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|
# Copyright (c) 2019 lulua contributors
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import argparse, sys, logging, pkg_resources, base64, unicodedata
from collections import namedtuple, defaultdict
from itertools import chain
from operator import attrgetter
from datetime import datetime
from xml.etree import ElementTree
import svgwrite
import yaml
from .layout import LITTLE, RING, MIDDLE, INDEX, THUMB, GenericLayout, defaultLayouts
from .writer import Writer
from .keyboard import defaultKeyboards, LetterButton
from .util import first, displayText
RendererSettings = namedtuple ('RendererSetting', ['buttonMargin', 'middleGap', 'buttonWidth', 'rounded', 'shadowOffset', 'markerStroke'])
class Renderer:
""" Keyboard to SVG renderer """
__slots__ = ('keyboard', 'layout', 'settings', 'writer', 'keyHighlight')
defaultSettings = RendererSettings (
buttonMargin=20,
middleGap=10,
buttonWidth=200,
rounded=10,
shadowOffset=5,
markerStroke=7,
)
def __init__ (self, keyboard, layout=None, writer=None, settings=None, keyHighlight=None):
self.keyboard = keyboard
self.layout = layout
self.writer = writer
self.settings = settings or self.defaultSettings
self.keyHighlight = keyHighlight or {}
def render (self):
""" Render the entire layout, return single SVG <g> container and its (width, height) """
settings = self.settings
btnToPos, (width, height) = self._calcDimensions (self.keyboard)
g = svgwrite.container.Group ()
# use multiple layers to get overlapping right
gCapShadow = svgwrite.container.Group ()
gCapShadow.attribs['class'] = 'cap-shadow'
g.add (gCapShadow)
gCap = svgwrite.container.Group ()
gCap.attribs['class'] = 'cap'
g.add (gCap)
gHighlight = svgwrite.container.Group ()
gHighlight.attribs['class'] = 'highlight'
g.add (gHighlight)
gLabel = svgwrite.container.Group ()
gLabel.attribs['class'] = 'label'
g.add (gLabel)
for btn in self.keyboard.keys ():
# map modifier keys to arrows, they cannot have any text
mod = frozenset ([btn])
isModifier = self.layout.isModifier (mod)
if isModifier:
layerToArrow = {1: '⭡', 2: '⭧', 3: '⭨'}
i, layer = self.layout.modifierToLayer (mod)
buttonText = [layerToArrow[i]]
else:
buttonText = list (map (displayText, self.layout.getButtonText (btn)))
btnWidth = self.buttonWidth (btn)
btnPos = btnToPos[btn]
if any (buttonText):
hand, finger = self.writer.getHandFinger (btn)
extraClass = f'finger-{finger.name.lower ()} hand-{hand.name.lower ()}'
gCapShadow.add (self._drawCapShadow (btnWidth, btnPos, extraClass))
o = self._drawCap (btnWidth, btnPos)
if not any (buttonText):
assert 'class' not in o.attribs
o.attribs['class'] = 'unused'
gCap.add (o)
if btn.isMarked:
gCap.add (self._drawMarker (btnWidth, btnPos))
highlight = self.keyHighlight.get (btn.name, 0)
gHighlight.add (self._drawHighlight (highlight, btnWidth, btnPos))
l = self._drawLabel (buttonText, btnWidth, btnPos)
if isModifier:
assert 'class' not in l.attribs
l.attribs['class'] = 'modifier'
gLabel.add (l)
return g, (width, height)
def _calcDimensions (self, keyboard):
""" Create button to position map and keyboard dimensions """
m = {}
settings = self.settings
# keyboard dimensions
maxWidth = 0
maxHeight = 0
# current position
cursor = [0, 0]
rowWidth = []
for l, r in self.keyboard:
for btn in l:
assert btn not in m
m[btn] = tuple (cursor)
cursor[0] += self.buttonWidth (btn) + settings.buttonMargin
cursor[0] += settings.middleGap
for btn in r:
assert btn not in m
m[btn] = tuple (cursor)
cursor[0] += self.buttonWidth (btn) + settings.buttonMargin
# button height is always the same as default width
cursor[1] += settings.buttonWidth + settings.buttonMargin
maxWidth = max (cursor[0], maxWidth)
rowWidth.append (cursor[0])
cursor[0] = 0
maxHeight = cursor[1]
logging.info (f'row width {rowWidth}')
return m, (maxWidth, maxHeight)
def _drawCapShadow (self, width, position, extraClass=''):
xoff, yoff = position
settings = self.settings
return svgwrite.shapes.Rect (
insert=((xoff+settings.shadowOffset), (yoff+settings.shadowOffset)),
size=(width, settings.buttonWidth),
rx=settings.rounded,
ry=settings.rounded,
class_=extraClass)
def _drawCap (self, width, position):
xoff, yoff = position
settings = self.settings
return svgwrite.shapes.Rect (
insert=(xoff, yoff),
size=(width, settings.buttonWidth),
rx=settings.rounded,
ry=settings.rounded)
def _drawMarker (self, width, position):
xoff, yoff = position
settings = self.settings
g = svgwrite.container.Group ()
g.attribs['class'] = 'marker'
start = (xoff+width*0.3, yoff+settings.buttonWidth*0.9)
end = (xoff+width*0.7, yoff+settings.buttonWidth*0.9)
# its shadow
l = svgwrite.shapes.Line (
map (lambda x: (x+settings.shadowOffset), start),
map (lambda x: (x+settings.shadowOffset), end),
stroke_width=settings.markerStroke,
class_='shadow')
g.add (l)
# the marker itself
l = svgwrite.shapes.Line (
start,
end,
stroke_width=settings.markerStroke)
g.add (l)
return g
def _drawHighlight (self, highlight, width, position):
xoff, yoff = position
settings = self.settings
# make the circle slight smaller to reduce overlap
r = min (width, settings.buttonWidth)/2*0.9
return svgwrite.shapes.Circle (
center=(xoff+width/2, yoff+settings.buttonWidth/2),
r=r,
style=f'opacity: {highlight}')
def _drawLabel (self, buttonText, width, position):
g = svgwrite.container.Group ()
xoff, yoff = position
settings = self.settings
# clock-wise from bottom-left to bottom-right, offsets are relative to buttonWidth and button center
textParam = [
(-0.25, 0.3, 'layer-1'),
(-0.25, -0.15, 'layer-2'),
(0.25, -0.15, 'layer-3'),
(0.25, 0.3, 'layer-4'),
]
# XXX: could probably def/use these
for extraclass, morexoff, moreyoff in [(['shadow'], settings.shadowOffset, settings.shadowOffset), ([], 0, 0)]:
class_ = ['label'] + extraclass
controlclass_ = ['controllabel'] + extraclass
for text, (txoff, tyoff, style) in zip (buttonText, textParam):
if text is None:
continue
txoff = txoff*settings.buttonWidth + morexoff
tyoff = tyoff*settings.buttonWidth + moreyoff
# actual text must be inside tspan, so we can apply smaller font size
# without affecting element position
t = svgwrite.text.Text ('',
insert=((xoff+width/2+txoff), (yoff+settings.buttonWidth/2+tyoff)),
text_anchor='middle',
class_=' '.join (class_))
if text.startswith ('[') and text.endswith (']'):
# XXX: should find us a font which has glyphs for control chars
t.add (svgwrite.text.TSpan (text[1:-1],
class_='controlchar',
direction='ltr'))
g.add (svgwrite.shapes.Rect (
insert=((xoff+width/2+txoff-40), (yoff+settings.buttonWidth/2+tyoff-40)),
size=(80, 50),
stroke_width=2,
stroke_dasharray='15,8',
class_=' '.join (controlclass_)))
else:
t.add (svgwrite.text.TSpan (text, class_=style, direction='rtl'))
g.add (t)
return g
def buttonWidth (self, btn):
""" Calculate button width """
return btn.width * self.settings.buttonWidth
def unique (l, key):
return dict ((key (v), v) for v in l).values ()
def renderSvg (args):
keyboard = defaultKeyboards[args.keyboard]
layout = defaultLayouts[args.layout].specialize (keyboard)
writer = Writer (layout)
keyHeat = {}
if args.heatmap:
maxHeat = max (args.heatmap['buttons'].values ())
keyHeat = dict ((k, v/maxHeat) for k, v in args.heatmap['buttons'].items ())
r = Renderer (keyboard, layout=layout, writer=writer, keyHighlight=keyHeat)
rendered, (w, h) = r.render ()
d = svgwrite.Drawing(args.output, size=(w, h), profile='full')
# using fonts via url() only works in stand-alone documents, not when
# embedding into a website
# see https://github.com/mozman/svgwrite/blob/master/examples/using_fonts.py#L36
# which we cannot use since it does not support font-weight
style = ''
fonts = [
('IBM Plex Sans Arabic', 100, '3rdparty/plex/IBM-Plex-Sans-Arabic/fonts/complete/woff2/IBMPlexSansArabic-Thin.woff2'),
('IBM Plex Sans Arabic', 400, '3rdparty/plex/IBM-Plex-Sans-Arabic/fonts/complete/woff2/IBMPlexSansArabic-Regular.woff2')
]
for font, weight, path in fonts:
with open (path, 'rb') as fd:
data = base64.b64encode (fd.read ()).decode ('utf-8')
style += f"""
@font-face {{
font-family: '{font}';
font-style: normal;
font-weight: {weight};
src: url("data:application/font-woff2;charset=utf-8;base64,{data}") format('woff2');
}}
"""
style += args.style.read ().decode ('utf-8')
d.defs.add (d.style (style))
d.add (rendered)
d.save (pretty=True)
def renderXmodmap (args):
keyboard = defaultKeyboards[args.keyboard]
layout = defaultLayouts[args.layout].specialize (keyboard)
with open (args.output, 'w') as fd:
# inspired by https://neo-layout.org/neo_de.xmodmap
fd.write ('\n'.join ([
'!! auto-generated xmodmap',
f'!! layout: {layout.name}',
f'!! generated: {datetime.utcnow ()}',
'',
'clear Lock',
'clear Mod2',
'clear Mod3',
'clear Mod5',
'',
]))
keycodeMap = defaultdict (list)
# XXX: this is an ugly quirk to get layer 4 working
# layers: 1, 2, 3, 5, 4, None, 6, 7
for i in (0, 1, 2, 4, 3, 99999, 5, 6):
if i >= len (layout.layers):
for btn in unique (keyboard.keys (), key=attrgetter ('xorgKeycode')):
keycodeMap[btn].append ('NoSymbol')
continue
l = layout.layers[i]
# space button shares the same keycode and must be removed
for btn in unique (keyboard.keys (), key=attrgetter ('xorgKeycode')):
if not layout.isModifier (frozenset ([btn])):
text = l.layout.get (btn)
if not text:
text = 'NoSymbol'
else:
# some keys cannot be represented by unicode
# characters and must be mapped
specialMap = {
'\t': 'Tab',
'\n': 'Return',
' ': 'space',
'\b': 'BackSpace',
}
text = specialMap.get (text, f'U{ord (text):04X}')
keycodeMap[btn].append (text)
# XXX layer modmap functionality is fixed for now
layerMap = [
[],
['Shift_L', 'Shift_Lock'],
['ISO_Group_Shift', 'ISO_Group_Shift', 'ISO_First_Group', 'NoSymbol'],
['ISO_Level3_Shift', 'ISO_Level3_Shift', 'ISO_Group_Shift', 'ISO_Group_Shift', 'ISO_Level3_Lock', 'NoSymbol'],
]
for i, l in enumerate (layout.layers):
for m in l.modifier:
assert len (m) <= 1, ('multi-key modifier not supported', m)
if not m:
continue
btn = first (m)
keycodeMap[btn] = layerMap[i]
for btn, v in keycodeMap.items ():
v = '\t'.join (v)
fd.write (f'!! {btn.name}\nkeycode {btn.xorgKeycode} = {v}\n')
fd.write ('\n'.join (['add Mod3 = ISO_First_Group', 'add Mod5 = ISO_Level3_Shift', '']))
def renderKeyman (args):
""" Rudimentary keyman script generation. Note that keyman is somewhat
unflexible when it comes to shift states and therefore layouts with
non-standard shift keys/states won’t work. """
keyboard = defaultKeyboards[args.keyboard]
layout = defaultLayouts[args.layout].specialize (keyboard)
with open (args.output, 'w') as fd:
fd.write ('\n'.join ([
'c Auto-generated file for Keyman 11.0',
f'c layout: {layout.name}',
f'c generated: {datetime.utcnow ()}',
'',
'store(&version) "9.0"',
f'store(&name) "{layout.name}"',
'store(&mnemoniclayout) "0"',
'store(&targets) "any"',
'',
'begin Unicode > use(main)',
'group(main) using keys',
'',
]))
for i, l in enumerate (layout.layers):
for m in l.modifier:
for x in m:
if x.keymanCode.startswith ('K_') or x.keymanCode == 'CAPS':
logging.error (f'Keyman does not support custom modifier like {m}. Your layout will not work correctly.')
break
for btn, text in l.layout.items ():
comb = ' '.join ([x.keymanCode for x in m] + [btn.keymanCode])
text = ' '.join ([f'U+{ord (x):04X}' for x in text])
fd.write (f'+ [{comb}] > {text}\n')
def renderAsk (args):
"""
Render keyboard to Anysoft Keyboard XML layout file
Can be packaged/used by including them into a language pack:
https://github.com/AnySoftKeyboard/LanguagePack
Put the resulting file into
languages/<lang>/pack/src/main/res/xml/<layout>.xml and edit the project
accordingly.
"""
keyboard = defaultKeyboards[args.keyboard]
layout = defaultLayouts[args.layout].specialize (keyboard)
ET = ElementTree
namespaces = {
'xmlns:android': 'http://schemas.android.com/apk/res/android',
'xmlns:ask': 'http://schemas.android.com/apk/res-auto',
}
kbdelem = ET.Element ('Keyboard', attrib=namespaces)
for l, r in keyboard:
# exclude special buttons
buttons = list (filter (lambda x: isinstance (x, LetterButton) and not layout.isModifier (frozenset ([x])), chain (l, r)))
if not buttons:
continue
i = keyboard.getRow (buttons[0])
attrib = {'android:keyWidth': f'{100/len (buttons):.2f}%p'}
if i == len (keyboard.rows)-1:
# ignore the bottom row (mostly control characters), generic row is provided below
continue
elif i == 0:
# special top row
attrib['android:rowEdgeFlags'] = 'top'
attrib['android:keyHeight'] = '@integer/key_short_height'
rowelem = ET.SubElement (kbdelem, 'Row', attrib=attrib)
for btn in buttons:
# android cannot process multiple characters per button, thus find
# a composed version (NFC) if possible
buttonText = [unicodedata.normalize ('NFC', x) if x is not None else '' for x in layout.getButtonText (btn)]
for t in buttonText:
if len (t) > 1:
logging.info (f'button {btn} has text with len>1 {t}, verify output')
attrib = {
'android:codes': ','.join (map (lambda x: str (ord (x)), buttonText[0])),
'android:keyLabel': buttonText[0],
'android:popupCharacters': ''.join (buttonText[1:]),
# limit the number of hint characters shown
'ask:hintLabel': ''.join (buttonText[1:3]),
}
keyelem = ET.SubElement (rowelem, 'Key', attrib=attrib)
# add generic bottom row
rowelem = ET.SubElement (kbdelem, 'Row', {'android:rowEdgeFlags': 'bottom', 'android:keyHeight': '@integer/key_normal_height'})
for attrib in [
# return
{'ask:isFunctional': 'true', 'android:keyWidth': '25%p', 'android:codes': '10', 'android:keyEdgeFlags': 'left'},
# space
{'ask:isFunctional': 'true', 'android:keyWidth': '50%p', 'android:codes': '32'},
# backspace
{'ask:isFunctional': 'true', 'android:keyWidth': '25%p', 'android:codes': '-5', 'android:keyEdgeFlags': 'right', 'android:isRepeatable': 'true'},
]:
ET.SubElement (rowelem, 'Key', )
tree = ET.ElementTree (kbdelem)
tree.write (args.output, encoding='utf-8', xml_declaration=True)
def renderWinKbd (args):
keyboard = defaultKeyboards[args.keyboard]
layout = defaultLayouts[args.layout].specialize (keyboard)
if args.layout != 'ar-lulua':
logging.error (f'due to the delicate relationship between virtual keys and text output this command will probably not produce working files for your layout. Please have a look at renderWinKbd() in {__file__} and fix the code.')
return
resPath = pkg_resources.resource_filename (__package__, 'data/winkbd')
with open (args.output, 'w') as fd:
lines = []
lines.append (f'/* This header was auto-generated by {__package__}. It is included by {resPath}/keyboard.h. Do not modify. */')
lines.append ('')
# copied from kbdneo2.c as well
# XXX: modifier keys are fixed for now
# maps virtual keys (first value) to shift bitfield value (second value)
lines.append ('#define MODIFIER_BITS\\')
lines.append (""" { VK_SHIFT , KBDSHIFT }, \\
{ VK_CONTROL , KBDCTRL }, \\
{ VK_MENU , KBDALT }, \\
{ VK_OEM_8 , KBDKANA }, \\
{ VK_OEM_102 , 16 },""")
# copied from kbdneo2.c
# maps a shift bitfield value (array index) to a layer number in
# virtual key translation (VK_TO_WCHARS, array value)
lines.append ('#define CHAR_MODIFIERS_MASK 24')
lines.append ('#define CHAR_MODIFIERS\\')
lines.append ('\t{ 0, 1, 6, 7, SHFT_INVALID, SHFT_INVALID, SHFT_INVALID, SHFT_INVALID, 3, 8, SHFT_INVALID, SHFT_INVALID, SHFT_INVALID, SHFT_INVALID, SHFT_INVALID, SHFT_INVALID, 2, 4, SHFT_INVALID, SHFT_INVALID, SHFT_INVALID, SHFT_INVALID, SHFT_INVALID, SHFT_INVALID, 5, }')
# this is the standard layout from windows’ kbd.h (for KBD_TYPE == 4)
scancodeToVk = {
'T01': 'ESCAPE',
'T02': '1',
'T03': '2',
'T04': '3',
'T05': '4',
'T06': '5',
'T07': '6',
'T08': '7',
'T09': '8',
'T0A': '9',
'T0B': '0',
'T0C': 'OEM_MINUS',
'T0D': 'OEM_PLUS',
'T0E': 'BACK',
'T0F': 'TAB',
'T10': 'Q',
'T11': 'W',
'T12': 'E',
'T13': 'R',
'T14': 'T',
'T15': 'Y',
'T16': 'U',
'T17': 'I',
'T18': 'O',
'T19': 'P',
'T1A': 'OEM_4',
'T1B': 'OEM_6',
'T1C': 'RETURN',
'T1D': 'LCONTROL',
'T1E': 'A',
'T1F': 'S',
'T20': 'D',
'T21': 'F',
'T22': 'G',
'T23': 'H',
'T24': 'J',
'T25': 'K',
'T26': 'L',
'T27': 'OEM_1',
'T28': 'OEM_7',
'T29': 'OEM_3',
'T2A': 'LSHIFT',
'T2B': 'OEM_5',
'T2C': 'Z',
'T2D': 'X',
'T2E': 'C',
'T2F': 'V',
'T30': 'B',
'T31': 'N',
'T32': 'M',
'T33': 'OEM_COMMA',
'T34': 'OEM_PERIOD',
'T35': 'OEM_2',
'T36': 'RSHIFT',
'T37': 'MULTIPLY',
'T38': 'LMENU',
'T39': 'SPACE',
'T3A': 'CAPITAL',
'T3B': 'F1',
'T3C': 'F2',
'T3D': 'F3',
'T3E': 'F4',
'T3F': 'F5',
'T40': 'F6',
'T41': 'F7',
'T42': 'F8',
'T43': 'F9',
'T44': 'F10',
'T45': 'NUMLOCK',
'T46': 'SCROLL',
'T47': 'HOME',
'T48': 'UP',
'T49': 'PRIOR',
'T4A': 'SUBTRACT',
'T4B': 'LEFT',
'T4C': 'CLEAR',
'T4D': 'RIGHT',
'T4E': 'ADD',
'T4F': 'END',
'T50': 'DOWN',
'T51': 'NEXT',
'T52': 'INSERT',
'T53': 'DELETE',
'T54': 'SNAPSHOT',
'T56': 'OEM_102',
'T57': 'F11',
'T58': 'F12',
'T59': 'CLEAR',
'T5A': 'OEM_WSCTRL',
'T5B': 'OEM_FINISH',
'T5C': 'OEM_JUMP',
'T5D': 'EREOF',
'T5E': 'OEM_BACKTAB',
'T5F': 'OEM_AUTO',
'T62': 'ZOOM',
'T63': 'HELP',
'T64': 'F13',
'T65': 'F14',
'T66': 'F15',
'T67': 'F16',
'T68': 'F17',
'T69': 'F18',
'T6A': 'F19',
'T6B': 'F20',
'T6C': 'F21',
'T6D': 'F22',
'T6E': 'F23',
'T6F': 'OEM_PA3',
'T71': 'OEM_RESET',
'T73': 'ABNT_C1',
'T76': 'F24',
'T7B': 'OEM_PA1',
'T7C': 'TAB',
'T7E': 'ABNT_C2',
'T7F': 'OEM_PA2',
'X10': 'MEDIA_PREV_TRACK',
'X19': 'MEDIA_NEXT_TRACK',
'X1C': 'RETURN',
'X1D': 'RCONTROL',
'X20': 'VOLUME_MUTE',
'X21': 'LAUNCH_APP2',
'X22': 'MEDIA_PLAY_PAUSE',
'X24': 'MEDIA_STOP',
'X2E': 'VOLUME_DOWN',
'X30': 'VOLUME_UP',
'X32': 'BROWSER_HOME',
'X35': 'DIVIDE',
'X37': 'SNAPSHOT',
'X38': 'RMENU',
'X46': 'CANCEL',
'X47': 'HOME',
'X48': 'UP',
'X49': 'PRIOR',
'X4B': 'LEFT',
'X4D': 'RIGHT',
'X4F': 'END',
'X50': 'DOWN',
'X51': 'NEXT',
'X52': 'INSERT',
'X53': 'DELETE',
'X5B': 'LWIN',
'X5C': 'RWIN',
'X5D': 'APPS',
'X5E': 'POWER',
'X5F': 'SLEEP',
'X65': 'BROWSER_SEARCH',
'X66': 'BROWSER_FAVORITES',
'X67': 'BROWSER_REFRESH',
'X68': 'BROWSER_STOP',
'X69': 'BROWSER_FORWARD',
'X6A': 'BROWSER_BACK',
'X6B': 'LAUNCH_APP1',
'X6C': 'LAUNCH_MAIL',
'X6D': 'LAUNCH_MEDIA_SELECT',
}
# modifications copied from kbdneo2.c
# maps modifier keys to oem values used above.
scancodeToVk.update ({
# mod 3
'T2B': 'OEM_102',
'T3A': 'OEM_102',
# mod 4
'X38': 'OEM_8',
'T56': 'OEM_8',
})
for k, v in scancodeToVk.items ():
lines.append (f'#undef {k}')
if len (v) == 1:
# character value if not symbolic
v = f"'{v}'"
lines.append (f'#define {k} _EQ({v})')
lines.append ('')
lines.append ('#define VK_TO_WCH6 \\')
for btn in unique (keyboard.keys (), key=attrgetter ('windowsScancode')):
def toUnicode (s):
if s is None:
return 'WCH_NONE'
elif len (s) != 1:
logging.error (f'only single-character strings are supported, ignoring {s}')
return 'WCH_NONE'
elif s == '\n':
# convert to windows-convention
s = '\r'
return f'0x{ord (s):x} /*{repr (s)}*/'
text = list (layout.getButtonText (btn))
assert len (text) < 7, "supporting six layers only right now"
# skip unused keys
if sum (map (lambda x: 1 if x is not None else 0, text)) == 0:
continue
# fixed-length array, need padding
mappedText = [toUnicode (s) for s in text]
while len (mappedText) < 6:
mappedText.append ('WCH_NONE')
vk = scancodeToVk[btn.windowsScancode]
if len (vk) == 1:
# character value
vk = f"'{vk}'"
else:
# symbolic value
vk = f'VK_{vk}'
mappingStr = ', '.join (mappedText)
lines.append (f'\t{{ {vk}, 0, {mappingStr} }}, \\')
# NUL-termination entry is already present in keyboard.c
lines.append ('\n')
fd.write ('\n'.join (lines))
logging.info ('refer to README.rst on how to build a windows driver. '
f'Template files are located in {resPath}')
def yamlload (s):
try:
with open (s) as fd:
return yaml.safe_load (fd)
except FileNotFoundError:
raise argparse.ArgumentTypeError(f'Cannot open file {s}')
def render ():
parser = argparse.ArgumentParser(description='Render keyboard into output format.')
parser.add_argument('-l', '--layout', metavar='LAYOUT', help='Keyboard layout name')
parser.add_argument('-k', '--keyboard', metavar='KEYBOARD',
default='ibmpc105', help='Physical keyboard name')
subparsers = parser.add_subparsers()
sp = subparsers.add_parser('svg')
sp.add_argument('-s', '--style',
metavar='FILE',
default=pkg_resources.resource_stream (__package__, 'data/render-svg.css'),
# pkg_resources returns bytes(), so we’ll need to decode to unicode
# ourselves
type=argparse.FileType('rb'),
help='Include external stylesheet into SVG')
sp.add_argument('--heatmap',
metavar='FILE',
type=yamlload,
help='Highlight keys based on heatmap data')
sp.set_defaults (func=renderSvg)
sp = subparsers.add_parser('xmodmap')
sp.set_defaults (func=renderXmodmap)
sp = subparsers.add_parser('keyman')
sp.set_defaults (func=renderKeyman)
sp = subparsers.add_parser('ask')
sp.set_defaults (func=renderAsk)
sp = subparsers.add_parser('winkbd')
sp.set_defaults (func=renderWinKbd)
parser.add_argument('output', metavar='FILE', help='Output file')
logging.basicConfig (level=logging.INFO)
args = parser.parse_args()
return args.func (args)
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