git.maemo.org Git - pedometerwidget/blob - pedometer_widget_home.py

   1 import gtk
   2 import cairo
   3 import hildondesktop
   4 import gobject
   5 import os
   6 import time
   7 import hildon
   8 import gnome.gconf as gconf
   9 from threading import Thread
  10
  11 #gobject.threads_init()
  12 #gtk.gdk.threads_init()
  13
  14 PATH="/apps/pedometerhomewidget"
  15 COUNTER=PATH+"/counter"
  16 TIMER=PATH+"/timer"
  17 MODE=PATH+"/mode"
  18 HEIGHT=PATH+"/height"
  19 UNIT=PATH+"/unit"
  20 ASPECT=PATH+"/aspect"
  21 LOGGING=PATH+"/logging"
  22
  23 ICONSPATH = "/opt/pedometerhomewidget/"
  24
  25 class PedoIntervalCounter:
  26     MIN_THRESHOLD = 500
  27     MIN_TIME_STEPS = 0.5
  28     x = []
  29     y = []
  30     z = []
  31     t = []
  32
  33     #TODO: check if last detected step is at the end of the interval
  34
  35     def __init__(self, coords, tval):
  36         self.x = coords[0]
  37         self.y = coords[1]
  38         self.z = coords[2]
  39         self.t = tval
  40
  41     def setThreshold(self, value):
  42         self.MIN_THRESHOLD = value
  43
  44     def setTimeSteps(self, value):
  45         self.MIN_TIME_STEPS = value
  46
  47     def calc_mean(self, vals):
  48         sum = 0
  49         for i in vals:
  50             sum+=i
  51         if len(vals) > 0:
  52             return sum / len(vals)
  53         return 0
  54
  55     def calc_stdev(self, vals):
  56         rez = 0
  57         mean = self.calc_mean(vals)
  58         for i in vals:
  59             rez+=pow(abs(mean-i),2)
  60         return math.sqrt(rez/len(vals))
  61
  62     def calc_threshold(self, vals):
  63         vmax = max(vals)
  64         vmin = min(vals)
  65         mean = self.calc_mean(vals)
  66         threshold = max (abs(mean-vmax), abs(mean-vmin))
  67         return threshold
  68
  69     def count_steps(self, vals, t):
  70         threshold = self.MIN_THRESHOLD
  71         mean = self.calc_mean(vals)
  72         cnt = 0
  73
  74         i=0
  75         while i < len(vals):
  76             if abs(vals[i] - mean) > threshold:
  77                 cnt+=1
  78                 ntime = t[i] + 0.5
  79                 while i < len(vals) and t[i] < ntime:
  80                     i+=1
  81             i+=1
  82         return cnt
  83
  84     def get_best_values(self, x, y, z):
  85         dev1 = self.calc_stdev(x)
  86         dev2 = self.calc_stdev(y)
  87         dev3 = self.calc_stdev(z)
  88         dev_max = max(dev1, dev2, dev3)
  89
  90         if ( abs(dev1 - dev_max ) < 0.001):
  91             logger.info("X chosen as best axis, stdev %f" % dev1)
  92             return x
  93         elif (abs(dev2 - dev_max) < 0.001):
  94             logger.info("Y chosen as best axis, stdev %f" % dev2)
  95             return y
  96         else:
  97             logger.info("Z chosen as best axis, stdev %f" % dev3)
  98             return z
  99
 100     def number_steps(self):
 101         vals = self.get_best_values(self.x, self.y, self.z)
 102         return self.count_steps(vals, self.t)
 103
 104 class PedoCounter(Thread):
 105     COORD_FNAME = "/sys/class/i2c-adapter/i2c-3/3-001d/coord"
 106     COORD_FNAME_SDK = "/home/andrei/pedometer-widget-0.1/date.txt"
 107     LOGFILE = "/home/user/log_pedometer"
 108     COORD_GET_INTERVAL = 0.01
 109     COUNT_INTERVAL = 5
 110
 111     STEP_LENGTH = 0.7
 112
 113     MIN_THRESHOLD = 500
 114     MIN_TIME_STEPS = 0.5
 115
 116     counter = 0
 117     stop_requested = False
 118     update_function = None
 119     logging = False
 120
 121     def __init__(self, update_function = None):
 122         Thread.__init__(self)
 123         if not os.path.exists(self.COORD_FNAME):
 124             self.COORD_FNAME = self.COORD_FNAME_SDK
 125
 126         self.update_function = update_function
 127
 128     def set_mode(self, mode):
 129         #runnig, higher threshold to prevent fake steps
 130         if mode == 1:
 131             self.MIN_THRESHOLD = 650
 132             self.MIN_TIME_STEPS = 0.35
 133         #walking
 134         else:
 135             self.MIN_THRESHOLD = 500
 136             self.MIN_TIME_STEPS = 0.5
 137         #update set length
 138         self.set_height(self.HEIGHT)
 139
 140     def set_logging(self, value):
 141         self.logging = value
 142
 143     #set height, will affect the distance
 144     def set_height(self, height_interval):
 145         if height_interval == 0:
 146             STEP_LENGTH = 0.59
 147         elif height_interval == 1:
 148             STEP_LENGTH = 0.64
 149         elif height_interval == 2:
 150             STEP_LENGTH = 0.71
 151         elif height_interval == 3:
 152             STEP_LENGTH = 0.77
 153         elif height_interval == 4:
 154             STEP_LENGTH = 0.83
 155         #increase step length if RUNNING
 156         if self.mode == 1:
 157             STEP_LENGTH *= 1.45
 158
 159     def get_rotation(self):
 160         f = open(self.COORD_FNAME, 'r')
 161         coords = [int(w) for w in f.readline().split()]
 162         f.close()
 163         return coords
 164
 165     def reset_counter(self):
 166         counter = 0
 167
 168     def get_counter(self):
 169         return counter
 170
 171     def start_interval(self):
 172         logger.info("New interval started")
 173         stime = time.time()
 174         t=[]
 175         coords = [[], [], []]
 176         while not self.stop_requested and (len(t) == 0 or t[-1] < 5):
 177             x,y,z = self.get_rotation()
 178             coords[0].append(int(x))
 179             coords[1].append(int(y))
 180             coords[2].append(int(z))
 181             now = time.time()-stime
 182             if self.logging:
 183                 self.file.write("%d %d %d %f\n" %(coords[0][-1], coords[1][-1], coords[2][-1], now))
 184
 185             t.append(now)
 186             time.sleep(self.COORD_GET_INTERVAL)
 187         pic = PedoIntervalCounter(coords, t)
 188         cnt = pic.number_steps()
 189
 190         logger.info("Number of steps detected for last interval %d, number of coords: %d" % (cnt, len(t)))
 191
 192         self.counter += cnt
 193         logger.info("Total number of steps : %d" % self.counter)
 194         return cnt
 195
 196     def request_stop(self):
 197         self.stop_requested = True
 198
 199     def run(self):
 200         logger.info("Thread started")
 201         if self.logging:
 202             fname = "%d_%d_%d_%d_%d_%d" % time.localtime()[0:6]
 203             self.file = open(self.LOGFILE + fname + ".txt", "w")
 204
 205         while 1 and not self.stop_requested:
 206             last_cnt = self.start_interval()
 207             if self.update_function is not None:
 208                 gobject.idle_add(self.update_function, self.counter, last_cnt)
 209
 210         if self.logging:
 211             self.file.close()
 212
 213         logger.info("Thread has finished")
 214
 215     def get_distance(self, steps=None):
 216         if steps == None:
 217             steps = self.counter
 218         return self.STEP_LENGTH * steps;
 219
 220 class CustomButton(hildon.Button):
 221     def __init__(self, icon):
 222         hildon.Button.__init__(self, gtk.HILDON_SIZE_AUTO_WIDTH, hildon.BUTTON_ARRANGEMENT_VERTICAL)
 223         self.icon = icon
 224         self.set_size_request(int(32*1.4), int(30*1.0))
 225         self.retval = self.connect("expose_event", self.expose)
 226
 227     def set_icon(self, icon):
 228         self.icon = icon
 229
 230     def expose(self, widget, event):
 231         self.context = widget.window.cairo_create()
 232         self.context.rectangle(event.area.x, event.area.y,
 233                             event.area.width, event.area.height)
 234
 235         self.context.clip()
 236         rect = self.get_allocation()
 237         self.context.rectangle(rect.x, rect.y, rect.width, rect.height)
 238         self.context.set_source_rgba(1, 1, 1, 0)
 239
 240         style = self.rc_get_style()
 241         color = style.lookup_color("DefaultBackgroundColor")
 242         if self.state == gtk.STATE_ACTIVE:
 243             style = self.rc_get_style()
 244             color = style.lookup_color("SelectionColor")
 245             self.context.set_source_rgba (color.red/65535.0, color.green/65335.0, color.blue/65535.0, 0.75);
 246         self.context.fill()
 247
 248         #img = cairo.ImageSurface.create_from_png(self.icon)
 249
 250         #self.context.set_source_surface(img)
 251         #self.context.set_source_surface(img, rect.width/2 - img.get_width() /2, 0)
 252         img = gtk.Image()
 253         img.set_from_file(self.icon)
 254         buf = img.get_pixbuf()
 255         buf =  buf.scale_simple(int(32 * 1.5), int(30 * 1.5), gtk.gdk.INTERP_BILINEAR)
 256
 257         self.context.set_source_pixbuf(buf, rect.x+(event.area.width/2-15)-8, rect.y+1)
 258         self.context.scale(200,200)
 259         self.context.paint()
 260
 261         return self.retval
 262
 263 class PedometerHomePlugin(hildondesktop.HomePluginItem):
 264     button = None
 265
 266     #labels for current steps
 267     labels = ["timer", "count", "dist", "avgSpeed"]
 268     #labelsC = { "timer" : None, "count" : None, "dist" : None, "avgSpeed" : None }
 269
 270     #labels for all time steps
 271     #labelsT = { "timer" : None, "count" : None, "dist" : None, "avgSpeed" : None }
 272     labelsC = {}
 273     labelsT = {}
 274
 275     pedometer = None
 276     startTime = None
 277
 278     totalCounter = 0
 279     totalTime = 0
 280     mode = 0
 281     height = 0
 282     unit = 0
 283
 284     counter = 0
 285     time = 0
 286     aspect = 0
 287     logging = False
 288
 289     def __init__(self):
 290
 291         gtk.gdk.threads_init()
 292         #gobject.threads_init()
 293         hildondesktop.HomePluginItem.__init__(self)
 294
 295         self.client = gconf.client_get_default()
 296         try:
 297             self.totalCounter = self.client.get_int(COUNTER)
 298             self.totalTime = self.client.get_int(TIMER)
 299             self.mode = self.client.get_int(MODE)
 300             self.height = self.client.get_int(HEIGHT)
 301             self.unit = self.client.get_int(UNIT)
 302             self.aspect = self.client.get_int(ASPECT)
 303             self.logging = self.client.get_bool(LOGGING)
 304         except:
 305             self.client.set_int(COUNTER, 0)
 306             self.client.set_int(TIMER, 0)
 307             self.client.set_int(MODE, 0)
 308             self.client.set_int(HEIGHT, 0)
 309             self.client.set_int(UNIT, 0)
 310             self.client.set_int(ASPECT, 0)
 311             self.client.set_bool(LOGGING, False)
 312
 313         self.pedometer = PedoCounter(self.update_values)
 314         self.pedometer.set_mode(self.mode)
 315         self.pedometer.set_height(self.height)
 316
 317         #self.button = gtk.Button("Start")
 318         self.button = CustomButton(ICONSPATH + "play.png")
 319         self.button.connect("clicked", self.button_clicked)
 320
 321         self.create_labels(self.labelsC)
 322         self.create_labels(self.labelsT)
 323
 324         self.update_ui_values(self.labelsC, 0, 0)
 325         self.update_ui_values(self.labelsT, self.totalTime, self.totalCounter)
 326
 327         mainHBox = gtk.HBox(spacing=1)
 328
 329         descVBox = gtk.VBox(spacing=1)
 330         descVBox.add(self.new_label_heading())
 331         descVBox.add(self.new_label_heading("Time:"))
 332         descVBox.add(self.new_label_heading("Steps:"))
 333         descVBox.add(self.new_label_heading("Distance:"))
 334         descVBox.add(self.new_label_heading("Avg Speed:"))
 335
 336         currentVBox = gtk.VBox(spacing=1)
 337         currentVBox.add(self.new_label_heading("Current"))
 338         currentVBox.add(self.labelsC["timer"])
 339         currentVBox.add(self.labelsC["count"])
 340         currentVBox.add(self.labelsC["dist"])
 341         currentVBox.add(self.labelsC["avgSpeed"])
 342         self.currentBox = currentVBox
 343
 344         totalVBox = gtk.VBox(spacing=1)
 345         totalVBox.add(self.new_label_heading("Total"))
 346         totalVBox.add(self.labelsT["timer"])
 347         totalVBox.add(self.labelsT["count"])
 348         totalVBox.add(self.labelsT["dist"])
 349         totalVBox.add(self.labelsT["avgSpeed"])
 350         self.totalBox = totalVBox
 351
 352         buttonVBox = gtk.VBox(spacing=1)
 353         buttonVBox.add(self.new_label_heading(""))
 354         buttonVBox.add(self.button)
 355         buttonVBox.add(self.new_label_heading(""))
 356
 357         mainHBox.add(buttonVBox)
 358         mainHBox.add(descVBox)
 359         mainHBox.add(currentVBox)
 360         mainHBox.add(totalVBox)
 361
 362         self.mainhbox = mainHBox
 363
 364         mainHBox.show_all()
 365         self.add(mainHBox)
 366         self.update_aspect()
 367
 368         self.connect("unrealize", self.close_requested)
 369         self.set_settings(True)
 370         self.connect("show-settings", self.show_settings)
 371
 372     def new_label_heading(self, title=""):
 373         l = gtk.Label(title)
 374         hildon.hildon_helper_set_logical_font(l, "SmallSystemFont")
 375         return l
 376
 377     def create_labels(self, new_labels):
 378         for label in self.labels:
 379             l = gtk.Label()
 380             hildon.hildon_helper_set_logical_font(l, "SmallSystemFont")
 381             hildon.hildon_helper_set_logical_color(l, gtk.RC_FG, gtk.STATE_NORMAL, "ActiveTextColor")
 382             new_labels[label] = l
 383
 384     def update_aspect(self):
 385         if self.aspect == 0:
 386             self.currentBox.show_all()
 387             self.totalBox.show_all()
 388         elif self.aspect == 1:
 389             self.currentBox.show_all()
 390             self.totalBox.hide_all()
 391         else:
 392             self.currentBox.hide_all()
 393             self.totalBox.show_all()
 394
 395     def update_ui_values(self, labels, timer, steps):
 396         def get_str_distance(meters):
 397             if meters > 1000:
 398                 if self.unit == 0:
 399                     return "%.2f km" % (meters/1000)
 400                 else:
 401                     return "%.2f mi" % (meters/1609.344)
 402             else:
 403                 if self.unit == 0:
 404                     return "%d m" % meters
 405                 else:
 406                     return "%d ft" % int(meters*3.2808)
 407
 408         def get_avg_speed(timer, dist):
 409             suffix = ""
 410             conv = 0
 411             if self.unit:
 412                 suffix = "mi/h"
 413                 conv = 2.23693629
 414             else:
 415                 suffix = "km/h"
 416                 conv = 3.6
 417
 418             if timer == 0:
 419                 return "N/A " + suffix
 420             speed = 1.0 *dist / timer
 421             #convert from meters per second to km/h or mi/h
 422             speed *= conv
 423             return "%.2f %s" % (speed, suffix)
 424
 425         tdelta = timer
 426         hours = int(tdelta / 3600)
 427         tdelta -= 3600 * hours
 428         mins = int(tdelta / 60)
 429         tdelta -= 60 * mins
 430         secs = int(tdelta)
 431
 432         strtime = "%.2d:%.2d:%.2d" % ( hours, mins, secs)
 433
 434         labels["timer"].set_label(strtime)
 435         labels["count"].set_label(str(steps))
 436
 437         dist = self.pedometer.get_distance(steps)
 438
 439         labels["dist"].set_label(get_str_distance(dist))
 440         labels["avgSpeed"].set_label(get_avg_speed(timer, dist))
 441
 442     def update_current(self):
 443         self.update_ui_values(self.labelsC, self.time, self.counter)
 444
 445     def update_total(self):
 446         self.update_ui_values(self.labelsT, self.totalTime, self.totalCounter)
 447
 448     def show_settings(self, widget):
 449         def reset_total_counter(arg):
 450             widget.totalCounter = 0
 451             widget.totalTime = 0
 452             widget.update_total()
 453             hildon.hildon_banner_show_information(self,"None", "Total counter was resetted")
 454
 455         def selector_changed(selector, data):
 456             widget.mode = selector.get_active(0)
 457             widget.client.set_int(MODE, widget.mode)
 458
 459         def selectorH_changed(selector, data):
 460             widget.height = selectorH.get_active(0)
 461             widget.client.set_int(HEIGHT, widget.height)
 462
 463         def selectorUnit_changed(selector, data):
 464             widget.unit = selectorUnit.get_active(0)
 465             widget.client.set_int(UNIT, widget.unit)
 466             widget.update_current()
 467             widget.update_total()
 468
 469         def selectorUI_changed(selector, data):
 470             widget.aspect = selectorUI.get_active(0)
 471             widget.client.set_int(ASPECT, widget.aspect)
 472             widget.update_aspect()
 473
 474         def logButton_changed(checkButton):
 475             widget.logging = checkButton.get_active()
 476             widget.client.set_bool(LOGGING, widget.logging)
 477
 478         dialog = gtk.Dialog()
 479         dialog.set_transient_for(self)
 480         dialog.set_title("Settings")
 481
 482         dialog.add_button("OK", gtk.RESPONSE_OK)
 483         button = hildon.Button(gtk.HILDON_SIZE_AUTO_WIDTH | gtk.HILDON_SIZE_FINGER_HEIGHT, hildon.BUTTON_ARRANGEMENT_VERTICAL)
 484         button.set_title("Reset total counter")
 485         button.set_alignment(0, 0.8, 1, 1)
 486         button.connect("clicked", reset_total_counter)
 487
 488         selector = hildon.TouchSelector(text=True)
 489         selector.set_column_selection_mode(hildon.TOUCH_SELECTOR_SELECTION_MODE_SINGLE)
 490         selector.append_text("Walk")
 491         selector.append_text("Run")
 492         selector.connect("changed", selector_changed)
 493
 494         modePicker = hildon.PickerButton(gtk.HILDON_SIZE_AUTO_WIDTH | gtk.HILDON_SIZE_FINGER_HEIGHT, hildon.BUTTON_ARRANGEMENT_VERTICAL)
 495         modePicker.set_alignment(0.0, 0.5, 1.0, 1.0)
 496         modePicker.set_title("Select mode")
 497         modePicker.set_selector(selector)
 498         modePicker.set_active(widget.mode)
 499
 500         selectorH = hildon.TouchSelector(text=True)
 501         selectorH.set_column_selection_mode(hildon.TOUCH_SELECTOR_SELECTION_MODE_SINGLE)
 502         selectorH.append_text("< 1.50 m")
 503         selectorH.append_text("1.50 - 1.65 m")
 504         selectorH.append_text("1.66 - 1.80 m")
 505         selectorH.append_text("1.81 - 1.95 m")
 506         selectorH.append_text(" > 1.95 m")
 507         selectorH.connect("changed", selectorH_changed)
 508
 509         heightPicker = hildon.PickerButton(gtk.HILDON_SIZE_AUTO_WIDTH | gtk.HILDON_SIZE_FINGER_HEIGHT, hildon.BUTTON_ARRANGEMENT_VERTICAL)
 510         heightPicker.set_alignment(0.0, 0.5, 1.0, 1.0)
 511         heightPicker.set_title("Select height")
 512         heightPicker.set_selector(selectorH)
 513         heightPicker.set_active(widget.height)
 514
 515         selectorUnit = hildon.TouchSelector(text=True)
 516         selectorUnit.set_column_selection_mode(hildon.TOUCH_SELECTOR_SELECTION_MODE_SINGLE)
 517         selectorUnit.append_text("Metric (km)")
 518         selectorUnit.append_text("English (mi)")
 519         selectorUnit.connect("changed", selectorUnit_changed)
 520
 521         unitPicker = hildon.PickerButton(gtk.HILDON_SIZE_AUTO_WIDTH | gtk.HILDON_SIZE_FINGER_HEIGHT, hildon.BUTTON_ARRANGEMENT_VERTICAL)
 522         unitPicker.set_alignment(0.0, 0.5, 1.0, 1.0)
 523         unitPicker.set_title("Units")
 524         unitPicker.set_selector(selectorUnit)
 525         unitPicker.set_active(widget.unit)
 526
 527         selectorUI = hildon.TouchSelector(text=True)
 528         selectorUI = hildon.TouchSelector(text=True)
 529         selectorUI.set_column_selection_mode(hildon.TOUCH_SELECTOR_SELECTION_MODE_SINGLE)
 530         selectorUI.append_text("Show current + total")
 531         selectorUI.append_text("Show only current")
 532         selectorUI.append_text("Show only total")
 533         selectorUI.connect("changed", selectorUI_changed)
 534
 535         UIPicker = hildon.PickerButton(gtk.HILDON_SIZE_AUTO_WIDTH | gtk.HILDON_SIZE_FINGER_HEIGHT, hildon.BUTTON_ARRANGEMENT_VERTICAL)
 536         UIPicker.set_alignment(0.0, 0.5, 1.0, 1.0)
 537         UIPicker.set_title("Widget aspect")
 538         UIPicker.set_selector(selectorUI)
 539         UIPicker.set_active(widget.aspect)
 540
 541         logButton = hildon.CheckButton(gtk.HILDON_SIZE_AUTO_WIDTH | gtk.HILDON_SIZE_FINGER_HEIGHT)
 542         logButton.set_label("Log data")
 543         logButton.set_active(widget.logging)
 544         logButton.connect("toggled", logButton_changed)
 545
 546         dialog.vbox.add(button)
 547         dialog.vbox.add(modePicker)
 548         dialog.vbox.add(heightPicker)
 549         dialog.vbox.add(unitPicker)
 550         dialog.vbox.add(UIPicker)
 551         dialog.vbox.add(logButton)
 552
 553         dialog.show_all()
 554         response = dialog.run()
 555         hildon.hildon_banner_show_information(self, "None", "You have to Stop/Start the counter to apply the new settings")
 556         dialog.destroy()
 557
 558     def close_requested(self, widget):
 559         if self.pedometer is None:
 560             return
 561
 562         self.pedometer.request_stop()
 563         if self.pedometer.isAlive():
 564             self.pedometer.join()
 565
 566     def update_values(self, totalCurent, lastInterval):
 567         self.totalCounter += lastInterval
 568         self.counter = totalCurent
 569
 570         tdelta = time.time() - self.time - self.startTime
 571         self.time += tdelta
 572         self.totalTime += tdelta
 573
 574         self.update_current()
 575         self.update_total()
 576
 577     def button_clicked(self, button):
 578         if self.pedometer is not None and self.pedometer.isAlive():
 579             #counter is running
 580             self.pedometer.request_stop()
 581             self.pedometer.join()
 582             self.client.set_int(COUNTER, self.totalCounter)
 583             self.client.set_int(TIMER, int(self.totalTime))
 584             #self.button.set_label("Start")
 585             self.button.set_icon(ICONSPATH + "play.png")
 586         else:
 587             self.pedometer = PedoCounter(self.update_values)
 588             self.pedometer.set_mode(self.mode)
 589             self.pedometer.set_height(self.height)
 590             self.pedometer.set_logging(self.logging)
 591
 592             self.time = 0
 593             self.counter = 0
 594
 595             self.update_current()
 596
 597             self.pedometer.start()
 598             self.startTime = time.time()
 599             #self.button.set_label("Stop")
 600             self.button.set_icon(ICONSPATH + "stop.png")
 601
 602     def do_expose_event(self, event):
 603         cr = self.window.cairo_create()
 604         cr.region(event.window.get_clip_region())
 605         cr.clip()
 606         #cr.set_source_rgba(0.4, 0.64, 0.564, 0.5)
 607         style = self.rc_get_style()
 608         color = style.lookup_color("DefaultBackgroundColor")
 609         cr.set_source_rgba (color.red/65535.0, color.green/65335.0, color.blue/65535.0, 0.75);
 610
 611         radius = 5
 612         width = self.allocation.width
 613         height = self.allocation.height
 614
 615         x = self.allocation.x
 616         y = self.allocation.y
 617
 618         cr.move_to(x+radius, y)
 619         cr.line_to(x + width - radius, y)
 620         cr.curve_to(x + width - radius, y, x + width, y, x + width, y + radius)
 621         cr.line_to(x + width, y + height - radius)
 622         cr.curve_to(x + width, y + height - radius, x + width, y + height, x + width - radius, y + height)
 623         cr.line_to(x + radius, y + height)
 624         cr.curve_to(x + radius, y + height, x, y + height, x, y + height - radius)
 625         cr.line_to(x, y + radius)
 626         cr.curve_to(x, y + radius, x, y, x + radius, y)
 627
 628         cr.set_operator(cairo.OPERATOR_SOURCE)
 629         cr.fill_preserve()
 630
 631         color = style.lookup_color("ActiveTextColor")
 632         cr.set_source_rgba (color.red/65535.0, color.green/65335.0, color.blue/65535.0, 0.5);
 633         cr.set_line_width(1)
 634         cr.stroke()
 635
 636         hildondesktop.HomePluginItem.do_expose_event(self, event)
 637
 638     def do_realize(self):
 639         screen = self.get_screen()
 640         self.set_colormap(screen.get_rgba_colormap())
 641         self.set_app_paintable(True)
 642         hildondesktop.HomePluginItem.do_realize(self)
 643
 644 hd_plugin_type = PedometerHomePlugin
 645
 646 # The code below is just for testing purposes.
 647 # It allows to run the widget as a standalone process.
 648 if __name__ == "__main__":
 649     import gobject
 650     gobject.type_register(hd_plugin_type)
 651     obj = gobject.new(hd_plugin_type, plugin_id="plugin_id")
 652     obj.show_all()
 653     gtk.main()
 654
 655 ############### old pedometer.py ###
 656 import math
 657 import logging
 658
 659 from threading import Thread
 660
 661 logger = logging.getLogger("pedometer")
 662 logger.setLevel(logging.INFO)
 663
 664 ch = logging.StreamHandler()
 665 formatter = logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s")
 666 ch.setFormatter(formatter)
 667 logger.addHandler(ch)
 668