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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. Segmentation Fault When Moving QTextCursor Anchor

    Started by PrincessTrevor, 7th June 2021 05:40
    c++, qtextbrowser, qtextcursor, segmentation fault
    • Replies: 8
    • Views: 4,105
    PrincessTrevor
    7th June 2021, 20:49 Go to last post

  2. Multiple inheritance problem

    Started by Mohsin, 7th June 2021 10:05
    multiple inheritance, qchartview, qobject 3 Attachment(s)
    • Replies: 5
    • Views: 3,117
    Mohsin
    10th June 2021, 10:02 Go to last post

  3. Console application on the side

    Started by Cruz, 5th June 2021 12:33
    • Replies: 12
    • Views: 2,968
    d_stranz
    10th June 2021, 15:33 Go to last post

  4. get heob to ignore qt memory leaks

    Started by spike6479, 10th June 2021 20:35
    • Replies: 0
    • Views: 2,177
    spike6479
    10th June 2021, 20:35 Go to last post

  5. best way to draw cursor crosshairs lines to a GLWidget and viewport mouse coordinates

    Started by john_god, 10th January 2010 13:05
    1 Attachment(s)
    • Replies: 2
    • Views: 5,580
    d_stranz
    15th June 2021, 16:00 Go to last post

  6. QSerialPort readyRead won't emit on Win10 but Ok on Ubuntu 20.04?!

    Started by bobkan, 15th June 2021 23:16
    readyread
    • Replies: 0
    • Views: 3,154
    bobkan
    15th June 2021, 23:16 Go to last post

  7. Change pixmap image with another image

    Started by eliya_, 16th June 2021 07:52
    gui, pixmap, pyqt5, python 3
    • Replies: 0
    • Views: 3,131
    eliya_
    16th June 2021, 07:52 Go to last post

  8. Question How can I display only the children of a QTreeView?

    Started by donnaroma, 16th June 2021 20:09
    c++, proxy model, qt5, treeview
    • Replies: 1
    • Views: 3,495
    d_stranz
    16th June 2021, 23:24 Go to last post

  9. Key presses get lost after starting external process via QProcess in QWidget

    Started by donelron, 18th June 2021 10:33
    focus widget, key press, qprocess
    • Replies: 0
    • Views: 2,395
    donelron
    18th June 2021, 10:33 Go to last post

  10. Question How can I drag a file out of a TreeView and into another application?

    Started by donnaroma, 18th June 2021 03:04
    c++, drag & drop, qt5, treeview
    • Replies: 2
    • Views: 3,516
    d_stranz
    18th June 2021, 15:38 Go to last post

  11. Moved: Open MP on Windows with MingW32 almost no acceleration in release mode.

    Started by feraudyh, 18th June 2021 18:09
    •  
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  12. qDir illegal characters in path name

    Started by spike6479, 18th June 2021 16:49
    • Replies: 5
    • Views: 2,861
    ChrisW67
    21st June 2021, 03:47 Go to last post

  13. how can i send QStringList index by index

    Started by Validimir_verekno, 20th June 2021 10:33
    qtcpsocket
    • Replies: 7
    • Views: 2,987
    Validimir_verekno
    22nd June 2021, 18:25 Go to last post

  14. Adding LGPL licensing information

    Started by Mohsin, 10th June 2021 10:15
    lgpl license, licensing
    • Replies: 4
    • Views: 2,401
    d_stranz
    22nd June 2021, 19:28 Go to last post

  15. QCombox with multiple items (or similar widget)

    Started by Nunkij, 20th June 2021 13:59
    1 Attachment(s)
    • Replies: 2
    • Views: 2,110
    Nunkij
    23rd June 2021, 00:23 Go to last post

  16. QSqlTableModel::removeRows returns false

    Started by caster89, 26th October 2014 08:33
    • Replies: 5
    • Views: 6,110
    MhmRhm
    25th June 2021, 13:55 Go to last post

  17. Question Global key press handling: best practice?

    Started by ghorwin, 13th March 2021 16:57
    filter, key event
    • Replies: 3
    • Views: 5,570
    ghorwin
    26th June 2021, 15:35 Go to last post

  18. Lightbulb Initial size calculation when using styled buttons

    Started by ghorwin, 26th June 2021 15:43
    minimumsizehint, qpushbutton, style 1 Attachment(s)
    • Replies: 0
    • Views: 1,985
    ghorwin
    26th June 2021, 15:43 Go to last post

  19. Lightbulb Qt + OpenGL Tutorial online

    Started by ghorwin, 1st April 2020 17:24
    opengl, qopenglwidget, qopenglwindow
    • Replies: 3
    • Views: 8,704
    chaba
    26th June 2021, 22:40 Go to last post

  20. Problems with StyleSheet and QFontMetrics (see attached program)

    Started by h123, 18th January 2010 05:51
    1 Attachment(s)
    • Replies: 4
    • Views: 4,142
    Micah
    27th June 2021, 02:23 Go to last post

  21. How to insert certain table_1 column value in table_2

    Started by Lalremruata, 23rd June 2021 03:37
    pyqt5 qtextedit, python 3, sqlite3
    • Replies: 3
    • Views: 6,130
    ChrisW67
    28th June 2021, 08:22 Go to last post

  22. Object and multiple inheritance for interfaces

    Started by brcain, 16th November 2006 17:07
    • Replies: 8
    • Views: 7,947
    d_stranz
    29th June 2021, 15:29 Go to last post

  23. QpainterPath - odd fragment at the beginning

    Started by derschuhmann, 28th June 2021 08:17
    arcto, drawing, qpainter, qpainterpath 1 Attachment(s)
    • Replies: 2
    • Views: 2,542
    derschuhmann
    30th June 2021, 06:10 Go to last post

  24. CMake does not find Qt - Oracle Linux

    Started by franco.amato, 30th June 2021 18:06
    • Replies: 1
    • Views: 1,201
    d_stranz
    1st July 2021, 00:19 Go to last post

  25. qNetworkAccessManager and cookies

    Started by black_gay, 1st July 2021 17:25
    c++ qt, cookies, qnetworkaccessmamanager
    • Replies: 3
    • Views: 3,524
    ChrisW67
    4th July 2021, 08:15 Go to last post

  26. QMdiArea Problems with Menu Bar when subWindows are maximized

    Started by BettaUseYoNikes, 15th November 2011 22:57
    contextmenu, qmainwindow, qmdiarea, qmdisubwindow
    • Replies: 1
    • Views: 6,557
    renjith_r
    6th July 2021, 05:17 Go to last post

  27. C1001: An internal error has occurred in the compiler. with Qt5.9.2 and visual 2015

    Started by son nguyen van, 5th July 2021 13:01
    1 Attachment(s)
    • Replies: 2
    • Views: 2,342
    son nguyen van
    6th July 2021, 06:12 Go to last post

  28. Creating a pixmap from unsigned char*

    Started by winder, 11th February 2010 13:06
    • Replies: 9
    • Views: 8,874
    Wolf4D
    6th July 2021, 13:56 Go to last post

  29. Problem with installing Qt 4.15.1 on CentOS6

    Started by Mohsin, 6th July 2021 10:01
    centos 6, qt installation 1 Attachment(s)
    • Replies: 7
    • Views: 4,228
    ChristianEhrlicher
    7th July 2021, 08:41 Go to last post

  30. Which QT 5 supports glibc 2.14 version?

    Started by Mohsin, 7th July 2021 11:09
    glibc, installation, qt5
    • Replies: 0
    • Views: 3,201
    Mohsin
    7th July 2021, 11:09 Go to last post
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