def __init__(self, url, icon, title, size):
super(CefApp, self).__init__([])
if cef.GetAppSetting("external_message_pump") or \
cef.GetAppSetting("multi_threaded_message_loop"):
self.timer = None
else:
self.timer = self.createTimer()
self.url, self.icon, self.title, self.size = url, icon, title, size
self.main_window = MainWindow(url, icon, title, size)
self.main_window.show()
self.main_window.activateWindow()
self.main_window.raise_()
self.frame = self.main_window
def OnGotFocus(self, browser, **_):
if cef.GetAppSetting("debug"):
print("[qt.py] FocusHandler.OnGotFocus")
self.cef_widget.setFocus()
# Temporary fix no. 1 for focus issues on Linux (Issue #284)
if LINUX:
browser.SetFocus(True)
def focusOutEvent(self, event):
# This event seems to never get called on Linux, as CEF is
# stealing all focus due to Issue #284.
if cef.GetAppSetting("debug"):
print("[qt.py] CefWidget.focusOutEvent")
if self.browser:
self.browser.SetFocus(False)
def main():
freeze_support()
# This generates an error.log file on error
sys.excepthook = cef.ExceptHook # To shutdown all CEF processes on error
settings = {}
# Instead of timer loop
if MAC:
settings["external_message_pump"] = True
# Create and launch cef browser and qt window
cef.Initialize(settings)
app = CefApplication(sys.argv)
main_window = MainWindow()
main_window.setWindowTitle("cellxgene")
main_window.setUnifiedTitleAndToolBarOnMac(True)
main_window.setWindowIcon(QIcon(":icon.png"))
main_window.show()
main_window.activateWindow()
main_window.raise_()
try:
app.exec_()
except Exception as e:
raise
finally:
# Clean up on close
if not cef.GetAppSetting("external_message_pump"):
app.stopTimer()
main_window.shutdownServer()
del main_window # Just to be safe, similarly to "del app"
del app # Must destroy app object before calling Shutdown
cef.Shutdown()
sys.exit(0)
def focusInEvent(self, event):
# This event seems to never get called on Linux, as CEF is
# stealing all focus due to Issue #284.
if cef.GetAppSetting("debug"):
print("[qt.py] CefWidget.focusInEvent")
if self.browser:
if WINDOWS:
WindowUtils.OnSetFocus(self.getHandle(), 0, 0, 0)
self.browser.SetFocus(True)
def OnGotFocus(self, browser, **_):
if cef.GetAppSetting("debug"):
print("[qt.py] FocusHandler.OnGotFocus")
# Check if browser is not closing otherwise error occurs in PySide:
# > RuntimeError: Internal C++ object (CefWidget) already deleted.
if not browser.GetUserData("closing-browser") and self.cef_widget:
self.cef_widget.setFocus()
# Temporary fix no. 1 for focus issues on Linux (Issue #284)
if LINUX:
browser.SetFocus(True)
def main():
check_versions()
sys.excepthook = cef.ExceptHook # To shutdown all CEF processes on error
settings = {}
cef.Initialize(settings)
app = CefApplication(sys.argv)
main_window = MainWindow()
main_window.show()
main_window.activateWindow()
main_window.raise_()
app.exec_()
if not cef.GetAppSetting("external_message_pump"):
app.stopTimer()
del main_window # Just to be safe, similarly to "del app"
del app # Must destroy app object before calling Shutdown
cef.Shutdown()
def main():
"""
See https://github.com/cztomczak/cefpython/blob/master/api/ApplicationSettings.md
for mor settings
"""
sys.excepthook = cef.ExceptHook # To shutdown all CEF processes on error
# see for more infos
settings = {'auto_zooming': f'{ZOOM_FACTOR}'}
cef.Initialize(settings)
app = CefApplication(sys.argv)
main_window = MainWindow()
main_window.show()
main_window.activateWindow()
main_window.raise_()
app.exec_()
if not cef.GetAppSetting("external_message_pump"):
app.stopTimer()
del main_window # Just to be safe, similarly to "del app"
del app # Must destroy app object before calling Shutdown
cef.Shutdown()
def main():
check_versions()
sys.excepthook = cef.ExceptHook # To shutdown all CEF processes on error
settings = {}
if MAC:
# Issue #442 requires enabling message pump on Mac
# in Qt example. Calling cef.DoMessageLoopWork in a timer
# doesn't work anymore.
settings["external_message_pump"] = True
cef.Initialize(settings)
app = CefApplication(sys.argv)
main_window = MainWindow()
main_window.show()
main_window.activateWindow()
main_window.raise_()
app.exec_()
if not cef.GetAppSetting("external_message_pump"):
app.stopTimer()
del main_window # Just to be safe, similarly to "del app"
del app # Must destroy app object before calling Shutdown
cef.Shutdown()
def __init__(self, args):
super(CefApplication, self).__init__(args)
if not cef.GetAppSetting("external_message_pump"):
self.timer = self.createTimer()
def OnSetFocus(self, **_):
if cef.GetAppSetting("debug"):
print("[qt.py] FocusHandler.OnSetFocus")
def OnTakeFocus(self, **_):
if cef.GetAppSetting("debug"):
log.info("[qt.py] FocusHandler.OnTakeFocus")
