zlp_keyboard module

This module contains utility classes and methods which wrap the keyboard listener for monitoring.

class z_laser_zlp1.zlp_keyboard.KeyboardParameters

Bases: object

This class contains the accepted monitored keys.

KEY_UP

enum – keyboard key up

KEY_DOWN

enum – keyboard key down

KEY_LEFT

enum – keyboard key left

KEY_RIGHT

enum – keyboard key right

KEY_PLUS

enum – keyboard key +

KEY_MINUS

enum – keyboard key -

CTRL_LEFT

enum – keyboard key ctrl+let

CTRL_RIGHT

enum – keyboard key ctrl+right

ESC

enum – keyboard key esc

COMBINATIONS

list – list of keyboard keys and combinations defined

__init__()

Initialize the KeyboardParameters object.

class z_laser_zlp1.zlp_keyboard.KeyboardControl(projector_client, projection_element)

Bases: object

This class is used to monitor the keyboard presses in order to change properties of a projection element in real time.

Parameters:

• projector_client (object) – object with the methods of projector client class
• projection_element (object) – object with the methods of projection element class

keyboard_params

object – object with the accepted monitored keys

projector_client

object – object with the methods of projector client class

projection_element

object – object with the methods of projection element class

__init__(projector_client, projection_element)

Initialize the KeyboardControl object.

on_press(key, cs_name, proj_elem_params)

Check if the key pressed if one of the list and execute the respective tasks.

Parameters:

• key (enum) – key pressed
• cs_name (str) – name of the coordinate system
• proj_elem_params (object) – object with the parameters of the projection element to monitor

on_release(key)

Remove current stored key, on release.

Parameters:key (enum) – key pressed

init_keyboard_listener(cs_name, figure_params)

Start keyboard listener for monitoring key presses.

Parameters:

• cs_name (str) – name of the coordinate system
• figure_params (object) – object with the parameters of the projection element to monitor