def _remove_event_compression_workarounds(self):
"""Removes all workarounds for the motion event compression bug"""
msg_prefix = "Remove motion event compression workaround: "
for tdw, drawstate in self._drawing_state.iteritems():
win = tdw.get_window()
workaround_used = drawstate.event_compression_workaround
if workaround_used == EVCOMPRESSION_WORKAROUND_DISABLE_VIA_API:
mcomp = drawstate.event_compression_was_enabled
assert mcomp is not None
logger.debug(
msg_prefix + "restoring event_compression to %r (%r)",
mcomp,
tdw,
)
win.set_event_compression(mcomp)
elif workaround_used == EVCOMPRESSION_WORKAROUND_EVHACK_FILTER:
drawstate = self._get_drawing_state(tdw)
data = drawstate.evhack_data
assert data is not None
logger.warning(msg_prefix + "removing evhack filter %r", data)
mypaintlib.evhack_gdk_window_remove_filter(win, data)
drawstate.evhack_data = None
drawstate.evhack_positions = []
else:
logger.warning(msg_prefix + "no workaround to disable")
drawstate.event_compression_workaround = None
def _remove_event_compression_workarounds(self):
"""Removes all workarounds for the motion event compression bug"""
msg_prefix = "Remove motion event compression workaround: "
for tdw, drawstate in self._drawing_state.iteritems():
win = tdw.get_window()
workaround_used = drawstate.event_compression_workaround
if workaround_used == EVCOMPRESSION_WORKAROUND_DISABLE_VIA_API:
mcomp = drawstate.event_compression_was_enabled
assert mcomp is not None
logger.debug(
msg_prefix + "restoring event_compression to %r (%r)",
mcomp, tdw,
)
win.set_event_compression(mcomp)
elif workaround_used == EVCOMPRESSION_WORKAROUND_EVHACK_FILTER:
drawstate = self._get_drawing_state(tdw)
data = drawstate.evhack_data
assert data is not None
logger.warning(msg_prefix + "removing evhack filter %r", data)
mypaintlib.evhack_gdk_window_remove_filter(win, data)
drawstate.evhack_data = None
drawstate.evhack_positions = []
else:
logger.warning(msg_prefix + "no workaround to disable")
drawstate.event_compression_workaround = None
def _remove_evhacks(self):
for tdw, drawstate in self._drawing_state.iteritems():
win = tdw.get_window()
drawstate = self._get_drawing_state(tdw)
data = drawstate.evhack_data
if data is None:
continue
logger.debug("Removing evhack filter %r", data)
mypaintlib.evhack_gdk_window_remove_filter(win, data)
drawstate.evhack_data = None
drawstate.evhack_positions = []
def _remove_evhacks(self):
for tdw, drawstate in self._drawing_state.iteritems():
win = tdw.get_window()
if hasattr(win, 'set_event_compression'):
# GTK+ 3.12 and above
drawstate.evhack_data = None
else:
drawstate = self._get_drawing_state(tdw)
data = drawstate.evhack_data
if data is None:
continue
logger.debug("Removing evhack filter %r", data)
mypaintlib.evhack_gdk_window_remove_filter(win, data)
drawstate.evhack_data = None
drawstate.evhack_positions = []
def _remove_evhacks(self):
for tdw, drawstate in self._drawing_state.iteritems():
win = tdw.get_window()
if hasattr(win, 'set_event_compression'):
# GTK+ 3.12 and above
drawstate.evhack_data = None
else:
drawstate = self._get_drawing_state(tdw)
data = drawstate.evhack_data
if data is None:
continue
logger.debug("Removing evhack filter %r", data)
mypaintlib.evhack_gdk_window_remove_filter(win, data)
drawstate.evhack_data = None
drawstate.evhack_positions = []
