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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. Qprocess error with script using ffmpeg

    Started by candau, 31st July 2020 12:43
    • Replies: 2
    • Views: 1,010
    candau
    Today, 09:26 Go to last post

  2. column out of range problem

    Started by rahulvishwakarma, 2nd August 2020 12:38
    • Replies: 1
    • Views: 2,057
    d_stranz
    2nd August 2020, 19:40 Go to last post

  3. QMainWindow drag and drop in Qt 5.11.1

    Started by d_stranz, 31st July 2020 00:49
    • Replies: 2
    • Views: 1,643
    d_stranz
    1st August 2020, 01:54 Go to last post

  4. Raw OpenGL not working in QOpenGLWidget with QT 5.11

    Started by andy.yin, 31st July 2020 16:05
    opengl es
    • Replies: 0
    • Views: 1,687
    andy.yin
    31st July 2020, 16:05 Go to last post

  5. ChartView MouseArea and QScatterSeries OnClick

    Started by rhb327, 31st July 2020 14:05
    • Replies: 0
    • Views: 1,613
    rhb327
    31st July 2020, 14:05 Go to last post

  6. transform feedback does NOT work in Qt

    Started by zixuan, 25th July 2020 17:42
    opengl, opengl4, qtopengl, transformfeedback
    • Replies: 1
    • Views: 1,393
    zixuan
    31st July 2020, 02:22 Go to last post

  7. TableView with TableStyle ScrollBar

    Started by rhb327, 30th July 2020 23:59
    • Replies: 0
    • Views: 222
    rhb327
    30th July 2020, 23:59 Go to last post

  8. Is overlapping layer possible in qt layouts?

    Started by sevketk, 19th July 2020 18:08
    5 Attachment(s)
    • Replies: 10
    • Views: 2,441
    sevketk
    30th July 2020, 11:29 Go to last post

  9. Right storage QGenericMatrix in QList or QQLinkedList or in an best container?

    Started by andreaQt, 29th July 2020 17:16
    • Replies: 1
    • Views: 1,322
    Ginsengelf
    30th July 2020, 07:05 Go to last post

  10. Unhappy Qt5 - C++ - QImage - NOT scaling right

    Started by Vildnex, 26th July 2020 13:22
    qimage, qpainter font scaling, qpaintevent, qt5, scaling 3 Attachment(s)
    • Replies: 1
    • Views: 1,167
    d_stranz
    26th July 2020, 20:16 Go to last post

  11. QT Creator 4.12.4 and Java Lambda issue

    Started by sevketk, 24th July 2020 16:20
    compile error, java, jdk location., lambda, qt programing 5 Attachment(s)
    • Replies: 4
    • Views: 458
    sevketk
    26th July 2020, 03:53 Go to last post

  12. Question How to center main window on screen?

    Started by LarryP, 15th July 2011 21:47
    • Replies: 5
    • Views: 27,408
    8Observer8
    24th July 2020, 20:29 Go to last post

  13. Disable Scroll in QGraphicsview

    Started by hereiam, 16th July 2020 11:27
    • Replies: 3
    • Views: 2,598
    d_stranz
    22nd July 2020, 22:19 Go to last post

  14. QWebEngineView not updating inside QFrame's layout-All screen distorted/badly update

    Started by santosh.kumar, 22nd July 2020 07:48
    3 Attachment(s)
    • Replies: 0
    • Views: 876
    santosh.kumar
    22nd July 2020, 07:48 Go to last post

  15. qApp->exit() or qApp->quit() not work on Android

    Started by sevketk, 21st July 2020 21:40
    • Replies: 0
    • Views: 279
    sevketk
    21st July 2020, 21:40 Go to last post

  16. Google Speech to Text API??

    Started by amyacker, 13th July 2020 13:19
    • Replies: 2
    • Views: 426
    amyacker
    21st July 2020, 10:37 Go to last post

  17. Question [iOS] Why empty QOpenGLWidget update/repaint() uses about 20%-50% cpu?

    Started by vitaliynet, 13th July 2020 21:55
    cpu usage, ios, opengl, qopenglwidget, repaint
    • Replies: 4
    • Views: 3,027
    vitaliynet
    20th July 2020, 20:41 Go to last post

  18. a simple question:about 'out'

    Started by weixj2003ld, 17th July 2020 13:24
    • Replies: 1
    • Views: 402
    d_stranz
    17th July 2020, 20:24 Go to last post

  19. Plotting using Qwt with time values in the x-axis

    Started by leinad, 15th July 2020 13:25
    • Replies: 5
    • Views: 425
    leinad
    17th July 2020, 15:39 Go to last post

  20. How to use QList to add many QFiles.

    Started by weixj2003ld, 15th July 2020 03:54
    • Replies: 8
    • Views: 1,920
    weixj2003ld
    17th July 2020, 00:24 Go to last post

  21. Proper way to pass QColor or QFont to a Qdialog subclass?

    Started by davidm71, 13th July 2020 23:41
    • Replies: 1
    • Views: 1,657
    Ginsengelf
    14th July 2020, 07:02 Go to last post

  22. entry point not located in dynamic link library

    Started by spike6479, 12th July 2020 21:04
    • Replies: 4
    • Views: 1,490
    spike6479
    13th July 2020, 16:48 Go to last post

  23. Issue deleting and replacing 3Dscatter and 3DSurface plots in Qt

    Started by Stophe, 9th July 2020 15:13
    • Replies: 2
    • Views: 1,500
    Stophe
    13th July 2020, 11:58 Go to last post

  24. Synchronize Scrollbar of QGraphicsView

    Started by hereiam, 8th July 2020 22:50
    • Replies: 2
    • Views: 1,390
    d_stranz
    9th July 2020, 17:30 Go to last post

  25. QApplication Process seems to hang

    Started by SaibotMagd, 7th July 2020 17:51
    • Replies: 4
    • Views: 1,553
    SaibotMagd
    8th July 2020, 18:12 Go to last post

  26. Show shapefile (*.shp) in QLocation

    Started by franco.amato, 7th July 2020 19:50
    • Replies: 0
    • Views: 438
    franco.amato
    7th July 2020, 19:50 Go to last post

  27. Qt 5.15 for macOS 11 (ARM64)

    Started by sn00p, 6th July 2020 18:36
    arm, arm64, big sur, macos 11, qt5
    • Replies: 0
    • Views: 325
    sn00p
    6th July 2020, 18:36 Go to last post

  28. QPushbutton drag & drop in QTableWidget

    Started by hereiam, 6th July 2020 09:57
    • Replies: 0
    • Views: 304
    hereiam
    6th July 2020, 09:57 Go to last post

  29. Qt equivalent of some Win32 code in OnMouseMove (mouseMoveEvent in Qt)

    Started by perdrix, 5th July 2020 12:32
    • Replies: 1
    • Views: 494
    d_stranz
    5th July 2020, 16:00 Go to last post

  30. Create own widget in a right way

    Started by Kaguro, 4th July 2020 20:29
    qlabe, qpushbutton, qscrollarea, qwidget 1 Attachment(s)
    • Replies: 1
    • Views: 342
    d_stranz
    5th July 2020, 15:24 Go to last post
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