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Next big step in the event handling:

Browse Source 
* RootLayer's mouse event processing is now at its minimum - the
  EventDispatcher handles them now. As a result, a window will now
  get only one message per event.
* RootLayer adds "_view_token" to mouse moved messages that specify
  the view currently under the cursor.
* There is now a mouse event layer in RootLayer that gets preferred
  when it's set - this is now used for the window moving instead of
  the previous mechanism.
* changed the previous DistributeMessage() to an UnpackMessage()
  method following Adi's suggestion.
* caveat: some things might be functionally broken in RootLayer now
  because of removing the mouse notification stuff.
* "be:transit" handling is now done completely client side by
  BWindow::_SanitizeMessage(() (similar to what the input_server does).
  This should also make the mechanism pretty robust, since every
  B_MOUSE_MOVED message can now trigger the view transit (in case a
  message is lost). B_WINDOW_ACTIVATED messages should be generated
  client side as well.
* renamed AS_LAYER_GET_MOUSE_COORDS to AS_GET_MOUSE as it's not a
  layer specific command, and also gets the mouse buttons.
* B_MOUSE_* messages from the up server now contain only a "screen_where"
  field; "where" (in window's coordinates) and "be:view_where" are
  added in BMessage::_SanitizeMessage().
* messages that don't have a valid target in the looper are now
  dropped instead of being sent to the looper - this should be done
  in BLooper as well, though.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15087 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2005-11-23 15:17:58 +00:00
parent 8196fa8da4
commit 6450b76dd4
11 changed files with 322 additions and 453 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/kits/interface/View.cpp
+3 -7
View File
@@ -1353,12 +1353,9 @@ BView::GetMouse(BPoint *location, uint32 *buttons, bool checkMessageQueue)
case B_MOUSE_UP:
case B_MOUSE_DOWN:
case B_MOUSE_MOVED:
{
msg->FindPoint("where", location);
msg->FindPoint("screen_where", location);
msg->FindInt32("buttons", (int32 *)buttons);
// ToDo: the "where" coordinates are screen coordinates
// unlike R5 - this might break applications!
ConvertFromScreen(location);
queue->RemoveMessage(msg);
@@ -1366,7 +1363,6 @@ BView::GetMouse(BPoint *location, uint32 *buttons, bool checkMessageQueue)
queue->Unlock();
return;
}
}
}
queue->Unlock();
@@ -1375,8 +1371,8 @@ BView::GetMouse(BPoint *location, uint32 *buttons, bool checkMessageQueue)
// If no mouse update message has been found in the message queue,
// we get the current mouse location and buttons from the app_server
fOwner->fLink->StartMessage(AS_LAYER_GET_MOUSE_COORDS);
fOwner->fLink->StartMessage(AS_GET_MOUSE);
int32 code;
if (fOwner->fLink->FlushWithReply(code) == B_OK
&& code == SERVER_TRUE) {