本文整理匯總了Python中pyqtcore.QList.first方法的典型用法代碼示例。如果您正苦於以下問題：Python QList.first方法的具體用法？Python QList.first怎麽用？Python QList.first使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類pyqtcore.QList的用法示例。
在下文中一共展示了QList.first方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: selectionChanged
# 需要導入模塊: from pyqtcore import QList [as 別名]
# 或者: from pyqtcore.QList import first [as 別名]
def selectionChanged(self, selected, deselected):
super().selectionChanged(selected, deselected)
if (not self.mMapDocument or self.mSynching):
return
selectedRows = self.selectionModel().selectedRows()
currentLayerIndex = -1
selectedObjects = QList()
for index in selectedRows:
og = self.model().toLayer(index)
if og:
i = self.mMapDocument.map().layers().indexOf(og)
if (currentLayerIndex == -1):
currentLayerIndex = i
elif (currentLayerIndex != i):
currentLayerIndex = -2
o = self.model().toMapObject(index)
if o:
selectedObjects.append(o)
# Switch the current object layer if only one object layer (and/or its objects)
# are included in the current selection.
if (currentLayerIndex >= 0 and currentLayerIndex != self.mMapDocument.currentLayerIndex()):
self.mMapDocument.setCurrentLayerIndex(currentLayerIndex)
if (selectedObjects != self.mMapDocument.selectedObjects()):
self.mSynching = True
if (selectedObjects.count() == 1):
o = selectedObjects.first()
center = o.bounds().center()
DocumentManager.instance().centerViewOn(center)
self.mMapDocument.setSelectedObjects(selectedObjects)
self.mSynching = False