Reading selected Items from QTablecWidget
How can read selected items from QTableWidget? Thanks ...
qt
Showing data on QTableWidget
I have a database table and I must read it and show it on tableWidget I read it but I cant show it on tableWidget, How can I do? Thanks ...
POST request with QWebView
How can I issue a POST request over a QWebView instance? ...
Calling activateWindow on QDialog sends window to background
I am debugging certain application written with C++/Qt4. On Linux it has problems that with certain window managers (gnome-wm/metacity), the main window (based on QDialog) is created in the background (it's not raised). I managed to re-create the scenario using PyQt4 and following code: from PyQt4.QtCore import * from PyQt4.QtGui import...
Using custom dll in Qt Application
First, my compiler and OS: Qt Creator 1.3 Qt 4.6 (32 bit) Windows 7 Ultimate I want to learn how to create and import a dll in Qt. I've created a *.dll file using Qt Creator, called Shared1.dll which contains nothing but an empty class named Shared1. Now I'd like to use Shared1 class in another Qt project. How can I do that? Thanks ...
Shall I bother with QT?
Guys I study C++ for a second year. Till now I was doing only console app but I think it's a time to start programming in Windows. There are few alternatives and Qt is one of them but I'm also drawn towards pure Windows API - for more power of course. What would you suggest? ...
use qt and django to create desktop apps
Hi guys, I had this idea of creating desktop apps using django. The principe being: - Write the django app, and use something like cherrypy to serve it. - Write a Qt app in C++ to access it and this by using QtWebview (webkit) I'd like to "bundle" this in a single app. The lighter, the better :) So here are my questions and if you have...
Set initial text when editing a QTableView cell
I've subclassed QAbstractTableModel and overrode the flags() method so that some of the table cells are editable. The problem is that when I start editing, the existing cell value is erased. I would like to initially have the existing cell value selected. How can I do this? ...
How can I know when QProcess wants to read input?
I'm implementing a compiler in my Compilers class, I'm using Qt & C++. After I have generated the machine code from the source code, I'm executing the virtual machine that will execute the code. I'm facing a problem here, I'm using readyRead() signal to get output from the virtual machine, but how can I know that the virtual machine wa...
free pivot table implementation for qt
I'm looking for free implementation of pivot table view for Qt. Does someone know where to find such piece of code? Or maybe it's trivial to implement... ...
Communication with HyperTerminal [ QT and WINApi ]
Hi! I write program to communicate with modem (it useing Hayes commands) and this is working. GUI is programmed with QT, but communication with COM port is write with winapi library. I have problem when I want to send with my program message from one computer to another, i can't send Polish chars (they are repleaced by '?'), how can I fi...
Using gSoap in Qt/Windows
I followed the steps on gSoap's page and tried to run the example code in Qt/Windows with Mingw32 Compiler. However, I can't add lgsoap++ to linker, as stated in the documentation, since it is not in the source package To complete the build, compile and link the generated soapC.cpp, soapcalcProxy.cpp, and the run-time gSOAP en...
Qmake does not specify a valid qt
After installing Qt SDK for Open Source C++ development on Mac OS by following the respective steps Note for the binary package: If you have the binary package, simply double-click on the Qt.mpkg and follow the instructions to install Qt. . Yes, that is all I have done to install Qt on MacOsX. Everything was going fine, until I run a ...
QApplication In Non-Main Thread
I need to exec() a QApplication in a thread that is not main (my GUIs must be plugins that can be dynamically loaded and unloaded at runtime, so I have no access to the main thread). Does anyone know of a (relatively) painless way to hack around Qt's restriction against starting QApplication outside of main? I'm developing in Linux wit...
Is there an easy way to strip HTML from a QString in Qt?
I have a QString with some HTML in it... is there an easy way to strip the HTML from it? I basically want just the actual text content. <i>Test:</i><img src="blah.png" /><br> A test case Would become: Test: A test case I'm curious to know if Qt has a string function or utility for this. ...
How to use QMetaMethod with QObject::connect
I have two instances of QObject subclasses and two QMetaMethod instances of signal in one of objects and slot in another object. I want to connect this signal and slot with each other. I've looked through the qobject.h file and find that SIGNAL() and SLOT() macro are just add "1" or "2" character to the beginning of method signature so ...
PyQt: Get the position of QGraphicsWidgets in a QGraphicsGridLayout
I have a fairly simple PyQt application in which I'm placing instances of a QGraphicsWidget in a QGraphicsGridLayout and want to connect the widgets with lines drawn with a QGraphicsPath. Unfortunately, no matter what I try, I always get (0, 0) back as the position for both the start and end widgets. I'm constructing the graph with a re...
How to draw QGraphicsItem in a MFC view
I'm starting using Qt in my application. My application is MFC based. I want to draw some QGraphicsItems in my currect MFC view, is it possible? You may say that it could be done by hosting QGraphicsView with QWinWidget in the MFC view, that don't work, however. Because my Canvas (MFC view) supports zooming and rotating while the QGraph...
QT NOOB: Add action handler for multiple objects of same type.
I have a simple QT application with 10 radio buttons with names radio_1 through radio_10. It is a ui called Selector, and is part of a class called TimeSelector In my header file for this design, i have this: //! [1] class TimeSelector : public QWidget { Q_OBJECT public: TimeSelector(QWidget *parent = 0); private slots: /...
how to call gstreamer as an external process in Qt to play incoming audio streams?
im now using mplayer to play incoming audio streams from network. i need to use gstreamer to play that. my code to play the audio using mplayer is like this: arg<<"http://192.168.0.2/img/video.asf"<<"-novideo"; program="mplayer"; process=new QProcess(this); process->start(program,arg);## Heading ## ...