wxSystemSettings::GetMetric returns -1 if the metric is not supported

[wxWidgets.git] / src / cocoa / NSView.mm

diff --git a/src/cocoa/NSView.mm b/src/cocoa/NSView.mm
index 280c06b91b3c5d6824f00c56e67e940ca802732c..7a4d133ff4d7dea8826ce6ee9eb6157179bd4c26 100644 (file)
--- a/src/cocoa/NSView.mm
+++ b/src/cocoa/NSView.mm
@@ -6,7 +6,7 @@
 // Created:     2003/02/15
 // RCS-ID:      $Id: 
 // Copyright:   (c) 2003 David Elliott
-// Licence:     wxWindows license
+// Licence:     wxWidgets licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -25,7 +25,7 @@
 #include "wx/cocoa/ObjcPose.h"
 #include "wx/cocoa/NSView.h"
 
-#import <Appkit/NSView.h>
+#import <AppKit/NSView.h>
 #import <Foundation/NSNotification.h>
 #import <Foundation/NSString.h>
 
@@ -36,15 +36,21 @@ WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(NSView)
 
 void wxCocoaNSView::AssociateNSView(WX_NSView cocoaNSView)
 {
-    sm_cocoaHash.insert(wxCocoaNSViewHash::value_type(cocoaNSView,this));
-    [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(notificationFrameChanged:) name:@"NSViewFrameDidChangeNotification" object:cocoaNSView];
-    [cocoaNSView setPostsFrameChangedNotifications: YES];
+    if(cocoaNSView)
+    {
+        sm_cocoaHash.insert(wxCocoaNSViewHash::value_type(cocoaNSView,this));
+        [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(notificationFrameChanged:) name:@"NSViewFrameDidChangeNotification" object:cocoaNSView];
+        [cocoaNSView setPostsFrameChangedNotifications: YES];
+    }
 }
 
 void wxCocoaNSView::DisassociateNSView(WX_NSView cocoaNSView)
 {
-    sm_cocoaHash.erase(cocoaNSView);
-    [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:@"NSViewFrameDidChangeNotification" object:cocoaNSView];
+    if(cocoaNSView)
+    {
+        sm_cocoaHash.erase(cocoaNSView);
+        [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:@"NSViewFrameDidChangeNotification" object:cocoaNSView];
+    }
 }
 
 // ============================================================================
@@ -183,7 +189,7 @@ void *wxCocoaNSView::sm_cocoaObserver = [[wxNSViewNotificationObserver alloc] in
 - (void)notificationFrameChanged: (NSNotification *)notification;
 {
     wxCocoaNSView *win = wxCocoaNSView::GetFromCocoa([notification object]);
-    wxCHECK_RET(win,"notificationFrameChanged received but no wxWindow exists");
+    wxCHECK_RET(win,wxT("notificationFrameChanged received but no wxWindow exists"));
     win->Cocoa_FrameChanged();
 }