Development/Tutorials/Printing Print Dialog

    From KDE TechBase
    Revision as of 19:03, 25 September 2011 by Tstaerk (talk | contribs)

    The mission

    To display the Print Dialog and print a document.

    KDE uses the Qt Printing infrastructure, but adds extra standard features to the Print Dialog, as well as allowing applications to add their own extensions.

    The files

    main.cpp

    #include <QtGui/QPainter>
    #include <QtGui/QPrinter>
    
    #include <KdePrintDialog>
    #include <KPrintPreview>
    
    #include <KApplication>
    #include <KAboutData>
    #include <KAction>
    #include <KCmdLineArgs>
    
    /*
    This prints Hello World on your printer
    */
    
    int main(int argc, char *argv[])
    {
        KAboutData aboutData( "test", "test", "1.0", "test",
                              KAboutData::License_GPL, "(c) 2006" );
        KCmdLineArgs::init( argc, argv, &aboutData );
        KApplication app;
    
        KAction* m_printPreview = KStandardAction::printPreview(app, SLOT(slotFilePrintPreview()), actionCollection());
    
        KHelloWorldPrintDialogWidget optionsWidget;
    
        QPrinter printer;
        printer.setFullPage(true);
        QPrintDialog *printDialog = KdePrint::createPrintDialog(&printer, QList<QWidget*>() << &yourOptionsWidget, this);
        printDialog.setWindowTitle(i18n("Print Hello World"));
        if (printDialog.exec()) 
        {
            QPainter painter;
            painter.begin(&printer);
            painter.drawText(100,100,"Hello World");
            if (optionsWidget.printMoreText()) 
            {
            }
            painter.end(); 
            // this makes the print job start
        }
    }
    
    class KHelloWorldPrintDialogWidget : public QWidget
    {
        bool printMoreText();
        void setPrintMoreText(bool state);
    
        setWindowTitle(i18n("Your Options Tab Title"));
    }
    
    void KHelloWorld::slotFilePrintPreview() 
    {
        QPrinter printer;
        KPrintPreview printPreview(&printer);
        yourPrintDrawingRoutine(printer); // draws to the QPrinter
        printPreview.exec();
    }
    

    CMakeLists.txt

    find_package(KDE4 REQUIRED)
    include_directories( ${KDE4_INCLUDES} )
    kde4_add_executable(printhelloworld printtest.cpp)
    target_link_libraries(printhelloworld ${KDE4_KDECORE_LIBS} ${KDE4_KUTILS_LIBS} ${QT_QTGUI_LIBRARY})
    

    Make and Run

    Then do:

    cmake .
    make
    ./printhelloworld