[vwnc] VW 7.6 - How do you do dynamic tool tips?

> Hi
>
> I have a view that changes the tool tip based upon the
> mouse position in the view. I could do this with the old
> FlyByHelpTracker but I am having difficulty finding a clean
> way to do it with the new HoverHelp.
>
> Any recommendations?
>
> Terry
>  
> ===========================================================
> Terry Raymond
> Crafted Smalltalk
> 80 Lazywood Ln.
> Tiverton, RI  02878
> (401) 624-4517      [hidden email]
> <http://www.craftedsmalltalk.com>
> ===========================================================
>
>
> _______________________________________________
> vwnc mailing list
> [hidden email]
> http://lists.cs.uiuc.edu/mailman/listinfo/vwnc
>  

> Hi
>
> I have a view that changes the tool tip based upon the
> mouse position in the view. I could do this with the old
> FlyByHelpTracker but I am having difficulty finding a clean
> way to do it with the new HoverHelp.
>
> Any recommendations?
>
> Terry
>
> ===========================================================
> Terry Raymond
> Crafted Smalltalk
> 80 Lazywood Ln.
> Tiverton, RI  02878
> (401) 624-4517      [hidden email]
> <http://www.craftedsmalltalk.com>
> ===========================================================
>
>
> _______________________________________________
> vwnc mailing list
> [hidden email]
> http://lists.cs.uiuc.edu/mailman/listinfo/vwnc

> I provided an object in place of the string.  The object points back  
> to
> my application
> and can then tell what it should show.  I think I had to provide two  
> methods
>    asText
>       returns the text I want (Text or String)
>
> and (new this release)
>
>    asTooltipGraphicFor: aView
>        | txt |
>        txt := self asText.
>        txt isNull ifTrue: [^nil].
>        ^txt asTooltipGraphicFor: aView

> -----Original Message-----
> From: [hidden email] [mailto:[hidden email]] On Behalf
> Of Travis Griggs
> Sent: Thursday, June 05, 2008 1:16 PM
> To: vwnc-list NC
> Subject: Re: [vwnc] VW 7.6 - How do you do dynamic tool tips?
>
>
> On Jun 5, 2008, at 9:25 AM, Dennis Smith wrote:
>
> > I provided an object in place of the string.  The object points back
> > to
> > my application
> > and can then tell what it should show.  I think I had to provide two
> > methods
> >    asText
> >       returns the text I want (Text or String)
> >
> > and (new this release)
> >
> >    asTooltipGraphicFor: aView
> >        | txt |
> >        txt := self asText.
> >        txt isNull ifTrue: [^nil].
> >        ^txt asTooltipGraphicFor: aView
>
>
> Blocks understand this and have the VisualPart cull:'ed into it.
>
> For example:
>
> myView tooltip: [:view | (view globalPointToLocal: (InputState default
> cursorPoint - view topComponent globalOrigin)) printString ]
>
> A tooltip (untested <grin>) that should show the point that the mouse
> is at, in view relative coordinates.
>
> --
> Travis Griggs
> Objologist
> "Every institution finally perishes by an excess of its own first
> principle." - Lord Acton
>
>
>
> _______________________________________________
> vwnc mailing list
> [hidden email]
> http://lists.cs.uiuc.edu/mailman/listinfo/vwnc

> On Jun 5, 2008, at 9:25 AM, Dennis Smith wrote:
>
> > I provided an object in place of the string.  The object points back
> > to my application and can then tell what it should show.  I think
> > had to provide two methods
> >    asText
> > and (new this release)
> >    asTooltipGraphicFor: aView
>
> Blocks understand this and have the VisualPart cull:'ed into it.

> -----Original Message-----
> From: [hidden email] [mailto:[hidden email]] On Behalf
> Of Travis Griggs
> Sent: Friday, June 06, 2008 1:31 PM
> To: vwnc-list NC
> Subject: Re: [vwnc] VW 7.6 - How do you do dynamic tool tips?
>
> On Jun 5, 2008, at 10:40 AM, Terry Raymond wrote:
>
> > As I read the code, the tool tip graphic is created when the
> > widget is entered. That is not good enough. My tool tip
> > contents change depending upon where the mouse in within
> > the widget.
>
>
> The block is invoked each time the tooltip opens. Which by default is
> when the mouse comes to rest after an enter after a certain period of
> time.
>
> E.g.
>
> v := View new.
> v tooltip: [InputState default mousePoint printString].
> win := ApplicationWindow new.
> win component: v.
> win open
>
> Slide the mouse into the window and let it stop somewhere. When it
> opens, it will open with the current mouse point, not the mouse point
> that it "entered" at.
>
> I'm supposing that with the old tooltip code, you did more than just
> dynamically alter the content, but also get it to refresh by basically
> getting it to cross it's "arm->open" state again as the mouse moved
> around. Is that correct?
>
> --
> Travis Griggs
> Objologist
> 10 2 letter words: "If it is to be, it is up to me"
>
>
> _______________________________________________
> vwnc mailing list
> [hidden email]
> http://lists.cs.uiuc.edu/mailman/listinfo/vwnc

> Travis
>
> Yes, in the controller mouseMovedEvent: method I closed and
> reopened the fly-by-help window if the help text changed.
>
> Terry
>  
> ===========================================================
> Terry Raymond
> Crafted Smalltalk
> 80 Lazywood Ln.
> Tiverton, RI  02878
> (401) 624-4517      [hidden email]
> <http://www.craftedsmalltalk.com>
> ===========================================================
>
>  
>> -----Original Message-----
>> From: [hidden email] [mailto:[hidden email]] On Behalf
>> Of Travis Griggs
>> Sent: Friday, June 06, 2008 1:31 PM
>> To: vwnc-list NC
>> Subject: Re: [vwnc] VW 7.6 - How do you do dynamic tool tips?
>>
>> On Jun 5, 2008, at 10:40 AM, Terry Raymond wrote:
>>
>>    
>>> As I read the code, the tool tip graphic is created when the
>>> widget is entered. That is not good enough. My tool tip
>>> contents change depending upon where the mouse in within
>>> the widget.
>>>      
>> The block is invoked each time the tooltip opens. Which by default is
>> when the mouse comes to rest after an enter after a certain period of
>> time.
>>
>> E.g.
>>
>> v := View new.
>> v tooltip: [InputState default mousePoint printString].
>> win := ApplicationWindow new.
>> win component: v.
>> win open
>>
>> Slide the mouse into the window and let it stop somewhere. When it
>> opens, it will open with the current mouse point, not the mouse point
>> that it "entered" at.
>>
>> I'm supposing that with the old tooltip code, you did more than just
>> dynamically alter the content, but also get it to refresh by basically
>> getting it to cross it's "arm->open" state again as the mouse moved
>> around. Is that correct?
>>
>> --
>> Travis Griggs
>> Objologist
>> 10 2 letter words: "If it is to be, it is up to me"
>>
>>
>> _______________________________________________
>> vwnc mailing list
>> [hidden email]
>> http://lists.cs.uiuc.edu/mailman/listinfo/vwnc
>>    
>
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