Qt Forum - Recently Active Topics

Our forum is a bustling hub of activities for the mightiest minds in the universe. This page contains enough power to contain a list of topics within the past 24 hours.

  • [[qanda:topic_unsolved]] Qt Install Framework CopyDirectory

    [[qanda:topic_unsolved]] Qt Install Framework CopyDirectory

    Hi Qt Install Framework 3.1.1. Windows & Mac. I'm trying to copy the directory with following code snippet during the installation. var sourceDir = "/Users/dheeru/Desktop/Bax1"; var destDir =...

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  • [[qanda:topic_unsolved]] How to use QTextEdit

    [[qanda:topic_unsolved]] How to use QTextEdit

    @Gojir4 said in How to use QTextEdit: :P thanks for this moment of fun ??

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  • [[qanda:topic_unsolved]] Enter different images

    [[qanda:topic_unsolved]] Enter different images

    i have menubar that have add entry with function above 1

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  • [[qanda:topic_solved]] same signal-slot connection in two windows

    [[qanda:topic_solved]] same signal-slot connection in two windows

    I think that the signal of tetra_grip_api creates an event so it's execution is delayed until the event queue is started at return a.exec();. At that point the slots in both classes are already...

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  • [[qanda:topic_unsolved]] Supporting 16 bit images with Qt

    [[qanda:topic_unsolved]] Supporting 16 bit images with Qt

    Nobody is supposed to know what formats 25 and 28 are.... Qt has symbol to represent formats. But QImage has bits() and you can read them anyway you like - just get larger chunks for each pixel...

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  • [[qanda:topic_unsolved]] Memory leaks from QTableView + QStandardItemModel

    [[qanda:topic_unsolved]] Memory leaks from QTableView + QStandardItemModel

    @Maciek0 said in Memory leaks from QTableView + QStandardItemModel: and memory horrible expand when I add new Indeed! that's why setIndexWidget is evil incarnate. What you need to do is subclass...

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  • [[qanda:topic_unsolved]] Is there a way to set row height for every row in a QTableView?

    [[qanda:topic_unsolved]] Is there a way to set row height for every row in a QTableView?

    For mode QHeaderView::ResizeToContents you can subclass QStyledItemDelegate, reimplement sizeHint and return the hight you want.

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  • [[qanda:topic_unsolved]] Few emits in one slot

    [[qanda:topic_unsolved]] Few emits in one slot

    @Narki1 said in Few emits in one slot: no one works. What does this means? it crashes? How are you debugging the problem?

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  • [[qanda:topic_unsolved]] QLineEdit focus Event

    [[qanda:topic_unsolved]] QLineEdit focus Event

    Thanks @jsulm @SGaist I found self.txtVillage.installEventFilter(self) which is sufficient for my needs. Actually I designed a form using Qt Designer and want to capture OnFocus Event of QlineEdit...

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  • [[qanda:topic_unsolved]] Load MJPEG video stream to qml

    [[qanda:topic_unsolved]] Load MJPEG video stream to qml

    Hi, I have a problem when trying to show video stream MJPEG. I'm using non desktop in my embbedded device (GL) and using gstreamer 1.0 for qtmultimedia. I already make sure video output and media...

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  • Support for 16 bit grayscale Images

    Support for 16 bit grayscale Images

    Qt now supports 16 bit handling in 5.12 version

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  • [[qanda:topic_unsolved]] Qt qml mediaplayer not playing mp4

    [[qanda:topic_unsolved]] Qt qml mediaplayer not playing mp4

    AFAIK on Windows DirectShow doesn't support mp4 out of box. Probably you need to install 3rd party codecs into your system. Usually installing k-lite codec pack solves the problem.

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  • [[qanda:topic_solved]] QtMultimedia can't capture video from camera: libv4lconvert: warning more framesizes then I can handle!

    [[qanda:topic_solved]] QtMultimedia can't capture video from camera: libv4lconvert: warning more framesizes then I can handle!

    @r3d9u11 Ok, problem was solved Just need to export variable with corrent video source: export QT_GSTREAMER_CAMERABIN_VIDEOSRC=imxv4l2videosrc

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  • [[qanda:topic_solved]] Edit variables from other widget of QStackedWidget

    [[qanda:topic_solved]] Edit variables from other widget of QStackedWidget

    @jsulm it returns true

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  • [[qanda:topic_solved]] QVector <QString> words = lines from the file [index]

    [[qanda:topic_solved]] QVector <QString> words = lines from the file [index]

    I truly like the possibility of speedy. Cash adores speed and that is the thing that Vid Chomper is about. Make speedy recordings and let them become famous online or adapt them in different...

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  • [[qanda:topic_unsolved]] Qt Creator: ssh through COM-Port

    [[qanda:topic_unsolved]] Qt Creator: ssh through COM-Port

    Hi @r3d9u11, that's not Creators fault. SSH is a network protocol and can therefore only work on networks. It may be possible to use SLIP and base ssh on that, but that's completely outside...

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  • [[qanda:topic_unsolved]] Sharing OpenGL context with glfw or SDL

    [[qanda:topic_unsolved]] Sharing OpenGL context with glfw or SDL

    @aart Why not move the slow operations out of the GUI thread to another thread?

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  • [[qanda:topic_solved]] --namespace option of rcc seems to be broken

    [[qanda:topic_solved]] --namespace option of rcc seems to be broken

    Reported

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  • [[qanda:topic_unsolved]] Deploying Qt Application on Linux

    [[qanda:topic_unsolved]] Deploying Qt Application on Linux

    @sharath said in Deploying Qt Application on Linux: i get following error Well, what do you expect from me? The error message tells you exactly what to do. Use an older operating system so that...

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  • [[qanda:topic_unsolved]] Making repeating code generic

    [[qanda:topic_unsolved]] Making repeating code generic

    I meant the rectangle. Only top-level properties are visible to the outside (to other QML files). It can even be something as simple as: Rectangle { property alias model: modelData }

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