Murl::ITouchScreen Interface Reference

The touch screen device interface. More...

#include "murl_i_touch_screen.h"

Inherited by Murl::Input::TouchScreenDevice.

Public Types
enum	EventAction {   EVENT_ACTION_NONE , EVENT_ACTION_TOUCH , EVENT_ACTION_RELEASE , EVENT_ACTION_MOVE ,   EVENT_ACTION_CANCEL , NUM_EVENT_ACTIONS }
	Definition of event actions. More...

Public Member Functions
virtual void	PostEvent (EventAction action, Real posX, Real posY)=0
	Post the current touch state. More...

Detailed Description

The touch screen device interface.

Used by the platform to post events to the device.

Member Enumeration Documentation

EventAction

enum Murl::ITouchScreen::EventAction

Definition of event actions.

Enumerator
EVENT_ACTION_NONE	No action.
EVENT_ACTION_TOUCH	The touch is pressed, positions are evaluated.
EVENT_ACTION_RELEASE	The touch is released, positions are evaluated.
EVENT_ACTION_MOVE	The touch positions are evaluated only.
EVENT_ACTION_CANCEL	Touch action is cancelled, e.g. incoming phone call or too much touches.

Member Function Documentation

PostEvent()

virtual void Murl::ITouchScreen::PostEvent ( EventAction  action, Real  posX, Real  posY  )

pure virtual

Post the current touch state.

Touch positions are clipped by the touch device and should be reported as is, e.g. if the touch is out of the display surface the platform should report the calculated values < -1.0 or > 1.0.

Parameters

action	The event action, see enum EventAction.
posX	The touch x-position on the display surface in range [-1.0 left .. 1.0 right].
posY	The touch y-position on the display surface in range [-1.0 bottom .. 1.0 top].

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

• murl_i_touch_screen.h