Linked list, but not like that
I want to use a linked list structure to link structures in multiple ways. The structures are loaded from a(n XML) file, and simply allocated in the order they are loaded. Each structure may then...
View Articlehow to force listview to draw all items?
Hi *, I have a data model in c++ and a listview for showing the stuff. The delegate is only a Loader item which load the items from diferent files based on the path inside the model. It works very...
View Article100% cpu load when debugging Qt application at a certain level of memory.
Hay, We experience a strange problem at Wince7 and debugging Qt applications with visual studio 2008, the version of Qt used is the 4.8.4. When debugging our application the cpu raises towards 100%...
View ArticleItem::mapToItem(): wrong returned values
Hi all! I’d like to write my very first message in this forum since the acquisition by Digia and creation of the Qt Project. My problem is that Item::mapToItem(null, x, y) is giving wrong values. As...
View ArticleQScriptEngineDebugger inside my own Widget
Hello Qt community, I’ve been reading some examples regarding the QScriptEngineDebugger, and apparently this script tool shows itself as a new window when some exception occurs while evaluating some...
View ArticleNecessitas deploying error
Hi everyone! I am recently install latest Necessitas SDK on my Ubuntu 12.10. Then create simple app with 1 button and try run it on emulator, but got this error on deploying step: -pre-build:...
View ArticleBest practices on how to implement signal/slot
I have an application that needs to detect when a entity enters in a defined field, you can almost think of it as a collection detection. I have the application setup in the following way: 1) There is...
View Articlewhy my QAbstractTableModel table is slower than QStandardItemModel table?
The table was using QStandardItemModel before, after I learned that QStandardItemModel is always slower than loading a custom model due to the creation of each individual QStandardItem based on book...
View ArticleQT 5.0.1 en WIN7
Hola amigos. Acabo de instalar el paquete de QT 5.0.1 en WIN7 y todos los proyectos que tenia antes hechos para el QT 4.8 dejaron de funcionar. El momento de compilar me sale este mensaje cc1plus.exe:...
View ArticleLabel font antialiasing...
Hi folks, I want to ask you, how to force antialiasing in QLabel component? I am using Open Sans Light font for UI, and, however I set font style strategy, it does not do anything to text at all. Thanks.
View ArticleWhat to do about timers when computer goes to sleep mode..?
For example now its 00:20, i want at 00:22 a function to be called. so i use seconds until 00:22 which will output 120.. what about if in that period of time the user sleeps(suspends) the computer? i...
View Article** افتتاح وبسایت کارشناسان کیوت ایران **
بنام خالق یکتا به همه دوستان قدیمی و جدید عزیزم افتتاح شبکه کارشناسان کیوت ایران رو تبریک میگم. بالاخره بعد از مدتی تلاش بی وقفه موفق شدیم تا امشب 21 بهمن 1391 ساعت 03:30 نیمه شب بوقت تهران نسخه پایه...
View ArticleQProcess won't terminate immediately in a forked process
I have the following problem: I have a linux application, which can be either run as a standalone application or a service (forked). My application later starts another application (in this case,...
View ArticleQuestion about Delegates in QTableView
Hi guys :) I have delegate from QStyledItemDelegate. In my TableView i want to make a specified cell read only. I want to do it in delegate. How can i do that? Second Question: How can i get editor of...
View ArticleQt, Sqlite e come aggiungere l'estensione SpatiaLite
Ciao a tutti, dopo vari tentativi sono riuscito ad integrare l’impiego di estensioni per Sqlite da un progetto Qt. L’ho fatto per sfruttare le incredibili funzionalità offerte da Spatialite (progetto...
View ArticleMSVC2010 rebuilds every time, deletes *.obj on "DLL-link-fail"
I use QMake to gen *.vcproj (from *.pro) to create DLLs that expose C++ classes to QML (Qt5.0.1/MSVC2010). The DLLs work. However, I have two problems (they might be related): When I “build”, it ALWAYS...
View Articleline drawing using qpainter
After trying many things and failed, i finally came here to do what i was trying. I want to display lines which are stored in a file named “line.txt” in comma seperated values. i have successfully read...
View ArticleСборка WebKit + Qt5 Ubuntu 12.04 32-bit
Не удается собрать последний WebKit (WebKit-r14171) +Qt5 согласно инструкции http://trac.webkit.org/wiki/BuildingQtOnLinux на Ubuntu 12.04 32-bit При чем, на Ubuntu 12.04 64-bit сборка производится...
View ArticleLinker problems when building QtWebKit (inside of Qt 5.0.1 ) on osx.
Hi All, I need to have Qt 5.0.1 with QtWebkit compiled from source. Unfortunately I’m running into the following problem: clang++ -headerpad_max_install_names -mmacosx-version-min=10.6 -single_module...
View Article[SOLVED]Qt 5.0.1 for Linux x64 - Qt Creator needs compiler!
After downloading Qt 5.0.1 for Linux x64 I got this error message when I tried to build “Hello world” application! :-1: error: Qt Creator needs a compiler set up to build. Configure a compiler in the...
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