[UI] Modality and hanging UI [was: Re: Transcript>>show: slowness.]

[Gary Chambers]

The UIEnhacements provides for modality...

> -----Original Message-----
> From: ui-bounces at lists.squeakfoundation.org 
> [mailto:ui-bounces at lists.squeakfoundation.org] On Behalf Of 
> Igor Stasenko
> Sent: 09 September 2007 11:24 pm
> To: Squeak's User Interface
> Subject: [UI] Modality and hanging UI [was: Re: 
> Transcript>>show: slowness.]
> 
> 
> There is a good mechanism missing in current morphic code - a 
> modality. Because everything is modeless, its impossible to 
> disable some
> morph(s) until some other will not return. Or at least 
> prevent it from receiving any events from user.
> 
> As in case of MC, a good way would be: when i pressing 
> 'Load', a window becomes gray (disabled), so i can't press 
> anything , only move it, and progress bar appears showing 
> downloading/installing progress (with cancel button). 
> Canceling in progress bar can be done easily - if we using 
> separate process which progress we showing, then 'cancel' 
> action could simply terminate this process and then execute 
> clean-up code, which can be provided as well.
> 
> Meanwhile, while MC window is disabled i should be able to do 
> anything else i like: browsing/coding/chatting.. Why user 
> must wait for completion of single operation, when he can 
> spend his time more productive?
> 
> On 10/09/2007, Gary Chambers <gazzaguru2 at btinternet.com> wrote:
> > Not just the obvious cases. I don't like the way that 
> "popup menus", 
> > in general, co-opt the event mechanism.
> >
> > > -----Original Message-----
> > > From: ui-bounces at lists.squeakfoundation.org
> > > [mailto:ui-bounces at lists.squeakfoundation.org] On Behalf Of Igor 
> > > Stasenko
> > > Sent: 09 September 2007 10:59 pm
> > > To: Squeak's User Interface
> > > Subject: Re: [UI] Re: Transcript>>show: slowness.
> > >
> > >
> > > Just think about it: hang UI is simply scares off 
> potential users. 
> > > "I pressed something and now its not responsible..."
> > > - what is first reaction of user in such situation?
> > > He makes a right conclusion, that program is malfunction, 
> or he is 
> > > doing something wrong, or there a bug. He can suppose 
> anything , and 
> > > less probably that 'i must wait until command complete'.
> > >
> > > Here is a small fix, which makes me happy with Transcript 
> (i removed
> > > #refreshWorld) . We may use it or not and stay with UI 
> > > inconsistencies and defend them to the death.
> > >
> > > But in general, i'd like all senders of #refreshWorld to 
> be reviewed 
> > > because this indicates that something wrong with code, 
> which using 
> > > it, which requires immediate world update.
> > >
> >
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> >
> 
> 
> -- 
> Best regards,
> Igor Stasenko AKA sig. _______________________________________________
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