From 4aaa5aa1008af3c44f3b505ffefd56ee9a1c3972 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20A=C3=9Fmus?= <superstippi@gmx.de>
Date: Sun, 26 Feb 2006 17:58:03 +0000
Subject: [PATCH] * added a way to retrieve the view under the mouse   via
 token

(coded by axeld)



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16518 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/servers/app/EventDispatcher.cpp | 18 ++++++++++++++++--
 src/servers/app/EventDispatcher.h   |  5 ++++-
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/src/servers/app/EventDispatcher.cpp b/src/servers/app/EventDispatcher.cpp
index 9022e8ca87..5087504046 100644
--- a/src/servers/app/EventDispatcher.cpp
+++ b/src/servers/app/EventDispatcher.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2005, Haiku, Inc. All Rights Reserved.
+ * Copyright 2005-2006, Haiku, Inc. All Rights Reserved.
  * Distributed under the terms of the MIT License.
  *
  * Authors:
@@ -216,6 +216,7 @@ EventDispatcher::EventDispatcher()
 	fThread(-1),
 	fCursorThread(-1),
 	fPreviousMouseTarget(NULL),
+	fPreviousViewToken(B_NULL_TOKEN),
 	fFocus(NULL),
 	fSuspendFocus(false),
 	fMouseFilter(NULL),
@@ -503,12 +504,24 @@ EventDispatcher::SetHWInterface(HWInterface* interface)
 }
 
 
+int32
+EventDispatcher::ViewUnderMouse(EventTarget& target)
+{
+	BAutolock _(this);
+	
+	if (&target == fPreviousMouseTarget)
+		return fPreviousViewToken;
+
+	return B_NULL_TOKEN;
+}
+
+
 void
 EventDispatcher::SetDragMessage(BMessage& message)
 {
 	printf("EventDispatcher::SetDragMessage()\n");
 
-	BAutolock _(*this);
+	BAutolock _(this);
 
 	fDragMessage = message;
 
@@ -744,6 +757,7 @@ EventDispatcher::_EventLoop()
 				}
 
 				current = fPreviousMouseTarget = mouseTarget;
+				fPreviousViewToken = viewToken;
 
 				if (current != NULL) {
 					int32 focusView = viewToken;
diff --git a/src/servers/app/EventDispatcher.h b/src/servers/app/EventDispatcher.h
index fad06667f7..fe1d17866d 100644
--- a/src/servers/app/EventDispatcher.h
+++ b/src/servers/app/EventDispatcher.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2005, Haiku, Inc. All Rights Reserved.
+ * Copyright 2005-2006, Haiku, Inc. All Rights Reserved.
  * Distributed under the terms of the MIT License.
  *
  * Authors:
@@ -84,6 +84,8 @@ class EventDispatcher : public BLocker {
 		bool HasCursorThread();
 		void SetHWInterface(HWInterface* interface);
 
+		int32 ViewUnderMouse(EventTarget& target);
+
 		void SetDragMessage(BMessage& message);
 			// the message should be delivered on the next
 			// "mouse up".
@@ -123,6 +125,7 @@ class EventDispatcher : public BLocker {
 		thread_id		fCursorThread;
 
 		EventTarget*	fPreviousMouseTarget;
+		int32			fPreviousViewToken;
 		EventTarget*	fFocus;
 		bool			fSuspendFocus;