def __init__(self, scene, x, y, caption, answers, done_cb, parent=None):
self.w = 0
self.h = 0
super(DialogItem, self).__init__(scene, x, y, parent=parent)
self.sp = self.m2pix(0.01)
self.done_cb = done_cb
self.fixed = False
self.desc = DescItem(scene, 0, 0, self)
self.desc.set_content(caption)
self.items = []
self.w = (len(answers) + 1) * self.sp
for answer in answers:
btn = ButtonItem(self.scene(), 0, 0, answer, self, self.answer_cb)
self.items.append(btn)
self.w += btn._width()
y = self.sp
self._place_childs_horizontally(y, self.sp, [self.desc])
y += self.desc._height() + self.sp
self._place_childs_horizontally(y, self.sp, self.items)
y += self.items[0]._height()
y += self.sp
self.h = y
self.update()
self.setZValue(300)
def __init__(self, scene, x, y, w, data, item_selected_cb=None, parent=None):
self.w = 100
self.h = 100
self.sp = 0
self.item_selected_cb = item_selected_cb
super(ListItem, self).__init__(scene, x, y, parent)
self.w = self.m2pix(w)
self.h = self.m2pix(0.2)
self.sp = self.m2pix(0.005)
self.items = []
self.middle_item_idx = 0
self.selected_item_idx = None
for d in data:
self.items.append(ButtonItem(self.scene(), 0, 0,
d, self, self.item_clicked_cb, width=w, push_button=True))
rospack = rospkg.RosPack()
icons_path = rospack.get_path('art_projected_gui') + '/icons/'
self.up_btn = ButtonItem(self.scene(), 0, 0, translate(
"ProgramItem", "Up"), self, self.up_btn_cb, width=w, image_path=icons_path + "arrow-up.svg")
self.down_btn = ButtonItem(self.scene(), 0, 0, translate(
"ProgramItem", "Down"), self, self.down_btn_cb, width=w, image_path=icons_path + "arrow-down.svg")
self.up_btn.setPos(0, 0)
self.down_btn.setPos(0, self.h - self.down_btn.boundingRect().height())
self.set_current_idx(min(1, len(self.items) - 1))
self.update()
def __init__(self, scene, x, y, w, data, item_selected_cb=None, parent=None):
self.w = 100
self.h = 100
self.sp = 0
self.item_selected_cb = item_selected_cb
super(ListItem, self).__init__(scene, x, y, parent=parent)
self.w = self.m2pix(w)
self.h = self.m2pix(0.2)
self.sp = self.m2pix(0.005)
self.items = []
self.middle_item_idx = 0
self.selected_item_idx = None
for d in data:
self.items.append(ButtonItem(self.scene(), 0, 0,
d, self, self.item_clicked_cb, width=w, push_button=True))
# TODO down_btn is not properly aligned
self.up_btn = ButtonItem(self.scene(), 0, 0, "", self, self.up_btn_cb, width=w / 2 - 0.005 / 2,
image_path=icons_path + "arrow-up.svg")
self.down_btn = ButtonItem(self.scene(), 0, 0, "", self, self.down_btn_cb, width=w / 2 - 0.005 / 2,
image_path=icons_path + "arrow-down.svg")
self.up_btn.setPos(0, self.h - self.down_btn.boundingRect().height())
self.down_btn.setPos(self.up_btn.boundingRect().width() + self.sp,
self.h - self.down_btn.boundingRect().height())
self.set_current_idx(min(1, len(self.items) - 1))
self.update()
def __init__(self, scene, x, y, caption, answers, done_cb, parent=None):
self.w = 0
self.h = 0
super(DialogItem, self).__init__(scene, x, y, parent=parent)
self.sp = self.m2pix(0.01)
self.done_cb = done_cb
self.fixed = False
self.desc = DescItem(scene, 0, 0, self)
self.desc.set_content(caption, color=QtCore.Qt.white)
self.items = []
for answer in answers:
btn = ButtonItem(self.scene(), 0, 0, answer, self, self.answer_cb)
self.items.append(btn)
self.w = max(self.desc.boundingRect().width(),
sum(btn.boundingRect().width() for btn in self.items)) + 2 * self.sp
y = self.sp
self._place_childs_horizontally(y, self.sp, [self.desc])
y += self.desc._height() + self.sp
self._place_childs_horizontally(y, self.sp, self.items)
y += self.items[0]._height()
y += self.sp
self.h = y
self.setFlag(QtGui.QGraphicsItem.ItemIsMovable, True)
self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, True)
self.update()
self.setZValue(300)
def __init__(self,
scene,
x,
y,
program_helper,
done_cb=None,
item_switched_cb=None,
learning_request_cb=None):
self.w = 100
self.h = 100
self.done_cb = done_cb
self.item_switched_cb = item_switched_cb
self.learning_request_cb = learning_request_cb
self.readonly = False
super(ProgramItem, self).__init__(scene, x, y)
self.w = self.m2pix(0.2)
self.h = self.m2pix(0.25)
self.sp = self.m2pix(0.005)
self.ph = program_helper
self.block_id = None
self.item_id = None
self.block_learned = False
self.program_learned = False
# block "view"
self.block_finished_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Done"),
self, self.block_finished_btn_cb)
self.block_edit_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Edit"),
self, self.block_edit_btn_cb)
self.block_on_failure_btn = ButtonItem(
self.scene(), 0, 0, translate("ProgramItem", "On fail"), self,
self.block_on_failure_btn)
bdata = []
self.blocks_map = {} # map from indexes (key) to block_id (value)
self.blocks_map_rev = {}
block_id = self.ph.get_first_block_id()
while block_id != 0:
bmsg = self.ph.get_block_msg(block_id)
bdata.append("Block ID: " + str(block_id) + "\nName: " + bmsg.name)
idx = len(bdata) - 1
self.blocks_map[idx] = block_id
self.blocks_map_rev[block_id] = idx
block_id = self.ph.get_block_on_success(block_id)
# test for cycle
if block_id in self.blocks_map_rev:
break
self.blocks_list = ListItem(self.scene(),
0,
0,
0.2 - 2 * 0.005,
bdata,
self.block_selected_cb,
parent=self)
for k, v in self.blocks_map.iteritems():
self._update_block(v)
y = 50
self.blocks_list.setPos(self.sp, y)
y += self.blocks_list._height() + self.sp
self._place_childs_horizontally(y, self.sp, [
self.block_finished_btn, self.block_edit_btn,
self.block_on_failure_btn
])
y += self.block_finished_btn._height() + self.sp
group_enable((self.block_edit_btn, self.block_on_failure_btn), False)
self.h = y
self.update()
# items "view"
self.item_edit_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Edit"), self,
self.item_edit_btn_cb)
self.item_run_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Run"), self,
self.item_run_btn_cb)
self.item_on_failure_btn = ButtonItem(
self.scene(), 0, 0, translate("ProgramItem", "On fail"), self,
self.item_on_failure_btn_cb)
self.item_finished_btn = ButtonItem(
self.scene(), 0, 0, translate("ProgramItem", "Back to blocks"),
self, self.item_finished_btn_cb)
self.items_list = None
group_visible((self.item_finished_btn, self.item_run_btn,
self.item_on_failure_btn, self.item_edit_btn), False)
# readonly (program running) "view"
self.pr_pause_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Pause"), self,
self.pr_pause_btn_cb)
self.pr_repeat_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Repeat"),
self, self.pr_repeat_btn_cb)
self.pr_cancel_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Cancel"),
self, self.pr_cancel_btn_cb)
group_visible(
(self.pr_pause_btn, self.pr_repeat_btn, self.pr_cancel_btn), False)
self.fixed = False
self.editing_item = False
self.edit_request = False
self.run_request = False
self.setZValue(100)
def __init__(self,
scene,
x,
y,
program_headers,
learned_dict,
selected_program_id=None,
program_selected_cb=None):
self.w = 100
self.h = 100
self.program_headers = program_headers
self.learned_dict = learned_dict
self.program_selected_cb = program_selected_cb
super(ProgramListItem, self).__init__(scene, x, y)
self.w = self.m2pix(0.2)
self.h = self.m2pix(0.25)
self.fixed = False
self.setZValue(100)
data = []
self.map_from_idx_to_program_id = {}
self.map_from_program_id_to_idx = {}
for ph in self.program_headers:
data.append("ID: " + str(ph.id) + "\nName: " + ph.name)
idx = len(data) - 1
self.map_from_idx_to_program_id[idx] = ph.id
self.map_from_program_id_to_idx[ph.id] = idx
self.list = ListItem(scene,
0,
0,
0.2 - 2 * 0.005,
data,
self.item_selected_cb,
parent=self)
for idx in range(0, len(data)):
if not self.learned_dict[self.map_from_idx_to_program_id[idx]]:
self.list.items[idx].set_background_color(QtCore.Qt.red)
self.run_btn = ButtonItem(scene, 0, 0, translate("ProgramItem", "Run"),
self, self.run_btn_cb)
self.edit_btn = ButtonItem(scene, 0, 0,
translate("ProgramItem",
"Edit"), self, self.edit_btn_cb)
self.template_btn = ButtonItem(scene, 0, 0,
translate("ProgramItem", "Template"),
self, self.template_btn_cb)
self.run_btn.set_enabled(False)
self.edit_btn.set_enabled(False)
self.template_btn.set_enabled(False)
if selected_program_id is not None:
self.list.set_current_idx(
self.map_from_program_id_to_idx[selected_program_id])
sp = self.m2pix(0.005)
h = 50
self.list.setPos(sp, h)
h += self.list._height()
h += 2 * sp
self._place_childs_horizontally(
h, sp, [self.run_btn, self.edit_btn, self.template_btn])
h += self.run_btn._height()
h += 3 * sp
self.h = h
self.update()
def __init__(self,
scene,
x,
y,
program_helper,
instruction,
ih,
done_cb=None,
item_switched_cb=None,
learning_request_cb=None,
pause_cb=None,
cancel_cb=None,
stopped=False,
visualize=False,
v_visualize_cb=None,
v_back_cb=None,
vis_pause_cb=None,
vis_stop_cb=None,
vis_replay_cb=None,
vis_back_to_blocks_cb=None):
self.w = 100
self.h = 100
self.instruction = instruction
self.ih = ih
self.done_cb = done_cb
self.item_switched_cb = item_switched_cb
self.learning_request_cb = learning_request_cb
self.pause_cb = pause_cb
self.cancel_cb = cancel_cb
self.readonly = False
self.stopped = stopped
# variables for HoloLens visualization
self.visualize = visualize
self.visualization_paused = False
# callbacks for visualization buttons
self.v_visualize_cb = v_visualize_cb
self.v_back_cb = v_back_cb
self.vis_pause_cb = vis_pause_cb
self.vis_stop_cb = vis_stop_cb
self.vis_replay_cb = vis_replay_cb
self.vis_back_to_blocks_cb = vis_back_to_blocks_cb
super(ProgramItem, self).__init__(scene, x, y)
self.title = DescItem(self.scene(), 0, 0, self)
# TODO it should take coords given to __init__
self.title.setPos(QtCore.QPointF(self.m2pix(0.01), self.m2pix(0.01)))
self.w = self.m2pix(0.2)
self.h = self.m2pix(0.25)
self.sp = self.m2pix(0.005)
self.ph = program_helper
self.block_id = None
self.item_id = None
self.block_learned = False
self.program_learned = False
# block "view"
self.block_finished_btn = ButtonItem(self.scene(),
0,
0,
"BTN",
self,
self.block_finished_btn_cb,
image_path=icons_path +
"back.svg")
self.block_edit_btn = ButtonItem(self.scene(),
0,
0,
"BTN",
self,
self.block_edit_btn_cb,
image_path=icons_path + "edit.svg")
self.block_on_success_btn = ButtonItem(self.scene(),
0,
0,
"BTN",
self,
self.block_on_success_btn_cb,
image_path=icons_path +
"success.svg")
self.block_on_failure_btn = ButtonItem(self.scene(),
0,
0,
"BTN",
self,
self.block_on_failure_btn_cb,
image_path=icons_path +
"failure.svg")
# block "view" when in visualization
self.program_visualize_btn = ButtonItem(
self.scene(), 0, 0, translate("ProgramItem", "Visualize Program"),
self, self.program_visualize_btn_cb)
self.block_visualize_btn = ButtonItem(
self.scene(), 0, 0, translate("ProgramItem", "Visualize Block"),
self, self.block_visualize_btn_cb)
self.block_back_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Back"),
self, self.block_back_btn_cb)
bdata = []
self.blocks_map = {} # map from indexes (key) to block_id (value)
self.blocks_map_rev = {}
for i in range(len(self.ph.get_program().blocks)):
bmsg = self.ph.get_program().blocks[i]
bdata.append(
translate("ProgramItem",
"Block %1\n%2\nSuccess: %3, failure: %4").arg(
bmsg.id).arg(bmsg.name).arg(bmsg.on_success).arg(
bmsg.on_failure))
idx = len(bdata) - 1
self.blocks_map[idx] = bmsg.id
self.blocks_map_rev[bmsg.id] = idx
self.blocks_list = ListItem(self.scene(),
0,
0,
0.2 - 2 * 0.005,
bdata,
self.block_selected_cb,
parent=self)
for k, v in self.blocks_map.iteritems():
self._update_block(v)
y = self.title.mapToParent(self.title.boundingRect().bottomLeft()).y()
self.blocks_list.setPos(self.sp, y)
y += self.blocks_list._height() + self.sp
if visualize:
self._place_childs_horizontally(y, self.sp, [
self.program_visualize_btn, self.block_visualize_btn,
self.block_back_btn
])
y += self.block_visualize_btn._height() + self.sp
self.block_back_btn.set_enabled(True)
self.block_visualize_btn.set_enabled(False)
self.program_visualize_btn.set_enabled(True)
# hide edit block buttons
group_visible(
(self.block_finished_btn, self.block_edit_btn,
self.block_on_failure_btn, self.block_on_success_btn), False)
else:
self._place_childs_horizontally(y, self.sp, [
self.block_edit_btn, self.block_on_success_btn,
self.block_on_failure_btn, self.block_finished_btn
])
y += self.block_finished_btn._height() + self.sp
group_enable((self.block_edit_btn, self.block_on_failure_btn,
self.block_on_success_btn), False)
# hide visualization block buttons
group_visible((self.block_visualize_btn,
self.program_visualize_btn, self.block_back_btn),
False)
self.h = y
# items "view"
self.item_edit_btn = ButtonItem(self.scene(),
0,
0,
translate("ProgramItem", "Ed"),
self,
self.item_edit_btn_cb,
image_path=icons_path + "edit.svg")
self.item_run_btn = ButtonItem(self.scene(),
0,
0,
"BTN",
self,
self.item_run_btn_cb,
image_path=icons_path + "run.svg")
self.item_on_success_btn = ButtonItem(self.scene(),
0,
0,
"BTN",
self,
self.item_on_success_btn_cb,
image_path=icons_path +
"success.svg")
self.item_on_failure_btn = ButtonItem(self.scene(),
0,
0,
"BTN",
self,
self.item_on_failure_btn_cb,
image_path=icons_path +
"failure.svg")
self.item_finished_btn = ButtonItem(self.scene(),
0,
0,
"BTN",
self,
self.item_finished_btn_cb,
image_path=icons_path + "back.svg")
self.items_list = None
group_visible((self.item_finished_btn, self.item_run_btn,
self.item_on_success_btn, self.item_on_failure_btn,
self.item_edit_btn), False)
# readonly (program running) "view"
self.pr_pause_btn = ButtonItem(self.scene(),
0,
0,
"BTN",
self,
self.pr_pause_btn_cb,
image_path=icons_path + "pause.svg")
if self.stopped:
self.pr_pause_btn.set_image(icons_path + "run.svg")
self.pr_cancel_btn = ButtonItem(self.scene(),
0,
0,
"BTN",
self,
self.pr_cancel_btn_cb,
image_path=icons_path + "stop.svg")
group_visible((self.pr_pause_btn, self.pr_cancel_btn), False)
# buttons for HoloLens visualization
self.vis_pause_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Resume"),
self, self.vis_pause_btn_cb)
# quick hack .. init button with 'Resume' caption and switch back to
# 'Pause' to keep the button large enough for text switching
if not self.visualization_paused:
self.vis_pause_btn.set_caption(translate("ProgramItem", "Pause"))
self.vis_stop_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Stop"), self,
self.vis_stop_btn_cb)
self.vis_replay_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Replay"),
self, self.vis_replay_btn_cb)
self.vis_back_btn = ButtonItem(
self.scene(), 0, 0, translate("ProgramItem", "Back to blocks"),
self, self.vis_back_btn_cb)
group_visible((self.vis_pause_btn, self.vis_stop_btn,
self.vis_replay_btn, self.vis_back_btn), False)
self.fixed = False
self.editing_item = False
self.edit_request = False
self.run_request = False
self.setFlag(QtGui.QGraphicsItem.ItemIsMovable, True)
self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, True)
self.setZValue(100)
self._update_learned()
self.update()
if self.item_switched_cb:
self.item_switched_cb(None, None, blocks=True)
def __init__(
self,
scene,
x,
y,
program_headers,
learned_dict,
selected_program_id=None,
program_selected_cb=None,
program_selection_changed_cb=None):
self.w = 100
self.h = 100
self.program_headers = program_headers
self.learned_dict = learned_dict
self.program_selected_cb = program_selected_cb
self.program_selection_changed_cb = program_selection_changed_cb
super(ProgramListItem, self).__init__(scene, x, y)
self.w = self.m2pix(0.2)
self.h = self.m2pix(0.25)
self.fixed = False
self.setZValue(100)
title = DescItem(self.scene(), 0, 0, self)
title.set_content(translate("ProgramListItem", "Program list"), 1.2)
title.setPos(QtCore.QPointF(self.m2pix(0.01), self.m2pix(0.01))) # TODO it should take coords given to __init__
data = []
self.map_from_idx_to_program_id = {}
self.map_from_program_id_to_idx = {}
self.program_headers.sort(key=lambda p: p.id)
for ph in self.program_headers:
data.append("Program " + str(ph.id) + "\n" + ph.name)
idx = len(data) - 1
self.map_from_idx_to_program_id[idx] = ph.id
self.map_from_program_id_to_idx[ph.id] = idx
self.list = ListItem(scene, 0, 0, 0.2 - 2 * 0.005, data, self.item_selected_cb, parent=self)
for idx in range(0, len(data)):
if not self.learned_dict[self.map_from_idx_to_program_id[idx]]:
self.list.items[idx].set_background_color(QtCore.Qt.red)
rospack = rospkg.RosPack()
icons_path = rospack.get_path('art_projected_gui') + '/icons/'
self.run_btn = ButtonItem(scene, 0, 0, "BTN", self, self.run_btn_cb, image_path=icons_path + "run.svg")
self.edit_btn = ButtonItem(scene, 0, 0, "BTN", self, self.edit_btn_cb, image_path=icons_path + "edit.svg")
self.template_btn = ButtonItem(scene, 0, 0, "BTN", self, self.template_btn_cb,
image_path=icons_path + "template.svg")
self.visualize_btn = ButtonItem(scene, 0, 0, "BTN", self, self.visualize_btn_cb,
image_path=icons_path + "visualize.svg")
self.run_btn.set_enabled(False)
self.edit_btn.set_enabled(False)
self.template_btn.set_enabled(False)
self.visualize_btn.set_enabled(False)
if selected_program_id is not None:
self.list.set_current_idx(self.map_from_program_id_to_idx[selected_program_id])
sp = self.m2pix(0.005)
# h = title.mapToParent(title.boundingRect().bottomLeft()).y() + sp
h = 0
self.list.setPos(sp, h)
h += self.list._height()
h += 2 * sp
btns = (self.run_btn, self.edit_btn, self.template_btn, self.visualize_btn)
self._place_childs_horizontally(h, sp, btns)
h += self.run_btn._height()
h += 3 * sp
self.h = h
self.setFlag(QtGui.QGraphicsItem.ItemIsMovable, True)
self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, True)
self.update()
def __init__(self,
scene,
x,
y,
program_helper,
done_cb=None,
item_switched_cb=None,
learning_request_cb=None,
pause_cb=None,
cancel_cb=None,
stopped=False):
self.w = 100
self.h = 100
self.done_cb = done_cb
self.item_switched_cb = item_switched_cb
self.learning_request_cb = learning_request_cb
self.pause_cb = pause_cb
self.cancel_cb = cancel_cb
self.readonly = False
self.stopped = stopped
super(ProgramItem, self).__init__(scene, x, y)
self.w = self.m2pix(0.2)
self.h = self.m2pix(0.25)
self.sp = self.m2pix(0.005)
self.ph = program_helper
self.block_id = None
self.item_id = None
self.block_learned = False
self.program_learned = False
# block "view"
self.block_finished_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Done"),
self, self.block_finished_btn_cb)
self.block_edit_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Edit"),
self, self.block_edit_btn_cb)
self.block_on_failure_btn = ButtonItem(
self.scene(), 0, 0, translate("ProgramItem", "On fail"), self,
self.block_on_failure_btn)
bdata = []
self.blocks_map = {} # map from indexes (key) to block_id (value)
self.blocks_map_rev = {}
for i in range(len(self.ph.get_program().blocks)):
bmsg = self.ph.get_program().blocks[i]
bdata.append(
translate("ProgramItem",
"Block %1\n%2").arg(bmsg.id).arg(bmsg.name))
idx = len(bdata) - 1
self.blocks_map[idx] = bmsg.id
self.blocks_map_rev[bmsg.id] = idx
self.blocks_list = ListItem(self.scene(),
0,
0,
0.2 - 2 * 0.005,
bdata,
self.block_selected_cb,
parent=self)
for k, v in self.blocks_map.iteritems():
self._update_block(v)
y = 50
self.blocks_list.setPos(self.sp, y)
y += self.blocks_list._height() + self.sp
self._place_childs_horizontally(y, self.sp, [
self.block_finished_btn, self.block_edit_btn,
self.block_on_failure_btn
])
y += self.block_finished_btn._height() + self.sp
group_enable((self.block_edit_btn, self.block_on_failure_btn), False)
self.h = y
# items "view"
self.item_edit_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Edit"), self,
self.item_edit_btn_cb)
self.item_run_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Run"), self,
self.item_run_btn_cb)
self.item_on_success_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem",
"On S"), self,
self.item_on_success_btn_cb)
self.item_on_failure_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem",
"On F"), self,
self.item_on_failure_btn_cb)
self.item_finished_btn = ButtonItem(
self.scene(), 0, 0, translate("ProgramItem", "Back to blocks"),
self, self.item_finished_btn_cb)
self.items_list = None
group_visible((self.item_finished_btn, self.item_run_btn,
self.item_on_success_btn, self.item_on_failure_btn,
self.item_edit_btn), False)
# readonly (program running) "view"
self.pr_pause_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Pause"), self,
self.pr_pause_btn_cb)
if self.stopped:
self.pr_pause_btn.set_caption(translate("ProgramItem", "Resume"))
self.pr_cancel_btn = ButtonItem(self.scene(), 0, 0,
translate("ProgramItem", "Stop"), self,
self.pr_cancel_btn_cb)
group_visible((self.pr_pause_btn, self.pr_cancel_btn), False)
self.fixed = False
self.editing_item = False
self.edit_request = False
self.run_request = False
self.setFlag(QtGui.QGraphicsItem.ItemIsMovable, True)
self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, True)
self.setZValue(100)
self._update_learned()
self.update()
if self.item_switched_cb:
self.item_switched_cb(None, None, blocks=True)
