Various qt documentation fixes (wk 43)

Task-number: QTBUG-12389
Task-number: QTBUG-16667
Task-number: QTBUG-6151
Task-number: QTBUG-8625
Task-number: QTBUG-19808
Task-number: QTBUG-12096
Task-number: QTBUG-1231
Task-number: QTBUG-21073
Task-number: QTBUG-8939
Task-number: QTBUG-20399
Task-number: QTBUG-20944
Task-number: QTBUG-7542
Task-number: QTBUG-22095
Task-number: QTBUG-11278
Task-number: QTBUG-15653

Change-Id: Ibc369998d06e7f2f11b01a1ba4c2fb927e3c065b
Reviewed-by: Casper van Donderen <casper.vandonderen@nokia.com>

2 files changed, 6 insertions, 5 deletions

diff --git a/doc/src/snippets/code/doc_src_qt4-arthur.cpp b/doc/src/snippets/code/doc_src_qt4-arthur.cpp
index 0de11ce..6a24b0f 100644
--- a/doc/src/snippets/code/doc_src_qt4-arthur.cpp
+++ b/doc/src/snippets/code/doc_src_qt4-arthur.cpp
@@ -74,7 +74,7 @@ painter.drawEllipse(0, 0, 100, 100);
 painter.setBrush(QColor(255, 0, 0, 127));
 painter.drawRect(0, 0, width()/2, height());
 
-// Specify semi-transparend blue
+// Specify semi-transparent blue
 painter.setBrush(QColor(0, 0, 255, 127));
 painter.drawRect(0, 0, width(), height()/2);
 //! [3]
@@ -86,15 +86,16 @@ painter.drawLine(0, 0, width()/2, height());
 
 // One line with anti-aliasing
 painter.setRenderHint(QPainter::Antialiasing);
-painter.drawLine(width()/2, 0, width()/2, height());
+painter.drawLine(width()/2, 0, width(), height());
 //! [4]
 
 
 //! [5]
 QPainterPath path;
 path.addRect(20, 20, 60, 60);
-path.addBezier(0, 0,  99, 0,  50, 50,  99, 99);
-path.addBezier(99, 99,  0, 99,  50, 50,  0, 0);
+path.moveTo(0, 0);
+path.cubicTo(99, 0, 50, 50, 99, 99);
+path.cubicTo(0, 99, 50, 50, 0, 0);
 painter.drawPath(path);
 //! [5]
 
diff --git a/doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp b/doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp
index 96f0e2e..7454463 100644
--- a/doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp
+++ b/doc/src/snippets/code/src_corelib_kernel_qmetatype.cpp
@@ -73,7 +73,7 @@ MyStruct s2 = var.value<MyStruct>();
 
 //! [3]
 int id = QMetaType::type("MyClass");
-if (id == 0) {
+if (id != 0) {
     void *myClassPtr = QMetaType::construct(id);
     ...
     QMetaType::destroy(id, myClassPtr);