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  • Making File Dialog only accept directories

    - by matt
    I want to have a file dialog only allow directories, here's what I've been trying: fileDialog = QtGui.QFileDialog() fileDialog.setFileMode(QtGui.QFileDialog.ShowDirsOnly) filename = fileDialog.getOpenFileName(self, 'Select USB Drive Location')) Thank You

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  • slot function not getting called

    - by chappar
    I am learning QT and trying out some examples. I am trying to make a dialog that disappears a label when a button is pressed and makes it appear when the same button is pressed again. Below is the code. #include <QApplication> #include <QPushButton> #include <QLabel> #include <QDialog> #include <QObject> #include

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  • What exactly are signals and slots in Qt?

    - by Jen
    I know how they work conceptually, but how are signals and slots implemented in the Qt framework? Qt Creator treats them as keywords, but are they simply a set of macros, or is a special pre-processor required before these source files can be compiled? In other words, if I use Qt's signal/slot features in my code, can I easily compile it on

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  • Hidden features of Qt.

    - by Lukasz Lew
    A little is hidden in Qt given splendid documentation. But given vastness of Qt functionality paradoxically many useful features have been overlooked by me (and reimplemented or work-arounded). What Qt functions you wish you have noticed earlier?

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  • Deleting QWinWidget

    - by user152508
    Hello I am using mfc to Qt migration and I am showing Qt dialogs in my Mfc app. Is it Ok to deleteLater QWinWidget in its winEvent handler? The thing is that I want all of my open Qt dialogs in My Mfc application to be automatically deleted when the main mfc window is closed. Since WM_DESTROY will be sent for all child windows ( and the Qt

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  • Calculix Data Visualiser using QT

    - by Ann
    I am doing a project on CalculiX data visualizor,using Qt.I 've to draw the structure and after giving force the displacement should be shawn as variation in color.I chose HSV coloring,but while executing I got an error message:"QColor::from Hsv:HSV parameters out of range".The code is: DataViz1::DataViz1(QWidget

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  • QString::number() - zero padding?

    - by elcuco
    I want to "stringify" a number and keep leading zeros. Unlike this question: http://stackoverflow.com/questions/885401/print-trailing-zeros-in-a-qstring I also need this in hex. By code now uses this, which is not enough: QString::number(myNumber,16).toUpper()

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  • what is the mistake in my code

    - by Solitaire
    class myslot { public: Q_OBJECT myslot() { } ~myslot() { } typedef enum Emycars{volvo,benz,tata}cars; public slots: void hellowslot(myslot::cars); }; void myslot::hellowslot(myslot::cars cars1) { } class mysignal { public:

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  • Call Slot of different class

    - by sijith
    Hi, I want to execute the slot of different class. When i execute this code its compiling without any error but not getting Output pendrive1::pendrive1() { UI_CDBurn Obj; connect( Obj.penDrive, SIGNAL(clicked()),&Obj , SLOT(caller())); } Here my slot is not working. Slot in UI_CDBurn is

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  • Events with QGraphicsItemGroup

    - by onurozcelik
    In my application I want to use QGraphicsItemGroup for grouping items into one item. I played with it a little and not sure using it because when I want to catch events, events are merged together but I want to handle specific event with specific child. How can I achieve this?

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