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3rd Party Software

Combining Qt with 3rd party libraries or components? Ask here!
1.1k Topics 5.5k Posts
  • frequency, sine wave & sawtooth

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    VRoninV

    One of the examples provided by qcustomplot is a plot of a cos wave (https://www.qcustomplot.com/index.php/tutorials/basicplotting) I'm sure you can adapt it for your needs

  • Process Variable or equivalent in QCustomPlot

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    B

    I considered bypassing Epics with Qt Charts/Graphs because of EPICS's limited support. CLosing the thread.

  • integration of QML with Visual Studio 2002

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    Christian EhrlicherC

    Dupe of https://forum.qt.io/topic/158115/integration-of-qml-with-visual-studio-2002

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    J

    I managed to fix the issue. The flatpak version only draws StyledPanal frame shadows when the parent widget is using a grid layout where at least one of the spacing values (horizontal or vertical) is not 0. Any other layout (VBox, HBox, Splitter or Dialog ) and the frame shadows are not drawn. So the fix in my case was to place each of my QTableViews inside of an otherwise empty QWidget that uses a grid layout with any non 0 spacing (negative values work as well).

  • This topic is deleted!

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  • Problem connecting to web

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    Christian EhrlicherC

    @Stuarte said in Problem connecting to web:

    the web using Firefox 115.12.0esr (64-bit).

    Since when has Firefox something to do with Qt?

  • Operating system web browser in Qt application

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    S

    I don't think this is directly possible. You could try to use QWidget::createWindowContainer to start a browser and capture its full window. Some smart event filtering could then resize and move the captured window together with your own main window.

  • Qt6 integration of 3dconnexion spacemouse devices

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    B

    Hey, that sounds awsome! Could you explain which files you edited or even share your files for Qt 5.15.2 ?
    Sorry, I´m just a user of 3D Software and would really enjoy working with the spacemouse in my Qt apps.

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    Christian EhrlicherC

    You have to compile the library as static lib.

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    CodeFarmerC

    @trin94 Thanks for getting back to me and for all your help

  • Compatibility libraries generated by MSVC and minGW

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    T

    @mtrch
    Agree with you, I say because I did practice what you mentioned here.
    Yes, it is workable.
    Best regards,
    Thuan T. Nguyen

  • Quazip and Qt6 mingw

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    A

    Ok finally builded, thanks for help :)

  • disposition qxmpp

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    jsulmJ

    @hzha said in disposition qxmpp:

    didn't work

    In what way it didn't work?
    Saying "didn't work" does not help much.

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    Christian EhrlicherC

    Please show your CMakeLists.txt. You are not linking against the Qt library.

  • Qwt trying to draw symbol even it is null

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    @Christian-Ehrlicher

    If you look at qwt oscilloscope example the curve data is updated in another thread than GUI.
    I do the same. I update only the curve data and guard it with mutexes. In replot the data is locked. But I guess this must be the reason so I'll try to come up with a small compilable example to show the error.

  • Error connecting camera via OpenCV

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    SGaistS

    @mtalha2621 My bad, I misread the error messages. What I had in mind when answering is for you to use your custom pipeline with OpenCV.

  • Segmentation Error On QSqlDriver::AddDatabase

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    M

    @Christian-Ehrlicher

    Yeah, this seemed to be the problem...
    Took much longer to than I want to admit before I found it...

    I wanted to post my fix already, but newbies on the forum can only post every 10 minutes 😅

  • QWT Plot Curve Dashline not showing

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    SGaistS

    Hi,

    Please provide a minimal compilable example that shows the situation.

  • Are there any BACNet libraries for Qt out there?

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    SGaistS

    Hi,

    Did you check the BACnet developer aids ? There's a list there of implementation for different languages including C.

  • Software fails with QT

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    SGaistS

    Hi and welcome to devnet,

    Did you build that software yourself ?
    Where did you get the sources from ?
    Which version of Qt are you using ?
    How did you install it ?