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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: 10,901

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  1. Drawing a small rect on each item of a QListWidget

    Started by franco.amato, 14th October 2020 02:00
    • Replies: 1
    • Views: 2,873
    d_stranz
    14th October 2020, 18:15 Go to last post

  2. QMainWindow or QDialog show() - before displaying, the window area is painted white

    Started by VVS, 13th October 2020 13:42
    qdialog show
    • Replies: 0
    • Views: 1,370
    VVS
    13th October 2020, 13:42 Go to last post

  3. Xinput_calibrator and multi monitor

    Started by Nemom, 12th October 2020 07:43
    calibration, linux, touch
    • Replies: 0
    • Views: 5,007
    Nemom
    12th October 2020, 07:43 Go to last post

  4. QString -> C string -> Fortran subroutine

    Started by gib, 9th October 2020 14:45
    • Replies: 6
    • Views: 3,035
    ChristianEhrlicher
    11th October 2020, 12:20 Go to last post

  5. Is it possible to programmatically delete the QValueAxis axis.

    Started by quant, 9th October 2020 12:01
    • Replies: 4
    • Views: 5,373
    d_stranz
    10th October 2020, 22:53 Go to last post

  6. Issue with createWindowContainer + SDL

    Started by Brkopac, 31st October 2014 19:37
    • Replies: 6
    • Views: 6,956
    d_stranz
    6th October 2020, 20:38 Go to last post

  7. Issue when i open window from mainwindow after the 1st time - it will open very small

    Started by andreaQt, 5th October 2020 12:29
    1 Attachment(s)
    • Replies: 0
    • Views: 3,284
    andreaQt
    5th October 2020, 12:29 Go to last post

  8. MSVC 2017 32-bit can't run qmake

    Started by bozidark35, 3rd October 2020 14:02
    • Replies: 1
    • Views: 4,059
    d_stranz
    3rd October 2020, 17:48 Go to last post

  9. PDF color in WebEngineView

    Started by youngw, 3rd October 2020 08:16
    • Replies: 0
    • Views: 3,246
    youngw
    3rd October 2020, 08:16 Go to last post

  10. How emit signal when a QCheckBox inserted in a QList<QCheckBox*> change its status?

    Started by andreaQt, 1st October 2020 15:58
    1 Attachment(s)
    • Replies: 5
    • Views: 3,365
    d_stranz
    2nd October 2020, 19:19 Go to last post

  11. Widget access from a QThread

    Started by spike6479, 30th September 2020 15:18
    c++ thread
    • Replies: 2
    • Views: 4,054
    ChristianEhrlicher
    30th September 2020, 17:59 Go to last post

  12. RS-232 and RS-422

    Started by A9am, 16th October 2013 08:02
    • Replies: 4
    • Views: 5,995
    samarth
    30th September 2020, 07:57 Go to last post

  13. How to access to a var in the main window (QWidget) from an other window (QWidget)???

    Started by andreaQt, 28th September 2020 11:12
    • Replies: 4
    • Views: 4,804
    d_stranz
    29th September 2020, 19:11 Go to last post

  14. Weird QWizard restart problem [pyQt]

    Started by TheGrudge, 27th September 2020 14:44
    pyqt, qwizard
    • Replies: 1
    • Views: 3,548
    d_stranz
    27th September 2020, 17:25 Go to last post

  15. How to expose dynamically amount of data to QML

    Started by sandro4912, 25th September 2020 15:26
    • Replies: 1
    • Views: 3,213
    d_stranz
    25th September 2020, 19:54 Go to last post

  16. Main Window Title Bar with Date / Clock

    Started by Habibie, 24th September 2020 17:05
    clock, date, window title bar
    • Replies: 4
    • Views: 4,718
    Habibie
    25th September 2020, 01:27 Go to last post

  17. Container for continuously received messages (e.g. QCanBusFrame): QVector vs. QList

    Started by Cryptkeeper, 24th September 2020 18:40
    qcanbusframe, qlist, qsharedpointer, qvector
    • Replies: 0
    • Views: 2,222
    Cryptkeeper
    24th September 2020, 18:40 Go to last post

  18. Question QTreeView / Model problem - rowCount never called with valid parent

    Started by NorthTommy, 24th September 2020 08:57
    qabstracttablemodel, qtableview, rowcount
    • Replies: 2
    • Views: 11,672
    d_stranz
    24th September 2020, 18:30 Go to last post

  19. Convert connect function to thread

    Started by bozidark35, 24th September 2020 15:24
    • Replies: 0
    • Views: 3,839
    bozidark35
    24th September 2020, 15:24 Go to last post

  20. QtConcurrentRun problem

    Started by bozidark35, 24th September 2020 12:56
    • Replies: 1
    • Views: 3,465
    Lesiok
    24th September 2020, 13:52 Go to last post

  21. mouse events are not processed promptly in 5.12 or 5.14.

    Started by bridgebuilder, 24th September 2020 08:21
    x11 mouse
    • Replies: 0
    • Views: 2,908
    bridgebuilder
    24th September 2020, 08:21 Go to last post

  22. Question QTreeView / Model problem - rowCount never called with valid parent

    Started by NorthTommy, 24th September 2020 01:55
    qabstractitemmodel, qtreeview
    • Replies: 0
    • Views: 2,468
    NorthTommy
    24th September 2020, 01:55 Go to last post

  23. How to capture a right click in QComboBox

    Started by buster, 22nd September 2020 17:37
    • Replies: 2
    • Views: 5,462
    d_stranz
    24th September 2020, 01:20 Go to last post

  24. Procorrect way to remove checked elements from a QListWidget

    Started by franco.amato, 22nd September 2020 02:07
    qlistwidget
    • Replies: 4
    • Views: 10,333
    Lesiok
    22nd September 2020, 17:01 Go to last post

  25. QVector<QVector3D> index out of range at pushback operation

    Started by andreaQt, 4th September 2020 16:49
    • Replies: 3
    • Views: 6,119
    andreaQt
    21st September 2020, 15:59 Go to last post

  26. QComboBox BUG?

    Started by mak_user, 29th January 2012 17:07
    1 Attachment(s)
    • Replies: 15
    • Views: 11,259
    tomancik
    18th September 2020, 07:00 Go to last post

  27. Question how to Drag and drop QFrame inside Qtreewidget

    Started by Elan, 16th September 2020 17:57
    drag & drop, mimedata, pyqt5, qframe, qtreewidget 2 Attachment(s)
    • Replies: 0
    • Views: 7,820
    Elan
    16th September 2020, 17:57 Go to last post

  28. Question QMYSQL - Naming a connection makes drivers unavailable

    Started by RyanR, 15th September 2020 12:38
    mysql
    • Replies: 2
    • Views: 6,647
    RyanR
    16th September 2020, 10:24 Go to last post

  29. how to keep sub element in the parent swipeView?

    Started by madainong, 7th September 2020 00:59
    2 Attachment(s)
    • Replies: 0
    • Views: 7,015
    madainong
    7th September 2020, 00:59 Go to last post

  30. Exclamation How to draw a rectangle around selected text in QPlainTextEditor in Qt?

    Started by TheIndependentAquarius, 4th September 2020 21:16
    • Replies: 3
    • Views: 5,746
    TheIndependentAquarius
    6th September 2020, 13:01 Go to last post
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