def __init__(self, **kwargs):
from sugar.graphics.palette import CanvasInvoker
self._buffer = _IconBuffer()
self._palette_invoker = CanvasInvoker()
self._alpha = 1.0
hippo.CanvasBox.__init__(self, **kwargs)
self._palette_invoker.attach(self)
self.connect('destroy', self.__destroy_cb)
def __init__(self, palette=None, tooltip=None, pixbuf=None, **kwargs):
self.image = gtk.Image()
self._invoker = CanvasInvoker()
hippo.CanvasBox.__init__(self, widget=self.image, **kwargs)
self._invoker._position_hint = self._invoker.AT_CURSOR
self._invoker.attach(self)
self.connect('destroy', self._destroy_cb)
if palette:
self.palette = palette
if tooltip:
self.tooltip = tooltip
if pixbuf:
self.pixbuf = pixbuf
def add_text(self, buddy, text, status_message=False):
"""Display text on screen, with name and colors.
buddy -- buddy object or dict {nick: string, color: string}
(The dict is for loading the chat log from the journal,
when we don't have the buddy object any more.)
text -- string, what the buddy said
status_message -- boolean
False: show what buddy said
True: show what buddy did
hippo layout:
.------------- rb ---------------.
| +name_vbox+ +----msg_vbox----+ |
| | | | | |
| | nick: | | +--msg_hbox--+ | |
| | | | | text | | |
| +---------+ | +------------+ | |
| | | |
| | +--msg_hbox--+ | |
| | | text | url | | |
| | +------------+ | |
| +----------------+ |
`--------------------------------'
"""
if not buddy:
buddy = self.owner
if type(buddy) is dict:
# dict required for loading chat log from journal
nick = buddy['nick']
color = buddy['color']
else:
nick = buddy.props.nick
color = buddy.props.color
try:
color_stroke_html, color_fill_html = color.split(',')
except ValueError:
color_stroke_html, color_fill_html = ('#000000', '#888888')
# Select text color based on fill color:
color_fill_rgba = Color(color_fill_html).get_rgba()
color_fill_gray = (color_fill_rgba[0] + color_fill_rgba[1] +
color_fill_rgba[2]) / 3
color_stroke = Color(color_stroke_html).get_int()
color_fill = Color(color_fill_html).get_int()
if color_fill_gray < 0.5:
text_color = COLOR_WHITE.get_int()
else:
text_color = COLOR_BLACK.get_int()
self._add_log(nick, color, text, status_message)
# Check for Right-To-Left languages:
if pango.find_base_dir(nick, -1) == pango.DIRECTION_RTL:
lang_rtl = True
else:
lang_rtl = False
# Check if new message box or add text to previous:
new_msg = True
if self._last_msg_sender:
if not status_message:
if buddy == self._last_msg_sender:
# Add text to previous message
new_msg = False
if not new_msg:
rb = self._last_msg
msg_vbox = rb.get_children()[1]
msg_hbox = hippo.CanvasBox(
orientation=hippo.ORIENTATION_HORIZONTAL)
msg_vbox.append(msg_hbox)
else:
rb = CanvasRoundBox(background_color=color_fill,
border_color=color_stroke,
padding=4)
rb.props.border_color = color_stroke # Bug #3742
self._last_msg = rb
self._last_msg_sender = buddy
if not status_message:
name = hippo.CanvasText(text=nick + ': ', color=text_color)
name_vbox = hippo.CanvasBox(
orientation=hippo.ORIENTATION_VERTICAL)
name_vbox.append(name)
rb.append(name_vbox)
msg_vbox = hippo.CanvasBox(orientation=hippo.ORIENTATION_VERTICAL)
rb.append(msg_vbox)
msg_hbox = hippo.CanvasBox(
orientation=hippo.ORIENTATION_HORIZONTAL)
msg_vbox.append(msg_hbox)
if status_message:
self._last_msg_sender = None
match = URL_REGEXP.search(text)
while match:
# there is a URL in the text
starttext = text[:match.start()]
if starttext:
message = hippo.CanvasText(
text=starttext,
size_mode=hippo.CANVAS_SIZE_WRAP_WORD,
color=text_color,
xalign=hippo.ALIGNMENT_START)
msg_hbox.append(message)
url = text[match.start():match.end()]
message = CanvasLink(text=url, color=text_color)
attrs = pango.AttrList()
attrs.insert(pango.AttrUnderline(pango.UNDERLINE_SINGLE, 0, 32767))
message.set_property("attributes", attrs)
message.connect('activated', self._link_activated_cb)
# call interior magic which should mean just:
# CanvasInvoker().parent = message
CanvasInvoker(message)
msg_hbox.append(message)
text = text[match.end():]
match = URL_REGEXP.search(text)
if text:
message = hippo.CanvasText(text=text,
size_mode=hippo.CANVAS_SIZE_WRAP_WORD,
color=text_color,
xalign=hippo.ALIGNMENT_START)
msg_hbox.append(message)
# Order of boxes for RTL languages:
if lang_rtl:
msg_hbox.reverse()
if new_msg:
rb.reverse()
if new_msg:
box = hippo.CanvasBox(padding=2)
box.append(rb)
self._conversation.append(box)