General and Desktop

[quote author="Volker" date="1312841948"] As a side note: Don't use a QLabel and show for your error message. Have a look at [[Doc:QMessageBox]], especially at the static convenience methods to show a nice error box. [/quote] Or [[Doc:QErrorMessage]], while we're at it :-)

Please provide some code showing what you are doing.

Take a look at "QImage::scaled()":http://doc.trolltech.com/4.7-snapshot/qimage.html#scaled with Qt::KeepAspectRatio mode

You didn't use a layout in your dialog. By default a widget will be placed at the top right then.

That's the way, check the type URL and the check the file type. You could also use a QImage or similar and try loading it :-)

May be "this":http://xizhizhu.blogspot.com/2010/10/hybrid-application-using-qml-and-qt-c.html help.

Thanks now I get a dlerror. Are my includes wrong or how to use the lib without linking? (the lib is GPL so I cannot directly link) Many thanks Michael unix:!macx { INCLUDEPATH += ./ ... QMAKE_LFLAGS += -g -Wl,-rpath,\$$ORIGIN }

@Alexis good one!

Not possible without changing Qt source. Anyway, you probably will never need to do that. This might be overkill... ;-) Regards,

thank you alexisdm. I fixed the code in my previous post

The text is selected in the focusInEvent, but immediately gets deselected by the following mousePressEvent hat is delivered to the line edit. This code works for me: @ class wvQlineEdit : public QLineEdit { Q_OBJECT public: wvQlineEdit(QWidget *parent); virtual ~wvQlineEdit() {} protected: void focusInEvent(QFocusEvent *e); void mousePressEvent(QMouseEvent *me); bool _selectOnMousePress; }; wvQlineEdit::wvQlineEdit(QWidget *parent) : QLineEdit(parent) { _selectOnMousePress = false; } void wvQlineEdit::focusInEvent(QFocusEvent *e) { QLineEdit::focusInEvent(e); selectAll(); _selectOnMousePress = true; } void wvQlineEdit::mousePressEvent(QMouseEvent *me) { QLineEdit::mousePressEvent(me); if(_selectOnMousePress) { selectAll(); _selectOnMousePress = false; } qDebug() << selectedText(); } @

No problem! There aren't really many reasons to have functions outside your class for this sort of thing. So, keeping them in scope is easy in that sense! Please be sure and add a [Solved] to the beginning of the title of the thread if you feel like the problem is solved.

The original question was: [quote author="kalster" date="1312611841"]what is the maximum QTcpServer connection limit?[/quote] That basically boils down to the OS level and is more or less independent from the frameworks and/or patterns you put on top. The latter may help in speeding up the processing of the requests of course.

Moved to General and Desktop because it is Qt-related topic.

Hi Gerolf, I know the process but i have some other doubts, i will get back soon.

I am sorry I can't help bq. I ll do that., But might there be a chance of the VTK library built wrongly?? What might be the other possibilities why it failing? Look, I don't want to alarm you, but my colleagues experience setting vtk up is not good...

Depending on the particulars of the open source licence encrypting parts of the binary could be in breach of the licence. Regardless of the technical aspects you could be heading for a world of problems with this approach.

Each widget (also a QLabel) has a background that is drawn onto the parent (e.g. your main window). You can reimplement each widgets paintEvent in a subclass and do your own painting there. If you overwrite the paintEvent of the main windwd, you draw behind each child, so behind the labels. If you want to change the labels, make a subclass of QLabel and use that instead of QLabel. Overwrite paintEvent in your QLabel subclass and draw there. If you want some main window image behind all labels, you could also make the labels transparent.

You are welcome, please add [solved] to your post title

Thanks Gerolf ...its working now..