1 files changed, 101 insertions, 0 deletions
diff --git a/doc/codesnippets/doc/src/snippets/code/doc_src_qt4-intro.qdoc b/doc/codesnippets/doc/src/snippets/code/doc_src_qt4-intro.qdoc
new file mode 100644
index 000000000..ced563e7d
--- /dev/null
+++ b/doc/codesnippets/doc/src/snippets/code/doc_src_qt4-intro.qdoc
@@ -0,0 +1,101 @@
+//! [0]
+QT -= gui
+//! [0]
+
+
+//! [1]
+QT += network opengl sql qt3support
+//! [1]
+
+
+//! [2]
+CONFIG += uic3
+//! [2]
+
+
+//! [3]
+#include <QClassName>
+//! [3]
+
+
+//! [4]
+#include <QString>
+#include <QApplication>
+#include <QSqlTableModel>
+//! [4]
+
+
+//! [5]
+#include <qclassname.h>
+//! [5]
+
+
+//! [6]
+#include <QtCore>
+//! [6]
+
+
+//! [7]
+using namespace Qt;
+//! [7]
+
+
+//! [8]
+QLabel *label1 = new QLabel("Hello", this);
+QLabel *label2 = new QLabel(this, "Hello");
+//! [8]
+
+
+//! [9]
+MyWidget::MyWidget(QWidget *parent, const char *name)
+    : QWidget(parent, name)
+{
+    ...
+}
+//! [9]
+
+
+//! [10]
+// DEPRECATED
+if (obj->inherits("QPushButton")) {
+    QPushButton *pushButton = (QPushButton *)obj;
+    ...
+}
+//! [10]
+
+
+//! [11]
+QPushButton *pushButton = qobject_cast<QPushButton *>(obj);
+if (pushButton) {
+    ...
+}
+//! [11]
+
+
+//! [12]
+QLabel *label = new QLabel;
+QPointer<QLabel> safeLabel = label;
+safeLabel->setText("Hello world!");
+delete label;
+// safeLabel is now 0, whereas label is a dangling pointer
+//! [12]
+
+
+//! [13]
+QT += qt3support
+//! [13]
+
+
+//! [14]
+DEFINES += QT3_SUPPORT
+//! [14]
+
+
+//! [15]
+DEFINES += QT3_SUPPORT_WARNINGS
+//! [15]
+
+
+//! [16]
+DEFINES += QT3_SUPPORT
+//! [16]