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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. Qt c++ - how to show a refcursor retrieving from a postgres stored procedure?

    Started by synpro85, 26th June 2014 15:04
    data base, postgresql, qt c++
    • Replies: 1
    • Views: 10,970
    panch-dima
    6th March 2023, 12:05 Go to last post

  2. QTabWidget performance issue if there are hundreds of tabs

    Started by jasonhxs, 17th February 2023 06:01
    qtabwidget performance
    • Replies: 4
    • Views: 3,585
    jasonhxs
    24th February 2023, 09:49 Go to last post

  3. Displaying Widgets on multiple, virtual displays (headless rpi)

    Started by davethomaspilot, 29th January 2023 16:19
    • Replies: 2
    • Views: 3,485
    d_stranz
    7th February 2023, 16:26 Go to last post

  4. QLabels not getting resizeEvent--how to invoke?

    Started by davethomaspilot, 3rd February 2023 15:12
    • Replies: 4
    • Views: 3,536
    davethomaspilot
    4th February 2023, 21:27 Go to last post

  5. QT Widgets, Touch screen, Ubuntu 22.04, On-Screen keyboard issues

    Started by Linwood, 25th January 2023 19:10
    • Replies: 0
    • Views: 11,248
    Linwood
    25th January 2023, 19:10 Go to last post

  6. QSqlDatabase database seems not to stay open

    Started by floridiaan, 29th December 2022 16:25
    qsqldatabase
    • Replies: 2
    • Views: 3,253
    sophvic
    4th January 2023, 11:12 Go to last post

  7. How to remove contents between all occurance of certain html tag?

    Started by sophvic, 3rd January 2023 17:49
    • Replies: 1
    • Views: 2,857
    sophvic
    4th January 2023, 04:03 Go to last post

  8. Incorrect floating table positioning in QTextEdit

    Started by Sergm, 3rd January 2023 17:17
    • Replies: 0
    • Views: 8,573
    Sergm
    3rd January 2023, 17:17 Go to last post

  9. keyPressEvent

    Started by Radek, 18th December 2022 20:42
    • Replies: 2
    • Views: 3,352
    Radek
    20th December 2022, 06:12 Go to last post

  10. ODBC to MS SQL Server failes since KB5019959

    Started by derschuhmann, 22nd November 2022 09:16
    database, kb5019959, odbc, sql
    • Replies: 2
    • Views: 6,942
    Ginsengelf
    7th December 2022, 15:30 Go to last post

  11. QStackedWidget on QHBoxLayout

    Started by buster, 4th December 2022 21:37
    • Replies: 2
    • Views: 3,109
    buster
    6th December 2022, 16:35 Go to last post

  12. QTabWidget and initial focus

    Started by tuli, 4th December 2022 00:54
    • Replies: 0
    • Views: 10,745
    tuli
    4th December 2022, 00:54 Go to last post

  13. Right Click a QCalendarWidget date

    Started by bull3t, 21st November 2022 16:50
    qcalendarwidget, qmenu, right click
    • Replies: 2
    • Views: 3,887
    stryga42
    30th November 2022, 18:29 Go to last post

  14. zooming via QPainter::scale

    Started by tuli, 24th November 2022 07:34
    • Replies: 2
    • Views: 3,613
    tuli
    24th November 2022, 18:53 Go to last post

  15. Number of tick marks on the axis in QBarCategoryAxis.

    Started by quant, 8th September 2020 14:05
    1 Attachment(s)
    • Replies: 4
    • Views: 11,450
    d_stranz
    20th November 2022, 16:27 Go to last post

  16. building a mysql dll in QT to connect to a database

    Started by floridiaan, 16th November 2022 20:45
    mysql & qt
    • Replies: 4
    • Views: 4,199
    d_stranz
    19th November 2022, 16:10 Go to last post

  17. QTableView with checkboxes - can't disable selections between checkboxes

    Started by alketi, 25th October 2022 19:39
    qcheckbox, qtableview, selection, selection behavior 1 Attachment(s)
    • Replies: 1
    • Views: 3,934
    stryga42
    17th November 2022, 17:36 Go to last post

  18. QT and Skype

    Started by floridiaan, 6th November 2022 21:17
    api, skype
    • Replies: 1
    • Views: 2,951
    stryga42
    17th November 2022, 17:29 Go to last post

  19. QtCharts delayed legend repaint

    Started by WolfByte, 14th October 2022 13:44
    event, legend, qtcharts, queue, repaint
    • Replies: 2
    • Views: 2,789
    WolfByte
    14th October 2022, 18:17 Go to last post

  20. QTimer::singleShot(0, ... confusion

    Started by bjoern83, 19th April 2010 11:53
    • Replies: 5
    • Views: 34,170
    lanmanck
    9th October 2022, 10:30 Go to last post

  21. How to get 2nd column data from QFileSystemModel on QListView

    Started by rawfool, 7th October 2022 16:21
    qfilesystemmodel, qlistview 1 Attachment(s)
    • Replies: 1
    • Views: 2,581
    d_stranz
    7th October 2022, 22:01 Go to last post

  22. Paint an image excluding a rect

    Started by franco.amato, 6th October 2022 15:17
    • Replies: 1
    • Views: 2,155
    d_stranz
    6th October 2022, 17:41 Go to last post

  23. Hosting a Cwnd inside a widget

    Started by perdrix, 16th September 2022 01:00
    • Replies: 1
    • Views: 2,567
    d_stranz
    16th September 2022, 17:19 Go to last post

  24. Create files required by application from resource files?

    Started by davethomaspilot, 5th September 2022 01:31
    • Replies: 3
    • Views: 3,073
    d_stranz
    7th September 2022, 16:48 Go to last post

  25. How to change empty editor color?

    Started by Borneq, 13th August 2022 10:41
    qtabwidget
    • Replies: 4
    • Views: 4,007
    alketi
    1st September 2022, 20:14 Go to last post

  26. Static QEventLoop gives message "QEventLoop: Cannot be used without QApplication"

    Started by davethomaspilot, 30th August 2022 15:50
    • Replies: 2
    • Views: 2,673
    davethomaspilot
    30th August 2022, 18:08 Go to last post

  27. monitor progress of MariaDB dump file import

    Started by sunburns, 17th February 2022 19:43
    • Replies: 6
    • Views: 5,570
    sunburns
    25th August 2022, 19:47 Go to last post

  28. QTimer::setInterval while timer running

    Started by davethomaspilot, 17th August 2022 16:45
    • Replies: 3
    • Views: 5,587
    d_stranz
    17th August 2022, 21:21 Go to last post

  29. QBitArray - find first/last set or clean bit

    Started by Borneq, 13th August 2022 12:47
    qbitarray
    • Replies: 1
    • Views: 2,882
    d_stranz
    13th August 2022, 17:08 Go to last post

  30. Promote Button does not appear in "Promoted Widgets" Dialog

    Started by davethomaspilot, 6th August 2022 13:46
    2 Attachment(s)
    • Replies: 1
    • Views: 2,928
    d_stranz
    6th August 2022, 16:20 Go to last post
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