QMimeData::setUrls() and setData() with custom data type works works...
Hello, I have an issue with QMimeData. It works well in Qt 4.7.4, but it works in another way in Qt 4.8, Qt 5.1 (Win7). My application is custom QWebView that shows some WebPage. I have added some code...
View Article"import QtQuick.Controls 1.0"- QML Module not found (Design Time only -...
Platform: Windows(VS2012) and OSX Built from: Qt Installer Version: 5.1 Now if I create a new QML project from QtCreator, everything works fine(intellisense wise). However if I generate the project via...
View Articlehow to switch mouse control between screens ?
Hi, working on embedded linux. I started two application instances each outputs to different frame buffers. system(”/opt/dvr_rdk/ti810x/bin/myapplication1 -qws hdmi0 hdmi1 -display LinuxFb:/dev/fb0...
View Article[SOLVED]qstring.h:919: undefined reference to `QArrayData::deallocate
i cant find any solution above error.i have just main.cpp: #include "tic.h" int main(int argc,char* argv[]){ QApplication app(argc, argv); Ui::Form ui;...
View ArticleHow to iterate through items in a qtableView to determine if a number exists
Hi, How can I iterate through items in a qtableView to determine if a number in a row matches an external number. In other words I would like to go through the tableView and see if one of the rows...
View ArticleProblem with switching UI files.
Hello I’ve spent the last month learning Qt. I understand it fairly well yet I have a problem. I used Qt Creator to create different .ui files and then set up the program to switch between them. Here...
View ArticleCan't create plain C++ project
When I do “File>>New File or Project>>Non-Qt Project>>Plain C++ Project” then I am at this [imageshack.us] page. When I press “Next” then I get to this...
View ArticleProblem to compile qmake.exe : incompatible x64 error (Win8 x64, VS 2010 x64...
Hi everybody, I’m trying to compile Realxtend project [github.com] (if possible in x64 but x32 is fine too). So this project have a script for automatic configure/download/compile successively all...
View ArticleBuilding a Project in Qt-Creator on Mac for Android
I’m having trouble doing an Android build (my first attempt) on my Mac, using c++11 features in QtCreator 2.8, Qt 5.1.2. When I build, I get the following errors (this is just a subset) that imply that...
View ArticleQNetworkReply and 302 Found code
Hi all, I am developing an application that uses the Qt Webkit. I have this code : void SignalHandler::ddlogin() { Manager = new QNetworkAccessManager(); ...
View ArticleDisplay issue - Xlib: extension "GLX" missing on display ":0"
Hello there! I have just begun using Qt after quite a break and meanwhile I have changed the OS from Windows to Ubuntu. I am currently using Ubuntu 12.04 LTS. I tried writing a test Qt GUI App(one that...
View ArticleHow many QNetworkAccessManagers to have in an app?
I wonder what the implications of using multiple QNAM are? Should I have only one QNAM and give it as a ctor parameter to my own QObjects, or should my QObjects just each create their own QNAM?
View ArticleControl execution speed
Hello guys! I need to code a new project in college. It’s a cache memory execution simulator. Do you guys know how to control the execution speed of the code with Qt? My idea is to put a slider at GUI...
View ArticleDisplaying a QT Widget on / overlaying a 3rd Party Window (in Windows)
http://stackoverflow.com/questions/16929090/displaying-a-qt-widget-on-overlaying-a-3rd-party-window-in-windows I asked this question a while back and got a good response. However, after finally getting...
View ArticleTaborder of Customized widegt
I have designed custom widgets. While using them in other application designed in Qt Creator, their tab order is being set as in the order they are created, but when i am trying to change tab order...
View ArticleQSerialPort and port naming on Linux (Centos)
Hi, I am just faced to problem of naming usb-serial ports on linux (Centos). I have application with two serial ports (one is usb-serial convertor and the second is rs485-usb) both based on FTDI232RL....
View ArticleQtSerial bytesAvailable rejecting 0 in Data bits
hello Sir, I am doing MODBUS based project and i have to manupulate with data contating ‘ 0 ‘ but when my program get ‘ 0 ‘ it terminates the further inputs ; Function char...
View ArticleQML preview not working on Ubuntu 13.04 with Qt Creator 2.8
I have built and installed Qt 5.1 with Qt Quick from the single source modules and installed Qt Creator 2.8.0 using the binary installer. I think I have set everything up right as the qml designer is...
View ArticleQtCreator on Windows: qmake does not exist or is not executable
Hello I’m trying to follow the “Getting Started” guide, and ran into a problem. Let me explain the steps I took, and perhaps some of you might see what I’ve done wrong; My system is Win7 64bit 1) I...
View ArticlePassing Events to QPA plugin
Hi, Is there a way to pass an event to QPA plugin? Basically, I want to dump the data in the Graphics Buffer when there is trigger from the App layer. I was thinking of waiting for an event and dumping...
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