def __init__(self, **kwargs):
super(GestureHistoryManager, self).__init__(**kwargs)
self.gesturesettingsform = GestureSettingsForm()
rr = self.gesturesettingsform.rrdetails
rr.bind(on_reanalyze_selected=self.reanalyze_selected)
self.infopopup = InformationPopup()
self.recognizer = App.get_running_app().recognizer
def __init__(self, **kwargs):
super(GestureHistoryManager, self).__init__(**kwargs)
self.gesturesettingsform = GestureSettingsForm()
rr = self.gesturesettingsform.rrdetails
rr.bind(on_reanalyze_selected=self.reanalyze_selected)
self.infopopup = InformationPopup()
self.recognizer = App.get_running_app().recognizer
class GestureDatabase(GridLayout):
selected_count = NumericProperty(0)
recognizer = ObjectProperty(None)
export_popup = ObjectProperty(GestureExportPopup())
import_popup = ObjectProperty(GestureImportPopup())
info_popup = ObjectProperty(InformationPopup())
def __init__(self, **kwargs):
super(GestureDatabase, self).__init__(**kwargs)
self.redraw_all = Clock.create_trigger(self._redraw_gesture_list, 0)
self.export_popup.ids.save_btn.bind(on_press=self.perform_export)
self.import_popup.ids.filechooser.bind(on_submit=self.perform_import)
def import_gdb(self):
self.gdict = {}
for gesture in self.recognizer.db:
if gesture.name not in self.gdict:
self.gdict[gesture.name] = []
self.gdict[gesture.name].append(gesture)
self.selected_count = 0
self.ids.gesture_list.clear_widgets()
for k in sorted(self.gdict, key=string_lower):
gitem = GestureDatabaseItem(name=k, gesture_list=self.gdict[k])
gitem.bind(on_select=self.select_item)
gitem.bind(on_deselect=self.deselect_item)
self.ids.gesture_list.add_widget(gitem)
def select_item(self, *l):
self.selected_count += 1
def deselect_item(self, *l):
self.selected_count -= 1
def mass_select(self, *l):
if self.selected_count:
for i in self.ids.gesture_list.children:
if i.ids.select.state == 'down':
i.ids.select.state = 'normal'
i.draw_item()
else:
for i in self.ids.gesture_list.children:
if i.ids.select.state == 'normal':
i.ids.select.state = 'down'
i.draw_item()
def unload_gestures(self, *l):
if not self.selected_count:
self.recognizer.db = []
self.ids.gesture_list.clear_widgets()
self.selected_count = 0
return
for i in self.ids.gesture_list.children[:]:
if i.ids.select.state == 'down':
self.selected_count -= 1
for g in i.gesture_list:
# if g in self.recognizer.db: # not needed, for testing
self.recognizer.db.remove(g)
self.ids.gesture_list.remove_widget(i)
def perform_export(self, *l):
path = self.export_popup.ids.filename.text
if not path:
self.export_popup.dismiss()
self.info_popup.text = 'Missing filename'
self.info_popup.open()
return
elif not string_lower(path).endswith('.kg'):
path += '.kg'
self.save_selection_to_file(path)
self.export_popup.dismiss()
self.info_popup.text = 'Gestures exported!'
self.info_popup.open()
def perform_import(self, filechooser, *l):
count = len(self.recognizer.db)
for f in filechooser.selection:
self.recognizer.import_gesture(filename=f)
self.import_gdb()
self.info_popup.text = ("Imported %d gestures.\n" %
(len(self.recognizer.db) - count))
self.import_popup.dismiss()
self.info_popup.open()
def save_selection_to_file(self, filename, *l):
if not self.selected_count:
self.recognizer.export_gesture(filename=filename)
else:
tmpgdb = Recognizer()
for i in self.ids.gesture_list.children:
if i.ids.select.state == 'down':
for g in i.gesture_list:
tmpgdb.db.append(g)
tmpgdb.export_gesture(filename=filename)
def _redraw_gesture_list(self, *l):
for child in self.ids.gesture_list.children:
child._draw_trigger()
class GestureHistoryManager(GridLayout):
selected = ObjectProperty(None, allownone=True)
def __init__(self, **kwargs):
super(GestureHistoryManager, self).__init__(**kwargs)
self.gesturesettingsform = GestureSettingsForm()
rr = self.gesturesettingsform.rrdetails
rr.bind(on_reanalyze_selected=self.reanalyze_selected)
self.infopopup = InformationPopup()
self.recognizer = App.get_running_app().recognizer
def reanalyze_selected(self, *l):
# recognize() can block the UI with max_gpf=100, show a message
self.infopopup.text = 'Please wait, analyzing ..'
self.infopopup.auto_dismiss = False
self.infopopup.open()
# Get a reference to the original GestureContainer object
gesture_obj = self.selected._result_obj._gesture_obj
# Reanalyze the candidate strokes using current database
res = self.recognizer.recognize(gesture_obj.get_vectors(), max_gpf=100)
# Tag the result with the gesture object (it didn't change)
res._gesture_obj = gesture_obj
# Tag the selected item with the updated ProgressTracker
self.selected._result_obj = res
res.bind(on_complete=self._reanalyze_complete)
def _reanalyze_complete(self, *l):
self.gesturesettingsform.load_visualizer(self.selected)
self.infopopup.dismiss()
def add_selected_to_database(self, *l):
if self.selected is None:
raise Exception('add_gesture_to_database before load_visualizer?')
if self.gesturesettingsform.addsettings is None:
raise Exception('add_gesture_to_database missing addsetings?')
ids = self.gesturesettingsform.addsettings.ids
name = ids.name.value.strip()
if name == '':
self.infopopup.auto_dismiss = True
self.infopopup.text = 'You must specify a name for the gesture'
self.infopopup.open()
return
permute = ids.permute.value
sensitive = ids.orientation_sens.value
strokelen = ids.stroke_sens.value
angle_sim = ids.angle_sim.value
cand = self.selected._result_obj._gesture_obj.get_vectors()
if permute and len(cand) > MAX_PERMUTE_STROKES:
t = "Can't heap permute %d-stroke gesture " % (len(cand))
self.infopopup.text = t
self.infopopup.auto_dismiss = True
self.infopopup.open()
return
self.recognizer.add_gesture(name,
cand,
use_strokelen=strokelen,
orientation_sensitive=sensitive,
angle_similarity=angle_sim,
permute=permute)
self.infopopup.text = 'Gesture added to database'
self.infopopup.auto_dismiss = True
self.infopopup.open()
def clear_history(self, *l):
if self.selected:
self.visualizer_deselect()
self.ids.history.clear_widgets()
def visualizer_select(self, visualizer, *l):
if self.selected is not None:
self.selected.selected = False
else:
self.add_widget(self.gesturesettingsform)
self.gesturesettingsform.load_visualizer(visualizer)
self.selected = visualizer
def visualizer_deselect(self, *l):
self.selected = None
self.remove_widget(self.gesturesettingsform)
def add_recognizer_result(self, result, *l):
'''The result object is a ProgressTracker with additional
data; in main.py it is tagged with the original GestureContainer
that was analyzed (._gesture_obj)'''
# Create a GestureVisualizer that draws the gesture on canvas
visualizer = GestureVisualizer(result._gesture_obj,
size_hint=(None, None),
size=(150, 150))
# Tag it with the result object so AddGestureForm.load_visualizer
# has the results to build labels in the scrollview
visualizer._result_obj = result
visualizer.bind(on_select=self.visualizer_select)
visualizer.bind(on_deselect=self.visualizer_deselect)
# Add the visualizer to the list of gestures in 'history' screen
self.ids.history.add_widget(visualizer)
self._trigger_layout()
self.ids.scrollview.update_from_scroll()
def __init__(self, **kwargs):
super(GestureSettingsForm, self).__init__(**kwargs)
self.infopopup = InformationPopup()
self.rrdetails = RecognizerResultDetails()
self.addsettings = None
self.app = App.get_running_app()
class GestureHistoryManager(GridLayout):
selected = ObjectProperty(None, allownone=True)
def __init__(self, **kwargs):
super(GestureHistoryManager, self).__init__(**kwargs)
self.gesturesettingsform = GestureSettingsForm()
rr = self.gesturesettingsform.rrdetails
rr.bind(on_reanalyze_selected=self.reanalyze_selected)
self.infopopup = InformationPopup()
self.recognizer = App.get_running_app().recognizer
def reanalyze_selected(self, *l):
# recognize() can block the UI with max_gpf=100, show a message
self.infopopup.text = 'Please wait, analyzing ..'
self.infopopup.auto_dismiss = False
self.infopopup.open()
# Get a reference to the original GestureContainer object
gesture_obj = self.selected._result_obj._gesture_obj
# Reanalyze the candidate strokes using current database
res = self.recognizer.recognize(gesture_obj.get_vectors(),
max_gpf=100)
# Tag the result with the gesture object (it didn't change)
res._gesture_obj = gesture_obj
# Tag the selected item with the updated ProgressTracker
self.selected._result_obj = res
res.bind(on_complete=self._reanalyze_complete)
def _reanalyze_complete(self, *l):
self.gesturesettingsform.load_visualizer(self.selected)
self.infopopup.dismiss()
def add_selected_to_database(self, *l):
if self.selected is None:
raise Exception('add_gesture_to_database before load_visualizer?')
if self.gesturesettingsform.addsettings is None:
raise Exception('add_gesture_to_database missing addsetings?')
ids = self.gesturesettingsform.addsettings.ids
name = ids.name.value.strip()
if name == '':
self.infopopup.auto_dismiss = True
self.infopopup.text = 'You must specify a name for the gesture'
self.infopopup.open()
return
permute = ids.permute.value
sensitive = ids.orientation_sens.value
strokelen = ids.stroke_sens.value
angle_sim = ids.angle_sim.value
cand = self.selected._result_obj._gesture_obj.get_vectors()
if permute and len(cand) > MAX_PERMUTE_STROKES:
t = "Can't heap permute %d-stroke gesture " % (len(cand))
self.infopopup.text = t
self.infopopup.auto_dismiss = True
self.infopopup.open()
return
self.recognizer.add_gesture(
name,
cand,
use_strokelen=strokelen,
orientation_sensitive=sensitive,
angle_similarity=angle_sim,
permute=permute)
self.infopopup.text = 'Gesture added to database'
self.infopopup.auto_dismiss = True
self.infopopup.open()
def clear_history(self, *l):
if self.selected:
self.visualizer_deselect()
self.ids.history.clear_widgets()
def visualizer_select(self, visualizer, *l):
if self.selected is not None:
self.selected.selected = False
else:
self.add_widget(self.gesturesettingsform)
self.gesturesettingsform.load_visualizer(visualizer)
self.selected = visualizer
def visualizer_deselect(self, *l):
self.selected = None
self.remove_widget(self.gesturesettingsform)
def add_recognizer_result(self, result, *l):
'''The result object is a ProgressTracker with additional
data; in main.py it is tagged with the original GestureContainer
that was analyzed (._gesture_obj)'''
# Create a GestureVisualizer that draws the gesture on canvas
visualizer = GestureVisualizer(result._gesture_obj,
size_hint=(None, None), size=(150, 150))
# Tag it with the result object so AddGestureForm.load_visualizer
# has the results to build labels in the scrollview
visualizer._result_obj = result
visualizer.bind(on_select=self.visualizer_select)
visualizer.bind(on_deselect=self.visualizer_deselect)
# Add the visualizer to the list of gestures in 'history' screen
self.ids.history.add_widget(visualizer)
self._trigger_layout()
self.ids.scrollview.update_from_scroll()