KIGFX::ZOOM_CONTROLLER Class Reference

Handle the response of the zoom scale to external inputs. More...

#include <zoom_controller.h>

Inheritance diagram for KIGFX::ZOOM_CONTROLLER:

Public Member Functions
virtual	~ZOOM_CONTROLLER ()=default
virtual double	GetScaleForRotation (int aRotation)=0
	Get the scale factor produced by a given mousewheel rotation.

Detailed Description

Handle the response of the zoom scale to external inputs.

Definition at line 43 of file zoom_controller.h.

Constructor & Destructor Documentation

~ZOOM_CONTROLLER()

virtual KIGFX::ZOOM_CONTROLLER::~ZOOM_CONTROLLER ( )

virtualdefault

Member Function Documentation

GetScaleForRotation()

virtual double KIGFX::ZOOM_CONTROLLER::GetScaleForRotation ( int aRotation )

pure virtual

Get the scale factor produced by a given mousewheel rotation.

Parameters

aRotation

rotation of the mouse wheel (this comes from wxMouseEvent::GetWheelRotation()).

Returns

the scale factor to scroll by.

Implemented in KIGFX::ACCELERATING_ZOOM_CONTROLLER, and KIGFX::CONSTANT_ZOOM_CONTROLLER.

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

• zoom_controller.h