Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2024-12-04 11:26:09 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Bug 297080. Mouse exit events from top-level windows should always be treated as exit events even if the cursor is still within window bounds (it must have moved into an on-top window). r+sr=bzbarsky,a=bsmedberg

Browse Source
This commit is contained in:
roc+%cs.cmu.edu 2005-07-17 21:50:56 +00:00
parent b18f5dca93
commit 67a0394d02
1 changed files with 23 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
content/events/src/nsEventStateManager.cpp
View File

@ -451,19 +451,29 @@ nsEventStateManager::PreHandleEvent(nsPresContext* aPresContext,
break;
case NS_MOUSE_EXIT:
// If the event coordinate is within the bounds of the view,
// then it's not really an exit --- we may have traversed
// widget boundaries but we're still in our toplevel window.
if ((aView->GetBounds() - aView->GetPosition()).Contains(aEvent->point)) {
// treat it as a move so we don't generate spurious "exit"
// events Any necessary exit events will be generated by
// GenerateMouseEnterExit
aEvent->message = NS_MOUSE_MOVE;
// then fall through...
} else {
GenerateMouseEnterExit((nsGUIEvent*)aEvent);
//This is a window level mouse exit event and should stop here
aEvent->message = 0;
break;
// and this is not the top-level window, then it's not really
// an exit --- we may have traversed widget boundaries but
// we're still in our toplevel window.
// On the other hand, if we exit a toplevel window, then
// it's really an exit even if the mouse is still in the
// window bounds --- the mouse probably moved into some
// "on top" window.
{
nsMouseEvent* mouseEvent = NS_STATIC_CAST(nsMouseEvent*, aEvent);
nsCOMPtr<nsIWidget> parentWidget = getter_AddRefs(mouseEvent->widget->GetParent());
if (parentWidget &&
(aView->GetBounds() - aView->GetPosition()).Contains(aEvent->point)) {
// treat it as a move so we don't generate spurious "exit"
// events Any necessary exit events will be generated by
// GenerateMouseEnterExit
aEvent->message = NS_MOUSE_MOVE;
// then fall through...
} else {
GenerateMouseEnterExit((nsGUIEvent*)aEvent);
//This is a window level mouse exit event and should stop here
aEvent->message = 0;
break;
}
}
case NS_MOUSE_MOVE:
// on the Mac, GenerateDragGesture() may not return until the drag