I have question about removing element from QList. "myclass.h": class node2D : public QObject { Q_OBJECT public: node2D(){++s_NCount;}; ~node2D(){--s_NCount;}; int checkCount(){return s_NCount;}; private: static int s_NCount; }; "myclass.cpp": int node2D::s_NCount = 0; "main.cpp": void main() { int i,ma...
how can i get the image size when i load image ( width, height ) ...
Is it possible to know what application is in focus using Qt ? ...
Hi, I am using Qt4.5.2 on Linux. I have a simple QTableWidget, in which a column displays dates in a human-friendly format. Unfortunately "human-friendly dates" are not easy to sort correctly. So, in the QTableWidget I keep a hidden column with the UNIX timestamp corresponding to that date. I am trying to make sure that, whenever a req...
hi.. i want to know how to add menu to a widget, which is derived from Qwidget in QT symbian, i know how to add menu to window derived from Qwindow, but i am not getting for widget derived from Qwidget pls help me.. Thanks ...
Hi.. I want to make a customized list view, in that I will add items dynamically, I have written code for the same, but it's giving me some problems, code is compiling fine but it will give some linker error, I tried the same code by keeping different header files, it runs well, but i am not getting control to my delegate class only. ...
Hello, I have downloaded QT SDK LGLP (Creator + libraries) 4.6 and I am having problems compiling projects. After install I have added C:\Qt\2010.02\qt;C:\Qt\2010.02\qt\bin to PATH and added QTDIR env varaible containing C:\Qt\2010.02\qt, the I run "configure -platform win32-g++" to compile it. Everything went good. I the tried to use ...
I have a small program in PyQt4 and I want to compile the program into an Exe. I am using py2exe to do that. I can successfully set icon in the windows title bar using the following code, but when i compile it into exe the icon is lost and i see the default windows application. here is my program: import sys from PyQt4 import QtGui cl...
I'm using the Qt library, creating QImages. I'm able to use this constructor: QImage image("example.jpg"); But I'm having trouble with this static function: char buffer[sizeOfFile]; ifstream inFile("example.jpg"); inFile.read(buffer, sizeOfFile); QImage image = QImage::fromData(buffer); // error here // but there's nothing wrong wit...
HI.. i want to add elements dynamically to listview in QT for symbian OS, i have set of delegate methods associated with listview. if i add elements statically, the control comes to delegate methods, and view is perfect. but if i add dynamically, control is not at all coming to delegate methods. i don't no how to do it. ill place her...
Can somebody point me to sites with not supported by Qt image format plugins (reading/writing). XCF and PSD for example. ...
I have problem with keeping Qt::Tool window visible when the application becomes inactive. The application is running and there are 2 windows opened - main and additional with Qt::Tool flag set. When I open/switch to other app e.g Konosole the main window remains visible but second disappears - so if I want to e.g. rewrite some data from...
Hi.. is there any way to implement the control mentioned in the following link in QT. http://wiki.forum.nokia.com/index.php/QtDynamicSettingList pls suggest me how to implement the same. Thanks ...
I have a qthread that uses a udp socket to write and read datagrams in a loop. the QUDPSocket is created in the mainthread. How do I handle QObjects that I will use in both the QThread and mainthread. Also is it ok to have the UDP socket in the mainthread and use it in the qthread? ...
Hi, I am new to QT. I have created object class QNetworkAccessManager main window as parent. Also registered to SIGNAL finished. It is working fine. But I want to know in which thread it will run. Will it block the main thread. If i need to perform sequence of get operation how should I need to write the code. Please give me some sample...
I'm using Qt4 and I have a QTableView which displays data using a custom model. I'd like to have two rows in the table header, ideally with some of the cells in the first row spanning multiple columns. Is this possible? ...
Hi! I have main.cpp in c:\test folder and do the following: qmake -project qmake -tp vc test.pro The answer is: WARNING: Unable to generate output for: C:/test//Makefile.Debug [TEMPLATE vcapp] WARNING: Unable to generate output for: C:/test//Makefile.Release [TEMPLATE vcapp] But, I don't need make files. I need .vcproj! Environme...
I am using QNetworkManager to fetch files from a server, however what I cannot figure out is if the files are compressed during the transfer with the standard gzip compression and if not how to get them to download compressed. How would I go about checking? ...
Hi, I have installed Qt and Qt for VS plugin. Everything works fine, UI applications compile and run that's ok, but connecting signals and slots doesn't. I have Q_OBJECT in my class and for connecting I am using this code in constructor: connect(ui.mainTableView, SIGNAL(activated(const QModelIndex &)), this, SLOT(showDetail(con...
Hi.. i did progress bar in QT, i used both in emulator and mobile.. the infinite progress bar in appearing but its not getting animated.. (infinite progress is not coming) here is the code which i hv written QApplication a(argc, argv); QProgressDialog *dialog = new QProgressDialog(); dialog->setMinimum(0); dialog->setMaximum(0); di...