void Android_OnTouch(int touch_device_id_in, int pointer_finger_id_in, int action, float x, float y, float p)
{
SDL_TouchID touchDeviceId = 0;
SDL_FingerID fingerId = 0;
if (!Android_Window) {
return;
}
touchDeviceId = (SDL_TouchID)touch_device_id_in;
if (!SDL_GetTouch(touchDeviceId)) {
SDL_Touch touch;
memset( &touch, 0, sizeof(touch) );
touch.id = touchDeviceId;
touch.x_min = 0.0f;
touch.x_max = (float)Android_ScreenWidth;
touch.native_xres = touch.x_max - touch.x_min;
touch.y_min = 0.0f;
touch.y_max = (float)Android_ScreenHeight;
touch.native_yres = touch.y_max - touch.y_min;
touch.pressure_min = 0.0f;
touch.pressure_max = 1.0f;
touch.native_pressureres = touch.pressure_max - touch.pressure_min;
if (SDL_AddTouch(&touch, "") < 0) {
SDL_Log("error: can't add touch %s, %d", __FILE__, __LINE__);
}
}
fingerId = (SDL_FingerID)pointer_finger_id_in;
switch (action) {
case ACTION_DOWN:
case ACTION_POINTER_1_DOWN:
SDL_SendMouseMotion(Android_Window, 0, x, y);
SDL_SendMouseButton(Android_Window, SDL_PRESSED, SDL_BUTTON_LEFT);
SDL_SendFingerDown(touchDeviceId, fingerId, SDL_TRUE, x, y, p);
break;
case ACTION_MOVE:
SDL_SendMouseMotion(Android_Window, 0, x, y);
SDL_SendTouchMotion(touchDeviceId, fingerId, SDL_FALSE, x, y, p);
break;
case ACTION_UP:
case ACTION_POINTER_1_UP:
SDL_SendMouseButton(Android_Window, SDL_RELEASED, SDL_BUTTON_LEFT);
SDL_SendFingerDown(touchDeviceId, fingerId, SDL_FALSE, x, y, p);
break;
default:
break;
}
}
extern void SDL_ANDROID_MainThreadPushMultitouchButton(int id, int pressed, int x, int y, int force)
{
#if SDL_VERSION_ATLEAST(1,3,0)
SDL_SendFingerDown(0, id, pressed ? 1 : 0, (float)x / (float)window->w, (float)y / (float)window->h, force);
#endif
}
void
X11_PumpEvents(_THIS)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
/* Update activity every 30 seconds to prevent screensaver */
if (_this->suspend_screensaver) {
Uint32 now = SDL_GetTicks();
if (!data->screensaver_activity ||
(int) (now - data->screensaver_activity) >= 30000) {
XResetScreenSaver(data->display);
data->screensaver_activity = now;
}
}
/* Keep processing pending events */
while (X11_Pending(data->display)) {
X11_DispatchEvent(_this);
}
#ifdef SDL_INPUT_LINUXEV
/* Process Touch events - TODO When X gets touch support, use that instead*/
int i = 0,rd;
char name[256];
struct input_event ev[64];
int size = sizeof (struct input_event);
for(i = 0;i < SDL_GetNumTouch();++i) {
SDL_Touch* touch = SDL_GetTouchIndex(i);
if(!touch) printf("Touch %i/%i DNE\n",i,SDL_GetNumTouch());
EventTouchData* data;
data = (EventTouchData*)(touch->driverdata);
if(data == NULL) {
printf("No driver data\n");
continue;
}
if(data->eventStream <= 0)
printf("Error: Couldn't open stream\n");
rd = read(data->eventStream, ev, size * 64);
//printf("Got %i/%i bytes\n",rd,size);
if(rd >= size) {
for (i = 0; i < rd / sizeof(struct input_event); i++) {
switch (ev[i].type) {
case EV_ABS:
//printf("Got position x: %i!\n",data->x);
switch (ev[i].code) {
case ABS_X:
data->x = ev[i].value;
break;
case ABS_Y:
data->y = ev[i].value;
break;
case ABS_PRESSURE:
data->pressure = ev[i].value;
if(data->pressure < 0) data->pressure = 0;
break;
case ABS_MISC:
if(ev[i].value == 0)
data->up = SDL_TRUE;
break;
}
break;
case EV_MSC:
if(ev[i].code == MSC_SERIAL)
data->finger = ev[i].value;
break;
case EV_SYN:
//printf("Id: %i\n",touch->id);
if(data->up) {
SDL_SendFingerDown(touch->id,data->finger,
SDL_FALSE,data->x,data->y,
data->pressure);
}
else if(data->x >= 0 || data->y >= 0)
SDL_SendTouchMotion(touch->id,data->finger,
SDL_FALSE,data->x,data->y,
data->pressure);
//printf("Synched: %i tx: %i, ty: %i\n",
// data->finger,data->x,data->y);
data->x = -1;
data->y = -1;
data->pressure = -1;
data->finger = 0;
data->up = SDL_FALSE;
break;
}
}
}
}
#endif
}
void
X11_PumpEvents(_THIS)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
/* Update activity every 30 seconds to prevent screensaver */
if (_this->suspend_screensaver) {
Uint32 now = SDL_GetTicks();
if (!data->screensaver_activity ||
(int) (now - data->screensaver_activity) >= 30000) {
XResetScreenSaver(data->display);
#if SDL_USE_LIBDBUS
SDL_dbus_screensaver_tickle(_this);
#endif
data->screensaver_activity = now;
}
}
/* Keep processing pending events */
while (X11_Pending(data->display)) {
X11_DispatchEvent(_this);
}
/* FIXME: Only need to do this when there are pending focus changes */
X11_HandleFocusChanges(_this);
/*Dont process evtouch events if XInput2 multitouch is supported*/
if(X11_Xinput2IsMultitouchSupported()) {
return;
}
#ifdef SDL_INPUT_LINUXEV
/* Process Touch events*/
int i = 0,rd;
struct input_event ev[64];
int size = sizeof (struct input_event);
/* !!! FIXME: clean the tabstops out of here. */
for(i = 0;i < SDL_GetNumTouch();++i) {
SDL_Touch* touch = SDL_GetTouchIndex(i);
if(!touch) printf("Touch %i/%i DNE\n",i,SDL_GetNumTouch());
EventTouchData* data;
data = (EventTouchData*)(touch->driverdata);
if(data == NULL) {
printf("No driver data\n");
continue;
}
if(data->eventStream <= 0)
printf("Error: Couldn't open stream\n");
rd = read(data->eventStream, ev, size * 64);
if(rd >= size) {
for (i = 0; i < rd / sizeof(struct input_event); i++) {
switch (ev[i].type) {
case EV_ABS:
switch (ev[i].code) {
case ABS_X:
data->x = ev[i].value;
break;
case ABS_Y:
data->y = ev[i].value;
break;
case ABS_PRESSURE:
data->pressure = ev[i].value;
if(data->pressure < 0) data->pressure = 0;
break;
case ABS_MISC:
if(ev[i].value == 0)
data->up = SDL_TRUE;
break;
}
break;
case EV_MSC:
if(ev[i].code == MSC_SERIAL)
data->finger = ev[i].value;
break;
case EV_KEY:
if(ev[i].code == BTN_TOUCH)
if(ev[i].value == 0)
data->up = SDL_TRUE;
break;
case EV_SYN:
if(!data->down) {
data->down = SDL_TRUE;
SDL_SendFingerDown(touch->id,data->finger,
data->down, data->x, data->y,
data->pressure);
}
else if(!data->up)
SDL_SendTouchMotion(touch->id,data->finger,
SDL_FALSE, data->x,data->y,
data->pressure);
else
{
data->down = SDL_FALSE;
SDL_SendFingerDown(touch->id,data->finger,
data->down, data->x,data->y,
data->pressure);
data->x = -1;
data->y = -1;
data->pressure = -1;
data->finger = 0;
data->up = SDL_FALSE;
}
break;
}
}
}
}
#endif
}
int
SDL_SendTouchMotion(SDL_TouchID id, SDL_FingerID fingerid, int relative,
float xin, float yin, float pressurein)
{
SDL_Touch *touch;
SDL_Finger *finger;
int posted;
Sint16 xrel, yrel;
Uint16 x;
Uint16 y;
Uint16 pressure;
touch = SDL_GetTouch(id);
if (!touch) {
return SDL_TouchNotFoundError(id);
}
//scale to Integer coordinates
x = (Uint16)((xin+touch->x_min)*(touch->xres)/(touch->native_xres));
y = (Uint16)((yin+touch->y_min)*(touch->yres)/(touch->native_yres));
pressure = (Uint16)((pressurein+touch->pressure_min)*(touch->pressureres)/(touch->native_pressureres));
if(touch->flush_motion) {
return 0;
}
finger = SDL_GetFinger(touch,fingerid);
if(finger == NULL || !finger->down) {
return SDL_SendFingerDown(id,fingerid,SDL_TRUE,xin,yin,pressurein);
} else {
/* the relative motion is calculated regarding the last position */
if (relative) {
xrel = x;
yrel = y;
x = (finger->last_x + x);
y = (finger->last_y + y);
} else {
if(xin < touch->x_min) x = finger->last_x; /*If movement is only in one axis,*/
if(yin < touch->y_min) y = finger->last_y; /*The other is marked as -1*/
if(pressurein < touch->pressure_min) pressure = finger->last_pressure;
xrel = x - finger->last_x;
yrel = y - finger->last_y;
//printf("xrel,yrel (%i,%i)\n",(int)xrel,(int)yrel);
}
/* Drop events that don't change state */
if (!xrel && !yrel) {
#if 0
printf("Touch event didn't change state - dropped!\n");
#endif
return 0;
}
/* Update internal touch coordinates */
finger->x = x;
finger->y = y;
/*Should scale to window? Normalize? Maintain Aspect?*/
//SDL_GetWindowSize(touch->focus, &x_max, &y_max);
/* make sure that the pointers find themselves inside the windows */
/* only check if touch->xmax is set ! */
/*
if (x_max && touch->x > x_max) {
touch->x = x_max;
} else if (touch->x < 0) {
touch->x = 0;
}
if (y_max && touch->y > y_max) {
touch->y = y_max;
} else if (touch->y < 0) {
touch->y = 0;
}
*/
finger->xdelta = xrel;
finger->ydelta = yrel;
finger->pressure = pressure;
/* Post the event, if desired */
posted = 0;
if (SDL_GetEventState(SDL_FINGERMOTION) == SDL_ENABLE) {
SDL_Event event;
event.tfinger.type = SDL_FINGERMOTION;
event.tfinger.touchId = id;
event.tfinger.fingerId = fingerid;
event.tfinger.x = x;
event.tfinger.y = y;
event.tfinger.dx = xrel;
event.tfinger.dy = yrel;
event.tfinger.pressure = pressure;
event.tfinger.state = touch->buttonstate;
event.tfinger.windowID = touch->focus ? touch->focus->id : 0;
posted = (SDL_PushEvent(&event) > 0);
}
finger->last_x = finger->x;
finger->last_y = finger->y;
finger->last_pressure = finger->pressure;
return posted;
}
}
/* We need our own event queue, because Free Heroes 2 game uses
* SDL_SetEventFilter(), and it calls SDL_Flip() from inside
* it's custom filter function, and SDL_Flip() does not work
* when it's not called from the main() thread.
* So we, like, push the events into our own queue,
* read each event from that queue inside SDL_ANDROID_PumpEvents(),
* unlock the mutex, and push the event to SDL queue,
* which is then immediately read by SDL from the same thread,
* and then SDL invokes event filter function from FHeroes2.
* FHeroes2 call SDL_Flip() from inside that event filter function,
* and it works, because it is called from the main() thread.
*/
extern void SDL_ANDROID_PumpEvents()
{
static int oldMouseButtons = 0;
SDL_Event ev;
SDL_ANDROID_processAndroidTrackballDampening();
SDL_ANDROID_processMoveMouseWithKeyboard();
#if SDL_VERSION_ATLEAST(1,3,0)
SDL_Window * window = SDL_GetFocusWindow();
if( !window )
return;
#endif
if( !BufferedEventsMutex )
BufferedEventsMutex = SDL_CreateMutex();
SDL_mutexP(BufferedEventsMutex);
while( BufferedEventsStart != BufferedEventsEnd )
{
ev = BufferedEvents[BufferedEventsStart];
BufferedEvents[BufferedEventsStart].type = 0;
BufferedEventsStart++;
if( BufferedEventsStart >= MAX_BUFFERED_EVENTS )
BufferedEventsStart = 0;
SDL_mutexV(BufferedEventsMutex);
switch( ev.type )
{
case SDL_MOUSEMOTION:
SDL_SendMouseMotion( ANDROID_CurrentWindow, 0, ev.motion.x, ev.motion.y );
break;
case SDL_MOUSEBUTTONDOWN:
if( ((oldMouseButtons & SDL_BUTTON(ev.button.button)) != 0) != ev.button.state )
{
oldMouseButtons = (oldMouseButtons & ~SDL_BUTTON(ev.button.button)) | (ev.button.state ? SDL_BUTTON(ev.button.button) : 0);
SDL_SendMouseButton( ANDROID_CurrentWindow, ev.button.state, ev.button.button );
}
break;
case SDL_KEYDOWN:
//__android_log_print(ANDROID_LOG_INFO, "libSDL", "SDL_KEYDOWN: %i %i", ev->key.keysym.sym, ev->key.state);
SDL_SendKeyboardKey( ev.key.state, &ev.key.keysym );
break;
case SDL_JOYAXISMOTION:
if( ev.jaxis.which < MAX_MULTITOUCH_POINTERS+1 && SDL_ANDROID_CurrentJoysticks[ev.jaxis.which] )
SDL_PrivateJoystickAxis( SDL_ANDROID_CurrentJoysticks[ev.jaxis.which], ev.jaxis.axis, ev.jaxis.value );
break;
case SDL_JOYBUTTONDOWN:
if( ev.jbutton.which < MAX_MULTITOUCH_POINTERS+1 && SDL_ANDROID_CurrentJoysticks[ev.jbutton.which] )
SDL_PrivateJoystickButton( SDL_ANDROID_CurrentJoysticks[ev.jbutton.which], ev.jbutton.button, ev.jbutton.state );
break;
case SDL_JOYBALLMOTION:
if( ev.jball.which < MAX_MULTITOUCH_POINTERS+1 && SDL_ANDROID_CurrentJoysticks[ev.jbutton.which] )
SDL_PrivateJoystickBall( SDL_ANDROID_CurrentJoysticks[ev.jball.which], ev.jball.ball, ev.jball.xrel, ev.jball.yrel );
break;
#if SDL_VERSION_ATLEAST(1,3,0)
//if( ANDROID_CurrentWindow )
// SDL_SendWindowEvent(ANDROID_CurrentWindow, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
#else
case SDL_ACTIVEEVENT:
SDL_PrivateAppActive(ev.active.gain, ev.active.state);
break;
#endif
#if SDL_VERSION_ATLEAST(1,3,0)
case SDL_FINGERMOTION:
SDL_SendTouchMotion(0, ev.tfinger.fingerId, 0, (float)ev.tfinger.x / (float)window->w, (float)ev.tfinger.y / (float)window->h, ev.tfinger.pressure);
break;
case SDL_FINGERDOWN:
SDL_SendFingerDown(0, ev.tfinger.fingerId, ev.tfinger.state ? 1 : 0, (float)ev.tfinger.x / (float)window->w, (float)ev.tfinger.y / (float)window->h, ev.tfinger.pressure);
break;
case SDL_TEXTINPUT:
SDL_SendKeyboardText(ev.text.text);
break;
case SDL_MOUSEWHEEL:
SDL_SendMouseWheel( ANDROID_CurrentWindow, ev.wheel.x, ev.wheel.y );
break;
#endif
}
SDL_mutexP(BufferedEventsMutex);
}
SDL_mutexV(BufferedEventsMutex);
};
