Re: How to find a window under the cursor
Re: How to find a window under the cursor
- Subject: Re: How to find a window under the cursor
- From: Jiri Volejnik <email@hidden>
- Date: Sat, 3 Dec 2005 02:36:12 +0100
On Dec 2, 2005, at 16:48, Cybereer wrote:
Actually, I did mean mouseEntered that should be called for both
foreground and background apps, not mouseMoved that only works when
your app is active.
However, there seems to be a bug (at least in Tiger), so that
mouseEntered never gets called regardless. The workaround is to
override -sendEvent: of NSApplication and track NSMouseEnterd there.
As far as I can understand the documentation, if one wants mouseEntered
to be sent to the view, he has to set tracking rectangle properly, and
the view has to be the first responder in the key window.
Anyway, thank you very much for the tip with overriding NSApplication's
sendEvent, it seems it can probably help me!
Still I wonder if there is a way how to find a window under the cursor
in Cocoa. Nobody knows?
Regards,
Jiri
On Dec 1, 2005, at 6:00 PM, Jiri Volejnik wrote:
On Dec 1, 2005, at 22:31, Cybereer wrote:
Are you trying to find windows of other apps?
No, I don't.
If true, you could do a hit test for all onscreen windows. For
windows of your own app, all you have to do is to call
setAcceptsMouseMovedEvents and track the mouse enter by overriding
-mouseEntered: method which works for background window.
You probably mean -mouseMoved:, not mouseEntered: message.
Tracking mouseMoved events works fine for me, there is no problem.
But it tells me nothing about the window under the cursor! Events
passed to mouseMoved: method contain a pointer to the main window,
not the window under the cursor, as I already mentioned. If you move
the cursor out of your window, or if you move it to another window of
your app, by sending -window to the event you still get only a
pointer to the main window! The message hitTest: works well, but one
have to send it to the view of the right window, otherwise he can
easily get nonsense, as the window may be overlapped by a floating
panel, for example.
Regards,
Jiri
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