本文整理汇总了Python中pyqtcore.QList.reserve方法的典型用法代码示例。如果您正苦于以下问题：Python QList.reserve方法的具体用法？Python QList.reserve怎么用？Python QList.reserve使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pyqtcore.QList的用法示例。
在下文中一共展示了QList.reserve方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: pasteObjectGroup
# 需要导入模块: from pyqtcore import QList [as 别名]
# 或者: from pyqtcore.QList import reserve [as 别名]
def pasteObjectGroup(self, objectGroup, mapDocument, view, mode = PasteMode.Standard):
currentLayer = mapDocument.currentLayer()
if (not currentLayer):
return
currentObjectGroup = currentLayer.asObjectGroup()
if (not currentObjectGroup):
return
# Determine where to insert the objects
renderer = mapDocument.renderer()
center = objectGroup.objectsBoundingRect().center()
# Take the mouse position if the mouse is on the view, otherwise
# take the center of the view.
viewPos = QPoint()
if (view.underMouse()):
viewPos = view.mapFromGlobal(QCursor.pos())
else:
viewPos = QPoint(view.width() / 2, view.height() / 2)
scenePos = view.mapToScene(viewPos)
insertPos = renderer.screenToPixelCoords_(scenePos) - center
SnapHelper(renderer).snap(insertPos)
undoStack = mapDocument.undoStack()
pastedObjects = QList()
pastedObjects.reserve(objectGroup.objectCount())
undoStack.beginMacro(self.tr("Paste Objects"))
for mapObject in objectGroup.objects():
if (mode == PasteMode.NoTileObjects and not mapObject.cell().isEmpty()):
continue
objectClone = mapObject.clone()
objectClone.setPosition(objectClone.position() + insertPos)
pastedObjects.append(objectClone)
undoStack.push(AddMapObject(mapDocument,
currentObjectGroup,
objectClone))
undoStack.endMacro()
mapDocument.setSelectedObjects(pastedObjects)