Strange error while opening file?
Hi, I am getting a strange error in Qt Creator’s “Application Output” region while running/degubbing my application from Qt Creator: log4cplus:ERROR No appenders could be found for logger...
View ArticleStrange error while debugging my application?
Hi, I get the following error while debugging my application: (Internal error: pc 0×357 in read in psymtab, but not in symtab.) (Internal error: pc 0×357 in read in psymtab, but not in symtab.)...
View ArticleLaunching qwt app on another computer
I`m trying to launch qwt application on another computer, which is successfully compiled and working on my computer, where is qt and qwt not installed. I put in the folder with .exe file such dll`s:...
View Articledialog openes several time in MainWindow
hi all, i have the following problem: i have a mainWindow and a .ui form which opens if i press a button in the mainWindow. the .ui form has an OK button and a Cancel button. after i open it 1st time,...
View ArticleDrag & drop between two QtreeWidgets
Hi, I have been working in a quite big project where there was a Qwidget integrated in a QDeclarativeView for a few months, and I had a bug that I am trying to solve. To solve it I am reducing the...
View ArticleAdjust size problem
Hi guys I made a interface by ui. Sometimes I hide some labels, text edits etc. When I hide them, There are a lot of blank areas on the group boxes and frames. I add the adjustsize() function under the...
View ArticleDoes ANGLE built Qt support desktop OpenGL?
Does ANGLE built Qt support desktop OpenGL?
View ArticleEmit a signal when a subwindow is clicked
Hello, I have a bunch of widgets (mini screens) that I put into subwindows of an mdiarea. I would like to find a way to emit a signal when one of the subwindows are clicked or double clicked. The click...
View Articlestd::__non_rtti_object is thrown in QAbstractItemModel::endResetModel()
Hello I recently switched compiler from MinGW to MSVC. I have now a bug on a code that worked fine with MinGW. The runtime throws a std::__non_rtti_object exception when I call endResetModel(); I built...
View ArticleQT für Ubunto12.04 (Linux)- ttyS
Hallo ,, Eine kleine Anwendung (GUI) mit BUTTONS muss entworfen werden, und dann muss ich Daten über den ttyS0 senden und empfangen. ich benutze Ubunto 12.04 (Precise Pangoli- mit Hilfe von GNOME...
View ArticleProblem with boundingRect() method
Hi, In a QGraphicsScene instance I want to create a QGraphicsSimpleTextItem (label) as a child item of a QGraphicsRectItem (Rectangle). So, I have to set the width and the height of the rectangle (the...
View ArticleQtMultimedia : defaultServiceProvider::requestService(): no service found for...
Hello everyone, my problem is the following : I’m developping a multimedia application with Qt obviously (Qt 5.1.0-RC1), therefore I use the QMediaPlayer [qt-project.org] class from the QtMultimedia...
View ArticleMake sure window is animated on show()
Is it possible to ensure a window is animated when shown? So, basically when you create a new dialog it gets shown popping up in a little animation. Then if you kill it or show it again it just appears...
View ArticleInstallation is a mess !
I have just spent 3 unproductive hours trying to get a working QT 4.8 system on Windows 7 with Visual Studio 2008. I downloaded the Qt libraries for Visual Studio 2008 and Qt Creator. Qt creator cannot...
View ArticleTuboLinux1 Client 12.5へのインストール
お世話になります。教えてください。 Win8上のVirtualBox上のturbolinux Client12.5にQt5.0.2をインストールしようとしてrunファイルをｓｈしようとしたのですが cannot execute binary file になってしまいます。unameやfileをやってみても３２ビットになっていて特に問題が見つかりません。何が問題なのでしょうか？教えてください。...
View ArticleMenu bar does not show up
Hi I am following tutorials on youtube. My form has Manu bar and toolbar. I have created one menu named File and under that I have submenu called New Window. I also added actionNew_Window to the...
View Articleqtabwidget and webview trouble
Hey, So whenever I place a webview inside a tabwidget I get this error: error: [Makefile] Error 3. I am sure im missing something super simple. Thanks!
View ArticleQWebView values are updated but correspondingly its not updating on click.
QWebElement selectBox2 = m_WebView->page()->mainFrame()->findFirstElement("select[id=hostid]"); ...
View ArticleWhat is QXcb Error
Hi, I am trying to embed a QWindow using createwindowContainer , though the window is embedding some times and some times it does not, and i am getting the below errors. I googled and found below posts...
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