set maya script editor font size on hidpi laptop screen

setFontSize.py

from PyQt4 import QtGui,QtCore
from maya import cmds
import maya.OpenMayaUI as apiUI
import sip

ptr = apiUI.MQtUtil.mainWindow()
mwin=sip.wrapinstance(long(ptr), QtCore.QObject)

cmdReporters = cmds.lsUI(type='cmdScrollFieldReporter')
cmdReporter = mwin.findChild(QtGui.QTextEdit, cmdReporters[0])

font=cmdReporter.font()
# default is 12
font.setPixelSize(16)
cmdReporter.setFont(font)

# for cmdScrollFieldExecuters, this return a list
cmdExecuters = cmds.lsUI(type='cmdScrollFieldExecuter')

# 但是似乎这样就不能滚轮缩放了
app = QtGui.QApplication.instance()

# 把 stylesheet 只用到script editor 上也会让滚轮不能用了
# ptr = apiUI.MQtUtil.findControl('scriptEditorPanel1Window')
# win = sip.wrapinstance(long(ptr), QtCore.QObject)

styleSheet = '''
QTextEdit {
  font-family: "Courier New";
  font: normal %spx;
}
''' % '16'
app.setStyleSheet(styleSheet)