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From "Roger L. Whitcomb" <Roger.Whitc...@ingres.com>
Subject RE: Question about mouse location
Date Wed, 15 Jun 2011 15:59:04 GMT
What I'm trying to do is change the mouse to a wait cursor when the user presses the Enter
key or the "OK" button is clicked with the mouse.  In this particular case, there is a slight
but noticeable delay for the operation to happen, so I'd like to have the user feedback of
a wait cursor during this time.  I have implemented all this stuff in the "previewDialogClose"
method of the DialogStateListener.  So, I have to find the component that the mouse is currently
positioned over in order to do the capture and change the cursor.  In the case of user clicking
with the mouse on "OK" this is fine, but in the Enter key case, the mouse could be pretty
much anywhere so I have to go looking for the component the mouse is over and it appears not
to be over any component, so the capture can't be done and the wait cursor never gets set.
 So, the fail case is this:
- User clicks on a button or link button to bring up a dialog, which opens covering up the
original button in the owner window.
- Without moving the mouse, user starts to type something in a dialog field and presses Enter
to initiate the operation (which will close the dialog if successful).
- Wait cursor would like to come up but I can't find any component for which "isMouseOver()"
is true, so capture doesn't work.

Is that clear enough?  I can do a screen cam movie if you want to demonstrate the use case.

But, I imagine (although I haven't tested this), based on what you're saying, that if I were
to set a custom mouse cursor on a component in this same scenario that the cursor wouldn't
change correctly when the dialog comes up (or goes away) until the mouse was moved again.


-----Original Message-----
From: Greg Brown [mailto:gk_brown@verizon.net]
Sent: Wed 6/15/2011 8:39 AM
To: user@pivot.apache.org
Subject: Re: Question about mouse location
It's a pretty deep issue. The reverse is also true - when you close a dialog, the mouse pointer
is not updated either.

Can you help me understand the use case a little better? You press a button which opens a
dialog, and the mouse becomes positioned over a new component that is a child of the Dialog.
Is this component's cursor (or the cursor of one of its ancestors) set to the busy cursor?

On Jun 15, 2011, at 11:31 AM, Roger L. Whitcomb wrote:

> In other words, I would like it to work at some point, but it is not urgent.  I can look
at it also if that would help.
> ~Roger
> -----Original Message-----
> From: Roger and Beth Whitcomb [mailto:RogerandBeth@rbwhitcomb.com]
> Sent: Tue 6/14/2011 6:24 PM
> To: user@pivot.apache.org
> Subject: Re: Question about mouse location
> Well, currently the only implication is that I don't get a wait cursor
> when I hit the Enter key on my dialog if the mouse hasn't moved.  So,
> not a real big deal.
> ~Roger
> On 6/14/11 5:52 PM, Greg Brown wrote:
> > Actually, it is supposed to work as you describe.
> > TerraDialogSkin#windowOpened() calls reenterMouse() on the display,
> > which should trigger a mouse over on the current component. However,
> > after stepping through the code, I see a number of reasons why this
> > does not happen. I'm not sure yet what the right solution might be.
> >
> > How big of an issue is this for you?
> >
> > G
> >
> > On Jun 14, 2011, at 6:53 PM, Roger L. Whitcomb wrote:
> >
> >> Question: if I have a button (for instance) which when pressed opens
> >> a dialog such that this dialog is positioned right where the button
> >> is, so that it obscures the button, should there be any component on
> >> the new dialog that has "isMouseOver()" true (without moving the
> >> mouse after the dialog opens)?  It seems like there isn't any until
> >> the mouse moves, although I haven't conclusively proven that.  But,
> >> should the dialog/window "open" trigger a pseudo-mouse move so that
> >> the component now under the mouse has its "mouseLocation" set?  Or am
> >> I asking too much??  Thanks.
> >> *Roger Whitcomb*
> >> Architect, Engineering
> >> *Ingres Corporation***
> >> roger.whitcomb@ingres.com <mailto:roger.whitcomb@ingres.com>
> >> *PHONE*+1 650.587.5596
> >> *FAX*+1 650.587.5550
> >> *www.ingres.com* <http://www.ingres.com/>
> >> This transmission is confidential and intended solely for the use of
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