qteditorfactory.py 文件源码

def setupTreeViewEditorMargin(lt):
    DecorationMargin = 4
    if (QApplication.layoutDirection() == Qt.LeftToRight):
        lt.setContentsMargins(DecorationMargin, 0, 0, 0)
    else:
        lt.setContentsMargins(0, 0, DecorationMargin, 0)