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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. Catch MSSQL stored procedure Output return value

    Started by ce_nort, 2nd February 2020 18:56
    mssql, stored procedure
    • Replies: 2
    • Views: 7,690
    ce_nort
    16th February 2020, 17:27 Go to last post

  2. how to use a hashed password as a private key for data encryption/decryption in Qt?

    Started by Pachuca, 8th February 2020 15:56
    decryption, encryption, hash, login, password
    • Replies: 3
    • Views: 12,856
    ChrisW67
    15th February 2020, 02:27 Go to last post

  3. How to check un-check a checkbox when clicking on text

    Started by leinad, 13th February 2020 18:13
    • Replies: 3
    • Views: 7,894
    d_stranz
    14th February 2020, 16:07 Go to last post

  4. QTableView default font and header sizes changes from Qt5.9 to Qt5.12

    Started by martakuki, 12th February 2020 12:16
    1 Attachment(s)
    • Replies: 2
    • Views: 11,380
    martakuki
    14th February 2020, 10:34 Go to last post

  5. How to use GMP with Qt creator 5 (latest version) on Windows?

    Started by lehuyduc, 10th February 2020 15:24
    gmp, library, linking, qt creator
    • Replies: 3
    • Views: 10,907
    ChrisW67
    11th February 2020, 08:51 Go to last post

  6. How to make a filterable and sortable list of Widgets

    Started by dlobron, 10th February 2020 20:58
    c++, card, qlistview qitemdelegate, widget
    • Replies: 1
    • Views: 6,314
    d_stranz
    10th February 2020, 21:59 Go to last post

  7. error: expected unqualified-id before numeric constant

    Started by Pragya, 24th May 2007 08:08
    2 Pages •
    1 2
    • Replies: 28
    • Views: 122,095
    d_stranz
    9th February 2020, 20:39 Go to last post

  8. QProcess Signal Connection and Type

    Started by rhb327, 5th February 2020 21:58
    • Replies: 3
    • Views: 9,307
    ChristianEhrlicher
    7th February 2020, 05:24 Go to last post

  9. MouseButtonRelease only works once on Linux

    Started by leinad, 5th February 2020 16:27
    • Replies: 1
    • Views: 1,552
    ^NyAw^
    6th February 2020, 16:51 Go to last post

  10. How to properly support multiple icon sets

    Started by pkli, 5th February 2020 16:03
    c++, icons, qapplication, qwidget, themes
    • Replies: 0
    • Views: 21,793
    pkli
    5th February 2020, 16:03 Go to last post

  11. How to build a search tool bar like Wireshark

    Started by leinad, 28th January 2020 20:07
    • Replies: 5
    • Views: 6,101
    d_stranz
    31st January 2020, 17:59 Go to last post

  12. Question 10 - 12 bit grayscale QImage format display

    Started by moccij, 29th January 2020 17:33
    • Replies: 5
    • Views: 6,954
    d_stranz
    31st January 2020, 17:58 Go to last post

  13. Making QTreeView Items Checkable

    Started by JimDaniel, 4th February 2008 20:19
    • Replies: 4
    • Views: 6,792
    d_stranz
    30th January 2020, 16:43 Go to last post

  14. In Linux round() NAN float, return negative garbage values

    Started by npatil15, 29th January 2020 04:35
    float, rounding
    • Replies: 2
    • Views: 3,861
    npatil15
    29th January 2020, 07:17 Go to last post

  15. Losing palette colors when app goes out of focus.

    Started by weaver4, 28th January 2020 15:32
    qwidget palette
    • Replies: 2
    • Views: 3,929
    weaver4
    28th January 2020, 16:31 Go to last post

  16. QModelIndexList: getting 4 QModelIndex for each item selected in a QTreeView.

    Started by robgeek, 27th January 2020 14:58
    • Replies: 1
    • Views: 4,629
    d_stranz
    27th January 2020, 17:53 Go to last post

  17. How to hide Close Button "X" on Widget ?

    Started by merry, 23rd April 2008 05:25
    • Replies: 8
    • Views: 73,256
    MhmRhm
    25th January 2020, 08:03 Go to last post

  18. Udp send and receive problem

    Started by ruzgarin_oglu, 15th January 2020 17:44
    firewall, not responding, qudpsocket, wireshark
    • Replies: 6
    • Views: 9,109
    ChrisW67
    25th January 2020, 07:34 Go to last post

  19. Vertical label text

    Started by Maxxximo, 24th January 2020 12:29
    • Replies: 3
    • Views: 2,635
    d_stranz
    24th January 2020, 17:32 Go to last post

  20. Best Way to Poll for a Flag in Main Event Thread

    Started by leinad, 23rd January 2020 16:38
    • Replies: 1
    • Views: 5,166
    d_stranz
    23rd January 2020, 17:05 Go to last post

  21. How to delay the layout-ing of a QGridLayout, until all widgets are visible?

    Started by mchl.nix, 21st January 2020 16:08
    layout, qgridlayout, qgridlayout.sizing, visible
    • Replies: 3
    • Views: 10,683
    d_stranz
    22nd January 2020, 15:57 Go to last post

  22. QFileSystemModel: setRootPath() always shows me the same folder in Linux.

    Started by robgeek, 20th January 2020 23:28
    • Replies: 2
    • Views: 6,214
    robgeek
    21st January 2020, 15:15 Go to last post

  23. How to save the image in clipboard in variable and restore it to clipboard later?

    Started by qtcentre2019, 19th January 2020 10:12
    clipboard, mimedata, qclipboard
    • Replies: 2
    • Views: 7,448
    qtcentre2019
    20th January 2020, 07:10 Go to last post

  24. Problem linking external dll from SDK

    Started by slavisac, 8th January 2020 14:26
    • Replies: 3
    • Views: 11,414
    d_stranz
    18th January 2020, 00:25 Go to last post

  25. Fast QPixmap rotation in 90° steps

    Started by stryga42, 6th January 2020 10:39
    • Replies: 3
    • Views: 9,970
    ChrisW67
    17th January 2020, 08:04 Go to last post

  26. Use Code Model in QT creator plugin

    Started by AngeloFrancabandiera, 15th January 2020 13:16
    plugin, qtcreator
    • Replies: 2
    • Views: 9,230
    AngeloFrancabandiera
    16th January 2020, 07:25 Go to last post

  27. Error calling C++ function from QML

    Started by rhb327, 15th January 2020 00:22
    • Replies: 1
    • Views: 4,008
    d_stranz
    15th January 2020, 17:50 Go to last post

  28. How to detect when QSortFilterProxyModel has finished filtering

    Started by qtstarter101, 14th January 2020 01:17
    • Replies: 1
    • Views: 6,046
    d_stranz
    14th January 2020, 20:18 Go to last post

  29. Question qtablewidget edit only numbers

    Started by slavisac, 14th January 2020 09:22
    • Replies: 1
    • Views: 8,351
    d_stranz
    14th January 2020, 19:36 Go to last post

  30. QChart slow when plotting large data signals

    Started by DAVC, 22nd February 2019 12:02
    • Replies: 9
    • Views: 17,906
    d_stranz
    14th January 2020, 19:23 Go to last post
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