vent.gui.widgets package

Submodules

vent.gui.widgets.components module

vent.gui.widgets.control module

vent.gui.widgets.monitor module

Classes

Monitor(value[, update_period, enum_name])

param value

class vent.gui.widgets.monitor.Monitor(value, update_period=0.5, enum_name=None)

Bases: PySide2.QtWidgets.QWidget

Parameters

• value (Value) –

• update_period (float) – update period of monitor in s

Methods

__init__(value[, update_period, enum_name])	param value
_limits_changed(val)
check_alarm([value])
init_ui()
set_alarm(alarm)	Simple wrapper to set alarm state from a qt signal
timed_update()
toggle_alarm()
toggle_control(state)
update_boxes(new_values)
update_limits(new_limits)
update_value(new_value)

Attributes

alarm_state

alarm(*args, **kwargs) = <PySide2.QtCore.Signal object>

limits_changed(*args, **kwargs) = <PySide2.QtCore.Signal object>

__init__(value, update_period=0.5, enum_name=None)

Parameters

• value (Value) –

• update_period (float) – update period of monitor in s

init_ui()

toggle_control(state)

update_boxes(new_values)

update_value(new_value)

update_limits(new_limits)

timed_update()

_limits_changed(val)

property alarm_state

set_alarm(alarm)

Simple wrapper to set alarm state from a qt signal

Parameters

alarm (bool) – Whether to set as alarm state or not

toggle_alarm()

check_alarm(value=None)

staticMetaObject = <PySide2.QtCore.QMetaObject object>

vent.gui.widgets.plot module

Data

PLOT_FREQ	Update frequency of Plot s in Hz
PLOT_TIMER	A QTimer that updates :class:`.TimedPlotCurveItem`s

Classes

Plot(name[, buffer_size, plot_duration, …])

When initializing PlotWidget, parent and background are passed to GraphicsWidget.__init__() and all others are passed to PlotItem.__init__().

vent.gui.widgets.plot.PLOT_TIMER = None

A QTimer that updates :class:`.TimedPlotCurveItem`s

vent.gui.widgets.plot.PLOT_FREQ = 5

Update frequency of Plot s in Hz

class vent.gui.widgets.plot.Plot(name, buffer_size=4092, plot_duration=5, abs_range=None, safe_range=None, color=None, units='', **kwargs)

Bases: pyqtgraph.widgets.PlotWidget.PlotWidget

When initializing PlotWidget, parent and background are passed to GraphicsWidget.__init__() and all others are passed to PlotItem.__init__().

Methods

_safe_limits_changed(val)
set_duration(dur)
set_safe_limits(limits)
update_value(new_value)	new_value: (timestamp from time.time(), value)

limits_changed(*args, **kwargs) = <PySide2.QtCore.Signal object>

set_duration(dur)

staticMetaObject = <PySide2.QtCore.QMetaObject object>

update_value(new_value)

new_value: (timestamp from time.time(), value)

_safe_limits_changed(val)

set_safe_limits(limits)

vent.gui.widgets.status_bar module

Classes

HeartBeat([update_interval, timeout_dur])	param update_interval How often to do the heartbeat, in ms
Message_Display()
Power_Button()
Status_Bar()	Start/stop button

class vent.gui.widgets.status_bar.Status_Bar

Bases: PySide2.QtWidgets.QWidget

• Start/stop button

• Status indicator - a clock that increments with heartbeats,

  or some other visual indicator that things are alright

• Status bar - most recent alarm or notification w/ means of clearing

• Override to give 100% oxygen and silence all alarms

Methods

init_ui()

init_ui()

staticMetaObject = <PySide2.QtCore.QMetaObject object>

class vent.gui.widgets.status_bar.Message_Display

Bases: PySide2.QtWidgets.QFrame

Attributes

alarm_level

Methods

clear_message()
draw_state([state])
init_ui()
make_icons()
update_message(alarm)	param alarm

message_cleared(*args, **kwargs) = <PySide2.QtCore.Signal object>

level_changed(*args, **kwargs) = <PySide2.QtCore.Signal object>

make_icons()

init_ui()

draw_state(state=None)

update_message(alarm)

Parameters

alarm (Alarm) –

clear_message()

property alarm_level

staticMetaObject = <PySide2.QtCore.QMetaObject object>

class vent.gui.widgets.status_bar.HeartBeat(update_interval=100, timeout_dur=5000)

Bases: PySide2.QtWidgets.QFrame

Parameters

• update_interval (int) – How often to do the heartbeat, in ms

• timeout (int) – how long to wait before hearing from control process

Methods

__init__([update_interval, timeout_dur])	param update_interval How often to do the heartbeat, in ms
_heartbeat()	Called every (update_interval) milliseconds to set the text of the timer.
beatheart(heartbeat_time)
check_timeout()
init_ui()
set_indicator([state])
start_timer([update_interval])	param update_interval How often (in ms) the timer should be updated.
stop_timer()	you can read the sign ya punk

timeout(*args, **kwargs) = <PySide2.QtCore.Signal object>

heartbeat(*args, **kwargs) = <PySide2.QtCore.Signal object>

__init__(update_interval=100, timeout_dur=5000)

Parameters

• update_interval (int) – How often to do the heartbeat, in ms

• timeout (int) – how long to wait before hearing from control process

init_ui()

check_timeout()

set_indicator(state=None)

start_timer(update_interval=None)

Parameters

update_interval (float) – How often (in ms) the timer should be updated.

stop_timer()

you can read the sign ya punk

beatheart(heartbeat_time)

_heartbeat()

Called every (update_interval) milliseconds to set the text of the timer.

staticMetaObject = <PySide2.QtCore.QMetaObject object>

class vent.gui.widgets.status_bar.Power_Button

Bases: PySide2.QtWidgets.QPushButton

Methods

init_ui()

init_ui()

staticMetaObject = <PySide2.QtCore.QMetaObject object>

Module contents