A widget for controlling a raster layer's transparency and related options. More...

#include <qgsrastertransparencywidget.h>

Inheritance diagram for QgsRasterTransparencyWidget:

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Public Slots
void	apply () override
	Apply any changes on the widget to the set layer.

void	syncToLayer ()
	Sync the widget state to the layer set for the widget.

Public Slots inherited from QgsMapLayerConfigWidget
virtual void	apply ()=0
	Called when changes to the layer need to be made.

virtual void	focusDefaultWidget ()
	Focuses the default widget for the page.

Public Slots inherited from QgsPanelWidget
void	acceptPanel ()
	Accept the panel.

void	openPanel (QgsPanelWidget *panel)
	Open a panel or dialog depending on dock mode setting If dock mode is `true` this method will emit the showPanel signal for connected slots to handle the open event.

Public Member Functions
	QgsRasterTransparencyWidget (QgsRasterLayer layer, QgsMapCanvas canvas, QWidget *parent=nullptr)
	Widget to control a layers transparency and related options.

void	applyToRasterProvider (QgsRasterDataProvider *provider) SIP_SKIP
	Applies widget settings to a raster provider.

void	applyToRasterRenderer (QgsRasterRenderer *renderer) SIP_SKIP
	Applies widget settings to a raster renderer.

QgsExpressionContext	createExpressionContext () const override
	This method needs to be reimplemented in all classes which implement this interface and return an expression context.

QgsMapToolEmitPoint *	pixelSelectorTool () const
	Returns the (possibly nullptr) map pixel selector tool.

void	setContext (const QgsSymbolWidgetContext &context)
	Sets the context in which the dialog is shown, e.g., the associated map canvas and expression contexts.

Public Member Functions inherited from QgsMapLayerConfigWidget
	QgsMapLayerConfigWidget (QgsMapLayer layer, QgsMapCanvas canvas, QWidget *parent=nullptr)
	A panel widget that can be shown in the map style dock.

virtual void	setMapLayerConfigWidgetContext (const QgsMapLayerConfigWidgetContext &context)
	Sets the context under which the widget is being shown.

virtual bool	shouldTriggerLayerRepaint () const
	Whether this config widget changes map layer properties in a way that triggerRepaint() should be called for the layer after applying changes.

virtual void	syncToLayer (QgsMapLayer *layer)
	Reset to original (vector layer) values.

Public Member Functions inherited from QgsPanelWidget
	QgsPanelWidget (QWidget *parent=nullptr)
	Base class for any widget that can be shown as an inline panel.

virtual bool	applySizeConstraintsToStack () const
	Returns `true` if the size constraints and hints for the panel widget should be applied to the parent QgsPanelWidgetStack which this panel is shown in.

bool	autoDelete ()
	The the auto delete property on the widget.

void	connectChildPanel (QgsPanelWidget *panel)
	Connect the given sub panel widgets showPanel signals to this current panels main showPanel event to bubble up to the user.

void	connectChildPanels (const QList< QgsPanelWidget * > &panels)
	Connect the given sub panel widgets showPanel signals to this current panels main showPanel event to bubble up to the user.

bool	dockMode ()
	Returns the dock mode state.

virtual QMenu *	menuButtonMenu ()
	Returns the menu to use for the menu button for this panel, or `nullptr` if no menu button is required.

virtual QString	menuButtonTooltip () const
	Returns the (translated) tooltip text to use for the menu button for this panel.

QString	panelTitle ()
	The title of the panel.

void	setAutoDelete (bool autoDelete)
	The the auto delete property on the widget.

virtual void	setDockMode (bool dockMode)
	Set the widget in dock mode which tells the widget to emit panel widgets and not open dialogs.

void	setPanelTitle (const QString &panelTitle)
	Set the title of the panel when shown in the interface.

Public Member Functions inherited from QgsExpressionContextGenerator
virtual	~QgsExpressionContextGenerator ()=default

Protected Member Functions
void	initializeDataDefinedButton (QgsPropertyOverrideButton *button, QgsRasterPipe::Property key)
	Registers a property override button, setting up its initial value, connections and description.

void	updateDataDefinedButton (QgsPropertyOverrideButton *button)
	Updates a specific property override button to reflect the widgets's current properties.

void	updateDataDefinedButtons ()
	Updates all property override buttons to reflect the widgets's current properties.

Protected Member Functions inherited from QgsPanelWidget
void	keyPressEvent (QKeyEvent *event) override
	Overridden key press event to handle the esc event on the widget.

Protected Attributes
QgsPropertyCollection	mPropertyCollection
	Temporary property collection.

Protected Attributes inherited from QgsMapLayerConfigWidget
QgsMapLayer *	mLayer = nullptr

QgsMapCanvas *	mMapCanvas = nullptr

QgsMapLayerConfigWidgetContext	mMapLayerConfigWidgetContext

Additional Inherited Members
Signals inherited from QgsMapLayerConfigWidget
void	dynamicTemporalControlToggled (bool enabled)
	Emitted whenever the dynamic temporal control option is toggled in the associated layer properties dialog.

Signals inherited from QgsPanelWidget
void	panelAccepted (QgsPanelWidget *panel)
	Emitted when the panel is accepted by the user.

void	showPanel (QgsPanelWidget *panel)
	Emit when you require a panel to be show in the interface.

void	widgetChanged ()
	Emitted when the widget state changes.

Static Public Member Functions inherited from QgsPanelWidget
static QgsPanelWidget *	findParentPanel (QWidget *widget)
	Traces through the parents of a widget to find if it is contained within a QgsPanelWidget widget.

Detailed Description

A widget for controlling a raster layer's transparency and related options.

Definition at line 38 of file qgsrastertransparencywidget.h.

Constructor & Destructor Documentation

◆ QgsRasterTransparencyWidget()

QgsRasterTransparencyWidget::QgsRasterTransparencyWidget	(	QgsRasterLayer *	layer,
		QgsMapCanvas *	canvas,
		QWidget *	parent = `nullptr`
	)

Widget to control a layers transparency and related options.

Definition at line 39 of file qgsrastertransparencywidget.cpp.

Member Function Documentation

◆ apply

void QgsRasterTransparencyWidget::apply ( )

overrideslot

Apply any changes on the widget to the set layer.

Definition at line 474 of file qgsrastertransparencywidget.cpp.

◆ applyToRasterProvider()

void QgsRasterTransparencyWidget::applyToRasterProvider ( QgsRasterDataProvider * provider )

Applies widget settings to a raster provider.

Note: Not available in Python bindings

Since: QGIS 3.40

Definition at line 481 of file qgsrastertransparencywidget.cpp.

◆ applyToRasterRenderer()

void QgsRasterTransparencyWidget::applyToRasterRenderer ( QgsRasterRenderer * renderer )

Applies widget settings to a raster renderer.

Note: Not available in Python bindings

Since: QGIS 3.40

Definition at line 505 of file qgsrastertransparencywidget.cpp.

◆ createExpressionContext()

QgsExpressionContext QgsRasterTransparencyWidget::createExpressionContext ( ) const

overridevirtual

This method needs to be reimplemented in all classes which implement this interface and return an expression context.

Implements QgsExpressionContextGenerator.

Definition at line 83 of file qgsrastertransparencywidget.cpp.

◆ initializeDataDefinedButton()

void QgsRasterTransparencyWidget::initializeDataDefinedButton	(	QgsPropertyOverrideButton *	button,
		QgsRasterPipe::Property	key
	)

protected

Registers a property override button, setting up its initial value, connections and description.

Parameters

button	button to register
key	corresponding data defined property key

Note: Not available in Python bindings

Since: QGIS 3.22

Definition at line 560 of file qgsrastertransparencywidget.cpp.

◆ pixelSelectorTool()

QgsMapToolEmitPoint * QgsRasterTransparencyWidget::pixelSelectorTool ( ) const

Returns the (possibly nullptr) map pixel selector tool.

Since: QGIS 3.22

Definition at line 839 of file qgsrastertransparencywidget.cpp.

◆ setContext()

void QgsRasterTransparencyWidget::setContext ( const QgsSymbolWidgetContext & context )

Sets the context in which the dialog is shown, e.g., the associated map canvas and expression contexts.

Since: QGIS 3.22

Definition at line 78 of file qgsrastertransparencywidget.cpp.

◆ syncToLayer

void QgsRasterTransparencyWidget::syncToLayer ( )

slot

Sync the widget state to the layer set for the widget.

Definition at line 112 of file qgsrastertransparencywidget.cpp.

◆ updateDataDefinedButton()

void QgsRasterTransparencyWidget::updateDataDefinedButton ( QgsPropertyOverrideButton * button )

protected

Updates a specific property override button to reflect the widgets's current properties.

Note: Not available in Python bindings

Since: QGIS 3.22

Definition at line 578 of file qgsrastertransparencywidget.cpp.

◆ updateDataDefinedButtons()

void QgsRasterTransparencyWidget::updateDataDefinedButtons ( )

protected

Updates all property override buttons to reflect the widgets's current properties.

Note: Not available in Python bindings

Since: QGIS 3.22

Definition at line 569 of file qgsrastertransparencywidget.cpp.

Member Data Documentation

◆ mPropertyCollection

QgsPropertyCollection QgsRasterTransparencyWidget::mPropertyCollection

protected

Temporary property collection.

Definition at line 128 of file qgsrastertransparencywidget.h.

The documentation for this class was generated from the following files:

/build/qgis-3.99.0+git20250718+f78f5286a64+99sid/src/gui/raster/qgsrastertransparencywidget.h
/build/qgis-3.99.0+git20250718+f78f5286a64+99sid/src/gui/raster/qgsrastertransparencywidget.cpp

Public Slots

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QgsRasterTransparencyWidget()

Member Function Documentation

◆ apply

◆ applyToRasterProvider()

◆ applyToRasterRenderer()

◆ createExpressionContext()

◆ initializeDataDefinedButton()

◆ pixelSelectorTool()

◆ setContext()

◆ syncToLayer

◆ updateDataDefinedButton()

◆ updateDataDefinedButtons()

Member Data Documentation

◆ mPropertyCollection