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| − | Start | + | =Start= |
| | To learn KDE programming, first read this: | | To learn KDE programming, first read this: |
| | http://developer.kde.org/~wheeler/cpp-pitfalls.html | | http://developer.kde.org/~wheeler/cpp-pitfalls.html |
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| − | Your first program shall greet the world with a friendly "hello world", what else ? For that, we will use a KMessageBox. To get more information about the KMessageBox-Class, type "kde: kmessagebox" in your konqueror and it will redirect you to http://developer.kde.org/documentation/library/cvs-api/kdelibs-apidocs/kdeui/html/classKMessageBox.html | + | * [[ProgrammingTutorialFirstProgram | Your first program]] |
| − | | + | * [[How to write Kontact plugins]] |
| − | #include <QString>
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| − | #include <kapplication.h>
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| − | #include <kaboutdata.h>
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| − | #include <kmessagebox.h>
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| − | #include <kcmdlineargs.h>
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| − | int main (int argc, char *argv[])
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| − | {
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| − | KAboutData aboutData( "test", "test",
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| − | "1.0", "test", KAboutData::License_GPL,
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| − | "(c) 2006" );
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| − | KCmdLineArgs::init( argc, argv, &aboutData );
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| − | KApplication khello;
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| − | KGuiItem kgi(QString("Hello"),QString(),QString("this is a tooltip"),QString("this is whatsthis"));
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| − | KMessageBox::questionYesNo(0,"text","caption",kgi);
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| − | }
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| − | | + | |
| − | If you set up your environment as in KDE3To4, you can compile this code with
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| − | gcc hello.cpp -o hello -I/home/kde-devel/qt-unstable/include/Qt -I/home/kde-devel/qt-unstable/include/Qt-Core \
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| − | -I/home/kde-devel/qt-unstable/include -I/home/kde-devel/kde/include -L/home/kde-devel/kde/lib \
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| − | -L/home/kde-devel/qt-unstable/lib -lkdeui -lkdecore -ldl
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| − | and then run it with
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| − | ./hello
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This is a tutorial to learn KDE programming by examples. It assumes you are working with KDE 4, not KDE 3 (see build_unstable for how to build it).
KDE TechBase 