From 876a3803df771cbc7f6f7d5bfa99c3652d7bac63 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Axel=20D=C3=B6rfler?= <axeld@pinc-software.de>
Date: Wed, 23 Nov 2005 11:27:09 +0000
Subject: [PATCH] * removed adding "be:transit" stuff in the EventDispatcher -
 this is now only done   client side (or will be, with the next commit). *
 added GetMouse() functionality.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15084 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/servers/app/EventDispatcher.cpp | 57 ++++++++++++++++++-----------
 src/servers/app/EventDispatcher.h   |  7 +++-
 2 files changed, 40 insertions(+), 24 deletions(-)

diff --git a/src/servers/app/EventDispatcher.cpp b/src/servers/app/EventDispatcher.cpp
index 737aafa182..174c1e8d4d 100644
--- a/src/servers/app/EventDispatcher.cpp
+++ b/src/servers/app/EventDispatcher.cpp
@@ -398,6 +398,16 @@ EventDispatcher::SetKeyboardFilter(BMessageFilter* filter)
 }
 
 
+void
+EventDispatcher::GetMouse(BPoint& where, int32& buttons)
+{
+	BAutolock _(this);
+
+	where = fLastCursorPosition;
+	buttons = fLastButtons;
+}
+
+
 bool
 EventDispatcher::HasCursorThread()
 {
@@ -448,21 +458,6 @@ EventDispatcher::_SendMessage(BMessenger& messenger, BMessage* message,
 }
 
 
-void
-EventDispatcher::_SetTransit(BMessage* message, int32 transit)
-{
-	if (message->ReplaceInt32("be:transit", transit) != B_OK)
-		message->AddInt32("be:transit", transit);
-}
-
-
-void
-EventDispatcher::_UnsetTransit(BMessage* message)
-{
-	message->RemoveName("be:transit");
-}
-
-
 bool
 EventDispatcher::_AddTokens(BMessage* message, BList& tokens)
 {
@@ -532,6 +527,7 @@ EventDispatcher::_EventLoop()
 
 		switch (event->what) {
 			case B_MOUSE_MOVED:
+			{
 				if (!HasCursorThread()) {
 					// there is no cursor thread, we need to move the cursor ourselves
 					BAutolock _(fCursorLock);
@@ -545,7 +541,6 @@ EventDispatcher::_EventLoop()
 					// target has changed, we need to add the be:transit field
 					// to the message
 					if (fHasLastFocus) {
-						_SetTransit(event, B_EXITED_VIEW);
 						addedTokens = _AddTokens(event, fLastFocusTokens);
 						_SendMessage(fLastFocus, event, kMouseTransitImportance);
 						sendToLastFocus = true;
@@ -554,13 +549,17 @@ EventDispatcher::_EventLoop()
 						fHasLastFocus = false;
 						fLastFocusTokens.MakeEmpty();
 					}
-					if (fHasFocus)
-						_SetTransit(event, B_ENTERED_VIEW);
 
 					fTransit = false;
 					addedTransit = true;
 				}
+
+				BPoint where;
+				if (event->FindPoint("where", &where) == B_OK)
+					fLastCursorPosition = where;
+
 				// supposed to fall through
+			}
 			case B_MOUSE_DOWN:
 			case B_MOUSE_UP:
 				if (fMouseFilter != NULL
@@ -574,6 +573,17 @@ EventDispatcher::_EventLoop()
 					break;
 				}
 
+				int32 buttons;
+				if (event->FindInt32("buttons", &buttons) == B_OK)
+					fLastButtons = buttons;
+				else
+					fLastButtons = 0;
+
+				// the "where" field will be filled in by the receiver
+				// (it's supposed to be expressed in local window coordinates)
+				event->RemoveName("where");
+				event->AddPoint("screen_where", fLastCursorPosition);
+
 				pointerEvent = true;
 
 				if (fHasFocus) {
@@ -617,12 +627,15 @@ EventDispatcher::_EventLoop()
 		if (keyboardEvent || pointerEvent) {
 			// send the event to the additional listeners
 
-			if (addedTransit) {
-				_UnsetTransit(event);
+			if (addedTokens) {
+				_RemoveTokens(event);
 				_UnsetFeedFocus(event);
 			}
-			if (addedTokens)
-				_RemoveTokens(event);
+			if (pointerEvent) {
+				// this is added in the RootLayer mouse processing
+				// but it's only intended for the focus view
+				event->RemoveName("_view_token");
+			}
 
 			for (int32 i = fListeners.CountItems(); i-- > 0;) {
 				event_target* target = fListeners.ItemAt(i);
diff --git a/src/servers/app/EventDispatcher.h b/src/servers/app/EventDispatcher.h
index b20688539e..fc4a80dc6c 100644
--- a/src/servers/app/EventDispatcher.h
+++ b/src/servers/app/EventDispatcher.h
@@ -39,6 +39,8 @@ class EventDispatcher : public BLocker {
 		void SetMouseFilter(BMessageFilter* filter);
 		void SetKeyboardFilter(BMessageFilter* filter);
 
+		void GetMouse(BPoint& where, int32& buttons);
+
 		bool HasCursorThread();
 		void SetHWInterface(HWInterface* interface);
 
@@ -50,8 +52,6 @@ class EventDispatcher : public BLocker {
 
 		bool _SendMessage(BMessenger& messenger, BMessage* message, float importance);
 
-		void _SetTransit(BMessage* message, int32 transit);
-		void _UnsetTransit(BMessage* message);
 		bool _AddTokens(BMessage* message, BList& tokens);
 		void _RemoveTokens(BMessage* message);
 		void _SetToken(BMessage* message, int32 token);
@@ -90,6 +90,9 @@ class EventDispatcher : public BLocker {
 
 		BObjectList<event_target> fListeners;
 
+		BPoint			fLastCursorPosition;
+		int32			fLastButtons;
+
 		BLocker			fCursorLock;
 		HWInterface*	fHWInterface;
 };