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Diffstat (limited to 'lib/python/kle2xy.py')
-rw-r--r-- | lib/python/kle2xy.py | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/lib/python/kle2xy.py b/lib/python/kle2xy.py new file mode 100644 index 000000000..ea16a4b5e --- /dev/null +++ b/lib/python/kle2xy.py @@ -0,0 +1,155 @@ +""" 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) |