Questions tagged [qtplugin]
62 questions
4
votes
1 answer
Declaring signals in interface class using Qt plugin system with new signal-slot syntax
I'm building a set of plugins for a Qt application, using the low-level Qt plugin API. A manager object will load these plugins at runtime, and allow client programs access to any that are available. I'd like the manager to communicate with the…

bnaecker
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3
votes
0 answers
Disable Qt bearer management at runtime
We have some problems with the Qt network bearer management (Win10 x64, Qt 5.9.latest). The following problems are noticed:
a WIFI interface is not recognized
a WIFI interface is marked as inaccessible though working (QAM requests work)
cable LAN…

Horst Walter
- 13,663
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3
votes
1 answer
Qt Signal slot in plugin Architecture
I am trying to Create an Application having a Menu Button.
on Clicking the button, a form will be appeared.
The Form is created using plugin. The issue is-
on first click, one form is generated as normal. But on second click 2…

mukthar ali
- 41
- 4
2
votes
0 answers
Qt Plugins with external libraries
I'm devellopping a QT application with QT Plugins.
my plugins need external libraries(.dll) to run. I want to put all my plugins in a "plugins" folder in a folder for each plugin. In each folder I want to put the librairies link to the plugin. At…

max
- 21
- 1
2
votes
1 answer
How to use QVirtualKeyboard plugin without using QML?
I have X_Compiled Qt for BeagleBone Black and everything works fine. I've compiled Qt virtual keyboard plugin and I can load keyboard example on the device. I want to use this virtual keyboard in my C++ app. Can anyone show me the right way to do…

a.tabatabaei
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2
votes
0 answers
How to manipulate the built in metadata of a Qt plugin?
Since Qt5 plugins have metadata. I wrote a plugin (cmake) and want to read the metadata from the main app. The results are below:
keys: ("IID", "MetaData", "className", "debug", "version")
IID: "org.manuelschneid3r.albert.plugininterface"
className:…

ManuelSchneid3r
- 15,850
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2
votes
1 answer
Mac Event Loop Qt Plugin in a non-Qt Application
I am trying to write a Trolltech Qt library that will be used from a non-Qt CFM/ Application written in MacApp.
I am having trouble that when I have created QApplication it is taking over my event loop in my non-Qt MacApp mac application. I have…
Grant Hickey
1
vote
0 answers
My custom C++ plugin is not being consumed by the qml test application
I am new to Qt and learning few of the modules in Qt-Qml from youtube and Qt documentation. I want to create cpp plugin which is to be consumed by the qml application.
For this, I have created two projects. One is for creating a plugin library and…

praveen
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- 5
1
vote
2 answers
ncu-ui won't run: Could not load the Qt platform plugin "xcb" in "" even though it was found
I'm trying to run the ncu-ui profiler GUI on a CentOS 7 Linux system (using ncu-ui 2022.1), both as root and as a regular user. I'm getting the error:
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
This…

einpoklum
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1
vote
2 answers
How to use json files availiable with Qt Plugin classes
Q_PLUGIN_METADATA(IID "descComponentIID" FILE "file.json")
How to utilize the json file for configuring a component.
My Purpose is to store the configuration of a component like if
its a paint canvas component then storing the size of the canvas
or…

codeKarma
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- 8
1
vote
2 answers
R Markdown: could not find or load Qt platform plugin - matplotlib
While doing some Monte Carlo simulations I've encountered a problem with creating plots with matplotlib in python chunks of code in R Markdown. I get
while using even the simplest test file with matplotlib and a hisogram of a list:
---
title:…

GnypIt
- 60
- 6
1
vote
1 answer
Reading current Qt Creator theme from a plugin
There is a plugin for Qt Creator whose UI is just an ActiveX.
The problem is if a user changes the Qt Creator theme, the ActiveX doesn't reflect it.
That is why I need to pass information about colors to the ActiveX, but for that, the plugin has to…

Artem Razin
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1
vote
1 answer
How to add Qt private module's libs?
I am trying to use a xmlpatterns-private. I could get the headers by adding qt += xmlpatterns-private. But when I compile it gives the error:
undefined reference to `QPatternist::XsdSchemaResolver::~XsdSchemaResolver()'
So it supposes means that…

JustWe
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1
vote
1 answer
Custom plugin for qt is not loaded. How to debug?
I wrote a custom plugin for QCanBus, that simply is a copy of the socketcan plugin but has been renamed and the identifiers have been adjusted to that new name.
I did that copying to first get the plugin recognised before I alter it.
I changed the…

darkmattercoder
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1
vote
1 answer
Spyder failing to launch - “could not find or load the Qt platform plugin windows”
I've recently had to do a fresh install of windows and reinstall all the software I was previously using including anaconda.
I still have all the data from before the reinstall. To save me from pip installing all the packages I was using, I thought…

Zizi96
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