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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. Create a connection for the parent class

    Started by maratk1n, 30th October 2017 13:08
    • Replies: 4
    • Views: 2,358
    d_stranz
    31st October 2017, 17:06 Go to last post

  2. QT ImageViewer Tutorial crashes with QT Designer

    Started by nipunamr, 27th October 2017 17:27
    qt designer question 4 Attachment(s)
    • Replies: 1
    • Views: 2,404
    geekowl
    31st October 2017, 06:58 Go to last post

  3. Local client socket not emitting error when server not running

    Started by nitks.abhinav, 27th October 2017 17:09
    • Replies: 1
    • Views: 8,083
    d_stranz
    27th October 2017, 21:00 Go to last post

  4. locale messes up sprintf, but only in Qt program

    Started by PierreA, 13th September 2017 17:15
    locale, sprintf
    • Replies: 2
    • Views: 2,536
    PierreA
    27th October 2017, 03:39 Go to last post

  5. eventFilter anywhere in the program.

    Started by Oleg21, 8th October 2017 20:49
    eventfilter, installeventfilter 7 Attachment(s)
    • Replies: 17
    • Views: 11,667
    Oleg21
    26th October 2017, 18:51 Go to last post

  6. QSqlQuery Error when using contraints with update cascades or delete cascade

    Started by qtbunk, 26th October 2017 02:23
    • Replies: 0
    • Views: 7,519
    qtbunk
    26th October 2017, 02:23 Go to last post

  7. Image with on top widgets

    Started by ^NyAw^, 24th October 2017 09:07
    • Replies: 1
    • Views: 1,604
    d_stranz
    24th October 2017, 17:22 Go to last post

  8. Talking why QChart.addserie(curve) don't display dynamically when change occurs on curve?

    Started by belloul, 12th October 2017 12:50
    plot curve, pyqt5, pyqt5 qgraphicsitem, qchart, refresh
    • Replies: 2
    • Views: 5,851
    d_stranz
    23rd October 2017, 20:01 Go to last post

  9. Disable QGraphicsScene autoscale

    Started by PinTxO, 11th October 2017 15:21
    qgraphcisview, qgraphicsscene
    • Replies: 1
    • Views: 4,166
    d_stranz
    22nd October 2017, 20:26 Go to last post

  10. QSettings

    Started by Atomic_Sheep, 13th October 2017 10:35
    • Replies: 3
    • Views: 3,134
    d_stranz
    22nd October 2017, 20:14 Go to last post

  11. Qt Camera example not working

    Started by Userino, 5th April 2017 15:26
    • Replies: 1
    • Views: 4,400
    chabbivinayak
    21st October 2017, 07:17 Go to last post

  12. ByPass Function from Other Class to Main Class

    Started by ricky5151, 20th October 2017 18:49
    2 Attachment(s)
    • Replies: 0
    • Views: 8,550
    ricky5151
    20th October 2017, 18:49 Go to last post

  13. QLineEdit cursor not vissible or blocked

    Started by Alundra, 18th March 2014 17:12
    • Replies: 14
    • Views: 11,407
    geekowl
    20th October 2017, 16:00 Go to last post

  14. How can i set the layout of a page to be Landscape in an ODF document?

    Started by coss_cat, 8th December 2012 05:39
    • Replies: 2
    • Views: 3,955
    geekowl
    20th October 2017, 14:38 Go to last post

  15. Post index of a string that appears n times

    Started by deepikha, 19th October 2017 10:30
    qtc++
    • Replies: 5
    • Views: 3,285
    geekowl
    20th October 2017, 09:04 Go to last post

  16. jpeg image not getting displayed

    Started by nitks.abhinav, 17th October 2017 21:06
    • Replies: 3
    • Views: 7,377
    nitks.abhinav
    18th October 2017, 21:29 Go to last post

  17. Launching Multiple QApplication within a DLL

    Started by CodeSlapper, 15th October 2017 22:57
    qapplication, qapplication::exec(), thread
    • Replies: 3
    • Views: 5,443
    high_flyer
    17th October 2017, 10:52 Go to last post

  18. Question Resize handles for QGraphicsIem?

    Started by miivers, 16th October 2017 22:19
    qgraphicsitem 1 Attachment(s)
    • Replies: 1
    • Views: 4,183
    Santosh Reddy
    17th October 2017, 05:54 Go to last post

  19. what is the function or the slot which is responsable of plot update in QChart?

    Started by belloul, 16th October 2017 11:48
    pyqt python, pyqt5, qchart, update gui 1 Attachment(s)
    • Replies: 0
    • Views: 9,312
    belloul
    16th October 2017, 11:48 Go to last post

  20. Poor asynchronous performance in PyQT

    Started by busimus, 12th October 2017 12:40
    asynchronous, pyqt, pyqt5, qeventloop
    • Replies: 3
    • Views: 9,856
    busimus
    14th October 2017, 15:05 Go to last post

  21. issue resizing QScrollArea pyqt5

    Started by Bybuu, 13th October 2017 09:22
    • Replies: 0
    • Views: 8,951
    Bybuu
    13th October 2017, 09:22 Go to last post

  22. pyqt5 - how to use QSignalBlocker class?

    Started by chmedly, 13th October 2017 04:01
    pyqt, signalblocker
    • Replies: 0
    • Views: 8,068
    chmedly
    13th October 2017, 04:01 Go to last post

  23. Memory Leaks in DSCameraSession::updateSourceCapabilities (QT 5.7)

    Started by FSDrake, 12th October 2017 22:19
    • Replies: 0
    • Views: 6,210
    FSDrake
    12th October 2017, 22:19 Go to last post

  24. How to change QPixmap color from black to red

    Started by oogolov, 29th March 2012 13:46
    2 Attachment(s)
    • Replies: 6
    • Views: 45,993
    asgawa
    12th October 2017, 08:03 Go to last post

  25. QUdpSocket transmission

    Started by Slavius, 5th October 2017 11:37
    qudpsocket
    • Replies: 2
    • Views: 3,262
    Slavius
    9th October 2017, 06:48 Go to last post

  26. Unhappy Programming_Game_Memoryspiel_Problem

    Started by cprogcoder, 4th October 2017 20:37
    1 Attachment(s)
    • Replies: 1
    • Views: 1,569
    high_flyer
    5th October 2017, 11:00 Go to last post

  27. Dynamic wallpaper

    Started by UrATowelie, 4th October 2017 14:25
    dynamic, qgraphics, qlabel, scene, wallpaper
    • Replies: 1
    • Views: 3,561
    d_stranz
    4th October 2017, 16:23 Go to last post

  28. QtCore4.dll_unloaded exception when usin external Wait function (LabVIEW)

    Started by jellevlassenbroeck, 9th April 2014 15:27
    1 Attachment(s)
    • Replies: 5
    • Views: 4,422
    dadreamer
    4th October 2017, 12:32 Go to last post

  29. using QBluetoothServiceDiscoveryAgent and QBluetoothSocket for app communication

    Started by psioka, 3rd October 2017 14:04
    • Replies: 0
    • Views: 10,305
    psioka
    3rd October 2017, 14:04 Go to last post

  30. Grey text in empty QLineEdit

    Started by Mefisto, 3rd May 2009 17:10
    • Replies: 4
    • Views: 10,580
    mabeghin
    3rd October 2017, 11:35 Go to last post
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