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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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    • Posts: 10,908

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  1. Question QTableView VerticalScrollBar connect and insert rows

    Started by dibfibo, 23rd March 2020 15:40
    connect, insert, qtableview, rows, verticalscrollbar
    • Replies: 2
    • Views: 4,363
    dibfibo
    24th March 2020, 21:46 Go to last post

  2. how to find child widget from parent.

    Started by rahulvishwakarma, 24th March 2020 09:46
    centos 7.5, qt5.7.0
    • Replies: 1
    • Views: 4,150
    Lesiok
    24th March 2020, 12:23 Go to last post

  3. Crashing QGraphicsTextItem when updating HTML in PyQt

    Started by illuzioner1, 18th March 2020 00:21
    document, pyqt 5, qgraphicstextitem
    • Replies: 4
    • Views: 4,313
    illuzioner1
    24th March 2020, 01:35 Go to last post

  4. Starting a second executable using system( )

    Started by emp1953, 23rd March 2020 15:09
    error, executable, system()
    • Replies: 2
    • Views: 3,140
    emp1953
    23rd March 2020, 17:14 Go to last post

  5. Unhappy PyQT: The QSqlTableModel and how to wrap my head around it

    Started by fschober, 21st March 2020 04:50
    pyqt, pyton, qabstractitemmodel, qsql, qsqltablemodel
    • Replies: 11
    • Views: 11,720
    d_stranz
    22nd March 2020, 15:37 Go to last post

  6. How can I get the date out of QFileInfo?

    Started by emp1953, 20th March 2020 18:31
    qfileinfo
    • Replies: 2
    • Views: 2,317
    d_stranz
    20th March 2020, 20:07 Go to last post

  7. QTableView : display indicator on column header to display which ones can be sorted

    Started by olap74, 18th March 2020 15:25
    horizontalheader, indicator, qtableview, sort
    • Replies: 3
    • Views: 7,616
    d_stranz
    20th March 2020, 18:11 Go to last post

  8. Best practice for dynamic update of QTabelView

    Started by regenwo62, 20th March 2020 14:14
    qt5 qtableview
    • Replies: 1
    • Views: 1,723
    ChristianEhrlicher
    20th March 2020, 15:35 Go to last post

  9. Arrow Need Help Designing a Effective Threaded Application in PyQt5

    Started by Xevion, 20th March 2020 10:53
    pyqt, pyqt5, python, thread, timer
    • Replies: 0
    • Views: 4,794
    Xevion
    20th March 2020, 10:53 Go to last post

  10. Display .pdf file in Qt window screen

    Started by prabhatjha, 19th March 2020 17:12
    • Replies: 1
    • Views: 1,662
    d_stranz
    19th March 2020, 17:19 Go to last post

  11. Question duplicate connection name 'qt_sql_default_connection'

    Started by rahulvishwakarma, 18th March 2020 14:00
    centos7.5, qt 5.7 1 Attachment(s)
    • Replies: 3
    • Views: 4,944
    d_stranz
    18th March 2020, 16:39 Go to last post

  12. Detecting keyboard input from any window

    Started by illuzioner1, 14th March 2020 21:18
    key press, keybd_event, keyboard-events
    • Replies: 3
    • Views: 3,391
    d_stranz
    18th March 2020, 14:37 Go to last post

  13. Does QSqlTableModel::select emit dataChanged/rowsInserted signals?

    Started by qtcentre2019, 16th March 2020 16:00
    qsqltablemodel
    • Replies: 1
    • Views: 3,112
    d_stranz
    16th March 2020, 16:20 Go to last post

  14. QDebug assert failure crash in QRingBuffer

    Started by gfgit, 14th March 2020 14:35
    • Replies: 4
    • Views: 4,029
    gfgit
    16th March 2020, 12:23 Go to last post

  15. primary expression before '.'

    Started by rahulvishwakarma, 15th March 2020 11:21
    centos 7.5, qt 5.7
    • Replies: 2
    • Views: 2,799
    rahulvishwakarma
    16th March 2020, 09:38 Go to last post

  16. How to have multiple QCompleters in one QLineEdit

    Started by leinad, 13th March 2020 12:43
    • Replies: 7
    • Views: 3,322
    d_stranz
    16th March 2020, 00:17 Go to last post

  17. QGraphicsScene background glitches

    Started by gfgit, 14th March 2020 14:48
    drawbackground, qgraphicsscene, qgraphicsview
    • Replies: 2
    • Views: 3,572
    gfgit
    14th March 2020, 16:34 Go to last post

  18. QGraphicsScene background glitches

    Started by gfgit, 14th March 2020 13:14
    • Replies: 0
    • Views: 1,021
    gfgit
    14th March 2020, 13:14 Go to last post

  19. QT c++ OPENGL

    Started by cmartin, 11th March 2020 14:56
    • Replies: 3
    • Views: 2,447
    d_stranz
    12th March 2020, 19:30 Go to last post

  20. QApplication was not created in the main() thread

    Started by mark314, 12th March 2020 08:09
    • Replies: 0
    • Views: 2,040
    mark314
    12th March 2020, 08:09 Go to last post

  21. Question fstream not working

    Started by MongKong, 9th March 2020 21:21
    2d-game, files, game
    • Replies: 2
    • Views: 4,317
    MongKong
    10th March 2020, 19:37 Go to last post

  22. Question QSvgGenerator missing id of generated objects

    Started by nabil.chouba, 9th March 2020 18:38
    • Replies: 0
    • Views: 1,961
    nabil.chouba
    9th March 2020, 18:38 Go to last post

  23. Question Collision

    Started by MongKong, 8th March 2020 12:55
    2d-game, game, gaming
    • Replies: 2
    • Views: 3,988
    d_stranz
    9th March 2020, 17:10 Go to last post

  24. H2 database and Qt Database support

    Started by baray98, 15th February 2020 04:22
    2 Attachment(s)
    • Replies: 8
    • Views: 14,344
    baray98
    6th March 2020, 21:24 Go to last post

  25. QUdpSocket running in QThread - change port

    Started by sanji, 3rd March 2020 11:32
    4 Attachment(s)
    • Replies: 12
    • Views: 8,493
    sanji
    6th March 2020, 07:14 Go to last post

  26. QCommandLineOption with argument list

    Started by JayKemper, 4th March 2020 00:59
    • Replies: 1
    • Views: 2,445
    smyk
    4th March 2020, 09:11 Go to last post

  27. QUdpSocket change port

    Started by sanji, 1st March 2020 22:22
    • Replies: 0
    • Views: 4,097
    sanji
    1st March 2020, 22:22 Go to last post

  28. Question error: exited with code -1073740940 ask for help

    Started by longkimari, 26th February 2020 02:15
    exied code help
    • Replies: 5
    • Views: 7,557
    d_stranz
    1st March 2020, 18:46 Go to last post

  29. Help with understanding QFutureWatcher::progressTextChanged(const QString & progressT

    Started by aubie83, 25th February 2020 19:28
    • Replies: 7
    • Views: 6,272
    d_stranz
    28th February 2020, 17:37 Go to last post

  30. Question error: exited with code -1073740940 ask for help

    Started by longkimari, 26th February 2020 02:07
    exied code help
    • Replies: 0
    • Views: 3,441
    longkimari
    26th February 2020, 02:07 Go to last post
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