def cb_set(value, ctrl=value_ctrl, unit=unit):
for i in range(ctrl.GetCount()):
if ((isinstance(value, float) and util.almost_equal(ctrl.GetClientData(i), value)) or
ctrl.GetClientData(i) == value):
logging.debug("Setting ComboBox value to %s", ctrl.Items[i])
ctrl.SetSelection(i)
break
else:
logging.warning("No existing label found for value %s", value)
# entering value as free text
txt = value_to_str(value, unit)
ctrl.SetValue(txt)
def cb_set(value, ctrl=value_ctrl, unit=unit):
for i in range(ctrl.GetCount()):
if ((isinstance(value, float) and util.almost_equal(ctrl.GetClientData(i), value)) or
ctrl.GetClientData(i) == value):
logging.debug("Setting ComboBox value to %s", ctrl.Items[i])
ctrl.SetSelection(i)
break
else:
logging.warning("No existing label found for value %s", value)
# entering value as free text
txt = value_to_str(value, unit)
ctrl.SetValue(txt)
def cb_set(value, va=va, ctrl=value_ctrl, u=unit, acc=accuracy):
# Re-read the value from the VA because it'll be called via
# CallAfter(), and if the value is changed multiple times, it might
# not be in chronological order.
value = va.value
for i in range(ctrl.GetCount()):
d = ctrl.GetClientData(i)
if (d == value or
(all(isinstance(v, float) for v in (value, d)) and
util.almost_equal(d, value))
):
logging.debug("Setting combobox value to %s", ctrl.Items[i])
ctrl.SetSelection(i)
break
else:
logging.debug("No existing label found for value %s in combobox ctrl %d",
value, id(ctrl))
# entering value as free text
txt = value_to_str(value, u, acc)
ctrl.SetValue(txt)
def cb_set(value, va=va, ctrl=value_ctrl, u=unit, acc=accuracy):
# Re-read the value from the VA because it'll be called via
# CallAfter(), and if the value is changed multiple times, it might
# not be in chronological order.
value = va.value
for i in range(ctrl.GetCount()):
d = ctrl.GetClientData(i)
if (d == value or
(all(isinstance(v, float) for v in (value, d)) and
util.almost_equal(d, value))
):
logging.debug("Setting combobox value to %s", ctrl.Items[i])
ctrl.SetSelection(i)
break
else:
logging.debug("No existing label found for value %s in combobox ctrl %d",
value, id(ctrl))
# entering value as free text
txt = value_to_str(value, u, acc)
ctrl.SetValue(txt)
def set_ctrl(value, ctrl=value_ctrl, u=unit, acc=accuracy):
ctrl.SetValue(value_to_str(value, u, acc))
def set_ctrl(value, ctrl=value_ctrl, u=unit, acc=accuracy):
ctrl.SetValue(value_to_str(value, u, acc, pretty_time=True))
def create_setting_entry(container, name, va, hw_comp, conf=None, change_callback=None):
""" Determine what type on control to use for a setting and have the container create it
Args:
container (SettingsController or StreamController): Controller in charge of the settings
name (str): Name of the setting
va (VigilantAttribute): The va containing the value of the setting
hw_comp (Component): The hardware component to which the setting belongs
conf ({} or None): The optional configuration options for the control
change_callback (callable): Callable to bind to the control's change event
Returns:
SettingEntry or None (if CONTROL_NONE)
"""
value_ctrl = lbl_ctrl = setting_entry = None
# If no conf provided, set it to an empty dictionary
conf = conf or {}
# Get the range and choices
min_val, max_val, choices, unit = process_setting_metadata(hw_comp, va, conf)
# Format the provided choices
choices_formatted, choices_si_prefix = format_choices(choices)
# Determine the control type to use, either from config or some 'smart' default
control_type = determine_control_type(hw_comp, va, choices_formatted, conf)
# Special case, early stop
if control_type == odemis.gui.CONTROL_NONE:
return None
# Format label
label_text = conf.get('label', label_to_human(name))
tooltip = conf.get('tooltip', "")
logging.debug("Adding VA %s", label_text)
# Create the needed wxPython controls
if control_type == odemis.gui.CONTROL_READONLY:
val = va.value
accuracy = conf.get('accuracy', 3)
val_str = value_to_str(val, unit, accuracy, pretty_time=True)
lbl_ctrl, value_ctrl = container.add_readonly_field(label_text, val_str)
def set_ctrl(value, ctrl=value_ctrl, u=unit, acc=accuracy):
ctrl.SetValue(value_to_str(value, u, acc, pretty_time=True))
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
va_2_ctrl=set_ctrl)
elif control_type == odemis.gui.CONTROL_TEXT:
val = va.value
accuracy = conf.get('accuracy', 3)
val_str = value_to_str(val, unit, accuracy) # No pretty_time, as we don't support reading it back
lbl_ctrl, value_ctrl = container.add_text_field(label_text, val_str)
# To set the value on the control (when the VA is updated)
def set_ctrl(value, ctrl=value_ctrl, u=unit, acc=accuracy):
ctrl.SetValue(value_to_str(value, u, acc))
# To retrieve the actual value, which may contain prefix and unit
def text_get(ctrl=value_ctrl, va=va):
ctrl_value = ctrl.GetValue()
va_val = va.value
try:
new_val = str_to_value(ctrl_value, va)
except (ValueError, TypeError):
logging.warning("Value %s couldn't be understood", ctrl_value, exc_info=True)
new_val = va_val # To force going back to last value
# if it ends up being the same value as before the VA will
# not update, so force reformatting it
if va_val == new_val:
set_ctrl(va_val)
return new_val
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
va_2_ctrl=set_ctrl, ctrl_2_va=text_get,
events=wx.EVT_TEXT_ENTER)
if change_callback:
value_ctrl.Bind(wx.EVT_TEXT_ENTER, change_callback)
elif control_type in (odemis.gui.CONTROL_SAVE_FILE, odemis.gui.CONTROL_OPEN_FILE):
val = va.value
if not val:
config = guiconf.get_acqui_conf()
val = config.last_path
if control_type == odemis.gui.CONTROL_SAVE_FILE:
dialog_style = wx.FD_SAVE
else: # odemis.gui.CONTROL_OPEN_FILE
dialog_style = wx.FD_OPEN
clearlabel = conf.get('clearlabel') # Text to show when no filename (+ allow to clear the filename)
wildcard = conf.get('wildcard', "*.*") # File extension wildcard string
lbl_ctrl, value_ctrl = container.add_file_button(label_text,
val,
clearlabel,
wildcard=wildcard,
dialog_style=dialog_style)
# Add the corresponding setting entry
setting_entry = SettingEntry(name=label_text, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
events=EVT_FILE_SELECT)
elif control_type == odemis.gui.CONTROL_SLIDER:
# The slider is accompanied by an extra number text field
if "type" in conf:
if conf["type"] == "integer":
# add_integer_slider
factory = container.add_integer_slider
elif conf["type"] == "slider":
factory = container.add_slider
else:
factory = container.add_float_slider
else:
# guess from value(s)
known_values = [va.value, min_val, max_val]
if choices is not None:
known_values.extend(list(choices))
if any(isinstance(v, float) for v in known_values):
factory = container.add_float_slider
else:
factory = container.add_integer_slider
# The event configuration determines what event will signal that the
# setting entry has changed value.
update_event = conf.get("event", wx.EVT_SLIDER)
if update_event.typeId not in (wx.EVT_SCROLL_CHANGED.typeId, wx.EVT_SLIDER.typeId):
raise ValueError("Illegal event type %d for Slider setting entry!" % (update_event.typeId,))
ctrl_conf = {
'min_val': min_val,
'max_val': max_val,
'scale': conf.get('scale', None),
'unit': unit,
'accuracy': conf.get('accuracy', 4),
}
lbl_ctrl, value_ctrl = factory(label_text, va.value, ctrl_conf)
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
events=update_event)
if change_callback:
if not isinstance(update_event, collections.Iterable):
update_event = (update_event,)
for event in update_event:
value_ctrl.Bind(event, change_callback)
elif control_type == odemis.gui.CONTROL_INT:
if unit == "": # don't display unit prefix if no unit
unit = None
ctrl_conf = {
'min_val': min_val,
'max_val': max_val,
'unit': unit,
'choices': choices,
}
if 'key_step' in conf:
ctrl_conf['key_step'] = conf['key_step']
if 'key_step_min' in conf:
ctrl_conf['key_step_min'] = conf['key_step_min']
lbl_ctrl, value_ctrl = container.add_int_field(label_text, conf=ctrl_conf)
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
events=wx.EVT_COMMAND_ENTER)
if change_callback:
value_ctrl.Bind(wx.EVT_COMMAND_ENTER, change_callback)
elif control_type == odemis.gui.CONTROL_FLT:
if unit == "": # don't display unit prefix if no unit
unit = None
ctrl_conf = {
'min_val': min_val,
'max_val': max_val,
'unit': unit,
'choices': choices,
'accuracy': conf.get('accuracy', 5),
}
if 'key_step' in conf:
ctrl_conf['key_step'] = conf['key_step']
if 'key_step_min' in conf:
ctrl_conf['key_step_min'] = conf['key_step_min']
lbl_ctrl, value_ctrl = container.add_float_field(label_text, conf=ctrl_conf)
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
events=wx.EVT_COMMAND_ENTER)
if change_callback:
value_ctrl.Bind(wx.EVT_COMMAND_ENTER, change_callback)
elif control_type == odemis.gui.CONTROL_CHECK:
# Only supports boolean VAs
lbl_ctrl, value_ctrl = container.add_checkbox_control(label_text, value=va.value)
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
events=wx.EVT_CHECKBOX)
if change_callback:
value_ctrl.Bind(wx.EVT_CHECKBOX, change_callback)
elif control_type == odemis.gui.CONTROL_RADIO:
unit_fmt = (choices_si_prefix or "") + (unit or "")
ctrl_conf = {
'size': (-1, 16),
'units': unit_fmt,
'choices': [v for v, _ in choices_formatted],
'labels': [l for _, l in choices_formatted],
}
lbl_ctrl, value_ctrl = container.add_radio_control(label_text, conf=ctrl_conf)
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
events=wx.EVT_BUTTON)
if change_callback:
value_ctrl.Bind(wx.EVT_BUTTON, change_callback)
elif control_type == odemis.gui.CONTROL_COMBO:
accuracy = conf.get('accuracy', 3)
# TODO: Might need size=(100, 16)!!
cbconf = {}
if hasattr(va, "choices") and isinstance(va.choices, collections.Iterable):
# Enumerated VA => don't allow entering other values
cbconf["style"] = wx.CB_READONLY
lbl_ctrl, value_ctrl = container.add_combobox_control(label_text, conf=cbconf)
# Set choices
if choices_si_prefix:
for choice, formatted in choices_formatted:
value_ctrl.Append(u"%s %s" % (formatted, choices_si_prefix + unit), choice)
else:
for choice, formatted in choices_formatted:
value_ctrl.Append(u"%s%s" % (formatted, unit), choice)
# A small wrapper function makes sure that the value can
# be set by passing the actual value (As opposed to the text label)
def cb_set(value, va=va, ctrl=value_ctrl, u=unit, acc=accuracy):
# Re-read the value from the VA because it'll be called via
# CallAfter(), and if the value is changed multiple times, it might
# not be in chronological order.
value = va.value
for i in range(ctrl.GetCount()):
d = ctrl.GetClientData(i)
if (d == value or
(all(isinstance(v, float) for v in (value, d)) and
util.almost_equal(d, value))
):
logging.debug("Setting combobox value to %s", ctrl.Items[i])
ctrl.SetSelection(i)
break
else:
logging.debug("No existing label found for value %s in combobox ctrl %d",
value, id(ctrl))
# entering value as free text
txt = value_to_str(value, u, acc)
ctrl.SetValue(txt)
# equivalent wrapper function to retrieve the actual value
def cb_get(ctrl=value_ctrl, va=va, u=unit):
ctrl_value = ctrl.GetValue()
# Try to use the predefined value if it's available
i = ctrl.GetSelection()
# Warning: if the text contains an unknown value, GetSelection will
# not return wx.NOT_FOUND (as expected), but the last selection value
if i != wx.NOT_FOUND and ctrl.Items[i] == ctrl_value:
logging.debug("Getting item value %s from combobox control",
ctrl.GetClientData(i))
return ctrl.GetClientData(i)
else:
va_val = va.value
try:
new_val = str_to_value(ctrl_value, va)
except (ValueError, TypeError):
logging.warning("Value %s couldn't be understood", ctrl_value, exc_info=True)
new_val = va_val # To force going back to last value
# if it ends up being the same value as before the combobox will
# not update, so force it now
if va_val == new_val:
cb_set(va_val)
return new_val
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
va_2_ctrl=cb_set, ctrl_2_va=cb_get,
events=(wx.EVT_COMBOBOX, wx.EVT_TEXT_ENTER))
if change_callback:
value_ctrl.Bind(wx.EVT_COMBOBOX, change_callback)
value_ctrl.Bind(wx.EVT_TEXT_ENTER, change_callback)
else:
logging.error("Unknown control type %s", control_type)
value_ctrl.SetToolTip(tooltip)
lbl_ctrl.SetToolTip(tooltip)
return setting_entry
def set_ctrl(value, ctrl=value_ctrl, u=unit, acc=accuracy):
ctrl.SetValue(value_to_str(value, u, acc))
def set_ctrl(value, ctrl=value_ctrl, u=unit, acc=accuracy):
ctrl.SetValue(value_to_str(value, u, acc, pretty_time=True))
def create_setting_entry(container, name, va, hw_comp, conf=None, change_callback=None):
""" Determine what type on control to use for a setting and have the container create it
Args:
container (SettingsController or StreamController): Controller in charge of the settings
name (str): Name of the setting
va (VigilantAttribute): The va containing the value of the setting
hw_comp (Component): The hardware component to which the setting belongs
conf ({} or None): The optional configuration options for the control
change_callback (callable): Callable to bind to the control's change event
Returns:
SettingEntry
"""
value_ctrl = lbl_ctrl = setting_entry = None
# If no conf provided, set it to an empty dictionary
conf = conf or {}
# Get the range and choices
min_val, max_val, choices, unit = process_setting_metadata(hw_comp, va, conf)
# Format the provided choices
choices_formatted, choices_si_prefix = format_choices(choices)
# Determine the control type to use, either from config or some 'smart' default
control_type = determine_control_type(hw_comp, va, choices_formatted, conf)
# Special case, early stop
if control_type == odemis.gui.CONTROL_NONE:
# No value, not even a label, just an empty entry, so that the settings are saved
# during acquisition
return SettingEntry(name=name, va=va, hw_comp=hw_comp)
# Format label
label_text = conf.get('label', label_to_human(name))
tooltip = conf.get('tooltip', "")
logging.debug("Adding VA %s", label_text)
# Create the needed wxPython controls
if control_type == odemis.gui.CONTROL_READONLY:
val = va.value
accuracy = conf.get('accuracy', 3)
val_str = value_to_str(val, unit, accuracy, pretty_time=True)
lbl_ctrl, value_ctrl = container.add_readonly_field(label_text, val_str)
def set_ctrl(value, ctrl=value_ctrl, u=unit, acc=accuracy):
ctrl.SetValue(value_to_str(value, u, acc, pretty_time=True))
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
va_2_ctrl=set_ctrl)
elif control_type == odemis.gui.CONTROL_TEXT:
val = va.value
accuracy = conf.get('accuracy', 3)
val_str = value_to_str(val, unit, accuracy) # No pretty_time, as we don't support reading it back
lbl_ctrl, value_ctrl = container.add_text_field(label_text, val_str)
# To set the value on the control (when the VA is updated)
def set_ctrl(value, ctrl=value_ctrl, u=unit, acc=accuracy):
ctrl.SetValue(value_to_str(value, u, acc))
# To retrieve the actual value, which may contain prefix and unit
def text_get(ctrl=value_ctrl, va=va):
ctrl_value = ctrl.GetValue()
va_val = va.value
try:
new_val = str_to_value(ctrl_value, va)
except (ValueError, TypeError):
logging.warning("Value %s couldn't be understood", ctrl_value, exc_info=True)
new_val = va_val # To force going back to last value
# if it ends up being the same value as before the VA will
# not update, so force reformatting it
if va_val == new_val:
set_ctrl(va_val)
return new_val
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
va_2_ctrl=set_ctrl, ctrl_2_va=text_get,
events=wx.EVT_TEXT_ENTER)
if change_callback:
value_ctrl.Bind(wx.EVT_TEXT_ENTER, change_callback)
elif control_type in (odemis.gui.CONTROL_SAVE_FILE, odemis.gui.CONTROL_OPEN_FILE):
val = va.value
if not val:
config = guiconf.get_acqui_conf()
val = config.last_path
if control_type == odemis.gui.CONTROL_SAVE_FILE:
dialog_style = wx.FD_SAVE
else: # odemis.gui.CONTROL_OPEN_FILE
dialog_style = wx.FD_OPEN
clearlabel = conf.get('clearlabel') # Text to show when no filename (+ allow to clear the filename)
wildcard = conf.get('wildcard', "*.*") # File extension wildcard string
lbl_ctrl, value_ctrl = container.add_file_button(label_text,
val,
clearlabel,
wildcard=wildcard,
dialog_style=dialog_style)
# Add the corresponding setting entry
setting_entry = SettingEntry(name=label_text, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
events=EVT_FILE_SELECT)
elif control_type == odemis.gui.CONTROL_SLIDER:
# The slider is accompanied by an extra number text field
if "type" in conf:
if conf["type"] == "integer":
# add_integer_slider
factory = container.add_integer_slider
elif conf["type"] == "slider":
factory = container.add_slider
else:
factory = container.add_float_slider
else:
# guess from value(s)
known_values = [va.value, min_val, max_val]
if choices is not None:
known_values.extend(list(choices))
if any(isinstance(v, float) for v in known_values):
factory = container.add_float_slider
else:
factory = container.add_integer_slider
# The event configuration determines what event will signal that the
# setting entry has changed value.
update_event = conf.get("event", wx.EVT_SLIDER)
if update_event.typeId not in (wx.EVT_SCROLL_CHANGED.typeId, wx.EVT_SLIDER.typeId):
raise ValueError("Illegal event type %d for Slider setting entry!" % (update_event.typeId,))
ctrl_conf = {
'min_val': min_val,
'max_val': max_val,
'scale': conf.get('scale', None),
'unit': unit,
'accuracy': conf.get('accuracy', 4),
}
lbl_ctrl, value_ctrl = factory(label_text, va.value, ctrl_conf)
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
events=update_event)
if change_callback:
if not isinstance(update_event, collections.Iterable):
update_event = (update_event,)
for event in update_event:
value_ctrl.Bind(event, change_callback)
elif control_type == odemis.gui.CONTROL_INT:
if unit == "": # don't display unit prefix if no unit
unit = None
ctrl_conf = {
'min_val': min_val,
'max_val': max_val,
'unit': unit,
'choices': choices,
}
if 'key_step' in conf:
ctrl_conf['key_step'] = conf['key_step']
if 'key_step_min' in conf:
ctrl_conf['key_step_min'] = conf['key_step_min']
lbl_ctrl, value_ctrl = container.add_int_field(label_text, conf=ctrl_conf)
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
events=wx.EVT_COMMAND_ENTER)
if change_callback:
value_ctrl.Bind(wx.EVT_COMMAND_ENTER, change_callback)
elif control_type == odemis.gui.CONTROL_FLT:
if unit == "": # don't display unit prefix if no unit
unit = None
ctrl_conf = {
'min_val': min_val,
'max_val': max_val,
'unit': unit,
'choices': choices,
'accuracy': conf.get('accuracy', 5),
}
if 'key_step' in conf:
ctrl_conf['key_step'] = conf['key_step']
if 'key_step_min' in conf:
ctrl_conf['key_step_min'] = conf['key_step_min']
lbl_ctrl, value_ctrl = container.add_float_field(label_text, conf=ctrl_conf)
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
events=wx.EVT_COMMAND_ENTER)
if change_callback:
value_ctrl.Bind(wx.EVT_COMMAND_ENTER, change_callback)
elif control_type == odemis.gui.CONTROL_CHECK:
# Only supports boolean VAs
lbl_ctrl, value_ctrl = container.add_checkbox_control(label_text, value=va.value)
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
events=wx.EVT_CHECKBOX)
if change_callback:
value_ctrl.Bind(wx.EVT_CHECKBOX, change_callback)
elif control_type == odemis.gui.CONTROL_RADIO:
unit_fmt = (choices_si_prefix or "") + (unit or "")
ctrl_conf = {
'size': (-1, 16),
'units': unit_fmt,
'choices': [v for v, _ in choices_formatted],
'labels': [l for _, l in choices_formatted],
}
lbl_ctrl, value_ctrl = container.add_radio_control(label_text, conf=ctrl_conf)
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
events=wx.EVT_BUTTON)
if change_callback:
value_ctrl.Bind(wx.EVT_BUTTON, change_callback)
elif control_type == odemis.gui.CONTROL_COMBO:
accuracy = conf.get('accuracy', 3)
# TODO: Might need size=(100, 16)!!
cbconf = {}
if hasattr(va, "choices") and isinstance(va.choices, collections.Iterable):
# Enumerated VA => don't allow entering other values
cbconf["style"] = wx.CB_READONLY
lbl_ctrl, value_ctrl = container.add_combobox_control(label_text, conf=cbconf)
# Set choices
if choices_si_prefix:
for choice, formatted in choices_formatted:
value_ctrl.Append(u"%s %s" % (formatted, choices_si_prefix + unit), choice)
else:
for choice, formatted in choices_formatted:
value_ctrl.Append(u"%s%s" % (formatted, unit), choice)
# A small wrapper function makes sure that the value can
# be set by passing the actual value (As opposed to the text label)
def cb_set(value, va=va, ctrl=value_ctrl, u=unit, acc=accuracy):
# Re-read the value from the VA because it'll be called via
# CallAfter(), and if the value is changed multiple times, it might
# not be in chronological order.
value = va.value
for i in range(ctrl.GetCount()):
d = ctrl.GetClientData(i)
if (d == value or
(all(isinstance(v, float) for v in (value, d)) and
util.almost_equal(d, value))
):
logging.debug("Setting combobox value to %s", ctrl.Items[i])
ctrl.SetSelection(i)
break
else:
logging.debug("No existing label found for value %s in combobox ctrl %d",
value, id(ctrl))
# entering value as free text
txt = value_to_str(value, u, acc)
ctrl.SetValue(txt)
# equivalent wrapper function to retrieve the actual value
def cb_get(ctrl=value_ctrl, va=va, u=unit):
ctrl_value = ctrl.GetValue()
# Try to use the predefined value if it's available
i = ctrl.GetSelection()
# Warning: if the text contains an unknown value, GetSelection will
# not return wx.NOT_FOUND (as expected), but the last selection value
if i != wx.NOT_FOUND and ctrl.Items[i] == ctrl_value:
logging.debug("Getting item value %s from combobox control",
ctrl.GetClientData(i))
return ctrl.GetClientData(i)
else:
va_val = va.value
try:
new_val = str_to_value(ctrl_value, va)
except (ValueError, TypeError):
logging.warning("Value %s couldn't be understood", ctrl_value, exc_info=True)
new_val = va_val # To force going back to last value
# if it ends up being the same value as before the combobox will
# not update, so force it now
if va_val == new_val:
cb_set(va_val)
return new_val
setting_entry = SettingEntry(name=name, va=va, hw_comp=hw_comp,
lbl_ctrl=lbl_ctrl, value_ctrl=value_ctrl,
va_2_ctrl=cb_set, ctrl_2_va=cb_get,
events=(wx.EVT_COMBOBOX, wx.EVT_TEXT_ENTER))
if change_callback:
value_ctrl.Bind(wx.EVT_COMBOBOX, change_callback)
value_ctrl.Bind(wx.EVT_TEXT_ENTER, change_callback)
else:
logging.error("Unknown control type %s", control_type)
value_ctrl.SetToolTip(tooltip)
lbl_ctrl.SetToolTip(tooltip)
return setting_entry