helpers.py

   1 # -*- coding: utf-8 -*-
   2 from pygame import *
   3
   4 class Action:
   5     action_types = [
   6         'pause',
   7         'play',
   8         'run',
   9         'stop',
  10         'volume',
  11         'wait',
  12     ]
  13
  14     def __init__(self, action, **kwargs):
  15         if action in self.action_types:
  16             self.action = action
  17         else:
  18             raise Exception("Unknown action {}".format(action))
  19
  20         self.arguments = kwargs
  21
  22     def run(self, callback):
  23         getattr(self, self.action)(callback, **self.arguments)
  24
  25     def stop(self, callback, musique = None, fade_out = 0):
  26         print('stopping')
  27         return callback()
  28
  29 class Key:
  30     row_positions = {
  31         'first':    5,
  32         'second':  55,
  33         'third':  105,
  34         'fourth': 155,
  35         'fifth':  205,
  36         'sixth':  255,
  37     }
  38
  39     default_outer_color = (120, 120, 120)
  40     lighter_outer_color = (200, 200, 200)
  41     default_inner_color = (255, 255, 255)
  42     mapped_inner_color  = (  0, 255,   0)
  43
  44     def __init__(self, key_name, key_sym, top, left, width = 48, height = 48, disabled = False):
  45         self.key_name = key_name
  46         self.key_sym  = key_sym
  47
  48         if isinstance(top, str):
  49             self.top = self.row_positions[top]
  50         else:
  51             self.top = top
  52
  53         self.left   = left
  54         self.width  = width
  55         self.height = height
  56
  57         self.bottom = self.top  + self.height
  58         self.right  = self.left + self.width
  59
  60         self.rect     = (self.left, self.top, self.right, self.bottom)
  61         self.position = (self.left, self.top)
  62
  63         if disabled:
  64             self.outer_color = self.lighter_outer_color
  65             self.linewidth = 1
  66         else:
  67             self.outer_color = self.default_outer_color
  68             self.linewidth = 3
  69
  70         self.inner_color = self.default_inner_color
  71         self.actions = []
  72
  73     def square(self):
  74         if self.has_action():
  75             self.inner_color = self.mapped_inner_color
  76
  77         return RoundedRect((0, 0, self.width, self.height),
  78             self.outer_color, self.inner_color, self.linewidth)
  79
  80     def collidepoint(self, position):
  81         return self.surface.get_rect().collidepoint(
  82                 position[0] - self.position[0],
  83                 position[1] - self.position[1]
  84                 )
  85
  86     def draw(self, background_surface):
  87         self.surface = self.square().surface()
  88
  89         police = font.Font(None, 20)
  90         text = police.render(self.key_sym, True, (0,0,0))
  91         self.surface.blit(text, (5,5))
  92         background_surface.blit(self.surface, self.position)
  93
  94     def has_action(self):
  95         return len(self.actions) > 0
  96
  97     def add_action(self, action_name, **arguments):
  98         self.actions.append(Action(action_name, **arguments))
  99
 100     def next_action(self):
 101         print("running next action")
 102
 103     def do_actions(self):
 104         self.current_action = 0
 105         print("running actions for {}".format(self.key_sym))
 106         if len(self.actions) > 0:
 107             self.actions[0].run(self.next_action)
 108
 109     def find_from_unicode(key_sym):
 110         for key in Mapping.KEYS:
 111             if Mapping.KEYS[key].key_sym == key_sym:
 112                 return Mapping.KEYS[key]
 113         return None
 114
 115 class Mapping:
 116     KEYS = {
 117         K_ESCAPE: Key(K_ESCAPE, 'ESC', 'first',   0),
 118
 119         K_F1:     Key(K_F1,     'F1',  'first', 100),
 120         K_F2:     Key(K_F2,     'F2',  'first', 150),
 121         K_F3:     Key(K_F3,     'F3',  'first', 200),
 122         K_F4:     Key(K_F4,     'F4',  'first', 250),
 123
 124         K_F5:     Key(K_F5,     'F5',  'first', 325),
 125         K_F6:     Key(K_F6,     'F6',  'first', 375),
 126         K_F7:     Key(K_F7,     'F7',  'first', 425),
 127         K_F8:     Key(K_F8,     'F8',  'first', 475),
 128
 129         K_F9:     Key(K_F9,     'F9',  'first', 550),
 130         K_F10:    Key(K_F10,    'F10', 'first', 600),
 131         K_F11:    Key(K_F11,    'F11', 'first', 650),
 132         K_F12:    Key(K_F12,    'F12', 'first', 700),
 133
 134
 135         178:          Key(178,          '²', 'second',   0),
 136         K_AMPERSAND:  Key(K_AMPERSAND,  '&', 'second',  50),
 137         233:          Key(233,          'é', 'second', 100),
 138         K_QUOTEDBL:   Key(K_QUOTEDBL,   '"', 'second', 150),
 139         K_QUOTE:      Key(K_QUOTE,      "'", 'second', 200),
 140         K_LEFTPAREN:  Key(K_LEFTPAREN,  '(', 'second', 250),
 141         K_MINUS:      Key(K_MINUS,      '-', 'second', 300),
 142         232:          Key(232,          'è', 'second', 350),
 143         K_UNDERSCORE: Key(K_UNDERSCORE, '_', 'second', 400),
 144         231:          Key(231,          'ç', 'second', 450),
 145         224:          Key(224,          'à', 'second', 500),
 146         K_RIGHTPAREN: Key(K_RIGHTPAREN, ')', 'second', 550),
 147         K_EQUALS:     Key(K_EQUALS,     '=', 'second', 600),
 148
 149         K_BACKSPACE:  Key(K_BACKSPACE,  '<-', 'second', 650, width = 98),
 150
 151
 152         K_TAB:        Key(K_TAB,        'tab', 'third',   0, width = 73),
 153         K_a:          Key(K_a,          'a',   'third',  75),
 154         K_z:          Key(K_z,          'z',   'third', 125),
 155         K_e:          Key(K_e,          'e',   'third', 175),
 156         K_r:          Key(K_r,          'r',   'third', 225),
 157         K_t:          Key(K_t,          't',   'third', 275),
 158         K_y:          Key(K_y,          'y',   'third', 325),
 159         K_u:          Key(K_u,          'u',   'third', 375),
 160         K_i:          Key(K_i,          'i',   'third', 425),
 161         K_o:          Key(K_o,          'o',   'third', 475),
 162         K_p:          Key(K_p,          'p',   'third', 525),
 163         K_CARET:      Key(K_CARET,      '^',   'third', 575),
 164         K_DOLLAR:     Key(K_DOLLAR,     '$',   'third', 625),
 165
 166         K_RETURN: Key(K_RETURN, 'Enter', 'third', 692, width = 56, height = 98),
 167
 168         K_CAPSLOCK: Key(K_CAPSLOCK,    'CAPS', 'fourth',  0, width = 88, disabled = True),
 169
 170         K_q:        Key(K_q,        'q', 'fourth',  90),
 171         K_s:        Key(K_s,        's', 'fourth', 140),
 172         K_d:        Key(K_d,        'd', 'fourth', 190),
 173         K_f:        Key(K_f,        'f', 'fourth', 240),
 174         K_g:        Key(K_g,        'g', 'fourth', 290),
 175         K_h:        Key(K_h,        'h', 'fourth', 340),
 176         K_j:        Key(K_j,        'j', 'fourth', 390),
 177         K_k:        Key(K_k,        'k', 'fourth', 440),
 178         K_l:        Key(K_l,        'l', 'fourth', 490),
 179         K_m:        Key(K_m,        'm', 'fourth', 540),
 180         249:        Key(249,        'ù', 'fourth', 590),
 181         K_ASTERISK: Key(K_ASTERISK, '*', 'fourth', 640),
 182
 183
 184         K_LSHIFT: Key(K_LSHIFT, 'LShift', 'fifth', 0, width = 63, disabled = True),
 185
 186         K_LESS:      Key(K_LESS,      '<', 'fifth',  65),
 187         K_w:         Key(K_w,         'w', 'fifth', 115),
 188         K_x:         Key(K_x,         'x', 'fifth', 165),
 189         K_c:         Key(K_c,         'c', 'fifth', 215),
 190         K_v:         Key(K_v,         'v', 'fifth', 265),
 191         K_b:         Key(K_b,         'b', 'fifth', 315),
 192         K_n:         Key(K_n,         'n', 'fifth', 365),
 193         K_COMMA:     Key(K_COMMA,     ',', 'fifth', 415),
 194         K_SEMICOLON: Key(K_SEMICOLON, ';', 'fifth', 465),
 195         K_COLON:     Key(K_COLON,     ':', 'fifth', 515),
 196         K_EXCLAIM:   Key(K_EXCLAIM,   '!', 'fifth', 565),
 197
 198         K_RSHIFT: Key(K_RSHIFT, 'RShift', 'fifth', 615, width = 133, disabled = True),
 199
 200         K_LCTRL:   Key(K_LCTRL,    'LCtrl',   'sixth', 0, width = 63, disabled = True),
 201         K_LSUPER:  Key(K_LSUPER,   'LSuper',  'sixth', 115, disabled = True),
 202         K_LALT:    Key(K_LALT,     'LAlt',    'sixth', 165, disabled = True),
 203         K_SPACE:   Key(K_SPACE,    'Espace',  'sixth', 215, width = 248),
 204         K_MODE:    Key(K_MODE,     'AltGr',   'sixth', 465, disabled = True),
 205         314:       Key(314,        'Compose', 'sixth', 515, disabled = True),
 206         K_RCTRL:   Key(K_RCTRL,    'RCtrl',   'sixth', 565, width = 63, disabled = True),
 207
 208
 209         K_INSERT:     Key(K_INSERT,   'ins',  'second', 755),
 210         K_HOME:       Key(K_HOME,     'home', 'second', 805),
 211         K_PAGEUP:     Key(K_PAGEUP,   'pg_u', 'second', 855),
 212         K_DELETE:     Key(K_DELETE,   'del',  'third',  755),
 213         K_END:        Key(K_END,      'end',  'third',  805),
 214         K_PAGEDOWN:   Key(K_PAGEDOWN, 'pg_d', 'third',  855),
 215
 216
 217         K_UP:         Key(K_UP,       'up',    'fifth',  805),
 218         K_DOWN:       Key(K_DOWN,     'down',  'sixth',  805),
 219         K_LEFT:       Key(K_LEFT,     'left',  'sixth',  755),
 220         K_RIGHT:      Key(K_RIGHT,    'right', 'sixth',  855),
 221     }
 222
 223 class MusicFile:
 224     def __init__(self, filename):
 225         self.filename = filename
 226
 227 class RoundedRect:
 228     def __init__(self, rect, outer_color, inner_color, linewidth = 2, radius = 0.4):
 229         self.rect        = Rect(rect)
 230         self.outer_color = Color(*outer_color)
 231         self.inner_color = Color(*inner_color)
 232         self.linewidth   = linewidth
 233         self.radius      = radius
 234
 235     def surface(self):
 236         rectangle       = self.filledRoundedRect(self.rect, self.outer_color, self.radius)
 237
 238         inner_rect      = Rect((
 239                 self.rect.left   + 2 * self.linewidth,
 240                 self.rect.top    + 2 * self.linewidth,
 241                 self.rect.right  - 2 * self.linewidth,
 242                 self.rect.bottom - 2 * self.linewidth
 243                 ))
 244
 245         inner_rectangle = self.filledRoundedRect(inner_rect, self.inner_color, self.radius)
 246
 247         rectangle.blit(inner_rectangle, (self.linewidth, self.linewidth))
 248
 249         return rectangle
 250
 251     def filledRoundedRect(self, rect, color, radius=0.4):
 252         """
 253         filledRoundedRect(rect,color,radius=0.4)
 254
 255         rect    : rectangle
 256         color   : rgb or rgba
 257         radius  : 0 <= radius <= 1
 258         """
 259
 260         alpha        = color.a
 261         color.a      = 0
 262         pos          = rect.topleft
 263         rect.topleft = 0,0
 264         rectangle    = Surface(rect.size,SRCALPHA)
 265
 266         circle       = Surface([min(rect.size)*3]*2,SRCALPHA)
 267         draw.ellipse(circle,(0,0,0),circle.get_rect(),0)
 268         circle       = transform.smoothscale(circle,[int(min(rect.size)*radius)]*2)
 269
 270         radius              = rectangle.blit(circle,(0,0))
 271         radius.bottomright  = rect.bottomright
 272         rectangle.blit(circle,radius)
 273         radius.topright     = rect.topright
 274         rectangle.blit(circle,radius)
 275         radius.bottomleft   = rect.bottomleft
 276         rectangle.blit(circle,radius)
 277
 278         rectangle.fill((0,0,0),rect.inflate(-radius.w,0))
 279         rectangle.fill((0,0,0),rect.inflate(0,-radius.h))
 280
 281         rectangle.fill(color,special_flags=BLEND_RGBA_MAX)
 282         rectangle.fill((255,255,255,alpha),special_flags=BLEND_RGBA_MIN)
 283
 284         return rectangle
 285
 286
 287 def parse_config():
 288     import yaml
 289     stream = open("config.yml", "r")
 290     config = yaml.load(stream)
 291     stream.close()
 292
 293     aliases = config['aliases']
 294     seen_files = {}
 295
 296     for mapped_key in config['keys']:
 297         key = Key.find_from_unicode(mapped_key)
 298         if key is None:
 299             continue
 300
 301         for action in config['keys'][mapped_key]:
 302             action_name = list(action)[0]
 303             action_args = {}
 304             if action[action_name] is None:
 305                 action[action_name] = []
 306
 307             for argument in action[action_name]:
 308                 if argument == 'include':
 309                     included = action[action_name]['include']
 310                     if isinstance(included, str):
 311                         action_args.update(aliases[included])
 312                     else:
 313                         for included_ in included:
 314                             action_args.update(aliases[included_])
 315                 elif argument == 'file':
 316                     filename = action[action_name]['file']
 317                     if filename not in seen_files:
 318                         seen_files[filename] = MusicFile.new(filename)
 319
 320                     action_args['file'] = seen_files[filename]
 321
 322                 else:
 323                     action_args[argument] = action[action_name][argument]
 324
 325             key.add_action(action_name, **action_args)