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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. Is there a signal "broadcast" capability in Qt?

    Started by d_stranz, 28th January 2021 17:26
    broadcasting, signals, slots
    • Replies: 1
    • Views: 1,938
    ChristianEhrlicher
    28th January 2021, 19:26 Go to last post

  2. QSlider Iteration Misses Sample Data on QCustomPlot

    Started by cranberriess89, 18th January 2021 12:09
    c++, qcustomplot, qslider, qtwidget
    • Replies: 12
    • Views: 7,443
    cranberriess89
    27th January 2021, 08:32 Go to last post

  3. Question (PyQt5) QDateEdit write date from the keyboard

    Started by Odium, 26th January 2021 10:48
    answer, pyqt5, qdateedit
    • Replies: 1
    • Views: 3,432
    d_stranz
    27th January 2021, 00:21 Go to last post

  4. qwtplotspectrocurve

    Started by BogdanR, 26th January 2021 16:20
    • Replies: 0
    • Views: 1,845
    BogdanR
    26th January 2021, 16:20 Go to last post

  5. How to properly set a background image of a custom widget

    Started by franco.amato, 24th January 2021 22:23
    • Replies: 3
    • Views: 4,041
    d_stranz
    25th January 2021, 17:29 Go to last post

  6. Qt app: Create a shell link to my app with a pixmap as the link icon

    Started by ddonate, 25th January 2021 12:29
    icon, link, shell
    • Replies: 0
    • Views: 2,539
    ddonate
    25th January 2021, 12:29 Go to last post

  7. How to properly use the asynchronous libusb?

    Started by Andrew23, 24th January 2021 17:36
    asynchronous, libusb
    • Replies: 0
    • Views: 2,703
    Andrew23
    24th January 2021, 17:36 Go to last post

  8. QPSQL unable to COPY large files

    Started by dehm, 23rd January 2021 17:48
    • Replies: 0
    • Views: 1,713
    dehm
    23rd January 2021, 17:48 Go to last post

  9. Crash with endResetModel

    Started by Carlsberg, 20th January 2021 12:48
    • Replies: 6
    • Views: 3,809
    d_stranz
    21st January 2021, 16:27 Go to last post

  10. Animating QDockWidget

    Started by vajindarladdad, 11th December 2008 10:16
    animating qdockwidget
    • Replies: 2
    • Views: 3,842
    d_stranz
    18th January 2021, 17:27 Go to last post

  11. QSlider Iteration Misses Sample Data on QCustomPlot

    Started by cranberriess89, 18th January 2021 12:04
    c++, qcustomplot, qslider, qwidget
    • Replies: 1
    • Views: 3,323
    d_stranz
    18th January 2021, 17:19 Go to last post

  12. New window doesn't open even though I initialize QMainWindow parent class

    Started by Cheems, 17th January 2021 20:11
    • Replies: 3
    • Views: 2,412
    d_stranz
    18th January 2021, 16:53 Go to last post

  13. (PyQt) QSortFilterProxyModel very slow when sorting

    Started by TheGrudge, 17th January 2021 12:44
    model, pyqt, qsortfilterproxymodel, sorting
    • Replies: 0
    • Views: 6,269
    TheGrudge
    17th January 2021, 12:44 Go to last post

  14. Question Issue occurring with successive calls to QX11EmbedContainer::embedClient()

    Started by y10, 13th January 2021 17:11
    • Replies: 1
    • Views: 6,317
    d_stranz
    13th January 2021, 21:01 Go to last post

  15. Read with one thread, send datas to another thread

    Started by suslucoder, 10th January 2021 16:42
    multi thread, read file, threads
    • Replies: 3
    • Views: 3,888
    d_stranz
    11th January 2021, 17:43 Go to last post

  16. add vertical spacer in QGridLayout

    Started by dan1973, 9th January 2021 08:07
    qt5.8
    • Replies: 1
    • Views: 5,858
    ChristianEhrlicher
    9th January 2021, 13:15 Go to last post

  17. display multimedia camera in QT3D

    Started by FCT77, 7th January 2021 02:26
    • Replies: 0
    • Views: 4,676
    FCT77
    7th January 2021, 02:26 Go to last post

  18. How to properly synchronize two threads accessing a QQueue simultaneously

    Started by franco.amato, 4th January 2021 04:09
    • Replies: 1
    • Views: 3,819
    d_stranz
    4th January 2021, 17:10 Go to last post

  19. Find newline character in a QTextEdit / QPlainTextEdit

    Started by Fred, 2nd January 2021 11:02
    • Replies: 4
    • Views: 4,429
    Fred
    3rd January 2021, 19:05 Go to last post

  20. Qt app using oAuth2.0 for authentification

    Started by SteveQt, 24th November 2015 15:48
    • Replies: 2
    • Views: 7,399
    pablodiazgutierrez
    19th December 2020, 01:48 Go to last post

  21. Make Clean not working as in previous version of QTcreator

    Started by emp1953, 14th December 2020 17:13
    make clean, qmake, run time 1 Attachment(s)
    • Replies: 3
    • Views: 6,178
    ChrisW67
    17th December 2020, 08:41 Go to last post

  22. How to implement HCI calls in QtCreator ?

    Started by anneranch, 15th December 2020 16:44
    hci
    • Replies: 2
    • Views: 2,429
    d_stranz
    15th December 2020, 17:19 Go to last post

  23. Question Groups inside QTreeView (using QAbstractItemModel)

    Started by gabo, 8th December 2020 10:55
    group, qabstractitemmodel, qstandarditemmodel, qtcreator, qtreeview 1 Attachment(s)
    • Replies: 4
    • Views: 5,600
    gabo
    14th December 2020, 11:33 Go to last post

  24. Drawing on top of all widgets

    Started by quant, 9th December 2020 10:59
    • Replies: 3
    • Views: 2,912
    quant
    13th December 2020, 11:31 Go to last post

  25. Exclamation [Qt6] StartDrag making crash on Qt6

    Started by Alundra, 11th December 2020 21:22
    • Replies: 6
    • Views: 8,648
    Alundra
    12th December 2020, 22:18 Go to last post

  26. Remove tab in event not thread safe? Having an assert making the app crashing.

    Started by Alundra, 12th December 2020 18:08
    • Replies: 0
    • Views: 3,990
    Alundra
    12th December 2020, 18:08 Go to last post

  27. Question QGraphicsView, change mouse click/move item button (left is default)

    Started by sQaT, 9th December 2020 23:46
    python, qgraphicsscene, qgraphicsview
    • Replies: 2
    • Views: 6,603
    sQaT
    11th December 2020, 09:32 Go to last post

  28. Wrong C++ syntax

    Started by anneranch, 6th December 2020 17:19
    c++
    • Replies: 16
    • Views: 12,327
    d_stranz
    11th December 2020, 04:28 Go to last post

  29. Exclamation QPalette::PlaceholderText in stylesheet?

    Started by Alundra, 11th December 2020 00:41
    • Replies: 0
    • Views: 3,742
    Alundra
    11th December 2020, 00:41 Go to last post

  30. How can I dock widgets between two windows?

    Started by pixaeiro, 8th December 2020 23:23
    3 Attachment(s)
    • Replies: 1
    • Views: 3,425
    d_stranz
    9th December 2020, 01:01 Go to last post
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