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Forum: Qt Programming

General more advanced Qt programming issues.

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  1. Qwt

    Questions related to Qwt - Qt widgets for technical applications.

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  1. qDir illegal characters in path name

    Started by spike6479, 18th June 2021 16:49
    • Replies: 5
    • Views: 3,022
    ChrisW67
    21st June 2021, 03:47 Go to last post

  2. Moved: Open MP on Windows with MingW32 almost no acceleration in release mode.

    Started by feraudyh, 18th June 2021 18:09
    •  
    •  

  3. Question How can I drag a file out of a TreeView and into another application?

    Started by donnaroma, 18th June 2021 03:04
    c++, drag & drop, qt5, treeview
    • Replies: 2
    • Views: 3,829
    d_stranz
    18th June 2021, 15:38 Go to last post

  4. Key presses get lost after starting external process via QProcess in QWidget

    Started by donelron, 18th June 2021 10:33
    focus widget, key press, qprocess
    • Replies: 0
    • Views: 2,672
    donelron
    18th June 2021, 10:33 Go to last post

  5. Question How can I display only the children of a QTreeView?

    Started by donnaroma, 16th June 2021 20:09
    c++, proxy model, qt5, treeview
    • Replies: 1
    • Views: 3,813
    d_stranz
    16th June 2021, 23:24 Go to last post

  6. Change pixmap image with another image

    Started by eliya_, 16th June 2021 07:52
    gui, pixmap, pyqt5, python 3
    • Replies: 0
    • Views: 3,462
    eliya_
    16th June 2021, 07:52 Go to last post

  7. QSerialPort readyRead won't emit on Win10 but Ok on Ubuntu 20.04?!

    Started by bobkan, 15th June 2021 23:16
    readyread
    • Replies: 0
    • Views: 3,339
    bobkan
    15th June 2021, 23:16 Go to last post

  8. best way to draw cursor crosshairs lines to a GLWidget and viewport mouse coordinates

    Started by john_god, 10th January 2010 13:05
    1 Attachment(s)
    • Replies: 2
    • Views: 5,702
    d_stranz
    15th June 2021, 16:00 Go to last post

  9. get heob to ignore qt memory leaks

    Started by spike6479, 10th June 2021 20:35
    • Replies: 0
    • Views: 2,381
    spike6479
    10th June 2021, 20:35 Go to last post

  10. Console application on the side

    Started by Cruz, 5th June 2021 12:33
    • Replies: 12
    • Views: 3,065
    d_stranz
    10th June 2021, 15:33 Go to last post

  11. Multiple inheritance problem

    Started by Mohsin, 7th June 2021 10:05
    multiple inheritance, qchartview, qobject 3 Attachment(s)
    • Replies: 5
    • Views: 3,203
    Mohsin
    10th June 2021, 10:02 Go to last post

  12. Segmentation Fault When Moving QTextCursor Anchor

    Started by PrincessTrevor, 7th June 2021 05:40
    c++, qtextbrowser, qtextcursor, segmentation fault
    • Replies: 8
    • Views: 4,261
    PrincessTrevor
    7th June 2021, 20:49 Go to last post

  13. QListView

    Started by dan1973, 6th June 2021 16:11
    qlistview 1 Attachment(s)
    • Replies: 1
    • Views: 2,373
    d_stranz
    6th June 2021, 20:29 Go to last post

  14. Border style and color for QChart

    Started by am3, 3rd June 2021 15:51
    qchart border style color
    • Replies: 1
    • Views: 2,421
    Ginsengelf
    4th June 2021, 07:03 Go to last post

  15. Qt application crashes intermittently while updating UI

    Started by Deeksha, 3rd June 2021 06:11
    crash problem, qtapplication, qtwidgets, setstylesheet
    • Replies: 1
    • Views: 1,741
    Ginsengelf
    3rd June 2021, 07:10 Go to last post

  16. Weird behaviour of QPainter::render() in QT 6.0.0

    Started by glafauci, 2nd June 2021 11:12
    2 Attachment(s)
    • Replies: 2
    • Views: 2,540
    glafauci
    2nd June 2021, 16:52 Go to last post

  17. Using a proxy built into the application to access https headers in QtWebEngine

    Started by StCrocco, 10th April 2020 19:56
    • Replies: 4
    • Views: 6,733
    d_stranz
    31st May 2021, 16:09 Go to last post

  18. QProcess setEnvirontment fails

    Started by nkpatro, 28th May 2021 02:58
    qprocess, qprocessenvironment, setprocessenvironment, setsystemenvironment
    • Replies: 2
    • Views: 2,751
    ChrisW67
    31st May 2021, 09:53 Go to last post

  19. QChartView panning feature limit

    Started by Mohsin, 28th May 2021 09:19
    panning, qchart, qchartview 1 Attachment(s)
    • Replies: 3
    • Views: 2,826
    d_stranz
    28th May 2021, 17:13 Go to last post

  20. Unhappy Cmake _qt5_corelib_extra_includes strange path

    Started by Kapitán, 27th May 2021 05:51
    cmake
    • Replies: 0
    • Views: 4,878
    Kapitán
    27th May 2021, 05:51 Go to last post

  21. Adding SubColumn to the root item in the QTreeView

    Started by Mohsin, 24th May 2021 06:13
    qtreeview, simpletreemodel 1 Attachment(s)
    • Replies: 1
    • Views: 2,636
    ChrisW67
    25th May 2021, 08:37 Go to last post

  22. Problem with adding QGraphicsItem to QChartView

    Started by Mohsin, 23rd May 2021 15:30
    qchart, qchartview, qgraphicsitem 1 Attachment(s)
    • Replies: 1
    • Views: 3,563
    d_stranz
    23rd May 2021, 16:02 Go to last post

  23. QComboBox extremely slow on adding a lot of items

    Started by Buldozer, 15th March 2012 07:15
    qcombobox, slow
    • Replies: 3
    • Views: 10,928
    gumtown
    16th May 2021, 12:46 Go to last post

  24. Problem with saving QChartView as vector image file

    Started by Mohsin, 14th May 2021 09:44
    1 Attachment(s)
    • Replies: 1
    • Views: 2,744
    d_stranz
    14th May 2021, 17:04 Go to last post

  25. Problem with implementing custom QChartView

    Started by Mohsin, 12th May 2021 01:37
    2 Attachment(s)
    • Replies: 3
    • Views: 3,318
    d_stranz
    14th May 2021, 16:50 Go to last post

  26. [SOLVED] Change the PUBLIC identifier in QDomImplementation::createDocumentType

    Started by t0bias, 14th May 2021 14:03
    doctype, qdomdocument
    • Replies: 0
    • Views: 1,759
    t0bias
    14th May 2021, 14:03 Go to last post

  27. GStreamer on Qt for iOS

    Started by FM, 13th May 2021 14:23
    gstreamer, ios
    • Replies: 1
    • Views: 2,954
    d_stranz
    13th May 2021, 16:50 Go to last post

  28. GStreamer on Qt for iOS

    Started by FM, 13th May 2021 13:24
    gstreamer, ios
    • Replies: 0
    • Views: 2,858
    FM
    13th May 2021, 13:24 Go to last post

  29. Multiple inheritance

    Started by Nunkij, 11th May 2021 20:13
    • Replies: 3
    • Views: 2,609
    d_stranz
    12th May 2021, 16:05 Go to last post

  30. how to send remote USB Hid data to browse local QT menu on Linux platform

    Started by chentom60, 10th May 2021 17:15
    usb hid linux
    • Replies: 1
    • Views: 2,353
    d_stranz
    11th May 2021, 16:37 Go to last post
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