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Code Issues Projects Releases Packages Wiki Activity Actions 8

Put a change timer on the globalStacks model

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This decreases the time that a first thing is shown on the main screen (as the creation
of the global stack model doesn't block the UI anymore)
This commit is contained in:
Jaime van Kessel 2019-02-21 18:30:23 +01:00
parent 48ed9b6e20
commit 5118953373
1 changed files with 11 additions and 3 deletions
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14
cura/GlobalStacksModel.py
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@ -3,7 +3,7 @@
from UM.Qt.ListModel import ListModel
from PyQt5.QtCore import pyqtProperty, Qt, pyqtSignal
from PyQt5.QtCore import pyqtProperty, Qt, pyqtSignal, QTimer
from cura.PrinterOutputDevice import ConnectionType
from cura.Settings.CuraContainerRegistry import CuraContainerRegistry
@ -26,18 +26,26 @@ class GlobalStacksModel(ListModel):
self.addRoleName(self.MetaDataRole, "metadata")
self._container_stacks = []
self._change_timer = QTimer()
self._change_timer.setInterval(200)
self._change_timer.setSingleShot(True)
self._change_timer.timeout.connect(self._update)
# Listen to changes
CuraContainerRegistry.getInstance().containerAdded.connect(self._onContainerChanged)
CuraContainerRegistry.getInstance().containerMetaDataChanged.connect(self._onContainerChanged)
CuraContainerRegistry.getInstance().containerRemoved.connect(self._onContainerChanged)
self._filter_dict = {}
self._update()
self._updateDelayed()
## Handler for container added/removed events from registry
def _onContainerChanged(self, container):
# We only need to update when the added / removed container GlobalStack
if isinstance(container, GlobalStack):
self._update()
self._updateDelayed()
def _updateDelayed(self):
self._change_timer.start()
def _update(self) -> None:
items = []