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Message #24420
[Bug 1056412] Re: White flash when coming back from "Show desktop"
When I use "." to hide live, I also get the following:
2014-10-21 16:20:21,543 openlp.core.ui.maindisplay.MainDisplay DEBUG Entering hide_display
2014-10-21 16:20:21,543 openlp.core.ui.maindisplay.MainDisplay DEBUG hide_display mode = 1
2014-10-21 16:20:21,544 openlp.core.common.registry ERROR OpenLP Error trace
File ./openlp.py at line 44
called main()
File /home/ken/program/python/openlp-bzr/trunk/openlp/core/__init__.py at line 332
called sys.exit(application.run(qt_args))
File /home/ken/program/python/openlp-bzr/trunk/openlp/core/common/openlpmixin.py at line 61
called return func(*args, **kwargs)
File /home/ken/program/python/openlp-bzr/trunk/openlp/core/__init__.py at line 160
called return self.exec_()
File /home/ken/program/python/openlp-bzr/trunk/openlp/core/common/openlpmixin.py at line 61
called return func(*args, **kwargs)
File /home/ken/program/python/openlp-bzr/trunk/openlp/core/__init__.py at line 98
called result = QtGui.QApplication.exec_()
File /home/ken/program/python/openlp-bzr/trunk/openlp/core/common/openlpmixin.py at line 61
called return func(*args, **kwargs)
File /home/ken/program/python/openlp-bzr/trunk/openlp/core/ui/slidecontroller.py at line 928
called self.blank_plugin()
File /home/ken/program/python/openlp-bzr/trunk/openlp/core/common/openlpmixin.py at line 61
called return func(*args, **kwargs)
File /home/ken/program/python/openlp-bzr/trunk/openlp/core/ui/slidecontroller.py at line 985
called self.service_item.name.lower(), [self.service_item, self.is_live, hide_mode])
File /home/ken/program/python/openlp-bzr/trunk/openlp/core/common/registry.py at line 156
called trace_error_handler(log)
File /home/ken/program/python/openlp-bzr/trunk/openlp/core/common/__init__.py at line 59
called for tb in traceback.extract_stack():
2014-10-21 16:20:21,545 openlp.core.common.registry ERROR Event songs_blank called but not registered
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https://bugs.launchpad.net/bugs/1056412
Title:
White flash when coming back from "Show desktop"
Status in OpenLP - Worship Presentation Software:
New
Bug description:
1. Use dark backgroud for your slide and desktop, black would work fine.
2. Send something live
3. Press D repeatedly to see how every time live window is recreated it flashes white.
Some probably flawed ideas how to prevent this:
Send first extra short webpage with only background information (when using images it would still take some time and might not work so good)
Start window minimized and show it after it has finished rendering
Start window somewhere else and move it to the right position after it has finished rendering
Or maybe this is not fixable. But at least we gave a thought :)
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References