146 lines
5.9 KiB
Python
146 lines
5.9 KiB
Python
""" Original code from https://github.com/skullydazed/kle2xy
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"""
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import hjson
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from decimal import Decimal
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class KLE2xy(list):
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"""Abstract interface for interacting with a KLE layout.
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"""
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def __init__(self, layout=None, name='', invert_y=True):
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super(KLE2xy, self).__init__()
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self.name = name
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self.invert_y = invert_y
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self.key_width = Decimal('19.05')
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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')}
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self.rows = Decimal(0)
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self.columns = Decimal(0)
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if layout:
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self.parse_layout(layout)
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@property
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def width(self):
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"""Returns the width of the keyboard plate.
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"""
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return (Decimal(self.columns) * self.key_width) + self.key_width / 2
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@property
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def height(self):
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"""Returns the height of the keyboard plate.
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"""
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return (self.rows * self.key_width) + self.key_width / 2
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@property
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def size(self):
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"""Returns the size of the keyboard plate.
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"""
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return (self.width, self.height)
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def attrs(self, properties):
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"""Parse the keyboard properties dictionary.
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"""
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# FIXME: Store more than just the keyboard name.
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if 'name' in properties:
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self.name = properties['name']
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def parse_layout(self, layout): # noqa FIXME(skullydazed): flake8 says this has a complexity of 25, it should be refactored.
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# Wrap this in a dictionary so hjson will parse KLE raw data
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layout = '{"layout": [' + layout + ']}'
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layout = hjson.loads(layout)['layout']
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# Initialize our state machine
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current_key = self.key_skel.copy()
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current_row = Decimal(0)
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current_col = Decimal(0)
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current_x = 0
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current_y = self.key_width / 2
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if isinstance(layout[0], dict):
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self.attrs(layout[0])
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layout = layout[1:]
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for row_num, row in enumerate(layout):
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self.append([])
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# Process the current row
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for key in row:
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if isinstance(key, dict):
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if 'w' in key and key['w'] != Decimal(1):
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current_key['width'] = Decimal(key['w'])
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if 'w2' in key and 'h2' in key and key['w2'] == 1.5 and key['h2'] == 1:
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# FIXME: ISO Key uses these params: {x:0.25,w:1.25,h:2,w2:1.5,h2:1,x2:-0.25}
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current_key['isoenter'] = True
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if 'h' in key and key['h'] != Decimal(1):
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current_key['height'] = Decimal(key['h'])
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if 'a' in key:
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current_key['label_style'] = self.key_skel['label_style'] = int(key['a'])
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if current_key['label_style'] < 0:
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current_key['label_style'] = 0
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elif current_key['label_style'] > 9:
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current_key['label_style'] = 9
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if 'f' in key:
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font_size = int(key['f'])
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if font_size > 9:
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font_size = 9
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elif font_size < 1:
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font_size = 1
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current_key['label_size'] = self.key_skel['label_size'] = font_size
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if 'p' in key:
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current_key['keycap_profile'] = self.key_skel['keycap_profile'] = key['p']
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if 'c' in key:
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current_key['keycap_color'] = self.key_skel['keycap_color'] = key['c']
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if 't' in key:
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# FIXME: Need to do better validation, plus figure out how to support multiple colors
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if '\n' in key['t']:
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key['t'] = key['t'].split('\n')[0]
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if key['t'] == "0":
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key['t'] = "#000000"
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current_key['label_color'] = self.key_skel['label_color'] = key['t']
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if 'x' in key:
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current_col += Decimal(key['x'])
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current_x += Decimal(key['x']) * self.key_width
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if 'y' in key:
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current_row += Decimal(key['y'])
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current_y += Decimal(key['y']) * self.key_width
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if 'd' in key:
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current_key['decal'] = True
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else:
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current_key['name'] = key
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current_key['row'] = current_row
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current_key['column'] = current_col
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# Determine the X center
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x_center = (current_key['width'] * self.key_width) / 2
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current_x += x_center
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current_key['x'] = current_x
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current_x += x_center
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# Determine the Y center
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y_center = (current_key['height'] * self.key_width) / 2
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y_offset = y_center - (self.key_width / 2)
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current_key['y'] = (current_y + y_offset)
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# Tend to our row/col count
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current_col += current_key['width']
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if current_col > self.columns:
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self.columns = current_col
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# Invert the y-axis if neccesary
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if self.invert_y:
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current_key['y'] = -current_key['y']
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# Store this key
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self[-1].append(current_key)
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current_key = self.key_skel.copy()
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# Move to the next row
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current_x = 0
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current_y += self.key_width
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current_col = Decimal(0)
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current_row += Decimal(1)
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if current_row > self.rows:
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self.rows = Decimal(current_row)
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