class TargetGroup(ContainerTarget):
def __init__(self, name, parent):
# flag for ensuring that only one collapse action takes place
self.__block = 0
# the maximum size values of all the children
self.__max_size = (0, 0)
ContainerTarget.__init__(self, name, parent)
self.__layout = gtk.Layout()
self.__layout.show()
self.__image = Tiling()
self.__image.show()
self.__layout.put(self.__image, 0, 0)
self._register_property("bg-uri", TYPE_STRING,
self._setp_bg_uri, self._getp)
self._register_property("bg-color", TYPE_STRING,
self._setp_bg_color, self._getp)
self.add_observer(self.__on_observe_size)
def delete(self):
self.__layout.remove(self.__image)
del self.__image
del self.__layout
del self.__block
del self.__max_size
ContainerTarget.delete(self)
def get_widget(self): return self.__layout
def __on_observe_size(self, src, cmd):
if (cmd == src.OBS_GEOMETRY):
x, y, w, h = self.get_geometry()
if (self._getp("bg-uri") or self._getp("bg-color")):
ow, oh = self.__image.size_request()
if ((w.as_px(), h.as_px()) != (ow, oh)):
self.__image.tile(w.as_px(), h.as_px())
def new_child(self, childtype, settings, children):
child = ContainerTarget.new_child(self, childtype, settings, children)
if (not child.is_standalone()):
x, y, w, h = child.get_geometry()
self.__layout.put(child.get_widget(), x.as_px(), y.as_px())
return child
def child_observer(self, src, cmd):
if (cmd == src.OBS_GEOMETRY):
x, y, w, h = src.get_geometry()
if (src.get_widget() in self.__layout.get_children()):
self.__layout.move(src.get_widget(), x.as_px(), y.as_px())
#
# Sets the background color.
#
def __set_color(self, color):
r, g, b, a = utils.parse_color(color)
w, h = self.__layout.size_request()
self.__image.set_from_color(r, g, b, a)
self.__image.tile(w, h)
#
# Sets the background image.
#
def __set_background(self, uri):
if (not uri):
self.__set_color("#00000000")
return
from utils import vfs
if (vfs.exists(uri)):
try:
data = vfs.read_entire_file(uri)
except:
return
w, h = self.__layout.size_request()
self.__image.set_from_data(data)
self.__image.tile(w, h)
#
# "bg-uri" property.
#
def _setp_bg_uri(self, key, value):
path = self._get_display().get_full_path(value)
self.__set_background(path)
self._setp(key, value)
#
# "bg-color" property.
#
def _setp_bg_color(self, key, value):
self.__set_color(value)
self._setp(key, value)
