In the C++ GUI Programming with QT book, it mentions the following 开发者_JAVA百科regarding QWidget::setLayout(): When called, it installs the layout manager on the window.
I\'m trying to run a simple Qt program, and when doing so, I get a console window mentioning: QWidget:开发者_如何转开发 Cannot create a QWidget when no GUI is being used, and the second line This appl
I\'ve created a date input by subclassing a QLineEdit and a QCalendar. The calender is displayed at the bottom of the QLineEdit when a mousePressEvent is received on it. The problem is with hiding tha
when i try to access the ui from outside the constructor i get a SIGSEGV signal the error is cause at the bottom line in cpp file
I have a plugin that loads and shows a custom widget that displays an 开发者_Python百科image (as a background for a QLabel) loaded from a resource file (resources.qrc). The problem I\'m facing is that
So currently I have code, in C++, that creates a few QLabels, a QLineEdit, and a QCheckBox when a selection is made from a QComboBox. However, I would like to be able to access the widgets I have crea
I have a dll in a thi开发者_如何学Crd party address space, hooked using a cbt hook.However, when I try and do this:
I know that there is a function QWidget::setWindowOpacity(qreal level) but as written in the documentation this does only work for windows开发者_如何学运维.
Like in title how to check that child class from QWidget exist? when i try something like that it break application end throw error
I have a Qt window with the following flags: Qt::CustomizeWindowHint |Qt::Tool |Qt::WindowCloseButtonHint
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