From e46b225479d104af04eb3b0153cc8b08503f9484 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Axel=20D=C3=B6rfler?= <axeld@pinc-software.de>
Date: Mon, 20 Aug 2007 22:51:46 +0000
Subject: [PATCH] The server is too fast sending the messages; we now filter
 out old mouse events client side in case B_NO_POINTER_HISTORY is set. This
 fixes bug #1415.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22021 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/kits/interface/Window.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/kits/interface/Window.cpp b/src/kits/interface/Window.cpp
index 4d3a05def7..ed50817fc2 100644
--- a/src/kits/interface/Window.cpp
+++ b/src/kits/interface/Window.cpp
@@ -1042,6 +1042,22 @@ FrameMoved(origin);
 		case B_MOUSE_MOVED:
 		{
 			if (BView *view = dynamic_cast<BView *>(target)) {
+				if (view->fEventOptions & B_NO_POINTER_HISTORY) {
+					// filter out older mouse moved messages in the queue
+					_DequeueAll();
+					BMessageQueue *queue = MessageQueue();
+					queue->Lock();
+
+					BMessage *moved;
+					for (int32 i = 0; (moved = queue->FindMessage(i)) != NULL; i++) {
+						if (moved != msg && moved->what == B_MOUSE_MOVED) {
+							queue->Unlock();
+							return;
+						}
+					}
+					queue->Unlock();
+				}
+
 				BPoint where;
 				uint32 buttons;
 				uint32 transit;