Executing gestures with active stylus

1. A stylus, comprising:

a body, at least a portion of the body having a textured region;

one or more electrodes operable to wirelessly transmit signals to a touch sensor of a device; and

one or more sensors operable to detect a plurality of stylus movements,

wherein the stylus or the device determines a plurality of functionalities of the stylus or the device based on a vertical orientation or a horizontal orientation of the stylus or the device and a type of object that slides across the textured region, wherein one or more functionalities of the plurality of functionalities of the stylus or the device comprises one or more of:

transferring data between the stylus and the device;

accessing menus or commands specific to data stored by the stylus or the device; and

accessing menus or commands specific to content displayed by a display of the device.

2. The stylus of claim 1 , wherein the sensors comprise an accelerometer, a magnetometer, a global positioning system (GPS), or a gyroscope.

3. The stylus of claim 1 , wherein one or more of the plurality of functionalities of the stylus or the device are further determined based at least in part on one or more of:

a stylus location during a stylus movement;

a shaking of the stylus; and

a stylus rotation.

4. The stylus of claim 1 , wherein one or more of the plurality of functionalities of the stylus or the device are determined based at least in part on a vibration of the stylus resulting from an object touching the stylus.

5. The stylus of claim 1 , wherein one or more of the plurality of functionalities of the stylus or the device are determined based at least in part on:

data stored by the stylus; and

a specific order of a sequence of movements of the stylus.

6. The stylus of claim 5 , wherein at least one movement in the sequence of movements of the stylus comprises shaking, rotation, or vibration.

7. The stylus of claim 1 , wherein one or more functionalities of the plurality of functionalities of the stylus or the device comprises one or more of:

modifying content displayed by the display of the device;

authenticating a user of the stylus to the stylus or the device; and

altering a power setting of the stylus or the device.

8. The stylus of claim 7 , wherein modifying content displayed by the display of the device comprises one or more of:

adding content displayed by the display of the device;

removing content displayed by the display of the device;

altering characteristics of content displayed by the display of the device; and

moving content displayed by the display of the device.

9. The stylus of claim 1 , wherein the textured region is in a middle portion of the body.

10. The stylus of claim 1 , wherein the texture region comprises ridges or grooves.

11. The stylus of claim 1 , wherein when a fingernail slides across the texture region, the stylus or the device determines a first functionality of the plurality of functionalities, and when a fingertip slides across the texture region, the stylus or the device determines a second functionality of the plurality of functionalities.

12. A method, comprising:

detecting, by one or more sensors in or on a stylus, a plurality of stylus movements and one or more objects sliding on a textured region of the stylus,

wherein the stylus comprises one or more electrodes that wirelessly transmit signals to a touch sensor of the device; and

determining, by the stylus or the device, a plurality of functionalities of the stylus or the device based on a vertical orientation or a horizontal orientation of the stylus or the device and a type of object that slid across the textured region, wherein one or more functionalities of the plurality of functionalities of the stylus or the device comprises one or more of:

transferring data between the stylus and the device;

accessing menus or commands specific to data stored by the stylus or the device; and

accessing menus or commands specific to content displayed by a display of the device.

13. The method of claim 12 , wherein the plurality of functionalities of the stylus or the device are further determined based on one or more of:

a stylus location during a stylus movement;

a shaking of the stylus; and

a stylus rotation.

14. One or more non-transitory computer-readable storage media embodying logic that is operable when executed to:

determine, by one or more sensors in or on a stylus, a plurality of stylus movements,

wherein the stylus comprises one or more electrodes that wirelessly transmit signals to a touch sensor of a device and a body, a portion of the body having a textured region; and

determine a plurality of functionalities of the stylus or the device based on a vertical orientation or a horizontal orientation of the stylus or the device and a type of object that slides across the textured region,

wherein one or more functionalities of the plurality of functionalities of the stylus or the device comprises one or more of:

transferring data between the stylus and the device;

accessing menus or commands specific to data stored by the stylus or the device; and

accessing menus or commands specific to content displayed by a display of the device.

15. The media of claim 14 , wherein the one or more sensors comprise an accelerometer, a magnetometer, a global positioning system (GPS), or a gyroscope.

16. The media of claim 14 , wherein the plurality of functionalities of the stylus or the device are determined based at least in part on a shaking of the stylus.

17. The media of claim 14 , wherein the plurality of functionalities of the stylus or the device are determined based at least in part on a vibration of the stylus resulting from an object touching the stylus.

18. The media of claim 14 , wherein one or more functionalities of the plurality of functionalities of the stylus or the device comprises one or more of:

modifying content displayed on the display of the device;

authenticating a user of the stylus to the stylus or the device; and

altering a power setting of the stylus or the device.