Apply modified patch to support windows native event handling

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@20785 72102866-910b-0410-8b05-ffd578937521

Source/unix/GSRunLoopWatcher.m

@@ -0,0 +1,45 @@
+#include "config.h"
+
+#include "GNUstepBase/preface.h"
+#include "GNUstepBase/GSRunLoopWatcher.h"
+#include <Foundation/NSException.h>
+#include <Foundation/NSPort.h>
+
+SEL	eventSel;	/* Initialized in [NSRunLoop +initialize] */
+
+@implementation	GSRunLoopWatcher
+
+- (void) dealloc
+{
+  RELEASE(_date);
+  [super dealloc];
+}
+
+- (id) initWithType: (RunLoopEventType)aType
+	   receiver: (id)anObj
+	       data: (void*)item
+{
+  _invalidated = NO;
+
+  switch (aType)
+    {
+      case ET_EDESC: 	type = aType;	break;
+      case ET_RDESC: 	type = aType;	break;
+      case ET_WDESC: 	type = aType;	break;
+      case ET_RPORT: 	type = aType;	break;
+      default: 
+	[NSException raise: NSInvalidArgumentException
+		    format: @"NSRunLoop - unknown event type"];
+    }
+  receiver = anObj;
+  if ([receiver respondsToSelector: eventSel] == YES) 
+    handleEvent = [receiver methodForSelector: eventSel];
+  else
+    [NSException raise: NSInvalidArgumentException
+		format: @"RunLoop listener has no event handling method"];
+  data = item;
+  return self;
+}
+
+@end
+