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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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    • Threads: 2,686
    • Posts: 10,849
  1. How to create an SQL Function in QSqlDatabase?

    Started by VVS, 30th March 2022 19:02
    qt sqlite
    • Replies: 1
    • Views: 5,224
    27th May 2022, 19:11 Go to last post
  2. Qt::WA_TransparentForMouseEvents

    Started by zaphod.b, 23rd May 2022 15:06
    • Replies: 3
    • Views: 4,190
    24th May 2022, 11:30 Go to last post
  3. QOpenGLWidget and swapBuffers outside paintGL

    Started by aftos, 24th May 2022 09:53
    • Replies: 0
    • Views: 5,111
    24th May 2022, 09:53 Go to last post
    • Replies: 4
    • Views: 2,942
    6th May 2022, 18:54 Go to last post
  4. Qt 5.15 Multitouch issue

    Started by webquinty, 12th April 2022 14:01
    • Replies: 3
    • Views: 2,913
    14th April 2022, 17:15 Go to last post
    • Replies: 2
    • Views: 26,251
    13th April 2022, 19:26 Go to last post
  5. Error while installing OpenCV with Qt

    Started by mlte, 21st March 2022 03:50
    • Replies: 1
    • Views: 1,692
    21st March 2022, 16:06 Go to last post
    • Replies: 4
    • Views: 1,677
    20th March 2022, 16:52 Go to last post
  6. Remove item from QTableView by drag

    Started by franco.amato, 14th March 2022 22:03
    • Replies: 3
    • Views: 1,558
    15th March 2022, 16:18 Go to last post
  7. action with shortcut triggers in parent

    Started by tuli, 4th March 2022 20:46
    • Replies: 1
    • Views: 1,338
    14th March 2022, 21:58 Go to last post
    • Replies: 2
    • Views: 1,891
    9th March 2022, 17:31 Go to last post
  8. How to communicate with USB device (EV3)

    Started by bclay1297@gmail.com, 14th February 2022 18:37
    usb ev3
    • Replies: 1
    • Views: 1,589
    24th February 2022, 10:36 Go to last post
  9. Moved: Slow loading of Qt app on Android

    Started by ahsan735, 24th February 2022 16:33
    qt android 5.5 c++, qt android deployment
    •  
    •  
    • Replies: 3
    • Views: 1,460
    18th February 2022, 20:48 Go to last post
  10. Angry QSortFilterProxyModel very slow when moving a lot of rows

    Started by gabo, 16th February 2022 14:30
    item model, move rows, persistent index, qsortfilterproxymodel, sort
    • Replies: 1
    • Views: 1,525
    16th February 2022, 17:37 Go to last post
    • Replies: 1
    • Views: 1,180
    15th February 2022, 08:17 Go to last post
  11. Read a file containing key-value pair

    Started by franco.amato, 14th February 2022 21:33
    • Replies: 1
    • Views: 1,025
    15th February 2022, 08:15 Go to last post
  12. Drawing lines in QPainter takes a lot of time

    Started by xcxl, 4th June 2019 13:47
    2 Pages
    1 2
    • Replies: 21
    • Views: 17,226
    13th February 2022, 18:59 Go to last post
    • Replies: 1
    • Views: 1,007
    8th February 2022, 17:44 Go to last post
    • Replies: 5
    • Views: 1,543
    8th February 2022, 17:25 Go to last post
  13. Trying to convert python code to Qt c++

    Started by panoss, 5th February 2022 17:31
    • Replies: 2
    • Views: 1,049
    7th February 2022, 08:19 Go to last post
  14. KDE Plasma HiDPI icons

    Started by Vicolaships, 5th February 2022 13:59
    • Replies: 1
    • Views: 1,128
    7th February 2022, 08:14 Go to last post
    • Replies: 0
    • Views: 6,553
    6th February 2022, 21:48 Go to last post
    • Replies: 2
    • Views: 1,013
    31st January 2022, 16:44 Go to last post
    • Replies: 2
    • Views: 1,190
    25th January 2022, 22:08 Go to last post
  15. QTreeWidget takeChildren() without removing

    Started by franco.amato, 20th January 2022 16:59
    qtreewidget
    • Replies: 3
    • Views: 1,413
    21st January 2022, 02:34 Go to last post
  16. Strange behavior with QTableWidget

    Started by franco.amato, 10th January 2022 22:21
    • Replies: 5
    • Views: 2,926
    12th January 2022, 17:04 Go to last post
  17. QWizardPage, page id and designer

    Started by zaphod.b, 10th January 2022 14:47
    • Replies: 0
    • Views: 5,839
    10th January 2022, 14:47 Go to last post
  18. How to update size of nested QWidget?

    Started by Maryu, 24th December 2021 18:40
    layout, qscrollarea, resizing to content
    • Replies: 3
    • Views: 3,802
    25th December 2021, 17:39 Go to last post
  19. Qt5 and Qt6 font render mismatches

    Started by diverlin, 10th December 2021 23:30
    • Replies: 0
    • Views: 6,297
    10th December 2021, 23:30 Go to last post

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