screen_create_device

Create a device of specified type to be associated with a context.

Synopsis:

#include <screen/screen.h>

int screen_create_device_type(screen_device_t *pdev,
                              screen_context_t ctx,
                              int type)

Arguments:

pdev: A pointer to a screen_device_t where a handle for the new input device can be stored.

ctx: The handle of the context in which the input device is to be created. This context must have been created with the context type of SCREEN_INPUT_PROVIDER_CONTEXT using screen_create_context().

type: The type of input device to be created.

Library:

libscreen

Description:

Function Type: Immediate Execution

The screen_create_device_type() function creates a input device object to be associated with a context. Note that you need to be within a privileged context to call this function. The following are valid input devices which can be created:

SCREEN_EVENT_KEYBOARD
SCREEN_EVENT_POINTER
SCREEN_EVENT_JOYSTICK
SCREEN_EVENT_GAMEPAD
SCREEN_EVENT_MTOUCH_TOUCH Applications must use screen_destroy_device() when a device is no longer used.

Returns:

0 if the input device was created, or -1 if an error occurred (errno is set; refer to /usr/include/errno.h for more details).