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applets: attempt at fixing embedding bugs on Windows

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This commit is contained in:
Sebastien Bourdeauducq 2016-02-19 14:48:25 +01:00
parent fef72506e4
commit 28c4d8c2a7
1 changed files with 19 additions and 11 deletions
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30
artiq/applets/simple.py
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@ -1,6 +1,7 @@
import logging
import argparse
import asyncio
import os
from quamash import QEventLoop, QtWidgets, QtGui, QtCore
@ -130,19 +131,26 @@ class SimpleApplet:
def create_main_widget(self):
self.main_widget = self.main_widget_class(self.args)
# Qt window embedding is ridiculously buggy, and empirical testing
# has shown that the following procedure must be followed exactly:
# 1. applet creates widget
# 2. applet creates native window without showing it, and get its ID
# 3. applet sends the ID to host, host embeds the widget
# 4. applet shows the widget
# 5. parent resizes the widget
if self.args.embed is not None:
self.ipc.set_close_cb(self.main_widget.close)
win_id = int(self.main_widget.winId())
self.loop.run_until_complete(self.ipc.embed(win_id))
self.main_widget.show()
self.ipc.fix_initial_size()
if os.name == "nt":
self.main_widget.show()
win_id = int(self.main_widget.winId())
self.loop.run_until_complete(self.ipc.embed(win_id))
else:
# Qt window embedding is ridiculously buggy, and empirical
# testing has shown that the following procedure must be
# followed exactly on Linux:
# 1. applet creates widget
# 2. applet creates native window without showing it, and
# gets its ID
# 3. applet sends the ID to host, host embeds the widget
# 4. applet shows the widget
# 5. parent resizes the widget
win_id = int(self.main_widget.winId())
self.loop.run_until_complete(self.ipc.embed(win_id))
self.main_widget.show()
self.ipc.fix_initial_size()
else:
self.main_widget.show()