i created a singleton class and trying to access that class in other class but getting error "cannot access private member" Setupconfig is my singleton class and i am trying to access this class in other class which have QMainWindow Error 'Setupconfig::Setupconfig' : cannot access private member declared in class 'Setupconfig' /////...
In a button click slot, I create and exec() a dialog with a NULL parent. Inside the dialog's constructor, I have: this->activateWindow(); this->raise(); this->setFocus(); The dialog is application modal and has strong focus. However, it does NOT respond to keyboard events until I click on it. How do I make the dialog get focus without...
Hi im trying to set opacity to QListView , that sits on QDialog i mange to set the QDialog transperant with setting the :Qt::WA_TranslucentBackground = true but the QList doesn't become transparent with i set the setWindowOpacity to 1 or 0 ...
I wrote a simple Qt application (Windows+Mac) that uses QtWebKit to render a web site inside a window. But I already saw differences in layout and behavior between our app and Chrome (that uses WebKit as well), e.g.: - different fonts are displayed for the same web page - an html anchor link with "javascript:someFunction()" is not worki...
Hi, I am going to do pan/scale stuff on QGraphicsView. So I read the documentation of QGraphicsView and see some utility functions like ensureVisible() and centerOn(). I think I understand what the documentation says but I can' t manage to write a working example. Could you please write/suggest me an example code to understand the issue....
What is your development approach with QT/PYQT and QT Designer ? Are you doing this: Put all components on the panel (without any layout) and arrange them Put components in layout (Align Vertically/Horizontally/Form/Grid) Generate UI file and start coding how do you manage when you have custom widget ? For example when you have...
Hello, how can I change Qt install path after I building it ? Example : qmake.exe search binaries to original install path, how can I change/redefine it ? Thanks. Edit : I finally found this patch to apply to Qt : http://ftp-developpez.com/qt/binaires/win32/patcher/QtPatcher.7z http://ftp-developpez.com/qt/binaires/win32/patcher/QtP...
Hi How can I use QLineEdit as a menu item in QMenu? Is there any solutions to do this? Just to do something like this (look at the edit box under the avatar): ...
I hosted a QWinWidget in a CView and want it to stay at a designated position when resizing. But QWinWidget always moves to (0, 0), i.e. left-top corner of the CView. I tried to debug in this way: QWinWidget* pWidget = new QWinWidget(pCView); pWidget->move(50, 50); QPoint pos = pWidget->pos(); Note that: the pos is always (0, 0). Wh...
Hi, I modified Qt's broadcast sender example so that it has ten threads and in each thread it starts a timer, but only timer of the first thread is triggered. How can I have one timer running for each thread? ...
Is there any easy way to create at least a template XML file using XML Schema? My main interest is bounded by C++, but discussions of other programming languages are also welcome.By the way I also use QT framework. ...
Hi Everyone, I'm new to Qt and I'm learning something new every day. Currently, I'm developing a small application for my Nokia N900 in my free time. Everything is fine, I am able to compile and run Maemo applications on the device. I've just learned about the foreach keyword in Qt. (I know it is not in C++, so I didn't think about it ...
I am trying to write a simple aplication (a continuously changing label on a window on the upper left side of the screen) and I don't want it to be seen on panel but only on system tray.Because it will run for a long time. How can I do that? Thanks. PS: I am using python and pyqt on Linux. I tried SplashScreen but when I clicked on the ...
Hi all, I am trying to compile the latest version of Qt for the mac (from Gitorius). When I try to compile this (by doing ./configure and then make), I get the following error while running make: ../../include/QtCore/../../src/corelib/kernel/qvariant.h: In function ‘T qvariant_cast(const QVariant&) [with T = QVariant]’: ../../include/Q...
I have a QMainWindow with three widgets inside that are promoted to a class containing a subclassed QThread. They each draw on a local QImage in their rexpective qthread which is sent with a signal once its drawn and then rendered by calling update (mandlebrot example) from the slot. Is this safe or dangerous? They do not share any data...
Hi, I`m starting with PyQt4 and right now I have a problem with events. I have one main class let say MainWindow. MainWindow has a list of buttons of type ButtonX (inherence form QPushButton). I would like to achieve one of 2 solutions (depends which is easier). 1) After click one of the button from the list I would like to run a one m...
The following snippet is from a little app I wrote using the QT framework. The idea is that the app can be run in batch mode (i.e. called by a script) or can be run interactively. It is important therefore, that I am able to parse command line arguments in order to know which mode in which to run etc. [Edit] I am debugging using QTCr...
Do they have any common concepts like C++ and Java do? So that, anyone who learn either gets the basics of other? Like C++ and Java share some common concepts of OOP. You learn them in Java, you can apply them in C++ too and vice versa. Do, Qt and Swing has such property? ...
Greetings , I am new to QT (4.6) and have some basic questions regarding its event mechanism.I come from Swing background so I am trying to compare it with QT. 1) Does Event-processing-loop run in seperate thread? (like EventDispatch thread in Swing) ? 2) If we open several 'QMainWindow' do they run in several threads? 3) Whats the be...
hello i have the following class class AssetTableModel(QtCore.QAbstractTableModel): def __init__(self,filename=''): super(AssetTableModel,self).__init__() self.fileName=filename self.dirty = False self.assets = [] self.setHeaderData(0,QtCore.Qt.Horizontal,QtCore.QVariant('moayyad'),QtCore.Qt...