def __init__(self, window):
self.window = window
self.global_mode = None
self.major_mode = None
self.minor_modes = []
self.minor_seqno = 0
self.keyseq = KeySequencer()
self.event_sources = {}
self.root_source = None
self.pointer_x = None
self.pointer_y = None
self.pointer_ev_x = None
self.pointer_ev_y = None
self.pointer_obj = None
self.pointer_obj_time = None
self.pointer_leave_time = None
self.pointer_lastobj = None
self.hover_thresh = timedelta(microseconds=750000)
self.hover_mon = QuittableThread(target=self._hover_mon)
self.hover_mon.start()
def __init__(self, window):
self.window = window
self.global_mode = None
self.major_mode = None
self.minor_modes = []
self.minor_seqno = 0
self.keyseq = KeySequencer()
self.event_sources = {}
self.root_source = None
self.pointer_x = None
self.pointer_y = None
self.pointer_ev_x = None
self.pointer_ev_y = None
self.pointer_obj = None
self.pointer_obj_time = None
self.pointer_leave_time = None
self.pointer_lastobj = None
self.hover_thresh=timedelta(microseconds=750000)
self.hover_mon = QuittableThread(target=self._hover_mon)
self.hover_mon.start()
class InputManager (object):
class InputNeedsRequeue (Exception):
pass
def __init__(self, window):
self.window = window
self.global_mode = None
self.major_mode = None
self.minor_modes = []
self.minor_seqno = 0
self.keyseq = KeySequencer()
self.event_sources = {}
self.root_source = None
self.pointer_x = None
self.pointer_y = None
self.pointer_ev_x = None
self.pointer_ev_y = None
self.pointer_obj = None
self.pointer_obj_time = None
self.pointer_leave_time = None
self.pointer_lastobj = None
self.hover_thresh=timedelta(microseconds=750000)
self.hover_mon = QuittableThread(target=self._hover_mon)
self.hover_mon.start()
def _hover_mon(self, thread, *rest):
while not thread.join_req:
if self.pointer_obj_time is not None:
elapsed = datetime.now() - self.pointer_obj_time
if elapsed > self.hover_thresh:
MFPGUI().clutter_do(self._hover_handler)
time.sleep(0.2)
def _hover_handler(self):
self.handle_keysym(self.keyseq.canonicalize("HOVER"))
return False
def global_binding(self, key, action, helptext=''):
self.global_mode.bind(key, action, helptext)
def set_major_mode(self, mode):
if isinstance(self.major_mode, InputMode):
self.major_mode.disable()
self.major_mode = mode
mode.enable()
self.window.display_bindings()
def enable_minor_mode(self, mode):
def modecmp(a, b):
return cmp(b.affinity, a.affinity) or cmp(b.seqno, a.seqno)
do_enable = True
if mode in self.minor_modes:
self.minor_modes.remove(mode)
do_enable = False
mode.seqno = self.minor_seqno
self.minor_seqno += 1
self.minor_modes[:0] = [mode]
self.minor_modes.sort(cmp=modecmp)
self.window.display_bindings()
if do_enable:
mode.enable()
def disable_minor_mode(self, mode):
mode.disable()
self.minor_modes.remove(mode)
self.window.display_bindings()
def synthesize(self, key):
self.keyseq.sequences.append(key)
def handle_keysym(self, keysym):
if keysym is not None:
# check minor modes first
for minor in self.minor_modes:
handler = minor.lookup(keysym)
if handler is not None:
handled = handler[0]()
if handled:
return True
# then major mode
if self.major_mode is not None:
handler = self.major_mode.lookup(keysym)
if handler is not None:
handled = handler[0]()
if handled:
return True
# then global
handler = self.global_mode.lookup(keysym)
if handler is not None:
handled = handler[0]()
if handled:
return True
return False
def handle_event(self, stage, event):
from gi.repository import Clutter
from mfp import log
keysym = None
if event.type in (
Clutter.EventType.KEY_PRESS, Clutter.EventType.KEY_RELEASE,
Clutter.EventType.BUTTON_PRESS,
Clutter.EventType.BUTTON_RELEASE, Clutter.EventType.SCROLL):
self.keyseq.process(event)
if len(self.keyseq.sequences):
keysym = self.keyseq.pop()
elif event.type == Clutter.EventType.MOTION:
# FIXME: if the scaling changes so that window.stage_pos would return a
# different value, that should generate a MOTION event. Currently we are
# just kludging pointer_x and pointer_y from the scale callback.
self.pointer_ev_x = event.x
self.pointer_ev_y = event.y
self.pointer_x, self.pointer_y = self.window.stage_pos(event.x, event.y)
self.keyseq.process(event)
if len(self.keyseq.sequences):
keysym = self.keyseq.pop()
elif event.type == Clutter.EventType.ENTER:
src = self.event_sources.get(event.source)
now = datetime.now()
if (self.pointer_leave_time is not None
and (now - self.pointer_leave_time) > timedelta(milliseconds=100)):
self.keyseq.mod_keys = set()
self.window.grab_focus()
if src and self.window.object_visible(src):
self.pointer_obj = src
self.pointer_obj_time = now
elif event.type == Clutter.EventType.LEAVE:
src = self.event_sources.get(event.source)
self.pointer_leave_time = datetime.now()
if src == self.pointer_obj:
self.pointer_lastobj = self.pointer_obj
self.pointer_obj = None
self.pointer_obj_time = None
else:
log.debug("event type not matched:", event.type)
return False
if not keysym:
return True
retry_count = 0
while True:
rv = None
try:
retry_count += 1
rv = self.handle_keysym(keysym)
except self.InputNeedsRequeue, e:
if retry_count < 5:
continue
else:
return False
except Exception, e:
log.error("Exception while handling key command", keysym)
log.debug(e)
log.debug_traceback()
return rv
class InputManager(object):
class InputNeedsRequeue(Exception):
pass
def __init__(self, window):
self.window = window
self.global_mode = None
self.major_mode = None
self.minor_modes = []
self.minor_seqno = 0
self.keyseq = KeySequencer()
self.event_sources = {}
self.root_source = None
self.pointer_x = None
self.pointer_y = None
self.pointer_ev_x = None
self.pointer_ev_y = None
self.pointer_obj = None
self.pointer_obj_time = None
self.pointer_leave_time = None
self.pointer_lastobj = None
self.hover_thresh = timedelta(microseconds=750000)
self.hover_mon = QuittableThread(target=self._hover_mon)
self.hover_mon.start()
def _hover_mon(self, thread, *rest):
while not thread.join_req:
if self.pointer_obj_time is not None:
elapsed = datetime.now() - self.pointer_obj_time
if elapsed > self.hover_thresh:
MFPGUI().clutter_do(self._hover_handler)
time.sleep(0.2)
def _hover_handler(self):
self.handle_keysym(self.keyseq.canonicalize("HOVER"))
return False
def global_binding(self, key, action, helptext=''):
self.global_mode.bind(key, action, helptext)
def set_major_mode(self, mode):
if isinstance(self.major_mode, InputMode):
self.major_mode.disable()
self.major_mode = mode
mode.enable()
self.window.display_bindings()
def enable_minor_mode(self, mode):
def modecmp(a, b):
return cmp(b.affinity, a.affinity) or cmp(b.seqno, a.seqno)
do_enable = True
if mode in self.minor_modes:
self.minor_modes.remove(mode)
do_enable = False
mode.seqno = self.minor_seqno
self.minor_seqno += 1
self.minor_modes[:0] = [mode]
self.minor_modes.sort(cmp=modecmp)
self.window.display_bindings()
if do_enable:
mode.enable()
def disable_minor_mode(self, mode):
mode.disable()
self.minor_modes.remove(mode)
self.window.display_bindings()
def synthesize(self, key):
self.keyseq.sequences.append(key)
def handle_keysym(self, keysym):
def show_on_hud(keysym, mode, handler):
mdesc = hdesc = ""
if mode and mode.description:
mdesc = mode.description
if handler and handler[1]:
hdesc = handler[1]
if hdesc:
self.window.hud_write("%s: %s (%s)" % (keysym, hdesc, mdesc))
if keysym is not None:
# check minor modes first
for minor in self.minor_modes:
handler = minor.lookup(keysym)
if handler is not None:
show_on_hud(keysym, minor, handler)
handled = handler[0]()
if handled:
return True
# then major mode
if self.major_mode is not None:
handler = self.major_mode.lookup(keysym)
if handler is not None:
show_on_hud(keysym, self.major_mode, handler)
handled = handler[0]()
if handled:
return True
# then global
handler = self.global_mode.lookup(keysym)
if handler is not None:
show_on_hud(keysym, self.global_mode, handler)
handled = handler[0]()
if handled:
return True
return False
def handle_event(self, stage, event):
from gi.repository import Clutter
keysym = None
if event.type in (Clutter.EventType.KEY_PRESS,
Clutter.EventType.KEY_RELEASE,
Clutter.EventType.BUTTON_PRESS,
Clutter.EventType.BUTTON_RELEASE,
Clutter.EventType.SCROLL):
self.keyseq.process(event)
if len(self.keyseq.sequences):
keysym = self.keyseq.pop()
elif event.type == Clutter.EventType.MOTION:
# FIXME: if the scaling changes so that window.stage_pos would return a
# different value, that should generate a MOTION event. Currently we are
# just kludging pointer_x and pointer_y from the scale callback.
self.pointer_ev_x = event.x
self.pointer_ev_y = event.y
self.pointer_x, self.pointer_y = self.window.stage_pos(
event.x, event.y)
self.keyseq.process(event)
if len(self.keyseq.sequences):
keysym = self.keyseq.pop()
elif event.type == Clutter.EventType.ENTER:
src = self.event_sources.get(event.source)
now = datetime.now()
if (self.pointer_leave_time is not None and
(now - self.pointer_leave_time) > timedelta(milliseconds=100)):
self.keyseq.mod_keys = set()
self.window.embed.grab_focus()
if src and self.window.object_visible(src):
self.pointer_obj = src
self.pointer_obj_time = now
elif event.type == Clutter.EventType.LEAVE:
src = self.event_sources.get(event.source)
self.pointer_leave_time = datetime.now()
if src == self.pointer_obj:
self.pointer_lastobj = self.pointer_obj
self.pointer_obj = None
self.pointer_obj_time = None
else:
return False
retry_count = 0
while True:
rv = None
try:
retry_count += 1
rv = self.handle_keysym(keysym)
except self.InputNeedsRequeue, e:
if retry_count < 5:
continue
else:
return False
except Exception, e:
from mfp import log
import traceback
log.error("Exception while handling key command", keysym)
for l in traceback.format_exc().split("\n"):
log.debug(l)
log.debug(e)
return rv
