[Interest] Touch frozen in Qt 5.15.9

Hi, We are using Qt 5.15.9 commercial license with Yocto Dunfell configuration using evdev touch plugin on IMX6 based device. Here are the exported environment variables being used: export QT_QPA_EVDEV_TOUCHSCREEN_PARAMETERS=/dev/input/event0 export QT_QPA_PLATFORM = eglfs However, touch/UI

Re: [Interest] Default stack size of QThread

Thanks for your feedback. The latter statement is correct as we are trying to solve the problem due to lack of understanding. Best Regards, Ramakanth On Wed, 30 Aug, 2023, 01:25 Thiago Macieira, wrote: > On Monday, 28 August 2023 23:34:26 PDT Ramakanth Kesireddy wrote: > > Thanks

Re: [Interest] Default stack size of QThread

Aug, 2023, 22:37 Thiago Macieira, wrote: > On Monday, 28 August 2023 05:08:25 PDT Ramakanth Kesireddy wrote: > > Hi, > > > > We are using Qt 5.15.x through yocto Dunfell on embedded Linux. > > > > Any thoughts on default stack thread size of QThread would be great

[Interest] Default stack size of QThread

Hi, We are using Qt 5.15.x through yocto Dunfell on embedded Linux. Any thoughts on default stack thread size of QThread would be great if it would be 1-2MB. Best Regards, Ramakanth ___ Interest mailing list Interest@qt-project.org

Re: [Interest] Application stack traces are not seen using Massif with Qt debug symbols

Thanks for the feedback. Not sure yet but am able to get application stack traces on pure c++ application but not Qt though. On Fri, Aug 4, 2023 at 1:03 AM Thiago Macieira wrote: > On Thursday, 3 August 2023 09:21:26 PDT Ramakanth Kesireddy wrote: > > Thanks for the inputs.

Re: [Interest] Application stack traces are not seen using Massif with Qt debug symbols

023 09:46:54 PDT Ramakanth Kesireddy wrote: > > ok..Does it mean installTranslator() is not invoked in the main thread? > > That's what your backtrace says: > > > #9 0x75f8966e in QCoreApplication::installTranslator > > (translationFile=) at kernel/qco

Re: [Interest] Application stack traces are not seen using Massif with Qt debug symbols

ok..Does it mean installTranslator() is not invoked in the main thread? Thanks and Regards, Ramakanth On Wed, Aug 2, 2023 at 9:17 PM Thiago Macieira wrote: > On Tuesday, 1 August 2023 21:54:47 PDT Ramakanth Kesireddy wrote: > > Am unable to locate core dump even after setting

Re: [Interest] Application stack traces are not seen using Massif with Qt debug symbols

c589 in QThreadPrivate::start (arg=0x55f73320) at thread/qthread_unix.cpp:331 #16 0x75c70609 in start_thread (arg=) at pthread_create.c:477 #17 0x75847133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 On Mon, Jul 31, 2023 at 8:59 PM Thiago Macieira wrote: >

Re: [Interest] Application stack traces are not seen using Massif with Qt debug symbols

o-zlib -qt-libjpeg -qt-libpng -system-sqlite -feature-accessibility -v Best Regards, Ramakanth On Wed, Jul 26, 2023 at 12:31 AM Thiago Macieira wrote: > On Tuesday, 25 July 2023 10:38:28 PDT Ramakanth Kesireddy wrote: > > In the massif_report.txt, no application stack traces are seen.

Re: [Interest] Application stack traces are not seen using Massif with Qt debug symbols

trace? Thanks for your inputs. On Wed, Jul 26, 2023 at 12:31 AM Thiago Macieira wrote: > On Tuesday, 25 July 2023 10:38:28 PDT Ramakanth Kesireddy wrote: > > In the massif_report.txt, no application stack traces are seen. > > > > Please let me know if am missing anything in th

[Interest] Application stack traces are not seen using Massif with Qt debug symbols

Hi, Am running Qt 5.15.8 debug version on desktop linux. Below are steps used to enable application stack traces using massif and Qt 5.15.8. 1)Building Qt 5.15.8 in Debug Mode with below configure line: ./configure -commercial -confirm-license -debug -prefix /home/install/qt5.15.8

[Interest] Qt WebGL streaming plugin Qt 5.15

Hi, Am using latest Qt 5.15 running Qt WebGL as a platform plugin with QtQuick Application. However, it runs streaming only on the remote browser but does not renders smoothly on the embedded target display. A few questions: 1)Is it feasible to render the gui both on streaming and native

[Interest] Minimal glibc version for Qt 5.15.9

Hi, Can anyone let me know the minimal glibc version for building/running Qt 5.15.9 based application? Am trying to run Qt 5.15.9 based app on x86_64 ubuntu 18.04 which comes with glibc 2.27 as it throws error like below: version GLIBC_2.29 not found as required by QtApp. Do I need to build

Re: [Interest] Sqlite Cipher in Qt 5.15.8

s also nowadays SEE... I doubt Qt has anything to offer here, >> but there is a configure switch to select to system's sqlite3 libraries. >> (One reason I've run my own I/O backend was availability of hardware >> accelerated AES through openssl on my target platform.) >&g

Re: [Interest] Sqlite Cipher in Qt 5.15.8

e switch to select to system's sqlite3 libraries. > (One reason I've run my own I/O backend was availability of hardware > accelerated AES through openssl on my target platform.) > > God speed, > Frank > > > On 11.02.22 08:14, Ramakanth Kesireddy wrote: > > Hi, > >

[Interest] Sqlite Cipher in Qt 5.15.8

Hi, The embedded database being used is sqlite3 in our Qt Quick application based out of Qt commercial Qt 5.15.8 As we intend to use encryption for the sqlite3 database, appreciate if anyone could let me know if there is any inbuilt support to use sqlite cipher in Qt SQL module or need to

[Interest] Qt 5.15 offline installers

Hi, Can you let me know if there are any offline Installer to download Qt 5.15? Hope the latest is Qt 5.15.2 Best Regards, Ramakanth ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest

[Interest] Qt creator latest version for Qt 5.15.7

Hi, Can you let me know latest Qt creator version compatible with Qt 5.15.7? Best Regards, Ramakanth ___ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest

Re: [Interest] QtQuick Templates Qt 6.2

Not sure if I get the below mail right. Can anyone let me know if there any guidelines where it requires to use Qt Quick Templates2 in Qt Quick for development of custom controls and advantages/usecases? Best Regards, Ramakanth On Mon, 10 Jan, 2022, 19:15 Ramakanth Kesireddy, wrote: >

[Interest] Minimal Cmake version for building Qt 6.x

Hi, Can anyone let me know about the minimal Cmake version in building Qt 6.2.2 sources on embedded platforms (Linux)? If am not mistaken, it requires C++ compatible compiler supporting atleast C++17 in building Qt6.x,right? Best Regards, Ramakanth

Re: [Interest] QtQuick OpenGL support in Qt 6.2

Thanks a lot.It worked. On Wed, 5 Jan, 2022, 23:16 Sérgio Martins, wrote: > On 2022-01-05 05:46, Ramakanth Kesireddy wrote: > > Hi all, > > > > I have QtQuick 2D application running on embedded device configured > > with > > eglfs( OpenGL ES2.x). > > &g

[Interest] QtQuick Templates Qt 6.2

Hi, As I would like to build user interface controls in QML using QtQuick and Qt Quick Templates 2, Can you provide guidelines or documentation on Qt Quick Templates2 similar to how Qt Quick controls2 build upon QtQuick Templates 2? Thanks and Regards, Ramakanth

[Interest] QtQuick OpenGL support in Qt 6.2

Hi all, I have QtQuick 2D application running on embedded device configured with eglfs( OpenGL ES2.x). Inorder to port the application to Qt 6.2, Does openGL support is available in Qt 6.2 when configured with eglfs or there any attribute to set so that QtQuick application works with openGL

[Interest] Qt add on modules in Qt 6.2 commercial license

Hi, Can you let me know if the Qt add on modules like Qt Location, QtQuick WebGL, Qt Speech etc shall be available for Qt 6.2 commercial license users? Best Regards, Ramakanth ___ Interest mailing list Interest@qt-project.org

Re: [Interest] Qt 5.15 LTS vs Qt 6.2 LTS

tter in this > regard. Some small application can be ported directly, but for larger > codebase it can be beneficial to take this intermediate step. > > > > Yours, > > > > Tuukka > > > > *From: *Interest on behalf of Ramakanth > Kesireddy

[Interest] Qt 5.15 LTS vs Qt 6.2 LTS

Hi, Our application on embedded linux uses Qt Quick, Qt5 sqlite, Qt5 Remote objects, Qt5 Concurrent, Qt5 Webengine, Qt5 Printsupport along with Qt5Core and Qt5GUI. As we are currently planning to upgrade to Qt 5.15 LTS, does it makes sense to move to Qt 6.2 LTS wrto stability and performance?

Re: [Interest] Qt design studio with Qt 5.15.3 commercial license

Q entry about the tools, as it > may me immediately apparent. > > > > Yours, > > > > Tuukka > > > > *From: *Ramakanth Kesireddy > *Date: *Monday, 5. July 2021 at 15.31 > *To: *Tuukka Turunen > *Cc: *Qt Interest > *Subject: *Re: [Intere

Re: [Interest] Qt design studio with Qt 5.15.3 commercial license

is part of some commercial products (packages): > https://www.qt.io/pricing > > > > If unsure how this will be for you, please contact Qt sales. > > > > Yours, > > > > Tuukka > > > > *From: *Interest on behalf of Ramakanth > K

[Interest] Qt design studio with Qt 5.15.3 commercial license

Hi, Can anyone confirm if we can use Qt design studio with Qt 5.15 commercial license or we need to procure separate license for Qt design studio? Thanks and Regards, Ramakanth ___ Interest mailing list Interest@qt-project.org

Re: [Interest] Dedicated GPU for Qt 5.15.3 QtQuick2

, Ramakanth On Wed, 30 Jun, 2021, 21:42 Ramakanth Kesireddy, wrote: > The target device is on embedded Linux with TI AM3358 chipset single core > > On Wed, 30 Jun, 2021, 21:25 Sérgio Martins, > wrote: > >> On 2021-06-30 14:51, Ramakanth Kesireddy wrote: >> > Hi

Re: [Interest] Dedicated GPU for Qt 5.15.3 QtQuick2

The target device is on embedded Linux with TI AM3358 chipset single core On Wed, 30 Jun, 2021, 21:25 Sérgio Martins, wrote: > On 2021-06-30 14:51, Ramakanth Kesireddy wrote: > > Hi, > > > > Am using Qt 5.15.3 with QtQuick2 and QtQuick2 controls running

[Interest] Dedicated GPU for Qt 5.15.3 QtQuick2

Hi, Am using Qt 5.15.3 with QtQuick2 and QtQuick2 controls running on integrated GPU. Is there any specific recommendation on hardware from Qt to have dedicated GPU though am aware that it needs to support OpenGL Es2 or higher and 60fps? Best Regards, Ramakanth

[Interest] Qt 5.15 multi process usecase

Hi, We migrated to Qt 5.15 LTS with eglfs as platform plugin. In our existing network, two nodes(processor cards) are connected through serial RS 485 and corresponding remote displays(one main display and the other secondary remote display) are to be rendered graphics and handle touch events.

Re: [Interest] Qt 5.6 Qt labs controls porting to QtQuick2 controls

? Best Regards, Ramakanth On Thu, Apr 15, 2021 at 1:22 PM Mitch Curtis wrote: > > -Original Message- > > From: Ramakanth Kesireddy > > Sent: Thursday, 15 April 2021 6:33 AM > > To: Mitch Curtis > > Cc: Qt Interest > > Subject: Re: [Interest] Qt 5.6

[Interest] Qt virtual keyboard Qt 5.6.3 Qml plugin

Hi, Can we use Qt 5.6.3 virtual keyboard module in QML application for production codebase or it is recommended to use latest Qt 5.15.3 version which comes along with the module by default? Best Regards, Ramakanth ___ Interest mailing list

Re: [Interest] Qt 5.6 Qt labs controls porting to QtQuick2 controls

Thanks for your response. Though there is no Qt documentation, can it be ported from Qt labs controls to QtQuick2 controls and vice-versa? Best Regards, Ramakanth On Tue, 6 Apr, 2021, 12:38 Mitch Curtis, wrote: > > -Original Message- > > From: Interest On Behalf

[Interest] Qt 5.6 Qt labs controls porting to QtQuick2 controls

Hi, As we used Qt 5.6 Qt labs controls 1.0 in our Qml application and would like to port to QtQuick2 controls in Qt 5.15, could you please let me know if there is a Qt documentation to port the labs controls to QtQuick2 controls and compatibility or known issues if any? Please suggest in this

[Interest] Qt 5.15 meta-qt5 yocto build

Hi, Am trying to build qt5.15.2 with eglfs and opengl es2 without wayland and x11 using yocto on TI AM3358 device incorder to run QtQuick and QtQuickControls. It builds fine if I use linuxfb as platform plugin to run Qt c++ widgets. Added below in conf: DISTRO_FEATURES_append = " opengl"

Re: [Interest] Glib vulnerability on QT 5.6.3 dependency

at 5:15 PM Thiago Macieira wrote: > On Thursday, 7 January 2021 03:15:41 -03 Ramakanth Kesireddy wrote: > > A vulnerability is found with the glib version 2.52.3 as > > https://nvd.nist.gov/vuln/detail/CVE-2019-12450. > > > > Is it recommended to upgrade the glib versi

[Interest] Glib vulnerability on QT 5.6.3 dependency

Hi, Am using Qt 5.6.3 widgets on embedded Linux through yocto recipes which depends on libglib-2.0. The modules being used by our single threaded application are core,gui,widgets and printsupport. Our usecases incase of QT involve c++ widgets with stylesheet with QStackedlayout and signals/slots

Re: [Interest] Unable to drag scrollbar in scroll area in Qt 5.6.3 widgets application

Ok Thanks all for your feedback. The issue is resolved. Best Regards, Ramakanth On Tue, 24 Nov, 2020, 21:31 Ramakanth Kesireddy, wrote: > Looks like it is fixed in Qt5 as it receives QMouseMove unlike in Qt 4.8. > > On Tue, 24 Nov, 2020, 16:23 Volker Hilsheimer, > wrote: >

Re: [Interest] Unable to drag scrollbar in scroll area in Qt 5.6.3 widgets application

those event types, I > think: > > https://doc.qt.io/qt-5/qevent.html#Type-enum > https://doc.qt.io/qt-5/qdropevent.html > > > Volker > > > > On 24 Nov 2020, at 11:48, Ramakanth Kesireddy > wrote: > > > > One question..Found dragging scrollbar trigger

Re: [Interest] Unable to drag scrollbar in scroll area in Qt 5.6.3 widgets application

, 14:38 Ramakanth Kesireddy, wrote: > Sure.. Thanks for your mail. Shall test on the latest Qt. > The issue is reproduced on both X11(ubuntu desktop) and linuxFB with tslib > as backend. > > On Tue, 24 Nov, 2020, 13:16 Thiago Macieira, > wrote: > >> On Monday, 23

Re: [Interest] Unable to drag scrollbar in scroll area in Qt 5.6.3 widgets application

... yes (system library) Best Regards, Ramakanth On Tue, Nov 24, 2020 at 2:38 PM Ramakanth Kesireddy wrote: > Sure.. Thanks for your mail. Shall test on the latest Qt. > The issue is reproduced on both X11(ubuntu desktop) and linuxFB with tslib > as backend. > >

Re: [Interest] Unable to drag scrollbar in scroll area in Qt 5.6.3 widgets application

Sure.. Thanks for your mail. Shall test on the latest Qt. The issue is reproduced on both X11(ubuntu desktop) and linuxFB with tslib as backend. On Tue, 24 Nov, 2020, 13:16 Thiago Macieira, wrote: > On Monday, 23 November 2020 21:32:10 PST Ramakanth Kesireddy wrote: > > UI Applicat

[Interest] Unable to drag scrollbar in scroll area in Qt 5.6.3 widgets application

Hi, UI Application is Qt 5.6.3 widgets based on 4.14 linux kernel built with yocto meta-qt5 recipes. For all different views like QTableView,QTreeView, am using the inbuilt QScrollBar. The mouse wheel works, the up and down arrows on the scroll bar work, but unable to drag the scroll bar using

Re: [Interest] Qt5 font size issue with fontconfig

with large lcd size 10" instead of ubuntu as the fonts used are different in X11 and the graphics rendering being different namely linuxFB? Best Regards, Ramakanth On Sun, 15 Nov, 2020, 12:41 Ramakanth Kesireddy, wrote: > Thanks a lot for your mail. It helps. > Essentially mo

Re: [Interest] Button is being latched sometimes in Qt 5.6.3

Nov, 2020, 12:02 Ramakanth Kesireddy, wrote: > Hi, > > Further details of the issue are mentioned below: > Issue: Button’s on the UI QT 5.6.3 widgets application seem to be stuck > sometimes when we press and release and found that mousereleaseevent is not > received. > >

Re: [Interest] Button is being latched sometimes in Qt 5.6.3

e.y==0? Appreciate your feedback in this regard. Best Regards, Ramakanth On Sun, Nov 15, 2020 at 12:55 PM Ramakanth Kesireddy wrote: > Hi, > > Observed that button(custom QPushButton) is being latched sometimes or > stucks at the pressed state and mouseReleaseEvent event is no

[Interest] Button is being latched sometimes in Qt 5.6.3

Hi, Observed that button(custom QPushButton) is being latched sometimes or stucks at the pressed state and mouseReleaseEvent event is not generated at all. The target platform uses Qt v5.6.3 via LinuxFB where FB_DA8XX driver is replaced by LCDC driver in the v4.14 linux kernel built with yocto

Re: [Interest] Qt5 font size issue with fontconfig

wrote: > On Wednesday, 11 November 2020 09:24:14 PST Ramakanth Kesireddy wrote: > > Inorder to adjust across all the screens, do I need to set export > > QT_AUTO_SCREEN_SCALE_FACTOR=1? > > Yes. Or set the QT_SCREEN_SCALE_FACTORS variable. Or both, or set the AUTO > o

Re: [Interest] Qt5 font size issue with fontconfig

the screens, do I need to set export QT_AUTO_SCREEN_SCALE_FACTOR=1? On Wed, 11 Nov, 2020, 21:19 Thiago Macieira, wrote: > On Tuesday, 10 November 2020 21:23:12 PST Ramakanth Kesireddy wrote: > > Hello Thiago, > > > > In our application, based on DPI 141(scre

Re: [Interest] Qt5 font size issue with fontconfig

ovember 2020 00:28:50 PST Ramakanth Kesireddy wrote: > > Ok Thanks for your mail. Forgot to mention that Qt UI is based on > > QWidgets(QPainter) with unicodes. > > > > Is this the reason why auto scale attribute doesn't works and need to use > > QFontmetrics to

Re: [Interest] Qt5 font size issue with fontconfig

Macieira, wrote: > On Friday, 6 November 2020 05:00:15 PST Ramakanth Kesireddy wrote: > > Is there any formula to calculate the font size in point size based on > dpi > > display which would work for all display sizes or just setting point size > > would help? > > Officia

Re: [Interest] Qt5 font size issue with fontconfig

; On Sat, 31 Oct 2020 at 12:31, Ramakanth Kesireddy > wrote: > >> Hi, >> >> After porting the Qt 4.8 application to Qt 5.6.3 on embedded Linux(Yocto) >> with fontconfig, the font sizes appear larger on target. >> >> The Qt 4.8 application font size sett

Re: [Interest] Qt5 font size issue with fontconfig

bug that is fixed for Qt 5 with font config in the Qt bug tracker. Appreciate if it is possible to share the same. Best Regards, Ramakanth On Sun, 1 Nov, 2020, 22:47 Thiago Macieira, wrote: > On Sunday, 1 November 2020 01:12:59 PST Ramakanth Kesireddy wrote: > > Thanks a lot for your

Re: [Interest] Qt5 font size issue with fontconfig

Qt 5.12 or Qt6. Best Regards, Ramakanth On Sun, Nov 1, 2020 at 3:24 AM Thiago Macieira wrote: > On Saturday, 31 October 2020 04:34:08 PDT Ramakanth Kesireddy wrote: > > Hi, > > > > After porting the Qt 4.8 application to Qt 5.6.3 on embedded Linux(Yocto) > > with

[Interest] Qt5 font size issue with fontconfig

Hi, After porting the Qt 4.8 application to Qt 5.6.3 on embedded Linux(Yocto) with fontconfig, the font sizes appear larger on target. The Qt 4.8 application font size setting with 14pt default font appears larger in Qt 5.6.3 with fontconfig and needed fonts added in default fontconfig directory

[Interest] QLineEdit placeholder text Qt 5.6.3

Hi, Am using Qt 5.6.3 widgets on embedded Linux. To display placeholder text of datetimeformat MMDDhhmmss,QLineEdit is being used. It is removed by default as soon as text is entered from custom virtual keyboard as expected. Is it possible to display the above placeholder text when user

Re: [Interest] QtWebkit stylesheet issue using css

Does it makes sense to QtWebkit 5.6.3 incase this issue had been introduced in latest WebKit 5.212 or move to Qt webengine though there is no direct API for setuserstylesheet? Let me know your feedback in this regard. Best Regards, Ramakanth On Wed, 2 Sep, 2020, 21:26 Ramakanth Kesireddy

[Interest] QtWebkit stylesheet issue using css

Hi, Am using Qt WebKit 5.212 Alpha4 release through yocto build on top of Qt 5.6.3 binaries. Raised the issue https://github.com/qtwebkit/qtwebkit/issues/1021 where scroll bar stylesheet using css is not visible on target. It does work with scrollbar visible on ubuntu using css stylesheet using

Re: [Interest] Klocwork CWE warnings in Qt5

: > On Sunday, 19 July 2020 09:35:20 PDT Ramakanth Kesireddy wrote: > > Hi, > > > > There are 5 different CWEs of the below type thrown by Klocwork as > warnings > > in the below mentioned condition in findNext():- > > > > https://code.woboq.org/qt5/include/qt/QtC

[Interest] Klocwork CWE warnings in Qt5

Hi, There are 5 different CWEs of the below type thrown by Klocwork as warnings in the below mentioned condition in findNext():- https://code.woboq.org/qt5/include/qt/QtCore/qiterator.h.html#144 inline bool findNext(const T ) \ { while (const_iterator(n = i) != c->constEnd()) if (*i++ ==

Re: [Interest] QtWidget examples not being run

Hello Thiago, The below mentioned patch along with setting environment variable QT_QPA_PLATFORM=linuxfb:rotation=180TSLIB_PARAMETERS=rotate=180:mode=640x480 worked in Qt 5.6.3 version. Thanks and Regards, Ramakanth On Fri, Jul 17, 2020 at 11:04 PM Ramakanth Kesireddy wrote: > Hello Thi

Re: [Interest] QtWidget examples not being run

Best Regards, Ramakanth On Fri, Jul 10, 2020 at 2:18 AM Thiago Macieira wrote: > On Thursday, 9 July 2020 09:33:31 PDT Ramakanth Kesireddy wrote: > > Is it ok if we have Yocto Qt build on device and Qt build cross compiled > > in sysroot both being Qt 5.6.3 and the Qt p

Re: [Interest] QtWidget examples not being run

, wrote: > On Wednesday, 8 July 2020 22:08:53 PDT Ramakanth Kesireddy wrote: > > Yes there is an inbuilt Qt 5.9.7 version installed as part of TI sdk > though > > am setting Qt 5.6 3 path before rebuilding examples. > > > > If we remove Qt 5.9.7 libs and Qt5 plugi

Re: [Interest] QtWidget examples not being run

Regards, Ramakanth On Tue, 7 Jul, 2020, 21:40 Thiago Macieira, wrote: > On Tuesday, 7 July 2020 06:36:16 PDT Ramakanth Kesireddy wrote: > > ./animatedtiles: relocation error: ./animatedtiles: symbol > > _ZN14QGraphicsSceneC1EP7QObject, version Qt_5 not defined in file > &g

[Interest] QtWidget examples not being run

Hi, I am unable to run a few below QtWidget examples using Qt 5.6.3 libs though I set qmake PATH but other QtWidget examples work fine. export PATH=/home/target/ti-processor-sdk-linux-rt-am335x-evm-05.03.00.07/linux-devkit/sysroots/armv7ahf-neon-linux-gnueabi/usr/local/Qt-5.6.3/bin:$PATH export

[Interest] LinuxFB rotation configuration

Hi, As there is an environment variable QT_QPA_EGLFS_ROTATION to specify the rotation applied to software rendered content in QWidget based applications. Can you let me know if we have similar environment variable for LinuxFB to rotate Qt5 widget applications? Thanks and Regards, Ramakanth

[Interest] Qt5 fontconfig default font directory

Hi, Qt5 configured with font config default font directory set to /usr/share/fonts through fontconfig Yocto recipe. Do we need to copy the custom fonts in /usr/lib/fonts and add /usr/lib/fonts as a font config directory by overriding the font config Yocto recipe or fontconfig could locate the

[Interest] Disconnect QObject signal/slot in Qt5

Hi, As we had to disconnect QObject explicitly in Qt 4.8 since disconnectNotify () is not called for graceful cleanup, Is it recommended to remove all disconnect of QObject signals/slots associated or ok to retain since disconnectNotify is invoked automatically in Qt5? Thanks and Regards,

Re: [Interest] Gold linker configuration in Qt 5

Ok Thanks for your details. Is there any option in Qt5 configure line to make use of llvm ldd linking? Best Regards, Ramakanth On Thu, 2 Jul, 2020, 15:26 Sérgio Martins, wrote: > On 2020-07-02 10:29, Ramakanth Kesireddy wrote: > > Hi, > > > > Is it recommended to use

[Interest] Gold linker configuration in Qt 5

Hi, Is it recommended to use gold linker or system linker with -no-use-goldlinker while configuring Qt5.6.3 and above? As per my understanding, gold linker should provide faster linking and use less memory than the traditional linker. Please let me know your thoughts in this regard. Best

[Interest] Qt 5.x configure line prefix

Hi, Can anyone let me know if it is recommended to use -prefix /usr or the default in the configure line where it gets installed in /usr/local/Qt5.x? As the font algorithm using font config checks the available fonts in /usr/lib/fonts, does it makes sense to configure Qt 5.x with prefix /usr?

Re: [Interest] Wayland QPA in Qt 5.12.8 LTS

build using Yocto even if we configure Qt 5.6.3 with the QPA? Best Regards, Ramakanth On Fri, 19 Jun, 2020, 21:55 Thiago Macieira, wrote: > On Thursday, 18 June 2020 22:13:07 PDT Ramakanth Kesireddy wrote: > > Could you please let me know if it is recommended to use Wayland for > s

Re: [Interest] Wayland QPA in Qt 5.12.8 LTS

to improve performance? Best Regards, Ramakanth On Mon, 18 May, 2020, 21:34 Thiago Macieira, wrote: > On domingo, 17 de maio de 2020 21:00:12 PDT Ramakanth Kesireddy wrote: > > Planning to use Weston. > > Do I need to pass -qpa Wayland and build the Qtwayland module? > > O

Re: [Interest] Klocwork error in Qt5 concurrentwrapper

Macieira, wrote: > On Saturday, 30 May 2020 11:03:57 PDT Ramakanth Kesireddy wrote: > > Void function returns value VOIDRET pointing to the below code in > > qtbase/src/concurrent/qtconcurrentfunctionwrappers.h. > > > > template > > inline void operator()(C , U &

[Interest] Klocwork error in Qt5 concurrentwrapper

Hi , Below is the Klocwork error thrown while using Qt5 with the application code: Void function returns value VOIDRET pointing to the below code in qtbase/src/concurrent/qtconcurrentfunctionwrappers.h. template inline void operator()(C , U &) const { return c.push_back(u);

Re: [Interest] Qt 5.12.x LTS

Ok thanks for the update. Can you let me know if the mentioned security fixes are available in earlier LTS releases like Qt 5.6.3? Best Regards, Ramakanth On Wed, 20 May, 2020, 06:42 Thiago Macieira, wrote: > On Tuesday, 19 May 2020 00:08:53 PDT Ramakanth Kesireddy wrote: > > Apart

Re: [Interest] Qt 5.12.x LTS

-03 Ramakanth Kesireddy wrote: > > 2) Does it makes sense to use latest Qt 5.12.8 LTS instead of Qt 5.12.7 > > wrto stable release? > > It never makes sense to use something that is not the latest in a given > LTS > Series. Use the latest. > > > 3) May I know if the r

Re: [Interest] Wayland QPA in Qt 5.12.8 LTS

Ok thanks for your mail. So while configuring Qt, I neednot specify -qpa wayland right? and the default one would do along with export QT_QPA_PLATFORM=wayland. Best Regards, Ramakanth On Mon, 18 May, 2020, 21:34 Thiago Macieira, wrote: > On domingo, 17 de maio de 2020 21:00:12 PDT Ramaka

[Interest] Font width and height in pixels based on language Qt 5.12.8

Hi, Can you let me know if it possible to determine the font text width and height in pixels using fontmetrics based on language for the fixed button width? Basically to fix number of characters for translation ts files in the fixed button width based on language both for latin and non-latin

Re: [Interest] Wayland QPA in Qt 5.12.8 LTS

Planning to use Weston. Do I need to pass -qpa Wayland and build the Qtwayland module? Best Regards, Ramakanth On Fri, 15 May, 2020, 00:45 Thiago Macieira, wrote: > On Thursday, 14 May 2020 09:31:35 PDT Ramakanth Kesireddy wrote: > > LinuxFB as QPA backend works well with our app

Re: [Interest] Wayland QPA in Qt 5.12.8 LTS

, Ramakanth On Mon, 11 May, 2020, 23:26 Thiago Macieira, wrote: > On Monday, 11 May 2020 09:00:56 PDT Ramakanth Kesireddy wrote: > > Yes I want to set Wayland as the default QPA backend. > > > > Well, I didn't set any QPA while configuring Qt and it selected LinuxFB > as > &

Re: [Interest] Wayland QPA in Qt 5.12.8 LTS

04:08:16 PDT Ramakanth Kesireddy wrote: > > Hi, > > > > Is there any option to use Wayland as QPA while configuring Qt 5.12.8 LTS > > or it needs to be configured with EGLFS building Qt Wayland module with > > prior requirement of OpenGL ES 2.x and above for ha

Re: [Interest] Qt Creator licensing for companies with Qt Commercial developers

Hi Tuukka, Does it mean that if we use Qt 5.12.8 LTS commercial license, it is permitted to use Open source components like third party Qt WebKit module in conjunction with commercial license? Could you please let me know in this regard? Thanks and Regards, Ramakanth On Mon, 11 May, 2020,

[Interest] Wayland QPA in Qt 5.12.8 LTS

Hi, Is there any option to use Wayland as QPA while configuring Qt 5.12.8 LTS or it needs to be configured with EGLFS building Qt Wayland module with prior requirement of OpenGL ES 2.x and above for handling multi-process usecases? Thanks and Regards, Ramakanth

Re: [Interest] QtWebengine is not built with v8 snapshot error

page into one view) or is it mandatory to have opengl to use QtWebEngine module as I need to port from QtWebkitwidgets to QtWebengineWidgets to setHtml? Best Regards, Ramakanth On Mon, May 4, 2020 at 9:24 PM Ramakanth Kesireddy wrote: > sudo apt-get install gcc-multilib > sudo apt-get ins

Re: [Interest] Qt 5.12.8 32 bit libraries configure options on Ubuntu 16.04

It doesnot recognize -spec linux-g++-32 . Am I missing something? Best Regards, Ramakanth On Tue, May 5, 2020 at 12:36 AM Thiago Macieira wrote: > On Monday, 4 May 2020 09:31:19 PDT Ramakanth Kesireddy wrote: > > Hi, > > > > Can anyone let me know the configure options

Re: [Interest] Qt 5.12.8 32 bit libraries configure options on Ubuntu 16.04

d to install the 32 bit library versions to resolve the above errors. Best Regards, Ramakanth On Tue, May 5, 2020 at 12:30 AM Allan Sandfeld Jensen wrote: > On Montag, 4. Mai 2020 18:31:19 CEST Ramakanth Kesireddy wrote: > > Hi, > > > > Can anyone let me know the configure

[Interest] Qt 5.12.8 32 bit libraries configure options on Ubuntu 16.04

Hi, Can anyone let me know the configure options to generate 32 bit Qt 5.12.8 libraries on Ubuntu 16.04 like the below equivalent configure options in Qt? for ./configure "CFLAGS=-m32" "CXXFLAGS=-m32" "LDFLAGS=-m32" Do we need to modify the QMAKE_CFLAGS or there are any configure options

Re: [Interest] QtWebengine is not built with v8 snapshot error

to the configure line? Best Regards, Ramakanth On Mon, May 4, 2020 at 8:06 PM Thiago Macieira wrote: > On Monday, 4 May 2020 00:22:40 PDT Ramakanth Kesireddy wrote: > > /usr/libx32/crti.o > > /usr/lib32/crti.o > > /usr/lib/x86_64-linux-gnu/crti.o > > How did you instal the first

Re: [Interest] QtWebengine is not built with v8 snapshot error

It yielded host 32 binaries like below:- target@ubuntu:~/qt-everywhere-src-5.12.8$ find /usr/ -name crti* /usr/libx32/crti.o /usr/lib32/crti.o /usr/lib/x86_64-linux-gnu/crti.o On Mon, May 4, 2020 at 11:57 AM Thiago Macieira wrote: > On Sunday, 3 May 2020 21:06:30 PDT Ramakanth Kesireddy wr

Re: [Interest] QtWebengine is not built with v8 snapshot error

Installed multi-lib package as well but not sure why it is unable to find the crt1.o On Mon, 4 May, 2020, 09:36 Ramakanth Kesireddy, wrote: > The cross compiled crt1.o is found > in > /home/target/ti-processor-sdk-linux-rt-am335x-evm-05.03.00.07/linux-devkit/sysroots/armv7ahf-n

Re: [Interest] QtWebengine is not built with v8 snapshot error

-linux-rt-am335x-evm-05.03.00.07/linux-devkit/sysroots/armv7ahf-neon-linux-gnueabi. Has it got to do with -no-gcc-sysroot option in the configure line? Best Regards, Ramakanth On Mon, May 4, 2020 at 9:00 AM Thiago Macieira wrote: > On Sunday, 3 May 2020 19:20:04 PDT Ramakanth Kesireddy wr

Re: [Interest] QtWebengine is not built with v8 snapshot error

; 16.04(64 bit) to match the target for building the snapshot? > > > > Best Regards, > > Ramakanth > > > > On Sun, May 3, 2020 at 12:15 PM Allan Sandfeld Jensen > > > > wrote: > > > On Sonntag, 3. Mai 2020 06:20:22 CEST Ramakanth Kesireddy wrote: &g

Re: [Interest] QtWebengine is not built with v8 snapshot error

Thanks for your mail. Could you please let me know the packages to be installed on Ubuntu 16.04(64 bit) to match the target for building the snapshot? Best Regards, Ramakanth On Sun, May 3, 2020 at 12:15 PM Allan Sandfeld Jensen wrote: > On Sonntag, 3. Mai 2020 06:20:22 CEST Ramaka

[Interest] QtWebengine is not built with v8 snapshot error

,Hi, As am trying to cross-compile Qt 5.12.8 sources on Ubuntu 16.04(64 bit), it throws below error: V8 snapshot cannot be built. Most likely, the 32-bit host compiler does not work. Please make sure you have 32-bit devel environment installed, or configure webengine with

Re: [Interest] QtWebkit error while building Qt5.12.7 sources

Output.log". Project ERROR: Running cmake failed Makefile:222: recipe for target 'sub-Tools-qmake-projects-run_cmake-pro-make_first-ordered' failed make: *** [sub-Tools-qmake-projects-run_cmake-pro-make_first-ordered] Error 3 On Thu, Apr 23, 2020 at 3:10 PM Ramakanth Kesireddy wrote: >

Re: [Interest] Config errors while configuring Qt 5.12.8 LTS on ubuntu

Apr, 2020, 15:13 Ramakanth Kesireddy, wrote: > Hi, > > Tried to build QtWebengine as a separate module after extracting Qt > webengine sources(qtwebengine-everywhere-src-5.12.8.tar) did configure > successfully. > > But make throws the error Project ERROR: Unknown module(s)

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