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Show: add methods to make stuff unpickable

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TempoVis.setUnpickable(App.ActiveDocument.Box) makes box transparent to
mouse clicks, i.e. impossible to select.
This commit is contained in:
DeepSOIC 2016-09-30 03:12:06 +03:00 committed by wmayer
parent c72a61641c
commit 7e32de2f55
1 changed files with 67 additions and 2 deletions
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69
src/Mod/Show/TempoVis.py
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@ -39,6 +39,7 @@ class TempoVis(FrozenClass):
def __define_attributes(self):
self.data = {} # dict. key = ("Object","Property"), value = original value of the property
self.data_pickstyle = {} # dict. key = "Object", value = original value of pickstyle
self.cam_string = "" # inventor ASCII string representing the camera
self.viewer = None # viewer the camera is saved from
@ -74,9 +75,9 @@ class TempoVis(FrozenClass):
raise ValueError("Document object to be modified does not belong to document TempoVis was made for.")
oldval = getattr(doc_obj.ViewObject, prop_name)
setattr(doc_obj.ViewObject, prop_name, new_value)
self.restore_on_delete = True
if not self.data.has_key((doc_obj.Name,prop_name)):
self.data[(doc_obj.Name,prop_name)] = oldval
self.restore_on_delete = True
def show(self, doc_obj_or_list):
'''show(doc_obj_or_list): shows objects (sets their Visibility to True). doc_obj_or_list can be a document object, or a list of document objects'''
@ -137,6 +138,9 @@ class TempoVis(FrozenClass):
.format(err= err.message,
obj= obj_name,
prop= prop_name))
self.restoreUnpickable()
try:
self.restoreCamera()
except Exception as err:
@ -147,6 +151,7 @@ class TempoVis(FrozenClass):
def forget(self):
'''forget(): resets TempoVis'''
self.data = {}
self.data_pickstyle = {}
self.cam_string = ""
self.viewer = None
@ -171,4 +176,64 @@ class TempoVis(FrozenClass):
items = [(tuple(item[0]), item[1]) for item in items]
self.data = dict(items)
self.links_are_lost = True
def _getPickStyleNode(self, viewprovider, make_if_missing = True):
from pivy import coin
sa = coin.SoSearchAction()
sa.setType(coin.SoPickStyle.getClassTypeId())
sa.traverse(viewprovider.RootNode)
if sa.isFound() and sa.getPath().getLength() == 1:
return sa.getPath().getTail()
else:
if not make_if_missing:
return None
pick_style = coin.SoPickStyle()
pick_style.style.setValue(coin.SoPickStyle.SHAPE)
viewprovider.RootNode.insertChild(pick_style, 0)
return pick_style
def _getPickStyle(self, viewprovider):
ps = self._getPickStyleNode(viewprovider, make_if_missing= False)
if ps is not None:
return ps.style.getValue()
else:
return 0 #coin.SoPickStyle.SHAPE
def _setPickStyle(self, viewprovider, pickstyle):
ps = self._getPickStyleNode(viewprovider, make_if_missing= pickstyle != 0) #coin.SoPickStyle.SHAPE
if ps is not None:
return ps.style.setValue(pickstyle)
def setUnpickable(self, doc_obj_or_list, actual_pick_style = 2): #2 is coin.SoPickStyle.UNPICKABLE
'''setUnpickable(doc_obj_or_list, actual_pick_style = 2): sets object unpickable (transparent to clicks).
doc_obj_or_list: object or list of objects to alter (App)
actual_pick_style: optional parameter, specifying the actual pick style:
0 = regular, 1 = bounding box, 2 (default) = unpickable.
Implementation detail: uses SoPickStyle node. If viewprovider already has a node
of this type as direct child, one is used. Otherwise, new one is created and
inserted as the very first node, and remains there even after restore()/deleting
tempovis. '''
if App.GuiUp:
if type(doc_obj_or_list) is not list:
doc_obj_or_list = [doc_obj_or_list]
for doc_obj in doc_obj_or_list:
if doc_obj.Document is not self.document: #ignore objects from other documents
raise ValueError("Document object to be modified does not belong to document TempoVis was made for.")
oldval = self._getPickStyle(doc_obj.ViewObject)
if actual_pick_style != oldval:
self._setPickStyle(doc_obj.ViewObject, actual_pick_style)
self.restore_on_delete = True
if not self.data_pickstyle.has_key(doc_obj.Name):
self.data_pickstyle[doc_obj.Name] = oldval
def restoreUnpickable(self):
for obj_name in self.data_pickstyle:
try:
self._setPickStyle(self.document.getObject(obj_name).ViewObject, self.data_pickstyle[obj_name])
except Exception as err:
App.Console.PrintWarning("TempoVis: failed to restore pickability of {obj}. {err}\n"
.format(err= err.message,
obj= obj_name))