Class: QgsCurveEditorWidget¶

class qgis.gui.QgsCurveEditorWidget(parent: QWidget = None, curve: QgsCurveTransform = QgsCurveTransform())¶

Bases: PyQt5.QtWidgets.QWidget

Constructor for QgsCurveEditorWidget.

A widget for manipulating QgsCurveTransform curves.

New in version 3.0: Methods

`actionEvent`
`changeEvent`
`childEvent`
`closeEvent`
`connectNotify`
`contextMenuEvent`
`create`
`curve`	Returns a curve representing the current curve from the widget.
`customEvent`
`destroy`
`disconnectNotify`
`dragEnterEvent`
`dragLeaveEvent`
`dragMoveEvent`
`dropEvent`
`enterEvent`
`event`
`focusInEvent`
`focusNextChild`
`focusNextPrevChild`
`focusOutEvent`
`focusPreviousChild`
`hideEvent`
`initPainter`
`inputMethodEvent`
`isSignalConnected`
`keyPressEvent`
`keyReleaseEvent`
`leaveEvent`
`maxHistogramValueRange`	Returns the maximum expected value for the range of values shown in the histogram.
`metric`
`minHistogramValueRange`	Returns the minimum expected value for the range of values shown in the histogram.
`mouseDoubleClickEvent`
`mouseMoveEvent`
`mousePressEvent`
`mouseReleaseEvent`
`moveEvent`
`nativeEvent`
`paintEvent`
`receivers`
`resizeEvent`
`sender`
`senderSignalIndex`
`setCurve`	Sets the `curve` to show in the widget.
`setHistogramSource`	Sets a `layer` and `expression` source for values to show in a histogram behind the curve.
`setMaxHistogramValueRange`	Sets the maximum expected value for the range of values shown in the histogram.
`setMinHistogramValueRange`	Sets the minimum expected value for the range of values shown in the histogram.
`sharedPainter`
`showEvent`
`tabletEvent`
`timerEvent`
`updateMicroFocus`
`wheelEvent`

Signals

changed Emitted when the widget curve changes [signal]

Attributes

actionEvent()¶

changeEvent()¶

changed¶: Emitted when the widget curve changes [signal]

childEvent()¶

closeEvent()¶

connectNotify()¶

contextMenuEvent()¶

create()¶

curve(self) → QgsCurveTransform¶: Returns a curve representing the current curve from the widget.

See also

setCurve()

customEvent()¶

destroy()¶

disconnectNotify()¶

dragEnterEvent()¶

dragLeaveEvent()¶

dragMoveEvent()¶

dropEvent()¶

enterEvent()¶

event()¶

focusInEvent()¶

focusNextChild()¶

focusNextPrevChild()¶

focusOutEvent()¶

focusPreviousChild()¶

hideEvent()¶

initPainter()¶

inputMethodEvent()¶

isSignalConnected()¶

keyPressEvent(self, event: QKeyEvent)¶

keyReleaseEvent()¶

leaveEvent()¶

maxHistogramValueRange(self) → float¶: Returns the maximum expected value for the range of values shown in the histogram.

See also

minHistogramValueRange()

See also

setMaxHistogramValueRange()

metric()¶

minHistogramValueRange(self) → float¶: Returns the minimum expected value for the range of values shown in the histogram.

See also

maxHistogramValueRange()

See also

setMinHistogramValueRange()

mouseDoubleClickEvent()¶

mouseMoveEvent()¶

mousePressEvent()¶

mouseReleaseEvent()¶

moveEvent()¶

nativeEvent()¶

paintEvent()¶

receivers()¶

resizeEvent()¶

sender()¶

senderSignalIndex()¶

setCurve(self, curve: QgsCurveTransform)¶: Sets the curve to show in the widget.

See also

curve()

setHistogramSource(self, layer: QgsVectorLayer, expression: str)¶: Sets a layer and expression source for values to show in a histogram behind the curve. The histogram is generated in a background thread to keep the widget responsive.

See also

minHistogramValueRange()

See also

maxHistogramValueRange()

setMaxHistogramValueRange(self, maxValueRange: float)¶: Sets the maximum expected value for the range of values shown in the histogram.

See also

setMinHistogramValueRange()

See also

maxHistogramValueRange()

setMinHistogramValueRange(self, minValueRange: float)¶: Sets the minimum expected value for the range of values shown in the histogram.

See also

setMaxHistogramValueRange()

See also

minHistogramValueRange()

sharedPainter()¶

showEvent()¶

tabletEvent()¶

timerEvent()¶

updateMicroFocus()¶

wheelEvent()¶