X-Git-Url: http://git.maemo.org/git/?p=gc-dialer;a=blobdiff_plain;f=src%2Fgtk_toolbox.py;h=7112030ff81629b6e432a210097e5bf1e8e07818;hp=1c9dd885231f7baeb6f81ca267ed435334a02e0d;hb=0320d6d2086ce89fe554d8f902531f5b00dbec94;hpb=1e47ea395118aa341e1d2c54d7c9832e5f2ecfc4

diff --git a/src/gtk_toolbox.py b/src/gtk_toolbox.py
index 1c9dd88..7112030 100644
--- a/src/gtk_toolbox.py
+++ b/src/gtk_toolbox.py
@@ -2,16 +2,76 @@
 
 from __future__ import with_statement
 
+import os
+import errno
 import sys
-import traceback
+import time
+import itertools
 import functools
 import contextlib
-import warnings
+import logging
+import threading
+import Queue
 
 import gobject
 import gtk
 
 
+_moduleLogger = logging.getLogger("gtk_toolbox")
+
+
+def get_screen_orientation():
+	width, height = gtk.gdk.get_default_root_window().get_size()
+	if width < height:
+		return gtk.ORIENTATION_VERTICAL
+	else:
+		return gtk.ORIENTATION_HORIZONTAL
+
+
+def orientation_change_connect(handler, *args):
+	"""
+	@param handler(orientation, *args) -> None(?)
+	"""
+	initialScreenOrientation = get_screen_orientation()
+	orientationAndArgs = list(itertools.chain((initialScreenOrientation, ), args))
+
+	def _on_screen_size_changed(screen):
+		newScreenOrientation = get_screen_orientation()
+		if newScreenOrientation != orientationAndArgs[0]:
+			orientationAndArgs[0] = newScreenOrientation
+			handler(*orientationAndArgs)
+
+	rootScreen = gtk.gdk.get_default_root_window()
+	return gtk.connect(rootScreen, "size-changed", _on_screen_size_changed)
+
+
+@contextlib.contextmanager
+def flock(path, timeout=-1):
+	WAIT_FOREVER = -1
+	DELAY = 0.1
+	timeSpent = 0
+
+	acquired = False
+
+	while timeSpent <= timeout or timeout == WAIT_FOREVER:
+		try:
+			fd = os.open(path, os.O_CREAT | os.O_EXCL | os.O_RDWR)
+			acquired = True
+			break
+		except OSError, e:
+			if e.errno != errno.EEXIST:
+				raise
+		time.sleep(DELAY)
+		timeSpent += DELAY
+
+	assert acquired, "Failed to grab file-lock %s within timeout %d" % (path, timeout)
+
+	try:
+		yield fd
+	finally:
+		os.unlink(path)
+
+
 @contextlib.contextmanager
 def gtk_lock():
 	gtk.gdk.threads_enter()
@@ -80,6 +140,166 @@ def synchronous_gtk_message(original_func):
 	return immediate_func
 
 
+def autostart(func):
+	"""
+	>>> @autostart
+	... def grep_sink(pattern):
+	... 	print "Looking for %s" % pattern
+	... 	while True:
+	... 		line = yield
+	... 		if pattern in line:
+	... 			print line,
+	>>> g = grep_sink("python")
+	Looking for python
+	>>> g.send("Yeah but no but yeah but no")
+	>>> g.send("A series of tubes")
+	>>> g.send("python generators rock!")
+	python generators rock!
+	>>> g.close()
+	"""
+
+	@functools.wraps(func)
+	def start(*args, **kwargs):
+		cr = func(*args, **kwargs)
+		cr.next()
+		return cr
+
+	return start
+
+
+@autostart
+def printer_sink(format = "%s"):
+	"""
+	>>> pr = printer_sink("%r")
+	>>> pr.send("Hello")
+	'Hello'
+	>>> pr.send("5")
+	'5'
+	>>> pr.send(5)
+	5
+	>>> p = printer_sink()
+	>>> p.send("Hello")
+	Hello
+	>>> p.send("World")
+	World
+	>>> # p.throw(RuntimeError, "Goodbye")
+	>>> # p.send("Meh")
+	>>> # p.close()
+	"""
+	while True:
+		item = yield
+		print format % (item, )
+
+
+@autostart
+def null_sink():
+	"""
+	Good for uses like with cochain to pick up any slack
+	"""
+	while True:
+		item = yield
+
+
+@autostart
+def comap(function, target):
+	"""
+	>>> p = printer_sink()
+	>>> cm = comap(lambda x: x+1, p)
+	>>> cm.send((0, ))
+	1
+	>>> cm.send((1.0, ))
+	2.0
+	>>> cm.send((-2, ))
+	-1
+	"""
+	while True:
+		try:
+			item = yield
+			mappedItem = function(*item)
+			target.send(mappedItem)
+		except Exception, e:
+			_moduleLogger.exception("Forwarding exception!")
+			target.throw(e.__class__, str(e))
+
+
+def _flush_queue(queue):
+	while not queue.empty():
+		yield queue.get()
+
+
+@autostart
+def queue_sink(queue):
+	"""
+	>>> q = Queue.Queue()
+	>>> qs = queue_sink(q)
+	>>> qs.send("Hello")
+	>>> qs.send("World")
+	>>> qs.throw(RuntimeError, "Goodbye")
+	>>> qs.send("Meh")
+	>>> qs.close()
+	>>> print [i for i in _flush_queue(q)]
+	[(None, 'Hello'), (None, 'World'), (<type 'exceptions.RuntimeError'>, 'Goodbye'), (None, 'Meh'), (<type 'exceptions.GeneratorExit'>, None)]
+	"""
+	while True:
+		try:
+			item = yield
+			queue.put((None, item))
+		except Exception, e:
+			queue.put((e.__class__, str(e)))
+		except GeneratorExit:
+			queue.put((GeneratorExit, None))
+			raise
+
+
+def decode_item(item, target):
+	if item[0] is None:
+		target.send(item[1])
+		return False
+	elif item[0] is GeneratorExit:
+		target.close()
+		return True
+	else:
+		target.throw(item[0], item[1])
+		return False
+
+
+def nonqueue_source(queue, target):
+	isDone = False
+	while not isDone:
+		item = queue.get()
+		isDone = decode_item(item, target)
+		while not queue.empty():
+			queue.get_nowait()
+
+
+def threaded_stage(target, thread_factory = threading.Thread):
+	messages = Queue.Queue()
+
+	run_source = functools.partial(nonqueue_source, messages, target)
+	thread = thread_factory(target=run_source)
+	thread.setDaemon(True)
+	thread.start()
+
+	# Sink running in current thread
+	return queue_sink(messages)
+
+
+def log_exception(logger):
+
+	def log_exception_decorator(func):
+
+		@functools.wraps(func)
+		def wrapper(*args, **kwds):
+			try:
+				return func(*args, **kwds)
+			except Exception:
+				logger.exception(func.__name__)
+
+		return wrapper
+
+	return log_exception_decorator
+
+
 class LoginWindow(object):
 
 	def __init__(self, widgetTree):
@@ -99,13 +319,13 @@ class LoginWindow(object):
 		self._serviceCombo.add_attribute(cell, 'text', 1)
 		self._serviceCombo.set_active(0)
 
-		callbackMapping = {
-			"on_loginbutton_clicked": self._on_loginbutton_clicked,
-			"on_loginclose_clicked": self._on_loginclose_clicked,
-		}
-		widgetTree.signal_autoconnect(callbackMapping)
+		widgetTree.get_widget("loginbutton").connect("clicked", self._on_loginbutton_clicked)
+		widgetTree.get_widget("logins_close_button").connect("clicked", self._on_loginclose_clicked)
 
-	def request_credentials(self, parentWindow = None):
+	def request_credentials(self,
+		parentWindow = None,
+		defaultCredentials = ("", "")
+	):
 		"""
 		@note UI Thread
 		"""
@@ -115,6 +335,9 @@ class LoginWindow(object):
 		self._serviceCombo.hide()
 		self._serviceList.clear()
 
+		self._usernameEntry.set_text(defaultCredentials[0])
+		self._passwordEntry.set_text(defaultCredentials[1])
+
 		try:
 			self._dialog.set_transient_for(parentWindow)
 			self._dialog.set_default_response(gtk.RESPONSE_OK)
@@ -142,7 +365,7 @@ class LoginWindow(object):
 			parentWindow = self._parentWindow
 
 		self._serviceList.clear()
-		for serviceIdserviceName in services.iteritems():
+		for serviceIdserviceName in services:
 			self._serviceList.append(serviceIdserviceName)
 		self._serviceCombo.set_active(0)
 		self._serviceCombo.show()
@@ -174,6 +397,21 @@ class LoginWindow(object):
 		self._dialog.response(gtk.RESPONSE_CANCEL)
 
 
+def safecall(f, errorDisplay=None, default=None, exception=Exception):
+	'''
+	Returns modified f. When the modified f is called and throws an
+	exception, the default value is returned
+	'''
+	def _safecall(*args, **argv):
+		try:
+			return f(*args,**argv)
+		except exception, e:
+			if errorDisplay is not None:
+				errorDisplay.push_exception(e)
+			return default
+	return _safecall
+
+
 class ErrorDisplay(object):
 
 	def __init__(self, widgetTree):
@@ -193,31 +431,25 @@ class ErrorDisplay(object):
 			self.push_message(message)
 
 	def push_message(self, message):
-		if 0 < len(self.__messages):
-			self.__messages.append(message)
-		else:
+		self.__messages.append(message)
+		if 1 == len(self.__messages):
 			self.__show_message(message)
 
-	def push_exception_with_lock(self, exception = None):
+	def push_exception_with_lock(self):
 		with gtk_lock():
-			self.push_exception(exception)
+			self.push_exception()
 
-	def push_exception(self, exception = None):
-		if exception is None:
-			userMessage = str(sys.exc_value)
-			warningMessage = str(traceback.format_exc())
-		else:
-			userMessage = str(exception)
-			warningMessage = str(exception)
+	def push_exception(self):
+		userMessage = str(sys.exc_info()[1])
 		self.push_message(userMessage)
-		warnings.warn(warningMessage, stacklevel=3)
+		_moduleLogger.exception(userMessage)
 
 	def pop_message(self):
-		if 0 < len(self.__messages):
-			self.__show_message(self.__messages[0])
-			del self.__messages[0]
-		else:
+		del self.__messages[0]
+		if 0 == len(self.__messages):
 			self.__hide_message()
+		else:
+			self.__errorDescription.set_text(self.__messages[0])
 
 	def _on_close(self, *args):
 		self.pop_message()
@@ -249,11 +481,8 @@ class DummyErrorDisplay(object):
 			self.__show_message(message)
 
 	def push_exception(self, exception = None):
-		if exception is None:
-			warningMessage = traceback.format_exc()
-		else:
-			warningMessage = exception
-		warnings.warn(warningMessage, stacklevel=3)
+		userMessage = str(sys.exc_value)
+		_moduleLogger.exception(userMessage)
 
 	def pop_message(self):
 		if 0 < len(self.__messages):
@@ -261,7 +490,7 @@ class DummyErrorDisplay(object):
 			del self.__messages[0]
 
 	def __show_message(self, message):
-		warnings.warn(message, stacklevel=2)
+		_moduleLogger.debug(message)
 
 
 class MessageBox(gtk.MessageDialog):
@@ -334,8 +563,8 @@ class PopupCalendar(object):
 		try:
 			self._calendar.select_month(self._displayDate.month, self._displayDate.year)
 			self._calendar.select_day(self._displayDate.day)
-		except StandardError, e:
-			warnings.warn(e.message)
+		except Exception, e:
+			_moduleLogger.exception(e)
 
 
 class QuickAddView(object):
@@ -385,7 +614,7 @@ class QuickAddView(object):
 			self._taskNameEntry.set_text("")
 
 			self._signalSink.stage.send(("add", name))
-		except StandardError, e:
+		except Exception, e:
 			self._errorDisplay.push_exception()
 
 	def _on_add_edit(self, *args):
@@ -394,13 +623,13 @@ class QuickAddView(object):
 			self._taskNameEntry.set_text("")
 
 			self._signalSink.stage.send(("add-edit", name))
-		except StandardError, e:
+		except Exception, e:
 			self._errorDisplay.push_exception()
 
 	def _on_add_pressed(self, widget):
 		try:
 			self._addToEditTimerId = gobject.timeout_add(1000, self._on_add_edit)
-		except StandardError, e:
+		except Exception, e:
 			self._errorDisplay.push_exception()
 
 	def _on_add_released(self, widget):
@@ -408,7 +637,7 @@ class QuickAddView(object):
 			if self._addToEditTimerId is not None:
 				gobject.source_remove(self._addToEditTimerId)
 			self._addToEditTimerId = None
-		except StandardError, e:
+		except Exception, e:
 			self._errorDisplay.push_exception()
 
 	def _on_paste(self, *args):
@@ -418,16 +647,109 @@ class QuickAddView(object):
 			if addedText:
 				entry += addedText
 			self._taskNameEntry.set_text(entry)
-		except StandardError, e:
+		except Exception, e:
 			self._errorDisplay.push_exception()
 
 	def _on_clear(self, *args):
 		try:
 			self._taskNameEntry.set_text("")
-		except StandardError, e:
+		except Exception, e:
 			self._errorDisplay.push_exception()
 
 
+class TapOrHold(object):
+
+	def __init__(self, widget):
+		self._widget = widget
+		self._isTap = True
+		self._isPointerInside = True
+		self._holdTimeoutId = None
+		self._tapTimeoutId = None
+		self._taps = 0
+
+		self._bpeId = None
+		self._breId = None
+		self._eneId = None
+		self._lneId = None
+
+	def enable(self):
+		self._bpeId = self._widget.connect("button-press-event", self._on_button_press)
+		self._breId = self._widget.connect("button-release-event", self._on_button_release)
+		self._eneId = self._widget.connect("enter-notify-event", self._on_enter)
+		self._lneId = self._widget.connect("leave-notify-event", self._on_leave)
+
+	def disable(self):
+		self._widget.disconnect(self._bpeId)
+		self._widget.disconnect(self._breId)
+		self._widget.disconnect(self._eneId)
+		self._widget.disconnect(self._lneId)
+
+	def on_tap(self, taps):
+		print "TAP", taps
+
+	def on_hold(self, taps):
+		print "HOLD", taps
+
+	def on_holding(self):
+		print "HOLDING"
+
+	def on_cancel(self):
+		print "CANCEL"
+
+	def _on_button_press(self, *args):
+		# Hack to handle weird notebook behavior
+		self._isPointerInside = True
+		self._isTap = True
+
+		if self._tapTimeoutId is not None:
+			gobject.source_remove(self._tapTimeoutId)
+			self._tapTimeoutId = None
+
+		# Handle double taps
+		if self._holdTimeoutId is None:
+			self._tapTimeoutId = None
+
+			self._taps = 1
+			self._holdTimeoutId = gobject.timeout_add(1000, self._on_hold_timeout)
+		else:
+			self._taps = 2
+
+	def _on_button_release(self, *args):
+		assert self._tapTimeoutId is None
+		# Handle release after timeout if user hasn't double-clicked
+		self._tapTimeoutId = gobject.timeout_add(100, self._on_tap_timeout)
+
+	def _on_actual_press(self, *args):
+		if self._holdTimeoutId is not None:
+			gobject.source_remove(self._holdTimeoutId)
+		self._holdTimeoutId = None
+
+		if self._isPointerInside:
+			if self._isTap:
+				self.on_tap(self._taps)
+			else:
+				self.on_hold(self._taps)
+		else:
+			self.on_cancel()
+
+	def _on_tap_timeout(self, *args):
+		self._tapTimeoutId = None
+		self._on_actual_press()
+		return False
+
+	def _on_hold_timeout(self, *args):
+		self._holdTimeoutId = None
+		self._isTap = False
+		self.on_holding()
+		return False
+
+	def _on_enter(self, *args):
+		self._isPointerInside = True
+
+	def _on_leave(self, *args):
+		self._isPointerInside = False
+
+
 if __name__ == "__main__":
 	if False:
 		import datetime