From e0c691d13c4bf3e537a6b1de8d69bb30f9538776 Mon Sep 17 00:00:00 2001
From: David Elliott <dfe@tgwbd.org>
Date: Mon, 8 Sep 2003 19:00:45 +0000
Subject: [PATCH] Provide target/action mechanism for subclasses to use

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@23431 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 include/wx/cocoa/NSControl.h |  5 ++++-
 src/cocoa/NSControl.mm       | 33 ++++++++++++++++++++++++++++++---
 2 files changed, 34 insertions(+), 4 deletions(-)

diff --git a/include/wx/cocoa/NSControl.h b/include/wx/cocoa/NSControl.h
index 36233401c2..92785ac86d 100644
--- a/include/wx/cocoa/NSControl.h
+++ b/include/wx/cocoa/NSControl.h
@@ -19,8 +19,11 @@ WX_DECLARE_OBJC_HASHMAP(NSControl);
 class wxCocoaNSControl
 {
     WX_DECLARE_OBJC_INTERFACE(NSControl)
-protected:
+public:
+    virtual void CocoaTarget_action() {}
 //    virtual void Cocoa_didChangeText(void) = 0;
+protected:
+    static struct objc_object *sm_cocoaTarget;
 };
 
 #endif // _WX_COCOA_NSCONTROL_H_
diff --git a/src/cocoa/NSControl.mm b/src/cocoa/NSControl.mm
index 01bd97f297..53d42d1697 100644
--- a/src/cocoa/NSControl.mm
+++ b/src/cocoa/NSControl.mm
@@ -19,12 +19,39 @@
 
 #include "wx/wxprec.h"
 #ifndef WX_PRECOMP
+    #include "wx/log.h"
 #endif // WX_PRECOMP
 
 #include "wx/cocoa/NSControl.h"
 
-// ----------------------------------------------------------------------------
-// globals
-// ----------------------------------------------------------------------------
+#import <Foundation/NSObject.h>
+
+// ============================================================================
+// @class wxNSControlTarget
+// ============================================================================
+@interface wxNSControlTarget : NSObject
+{
+}
+
+- (void)wxNSControlAction: (id)sender;
+@end //interface wxNSControlTarget
+
+@implementation wxNSControlTarget : NSObject
+
+- (void)wxNSControlAction: (id)sender
+{
+    wxLogDebug("wxNSControlAction");
+    wxCocoaNSControl *wxcontrol = wxCocoaNSControl::GetFromCocoa(sender);
+    wxCHECK_RET(wxcontrol,"wxNSControlAction received but no wxCocoaNSControl exists!");
+    wxcontrol->CocoaTarget_action();
+}
+
+@end //implementation wxNSControlTarget
+
+// ============================================================================
+// wxNSControl
+// ============================================================================
 WX_IMPLEMENT_OBJC_INTERFACE(NSControl)
 
+struct objc_object *wxCocoaNSControl::sm_cocoaTarget = [[wxNSControlTarget alloc] init];
+
-- 
2.49.0