405 lines
11 KiB
Python
405 lines
11 KiB
Python
#!/usr/bin/env python
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import sha
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import dbus
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import dbus.service
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import dbus.glib
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import pygtk
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pygtk.require('2.0')
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import gtk, gobject, pango
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from sugar.chat.sketchpad.Toolbox import Toolbox
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from sugar.chat.sketchpad.SketchPad import SketchPad
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from sugar.chat.Emoticons import Emoticons
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import richtext
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PANGO_SCALE = 1024 # Where is this defined?
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class Chat(gtk.Window):
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SERVICE_TYPE = "_olpc_chat._tcp"
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SERVICE_PORT = 6100
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def __init__(self, controller):
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gtk.Window.__init__(self)
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#Buddy.recognize_buddy_service_type(Chat.SERVICE_TYPE)
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self._controller = controller
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self._stream_writer = None
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self._emt_popup = None
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vbox = gtk.VBox(False, 6)
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self._hbox = gtk.HBox(False, 12)
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self._hbox.set_border_width(12)
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[chat_vbox, buf] = self._create_chat()
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self._hbox.pack_start(chat_vbox)
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chat_vbox.show()
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vbox.pack_start(self._hbox)
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self._hbox.show()
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toolbar = self._create_toolbar(buf)
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vbox.pack_start(toolbar, False)
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toolbar.show()
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self.add(vbox)
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vbox.show()
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def _create_toolbox(self):
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vbox = gtk.VBox(False, 12)
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toolbox = Toolbox()
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toolbox.connect('tool-selected', self._tool_selected)
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toolbox.connect('color-selected', self._color_selected)
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vbox.pack_start(toolbox, False)
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toolbox.show()
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button_box = gtk.HButtonBox()
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send_button = gtk.Button('Send')
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button_box.pack_start(send_button, False)
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send_button.connect('clicked', self.__send_button_clicked_cb)
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vbox.pack_start(button_box, False)
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button_box.show()
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return vbox
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def __send_button_clicked_cb(self, button):
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self.send_sketch(self._sketchpad.to_svg())
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self._sketchpad.clear()
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def _color_selected(self, toolbox, color):
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self._sketchpad.set_color(color)
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def _tool_selected(self, toolbox, tool_id):
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if tool_id == 'text':
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self._editor_nb.set_current_page(0)
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else:
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self._editor_nb.set_current_page(1)
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def _create_chat_editor(self):
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nb = gtk.Notebook()
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nb.set_show_tabs(False)
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nb.set_show_border(False)
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nb.set_size_request(-1, 70)
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chat_view_sw = gtk.ScrolledWindow()
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chat_view_sw.set_shadow_type(gtk.SHADOW_IN)
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chat_view_sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
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self._editor = richtext.RichTextView()
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self._editor.connect("key-press-event", self.__key_press_event_cb)
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chat_view_sw.add(self._editor)
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self._editor.show()
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nb.append_page(chat_view_sw)
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chat_view_sw.show()
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self._sketchpad = SketchPad()
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nb.append_page(self._sketchpad)
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self._sketchpad.show()
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nb.set_current_page(0)
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return nb
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def _create_chat(self):
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chat_vbox = gtk.VBox()
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chat_vbox.set_spacing(6)
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self._chat_sw = gtk.ScrolledWindow()
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self._chat_sw.set_shadow_type(gtk.SHADOW_IN)
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self._chat_sw.set_policy(gtk.POLICY_NEVER, gtk.POLICY_ALWAYS)
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self._chat_view = richtext.RichTextView()
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self._chat_view.connect("link-clicked", self.__link_clicked_cb)
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self._chat_view.set_editable(False)
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self._chat_view.set_cursor_visible(False)
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self._chat_view.set_pixels_above_lines(7)
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self._chat_view.set_left_margin(5)
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self._chat_sw.add(self._chat_view)
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self._chat_view.show()
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chat_vbox.pack_start(self._chat_sw)
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self._chat_sw.show()
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self._editor_nb = self._create_chat_editor()
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chat_vbox.pack_start(self._editor_nb, False)
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self._editor_nb.show()
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return chat_vbox, self._editor.get_buffer()
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def __get_browser_shell(self):
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bus = dbus.SessionBus()
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proxy_obj = bus.get_object('com.redhat.Sugar.Browser', '/com/redhat/Sugar/Browser')
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self._browser_shell = dbus.Interface(proxy_obj, 'com.redhat.Sugar.BrowserShell')
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def __link_clicked_cb(self, view, address):
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self.__get_browser_shell().open_browser(address)
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def __key_press_event_cb(self, text_view, event):
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if event.keyval == gtk.keysyms.Return:
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buf = text_view.get_buffer()
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text = buf.get_text(buf.get_start_iter(), buf.get_end_iter())
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if len(text.strip()) > 0:
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serializer = richtext.RichTextSerializer()
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text = serializer.serialize(buf)
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self.send_text_message(text)
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buf.set_text("")
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buf.place_cursor(buf.get_start_iter())
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return True
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def _create_emoticons_popup(self):
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model = gtk.ListStore(gtk.gdk.Pixbuf, str)
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for name in Emoticons.get_instance().get_all():
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icon_theme = gtk.icon_theme_get_default()
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pixbuf = icon_theme.load_icon(name, 16, 0)
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model.append([pixbuf, name])
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icon_view = gtk.IconView(model)
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icon_view.connect('selection-changed', self.__emoticon_selection_changed_cb)
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icon_view.set_pixbuf_column(0)
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icon_view.set_selection_mode(gtk.SELECTION_SINGLE)
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frame = gtk.Frame()
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frame.set_shadow_type(gtk.SHADOW_ETCHED_IN)
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frame.add(icon_view)
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icon_view.show()
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window = gtk.Window(gtk.WINDOW_POPUP)
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window.add(frame)
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frame.show()
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return window
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def __emoticon_selection_changed_cb(self, icon_view):
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items = icon_view.get_selected_items()
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if items:
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model = icon_view.get_model()
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icon_name = model[items[0]][1]
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self._editor.get_buffer().append_icon(icon_name)
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self._emt_popup.hide()
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def _create_toolbar(self, rich_buf):
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toolbar = richtext.RichTextToolbar(rich_buf)
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item = gtk.ToolButton()
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hbox = gtk.HBox(False, 6)
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e_image = gtk.Image()
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e_image.set_from_icon_name('stock_smiley-1', gtk.ICON_SIZE_SMALL_TOOLBAR)
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hbox.pack_start(e_image)
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e_image.show()
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arrow = gtk.Arrow(gtk.ARROW_DOWN, gtk.SHADOW_NONE)
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hbox.pack_start(arrow)
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arrow.show()
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item.set_icon_widget(hbox)
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item.set_homogeneous(False)
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item.connect("clicked", self.__emoticons_button_clicked_cb)
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toolbar.insert(item, -1)
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item.show()
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separator = gtk.SeparatorToolItem()
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toolbar.insert(separator, -1)
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separator.show()
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item = gtk.MenuToolButton(None, "Links")
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item.set_menu(gtk.Menu())
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item.connect("show-menu", self.__show_link_menu_cb)
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toolbar.insert(item, -1)
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item.show()
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return toolbar
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def __emoticons_button_clicked_cb(self, button):
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# FIXME grabs...
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if not self._emt_popup:
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self._emt_popup = self._create_emoticons_popup()
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if self._emt_popup.get_property('visible'):
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self._emt_popup.hide()
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else:
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width = 180
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height = 130
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self._emt_popup.set_default_size(width, height)
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[x, y] = button.window.get_origin()
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x += button.allocation.x
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y += button.allocation.y - height
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self._emt_popup.move(x, y)
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self._emt_popup.show()
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def __link_activate_cb(self, item, link):
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buf = self._editor.get_buffer()
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buf.append_link(link['title'], link['address'])
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def __show_link_menu_cb(self, button):
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menu = gtk.Menu()
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links = self.__get_browser_shell().get_links()
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for link in links:
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item = gtk.MenuItem(link['title'], False)
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item.connect("activate", self.__link_activate_cb, link)
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menu.append(item)
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item.show()
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button.set_menu(menu)
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def _scroll_chat_view_to_bottom(self):
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# Only scroll to bottom if the view is already close to the bottom
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vadj = self._chat_sw.get_vadjustment()
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if vadj.value + vadj.page_size > vadj.upper * 0.8:
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vadj.value = vadj.upper - vadj.page_size
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self._chat_sw.set_vadjustment(vadj)
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def _message_inserted(self):
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gobject.idle_add(self._scroll_chat_view_to_bottom)
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self.set_has_changes(True)
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def _insert_buddy(self, buf, nick):
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# Stuff in the buddy icon, if we have one for this buddy
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buddy = self._controller.get_group().get_buddy(nick)
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icon = buddy.get_icon_pixbuf()
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if icon:
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rise = int(icon.get_height() / 4) * -1
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chat_service = buddy.get_service(Chat.SERVICE_TYPE)
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hash_string = "%s-%s" % (nick, chat_service.get_address())
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sha_hash = sha.new()
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sha_hash.update(hash_string)
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tagname = "buddyicon-%s" % sha_hash.hexdigest()
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if not buf.get_tag_table().lookup(tagname):
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buf.create_tag(tagname, rise=(rise * PANGO_SCALE))
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aniter = buf.get_end_iter()
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buf.insert_pixbuf(aniter, icon)
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aniter.backward_char()
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enditer = buf.get_end_iter()
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buf.apply_tag_by_name(tagname, aniter, enditer)
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# Stick in the buddy's nickname
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if not buf.get_tag_table().lookup("nickname"):
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buf.create_tag("nickname", weight=pango.WEIGHT_BOLD)
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aniter = buf.get_end_iter()
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offset = aniter.get_offset()
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buf.insert(aniter, " " + nick + ": ")
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enditer = buf.get_iter_at_offset(offset)
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buf.apply_tag_by_name("nickname", aniter, enditer)
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def _insert_rich_message(self, nick, msg):
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msg = Emoticons.get_instance().replace(msg)
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buf = self._chat_view.get_buffer()
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self._insert_buddy(buf, nick)
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serializer = richtext.RichTextSerializer()
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serializer.deserialize(msg, buf)
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aniter = buf.get_end_iter()
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buf.insert(aniter, "\n")
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self._message_inserted()
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def _insert_sketch(self, nick, svgdata):
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"""Insert a sketch object into the chat buffer."""
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pbl = gtk.gdk.PixbufLoader("svg")
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pbl.write(svgdata)
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pbl.close()
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pbuf = pbl.get_pixbuf()
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buf = self._chat_view.get_buffer()
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self._insert_buddy(buf, nick)
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rise = int(pbuf.get_height() / 3) * -1
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sha_hash = sha.new()
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sha_hash.update(svgdata)
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tagname = "sketch-%s" % sha_hash.hexdigest()
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if not buf.get_tag_table().lookup(tagname):
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buf.create_tag(tagname, rise=(rise * PANGO_SCALE))
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aniter = buf.get_end_iter()
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buf.insert_pixbuf(aniter, pbuf)
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aniter.backward_char()
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enditer = buf.get_end_iter()
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buf.apply_tag_by_name(tagname, aniter, enditer)
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aniter = buf.get_end_iter()
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buf.insert(aniter, "\n")
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self._message_inserted()
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def _get_first_richtext_chunk(self, msg):
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"""Scan the message for the first richtext-tagged chunk and return it."""
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rt_last = -1
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tag_rt_start = "<richtext>"
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tag_rt_end = "</richtext>"
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rt_first = msg.find(tag_rt_start)
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length = -1
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if rt_first >= 0:
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length = len(msg)
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rt_last = msg.find(tag_rt_end, rt_first)
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if rt_first >= 0 and rt_last >= (rt_first + len(tag_rt_start)) and length > 0:
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return msg[rt_first:rt_last + len(tag_rt_end)]
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return None
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def _get_first_sketch_chunk(self, msg):
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"""Scan the message for the first SVG-tagged chunk and return it."""
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svg_last = -1
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tag_svg_start = "<svg"
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tag_svg_end = "</svg>"
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desc_start = msg.find("<?xml version='1.0' encoding='UTF-8'?>")
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if desc_start < 0:
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return None
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ignore = msg.find("<!DOCTYPE svg")
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if ignore < 0:
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return None
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svg_first = msg.find(tag_svg_start)
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length = -1
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if svg_first >= 0:
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length = len(msg)
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svg_last = msg.find(tag_svg_end, svg_first)
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if svg_first >= 0 and svg_last >= (svg_first + len(tag_svg_start)) and length > 0:
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return msg[desc_start:svg_last + len(tag_svg_end)]
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return None
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def recv_message(self, buddy, msg):
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"""Insert a remote chat message into the chat buffer."""
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if not buddy:
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return
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chunk = self._get_first_richtext_chunk(msg)
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if chunk:
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self._insert_rich_message(buddy.get_nick_name(), chunk)
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return
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chunk = self._get_first_sketch_chunk(msg)
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if chunk:
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self._insert_sketch(buddy.get_nick_name(), chunk)
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return
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def send_sketch(self, svgdata):
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if not svgdata or not len(svgdata):
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return
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self._stream_writer.write(svgdata)
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owner = self._controller.get_group().get_owner()
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self._insert_sketch(owner.get_nick_name(), svgdata)
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def send_text_message(self, text):
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"""Send a chat message and insert it into the local buffer."""
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if len(text) <= 0:
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return
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self._stream_writer.write(text)
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owner = self._controller.get_group().get_owner()
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self._insert_rich_message(owner.get_nick_name(), text)
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