Пример #1
0
void SDL_SYS_JoystickDetect()
{
#if SDL_USE_LIBUDEV
    struct udev_device *dev = NULL;
    const char *devnode = NULL;
    const char *action = NULL;
    const char *val = NULL;

    while (HotplugUpdateAvailable()) {
        dev = UDEV_udev_monitor_receive_device(udev_mon);
        if (dev == NULL) {
            break;
        }
        val = UDEV_udev_device_get_property_value(dev, "ID_INPUT_JOYSTICK");
        if ((!val) || (SDL_strcmp(val, "1") != 0)) {
            continue;
        }

        action = UDEV_udev_device_get_action(dev);
        devnode = UDEV_udev_device_get_devnode(dev);

        if (SDL_strcmp(action, "add") == 0) {
            const int device_index = MaybeAddDevice(devnode);
            if (device_index != -1) {
                /* !!! FIXME: Move this to an SDL_PrivateJoyDeviceAdded() function? */
                #if !SDL_EVENTS_DISABLED
                SDL_Event event;
                event.type = SDL_JOYDEVICEADDED;

                if (SDL_GetEventState(event.type) == SDL_ENABLE) {
                    event.jdevice.which = device_index;
                    if ( (SDL_EventOK == NULL) ||
                         (*SDL_EventOK) (SDL_EventOKParam, &event) ) {
                        SDL_PushEvent(&event);
                    }
                }
                #endif // !SDL_EVENTS_DISABLED
            }
        } else if (SDL_strcmp(action, "remove") == 0) {
            const int inst = MaybeRemoveDevice(devnode);
            if (inst != -1) {
                /* !!! FIXME: Move this to an SDL_PrivateJoyDeviceRemoved() function? */
                #if !SDL_EVENTS_DISABLED
                SDL_Event event;
                event.type = SDL_JOYDEVICEREMOVED;

                if (SDL_GetEventState(event.type) == SDL_ENABLE) {
                    event.jdevice.which = inst;
                    if ( (SDL_EventOK == NULL) ||
                         (*SDL_EventOK) (SDL_EventOKParam, &event) ) {
                        SDL_PushEvent(&event);
                    }
                }
                #endif // !SDL_EVENTS_DISABLED 
            }
        }
        UDEV_udev_device_unref(dev);
    }
#endif
}
Пример #2
0
/* Function to cause any queued joystick insertions to be processed
 */
void
SDL_SYS_JoystickDetect()
{
    while (CFRunLoopRunInMode(SDL_JOYSTICK_RUNLOOP_MODE,0,TRUE) == kCFRunLoopRunHandledSource) {
        /* no-op. Pending callbacks will fire in CFRunLoopRunInMode(). */
    }

    if (s_bDeviceAdded || s_bDeviceRemoved) {
        recDevice *device = gpDeviceList;
        s_bDeviceAdded = SDL_FALSE;
        s_bDeviceRemoved = SDL_FALSE;
        int device_index = 0;
        /* send notifications */
        while (device) {
            if (device->send_open_event) {
                device->send_open_event = 0;
/* !!! FIXME: why isn't there an SDL_PrivateJoyDeviceAdded()? */
#if !SDL_EVENTS_DISABLED
                SDL_Event event;
                event.type = SDL_JOYDEVICEADDED;

                if (SDL_GetEventState(event.type) == SDL_ENABLE) {
                    event.jdevice.which = device_index;
                    if ((SDL_EventOK == NULL)
                        || (*SDL_EventOK) (SDL_EventOKParam, &event)) {
                        SDL_PushEvent(&event);
                    }
                }
#endif /* !SDL_EVENTS_DISABLED */

            }

            if (device->removed) {
                const int instance_id = device->instance_id;
                device = FreeDevice(device);

/* !!! FIXME: why isn't there an SDL_PrivateJoyDeviceRemoved()? */
#if !SDL_EVENTS_DISABLED
                SDL_Event event;
                event.type = SDL_JOYDEVICEREMOVED;

                if (SDL_GetEventState(event.type) == SDL_ENABLE) {
                    event.jdevice.which = instance_id;
                    if ((SDL_EventOK == NULL)
                        || (*SDL_EventOK) (SDL_EventOKParam, &event)) {
                        SDL_PushEvent(&event);
                    }
                }
#endif /* !SDL_EVENTS_DISABLED */

            } else {
                device = device->pNext;
                device_index++;
            }
        }
    }
}
Пример #3
0
void joystick_udev_callback(SDL_UDEV_deviceevent udev_type, SDL_UDEV_deviceclass udev_class, const char *devpath)
{
    int instance;

    if (devpath == NULL || udev_class != SDL_UDEV_DEVICE_JOYSTICK) {
        return;
    }

    switch( udev_type )
    {
    case SDL_UDEV_DEVICEADDED:
        instance = MaybeAddDevice(devpath);
        if (instance != -1) {
            /* !!! FIXME: Move this to an SDL_PrivateJoyDeviceAdded() function? */
#if !SDL_EVENTS_DISABLED
            SDL_Event event;
            event.type = SDL_JOYDEVICEADDED;

            if (SDL_GetEventState(event.type) == SDL_ENABLE) {
                event.jdevice.which = instance;
                if ( (SDL_EventOK == NULL) ||
                        (*SDL_EventOK) (SDL_EventOKParam, &event) ) {
                    SDL_PushEvent(&event);
                }
            }
#endif /* !SDL_EVENTS_DISABLED */
        }
        break;

    case SDL_UDEV_DEVICEREMOVED:
        instance = MaybeRemoveDevice(devpath);
        if (instance != -1) {
            /* !!! FIXME: Move this to an SDL_PrivateJoyDeviceRemoved() function? */
#if !SDL_EVENTS_DISABLED
            SDL_Event event;
            event.type = SDL_JOYDEVICEREMOVED;

            if (SDL_GetEventState(event.type) == SDL_ENABLE) {
                event.jdevice.which = instance;
                if ( (SDL_EventOK == NULL) ||
                        (*SDL_EventOK) (SDL_EventOKParam, &event) ) {
                    SDL_PushEvent(&event);
                }
            }
#endif /* !SDL_EVENTS_DISABLED */
        }
        break;

    default:
        break;
    }

}
Пример #4
0
/* Function to cause any queued joystick insertions to be processed
 */
void
SDL_SYS_JoystickDetect()
{
    if (s_bDeviceAdded || s_bDeviceRemoved) {
        recDevice *device = gpDeviceList;
        s_bDeviceAdded = SDL_FALSE;
        s_bDeviceRemoved = SDL_FALSE;
        int device_index = 0;
        /* send notifications */
        while (device) {
            if (device->send_open_event) {
                device->send_open_event = 0;
/* !!! FIXME: why isn't there an SDL_PrivateJoyDeviceAdded()? */
#if !SDL_EVENTS_DISABLED
                SDL_Event event;
                event.type = SDL_JOYDEVICEADDED;

                if (SDL_GetEventState(event.type) == SDL_ENABLE) {
                    event.jdevice.which = device_index;
                    if ((SDL_EventOK == NULL)
                        || (*SDL_EventOK) (SDL_EventOKParam, &event)) {
                        SDL_PushEvent(&event);
                    }
                }
#endif /* !SDL_EVENTS_DISABLED */

            }

            if (device->removed) {
                const int instance_id = device->instance_id;
                device = FreeDevice(device);

/* !!! FIXME: why isn't there an SDL_PrivateJoyDeviceRemoved()? */
#if !SDL_EVENTS_DISABLED
                SDL_Event event;
                event.type = SDL_JOYDEVICEREMOVED;

                if (SDL_GetEventState(event.type) == SDL_ENABLE) {
                    event.jdevice.which = instance_id;
                    if ((SDL_EventOK == NULL)
                        || (*SDL_EventOK) (SDL_EventOKParam, &event)) {
                        SDL_PushEvent(&event);
                    }
                }
#endif /* !SDL_EVENTS_DISABLED */

            } else {
                device = device->pNext;
                device_index++;
            }
        }
    }
}
Пример #5
0
static void
JoystickDeviceWasRemovedCallback(void *ctx, IOReturn result, void *sender)
{
    recDevice *device = (recDevice *) ctx;
    device->removed = SDL_TRUE;
    device->deviceRef = NULL; // deviceRef was invalidated due to the remove
#if SDL_HAPTIC_IOKIT
    MacHaptic_MaybeRemoveDevice(device->ffservice);
#endif

/* !!! FIXME: why isn't there an SDL_PrivateJoyDeviceRemoved()? */
#if !SDL_EVENTS_DISABLED
    {
        SDL_Event event;
        event.type = SDL_JOYDEVICEREMOVED;

        if (SDL_GetEventState(event.type) == SDL_ENABLE) {
            event.jdevice.which = device->instance_id;
            if ((SDL_EventOK == NULL)
                || (*SDL_EventOK) (SDL_EventOKParam, &event)) {
                SDL_PushEvent(&event);
            }
        }
    }
#endif /* !SDL_EVENTS_DISABLED */
}
/*
 * Event filter to transform joystick events into appropriate game controller ones
 */
int
SDL_PrivateGameControllerButton(SDL_GameController * gamecontroller, SDL_GameControllerButton button, Uint8 state)
{
    int posted;
#if !SDL_EVENTS_DISABLED
    SDL_Event event;

    if ( button == SDL_CONTROLLER_BUTTON_INVALID )
        return (0);

    switch (state) {
    case SDL_PRESSED:
        event.type = SDL_CONTROLLERBUTTONDOWN;
        break;
    case SDL_RELEASED:
        event.type = SDL_CONTROLLERBUTTONUP;
        break;
    default:
        /* Invalid state -- bail */
        return (0);
    }
#endif /* !SDL_EVENTS_DISABLED */

    /* translate the event, if desired */
    posted = 0;
#if !SDL_EVENTS_DISABLED
    if (SDL_GetEventState(event.type) == SDL_ENABLE) {
        event.cbutton.which = gamecontroller->joystick->instance_id;
        event.cbutton.button = button;
        event.cbutton.state = state;
        posted = SDL_PushEvent(&event) == 1;
    }
#endif /* !SDL_EVENTS_DISABLED */
    return (posted);
}
Пример #7
0
int
SDL_SendProximity(int id, int x, int y, int type)
{
    int index = SDL_GetMouseIndexId(id);
    SDL_Mouse *mouse = SDL_GetMouse(index);
    int posted = 0;

    if (!mouse) {
        return 0;
    }

    mouse->last_x = x;
    mouse->last_y = y;
    if (SDL_GetEventState(type) == SDL_ENABLE) {
        SDL_Event event;
        event.proximity.which = (Uint8) index;
        event.proximity.x = x;
        event.proximity.y = y;
        event.proximity.cursor = mouse->current_end;
        event.proximity.type = type;
        /* FIXME: is this right? */
        event.proximity.windowID = mouse->focus ? mouse->focus->id : 0;
        posted = (SDL_PushEvent(&event) > 0);
        if (type == SDL_PROXIMITYIN) {
            mouse->proximity = SDL_TRUE;
        } else {
            mouse->proximity = SDL_FALSE;
        }
    }
    return posted;
}
Пример #8
0
int
SDL_PrivateJoystickBall(SDL_Joystick * joystick, Uint8 ball,
                        Sint16 xrel, Sint16 yrel)
{
    int posted;

    /* Make sure we're not getting garbage events */
    if (ball >= joystick->nballs) {
        return 0;
    }

    /* We ignore events if we don't have keyboard focus. */
    if (SDL_PrivateJoystickShouldIgnoreEvent()) {
        return 0;
    }

    /* Update internal mouse state */
    joystick->balls[ball].dx += xrel;
    joystick->balls[ball].dy += yrel;

    /* Post the event, if desired */
    posted = 0;
#if !SDL_EVENTS_DISABLED
    if (SDL_GetEventState(SDL_JOYBALLMOTION) == SDL_ENABLE) {
        SDL_Event event;
        event.jball.type = SDL_JOYBALLMOTION;
        event.jball.which = joystick->instance_id;
        event.jball.ball = ball;
        event.jball.xrel = xrel;
        event.jball.yrel = yrel;
        posted = SDL_PushEvent(&event) == 1;
    }
#endif /* !SDL_EVENTS_DISABLED */
    return (posted);
}
Пример #9
0
/* Function to cause any queued joystick insertions to be processed
 */
void
SDL_SYS_JoystickDetect()
{
	if ( s_bDeviceAdded )
	{
		recDevice *device = gpDeviceList;
		s_bDeviceAdded = SDL_FALSE;
		int device_index = 0;
		// send notifications
		while ( device )
		{
			if ( device->send_open_event )
			{
				device->send_open_event = 0;
#if !SDL_EVENTS_DISABLED
				SDL_Event event;
				event.type = SDL_JOYDEVICEADDED;
				
				if (SDL_GetEventState(event.type) == SDL_ENABLE) {
					event.jdevice.which = device_index;
					if ((SDL_EventOK == NULL)
						|| (*SDL_EventOK) (SDL_EventOKParam, &event)) {
						SDL_PushEvent(&event);
					}
				}
#endif /* !SDL_EVENTS_DISABLED */
			}
			device_index++;
			device = device->pNext;
		}
	}
}
Пример #10
0
int
SDL_PrivateJoystickBall(SDL_Joystick * joystick, Uint8 ball,
                        Sint16 xrel, Sint16 yrel)
{
    int posted;

    /* Update internal mouse state */
    joystick->balls[ball].dx += xrel;
    joystick->balls[ball].dy += yrel;

    /* Post the event, if desired */
    posted = 0;
#if !SDL_EVENTS_DISABLED
    if (SDL_GetEventState(SDL_JOYBALLMOTION) == SDL_ENABLE) {
        SDL_Event event;
        event.jball.type = SDL_JOYBALLMOTION;
        event.jball.which = joystick->index;
        event.jball.ball = ball;
        event.jball.xrel = xrel;
        event.jball.yrel = yrel;
        if ((SDL_EventOK == NULL)
            || (*SDL_EventOK) (SDL_EventOKParam, &event)) {
            posted = 1;
            SDL_PushEvent(&event);
        }
    }
#endif /* !SDL_EVENTS_DISABLED */
    return (posted);
}
Пример #11
0
int
SDL_PrivateJoystickAxis(SDL_Joystick * joystick, Uint8 axis, Sint16 value)
{
    int posted;

    /* Update internal joystick state */
    joystick->axes[axis] = value;

    /* Post the event, if desired */
    posted = 0;
#if !SDL_EVENTS_DISABLED
    if (SDL_GetEventState(SDL_JOYAXISMOTION) == SDL_ENABLE) {
        SDL_Event event;
        event.type = SDL_JOYAXISMOTION;
        event.jaxis.which = joystick->index;
        event.jaxis.axis = axis;
        event.jaxis.value = value;
        if ((SDL_EventOK == NULL)
            || (*SDL_EventOK) (SDL_EventOKParam, &event)) {
            posted = 1;
            SDL_PushEvent(&event);
        }
    }
#endif /* !SDL_EVENTS_DISABLED */
    return (posted);
}
Пример #12
0
int
SDL_PrivateJoystickHat(SDL_Joystick * joystick, Uint8 hat, Uint8 value)
{
    int posted;

    /* Update internal joystick state */
    joystick->hats[hat] = value;

    /* Post the event, if desired */
    posted = 0;
#if !SDL_EVENTS_DISABLED
    if (SDL_GetEventState(SDL_JOYHATMOTION) == SDL_ENABLE) {
        SDL_Event event;
        event.jhat.type = SDL_JOYHATMOTION;
        event.jhat.which = joystick->index;
        event.jhat.hat = hat;
        event.jhat.value = value;
        if ((SDL_EventOK == NULL)
            || (*SDL_EventOK) (SDL_EventOKParam, &event)) {
            posted = 1;
            SDL_PushEvent(&event);
        }
    }
#endif /* !SDL_EVENTS_DISABLED */
    return (posted);
}
Пример #13
0
int
SDL_SendDisplayEvent(SDL_VideoDisplay *display, Uint8 displayevent, int data1)
{
    int posted;

    if (!display) {
        return 0;
    }
    switch (displayevent) {
    case SDL_DISPLAYEVENT_ORIENTATION:
        if (data1 == SDL_ORIENTATION_UNKNOWN || data1 == display->orientation) {
            return 0;
        }
        display->orientation = (SDL_DisplayOrientation)data1;
        break;
    }

    /* Post the event, if desired */
    posted = 0;
    if (SDL_GetEventState(SDL_DISPLAYEVENT) == SDL_ENABLE) {
        SDL_Event event;
        event.type = SDL_DISPLAYEVENT;
        event.display.event = displayevent;
        event.display.display = SDL_GetIndexOfDisplay(display);
        event.display.data1 = data1;
        posted = (SDL_PushEvent(&event) > 0);
    }

    return (posted);
}
Пример #14
0
int
SDL_SendMouseWheel(SDL_Window * window, SDL_MouseID mouseID, int x, int y)
{
    SDL_Mouse *mouse = SDL_GetMouse();
    int posted;

    if (window) {
        SDL_SetMouseFocus(window);
    }

    if (!x && !y) {
        return 0;
    }

    /* Post the event, if desired */
    posted = 0;
    if (SDL_GetEventState(SDL_MOUSEWHEEL) == SDL_ENABLE) {
        SDL_Event event;
        event.type = SDL_MOUSEWHEEL;
        event.wheel.windowID = mouse->focus ? mouse->focus->id : 0;
        event.wheel.which = mouseID;
        event.wheel.x = x;
        event.wheel.y = y;
        posted = (SDL_PushEvent(&event) > 0);
    }
    return posted;
}
Пример #15
0
int 
Android_RemoveJoystick(int device_id)
{
    SDL_joylist_item *item = SDL_joylist;
    SDL_joylist_item *prev = NULL;
#if !SDL_EVENTS_DISABLED
    SDL_Event event;
#endif
    
    /* Don't call JoystickByDeviceId here or there'll be an infinite loop! */
    while (item != NULL) {
        if (item->device_id == device_id) {
            break;
        }
        prev = item;
        item = item->next;
    }
    
    if (item == NULL) {
        return -1;
    }

    const int retval = item->device_instance;
    if (item->joystick) {
        item->joystick->hwdata = NULL;
    }
        
    if (prev != NULL) {
        prev->next = item->next;
    } else {
        SDL_assert(SDL_joylist == item);
        SDL_joylist = item->next;
    }
    if (item == SDL_joylist_tail) {
        SDL_joylist_tail = prev;
    }

    /* Need to decrement the joystick count before we post the event */
    --numjoysticks;

#if !SDL_EVENTS_DISABLED
    event.type = SDL_JOYDEVICEREMOVED;

    if (SDL_GetEventState(event.type) == SDL_ENABLE) {
        event.jdevice.which = item->device_instance;
        if ( (SDL_EventOK == NULL) ||
             (*SDL_EventOK) (SDL_EventOKParam, &event) ) {
            SDL_PushEvent(&event);
        }
    }
#endif /* !SDL_EVENTS_DISABLED */

    SDL_Log("Removed joystick with device_id %d", device_id);
    
    SDL_free(item->name);
    SDL_free(item);
    return retval;
}
Пример #16
0
/* !!! FIXME: I would love to dump this code and use libudev instead. */
static int
MaybeRemoveDevice(const char *path)
{
    SDL_joylist_item *item;
    SDL_joylist_item *prev = NULL;
#if !SDL_EVENTS_DISABLED
    SDL_Event event;
#endif

    if (path == NULL) {
        return -1;
    }

    for (item = SDL_joylist; item != NULL; item = item->next) {
        /* found it, remove it. */
        if (SDL_strcmp(path, item->path) == 0) {
            const int retval = item->device_instance;
            if (item->hwdata) {
                item->hwdata->item = NULL;
            }
            if (prev != NULL) {
                prev->next = item->next;
            } else {
                SDL_assert(SDL_joylist == item);
                SDL_joylist = item->next;
            }
            if (item == SDL_joylist_tail) {
                SDL_joylist_tail = prev;
            }

            /* Need to decrement the joystick count before we post the event */
            --numjoysticks;

            /* !!! FIXME: Move this to an SDL_PrivateJoyDeviceRemoved() function? */
#if !SDL_EVENTS_DISABLED
            event.type = SDL_JOYDEVICEREMOVED;

            if (SDL_GetEventState(event.type) == SDL_ENABLE) {
                event.jdevice.which = item->device_instance;
                if ( (SDL_EventOK == NULL) ||
                     (*SDL_EventOK) (SDL_EventOKParam, &event) ) {
                    SDL_PushEvent(&event);
                }
            }
#endif /* !SDL_EVENTS_DISABLED */

            SDL_free(item->path);
            SDL_free(item->name);
            SDL_free(item);
            return retval;
        }
        prev = item;
    }

    return -1;
}
Пример #17
0
int
SDL_PrivateJoystickAxis(SDL_Joystick * joystick, Uint8 axis, Sint16 value)
{
    int posted;

    /* Make sure we're not getting garbage or duplicate events */
    if (axis >= joystick->naxes) {
        return 0;
    }
    if (!joystick->axes[axis].has_initial_value) {
        joystick->axes[axis].initial_value = value;
        joystick->axes[axis].value = value;
        joystick->axes[axis].zero = value;
        joystick->axes[axis].has_initial_value = SDL_TRUE;
    }
    if (value == joystick->axes[axis].value) {
        return 0;
    }
    if (!joystick->axes[axis].sent_initial_value) {
        /* Make sure we don't send motion until there's real activity on this axis */
        const int MAX_ALLOWED_JITTER = SDL_JOYSTICK_AXIS_MAX / 80;  /* ShanWan PS3 controller needed 96 */
        if (SDL_abs(value - joystick->axes[axis].value) <= MAX_ALLOWED_JITTER) {
            return 0;
        }
        joystick->axes[axis].sent_initial_value = SDL_TRUE;
        joystick->axes[axis].value = value; /* Just so we pass the check above */
        SDL_PrivateJoystickAxis(joystick, axis, joystick->axes[axis].initial_value);
    }

    /* We ignore events if we don't have keyboard focus, except for centering
     * events.
     */
    if (SDL_PrivateJoystickShouldIgnoreEvent()) {
        if ((value > joystick->axes[axis].zero && value >= joystick->axes[axis].value) ||
            (value < joystick->axes[axis].zero && value <= joystick->axes[axis].value)) {
            return 0;
        }
    }

    /* Update internal joystick state */
    joystick->axes[axis].value = value;

    /* Post the event, if desired */
    posted = 0;
#if !SDL_EVENTS_DISABLED
    if (SDL_GetEventState(SDL_JOYAXISMOTION) == SDL_ENABLE) {
        SDL_Event event;
        event.type = SDL_JOYAXISMOTION;
        event.jaxis.which = joystick->instance_id;
        event.jaxis.axis = axis;
        event.jaxis.value = value;
        posted = SDL_PushEvent(&event) == 1;
    }
#endif /* !SDL_EVENTS_DISABLED */
    return (posted);
}
Пример #18
0
int
SDL_SendMouseButton(SDL_Window * window, SDL_MouseID mouseID, Uint8 state, Uint8 button)
{
    SDL_Mouse *mouse = SDL_GetMouse();
    int posted;
    Uint32 type;
    Uint32 buttonstate = mouse->buttonstate;

    /* Figure out which event to perform */
    switch (state) {
    case SDL_PRESSED:
        type = SDL_MOUSEBUTTONDOWN;
        buttonstate |= SDL_BUTTON(button);
        break;
    case SDL_RELEASED:
        type = SDL_MOUSEBUTTONUP;
        buttonstate &= ~SDL_BUTTON(button);
        break;
    default:
        /* Invalid state -- bail */
        return 0;
    }

    /* We do this after calculating buttonstate so button presses gain focus */
    if (window && state == SDL_PRESSED) {
        SDL_UpdateMouseFocus(window, mouse->x, mouse->y, buttonstate);
    }

    if (buttonstate == mouse->buttonstate) {
        /* Ignore this event, no state change */
        return 0;
    }
    mouse->buttonstate = buttonstate;

    /* Post the event, if desired */
    posted = 0;
    if (SDL_GetEventState(type) == SDL_ENABLE) {
        SDL_Event event;
        event.type = type;
        event.button.windowID = mouse->focus ? mouse->focus->id : 0;
        event.button.which = mouseID;
        event.button.state = state;
        event.button.button = button;
        event.button.x = mouse->x;
        event.button.y = mouse->y;
        posted = (SDL_PushEvent(&event) > 0);
    }

    /* We do this after dispatching event so button releases can lose focus */
    if (window && state == SDL_RELEASED) {
        SDL_UpdateMouseFocus(window, mouse->x, mouse->y, buttonstate);
    }

    return posted;
}
Пример #19
0
int
SDL_SendMouseWheel(SDL_Window * window, SDL_MouseID mouseID, float x, float y, SDL_MouseWheelDirection direction)
{
    SDL_Mouse *mouse = SDL_GetMouse();
    int posted;
    int integral_x, integral_y;

    if (window) {
        SDL_SetMouseFocus(window);
    }

    if (x == 0.0f && y == 0.0f) {
        return 0;
    }

    mouse->accumulated_wheel_x += x;
    if (mouse->accumulated_wheel_x > 0) {
        integral_x = (int)SDL_floor(mouse->accumulated_wheel_x);
    } else if (mouse->accumulated_wheel_x < 0) {
        integral_x = (int)SDL_ceil(mouse->accumulated_wheel_x);
    } else {
        integral_x = 0;
    }
    mouse->accumulated_wheel_x -= integral_x;

    mouse->accumulated_wheel_y += y;
    if (mouse->accumulated_wheel_y > 0) {
        integral_y = (int)SDL_floor(mouse->accumulated_wheel_y);
    } else if (mouse->accumulated_wheel_y < 0) {
        integral_y = (int)SDL_ceil(mouse->accumulated_wheel_y);
    } else {
        integral_y = 0;
    }
    mouse->accumulated_wheel_y -= integral_y;

    /* Post the event, if desired */
    posted = 0;
    if (SDL_GetEventState(SDL_MOUSEWHEEL) == SDL_ENABLE) {
        SDL_Event event;
        event.type = SDL_MOUSEWHEEL;
        event.wheel.windowID = mouse->focus ? mouse->focus->id : 0;
        event.wheel.which = mouseID;
#if 0 /* Uncomment this when it goes in for SDL 2.1 */
        event.wheel.preciseX = x;
        event.wheel.preciseY = y;
#endif
        event.wheel.x = integral_x;
        event.wheel.y = integral_y;
        event.wheel.direction = (Uint32)direction;
        posted = (SDL_PushEvent(&event) > 0);
    }
    return posted;
}
Пример #20
0
int
SDL_SendTouchMotion(SDL_TouchID id, SDL_FingerID fingerid,
                    float x, float y, float pressure)
{
    SDL_Touch *touch;
    SDL_Finger *finger;
    int posted;
    float xrel, yrel, prel;

    touch = SDL_GetTouch(id);
    if (!touch) {
        return -1;
    }

    finger = SDL_GetFinger(touch,fingerid);
    if (!finger) {
        return SDL_SendTouch(id, fingerid, SDL_TRUE, x, y, pressure);
    }

    xrel = x - finger->x;
    yrel = y - finger->y;
    prel = pressure - finger->pressure;

    /* Drop events that don't change state */
    if (!xrel && !yrel && !prel) {
#if 0
        printf("Touch event didn't change state - dropped!\n");
#endif
        return 0;
    }

    /* Update internal touch coordinates */
    finger->x = x;
    finger->y = y;
    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;
        posted = (SDL_PushEvent(&event) > 0);
    }
    return posted;
}
Пример #21
0
void SDL_PrivateJoystickAdded(int device_index)
{
#if !SDL_EVENTS_DISABLED
    SDL_Event event;

    event.type = SDL_JOYDEVICEADDED;

    if (SDL_GetEventState(event.type) == SDL_ENABLE) {
        event.jdevice.which = device_index;
        SDL_PushEvent(&event);
    }
#endif /* !SDL_EVENTS_DISABLED */
}
Пример #22
0
/* This function returns 1 if it's okay to close the application window */
int
SDL_SendQuit(void)
{
    int posted;

    posted = 0;
    if (SDL_GetEventState(SDL_QUIT) == SDL_ENABLE) {
        SDL_Event event;
        event.type = SDL_QUIT;
        posted = (SDL_PushEvent(&event) > 0);
    }
    return (posted);
}
Пример #23
0
int
SDL_PrivateJoystickButton(SDL_Joystick * joystick, Uint8 button, Uint8 state)
{
    int posted;
#if !SDL_EVENTS_DISABLED
    SDL_Event event;

    switch (state) {
    case SDL_PRESSED:
        event.type = SDL_JOYBUTTONDOWN;
        break;
    case SDL_RELEASED:
        event.type = SDL_JOYBUTTONUP;
        break;
    default:
        /* Invalid state -- bail */
        return (0);
    }
#endif /* !SDL_EVENTS_DISABLED */

    /* Make sure we're not getting garbage or duplicate events */
    if (button >= joystick->nbuttons) {
        return 0;
    }
    if (state == joystick->buttons[button]) {
        return 0;
    }

    /* We ignore events if we don't have keyboard focus, except for button
     * release. */
    if (SDL_PrivateJoystickShouldIgnoreEvent()) {
        if (state == SDL_PRESSED) {
            return 0;
        }
    }

    /* Update internal joystick state */
    joystick->buttons[button] = state;

    /* Post the event, if desired */
    posted = 0;
#if !SDL_EVENTS_DISABLED
    if (SDL_GetEventState(event.type) == SDL_ENABLE) {
        event.jbutton.which = joystick->instance_id;
        event.jbutton.button = button;
        event.jbutton.state = state;
        posted = SDL_PushEvent(&event) == 1;
    }
#endif /* !SDL_EVENTS_DISABLED */
    return (posted);
}
Пример #24
0
int
SDL_SendMouseButton(int id, Uint8 state, Uint8 button)
{
    int index = SDL_GetMouseIndexId(id);
    SDL_Mouse *mouse = SDL_GetMouse(index);
    int posted;
    Uint32 type;

    if (!mouse) {
        return 0;
    }

    /* Figure out which event to perform */
    switch (state) {
    case SDL_PRESSED:
        if (mouse->buttonstate & SDL_BUTTON(button)) {
            /* Ignore this event, no state change */
            return 0;
        }
        type = SDL_MOUSEBUTTONDOWN;
        mouse->buttonstate |= SDL_BUTTON(button);
        break;
    case SDL_RELEASED:
        if (!(mouse->buttonstate & SDL_BUTTON(button))) {
            /* Ignore this event, no state change */
            return 0;
        }
        type = SDL_MOUSEBUTTONUP;
        mouse->buttonstate &= ~SDL_BUTTON(button);
        break;
    default:
        /* Invalid state -- bail */
        return 0;
    }

    /* Post the event, if desired */
    posted = 0;
    if (SDL_GetEventState(type) == SDL_ENABLE) {
        SDL_Event event;
        event.type = type;
        event.button.which = (Uint8) index;
        event.button.state = state;
        event.button.button = button;
        event.button.x = mouse->x;
        event.button.y = mouse->y;
        event.button.windowID = mouse->focus ? mouse->focus->id : 0;
        posted = (SDL_PushEvent(&event) > 0);
    }
    return posted;
}
Пример #25
0
int
SDL_SendTouchButton(SDL_TouchID id, Uint8 state, Uint8 button)
{
    SDL_Touch *touch;
    int posted;
    Uint32 type;

    
    touch = SDL_GetTouch(id);
    if (!touch) {
      return SDL_TouchNotFoundError(id);
    }

    /* Figure out which event to perform */
    switch (state) {
    case SDL_PRESSED:
        if (touch->buttonstate & SDL_BUTTON(button)) {
            /* Ignore this event, no state change */
            return 0;
        }
        type = SDL_TOUCHBUTTONDOWN;
        touch->buttonstate |= SDL_BUTTON(button);
        break;
    case SDL_RELEASED:
        if (!(touch->buttonstate & SDL_BUTTON(button))) {
            /* Ignore this event, no state change */
            return 0;
        }
        type = SDL_TOUCHBUTTONUP;
        touch->buttonstate &= ~SDL_BUTTON(button);
        break;
    default:
        /* Invalid state -- bail */
        return 0;
    }

    /* Post the event, if desired */
    posted = 0;
    if (SDL_GetEventState(type) == SDL_ENABLE) {
        SDL_Event event;
        event.type = type;
        event.tbutton.touchId = touch->id;
        event.tbutton.state = state;
        event.tbutton.button = button;
        event.tbutton.windowID = touch->focus ? touch->focus->id : 0;
        posted = (SDL_PushEvent(&event) > 0);
    }
    return posted;
}
Пример #26
0
int
SDL_SendDropFile(const char *file)
{
    int posted;

    /* Post the event, if desired */
    posted = 0;
    if (SDL_GetEventState(SDL_DROPFILE) == SDL_ENABLE) {
        SDL_Event event;
        event.type = SDL_DROPFILE;
        event.drop.file = SDL_strdup(file);
        posted = (SDL_PushEvent(&event) > 0);
    }
    return (posted);
}
Пример #27
0
void SDL_PrivateJoystickRemoved(SDL_JoystickID device_instance)
{
#if !SDL_EVENTS_DISABLED
    SDL_Event event;

    event.type = SDL_JOYDEVICEREMOVED;

    if (SDL_GetEventState(event.type) == SDL_ENABLE) {
        event.jdevice.which = device_instance;
        SDL_PushEvent(&event);
    }

    UpdateEventsForDeviceRemoval();
#endif /* !SDL_EVENTS_DISABLED */
}
/*
 * Event filter to transform joystick events into appropriate game controller ones
 */
int
SDL_PrivateGameControllerAxis(SDL_GameController * gamecontroller, SDL_GameControllerAxis axis, Sint16 value)
{
    int posted;

    /* translate the event, if desired */
    posted = 0;
#if !SDL_EVENTS_DISABLED
    if (SDL_GetEventState(SDL_CONTROLLERAXISMOTION) == SDL_ENABLE) {
        SDL_Event event;
        event.type = SDL_CONTROLLERAXISMOTION;
        event.caxis.which = gamecontroller->joystick->instance_id;
        event.caxis.axis = axis;
        event.caxis.value = value;
        posted = SDL_PushEvent(&event) == 1;
    }
#endif /* !SDL_EVENTS_DISABLED */
    return (posted);
}
Пример #29
0
int
SDL_PrivateJoystickAxis(SDL_Joystick * joystick, Uint8 axis, Sint16 value)
{
    int posted;

    /* Make sure we're not getting garbage or duplicate events */
    if (axis >= joystick->naxes) {
        return 0;
    }
    if (value == joystick->axes[axis]) {
        return 0;
    }

    /* We ignore events if we don't have keyboard focus, except for centering
     * events.
     */
    if (SDL_PrivateJoystickShouldIgnoreEvent()) {
        if ((value > joystick->axes_zero[axis] && value >= joystick->axes[axis]) ||
                (value < joystick->axes_zero[axis] && value <= joystick->axes[axis])) {
            return 0;
        }
    }

    /* Update internal joystick state */
    joystick->axes[axis] = value;

    /* Post the event, if desired */
    posted = 0;
#if !SDL_EVENTS_DISABLED
    if (SDL_GetEventState(SDL_JOYAXISMOTION) == SDL_ENABLE) {
        SDL_Event event;
        event.type = SDL_JOYAXISMOTION;
        event.jaxis.which = joystick->instance_id;
        event.jaxis.axis = axis;
        event.jaxis.value = value;
        posted = SDL_PushEvent(&event) == 1;
    }
#endif /* !SDL_EVENTS_DISABLED */
    return (posted);
}
Пример #30
0
int
SDL_PrivateJoystickHat(SDL_Joystick * joystick, Uint8 hat, Uint8 value)
{
    int posted;

    /* Make sure we're not getting garbage or duplicate events */
    if (hat >= joystick->nhats) {
        return 0;
    }
    if (value == joystick->hats[hat]) {
        return 0;
    }

    /* We ignore events if we don't have keyboard focus, except for centering
     * events.
     */
    if (SDL_PrivateJoystickShouldIgnoreEvent()) {
        if (value != SDL_HAT_CENTERED) {
            return 0;
        }
    }

    /* Update internal joystick state */
    joystick->hats[hat] = value;

    /* Post the event, if desired */
    posted = 0;
#if !SDL_EVENTS_DISABLED
    if (SDL_GetEventState(SDL_JOYHATMOTION) == SDL_ENABLE) {
        SDL_Event event;
        event.jhat.type = SDL_JOYHATMOTION;
        event.jhat.which = joystick->instance_id;
        event.jhat.hat = hat;
        event.jhat.value = value;
        posted = SDL_PushEvent(&event) == 1;
    }
#endif /* !SDL_EVENTS_DISABLED */
    return (posted);
}