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Questions - qtcore

How to use pyqt to achieve the effect of Select-Option addition and deletion

I want to use QT to achieve the effect of Select-Option, support deleting Option by clicking the close button,this is my expected rendering: The following is my demo. I want to create a custom Widget...
test-img

Alex

python

pyqt5

sys

qtcore

qtwidgets

Votes: 0

Answers: 1

Latest Answer

I use the QHBoxLayout::addWidget method to add widgets, and use the deleteLater solt to delete the QWidget: from PyQt5 import QtCore from PyQt5 import QtWidgets class WID(QtWidgets.QWidget): def ...
test-img

Alex

PyQt5 grabWindow captures black screen instead of the selected area

I have an application where I have a transparent window, I am capturing the screen underneath and then displaying the same once user release the left mouse button. But the problem is I see only black ...
test-img

Himanshuman

python

pyqt5

qtgui

qtcore

qtwidgets

Votes: 0

Answers: 1

Latest Answer

You're grabbing from the current window, not from the desktop. While what you see is the desktop (due to the transparency), specifying a window id results in grabbing only that window without consider...
test-img

musicamante

Start QCoreApplication in a native iOS App

What must be done to start a QCoreApplication on iOS in order to use Qt features in a separate library? FYI, the library is mainly written using std C++ but the Bluetooth part uses the well proven and...
test-img

AD1170

ios

qt

qtcore

Votes: 0

Answers: 1

Latest Answer

Meanwhile, i have found the reason for QCoreApplication::instance() == 0. I have to wait some time after starting the thread that calls QCoreApplication's exec(). (void) QtConcurrent::run(&runQCo...
test-img

AD1170

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