*
* Return the current absolute x coordinate of the pointer event, in mm from
* the top left corner of the device. To get the corresponding output screen
- * coordinate, use libinput_event_pointer_get_x_transformed().
+ * coordinate, use libinput_event_pointer_get_absolute_x_transformed().
*
* For pointer events that are not of type
* LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE, this function returns 0.
*
* Return the current absolute y coordinate of the pointer event, in mm from
* the top left corner of the device. To get the corresponding output screen
- * coordinate, use libinput_event_pointer_get_x_transformed().
+ * coordinate, use libinput_event_pointer_get_absolute_y_transformed().
*
* For pointer events that are not of type
* LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE, this function returns 0.
*/
int
libinput_udev_assign_seat(struct libinput *libinput,
- const char *seat_id);
+ const char *seat_id);
/**
* @ingroup base
*
* Get the system name of the device.
*
+ * To get the descriptive device name, use libinput_device_get_name().
+ *
* @param device A previously obtained device
* @return System name of the device
+ *
*/
const char *
libinput_device_get_sysname(struct libinput_device *device);
/**
* @ingroup device
*
+ * The descriptive device name as advertised by the kernel and/or the
+ * hardware itself. To get the sysname for this device, use
+ * libinput_device_get_sysname().
+ *
+ * The lifetime of the returned string is tied to the struct
+ * libinput_device. The string may be the empty string but is never NULL.
+ *
+ * @param device A previously obtained device
+ * @return The device name
+ */
+const char *
+libinput_device_get_name(struct libinput_device *device);
+
+/**
+ * @ingroup device
+ *
+ * Get the product ID for this device.
+ *
+ * @param device A previously obtained device
+ * @return The product ID of this device
+ */
+unsigned int
+libinput_device_get_id_product(struct libinput_device *device);
+
+/**
+ * @ingroup device
+ *
+ * Get the vendor ID for this device.
+ *
+ * @param device A previously obtained device
+ * @return The vendor ID of this device
+ */
+unsigned int
+libinput_device_get_id_vendor(struct libinput_device *device);
+
+/**
+ * @ingroup device
+ *
* A device may be mapped to a single output, or all available outputs. If a
* device is mapped to a single output only, a relative device may not move
* beyond the boundaries of this output. An absolute device has its input
double *width,
double *height);
+
+/**
+ * @defgroup config Device configuration
+ *
+ * Enable, disable, change and/or check for device-specific features. For
+ * all features, libinput assigns a default based on the hardware
+ * configuration. This default can be obtained with the respective
+ * get_default call.
+ *
+ * Some configuration option may be dependent on or mutually exclusive with
+ * with other options. The behavior in those cases is
+ * implementation-defined, the caller must ensure that the options are set
+ * in the right order.
+ */
+
+/**
+ * @ingroup config
+ *
+ * Status codes returned when applying configuration settings.
+ */
+enum libinput_config_status {
+ LIBINPUT_CONFIG_STATUS_SUCCESS = 0, /**< Config applied successfully */
+ LIBINPUT_CONFIG_STATUS_UNSUPPORTED, /**< Configuration not available on
+ this device */
+ LIBINPUT_CONFIG_STATUS_INVALID, /**< Invalid parameter range */
+};
+
+/**
+ * @ingroup config
+ *
+ * Return a string describing the error.
+ *
+ * @param status The status to translate to a string
+ * @return A human-readable string representing the error or NULL for an
+ * invalid status.
+ */
+const char *
+libinput_config_status_to_str(enum libinput_config_status status);
+
+/**
+ * @ingroup config
+ *
+ * Check if the device supports tap-to-click. See
+ * libinput_device_config_tap_set_enabled() for more information.
+ *
+ * @param device The device to configure
+ * @return The number of fingers that can generate a tap event, or 0 if the
+ * device does not support tapping.
+ *
+ * @see libinput_device_config_tap_set_enabled
+ * @see libinput_device_config_tap_get_enabled
+ * @see libinput_device_config_tap_set_enabled_get_default
+ */
+int
+libinput_device_config_tap_get_finger_count(struct libinput_device *device);
+
+/**
+ * @ingroup config
+ *
+ * Enable or disable tap-to-click on this device, with a default mapping of
+ * 1, 2, 3 finger tap mapping to left, right, middle click, respectively.
+ * Tapping is limited by the number of simultaneous touches
+ * supported by the device, see
+ * libinput_device_config_tap_get_finger_count().
+ *
+ * @param device The device to configure
+ * @param enable Non-zero to enable, zero to disable
+ *
+ * @return A config status code. Disabling tapping on a device that does not
+ * support tapping always succeeds.
+ *
+ * @see libinput_device_config_tap_get_finger_count
+ * @see libinput_device_config_tap_get_enabled
+ * @see libinput_device_config_tap_get_default_enabled
+ */
+enum libinput_config_status
+libinput_device_config_tap_set_enabled(struct libinput_device *device,
+ int enable);
+
+/**
+ * @ingroup config
+ *
+ * Check if tap-to-click is enabled on this device. If the device does not
+ * support tapping, this function always returns 0.
+ *
+ * @param device The device to configure
+ *
+ * @return 1 if enabled, 0 otherwise.
+ *
+ * @see libinput_device_config_tap_get_finger_count
+ * @see libinput_device_config_tap_set_enabled
+ * @see libinput_device_config_tap_get_default_enabled
+ */
+int
+libinput_device_config_tap_get_enabled(struct libinput_device *device);
+
+/**
+ * @ingroup config
+ *
+ * Return the default setting for whether tapping is enabled on this device.
+ *
+ * @param device The device to configure
+ * @return 1 if tapping is enabled by default, or 0 otherwise
+ *
+ * @see libinput_device_config_tap_get_finger_count
+ * @see libinput_device_config_tap_set_enabled
+ * @see libinput_device_config_tap_get_enabled
+ */
+int
+libinput_device_config_tap_get_default_enabled(struct libinput_device *device);
+
#ifdef __cplusplus
}
#endif
-
#endif /* LIBINPUT_H */
projects / platform / upstream / libinput.git / blobdiff