A widget that displays an overview map. More...

#include <qgsmapoverviewcanvas.h>

Inheritance diagram for QgsMapOverviewCanvas:

Public Member Functions
	QgsMapOverviewCanvas (QWidget parent=nullptr, QgsMapCanvas mapCanvas=nullptr)

void	enableAntiAliasing (bool flag)

QList< QgsMapLayer * >	layers () const
	Returns list of layers visible in the overview. More...

void	refresh ()
	renders overview and updates panning widget More...

void	setBackgroundColor (const QColor &color)
	changes background color More...

void	setLayers (const QList< QgsMapLayer * > &layers)
	updates layer set for overview More...

void	updateFullExtent ()

Protected Slots
void	layerRepaintRequested (bool deferred=false)
	Triggered when a layer in the overview requests a repaint. More...

void	mapRenderingFinished ()

Protected Member Functions
void	destinationCrsChanged ()
	Should be called when the canvas destination CRS is changed. More...

void	drawExtentRect ()
	used for overview canvas to reflect changed extent in main map canvas More...

void	mouseMoveEvent (QMouseEvent *e) override
	Overridden mouse move event. More...

void	mousePressEvent (QMouseEvent *e) override
	Overridden mouse press event. More...

void	mouseReleaseEvent (QMouseEvent *e) override
	Overridden mouse release event. More...

void	paintEvent (QPaintEvent *pe) override
	Overridden paint event. More...

void	resizeEvent (QResizeEvent *e) override
	Overridden resize event. More...

void	showEvent (QShowEvent *e) override
	Overridden show event. More...

void	transformContextChanged ()
	Called when the canvas transform context is changed. More...

void	updatePanningWidget (QPoint pos)
	called when panning to reflect mouse movement More...

Protected Attributes
QgsMapRendererQImageJob *	mJob = nullptr
	for rendering overview More...

QgsMapCanvas *	mMapCanvas = nullptr
	main map canvas - used to get/set extent More...

QPoint	mPanningCursorOffset
	position of cursor inside panning widget More...

QgsPanningWidget *	mPanningWidget = nullptr
	widget for panning map in overview More...

QPixmap	mPixmap
	pixmap where the map is stored More...

QgsMapSettings	mSettings
	map settings used for rendering of the overview map More...

Detailed Description

A widget that displays an overview map.

Definition at line 38 of file qgsmapoverviewcanvas.h.

Constructor & Destructor Documentation

QgsMapOverviewCanvas::QgsMapOverviewCanvas	(	QWidget *	parent = `nullptr`,
		QgsMapCanvas *	mapCanvas = `nullptr`
	)

Definition at line 34 of file qgsmapoverviewcanvas.cpp.

Member Function Documentation

void QgsMapOverviewCanvas::destinationCrsChanged ( )

protected

Should be called when the canvas destination CRS is changed.

Definition at line 262 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::drawExtentRect ( )

protected

used for overview canvas to reflect changed extent in main map canvas

Definition at line 80 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::enableAntiAliasing ( bool flag )

inline

Definition at line 57 of file qgsmapoverviewcanvas.h.

void QgsMapOverviewCanvas::layerRepaintRequested ( bool deferred = false )

protectedslot

Triggered when a layer in the overview requests a repaint.

Definition at line 211 of file qgsmapoverviewcanvas.cpp.

QList< QgsMapLayer * > QgsMapOverviewCanvas::layers ( ) const

Returns list of layers visible in the overview.

Definition at line 272 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::mapRenderingFinished ( )

protectedslot

Definition at line 199 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::mouseMoveEvent ( QMouseEvent * e )

overrideprotected

Overridden mouse move event.

Definition at line 144 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::mousePressEvent ( QMouseEvent * e )

overrideprotected

Overridden mouse press event.

Definition at line 105 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::mouseReleaseEvent ( QMouseEvent * e )

overrideprotected

Overridden mouse release event.

Definition at line 126 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::paintEvent ( QPaintEvent * pe )

overrideprotected

Overridden paint event.

Definition at line 70 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::refresh ( )

renders overview and updates panning widget

Definition at line 161 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::resizeEvent ( QResizeEvent * e )

overrideprotected

Overridden resize event.

Definition at line 51 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::setBackgroundColor ( const QColor & color )

changes background color

Definition at line 218 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::setLayers ( const QList< QgsMapLayer * > & layers )

updates layer set for overview

Definition at line 228 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::showEvent ( QShowEvent * e )

overrideprotected

Overridden show event.

Definition at line 64 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::transformContextChanged ( )

protected

Called when the canvas transform context is changed.

Definition at line 267 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::updateFullExtent ( )

Definition at line 247 of file qgsmapoverviewcanvas.cpp.

void QgsMapOverviewCanvas::updatePanningWidget ( QPoint pos )

protected

called when panning to reflect mouse movement

Definition at line 154 of file qgsmapoverviewcanvas.cpp.

Member Data Documentation

QgsMapRendererQImageJob* QgsMapOverviewCanvas::mJob = nullptr

protected

for rendering overview

Definition at line 117 of file qgsmapoverviewcanvas.h.

QgsMapCanvas* QgsMapOverviewCanvas::mMapCanvas = nullptr

protected

main map canvas - used to get/set extent

Definition at line 108 of file qgsmapoverviewcanvas.h.

QPoint QgsMapOverviewCanvas::mPanningCursorOffset

protected

position of cursor inside panning widget

Definition at line 105 of file qgsmapoverviewcanvas.h.

QgsPanningWidget* QgsMapOverviewCanvas::mPanningWidget = nullptr

protected

widget for panning map in overview

Definition at line 102 of file qgsmapoverviewcanvas.h.

QPixmap QgsMapOverviewCanvas::mPixmap

protected

pixmap where the map is stored

Definition at line 111 of file qgsmapoverviewcanvas.h.

QgsMapSettings QgsMapOverviewCanvas::mSettings

protected

map settings used for rendering of the overview map

Definition at line 114 of file qgsmapoverviewcanvas.h.

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

/build/qgis-3.4.15+24xenial/src/gui/qgsmapoverviewcanvas.h
/build/qgis-3.4.15+24xenial/src/gui/qgsmapoverviewcanvas.cpp

Public Member Functions

Protected Slots

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation