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Recent Unanswered Threads

Qt app: Create a shell link to my app with a pixmap as the link icon
Yesterday 13:29 by ddonate

How to properly use the asynchronous libusb?
24th January 2021 18:36 by Andrew23

QPSQL unable to COPY large files
23rd January 2021 18:48 by dehm

Qt Creator can't locate Qwt plugin
18th January 2021 09:24 by trouden

(PyQt) QSortFilterProxyModel very slow when sorting
17th January 2021 13:44 by TheGrudge

PyQt5 5.15.2 Raspberry Pi issues
12th January 2021 19:21 by shift838

Issue when passing a pointer to a SLOT from a SIGNAL with QObject::connect
9th January 2021 14:07 by teodor

display multimedia camera in QT3D
7th January 2021 03:26 by FCT77

How to change the selected row's color in TreeView of QML?
5th January 2021 15:10 by TheIndependentAquarius

Custom Plot Picker Design
24th December 2020 04:58 by bgorkhe
Recent Forum Posts

Re: QSlider Iteration Misses Sample Data on QCustomPlot

No, it is a bug in your logic. You need to compute the zoom factor after each step, and use that new factor to scale the plot for the next step. You do not need to change the slider range, ever. ...
d_stranz Yesterday, 18:36

Re: How to properly set a background image of a custom widget

The I think the only way to do that is to paint it manually in the paintEvent(). The stylesheet doesn't know anything about your application's details, so your paint event has to decide whether to...
d_stranz Yesterday, 18:29

Re: qwtpolar radius scale step always autosteps regardless of setting

Hello,
I also had similar problems with the QwtPolar::Radius scale steps.
The solution : disabling the auto-scaling attribute of the QwtPolarGrid :
... .setGridAttribute(...
sd Yesterday, 17:01

Re: QwtPolar change scale steps problem

Hello,
I also had similar problems with the QwtPolar::Radius scale steps.
The solution : disabling the auto-scaling attribute of the QwtPolarGrid :
... .setGridAttribute(...
sd Yesterday, 17:01

Re: QSlider Iteration Misses Sample Data on QCustomPlot

As you realized, I should update the value of one move of QSlider dynamically when zoomed. As fas as I examined, “One QSlider Move = QCustomPlot Range Size/ QSlider Maximum Width"
For every zoom, I...
cranberriess89 Yesterday, 14:06

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