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"""
Main.py
by Jason Conti
February 19, 2010
Applet for viewing recent notifications.
"""
import gnomeapplet
import gtk
import logging
import os.path
from About import show_about
from Icon import load_icon
from MessageWindow import MessageWindow
from Notification import Notification
class Main(object):
"""The main applet wrapper."""
def __init__(self, applet, iid):
self._applet = applet
self._applet.connect("size-allocate", self.on_allocate)
self._unread_messages = 0
size = self.get_icon_size(self.get_applet_size())
self.load_icons(size)
self._image = gtk.Image()
self._image.set_from_pixbuf(self._read_icon)
self._button = gtk.ToggleButton()
self._button.set_image(self._image)
self._button.connect("button_press_event", self.do_not_eat_button_press)
self._button.connect("toggled", self.on_button_toggled)
self._applet.add(self._button)
self._applet.setup_menu("""
<popup name="button3">
<menuitem name="About" verb="About" _label="_About" pixtype="stock" pixname="gtk-about"/>
</popup>
""", [
("About", lambda a, b: self.on_show_about(a))
])
self._window = MessageWindow(self)
self._applet.connect("destroy", self.on_applet_destroyed)
self._applet.show_all()
self.update()
self._notify = Notification()
self._notify.connect("message-received", self.on_message_received)
def get_applet_size(self):
return self._applet.get_size()
def get_icon_size(self, size):
if size < 22:
size = 16
elif size < 24:
size = 22
elif size < 32:
size = 24
elif size < 48:
size = 32
else:
size = 48
return size
def get_orient(self):
return self._applet.get_orient()
def get_origin(self):
return self._button.get_window().get_origin()
def get_screen(self):
return self._button.get_window().get_screen()
def get_size(self):
return self._button.get_window().get_size()
def load_icons(self, size):
self._read_icon = load_icon("notification-read", size)
self._unread_icon = load_icon("notification-unread", size)
def update(self):
self.update_applet_image()
self.update_unread_messages()
def update_applet_image(self):
if self._unread_messages > 0:
icon = self._unread_icon
else:
icon = self._read_icon
if icon != self._image.get_pixbuf():
self._image.set_from_pixbuf(icon)
def update_unread_messages(self):
if self._unread_messages == 0:
label = "No unread messages"
elif self._unread_messages == 1:
label = "1 unread message"
else:
label = str(self._unread_messages) + " unread messages"
self._button.set_tooltip_text(label)
# Callbacks
def do_not_eat_button_press(self, widget, event):
"""Adapted from the GNOME clock applet."""
if event.button != 1:
widget.stop_emission("button_press_event")
return False
def on_allocate(self, applet, alloc):
if self.get_orient() in [gnomeapplet.ORIENT_DOWN, gnomeapplet.ORIENT_UP]:
size_alloc = alloc.height
else:
size_alloc = alloc.width
icon_size = self.get_icon_size(size_alloc)
if self._read_icon != None and icon_size != self._read_icon.get_width():
self.load_icons(size)
self.update_applet_image()
def on_applet_destroyed(self, *args):
self._notify.close()
def on_button_toggled(self, button, *args):
if button.get_active():
self._window.show_all()
self._window.align_with_parent()
else:
self._window.hide_all()
self._unread_messages = 0
self.update()
def on_message_received(self, monitor, message):
self._window.add_message(message)
self._unread_messages += 1
self.update()
def on_show_about(self, *args):
show_about(self)
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