#!/usr/bin/python
-import warnings
+from __future__ import with_statement
+
+import sys
+import traceback
+import functools
import contextlib
+import warnings
+import threading
+import Queue
import gobject
import gtk
gtk.gdk.threads_leave()
+def find_parent_window(widget):
+ while True:
+ parent = widget.get_parent()
+ if isinstance(parent, gtk.Window):
+ return parent
+ widget = parent
+
+
+def make_idler(func):
+ """
+ Decorator that makes a generator-function into a function that will continue execution on next call
+ """
+ a = []
+
+ @functools.wraps(func)
+ def decorated_func(*args, **kwds):
+ if not a:
+ a.append(func(*args, **kwds))
+ try:
+ a[0].next()
+ return True
+ except StopIteration:
+ del a[:]
+ return False
+
+ return decorated_func
+
+
+def asynchronous_gtk_message(original_func):
+ """
+ @note Idea came from http://www.aclevername.com/articles/python-webgui/
+ """
+
+ def execute(allArgs):
+ args, kwargs = allArgs
+ with gtk_lock():
+ original_func(*args, **kwargs)
+ return False
+
+ @functools.wraps(original_func)
+ def delayed_func(*args, **kwargs):
+ gobject.idle_add(execute, (args, kwargs))
+
+ return delayed_func
+
+
+def synchronous_gtk_message(original_func):
+ """
+ @note Idea came from http://www.aclevername.com/articles/python-webgui/
+ """
+
+ @functools.wraps(original_func)
+ def immediate_func(*args, **kwargs):
+ with gtk_lock():
+ return original_func(*args, **kwargs)
+
+ 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 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
+ >>> # cm.throw(RuntimeError, "Goodbye")
+ >>> # cm.send(0)
+ >>> # cm.send(1.0)
+ >>> # cm.close()
+ """
+ while True:
+ try:
+ item = yield
+ mappedItem = function(*item)
+ target.send(mappedItem)
+ except StandardError, e:
+ target.throw(e.__class__, e.message)
+
+
+@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 StandardError, e:
+ queue.put((e.__class__, e.message))
+ 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):
+ """
+ >>> q = Queue.Queue()
+ >>> for i in [
+ ... (None, 'Hello'),
+ ... (None, 'World'),
+ ... (GeneratorExit, None),
+ ... ]:
+ ... q.put(i)
+ >>> qs = queue_source(q, printer_sink())
+ Hello
+ """
+ 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)
+
+
class LoginWindow(object):
def __init__(self, widgetTree):
return username, password
- def request_credentials_from(self, services, parentWindow = None):
+ def request_credentials_from(self,
+ services,
+ parentWindow = None,
+ defaultCredentials = ("", "")
+ ):
"""
@note UI Thread
"""
self._serviceCombo.set_active(0)
self._serviceCombo.show()
+ 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)
username = self._usernameEntry.get_text()
password = self._passwordEntry.get_text()
- self._passwordEntry.set_text("")
finally:
self._dialog.hide()
self.__parentBox.remove(self.__errorBox)
def push_message_with_lock(self, message):
- gtk.gdk.threads_enter()
- try:
+ with gtk_lock():
self.push_message(message)
- finally:
- gtk.gdk.threads_leave()
def push_message(self, message):
if 0 < len(self.__messages):
else:
self.__show_message(message)
- def push_exception(self, exception):
- self.push_message(exception.message)
- warnings.warn(exception, stacklevel=3)
+ def push_exception_with_lock(self, exception = None):
+ with gtk_lock():
+ self.push_exception(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)
+ self.push_message(userMessage)
+ warnings.warn(warningMessage, stacklevel=3)
def pop_message(self):
if 0 < len(self.__messages):
self.__parentBox.remove(self.__errorBox)
+class DummyErrorDisplay(object):
+
+ def __init__(self):
+ super(DummyErrorDisplay, self).__init__()
+
+ self.__messages = []
+
+ def push_message_with_lock(self, message):
+ self.push_message(message)
+
+ def push_message(self, message):
+ if 0 < len(self.__messages):
+ self.__messages.append(message)
+ else:
+ 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)
+
+ def pop_message(self):
+ if 0 < len(self.__messages):
+ self.__show_message(self.__messages[0])
+ del self.__messages[0]
+
+ def __show_message(self, message):
+ warnings.warn(message, stacklevel=2)
+
+
class MessageBox(gtk.MessageDialog):
def __init__(self, message):
def _handle_clicked(self, *args):
self.destroy()
+
+
+class PopupCalendar(object):
+
+ def __init__(self, parent, displayDate, title = ""):
+ self._displayDate = displayDate
+
+ self._calendar = gtk.Calendar()
+ self._calendar.select_month(self._displayDate.month, self._displayDate.year)
+ self._calendar.select_day(self._displayDate.day)
+ self._calendar.set_display_options(
+ gtk.CALENDAR_SHOW_HEADING |
+ gtk.CALENDAR_SHOW_DAY_NAMES |
+ gtk.CALENDAR_NO_MONTH_CHANGE |
+ 0
+ )
+ self._calendar.connect("day-selected", self._on_day_selected)
+
+ self._popupWindow = gtk.Window()
+ self._popupWindow.set_title(title)
+ self._popupWindow.add(self._calendar)
+ self._popupWindow.set_transient_for(parent)
+ self._popupWindow.set_modal(True)
+ self._popupWindow.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
+ self._popupWindow.set_skip_pager_hint(True)
+ self._popupWindow.set_skip_taskbar_hint(True)
+
+ def run(self):
+ self._popupWindow.show_all()
+
+ def _on_day_selected(self, *args):
+ 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)
+
+
+class QuickAddView(object):
+
+ def __init__(self, widgetTree, errorDisplay, signalSink, prefix):
+ self._errorDisplay = errorDisplay
+ self._manager = None
+ self._signalSink = signalSink
+
+ self._clipboard = gtk.clipboard_get()
+
+ self._taskNameEntry = widgetTree.get_widget(prefix+"-nameEntry")
+ self._addTaskButton = widgetTree.get_widget(prefix+"-addButton")
+ self._pasteTaskNameButton = widgetTree.get_widget(prefix+"-pasteNameButton")
+ self._clearTaskNameButton = widgetTree.get_widget(prefix+"-clearNameButton")
+ self._onAddId = None
+ self._onAddClickedId = None
+ self._onAddReleasedId = None
+ self._addToEditTimerId = None
+ self._onClearId = None
+ self._onPasteId = None
+
+ def enable(self, manager):
+ self._manager = manager
+
+ self._onAddId = self._addTaskButton.connect("clicked", self._on_add)
+ self._onAddClickedId = self._addTaskButton.connect("pressed", self._on_add_pressed)
+ self._onAddReleasedId = self._addTaskButton.connect("released", self._on_add_released)
+ self._onPasteId = self._pasteTaskNameButton.connect("clicked", self._on_paste)
+ self._onClearId = self._clearTaskNameButton.connect("clicked", self._on_clear)
+
+ def disable(self):
+ self._manager = None
+
+ self._addTaskButton.disconnect(self._onAddId)
+ self._addTaskButton.disconnect(self._onAddClickedId)
+ self._addTaskButton.disconnect(self._onAddReleasedId)
+ self._pasteTaskNameButton.disconnect(self._onPasteId)
+ self._clearTaskNameButton.disconnect(self._onClearId)
+
+ def set_addability(self, addability):
+ self._addTaskButton.set_sensitive(addability)
+
+ def _on_add(self, *args):
+ try:
+ name = self._taskNameEntry.get_text()
+ self._taskNameEntry.set_text("")
+
+ self._signalSink.stage.send(("add", name))
+ except StandardError, e:
+ self._errorDisplay.push_exception()
+
+ def _on_add_edit(self, *args):
+ try:
+ name = self._taskNameEntry.get_text()
+ self._taskNameEntry.set_text("")
+
+ self._signalSink.stage.send(("add-edit", name))
+ except StandardError, 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:
+ self._errorDisplay.push_exception()
+
+ def _on_add_released(self, widget):
+ try:
+ if self._addToEditTimerId is not None:
+ gobject.source_remove(self._addToEditTimerId)
+ self._addToEditTimerId = None
+ except StandardError, e:
+ self._errorDisplay.push_exception()
+
+ def _on_paste(self, *args):
+ try:
+ entry = self._taskNameEntry.get_text()
+ addedText = self._clipboard.wait_for_text()
+ if addedText:
+ entry += addedText
+ self._taskNameEntry.set_text(entry)
+ except StandardError, e:
+ self._errorDisplay.push_exception()
+
+ def _on_clear(self, *args):
+ try:
+ self._taskNameEntry.set_text("")
+ except StandardError, e:
+ self._errorDisplay.push_exception()
+
+
+if __name__ == "__main__":
+ if False:
+ import datetime
+ cal = PopupCalendar(None, datetime.datetime.now())
+ cal._popupWindow.connect("destroy", lambda w: gtk.main_quit())
+ cal.run()
+
+ gtk.main()
projects / gc-dialer / blobdiff