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# Copyright (c) 2015 Ultimaker B.V.
# Uranium is released under the terms of the LGPLv3 or higher.
from PyQt6.QtCore import Qt
from UM.Event import Event, MouseEvent
from UM.Math.Vector import Vector
from UM.Operations.GroupedOperation import GroupedOperation
from UM.Operations.MirrorOperation import MirrorOperation
from UM.Scene.Selection import Selection
from UM.Scene.ToolHandle import ToolHandle
from UM.Tool import Tool
from . import MirrorToolHandle
class MirrorTool(Tool):
"""Provides the tool to mirror meshes and groups"""
def __init__(self):
super().__init__()
self._handle = MirrorToolHandle.MirrorToolHandle()
self._shortcut_key = Qt.Key.Key_M
self._operation_started = False
def event(self, event):
"""Handle mouse and keyboard events
:param event: type(Event)
"""
super().event(event)
if event.type == Event.MousePressEvent and self._controller.getToolsEnabled():
# Initialise a mirror operation
if MouseEvent.LeftButton not in event.buttons:
return False
id = self._selection_pass.getIdAtPosition(event.x, event.y)
if not id:
return False
if self._handle.isAxis(id):
self.setLockedAxis(id)
self._operation_started = True
self.operationStarted.emit(self)
return True
if event.type == Event.MouseReleaseEvent:
if self._operation_started:
self._operation_started = False
self.operationStopped.emit(self)
# Perform a mirror operation
if self.getLockedAxis() != ToolHandle.NoAxis:
if Selection.getCount() == 1:
node = Selection.getSelectedObject(0)
if self.getLockedAxis() == ToolHandle.XAxis:
mirror = Vector(-1, 1, 1)
elif self.getLockedAxis() == ToolHandle.YAxis:
mirror = Vector(1, -1, 1)
elif self.getLockedAxis() == ToolHandle.ZAxis:
mirror = Vector(1, 1, -1)
else:
mirror = Vector(1, 1, 1)
op = MirrorOperation(node, mirror, mirror_around_center = True)
else:
op = GroupedOperation()
for node in self._getSelectedObjectsWithoutSelectedAncestors():
if self.getLockedAxis() == ToolHandle.XAxis:
mirror = Vector(-1, 1, 1)
elif self.getLockedAxis() == ToolHandle.YAxis:
mirror = Vector(1, -1, 1)
elif self.getLockedAxis() == ToolHandle.ZAxis:
mirror = Vector(1, 1, -1)
else:
mirror = Vector(1, 1, 1)
op.addOperation(MirrorOperation(node, mirror, mirror_around_center = True))
op.push()
self.setLockedAxis(ToolHandle.NoAxis)
return True
return False
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