X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/148af7c534dcd3cf129c10db13fc37828d0f3cc1..eea4d01c65f9b29baa1193db762b4c6b8144af24:/src/cocoa/cursor.mm

diff --git a/src/cocoa/cursor.mm b/src/cocoa/cursor.mm
index 126ef111aa..be8c6adb97 100644
--- a/src/cocoa/cursor.mm
+++ b/src/cocoa/cursor.mm
@@ -8,7 +8,7 @@
 // RCS-ID:      $Id$
 // Copyright:   (c) Ryan Norton
 //              2007, Software 2000 Ltd.
-// Licence:     wxWidgets licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #include "wx/wxprec.h"
@@ -35,7 +35,7 @@ typedef struct tagClassicCursor
 }ClassicCursor;
 
 ///////////////////////////////////////////////////////////////////////////
-// This is a direct copy from src/mac/carbon/cursor.cpp and should be
+// This is a direct copy from src/osx/carbon/cursor.cpp and should be
 // changed to use common code if we plan on keeping it this way.
 // Note that this is basically an array of classic 'CURS' resources.
 
@@ -181,7 +181,7 @@ ClassicCursor gMacCursors[kwxCursorLast+1] =
 
 } ;
 
-// End of data copied from src/mac/carbon/cursor.cpp
+// End of data copied from src/osx/carbon/cursor.cpp
 ///////////////////////////////////////////////////////////////////////////
 
 /* NSCursorCreateWithPrivateId
@@ -393,9 +393,25 @@ static inline int GetPrivateCursorIdForStockCursor(int stock_cursor_id)
     return -1;
 }
 
+// Keep an array of stock cursors so they can share wxCursorRefData and thus
+// wxObject::IsSameAs will return true.
+// They will obviously be destroyed at static destruction time which should
+// theoretically be fine.
+static wxCursor s_stockCursors[wxCURSOR_MAX];
+
 // Cursors by stock number (enum wxStockCursor)
 wxCursor::wxCursor(int stock_cursor_id)
 {
+    // We default-constructed wxObject so our m_refData == NULL
+    if(stock_cursor_id >= 0 && stock_cursor_id < wxCURSOR_MAX)
+    {
+        // Attempt to reference an existing stock cursor
+        Ref(s_stockCursors[stock_cursor_id]);
+    }
+    // If we succeeded in getting an existing stock cursor, we're done.
+    if(m_refData != NULL)
+        return;
+
     m_refData = new wxCursorRefData;
 
     M_CURSORDATA->m_hCursor = nil;
@@ -431,6 +447,13 @@ wxCursor::wxCursor(int stock_cursor_id)
 
     // This should never happen as the arrowCursor should always exist.
     wxASSERT(M_CURSORDATA->m_hCursor != nil);
+
+    // Store ourself as the new stock cursor for this ID so that future
+    // calls will share the same ref data.
+    if(stock_cursor_id >= 0 && stock_cursor_id < wxCURSOR_MAX)
+    {
+        s_stockCursors[stock_cursor_id] = *this;
+    }
 }
 
 wxCursor::~wxCursor()