[Qt-interest] An UI problem (bug?) encountered in running example application cross compiled by Qt embedded

AKS aungkyas at gmail.com
Fri Apr 29 01:34:46 CEST 2011


Hi Atlant and Jason

Thanks for replies. I think I have two issues, first is the keyboard
that said it has permission problems for /dev/tty0, after googling
for similar error others have encountered, I saw the suggestion
to export QWS_KEYBOARD as usb. So I exported before I tried
to launch qt embedded application again. But still what I typed in
did not go into the mainwindow/application but in terminal window.

Next issue is the mouse, I am rebuilding embedded qt framework
with -qt-mouse-pc configuration again and will see that mouse
issue still persist. Thanks anyway and cheers!

On 4/28/11, Atlant Schmidt <aschmidt at dekaresearch.com> wrote:
> Jason:
>
>> Sounds like your app ran, painted itself, and immediately exited?
>
>   They said they launched the app:
>
>> ...by launching $application/application -qws the windows popped up...
>
>   so if the app exited, wouldn't it having taken the QWS
>   (Qt Window Server) with it? There shouldn't have been
>   anything left to display a dragging mouse cursor.
>
>                        Atlant
>
>
> -----Original Message-----
> From: qt-interest-bounces+aschmidt=dekaresearch.com at qt.nokia.com
> [mailto:qt-interest-bounces+aschmidt=dekaresearch.com at qt.nokia.com] On
> Behalf Of Jason H
> Sent: Thursday, April 28, 2011 08:42
> To: aungkyas at gmail.com; qt-interest at qt.nokia.com
> Subject: Re: [Qt-interest] An UI problem (bug?) encountered in running
> example application cross compiled by Qt embedded
>
> Sounds like your app ran, painted itself, and immediately exited?
>
>
>
> ----- Original Message ----
> From: AKS <aungkyas at gmail.com>
> To: qt-interest at qt.nokia.com
> Sent: Thu, April 28, 2011 12:09:44 AM
> Subject: [Qt-interest] An UI problem (bug?) encountered in running example
> application cross compiled by Qt embedded
>
> Hi
>
> I am working on a Qt project on Ubuntu 10.10 running on ARM core TI OMAP
> platform. So I build Qt framework for embedded platform and also deployed
> the main window example applications: application, mdi, menus, sdi, etc..
>
> I found out that when I launched example GUI application which I cross
> compiled
> on target platform by launching $application/application -qws the
> windows popped
> up but when I moved the mouse (on target platform) windows got erased
> as if it is
> running Microsoft paint brush, that means it just wiped out the video
> memory.
> My Qt embedded was configured with following options
>
> -prefix-install -depths 16 -no-mmx -no-3dnow -no-sse -no-sse2 -no-glib
> -no-cups
> -no-largefile -no-accessibility -no-openssl -no-qt3support -no-webkit
> -no-javascript-jit
>
> Has anyone encountered the same? I will be glad to learn your experiences on
> ARM
> platforms in general OMAP in particular. Thanks!
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