[maemo-developers] How to get kinetic scrolling working using Qt creator

[From: Daniil Ivanov]

Hi Sudheer!

  Make sure (with dpkg -l "libqt4*") that you are using Qt >= 4.6.2.

Thanks, Daniil.

On Sun, Jun 6, 2010 at 11:43 AM, Ram Kurvakat <rkmaemo at gmx.com> wrote:
> just a quick example that would work, see if it helps.
>
>     imageLabel = new QLabel;
>
>     QImage image(someimagefile);
>
>     imageLabel->setPixmap(QPixmap::fromImage(image));
>
>     _scrollForMapPage = new QScrollArea;
>
>     _scrollForMapPage->setWidget(imageLabel);
>
>     _mapWindow = new QMainWindow ( this );
>
>     _mapWindow->setCentralWidget(_scrollForMapPage);
>
>     _mapWindow->show();
>
> you dont need to set any property as Daniil set most widgets have kinetic
> scrolling by default like ListWidget/TableWidget/ScrollArea.
> cheers
> -krk969
>
> ----- Original Message -----
>
> From: Sudheer K.
>
> Sent: 06/06/10 05:08 AM
>
> To: felipe at crochik.com, daniil.ivanov at gmail.com
>
> Subject: RE: How to get kinetic scrolling working using Qt creator
>
> Anyone know of any applications that are using Qt Creator (.ui files) and
> were successful in implementing kinetic scrolling? Maybe I can look at the
> forms to see what I am doing wrong here.
>
> Thanks,
> Sudheer
> ________________________________
> From: scifi.guy at hotmail.com
> To: felipe at crochik.com; daniil.ivanov at gmail.com
> CC: maemo-developers at maemo.org
> Subject: RE: How to get kinetic scrolling working using Qt creator
> Date: Sat, 5 Jun 2010 20:57:38 -0700
>
>
> Yes, I am compiling on FREMANTLE_ARMEL and copying to device and testing it
> :)
>
> Another thing is I can display the scrollbar using "verticalscrollbarpolicy"
> but it doesn't actually scroll anything.
> ________________________________
> From: felipe at crochik.com
> To: scifi.guy at hotmail.com; daniil.ivanov at gmail.com
> CC: maemo-developers at maemo.org
> Subject: RE: How to get kinetic scrolling working using Qt creator
> Date: Sat, 5 Jun 2010 23:52:45 -0400
>
> One silly question: are you trying it on the actual device? It won't work on
> the simulator or if you compile for the desktop.
>
> ----- Original message -----
>>
>> Hi Daniil,
>>
>> I could not get the scrolling to work by using QScrollArea, even after
>> removing the FingerScrollable property. Any suggestions on what I should
>> change?
>>
>> I have tried setting "WidgetResizable" to true on QScrollArea, still
>> scrolling does not work.
>>
>> If it matters, there are sizes I have set in my form.
>>
>>  ConfigWindow (QMainWindow) - 800 x 480
>>  centralWidget (QWidget) - 800 x 457
>>  scrollArea (QScrollArea) - 800 x 550
>>  scrollAreaWidgetContents (QWidget) - 798 x 548 (this can not be
>> modified).
>>
>> All the examples I have seen (even on Qt site) use custom code to create
>> QWidget or QWindow. But I am using Qt creator to create the form and I
>> couldn't find much help.
>>
>>
>> > Date: Sat, 5 Jun 2010 21:52:29 +0300
>> > Subject: Re: How to get kinetic scrolling working using Qt creator
>> > From: daniil.ivanov at gmail.com
>> > To: scifi.guy at hotmail.com
>> > CC: maemo-developers at maemo.org
>> >
>> > Hi Sudheer!
>> >
>> > There is no such property as FingerScrollable and kinetic srolling
>> > is enabled by default for QScrollArea
>> >
>> > http://doc.qt.nokia.com/qt-maemo-4.6/qabstractkineticscroller.html#details
>> >
>> > Thanks, Daniil.
>> >
>> > On Sat, Jun 5, 2010 at 8:10 PM, Sudheer K. <scifi.guy at hotmail.com>
>> > wrote:
>> > > Hi All,
>> > >
>> > > I have created a QScrollArea to a QMainWindow in a form using Qt
>> > > Creator. I have set the dynamic property "FingerScrollable" to true
>> > > (bool) for QMainWindow, QScrollArea and the contents of QScrollArea.
>> > >
>> > > This is the structure of my form objects in the format objectname
>> > > (ClassName):
>> > >
>> > > ConfigWindow (QMainWindow) --> centralWidget (QWidget) --> scrollArea
>> > > (QScrollArea) --> scrollAreaWidgetContents (QWidget) -->groupBox
>> > > (QGroupBox).
>> > >
>> > > I have set the "FingerScrollable" property to true for all these
>> > > objects. But still I am not able to get kinetic scrolling working
>> > > for the form.  Am I missing something?
>> > > ________________________________
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>> > >
>> > >
>>
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