def _setp__action(self, key, value):
DataTarget._setp__action(self, key, value)
if (key == "on-file-drop"):
self.get_widget().drag_dest_set(gtk.DEST_DEFAULT_ALL,
self.__DND_FILE,
gtk.gdk.ACTION_COPY)
self.get_widget().connect("drag_data_received",
self.__on_file_drop)
elif (key == "on-link-drop"):
self.get_widget().drag_dest_set(gtk.DEST_DEFAULT_ALL,
self.__DND_LINK,
gtk.gdk.ACTION_COPY)
self.get_widget().connect("drag_data_received",
self.__on_link_drop)
def handle_action(self, action, px, py, event):
assert (isinstance(px, Unit.Unit))
assert (isinstance(py, Unit.Unit))
# we need the pointer position relative to the widget, so we have to
# setup a new event structure for some actions
if (action in (self.ACTION_CLICK, self.ACTION_DOUBLECLICK,
self.ACTION_MOTION, self.ACTION_PRESS,
self.ACTION_RELEASE)):
x, y = self.get_widget().get_pointer()
nil, nil, w, h = self.get_geometry()
ux = Unit.Unit(x, Unit.UNIT_PX)
uy = Unit.Unit(y, Unit.UNIT_PX)
if (w.as_px() > 0): ux.set_100_percent(w.as_px())
if (h.as_px() > 0): uy.set_100_percent(h.as_px())
event["x"] = ux
event["y"] = uy
# FIXME: remove eventually :)
if (action == self.ACTION_MOTION): event["_args"] = [x, y]
DataTarget.handle_action(self, action, px, py, event)
def __init__(self, name, parent):
# the action stamp helps us to detect ENTER and LEAVE events
self.__action_stamp = 0
# the queue of actions
self.__action_queue = []
# the layout object
self.__layout_object = parent.new_layout_object()
self.__layout_object.set_callback(self.__geometry_callback)
self.__layout_object.set_action_callback(self.__action_callback)
# the currently pushed mouse cursor
self.__pushed_cursor = None
# lock for geometry computations
self._geometry_lock = True
# the placement anchor
self.__anchor = self.ANCHOR_NW
# the value of the last notify_handle_action call
self.__had_action = False
DataTarget.__init__(self, name, parent)
for prop, datatype in [("x", TYPE_UNIT),
("y", TYPE_UNIT),
("width", TYPE_UNIT),
("height", TYPE_UNIT)]:
self._register_property(prop, datatype,
self._setp_geometry, self._getp_geometry)
self.set_prop("x", Unit.ZERO)
self.set_prop("y", Unit.ZERO)
self.set_prop("width", Unit.Unit())
self.set_prop("height", Unit.Unit())
self._register_property("relative-to", TYPE_LIST,
self._setp_relative_to, self._getp)
self._register_property("anchor", TYPE_STRING,
self._setp_anchor, self._getp)
self._register_property("cursor", TYPE_STRING,
self._setp_cursor, self._getp)
self._register_property("menu", TYPE_OBJECT,
self._setp_menu, None)
self._register_property("visible", TYPE_BOOL,
self._setp_visible, self._getp)
self._setp("visible", True)
for action in (self.ACTION_ENTER,
self.ACTION_LEAVE,
self.ACTION_CLICK,
self.ACTION_PRESS,
self.ACTION_RELEASE,
self.ACTION_SCROLL,
self.ACTION_FILE_DROP,
self.ACTION_LINK_DROP,
self.ACTION_DOUBLECLICK,
self.ACTION_MOTION,
self.ACTION_MENU,
self.ACTION_KEY_PRESS,
self.ACTION_KEY_RELEASE):
self._register_action(action)
