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e69a436942
CURA-12660 This required a refactoring of the management of the active view. The previous behavior was that anyone could set the active view, depending on certain conditions. But now we also have a view that is set by a tool, so sometimes the actually set view would be incorrect. Now each Stage requests an active view, and each tool CAN also request an active view. Then the Controller decides which view should actually be active depending on the active stage and tool.
40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
# Copyright (c) 2018 Ultimaker B.V.
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# Cura is released under the terms of the LGPLv3 or higher.
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import os.path
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from UM.Qt.QtApplication import QtApplication
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from cura.Stages.CuraStage import CuraStage
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from typing import TYPE_CHECKING, Optional
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if TYPE_CHECKING:
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from UM.View.View import View
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class PreviewStage(CuraStage):
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"""Displays a preview of what you're about to print.
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The Python component of this stage just loads PreviewMain.qml for display
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when the stage is selected, and makes sure that it reverts to the previous
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view when the previous stage is activated.
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"""
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def __init__(self, application: QtApplication, parent = None) -> None:
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super().__init__(parent)
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self._application = application
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self._application.engineCreatedSignal.connect(self._engineCreated)
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def _engineCreated(self) -> None:
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"""Delayed load of the QML files.
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We need to make sure that the QML engine is running before we can load
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these.
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"""
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plugin_path = self._application.getPluginRegistry().getPluginPath(self.getPluginId())
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if plugin_path is not None:
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menu_component_path = os.path.join(plugin_path, "PreviewMenu.qml")
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main_component_path = os.path.join(plugin_path, "PreviewMain.qml")
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self.addDisplayComponent("menu", menu_component_path)
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self.addDisplayComponent("main", main_component_path)
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