Questions tagged [qtplugin]

62 questions
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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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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
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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…
2
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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
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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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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
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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
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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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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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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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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
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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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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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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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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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