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CuraEngineBackend now properly postpones onSceneChanged instead of ignoring some. CURA-3413

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This commit is contained in:
Jack Ha 2017-03-01 11:45:50 +01:00
parent 34d283db53
commit 8a8b97d371
1 changed files with 7 additions and 0 deletions
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7
plugins/CuraEngineBackend/CuraEngineBackend.py
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@ -106,6 +106,7 @@ class CuraEngineBackend(QObject, Backend):
self._backend_log_max_lines = 20000 # Maximum number of lines to buffer
self._error_message = None # Pop-up message that shows errors.
self._last_num_objects = 0 # Count number of objects to see if there is something changed
self._postponed_scene_change_sources = [] # scene change is postponed (by a tool)
self.backendQuit.connect(self._onBackendQuit)
self.backendConnected.connect(self._onBackendConnected)
@ -342,6 +343,8 @@ class CuraEngineBackend(QObject, Backend):
# \param source The scene node that was changed.
def _onSceneChanged(self, source):
if self._tool_active:
# do it later
self._postponed_scene_change_sources.append(source)
return
if type(source) is not SceneNode:
@ -515,6 +518,10 @@ class CuraEngineBackend(QObject, Backend):
def _onToolOperationStopped(self, tool):
self._tool_active = False # React on scene change again
self.determineAutoSlicing()
# Process all the postponed scene changes
while self._postponed_scene_change_sources:
source = self._postponed_scene_change_sources.pop(0)
self._onSceneChanged(source)
## Called when the user changes the active view mode.
def _onActiveViewChanged(self):