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

keyboard key up

Type:enum

KEY_DOWN

keyboard key down

Type:enum

KEY_LEFT

keyboard key left

Type:enum

KEY_RIGHT

keyboard key right

Type:enum

KEY_PLUS

keyboard key +

Type:enum

KEY_MINUS

keyboard key -

Type:enum

CTRL_LEFT

keyboard key ctrl+let

Type:enum

CTRL_RIGHT

keyboard key ctrl+right

Type:enum

ESC

keyboard key esc

Type:enum

COMBINATIONS

list of keyboard keys and combinations defined

Type:list

__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 with the accepted monitored keys

Type:object

projector_client

object with the methods of projector client class

Type:object

projection_element

object with the methods of projection element class

Type:object

__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