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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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    Forum Statistics:

    • Threads: 2,677
    • Posts: 10,818
  1. Drawing lines in QPainter takes a lot of time

    Started by xcxl, 4th June 2019 13:47
    draw, line, lines, qpainter
    • Replies: 17
    • Views: 10,208
    18th January 2022, 20:37 Go to last post
  2. Strange behavior with QTableWidget

    Started by franco.amato, 10th January 2022 22:21
    • Replies: 5
    • Views: 359
    12th January 2022, 17:04 Go to last post
  3. QWizardPage, page id and designer

    Started by zaphod.b, 10th January 2022 14:47
    • Replies: 0
    • Views: 200
    10th January 2022, 14:47 Go to last post
  4. How to update size of nested QWidget?

    Started by Maryu, 24th December 2021 18:40
    layout, qscrollarea, resizing to content
    • Replies: 3
    • Views: 654
    25th December 2021, 17:39 Go to last post
  5. Qt5 and Qt6 font render mismatches

    Started by diverlin, 10th December 2021 23:30
    • Replies: 0
    • Views: 682
    10th December 2021, 23:30 Go to last post
  6. Strange compilation errors when using "invokeMethod"

    Started by jcbaraza, 7th December 2021 21:46
    compilation error, invokemethod, multithreading, qthreadpool
    • Replies: 4
    • Views: 643
    8th December 2021, 18:23 Go to last post
    • Replies: 7
    • Views: 923
    29th November 2021, 13:51 Go to last post
    • Replies: 5
    • Views: 675
    27th November 2021, 01:58 Go to last post
  7. One GL Context Multiple Widgets - Qt 6

    Started by qtoptus, 24th November 2021 17:59
    • Replies: 6
    • Views: 623
    26th November 2021, 17:36 Go to last post
  8. Questions on SQL using QSqlDatabase

    Started by sophvic, 23rd November 2021 21:48
    • Replies: 0
    • Views: 622
    23rd November 2021, 21:48 Go to last post
    • Replies: 5
    • Views: 737
    23rd November 2021, 18:02 Go to last post
  9. QCamera viewfindersettings

    Started by on4qz, 23rd November 2021 16:04
    • Replies: 0
    • Views: 497
    23rd November 2021, 16:04 Go to last post
  10. creating custom signal

    Started by aj2903, 14th March 2009 07:51
    • Replies: 10
    • Views: 46,964
    18th November 2021, 10:33 Go to last post
  11. QFileDialog selecting file or directory

    Started by ^NyAw^, 19th June 2008 16:29
    • Replies: 5
    • Views: 9,920
    14th November 2021, 00:03 Go to last post
    • Replies: 1
    • Views: 450
    13th November 2021, 16:55 Go to last post
    • Replies: 7
    • Views: 803
    12th November 2021, 19:05 Go to last post
  12. How to remove whitespace inside XML tag?

    Started by sophvic, 7th November 2021 04:10
    • Replies: 3
    • Views: 520
    11th November 2021, 16:20 Go to last post
  13. Question Does QDataWidgetMapper use flags?

    Started by Netwiz, 22nd September 2009 01:29
    flags, qdatawidgetmapper, widgets
    • Replies: 1
    • Views: 3,354
    29th October 2021, 01:56 Go to last post
  14. Problems with QGridLayout

    Started by franco.amato, 26th October 2021 09:20
    • Replies: 2
    • Views: 646
    26th October 2021, 19:25 Go to last post
    • Replies: 0
    • Views: 825
    24th October 2021, 20:13 Go to last post
    • Replies: 0
    • Views: 779
    21st October 2021, 02:20 Go to last post
  15. Question QApplication hanging on poll() (sometimes)

    Started by DesertBroncoFan, 12th August 2021 00:54
    qapplication
    • Replies: 3
    • Views: 1,688
    20th October 2021, 23:10 Go to last post
  16. MySQL driver issues on M1 Mac

    Started by Gretsch, 12th October 2021 01:30
    arm64, macos 11, mysql
    • Replies: 0
    • Views: 1,202
    12th October 2021, 01:30 Go to last post
  17. Close and reopen connection to database

    Started by White_Owl, 9th October 2021 00:50
    • Replies: 3
    • Views: 839
    10th October 2021, 15:29 Go to last post
    • Replies: 1
    • Views: 861
    7th October 2021, 11:19 Go to last post
  18. QNetworkAccessManager doesn't call QNetworkReply

    Started by black_gay, 5th October 2021 01:24
    qnetworkaccessmamanager, qnetworkreply, signal slot
    • Replies: 0
    • Views: 867
    5th October 2021, 01:24 Go to last post
  19. QT6.2 qt.conf

    Started by neosettler, 3rd October 2021 03:36
    • Replies: 0
    • Views: 2,929
    3rd October 2021, 03:36 Go to last post
  20. No paint event occurred on MainWindow

    Started by andreaQt, 1st October 2021 14:07
    • Replies: 0
    • Views: 879
    1st October 2021, 14:07 Go to last post
  21. Question What is replacement for QAbstractFileEngine?

    Started by White_Owl, 29th September 2021 17:02
    • Replies: 5
    • Views: 791
    30th September 2021, 16:41 Go to last post
  22. How to embed qt plugins into the executable file?

    Started by franco.amato, 29th September 2021 12:07
    qt plugins
    • Replies: 3
    • Views: 693
    29th September 2021, 18:32 Go to last post

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