add global NSLayoutManager instance

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72396 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/cocoa/private.h

@@ -417,6 +417,8 @@ const short kwxCursorLast = kwxCursorWatch;
 
 extern ClassicCursor gMacCursors[];
 
+extern NSLayoutManager* gNSLayoutManager;
+
 #endif
 
 #endif

src/osx/cocoa/utils.mm

@@ -261,6 +261,9 @@ void wxBell()
 
 wxNSAppController* appcontroller = nil;
 
+NSLayoutManager* gNSLayoutManager = nil;
+
+
 bool wxApp::DoInitGui()
 {
     wxMacAutoreleasePool pool;
@@ -278,6 +281,8 @@ bool wxApp::DoInitGui()
         [NSApp finishLaunching];
 #endif
     }
+    gNSLayoutManager = [[NSLayoutManager alloc] init];
+    
     return true;
 }
 
@@ -289,6 +294,11 @@ void wxApp::DoCleanUp()
         [appcontroller release];
         appcontroller = nil;
     }
+    if ( gNSLayoutManager != nil )
+    {
+        [gNSLayoutManager release];
+        gNSLayoutManager = nil;
+    }
 }
 
 void wxClientDisplayRect(int *x, int *y, int *width, int *height)