How to communicate 3 QProcess?
Hi, I need to communicate 3 process in Qt process1—> Parent process2—> Child1 process3—> Child2 help me please !!!
View ArticleHow to get current working directory in a Qt application?
I’m writing a program in C++ using the Qt library. I would like to get current working directory of my program (I mean that is the absolute path which contains file .pro). I saw the...
View ArticleLooking For QT Video Tutorial From Scratch To End
Hi, I am a complete newbie here (joined the QT gang today and already lost in info overload :( ). So I just installed QT Creator 5.1.0 for GUI projects gonna take place in some of my courses of...
View ArticleI can't deploy app to Android
I’m trying to deploy a simple (sample) app to my Nexus 4 without luck. I’m using Ubuntu 13.04 as my developping machine. I’ve done the following: – Activate the debbuging mode of the phone – I’m using...
View ArticleKeyboard input (outside of LineEdit or other entry widgets)
I’d like my app to respond to various keyboard events, and not only through the various text-entry widgets. For example, I’d like CTRL-Q to quit the application. I’d also like to program many custom...
View ArticleError with qtlocation1.dll
Hello everybody, I try to use qt mobility and the sample example named mapdemo. I compile it on my computer and it works propelly. Now I would like to try it on an other computer. So I copy all the...
View ArticleHow to use qwebkitplatformplugin?
how to use qwebkitplatformplugin in a QWebView? I have the following code: #include <QWebKitPlatformPlugin> MainWindow::MainWindow(QWidget *parent, bool new) : ...
View ArticleCan't build container
Hi, I just installed QT 5.1.0 (kit: Desktop Qt 5.1.0 MinGW 32bit) on my windows 7 laptop. I created a subdirs project and then added a QT application project. I did not add any code or any file,...
View ArticleError on Android Development. Please HELP...
Recenty installed Qt 5.1.0 (32bit) with Qt Creator 2.7.2 I want to develop apps for Android with Qt but I’m facing some errors Please check these link: 1. Error Creating Android templates [postimg.org]...
View ArticleZmiana widżetu karty
Witajcie drodzy forumowicze. Próbowałem już wiele języków i wiele bibliotek graficznych. Podczas nauki języka D natknąłem się na gtkD. Mogłem tam zmieniać widżet karty dzięki funkcji: setTabLabel ();...
View ArticleWhich Widget Should I Use?
I’m new to Qt and so far it’s been amazing. I’m looking for an item-based widget, a list, the one with details at the top (exactly like the one used in µTorrent). I mean the list of torrents and their...
View ArticleHow to pass 'QVariantMap' object of QVariantList from one .qml to another.qml...
We have ‘handler’ object which is been sent to qml using viewer.engine()->rootContext()->setContextProperty(“handler”, &handler); in main.cpp main.qml is able to make use of...
View ArticleHow to request Qt regional Group ?
Hi I request a regional Qt group for my country but still i haven’t reply for that .specially i believe its help to organize Qt meetups in my country ,Need some help from Site admins about that problem...
View ArticleAuto run on windows startup problem
Hi, I want my application automatically launch at windows startup, according to what i founds on internet a key must be added to windows registry. By using code below i added the key. When i open...
View ArticleI want a Date Picker for my app ?
Hi, i want to use a Date Picker in my QtQuick app so is there a ready solution for that ? Actually i’m using three spin boxes so if there is no solution for the date picker can i then optimize the spin...
View ArticleQt - OpacityMask does not work properly
hi everyone ! i am new in Qt world so, please be nice :D i need to work in .qml, to apply a shader effect over just a part of an image; i tried something like this: i load an image, put a mask (a...
View Articlemake install path
Hello, I’m reading the docs about qmake project variables: http://qt-project.org/doc/qt-5.0/qtdoc/qmake-variable-reference.html but I can’t understand how to achieve the following. I have a project,...
View Articlesql speed issue
Hello, I’m working on a project with QMYSQL connection to a mysql database. Everything works fine on local but when I connect to a remote server the speed is considerable slow -7 times slower. I tried...
View ArticleMemory leaks in QtMultimedia 5.0 on QML element MediaPlayer and Video?
Hi there, Not quite sure if this is the right place to post this question. But this is, really, really, driving me crazy… :( I’m currently working on a project, in which, I need a simple video player...
View ArticleQCamera supported capture modes
Hello. I am currently working on a webcam based project and I would like to know what are the conditions required for the webcam for it to support QCamera::CaptureVideo mode because I don’t seem to...
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