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Forum: Newbie

Newbie to Qt? Ask your questions here.

  1. 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: 9,477
    Maxfooo
    14th February 2020, 17:08 Go to last post

  2. QMenu take Main Window focus

    Started by Thibaut, 11th February 2020 10:30
    focus, move, qmenu, resize
    • Replies: 1
    • Views: 12,602
    Thibaut
    14th February 2020, 14:02 Go to last post

  3. 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: 21,758
    lehuyduc
    10th February 2020, 15:31 Go to last post

  4. I cannot get QGraphicsRectItem to change colour on mousedoubleclickevent

    Started by Docas, 31st January 2020 21:28
    • Replies: 11
    • Views: 12,985
    d_stranz
    9th February 2020, 20:46 Go to last post

  5. Can't get the notify signal in QML

    Started by iveus, 7th February 2020 18:05
    • Replies: 2
    • Views: 8,187
    iveus
    8th February 2020, 11:43 Go to last post

  6. Question Error while compiling qt5.7 in centos 8.0

    Started by vipul5798, 6th February 2020 06:49
    centos 8.0, compiling error, qt5.7
    • Replies: 2
    • Views: 10,318
    vipul5798
    7th February 2020, 08:29 Go to last post

  7. QGraphicRectItem update colour in foreach statement

    Started by Docas, 31st January 2020 14:23
    4 Attachment(s)
    • Replies: 13
    • Views: 12,504
    d_stranz
    5th February 2020, 18:44 Go to last post

  8. How to design an interactive image viewer for big gray-scale images

    Started by Notsocute, 29th January 2020 23:36
    • Replies: 6
    • Views: 7,340
    Notsocute
    4th February 2020, 20:57 Go to last post

  9. Undefined reference

    Started by buster, 2nd February 2020 17:24
    • Replies: 1
    • Views: 7,204
    d_stranz
    2nd February 2020, 20:39 Go to last post

  10. problem reading the serial port

    Started by Eduardo Huerta, 31st January 2020 18:53
    • Replies: 1
    • Views: 7,044
    ChrisW67
    31st January 2020, 21:13 Go to last post

  11. ImageViewer: Pixmap or OpenGL - performance when creating pixmap

    Started by olrom, 30th January 2020 16:16
    • Replies: 2
    • Views: 4,555
    olrom
    30th January 2020, 18:11 Go to last post

  12. QSlider mid position

    Started by buster, 26th January 2020 08:41
    2 Attachment(s)
    • Replies: 4
    • Views: 4,085
    buster
    30th January 2020, 17:14 Go to last post

  13. Build Qt5 with developer-build on ubuntu by the instruction, got error

    Started by budi, 28th January 2020 04:51
    build error
    • Replies: 5
    • Views: 8,429
    d_stranz
    30th January 2020, 17:01 Go to last post

  14. how to create installation of app

    Started by Pachuca, 28th January 2020 15:58
    • Replies: 1
    • Views: 3,910
    d_stranz
    28th January 2020, 18:03 Go to last post

  15. Question MainWindow's child DockWidget disappears if I call setFloating(true)

    Started by alexandergetka, 22nd January 2020 21:57
    • Replies: 1
    • Views: 5,002
    d_stranz
    22nd January 2020, 23:59 Go to last post

  16. Restore the mainwindow size on last open

    Started by prabhatjha, 22nd January 2020 09:04
    • Replies: 1
    • Views: 7,958
    d_stranz
    22nd January 2020, 16:22 Go to last post

  17. Pass data on button click

    Started by prabhatjha, 21st January 2020 16:33
    • Replies: 1
    • Views: 6,421
    d_stranz
    21st January 2020, 19:05 Go to last post

  18. Anticlockwise QPolarChart

    Started by buster, 20th January 2020 14:49
    • Replies: 1
    • Views: 4,823
    d_stranz
    21st January 2020, 03:22 Go to last post

  19. "QMainWindow: No such file or directory" error: Compiling using qmake only.

    Started by robgeek, 19th January 2020 22:28
    • Replies: 4
    • Views: 11,859
    d_stranz
    20th January 2020, 16:06 Go to last post

  20. Qt Perspective transformation

    Started by Raghav99, 19th January 2020 07:17
    • Replies: 1
    • Views: 2,496
    d_stranz
    19th January 2020, 16:29 Go to last post

  21. Component that lists all files/folders in a particular path.

    Started by robgeek, 18th January 2020 22:27
    1 Attachment(s)
    • Replies: 1
    • Views: 5,581
    d_stranz
    19th January 2020, 01:29 Go to last post

  22. QPolarChart

    Started by buster, 14th January 2020 16:48
    • Replies: 8
    • Views: 8,609
    d_stranz
    18th January 2020, 16:04 Go to last post

  23. Explode Pie Slice when Hover Mouse

    Started by dennisvz, 17th January 2020 23:55
    pyqt
    • Replies: 1
    • Views: 8,346
    d_stranz
    18th January 2020, 00:43 Go to last post

  24. Post QT5 - Modal Window

    Started by plvicente, 15th January 2020 09:13
    keyboard, keys, modal, qt5
    • Replies: 1
    • Views: 7,597
    ChrisW67
    16th January 2020, 10:06 Go to last post

  25. Creating tree kind of model from QAbstractItemModel or QAbstractListModel

    Started by gowreesh, 10th January 2020 06:16
    qabstractitemmodel, qabstractlistmodel, qabstracttabelmodel, treemodel
    • Replies: 5
    • Views: 11,415
    d_stranz
    13th January 2020, 16:46 Go to last post

  26. Place two pie charts side by side on one gridLayout

    Started by dennisvz, 11th January 2020 17:27
    py qt 1 Attachment(s)
    • Replies: 5
    • Views: 9,882
    d_stranz
    12th January 2020, 16:55 Go to last post

  27. Layout

    Started by buster, 10th January 2020 11:44
    1 Attachment(s)
    • Replies: 7
    • Views: 5,590
    d_stranz
    11th January 2020, 16:56 Go to last post

  28. Combining two guis into one widget

    Started by KodinPanda, 9th January 2020 23:21
    • Replies: 3
    • Views: 8,051
    d_stranz
    10th January 2020, 17:01 Go to last post

  29. Any Qt Android musicplayer real-app examples?

    Started by Avtem, 10th January 2020 09:34
    android, music player, service
    • Replies: 0
    • Views: 19,651
    Avtem
    10th January 2020, 09:34 Go to last post

  30. Change ONLY the background color of a QFrame, not everything in it.

    Started by emp1953, 8th January 2020 20:58
    backgound color, qbuttons, qframe, stylesheet
    • Replies: 3
    • Views: 9,886
    ChrisW67
    10th January 2020, 08:11 Go to last post
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