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Forum: Newbie

Newbie to Qt? Ask your questions here.

  1. Question how to load 16bits grayscale image in the fragment shader?

    Started by pcc7510, 25th March 2020 12:11
    • Replies: 0
    • Views: 2,039
    pcc7510
    25th March 2020, 12:11 Go to last post

  2. precision of float field in qtableview

    Started by mandal, 11th September 2009 11:35
    • Replies: 4
    • Views: 7,663
    d_stranz
    25th March 2020, 00:23 Go to last post

  3. Missing rows in QSqlTableModel

    Started by bull3t, 24th March 2020 10:19
    1 Attachment(s)
    • Replies: 3
    • Views: 1,877
    d_stranz
    24th March 2020, 21:06 Go to last post

  4. How to emit a signal from a static function

    Started by buster, 23rd March 2020 01:38
    • Replies: 1
    • Views: 2,830
    d_stranz
    23rd March 2020, 04:34 Go to last post

  5. QDialog and Multithreading within PYQT5

    Started by xtlc, 19th March 2020 10:05
    multithreading, pyqt5, qdialog, qtwidget, qtwidgets
    • Replies: 5
    • Views: 7,648
    d_stranz
    22nd March 2020, 15:47 Go to last post

  6. Display .pdf file in Qt window screen

    Started by prabhatjha, 19th March 2020 17:16
    • Replies: 3
    • Views: 2,016
    d_stranz
    20th March 2020, 18:00 Go to last post

  7. error when linking opencv libraries in QT

    Started by lagarcia, 19th March 2020 17:23
    • Replies: 2
    • Views: 2,387
    lagarcia
    19th March 2020, 22:10 Go to last post

  8. Unhappy Qt won't recognize QString::replace function.

    Started by Warumato, 19th March 2020 01:47
    #replace #qstring
    • Replies: 3
    • Views: 3,490
    d_stranz
    19th March 2020, 17:41 Go to last post

  9. QNetworkReply is empty

    Started by lagarcia, 18th March 2020 05:03
    • Replies: 2
    • Views: 2,250
    lagarcia
    18th March 2020, 16:12 Go to last post

  10. intercepting button clicks in QDialogButtonBox

    Started by ceraolo, 22nd November 2013 07:32
    • Replies: 7
    • Views: 33,771
    Larswad
    17th March 2020, 12:13 Go to last post

  11. Drag and drop an image on a QTextEdit

    Started by somebob, 16th March 2020 11:56
    qt5, qtextedit 1 Attachment(s)
    • Replies: 0
    • Views: 3,143
    somebob
    16th March 2020, 11:56 Go to last post

  12. Question Qt Designer & uic. How to do custom stuff when a button is pushed (c++)

    Started by lazy, 13th March 2020 23:27
    c++, qt designer, uic
    • Replies: 2
    • Views: 2,784
    d_stranz
    14th March 2020, 14:54 Go to last post

  13. Insert and read Image in QLable using QDataWidgetMapper

    Started by hsm13, 6th November 2011 23:50
    • Replies: 16
    • Views: 10,415
    ChrisW67
    12th March 2020, 04:03 Go to last post

  14. How to show two states of a rectangle in PyQt/PySide2

    Started by illuzioner1, 9th March 2020 02:37
    brush, graphicsitem, pyqt 5, pyside2
    • Replies: 3
    • Views: 4,231
    d_stranz
    10th March 2020, 04:18 Go to last post

  15. Prerequisites for Installing Qt creator & Steps for making the environment

    Started by Lingesh, 9th March 2020 06:21
    qt 4.8.4
    • Replies: 1
    • Views: 2,020
    d_stranz
    9th March 2020, 17:07 Go to last post

  16. Qt server-side and database

    Started by mircha, 6th March 2020 12:03
    • Replies: 1
    • Views: 2,437
    d_stranz
    6th March 2020, 16:29 Go to last post

  17. How to Build & Run Qt Version 4.8.4 from QT Creator 4.11.0

    Started by Lingesh, 4th March 2020 11:56
    qt 4.8.4 version
    • Replies: 1
    • Views: 3,980
    d_stranz
    4th March 2020, 16:38 Go to last post

  18. How to find which button was pressed (PyQt5)

    Started by RickTee, 27th January 2020 11:26
    • Replies: 4
    • Views: 7,589
    ChrisW67
    3rd March 2020, 11:27 Go to last post

  19. QCustomPlot, changing graph scale and resizing data

    Started by Thibaut, 2nd March 2020 14:21
    graph, overlapping, plot, qcustomplot, scale
    • Replies: 1
    • Views: 5,844
    d_stranz
    2nd March 2020, 17:11 Go to last post

  20. Proper way to delete a QMap

    Started by jano_alex_es, 16th June 2009 10:23
    • Replies: 4
    • Views: 10,180
    d_stranz
    28th February 2020, 17:31 Go to last post

  21. statusbar

    Started by buster, 15th February 2020 16:50
    • Replies: 13
    • Views: 32,556
    d_stranz
    21st February 2020, 16:10 Go to last post

  22. QTreeWidget update problem

    Started by Eduardo Huerta, 17th February 2020 21:38
    1 Attachment(s)
    • Replies: 1
    • Views: 7,073
    d_stranz
    18th February 2020, 03:03 Go to last post

  23. Incrementing and decrementing ListView

    Started by Vysero, 17th February 2020 21:34
    • Replies: 0
    • Views: 12,997
    Vysero
    17th February 2020, 21:34 Go to last post

  24. Play oga files with QSoundEffect

    Started by vahagn, 17th February 2020 13:38
    • Replies: 0
    • Views: 1,436
    vahagn
    17th February 2020, 13:38 Go to last post

  25. Smile Project ERROR: Unknown module(s) in QT: mqtt

    Started by akkarachai, 7th December 2019 17:55
    • Replies: 3
    • Views: 14,986
    d_stranz
    16th February 2020, 16:43 Go to last post

  26. Exclamation problem in adding Qstring in 1st column in Qtableview/Qtablewidget

    Started by deby25, 12th February 2020 11:56
    qstandarditem, qstandarditem model, qtable view, qtablewidget
    • Replies: 4
    • Views: 15,895
    deby25
    16th February 2020, 11:33 Go to last post

  27. Question Signals and Slots only don't work

    Started by QwQ, 4th February 2020 15:28
    signal and slots, signal not emitted 1 Attachment(s)
    • Replies: 1
    • Views: 9,102
    Maxfooo
    14th February 2020, 17:08 Go to last post

  28. QMenu take Main Window focus

    Started by Thibaut, 11th February 2020 10:30
    focus, move, qmenu, resize
    • Replies: 1
    • Views: 12,184
    Thibaut
    14th February 2020, 14:02 Go to last post

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

    Started by lehuyduc, 10th February 2020 15:31
    gmp, library, qt creator
    • Replies: 0
    • Views: 21,270
    lehuyduc
    10th February 2020, 15:31 Go to last post

  30. I cannot get QGraphicsRectItem to change colour on mousedoubleclickevent

    Started by Docas, 31st January 2020 21:28
    • Replies: 11
    • Views: 12,753
    d_stranz
    9th February 2020, 20:46 Go to last post
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