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""" Original code from https://github.com/skullydazed/kle2xy
"""
import hjson
from decimal import Decimal
class KLE2xy(list):
"""Abstract interface for interacting with a KLE layout.
"""
def __init__(self, layout=None, name='', invert_y=True):
super(KLE2xy, self).__init__()
self.name = name
self.invert_y = invert_y
self.key_width = Decimal('19.05')
self.key_skel = {
'decal': False,
'border_color': 'none',
'keycap_profile': '',
'keycap_color': 'grey',
'label_color': 'black',
'label_size': 3,
'label_style': 4,
'width': Decimal('1'), 'height': Decimal('1'),
'x': Decimal('0'), 'y': Decimal('0')
}
self.rows = Decimal(0)
self.columns = Decimal(0)
if layout:
self.parse_layout(layout)
@property
def width(self):
"""Returns the width of the keyboard plate.
"""
return (Decimal(self.columns) * self.key_width) + self.key_width/2
@property
def height(self):
"""Returns the height of the keyboard plate.
"""
return (self.rows * self.key_width) + self.key_width/2
@property
def size(self):
"""Returns the size of the keyboard plate.
"""
return (self.width, self.height)
def attrs(self, properties):
"""Parse the keyboard properties dictionary.
"""
# FIXME: Store more than just the keyboard name.
if 'name' in properties:
self.name = properties['name']
def parse_layout(self, layout):
# Wrap this in a dictionary so hjson will parse KLE raw data
layout = '{"layout": [' + layout + ']}'
layout = hjson.loads(layout)['layout']
# Initialize our state machine
current_key = self.key_skel.copy()
current_row = Decimal(0)
current_col = Decimal(0)
current_x = 0
current_y = self.key_width / 2
if isinstance(layout[0], dict):
self.attrs(layout[0])
layout = layout[1:]
for row_num, row in enumerate(layout):
self.append([])
# Process the current row
for key in row:
if isinstance(key, dict):
if 'w' in key and key['w'] != Decimal(1):
current_key['width'] = Decimal(key['w'])
if 'w2' in key and 'h2' in key and key['w2'] == 1.5 and key['h2'] == 1:
# FIXME: ISO Key uses these params: {x:0.25,w:1.25,h:2,w2:1.5,h2:1,x2:-0.25}
current_key['isoenter'] = True
if 'h' in key and key['h'] != Decimal(1):
current_key['height'] = Decimal(key['h'])
if 'a' in key:
current_key['label_style'] = self.key_skel['label_style'] = int(key['a'])
if current_key['label_style'] < 0:
current_key['label_style'] = 0
elif current_key['label_style'] > 9:
current_key['label_style'] = 9
if 'f' in key:
font_size = int(key['f'])
if font_size > 9:
font_size = 9
elif font_size < 1:
font_size = 1
current_key['label_size'] = self.key_skel['label_size'] = font_size
if 'p' in key:
current_key['keycap_profile'] = self.key_skel['keycap_profile'] = key['p']
if 'c' in key:
current_key['keycap_color'] = self.key_skel['keycap_color'] = key['c']
if 't' in key:
# FIXME: Need to do better validation, plus figure out how to support multiple colors
if '\n' in key['t']:
key['t'] = key['t'].split('\n')[0]
if key['t'] == "0":
key['t'] = "#000000"
current_key['label_color'] = self.key_skel['label_color'] = key['t']
if 'x' in key:
current_col += Decimal(key['x'])
current_x += Decimal(key['x']) * self.key_width
if 'y' in key:
current_row += Decimal(key['y'])
current_y += Decimal(key['y']) * self.key_width
if 'd' in key:
current_key['decal'] = True
else:
current_key['name'] = key
current_key['row'] = current_row
current_key['column'] = current_col
# Determine the X center
x_center = (current_key['width'] * self.key_width) / 2
current_x += x_center
current_key['x'] = current_x
current_x += x_center
# Determine the Y center
y_center = (current_key['height'] * self.key_width) / 2
y_offset = y_center - (self.key_width / 2)
current_key['y'] = (current_y + y_offset)
# Tend to our row/col count
current_col += current_key['width']
if current_col > self.columns:
self.columns = current_col
# Invert the y-axis if neccesary
if self.invert_y:
current_key['y'] = -current_key['y']
# Store this key
self[-1].append(current_key)
current_key = self.key_skel.copy()
# Move to the next row
current_x = 0
current_y += self.key_width
current_col = Decimal(0)
current_row += Decimal(1)
if current_row > self.rows:
self.rows = Decimal(current_row)
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