HasFocus() const
 
 bool wxWidgetCocoaImpl::SetFocus()
 {
-    if ( [m_osxView canBecomeKeyView] == NO )
+    if ( !CanFocus() )
         return false;
 
     [[m_osxView window] makeFirstResponder: m_osxView] ;