#ifndef ISCREENEVENTHANDLER_H #define ISCREENEVENTHANDLER_H #include "IInterface.h" // the platform screen should define this class CEvent; class IScreen; // the interface through which IScreen sends notification of events. // each platform will derive two types from IScreenEventHandler, one // for handling events on the primary screen and one for the // secondary screen. the header file with the IScreen subclass for // each platform should define the CEvent type, which depends on the // type of native events for that platform. class IScreenEventHandler : public IInterface { public: // manipulators // called when the screensaver is activated or deactivated virtual void onScreensaver(bool activated) = 0; // called for each event before event translation and dispatch. return // true to skip translation and dispatch. subclasses should call the // superclass's version first and return true if it returns true. virtual bool onPreDispatch(const CEvent* event) = 0; // called by mainLoop(). iff the event was handled return true and // store the result, if any, in m_result, which defaults to zero. virtual bool onEvent(CEvent* event) = 0; // accessors // called to get the jump zone size virtual SInt32 getJumpZoneSize() const = 0; }; #endif