Class: QgsRasterBandComboBox

class qgis.gui.QgsRasterBandComboBox(parent: QWidget = None)

Bases: PyQt5.QtWidgets.QComboBox

Constructor for QgsRasterBandComboBox.

A combobox widget which displays the bands present in a raster layer.

New in version 3.0: Methods

actionEvent
changeEvent
childEvent
closeEvent
connectNotify
contextMenuEvent
create
currentBand Returns the current band number selected in the combobox, or -1 if no band is selected.
customEvent
destroy
disconnectNotify
dragEnterEvent
dragLeaveEvent
dragMoveEvent
dropEvent
enterEvent
focusInEvent
focusNextChild
focusNextPrevChild
focusOutEvent
focusPreviousChild
hideEvent
initPainter
initStyleOption
inputMethodEvent
isShowingNotSetOption Returns true if the combo box is showing the “not set” option.
isSignalConnected
keyPressEvent
keyReleaseEvent
layer Returns the layer currently associated with the combobox.
leaveEvent
metric
mouseDoubleClickEvent
mouseMoveEvent
mousePressEvent
mouseReleaseEvent
moveEvent
nativeEvent
paintEvent
receivers
resizeEvent
sender
senderSignalIndex
setBand Sets the current band number selected in the combobox.
setLayer Sets the raster layer for which the bands are listed in the combobox.
setShowNotSetOption Sets whether the combo box should show the “not set” option.
sharedPainter
showEvent
tabletEvent
timerEvent
updateMicroFocus
wheelEvent

Signals

bandChanged This signal is emitted when the currently selected band changes.

Attributes

actionEvent()
bandChanged

This signal is emitted when the currently selected band changes. [signal]

changeEvent()
childEvent()
closeEvent()
connectNotify()
contextMenuEvent()
create()
currentBand(self) → int

Returns the current band number selected in the combobox, or -1 if no band is selected.

See also

setBand()

customEvent()
destroy()
disconnectNotify()
dragEnterEvent()
dragLeaveEvent()
dragMoveEvent()
dropEvent()
enterEvent()
focusInEvent()
focusNextChild()
focusNextPrevChild()
focusOutEvent()
focusPreviousChild()
hideEvent()
initPainter()
initStyleOption()
inputMethodEvent()
isShowingNotSetOption(self) → bool

Returns true if the combo box is showing the “not set” option.

isSignalConnected()
keyPressEvent()
keyReleaseEvent()
layer(self) → QgsRasterLayer

Returns the layer currently associated with the combobox.

See also

setLayer()

leaveEvent()
metric()
mouseDoubleClickEvent()
mouseMoveEvent()
mousePressEvent()
mouseReleaseEvent()
moveEvent()
nativeEvent()
paintEvent()
receivers()
resizeEvent()
sender()
senderSignalIndex()
setBand(self, band: int)

Sets the current band number selected in the combobox.

See also

band()

setLayer(self, layer: QgsMapLayer)

Sets the raster layer for which the bands are listed in the combobox. If no layer is set or a non-raster layer is set then the combobox will be empty.

See also

layer()

setShowNotSetOption(self, show: bool, string: str = '')

Sets whether the combo box should show the “not set” option. Optionally the built in “not set” text can be overridden by specifying a string.

sharedPainter()
showEvent()
tabletEvent()
timerEvent()
updateMicroFocus()
wheelEvent()