117 lines
4.7 KiB
Python
117 lines
4.7 KiB
Python
import FreeCAD
|
|
import FreeCADGui as Gui
|
|
import subprocess
|
|
import PySide
|
|
import re
|
|
from PySide import QtGui
|
|
from PySide import QtCore
|
|
|
|
import ExternalAppsList
|
|
from MyX11Utils import *
|
|
|
|
class EmbeddedWindow(QtCore.QObject):
|
|
def __init__(self, app, externalAppInstance, processId, windowId):
|
|
super(EmbeddedWindow, self).__init__()
|
|
self.app = app
|
|
self.externalAppInstance = externalAppInstance
|
|
self.processId = processId
|
|
self.windowId = windowId
|
|
self.mdi = Gui.getMainWindow().findChild(QtGui.QMdiArea)
|
|
self.xw = QtGui.QWindow.fromWinId(self.windowId)
|
|
self.xw.setFlags(QtGui.Qt.FramelessWindowHint)
|
|
self.xwd = QtGui.QWidget.createWindowContainer(self.xw)
|
|
self.mwx = QtGui.QMainWindow()
|
|
self.mwx.layout().addWidget(self.xwd)
|
|
self.mdiSub = self.mdi.addSubWindow(self.xwd)
|
|
self.xwd.setBaseSize(640,480)
|
|
self.mwx.setBaseSize(640,480)
|
|
self.mdiSub.setBaseSize(640,480)
|
|
self.mdiSub.setWindowTitle(app.name)
|
|
self.mdiSub.show()
|
|
#self.xw.installEventFilter(self)
|
|
def eventFilter(self, obj, event):
|
|
# This doesn't seem to work, some events occur but no the close one.
|
|
if event.type() == QtCore.QEvent.Close:
|
|
mdiSub.close()
|
|
return False
|
|
|
|
|
|
# <optional spaces> <digits (captured in group 1)> <optional spaces> "<quoted string>" <optional spaces> : <anything>
|
|
xwininfo_re = re.compile(r'^\s*([0-9]+)\s*"[^"]*"\s*:.*$')
|
|
|
|
def try_pipe_lines(commandAndArguments):
|
|
try:
|
|
return subprocess.check_output(commandAndArguments).decode('utf-8', 'ignore').split('\n')
|
|
except:
|
|
return []
|
|
|
|
class ExternalApps():
|
|
def __init__(self):
|
|
setattr(FreeCAD, 'ExternalApps', self)
|
|
|
|
def deleted(widget):
|
|
"""Detect RuntimeError: Internal C++ object (PySide2.QtGui.QWindow) already deleted."""
|
|
try:
|
|
str(widget) # str fails on already-deleted Qt wrappers.
|
|
return False
|
|
except:
|
|
return True
|
|
|
|
class ExternalAppInstance(QtCore.QObject):
|
|
def __init__(self, appName):
|
|
super(ExternalAppInstance, self).__init__()
|
|
self.app = ExternalAppsList.apps[appName]
|
|
# Start the application
|
|
# TODO: popen_process shouldn't be exposed to in-document scripts, it would allow them to redirect output etc.
|
|
print('Starting ' + ' '.join(self.app.start_command_and_args))
|
|
self.popen_process = subprocess.Popen(self.app.start_command_and_args)
|
|
self.appProcessIds = [self.popen_process.pid]
|
|
self.initWaitForWindow()
|
|
self.foundWindows = dict()
|
|
setattr(FreeCAD.ExternalApps, self.app.name, self)
|
|
|
|
def initWaitForWindow(self):
|
|
self.TimeoutHasOccurred = False # for other scritps to know the status
|
|
self.startupTimeout = 10000
|
|
self.elapsed = QtCore.QElapsedTimer()
|
|
self.elapsed.start()
|
|
self.timer = QtCore.QTimer(self)
|
|
self.timer.timeout.connect(self.attemptToFindWindow)
|
|
|
|
def waitForWindow(self):
|
|
self.timer.start(50)
|
|
|
|
@QtCore.Slot()
|
|
def attemptToFindWindow(self):
|
|
try:
|
|
self.attemptToFindWindowWrapped()
|
|
except:
|
|
self.timer.stop()
|
|
raise
|
|
|
|
def attemptToFindWindowWrapped(self):
|
|
# use decode('utf-8', 'ignore') to use strings instead of byte strings and discard ill-formed unicode in case these tool doesn't sanitize their output
|
|
for line in try_pipe_lines(['xwininfo', '-root', '-tree', '-int']):
|
|
if self.app.xwininfo_filter_re.search(line):
|
|
windowId = int(xwininfo_re.match(line).group(1))
|
|
# use decode('utf-8', 'ignore') to use strings instead of byte strings and discard ill-formed unicode in case this tool doesn't sanitize their output
|
|
xprop_try_process_id = x11prop(windowId, '_NET_WM_PID', 'CARDINAL')
|
|
if xprop_try_process_id:
|
|
processId = int(xprop_try_process_id) # TODO try parse int and catch failure
|
|
if processId in self.appProcessIds:
|
|
if self.app.extra_xprop_filter(processId, windowId, len(self.foundWindows)):
|
|
self.foundWindow(processId, windowId)
|
|
|
|
if self.elapsed.elapsed() > self.startupTimeout:
|
|
self.timer.stop()
|
|
self.TimeoutHasOccurred = True
|
|
|
|
def foundWindow(self, processId, windowId):
|
|
if windowId not in self.foundWindows.keys():
|
|
self.foundWindows[windowId] = EmbeddedWindow(self.app, self, processId, windowId)
|
|
# TODO: find an event instead of polling
|
|
for w in self.foundWindows.values():
|
|
#if not deleted(xw) and not xw.isActive():
|
|
if not x11stillAlive(w.windowId):
|
|
w.mdiSub.close()
|