Development/Tutorials/Printing Print Dialog

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

 1 #include <QtGui/QPainter>
 2 #include <QtGui/QPrinter>
 3 
 4 #include <KdePrintDialog>
 5 #include <KPrintPreview>
 6 
 7 #include <KApplication>
 8 #include <KAboutData>
 9 #include <KAction>
10 #include <KCmdLineArgs>
11 
12 /*
13 This prints Hello World on your printer
14 */
15 
16 int main(int argc, char *argv[])
17 {
18     KAboutData aboutData( "test", "test", "1.0", "test",
19                           KAboutData::License_GPL, "(c) 2006" );
20     KCmdLineArgs::init( argc, argv, &aboutData );
21     KApplication app;
22 
23     KAction* m_printPreview = KStandardAction::printPreview(app, SLOT(slotFilePrintPreview()), actionCollection());
24 
25     KHelloWorldPrintDialogWidget optionsWidget;
26 
27     QPrinter printer;
28     printer.setFullPage(true);
29     QPrintDialog *printDialog = KdePrint::createPrintDialog(&printer, QList<QWidget*>() << &yourOptionsWidget, this);
30     printDialog.setWindowTitle(i18n("Print Hello World"));
31     if (printDialog.exec()) 
32     {
33         QPainter painter;
34         painter.begin(&printer);
35         painter.drawText(100,100,"Hello World");
36         if (optionsWidget.printMoreText()) 
37         {
38         }
39         painter.end(); 
40         // this makes the print job start
41     }
42 }
43 
44 class KHelloWorldPrintDialogWidget : public QWidget
45 {
46     bool printMoreText();
47     void setPrintMoreText(bool state);
48 
49     setWindowTitle(i18n("Your Options Tab Title"));
50 }
51 
52 void KHelloWorld::slotFilePrintPreview() 
53 {
54     QPrinter printer;
55     KPrintPreview printPreview(&printer);
56     yourPrintDrawingRoutine(printer); // draws to the QPrinter
57     printPreview.exec();
58 }

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