adapting to init pattern

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67887 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/cocoa/nonownedwnd.mm

@@ -271,7 +271,7 @@ extern int wxOSXGetIdFromSelector(SEL action );
 
 - (id) init
 {
-    [super init];
+    self = [super init];
     return self;
 }
 

src/osx/cocoa/notebook.mm

@@ -49,7 +49,7 @@
 
 - (id) init
 {
-    [super init];
+    self = [super init];
     return self;
 }
 

src/osx/cocoa/slider.mm

@@ -90,6 +90,13 @@ wxWidgetImplType* wxWidgetImpl::CreateSlider( wxWindowMac* wxpeer,
                                     long WXUNUSED(extraStyle))
 {
     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
+    if ( size == wxDefaultSize )
+    {
+        if ( style & wxSL_VERTICAL )
+            r.size.height = r.size.width * 2;
+        else
+            r.size.width = r.size.height * 2;
+    }
     wxNSSlider* v = [[wxNSSlider alloc] initWithFrame:r];
 
     int tickMarks = 0;

src/osx/cocoa/toolbar.mm

@@ -324,7 +324,7 @@ private:
 
 - (id)initWithItemIdentifier: (NSString*) identifier
 {
-    [super initWithItemIdentifier:identifier];
+    self = [super initWithItemIdentifier:identifier];
     impl = NULL;
     [self setTarget: self];
     [self setAction: @selector(clickedAction:)];
@@ -413,7 +413,7 @@ private:
 
 - (id)initWithFrame:(NSRect)frame
 {
-    [super initWithFrame:frame];
+    self = [super initWithFrame:frame];
     impl = NULL;
     [self setTarget: self];
     [self setAction: @selector(clickedAction:)];

src/osx/cocoa/window.mm

@@ -1444,7 +1444,7 @@ void wxWidgetCocoaImpl::SetVisibility( bool visible )
 
 - (id)init:(wxWindow *)win
 {
-    [super init];
+    self = [super init];
 
     m_win = win;
     m_isDone = false;