Qt Forum - Recently Active Topics

Our forum is a bustling hub of activities for the mightiest minds in the universe. This page contains enough power to contain a list of topics within the past 24 hours.

  • [[qanda:topic_solved]] Standalone app that can be run only once at a time

    [[qanda:topic_solved]] Standalone app that can be run only once at a time

    @Please_Help_me_D - You're welcome :)

    Read More
  • [[qanda:topic_unsolved]] How to loop through QQmlListProperty?

    [[qanda:topic_unsolved]] How to loop through QQmlListProperty?

    I'm confused by the QQmlListProperty class. How does one loop through each property in the list? I think it somehow uses QQmlListProperty::count(), but could someone please provide a simple...

    Read More
  • [[qanda:topic_unsolved]] Hi, I want to build a transparent windows with mouse event in QML QtQuick2

    [[qanda:topic_unsolved]] Hi, I want to build a transparent windows with mouse event in QML QtQuick2

    I don't know anything about PySide, but what you're asking can be done with QML. You need to nest SequentialAnimation for the effect to work. With a few tweaks and a little more code, I came up...

    Read More
  • [[qanda:topic_unsolved]] How to make a QTextBrowser that adapts its height with the text?

    [[qanda:topic_unsolved]] How to make a QTextBrowser that adapts its height with the text?

    @JonB Somenthing similar actually. The height is not the same as shown in the first picture.

    Read More
  • Check out our on-demand webinars. Maybe you'll find one of interest?

    View All
  • [[qanda:topic_unsolved]] QTwebkit Build failed on QT-5.15 via Yocto

    [[qanda:topic_unsolved]] QTwebkit Build failed on QT-5.15 via Yocto

    E.g; remove python3 suppot patch? Why would you want to do that?

    Read More
  • [[qanda:topic_unsolved]] Hide/show ListView sections dynamically

    [[qanda:topic_unsolved]] Hide/show ListView sections dynamically

    Hey @Adso4. You can use this excellent library that saves a lot of work. https://github.com/oKcerG/SortFilterProxyModel Good luck.

    Read More
  • [[qanda:topic_unsolved]] QAbstractItemModel flag signaling?

    [[qanda:topic_unsolved]] QAbstractItemModel flag signaling?

    I have a model that has the ItemIsEnabled and ItemIsSelectable flags disabled until network data comes in about the node in the model, at which point ItemIsEnabled and ItemIsSelectable become...

    Read More
  • [[qanda:topic_solved]] Qt5 tabwidget - addwidget exception thrown read access violation

    [[qanda:topic_solved]] Qt5 tabwidget - addwidget exception thrown read access violation

    @jonndoe47 said in Qt5 tabwidget - addwidget exception thrown read access violation: QWidget* logTab, centralWidget; Do you also realise that in C/C++ this declares centralWidget as being a...

    Read More
  • [[qanda:topic_unsolved]] CLion + Qt + OpenGL

    [[qanda:topic_unsolved]] CLion + Qt + OpenGL

    Thanks a lot for the answer! I still don't see what to change though. Does it have anything to do with the CMakeLists?

    Read More
  • ×

    Ask us how our services team can shorten your time-to-market.

    First Name
    Last Name
    Company Name
    Your role
    Phone Number
    Country
    State/Region
    Send me news about Qt products and services.
    Check out our privacy policy.
    Our services team will be in touch soon.
    Error - something went wrong!
  • [[qanda:topic_unsolved]] Can't get tab content to maximum size ???

    [[qanda:topic_unsolved]] Can't get tab content to maximum size ???

    I have the following centralwidget (qwidget) contains tabwidget (qtabwidget) contains (via addtab) logtab (qwidget) contains logoutput (qtextctrl) I've tried everything to max the size of the...

    Read More
  • [[qanda:topic_unsolved]] Multiple processes, same database: "Exception: attempt to write a readonly database Unable to fetch row"

    [[qanda:topic_unsolved]] Multiple processes, same database: "Exception: attempt to write a readonly database Unable to fetch row"

    Hi and welcome to devnet, Please read the When To Use page of sqlite's documentation. Your use case is one that should be avoided.

    Read More
  • [[qanda:topic_unsolved]] Variable from notepad problem

    [[qanda:topic_unsolved]] Variable from notepad problem

    Hi, To have an idea of their content, you should print both values. You may have a subtle difference between the two.

    Read More
  • [[qanda:topic_unsolved]] UI to PY but not window when run in python

    [[qanda:topic_unsolved]] UI to PY but not window when run in python

    @Denni-0 Thank you, I was beginning to think that the designer wasn't worth all the extra work it seemed to be creating, i thought I was doing something wrong.

    Read More
  • [[qanda:topic_solved]] Qt on Linux with X11 Link Errors

    [[qanda:topic_solved]] Qt on Linux with X11 Link Errors

    @SGaist Thanks again. The code does not do the right thing yet. but it does compile and run.

    Read More
  • [[qanda:topic_unsolved]] How to free RAM after using QChartView?

    [[qanda:topic_unsolved]] How to free RAM after using QChartView?

    Okay I made a very short, compilable example, here is the download link: https://filetransfer.io/data-package/wck4NloP Compile, run the application, click draw chart, close the window, crash. Can...

    Read More
  • ×

    Hit the ground running with the Qt Starter Pack. Ask us how.

    First Name
    Last Name
    Company Name
    Your role
    Country
    State/Region
    Phone Number
    Send me news about Qt products and services.
    Check out our privacy policy.
    We will contact you shortly.
    Error - something went wrong!
  • [[qanda:topic_unsolved]] open new window in pyqt5

    [[qanda:topic_unsolved]] open new window in pyqt5

    Wow thank you man ! For your help ! My program is working now !! Thank you a lot !

    Read More
  • [[qanda:topic_unsolved]] creating list with variable number of entries

    [[qanda:topic_unsolved]] creating list with variable number of entries

    @mzimmers I'm waiting for The Master's answer on this too :) I looked up the docs and I do not see where it indicates this is required, and OK your validator may leak but I don't see it will die...

    Read More
  • [[qanda:topic_unsolved]] QNetworkRequest basic Authentication

    [[qanda:topic_unsolved]] QNetworkRequest basic Authentication

    I found the following...

    Read More
  • [[qanda:topic_unsolved]] Showing stream video

    [[qanda:topic_unsolved]] Showing stream video

    There's likely already a prebuilt package. See also VLC-Qt

    Read More
  • ×

    Watch how to advance application performance with Qt

    First Name
    Last Name
    Company Name
    Your role
    Country
    State/Region
    Phone Number
    What type of product are you developing?
    Send me news about Qt products and services.
    Check out our privacy policy.
    Thanks!
    Error - something went wrong!
  • [[qanda:topic_unsolved]] PySide2 or Pyqt5 - Lost selection highlighting on custom widget when adding to a QTreeViewItem in “IconMode”

    [[qanda:topic_unsolved]] PySide2 or Pyqt5 - Lost selection highlighting on custom widget when adding to a QTreeViewItem in “IconMode”

    I think I'm confusing things more with that last example. I was trying to show that it is working on a listWidgetItem without a custom widget. What I would like is, selection highlighting on my...

    Read More
  • loading
    Loading More...