QgsMapToolZoom class

Base classes

class QgsMapTool

Abstract base class for all map tools.

Constructors, destructors, conversion operators

QgsMapToolZoom(QgsMapCanvas* canvas, bool zoomOut)

constructor

Public functions

void canvasMoveEvent(QgsMapMouseEvent* e) override

Mouse move event for overriding. Default implementation does nothing.

void canvasPressEvent(QgsMapMouseEvent* e) override

Mouse press event for overriding. Default implementation does nothing.

void canvasReleaseEvent(QgsMapMouseEvent* e) override

Mouse release event for overriding. Default implementation does nothing.

void deactivate() override

called when map tool is being deactivated

auto flags() const -> Flags override

Returns the flags for the map tool.

void keyPressEvent(QKeyEvent* e) override

Key event for overriding. Default implementation does nothing.

void keyReleaseEvent(QKeyEvent* e) override

Key event for overriding. Default implementation does nothing.

Protected variables

bool mDragging

Flag to indicate a map canvas drag operation is taking place.

bool mNativeZoomOut

native tool

bool mZoomOut

indicates whether we're zooming in or out

QRect mZoomRect

stores actual zoom rect

Function documentation