From 2ec5dba3944805b06621cf11eb1f54948f85cdaa Mon Sep 17 00:00:00 2001
From: Stefan Csomor <csomor@advancedconcepts.ch>
Date: Wed, 12 Jun 2013 21:23:45 +0000
Subject: [PATCH] quite ugly workaround, but even the engineers at WWDC
 couldn't give me a better alternative, fixes #14968

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74189 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/osx/cocoa/radiobut.mm | 89 ++++++++++++++++++++++++++++++++++++++-
 src/osx/cocoa/window.mm   | 13 +++---
 2 files changed, 95 insertions(+), 7 deletions(-)

diff --git a/src/osx/cocoa/radiobut.mm b/src/osx/cocoa/radiobut.mm
index c0cc382822..e1bc623607 100644
--- a/src/osx/cocoa/radiobut.mm
+++ b/src/osx/cocoa/radiobut.mm
@@ -16,6 +16,87 @@
 #include "wx/radiobut.h"
 #include "wx/osx/private.h"
 
+// ugly workaround for the fact that since 10.8 is treating all subviews of a view
+// which share the same action selector as a group and sets their value automatically
+// so we are creating <maxAlternateActions> different selectors and iterate through them
+// as we are assigning their selectors as actions
+
+#include <objc/objc-runtime.h>
+
+const int maxAlternateActions = 100;
+NSString* alternateActionsSelector = @"controlAction%d:";
+
+extern void wxOSX_controlAction(NSView* self, SEL _cmd, id sender);
+
+@interface wxNSRadioButton : NSButton
+{
+    NSTrackingRectTag rectTag;
+}
+
+@end
+
+@implementation wxNSRadioButton
++ (void)initialize
+{
+    static BOOL initialized = NO;
+    if (!initialized)
+    {
+        initialized = YES;
+        wxOSXCocoaClassAddWXMethods( self );
+        for ( int i = 1 ; i <= maxAlternateActions ; i++ )
+        {
+            class_addMethod(self, NSSelectorFromString([NSString stringWithFormat: alternateActionsSelector, i]), (IMP) wxOSX_controlAction, "v@:@" );
+        }
+    }
+}
+
+- (void) setState: (NSInteger) v
+{
+    [super setState:v];
+    //    [[self cell] setState:v];
+}
+
+- (int) intValue
+{
+    switch ( [self state] )
+    {
+        case NSOnState:
+            return 1;
+        case NSMixedState:
+            return 2;
+        default:
+            return 0;
+    }
+}
+
+- (void) setIntValue: (int) v
+{
+    switch( v )
+    {
+        case 2:
+            [self setState:NSMixedState];
+            break;
+        case 1:
+            [self setState:NSOnState];
+            break;
+        default :
+            [self setState:NSOffState];
+            break;
+    }
+}
+
+- (void) setTrackingTag: (NSTrackingRectTag)tag
+{
+    rectTag = tag;
+}
+
+- (NSTrackingRectTag) trackingTag
+{
+    return rectTag;
+}
+
+@end
+
 wxWidgetImplType* wxWidgetImpl::CreateRadioButton( wxWindowMac* wxpeer,
                                     wxWindowMac* WXUNUSED(parent),
                                     wxWindowID WXUNUSED(id),
@@ -26,10 +107,16 @@ wxWidgetImplType* wxWidgetImpl::CreateRadioButton( wxWindowMac* wxpeer,
                                     long WXUNUSED(extraStyle))
 {
     NSRect r = wxOSXGetFrameForControl( wxpeer, pos , size ) ;
-    wxNSButton* v = [[wxNSButton alloc] initWithFrame:r];
+    wxNSRadioButton* v = [[wxNSRadioButton alloc] initWithFrame:r];
 
     [v setButtonType:NSRadioButton];
 
+    static int alternateAction = 1;
+ 
+    [v setAction: NSSelectorFromString([NSString stringWithFormat: alternateActionsSelector, alternateAction])];
+    if ( ++alternateAction > maxAlternateActions )
+        alternateAction = 1;
+
     wxWidgetCocoaImpl* c = new wxWidgetCocoaImpl( wxpeer, v );
     return c;
 }
diff --git a/src/osx/cocoa/window.mm b/src/osx/cocoa/window.mm
index 0f48ef7888..8580b52b5b 100644
--- a/src/osx/cocoa/window.mm
+++ b/src/osx/cocoa/window.mm
@@ -1185,11 +1185,6 @@ bool wxWidgetCocoaImpl::performDragOperation(void* s, WXWidget WXUNUSED(slf), vo
     return result != wxDragNone;
 }
 
-typedef void (*wxOSX_TextEventHandlerPtr)(NSView* self, SEL _cmd, NSString *event);
-typedef void (*wxOSX_EventHandlerPtr)(NSView* self, SEL _cmd, NSEvent *event);
-typedef BOOL (*wxOSX_PerformKeyEventHandlerPtr)(NSView* self, SEL _cmd, NSEvent *event);
-typedef BOOL (*wxOSX_FocusHandlerPtr)(NSView* self, SEL _cmd);
-
 void wxWidgetCocoaImpl::mouseEvent(WX_NSEvent event, WXWidget slf, void *_cmd)
 {
     // we are getting moved events for all windows in the hierarchy, not something wx expects
@@ -2524,7 +2519,13 @@ void wxWidgetCocoaImpl::InstallEventHandler( WXWidget control )
     if ([c respondsToSelector:@selector(setAction:)])
     {
         [c setTarget: c];
-        [c setAction: @selector(controlAction:)];
+        if ( dynamic_cast<wxRadioButton*>(GetWXPeer()) )
+        {
+            // everything already set up
+        }
+        else
+            [c setAction: @selector(controlAction:)];
+        
         if ([c respondsToSelector:@selector(setDoubleAction:)])
         {
             [c setDoubleAction: @selector(controlDoubleAction:)];
-- 
2.47.2