diff options
Diffstat (limited to 'doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qpoint.cpp')
-rw-r--r-- | doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qpoint.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qpoint.cpp b/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qpoint.cpp new file mode 100644 index 000000000..9921f16c4 --- /dev/null +++ b/doc/codesnippets/doc/src/snippets/code/src_corelib_tools_qpoint.cpp @@ -0,0 +1,111 @@ +//! [0] +p = QPoint() + +p.setX(p.x() + 1) +p += QPoint(1, 0) +//! [0] + + +//! [1] +p = QPoint(1, 2) +#p.rx()--; // p becomes (0, 2) +//! [1] + + +//! [2] +p = QPoint(1, 2) +#p.ry()++; // p becomes (1, 3) +//! [2] + + +//! [3] +p = QPoint( 3, 7) +q = QPoint(-1, 4) +p += q # p becomes (2, 11) +//! [3] + + +//! [4] +p = QPoint( 3, 7) +q = QPoint(-1, 4) +p -= q # p becomes (4, 3) +//! [4] + + +//! [5] +p = QPoint(-1, 4) +p *= 2.5 # p becomes (-3, 10) +//! [5] + + +//! [6] +p = QPoint(-3, 10) +p /= 2.5 # p becomes (-1, 4) +//! [6] + + +//! [7] + +class MyWidget(QWidget): + + self.oldPosition = QPointer() + + # event : QMouseEvent + def mouseMoveEvent(QMouseEvent event): + point = event.pos() - self.oldPosition + if (point.manhattanLength() > 3): + # the mouse has moved more than 3 pixels since the oldPosition + pass +//! [7] + + +//! [8] +trueLength = sqrt(pow(x(), 2) + pow(y(), 2)) +//! [8] + + +//! [9] +p = QPointF() + +p.setX(p.x() + 1.0) +p += QPointF(1.0, 0.0) +#p.rx()++; +//! [9] + + +//! [10] + p = QPointF(1.1, 2.5) + #p.rx()--; // p becomes (0.1, 2.5) +//! [10] + + +//! [11] +p = QPointF(1.1, 2.5) +#p.ry()++; // p becomes (1.1, 3.5) +//! [11] + + +//! [12] +p = QPointF( 3.1, 7.1) +q = QPointF(-1.0, 4.1) +p += q # p becomes (2.1, 11.2) +//! [12] + + +//! [13] +p = QPointF( 3.1, 7.1) +q = QPointF(-1.0, 4.1) +p -= q # p becomes (4.1, 3.0) +//! [13] + + +//! [14] +p = QPointF(-1.1, 4.1) +p *= 2.5 # p becomes (-2.75, 10.25) +//! [14] + + +//! [15] +p = QPointF(-2.75, 10.25) +p /= 2.5 # p becomes (-1.1, 4.1) +//! [15] |