gramods::gmTouch::SDLEventAdaptor Class Reference

Event adaptor for SDL2, providing means to input events into TouchState. More...

#include <SDLEventAdaptor.hh>

Inheritance diagram for gramods::gmTouch::SDLEventAdaptor:

Collaboration diagram for gramods::gmTouch::SDLEventAdaptor:

Public Member Functions
void	init (int width, int height) override
	Called by the owner (TouchState) when eventsInit is called.
void	done () override
	Called by the owner (TouchState) when eventsDone is called.
void	handleEvent (const SDL_Event &event)
	Updates the internal touch states based on the provided event.

Additional Inherited Members
Protected Member Functions inherited from gramods::gmTouch::TouchState::EventAdaptor
void	addTouchState (TouchPointId id, float x, float y)
	Adds a touch point sample.
void	removeTouchState (TouchPointId id, float x, float y)
	Removes the touch point with the specified id.
void	addMouseState (float x, float y, bool mouse_down)
	Add the specified mouse state.
void	addMouseWheel (float s)
	Sets the wheel value, positive up and negative down.

Detailed Description

Event adaptor for SDL2, providing means to input events into TouchState.

Typical use:

int width, height;
SDL_GetWindowSize(sdl_window, &width, &height);
 
touchState.eventsInit(width, height);
 
SDL_Event event;
while(SDL_PollEvent(&event)) {
  touchState.getEventAdaptor<gmTouch::SDLEventAdaptor>().handleEvent(event);
}
touchState.eventsDone();

Member Function Documentation

done()

void gramods::gmTouch::SDLEventAdaptor::done ( )

overridevirtual

Called by the owner (TouchState) when eventsDone is called.

Reimplemented from gramods::gmTouch::TouchState::EventAdaptor.

handleEvent()

void gramods::gmTouch::SDLEventAdaptor::handleEvent

(

const SDL_Event &

event

)

Updates the internal touch states based on the provided event.

Call this once for each incoming event and finish with a call to eventsDone.

init()

void gramods::gmTouch::SDLEventAdaptor::init ( int  width, int  height  )

overridevirtual

Called by the owner (TouchState) when eventsInit is called.

Reimplemented from gramods::gmTouch::TouchState::EventAdaptor.

---

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

• /home/karlu/private/program/gramods/modules/gmTouch/include/gmTouch/SDLEventAdaptor.hh
• /home/karlu/private/program/gramods/modules/gmTouch/src/SDLEventAdaptor.cpp