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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. Paint an image excluding a rect

    Started by franco.amato, 6th October 2022 15:17
    • Replies: 1
    • Views: 1,052
    d_stranz
    6th October 2022, 17:41 Go to last post

  2. Hosting a Cwnd inside a widget

    Started by perdrix, 16th September 2022 01:00
    • Replies: 1
    • Views: 1,492
    d_stranz
    16th September 2022, 17:19 Go to last post

  3. Create files required by application from resource files?

    Started by davethomaspilot, 5th September 2022 01:31
    • Replies: 3
    • Views: 1,552
    d_stranz
    7th September 2022, 16:48 Go to last post

  4. How to change empty editor color?

    Started by Borneq, 13th August 2022 10:41
    qtabwidget
    • Replies: 4
    • Views: 2,102
    alketi
    1st September 2022, 20:14 Go to last post

  5. Static QEventLoop gives message "QEventLoop: Cannot be used without QApplication"

    Started by davethomaspilot, 30th August 2022 15:50
    • Replies: 2
    • Views: 1,277
    davethomaspilot
    30th August 2022, 18:08 Go to last post

  6. monitor progress of MariaDB dump file import

    Started by sunburns, 17th February 2022 19:43
    • Replies: 6
    • Views: 3,666
    sunburns
    25th August 2022, 19:47 Go to last post

  7. QTimer::setInterval while timer running

    Started by davethomaspilot, 17th August 2022 16:45
    • Replies: 3
    • Views: 2,884
    d_stranz
    17th August 2022, 21:21 Go to last post

  8. QBitArray - find first/last set or clean bit

    Started by Borneq, 13th August 2022 12:47
    qbitarray
    • Replies: 1
    • Views: 1,532
    d_stranz
    13th August 2022, 17:08 Go to last post

  9. Promote Button does not appear in "Promoted Widgets" Dialog

    Started by davethomaspilot, 6th August 2022 13:46
    2 Attachment(s)
    • Replies: 1
    • Views: 1,685
    d_stranz
    6th August 2022, 16:20 Go to last post

  10. How to interrupt a QtConcurrent::blockingMap

    Started by StefanCat, 10th February 2016 16:51
    • Replies: 12
    • Views: 7,835
    VTiTux
    29th July 2022, 17:44 Go to last post

  11. Question QAbstractItemModel now showing data in QTableView

    Started by scarleton, 23rd July 2022 16:11
    • Replies: 2
    • Views: 1,849
    scarleton
    23rd July 2022, 16:29 Go to last post

  12. Can't get child of qDomNode

    Started by davidlamhauge, 21st July 2022 08:28
    qdomdocument, qdomnode, xml
    • Replies: 5
    • Views: 2,066
    davidlamhauge
    23rd July 2022, 08:59 Go to last post

  13. Scene vs. multiple views

    Started by lni, 6th February 2009 15:50
    1 Attachment(s)
    • Replies: 16
    • Views: 13,747
    d_stranz
    19th July 2022, 01:47 Go to last post

  14. Use "LOAD DATA LOCAL INFILE" with Qt SQL - How to setup loose-local-infile = 1

    Started by qlands, 12th July 2022 17:13
    mysql & qt, qsqlquery
    • Replies: 1
    • Views: 2,331
    qlands
    13th July 2022, 11:42 Go to last post

  15. Split QStringList in Chucks

    Started by qlands, 4th July 2022 15:29
    qstringlist
    • Replies: 2
    • Views: 2,117
    d_stranz
    5th July 2022, 17:05 Go to last post

  16. Question QGraphicsProxyWidget usage leads to QApplication destructor crashing

    Started by redsoft, 25th June 2022 18:00
    qapplication, qgraphicsproxywidget
    • Replies: 1
    • Views: 1,826
    d_stranz
    1st July 2022, 16:24 Go to last post

  17. Using two separate databases over ODBC inside a class fails

    Started by Tiansen, 8th June 2022 20:08
    • Replies: 2
    • Views: 2,052
    Tiansen
    9th June 2022, 22:16 Go to last post

  18. QFontMetrics::boundingRect() and QPainter::draw() differences.

    Started by Lykurg, 27th February 2013 10:02
    • Replies: 3
    • Views: 9,109
    Blanky
    9th June 2022, 16:29 Go to last post

  19. Viewing QSqlTableModel in QTreeView through a proxy model

    Started by kazaak, 7th January 2018 21:04
    qsqltablemodel, qtreeview
    • Replies: 3
    • Views: 14,695
    d_stranz
    28th May 2022, 16:37 Go to last post

  20. How to create an SQL Function in QSqlDatabase?

    Started by VVS, 30th March 2022 18:02
    qt sqlite
    • Replies: 1
    • Views: 5,741
    stryga42
    27th May 2022, 18:11 Go to last post

  21. Qt::WA_TransparentForMouseEvents

    Started by zaphod.b, 23rd May 2022 14:06
    • Replies: 3
    • Views: 5,488
    zaphod.b
    24th May 2022, 10:30 Go to last post

  22. QOpenGLWidget and swapBuffers outside paintGL

    Started by aftos, 24th May 2022 08:53
    • Replies: 0
    • Views: 10,239
    aftos
    24th May 2022, 08:53 Go to last post

  23. Create an object instance in separate thread

    Started by franco.amato, 4th May 2022 18:56
    • Replies: 4
    • Views: 3,674
    d_stranz
    6th May 2022, 17:54 Go to last post

  24. Qt 5.15 Multitouch issue

    Started by webquinty, 12th April 2022 13:01
    • Replies: 3
    • Views: 3,519
    d_stranz
    14th April 2022, 16:15 Go to last post

  25. How to set a "dark color theme" for all widgets within the application ?

    Started by ralfwickum, 23rd July 2015 08:26
    color, dark, theme
    • Replies: 2
    • Views: 27,638
    osirisgothra
    13th April 2022, 18:26 Go to last post

  26. Error while installing OpenCV with Qt

    Started by mlte, 21st March 2022 02:50
    opencv qt 1 Attachment(s)
    • Replies: 1
    • Views: 2,178
    d_stranz
    21st March 2022, 15:06 Go to last post

  27. QSqlTableModel, how to recognize new records from dirty records

    Started by franco.amato, 18th March 2022 20:12
    • Replies: 4
    • Views: 2,188
    d_stranz
    20th March 2022, 15:52 Go to last post

  28. Remove item from QTableView by drag

    Started by franco.amato, 14th March 2022 21:03
    • Replies: 3
    • Views: 2,065
    d_stranz
    15th March 2022, 15:18 Go to last post

  29. action with shortcut triggers in parent

    Started by tuli, 4th March 2022 19:46
    • Replies: 1
    • Views: 1,754
    franco.amato
    14th March 2022, 20:58 Go to last post

  30. How to exclude a specific file extension from QDir::entryList

    Started by franco.amato, 7th March 2022 19:00
    • Replies: 2
    • Views: 2,746
    d_stranz
    9th March 2022, 16:31 Go to last post
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