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import gi
gi.require_version("Gtk", "4.0")
from gi.repository import Gtk, GLib
class ProgressBarWindow(Gtk.ApplicationWindow):
def __init__(self, **kargs):
super().__init__(**kargs, title="ProgressBar Demo")
vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=6)
self.set_child(vbox)
self.progressbar = Gtk.ProgressBar()
vbox.append(self.progressbar)
button = Gtk.CheckButton(label="Show text")
button.connect("toggled", self.on_show_text_toggled)
vbox.append(button)
button = Gtk.CheckButton(label="Activity mode")
button.connect("toggled", self.on_activity_mode_toggled)
vbox.append(button)
button = Gtk.CheckButton(label="Right to Left")
button.connect("toggled", self.on_right_to_left_toggled)
vbox.append(button)
self.timeout_id = GLib.timeout_add(50, self.on_timeout)
self.activity_mode = False
def on_show_text_toggled(self, button):
show_text = button.props.active
text = "some text" if show_text else None
self.progressbar.props.text = text
self.progressbar.props.show_text = show_text
def on_activity_mode_toggled(self, button):
self.activity_mode = button.props.active
if self.activity_mode:
self.progressbar.pulse()
else:
self.progressbar.props.fraction = 0.0
def on_right_to_left_toggled(self, button):
value = button.props.active
self.progressbar.props.inverted = value
def on_timeout(self):
"""Update value on the progress bar."""
if self.activity_mode:
self.progressbar.pulse()
else:
new_value = self.progressbar.props.fraction + 0.01
if new_value > 1:
new_value = 0
self.progressbar.props.fraction = new_value
# As this is a timeout function, return True so that it
# continues to get called
return True
def on_activate(app):
win = ProgressBarWindow(application=app)
win.present()
app = Gtk.Application(application_id="com.example.App")
app.connect("activate", on_activate)
app.run(None)
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