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# encoding: utf-8
"""
Module to help with creating fast keycode mapping arrays
"""
class KeyCodeMapper(object):
def __init__(self, noshift_code, noshift_invert_shift, shift_code, shift_invert_shift):
self.noshift_code = noshift_code
self.noshift_invert_shift = noshift_invert_shift
self.shift_code = shift_code
self.shift_invert_shift = shift_invert_shift
def get_code(self, old_code, shift_down):
# returns new_code, invert_shift
if shift_down:
return self.shift_code, self.shift_invert_shift
else:
return self.noshift_code, self.noshift_invert_shift
def __repr__(self):
return "KCM{%3s (%5s) : %3s (%5s)}" % (self.noshift_code, self.noshift_invert_shift, self.shift_code, self.shift_invert_shift)
class NoopKCM(object):
def get_code(self, old_code, shift_down):
# returns new_code, invert_shift
return old_code, False
def __repr__(self):
return "KCM{NOOP}"
def parse_keymap(args, rev_event_keys, event_keys):
"""
Reads in a keymap configuration and returns structures to implement it
"""
keymap_config = {}
execfile(args.keymap, keymap_config)
switch_layout_keys = keymap_config['switch_layout_keys']
revert_default_key = keymap_config['revert_default_key']
revert_keymap_index = keymap_config['revert_keymap_index']
default_keymap_index = keymap_config['default_keymap_index']
caps_lock_modify = keymap_config['caps_lock_modify']
keymaps = keymap_config['keymaps']
#print keymap_config
#exit(0)
#import pprint
short_to_long = {
'APP':'COMPOSE',
'BRK':'BREAK',
'BSLS':'BACKSLASH',
'BSPC':'BACKSPACE',
'CAPS':'CAPSLOCK',
'COMM':'COMMA',
'DEL':'DELETE',
'ENT':'ENTER',
'EQL':'EQUAL',
'GRV':'GRAVE',
'INS':'INSERT',
'LALT':'LEFTALT',
'LBRC':'LEFTBRACE',
'LCTL':'LEFTCTRL',
'LGUI':'LEFTMETA',
'LSFT':'LEFTSHIFT',
'MINS':'MINUS',
'NLCK':'NUMLOCK',
'P0':'KP0',
'P1':'KP1',
'P2':'KP2',
'P3':'KP3',
'P4':'KP4',
'P5':'KP5',
'P6':'KP6',
'P7':'KP7',
'P8':'KP8',
'P9':'KP9',
'PAST':'KPASTERISK',
'PDOT':'KPDOT',
'PENT':'KPENTER',
'PGDN':'PAGEDOWN',
'PGUP':'PAGEUP',
'PMNS':'KPMINUS',
'PPLS':'KPPLUS',
'PSCR':'SYSRQ',#'PRINT', # not sure?
'PSLS':'KPSLASH',
'QUOT':'APOSTROPHE',
'RALT':'RIGHTALT',
'RBRC':'RIGHTBRACE',
'RCTL':'RIGHTCTRL',
'RGHT':'RIGHT',
'RGUI':'RIGHTMETA',
'RSFT':'RIGHTSHIFT',
'SCLN':'SEMICOLON',
'SLCK':'SCROLLLOCK',
'SLSH':'SLASH',
'SPC':'SPACE',
}
shift_key_list = []
keymap_list = []
for keymap in keymaps:
key_list = []
keymap_list.append(key_list)
for key in keymap.split(','):
key = key.strip() # remove whitespace
key_arr = key.split(':')
noshift_invert_shift = '^' == key_arr[0][0]
key = key_arr[0].strip('^')
new_key = 'KEY_'+short_to_long.get(key, key)
if args.dump and new_key not in event_keys[1]: # todo: probably should exit with some helpful error here?
print "'%s':''," % key
noshift_code = event_keys[1][new_key]
if len(key_arr) == 1:
shift_invert_shift = noshift_invert_shift
shift_code = noshift_code
else:
shift_invert_shift = '^' != key_arr[1][0]
key = key_arr[1].strip('^')
new_key = 'KEY_'+short_to_long.get(key, key)
if args.dump and new_key not in event_keys[1]: # todo: probably should exit with some helpful error here?
print "'%s':''," % key
shift_code = event_keys[1][new_key]
key_list.append(KeyCodeMapper(noshift_code, noshift_invert_shift, shift_code, shift_invert_shift))
#pprint.pprint(keymap_list)
#exit(0)
mykeymaps = []
default_keymap = keymap_list[0]
keymap_range = range(0, len(default_keymap))
for keymap in keymap_list:
mykeymap = {}
mykeymaps.append(mykeymap)
for y in keymap_range:
if default_keymap[y] != keymap[y]:
mykeymap[default_keymap[y].noshift_code] = keymap[y]
#pprint.pprint(mykeymaps)
#exit(0)
#print 'mykeymap: ', mykeymap
#print 'rev_event_keys[1]: ', rev_event_keys[1]
#print 'event_keys[1]: ', event_keys[1]
#print 'event_keys[1]: '
#pprint.pprint(event_keys[1])
#exit(0)
# convert mykeymap once, at startup, to a faster array, possibly using a little more memory
keycnt_range = range(0, event_keys[1]['KEY_CNT'])
noop = NoopKCM()
runtime_keymaps = []
for mykeymap in mykeymaps:
mycodemap = []
runtime_keymaps.append(mycodemap)
for x in keycnt_range:
mycodemap.append(mykeymap.get(x, noop))
#print 'mycodemap: ', mycodemap
#pprint.pprint(runtime_keymaps)
#exit(0)
active_keymap_index = default_keymap_index
revert_default_code = event_keys[1]['KEY_'+revert_default_key]
active_keymap = runtime_keymaps[active_keymap_index]
switch_layout_codes = {}
for key in switch_layout_keys:
switch_layout_codes[event_keys[1]['KEY_'+key]] = False
switch_layout_mode = False
num_codes_to_index = {}
for x in range(0, len(runtime_keymaps)):
num_codes_to_index[event_keys[1].get('KEY_'+str(x))] = x
#pprint.pprint(num_codes_to_index)
#exit(0)
# again quick array index based lookup
caps_lock_no_effect = []
for x in keycnt_range:
caps_lock_no_effect.append(False)
for key in caps_lock_modify.split(','):
key = key.strip() # remove whitespace
new_key = 'KEY_'+short_to_long.get(key, key)
if args.dump and new_key not in event_keys[1]: # todo: probably should exit with some helpful error here?
print "'%s':''," % key
continue
caps_lock_no_effect[event_keys[1][new_key]] = True
#pprint.pprint(caps_lock_no_effect)
#exit(0)
return runtime_keymaps, active_keymap_index, revert_keymap_index, active_keymap, revert_default_code, switch_layout_codes, switch_layout_mode, num_codes_to_index, caps_lock_no_effect