Zoomer(int xAxis, int yAxis, QWidget *canvas):
#else
Zoomer(int xAxis, int yAxis, QwtPlotCanvas *canvas):
#endif
QwtPlotZoomer(xAxis, yAxis, canvas)
{
#if QWT_VERSION >= 0x060000
setStateMachine(new QwtPickerDragRectMachine());
#else
setSelectionFlags(QwtPicker::DragSelection | QwtPicker::CornerToCorner);
#endif
// setTrackerMode(QwtPlotZoomer::AlwaysOn);
// setTrackerMode(QwtPicker::AlwaysOff);
// setRubberBand(QwtPicker::NoRubberBand);
QPen pen = rubberBandPen();
pen.setColor(Qt::black);
setRubberBandPen(pen);
setTrackerPen(pen);
// RightButton: zoom out by 1
// Ctrl+RightButton: zoom out to full size
setMousePattern(QwtEventPattern::MouseSelect2,
Qt::RightButton, Qt::ControlModifier);
setMousePattern(QwtEventPattern::MouseSelect3,
Qt::RightButton);
}
//! Init the picker, used by the constructors
void QwtPicker::init(QWidget *parent, int selectionFlags,
RubberBand rubberBand, DisplayMode trackerMode)
{
d_data = new PrivateData;
d_data->rubberBandWidget = NULL;
d_data->textLabelWidget = NULL;
d_data->rubberBand = rubberBand;
d_data->enabled = false;
d_data->resizeMode = Stretch;
d_data->trackerMode = AlwaysOff;
d_data->isActive = false;
d_data->labelPosition = QPoint(-1, -1);
d_data->mouseTracking = false;
d_data->stateMachine = NULL;
setSelectionFlags(selectionFlags);
if ( parent )
{
#if QT_VERSION >= 0x040000
if ( parent->focusPolicy() == Qt::NoFocus )
parent->setFocusPolicy(Qt::WheelFocus);
#else
if ( parent->focusPolicy() == QWidget::NoFocus )
parent->setFocusPolicy(QWidget::WheelFocus);
#endif
d_data->trackerFont = parent->font();
d_data->mouseTracking = parent->hasMouseTracking();
setEnabled(true);
}
setTrackerMode(trackerMode);
}
int QwtPicker::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QObject::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: selected((*reinterpret_cast< const QwtPicker::SelectedPoints(*)>(_a[1]))); break;
case 1: appended((*reinterpret_cast< const QPoint(*)>(_a[1]))); break;
case 2: moved((*reinterpret_cast< const QPoint(*)>(_a[1]))); break;
case 3: changed((*reinterpret_cast< const SelectedPoints(*)>(_a[1]))); break;
}
_id -= 4;
}
#ifndef QT_NO_PROPERTIES
else if (_c == QMetaObject::ReadProperty) {
void *_v = _a[0];
switch (_id) {
case 0: *reinterpret_cast< int*>(_v) = selectionFlags(); break;
case 1: *reinterpret_cast< DisplayMode*>(_v) = trackerMode(); break;
case 2: *reinterpret_cast< QFont*>(_v) = trackerFont(); break;
case 3: *reinterpret_cast< RubberBand*>(_v) = rubberBand(); break;
case 4: *reinterpret_cast< ResizeMode*>(_v) = resizeMode(); break;
case 5: *reinterpret_cast< bool*>(_v) = isEnabled(); break;
case 6: *reinterpret_cast< QPen*>(_v) = trackerPen(); break;
case 7: *reinterpret_cast< QPen*>(_v) = rubberBandPen(); break;
}
_id -= 8;
} else if (_c == QMetaObject::WriteProperty) {
void *_v = _a[0];
switch (_id) {
case 0: setSelectionFlags(*reinterpret_cast< int*>(_v)); break;
case 1: setTrackerMode(*reinterpret_cast< DisplayMode*>(_v)); break;
case 2: setTrackerFont(*reinterpret_cast< QFont*>(_v)); break;
case 3: setRubberBand(*reinterpret_cast< RubberBand*>(_v)); break;
case 4: setResizeMode(*reinterpret_cast< ResizeMode*>(_v)); break;
case 5: setEnabled(*reinterpret_cast< bool*>(_v)); break;
case 6: setTrackerPen(*reinterpret_cast< QPen*>(_v)); break;
case 7: setRubberBandPen(*reinterpret_cast< QPen*>(_v)); break;
}
_id -= 8;
} else if (_c == QMetaObject::ResetProperty) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyDesignable) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyScriptable) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyStored) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyEditable) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyUser) {
_id -= 8;
}
#endif // QT_NO_PROPERTIES
return _id;
}
void CustomPicker::widgetMouseMoveEvent(QMouseEvent *e) {
if (!isActive()) {
setSelectionFlags(QwtPicker::PointSelection);
begin();
append(e->pos());
}
QwtPlotPicker::widgetMouseMoveEvent(e);
}
//! Init the zoomer, used by the constructors
void QwtPlotZoomer::init(int selectionFlags, DisplayMode trackerMode)
{
d_data = new PrivateData;
d_data->maxStackDepth = -1;
setSelectionFlags(selectionFlags);
setTrackerMode(trackerMode);
setRubberBand(RectRubberBand);
setZoomBase(scaleRect());
}
Zoomer(int xAxis, int yAxis, QwtPlotCanvas *canvas):
QwtPlotZoomer(xAxis, yAxis, canvas)
{
setSelectionFlags(QwtPicker::DragSelection | QwtPicker::CornerToCorner);
setTrackerMode(QwtPicker::AlwaysOff);
setRubberBand(QwtPicker::NoRubberBand);
// RightButton: zoom out by 1
// Ctrl+RightButton: zoom out to full size
setMousePattern(QwtEventPattern::MouseSelect2,
Qt::RightButton, Qt::ControlModifier);
setMousePattern(QwtEventPattern::MouseSelect3,
Qt::RightButton);
}
CustomPicker::CustomPicker(int xAxis, int yAxis, QwtPlotCanvas *canvas)
: QwtPlotPicker(xAxis, yAxis, 0, CrossRubberBand, AlwaysOn, canvas) {
setSelectionFlags(QwtPicker::PointSelection);
setRubberBand(QwtPicker::CrossRubberBand);
canvas->setMouseTracking(true);
}
