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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. QTimer Not Triggering Slot in Qt Application

    Started by skylerclooney, 3rd March 2026 07:05
    qtimer, slot 1 Attachment(s)
    • Replies: 5
    • Views: 160,381
    wysota
    5th March 2026, 17:01 Go to last post

  2. Geometry of native widgets breaks when I put them into a non-native QTabWidget

    Started by nikitagrgv, 2nd October 2025 12:07
    2 Attachment(s)
    • Replies: 1
    • Views: 109,814
    debtresolute
    5th February 2026, 08:14 Go to last post

  3. Processing Large Text File in Qt

    Started by dan1973, 3rd February 2026 06:47
    double, qstringlist, qt 5.15.2, text file
    • Replies: 1
    • Views: 40,095
    d_stranz
    3rd February 2026, 18:43 Go to last post

  4. Add icon to top left corner of all windows and taskbar icon

    Started by why_bother, 16th January 2026 11:43
    • Replies: 4
    • Views: 72,655
    d_stranz
    17th January 2026, 16:47 Go to last post

  5. Determining Field Index in QSqlRelationalTableModel when Using QSqlRelation

    Started by Spiff, 5th September 2025 17:38
    database relation sqlite 4 Attachment(s)
    • Replies: 1
    • Views: 111,169
    meredithsant
    16th January 2026, 08:36 Go to last post

  6. [Qt 5.14.1] [Win32][MySQL 5.6] QSqlQuery::lastError() empty, transaction error?

    Started by QNewbie, 14th January 2026 12:36
    • Replies: 3
    • Views: 33,448
    ajinaniyan
    15th January 2026, 09:39 Go to last post

  7. Phantom white box whilst using Application Window and Windows 11 Mica background on

    Started by Allstar12345, 15th December 2025 18:39
    • Replies: 0
    • Views: 113,511
    Allstar12345
    15th December 2025, 18:39 Go to last post

  8. Qt Graphics Framework and OpenGL

    Started by hanaxi, 14th October 2025 07:05
    opengl, qgraphicsitem, qgraphicsview, qt5 1 Attachment(s)
    • Replies: 1
    • Views: 79,558
    d_stranz
    14th October 2025, 17:36 Go to last post

  9. Debugging issues -debugger stuck?

    Started by QNewbie, 12th June 2025 12:52
    • Replies: 4
    • Views: 121,948
    Javierowess
    1st October 2025, 07:49 Go to last post

  10. setDragMode() changes mouse pointer forever

    Started by Cruz, 7th September 2016 09:43
    • Replies: 3
    • Views: 75,888
    Javierowess
    1st October 2025, 07:47 Go to last post

  11. Exclamation [Mac] Using Chinese names on Mac will cause QVideoWidget to crash

    Started by box111, 12th August 2025 07:53
    1 Attachment(s)
    • Replies: 3
    • Views: 78,782
    wysota
    13th August 2025, 07:48 Go to last post

  12. How to convert decimal to hexadecimal with Qt programming?

    Started by nancyred, 5th August 2025 11:09
    • Replies: 2
    • Views: 57,420
    wysota
    11th August 2025, 09:11 Go to last post

  13. context menu advice

    Started by larry104, 3rd October 2006 23:54
    • Replies: 3
    • Views: 43,771
    d_stranz
    7th August 2025, 18:24 Go to last post

  14. Question PyQt5 GUI -- Resolution Inconsistency issue in Desktop and Laptop

    Started by Shruthe, 3rd June 2025 10:27
    #gui resolution #pyqt5
    • Replies: 1
    • Views: 122,292
    OmarDay
    28th July 2025, 04:40 Go to last post

  15. Understanding Roles

    Started by drmacro, 31st March 2017 15:53
    • Replies: 7
    • Views: 66,911
    bevis0405
    8th July 2025, 07:48 Go to last post

  16. Qt 5.14.1 in 2025

    Started by QNewbie, 23rd May 2025 22:12
    • Replies: 3
    • Views: 102,392
    d_stranz
    13th June 2025, 16:04 Go to last post

  17. Question Application crashed when QSortFilterProxyModel is used for QTableview sorting

    Started by polluxus, 14th October 2015 15:02
    qtableview sort filter
    • Replies: 7
    • Views: 53,225
    Lindern
    31st May 2025, 02:12 Go to last post

  18. QFile::exists(name) verifies PATH to name, but not only FILE name existence

    Started by greglik, 17th March 2015 18:04
    • Replies: 5
    • Views: 61,785
    d_stranz
    26th May 2025, 16:56 Go to last post

  19. get global cursor position on wayland with qt6

    Started by tuli, 21st May 2025 18:22
    qcursor, qt6, wayland
    • Replies: 0
    • Views: 294,587
    tuli
    21st May 2025, 18:22 Go to last post

  20. Vertical scrolling with the mouse wheel in QGraphicsView in versions 5.15.1 and 6.6.1

    Started by VVS, 26th January 2024 10:25
    • Replies: 1
    • Views: 60,189
    Printer
    16th May 2025, 15:03 Go to last post

  21. System border color

    Started by folibis, 22nd October 2013 05:54
    • Replies: 4
    • Views: 53,079
    RokeJulianLockhart
    12th May 2025, 17:26 Go to last post

  22. QHeaderView::ResizeToContents fails on kubuntu 25.04 using flatpak kde runtime 6.9

    Started by StephenHazel, 4th May 2025 23:39
    • Replies: 1
    • Views: 54,140
    StephenHazel
    11th May 2025, 00:50 Go to last post

  23. QUrl adds '/root' to the path

    Started by leha13, 6th May 2025 10:00
    • Replies: 3
    • Views: 50,394
    leha13
    7th May 2025, 13:02 Go to last post

  24. How to edit QSpinBox through keyboard on Linux

    Started by gladysween, 10th June 2024 03:58
    • Replies: 1
    • Views: 90,792
    NorrisHermiston
    28th April 2025, 10:12 Go to last post

  25. QTextDocument color

    Started by bunjee, 15th April 2008 11:40
    • Replies: 11
    • Views: 159,676
    d_stranz
    20th March 2025, 00:17 Go to last post

  26. Troubleshooting USB Communication with Qt and libusb for Embedded Device Recognition

    Started by Andrew23, 17th March 2025 15:16
    libusb, winusb 2 Attachment(s)
    • Replies: 0
    • Views: 281,866
    Andrew23
    17th March 2025, 15:16 Go to last post

  27. Cool QT6 OpenGL left right inverted

    Started by fulgorit, 18th January 2025 21:35
    opengl, qt6
    • Replies: 3
    • Views: 75,605
    fulgorit
    13th March 2025, 09:45 Go to last post

  28. Using VSCode with QML

    Started by Zoinen, 3rd March 2025 13:34
    qml, qmlls, vscode
    • Replies: 3
    • Views: 76,451
    AlanCastro
    9th March 2025, 06:56 Go to last post

  29. Using QML timeline in a C++ framework

    Started by neosettler, 28th June 2024 23:43
    • Replies: 1
    • Views: 95,539
    wysota
    5th March 2025, 12:19 Go to last post

  30. Qt 6: Simulating Multi-Touch (Pan & Zoom) - Migration from Qt 5

    Started by Kaviara, 19th February 2025 07:48
    • Replies: 0
    • Views: 301,082
    Kaviara
    19th February 2025, 07:48 Go to last post
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