3 from __future__ import with_statement
20 def get_screen_orientation():
21 width, height = gtk.gdk.get_default_root_window().get_size()
23 return gtk.ORIENTATION_VERTICAL
25 return gtk.ORIENTATION_HORIZONTAL
28 def orientation_change_connect(handler, *args):
30 @param handler(orientation, *args) -> None(?)
32 initialScreenOrientation = get_screen_orientation()
33 orientationAndArgs = list(itertools.chain((initialScreenOrientation, ), args))
35 def _on_screen_size_changed(screen):
36 newScreenOrientation = get_screen_orientation()
37 if newScreenOrientation != orientationAndArgs[0]:
38 orientationAndArgs[0] = newScreenOrientation
39 handler(*orientationAndArgs)
41 rootScreen = gtk.gdk.get_default_root_window()
42 return gtk.connect(rootScreen, "size-changed", _on_screen_size_changed)
45 @contextlib.contextmanager
46 def flock(path, timeout=-1):
53 while timeSpent <= timeout or timeout == WAIT_FOREVER:
55 fd = os.open(path, os.O_CREAT | os.O_EXCL | os.O_RDWR)
59 if e.errno != errno.EEXIST:
64 assert acquired, "Failed to grab file-lock %s within timeout %d" % (path, timeout)
72 @contextlib.contextmanager
74 gtk.gdk.threads_enter()
78 gtk.gdk.threads_leave()
81 def find_parent_window(widget):
83 parent = widget.get_parent()
84 if isinstance(parent, gtk.Window):
91 Decorator that makes a generator-function into a function that will continue execution on next call
95 @functools.wraps(func)
96 def decorated_func(*args, **kwds):
98 a.append(func(*args, **kwds))
102 except StopIteration:
106 return decorated_func
109 def asynchronous_gtk_message(original_func):
111 @note Idea came from http://www.aclevername.com/articles/python-webgui/
114 def execute(allArgs):
115 args, kwargs = allArgs
117 original_func(*args, **kwargs)
120 @functools.wraps(original_func)
121 def delayed_func(*args, **kwargs):
122 gobject.idle_add(execute, (args, kwargs))
127 def synchronous_gtk_message(original_func):
129 @note Idea came from http://www.aclevername.com/articles/python-webgui/
132 @functools.wraps(original_func)
133 def immediate_func(*args, **kwargs):
135 return original_func(*args, **kwargs)
137 return immediate_func
143 ... def grep_sink(pattern):
144 ... print "Looking for %s" % pattern
147 ... if pattern in line:
149 >>> g = grep_sink("python")
151 >>> g.send("Yeah but no but yeah but no")
152 >>> g.send("A series of tubes")
153 >>> g.send("python generators rock!")
154 python generators rock!
158 @functools.wraps(func)
159 def start(*args, **kwargs):
160 cr = func(*args, **kwargs)
168 def printer_sink(format = "%s"):
170 >>> pr = printer_sink("%r")
177 >>> p = printer_sink()
182 >>> # p.throw(RuntimeError, "Goodbye")
188 print format % (item, )
194 Good for uses like with cochain to pick up any slack
201 def comap(function, target):
203 >>> p = printer_sink()
204 >>> cm = comap(lambda x: x+1, p)
215 mappedItem = function(*item)
216 target.send(mappedItem)
218 target.throw(e.__class__, e.message)
221 def _flush_queue(queue):
222 while not queue.empty():
227 def queue_sink(queue):
229 >>> q = Queue.Queue()
230 >>> qs = queue_sink(q)
233 >>> qs.throw(RuntimeError, "Goodbye")
236 >>> print [i for i in _flush_queue(q)]
237 [(None, 'Hello'), (None, 'World'), (<type 'exceptions.RuntimeError'>, 'Goodbye'), (None, 'Meh'), (<type 'exceptions.GeneratorExit'>, None)]
242 queue.put((None, item))
244 queue.put((e.__class__, str(e)))
245 except GeneratorExit:
246 queue.put((GeneratorExit, None))
250 def decode_item(item, target):
254 elif item[0] is GeneratorExit:
258 target.throw(item[0], item[1])
262 def nonqueue_source(queue, target):
266 isDone = decode_item(item, target)
267 while not queue.empty():
271 def threaded_stage(target, thread_factory = threading.Thread):
272 messages = Queue.Queue()
274 run_source = functools.partial(nonqueue_source, messages, target)
275 thread = thread_factory(target=run_source)
276 thread.setDaemon(True)
279 # Sink running in current thread
280 return queue_sink(messages)
283 class LoginWindow(object):
285 def __init__(self, widgetTree):
287 @note Thread agnostic
289 self._dialog = widgetTree.get_widget("loginDialog")
290 self._parentWindow = widgetTree.get_widget("mainWindow")
291 self._serviceCombo = widgetTree.get_widget("serviceCombo")
292 self._usernameEntry = widgetTree.get_widget("usernameentry")
293 self._passwordEntry = widgetTree.get_widget("passwordentry")
295 self._serviceList = gtk.ListStore(gobject.TYPE_INT, gobject.TYPE_STRING)
296 self._serviceCombo.set_model(self._serviceList)
297 cell = gtk.CellRendererText()
298 self._serviceCombo.pack_start(cell, True)
299 self._serviceCombo.add_attribute(cell, 'text', 1)
300 self._serviceCombo.set_active(0)
303 "on_loginbutton_clicked": self._on_loginbutton_clicked,
304 "on_loginclose_clicked": self._on_loginclose_clicked,
306 widgetTree.signal_autoconnect(callbackMapping)
308 def request_credentials(self,
310 defaultCredentials = ("", "")
315 if parentWindow is None:
316 parentWindow = self._parentWindow
318 self._serviceCombo.hide()
319 self._serviceList.clear()
321 self._usernameEntry.set_text(defaultCredentials[0])
322 self._passwordEntry.set_text(defaultCredentials[1])
325 self._dialog.set_transient_for(parentWindow)
326 self._dialog.set_default_response(gtk.RESPONSE_OK)
327 response = self._dialog.run()
328 if response != gtk.RESPONSE_OK:
329 raise RuntimeError("Login Cancelled")
331 username = self._usernameEntry.get_text()
332 password = self._passwordEntry.get_text()
333 self._passwordEntry.set_text("")
337 return username, password
339 def request_credentials_from(self,
342 defaultCredentials = ("", "")
347 if parentWindow is None:
348 parentWindow = self._parentWindow
350 self._serviceList.clear()
351 for serviceIdserviceName in services:
352 self._serviceList.append(serviceIdserviceName)
353 self._serviceCombo.set_active(0)
354 self._serviceCombo.show()
356 self._usernameEntry.set_text(defaultCredentials[0])
357 self._passwordEntry.set_text(defaultCredentials[1])
360 self._dialog.set_transient_for(parentWindow)
361 self._dialog.set_default_response(gtk.RESPONSE_OK)
362 response = self._dialog.run()
363 if response != gtk.RESPONSE_OK:
364 raise RuntimeError("Login Cancelled")
366 username = self._usernameEntry.get_text()
367 password = self._passwordEntry.get_text()
371 itr = self._serviceCombo.get_active_iter()
372 serviceId = int(self._serviceList.get_value(itr, 0))
373 self._serviceList.clear()
374 return serviceId, username, password
376 def _on_loginbutton_clicked(self, *args):
377 self._dialog.response(gtk.RESPONSE_OK)
379 def _on_loginclose_clicked(self, *args):
380 self._dialog.response(gtk.RESPONSE_CANCEL)
383 def safecall(f, errorDisplay=None, default=None, exception=Exception):
385 Returns modified f. When the modified f is called and throws an
386 exception, the default value is returned
388 def _safecall(*args, **argv):
390 return f(*args,**argv)
392 if errorDisplay is not None:
393 errorDisplay.push_exception(e)
398 class ErrorDisplay(object):
400 def __init__(self, widgetTree):
401 super(ErrorDisplay, self).__init__()
402 self.__errorBox = widgetTree.get_widget("errorEventBox")
403 self.__errorDescription = widgetTree.get_widget("errorDescription")
404 self.__errorClose = widgetTree.get_widget("errorClose")
405 self.__parentBox = self.__errorBox.get_parent()
407 self.__errorBox.connect("button_release_event", self._on_close)
410 self.__parentBox.remove(self.__errorBox)
412 def push_message_with_lock(self, message):
414 self.push_message(message)
416 def push_message(self, message):
417 self.__messages.append(message)
418 if 1 == len(self.__messages):
419 self.__show_message(message)
421 def push_exception_with_lock(self):
423 self.push_exception()
425 def push_exception(self):
426 userMessage = str(sys.exc_value)
427 self.push_message(userMessage)
428 logging.exception(userMessage)
430 def pop_message(self):
431 del self.__messages[0]
432 if 0 == len(self.__messages):
433 self.__hide_message()
435 self.__errorDescription.set_text(self.__messages[0])
437 def _on_close(self, *args):
440 def __show_message(self, message):
441 self.__errorDescription.set_text(message)
442 self.__parentBox.pack_start(self.__errorBox, False, False)
443 self.__parentBox.reorder_child(self.__errorBox, 1)
445 def __hide_message(self):
446 self.__errorDescription.set_text("")
447 self.__parentBox.remove(self.__errorBox)
450 class DummyErrorDisplay(object):
453 super(DummyErrorDisplay, self).__init__()
457 def push_message_with_lock(self, message):
458 self.push_message(message)
460 def push_message(self, message):
461 if 0 < len(self.__messages):
462 self.__messages.append(message)
464 self.__show_message(message)
466 def push_exception(self, exception = None):
467 userMessage = str(sys.exc_value)
468 logging.exception(userMessage)
470 def pop_message(self):
471 if 0 < len(self.__messages):
472 self.__show_message(self.__messages[0])
473 del self.__messages[0]
475 def __show_message(self, message):
476 logging.debug(message)
479 class MessageBox(gtk.MessageDialog):
481 def __init__(self, message):
483 gtk.MessageDialog.__init__(
486 gtk.DIALOG_MODAL|gtk.DIALOG_DESTROY_WITH_PARENT,
491 self.set_default_response(gtk.RESPONSE_OK)
492 self.connect('response', self._handle_clicked)
494 def _handle_clicked(self, *args):
498 class MessageBox2(gtk.MessageDialog):
500 def __init__(self, message):
502 gtk.MessageDialog.__init__(
505 gtk.DIALOG_DESTROY_WITH_PARENT,
510 self.set_default_response(gtk.RESPONSE_OK)
511 self.connect('response', self._handle_clicked)
513 def _handle_clicked(self, *args):
517 class PopupCalendar(object):
519 def __init__(self, parent, displayDate, title = ""):
520 self._displayDate = displayDate
522 self._calendar = gtk.Calendar()
523 self._calendar.select_month(self._displayDate.month, self._displayDate.year)
524 self._calendar.select_day(self._displayDate.day)
525 self._calendar.set_display_options(
526 gtk.CALENDAR_SHOW_HEADING |
527 gtk.CALENDAR_SHOW_DAY_NAMES |
528 gtk.CALENDAR_NO_MONTH_CHANGE |
531 self._calendar.connect("day-selected", self._on_day_selected)
533 self._popupWindow = gtk.Window()
534 self._popupWindow.set_title(title)
535 self._popupWindow.add(self._calendar)
536 self._popupWindow.set_transient_for(parent)
537 self._popupWindow.set_modal(True)
538 self._popupWindow.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
539 self._popupWindow.set_skip_pager_hint(True)
540 self._popupWindow.set_skip_taskbar_hint(True)
543 self._popupWindow.show_all()
545 def _on_day_selected(self, *args):
547 self._calendar.select_month(self._displayDate.month, self._displayDate.year)
548 self._calendar.select_day(self._displayDate.day)
550 logging.exception(e.message)
553 class QuickAddView(object):
555 def __init__(self, widgetTree, errorDisplay, signalSink, prefix):
556 self._errorDisplay = errorDisplay
558 self._signalSink = signalSink
560 self._clipboard = gtk.clipboard_get()
562 self._taskNameEntry = widgetTree.get_widget(prefix+"-nameEntry")
563 self._addTaskButton = widgetTree.get_widget(prefix+"-addButton")
564 self._pasteTaskNameButton = widgetTree.get_widget(prefix+"-pasteNameButton")
565 self._clearTaskNameButton = widgetTree.get_widget(prefix+"-clearNameButton")
567 self._onAddClickedId = None
568 self._onAddReleasedId = None
569 self._addToEditTimerId = None
570 self._onClearId = None
571 self._onPasteId = None
573 def enable(self, manager):
574 self._manager = manager
576 self._onAddId = self._addTaskButton.connect("clicked", self._on_add)
577 self._onAddClickedId = self._addTaskButton.connect("pressed", self._on_add_pressed)
578 self._onAddReleasedId = self._addTaskButton.connect("released", self._on_add_released)
579 self._onPasteId = self._pasteTaskNameButton.connect("clicked", self._on_paste)
580 self._onClearId = self._clearTaskNameButton.connect("clicked", self._on_clear)
585 self._addTaskButton.disconnect(self._onAddId)
586 self._addTaskButton.disconnect(self._onAddClickedId)
587 self._addTaskButton.disconnect(self._onAddReleasedId)
588 self._pasteTaskNameButton.disconnect(self._onPasteId)
589 self._clearTaskNameButton.disconnect(self._onClearId)
591 def set_addability(self, addability):
592 self._addTaskButton.set_sensitive(addability)
594 def _on_add(self, *args):
596 name = self._taskNameEntry.get_text()
597 self._taskNameEntry.set_text("")
599 self._signalSink.stage.send(("add", name))
601 self._errorDisplay.push_exception()
603 def _on_add_edit(self, *args):
605 name = self._taskNameEntry.get_text()
606 self._taskNameEntry.set_text("")
608 self._signalSink.stage.send(("add-edit", name))
610 self._errorDisplay.push_exception()
612 def _on_add_pressed(self, widget):
614 self._addToEditTimerId = gobject.timeout_add(1000, self._on_add_edit)
616 self._errorDisplay.push_exception()
618 def _on_add_released(self, widget):
620 if self._addToEditTimerId is not None:
621 gobject.source_remove(self._addToEditTimerId)
622 self._addToEditTimerId = None
624 self._errorDisplay.push_exception()
626 def _on_paste(self, *args):
628 entry = self._taskNameEntry.get_text()
629 addedText = self._clipboard.wait_for_text()
632 self._taskNameEntry.set_text(entry)
634 self._errorDisplay.push_exception()
636 def _on_clear(self, *args):
638 self._taskNameEntry.set_text("")
640 self._errorDisplay.push_exception()
643 class TapOrHold(object):
645 def __init__(self, widget):
646 self._widget = widget
648 self._isPointerInside = True
649 self._holdTimeoutId = None
650 self._tapTimeoutId = None
659 self._bpeId = self._widget.connect("button-press-event", self._on_button_press)
660 self._breId = self._widget.connect("button-release-event", self._on_button_release)
661 self._eneId = self._widget.connect("enter-notify-event", self._on_enter)
662 self._lneId = self._widget.connect("leave-notify-event", self._on_leave)
665 self._widget.disconnect(self._bpeId)
666 self._widget.disconnect(self._breId)
667 self._widget.disconnect(self._eneId)
668 self._widget.disconnect(self._lneId)
670 def on_tap(self, taps):
673 def on_hold(self, taps):
676 def on_holding(self):
682 def _on_button_press(self, *args):
683 # Hack to handle weird notebook behavior
684 self._isPointerInside = True
687 if self._tapTimeoutId is not None:
688 gobject.source_remove(self._tapTimeoutId)
689 self._tapTimeoutId = None
692 if self._holdTimeoutId is None:
693 self._tapTimeoutId = None
696 self._holdTimeoutId = gobject.timeout_add(1000, self._on_hold_timeout)
700 def _on_button_release(self, *args):
701 assert self._tapTimeoutId is None
702 # Handle release after timeout if user hasn't double-clicked
703 self._tapTimeoutId = gobject.timeout_add(100, self._on_tap_timeout)
705 def _on_actual_press(self, *args):
706 if self._holdTimeoutId is not None:
707 gobject.source_remove(self._holdTimeoutId)
708 self._holdTimeoutId = None
710 if self._isPointerInside:
712 self.on_tap(self._taps)
714 self.on_hold(self._taps)
718 def _on_tap_timeout(self, *args):
719 self._tapTimeoutId = None
720 self._on_actual_press()
723 def _on_hold_timeout(self, *args):
724 self._holdTimeoutId = None
729 def _on_enter(self, *args):
730 self._isPointerInside = True
732 def _on_leave(self, *args):
733 self._isPointerInside = False
736 if __name__ == "__main__":
739 cal = PopupCalendar(None, datetime.datetime.now())
740 cal._popupWindow.connect("destroy", lambda w: gtk.main_quit())