from gi.repository import Gtk
from gi.repository import Gdk
import sys
class MyWindow(Gtk.ApplicationWindow):
# a window
def __init__(self, app):
Gtk.Window.__init__(self, title="StatusBar Example", application=app)
self.set_default_size(200, 100)
# a label
label = Gtk.Label(label="Press any key or ")
# a button
button = Gtk.Button(label="click me.")
# connected to a callback
button.connect("clicked", self.button_clicked_cb)
# the statusbar
self.statusbar = Gtk.Statusbar()
# its context_id - not shown in the UI but needed to uniquely identify
# the source of a message
self.context_id = self.statusbar.get_context_id("example")
# we push a message onto the statusbar's stack
self.statusbar.push(
self.context_id, "Waiting for you to do something...")
# a grid to attach the widgets
grid = Gtk.Grid()
grid.set_column_spacing(5)
grid.set_column_homogeneous(True)
grid.set_row_homogeneous(True)
grid.attach(label, 0, 0, 1, 1)
grid.attach_next_to(button, label, Gtk.PositionType.RIGHT, 1, 1)
grid.attach(self.statusbar, 0, 1, 2, 1)
# add the grid to the window
self.add(grid)
# callback function for the button clicked
# if the button is clicked the event is signaled to the statusbar
# onto which we push a new status
def button_clicked_cb(self, button):
self.statusbar.push(self.context_id, "You clicked the button.")
# event handler
def do_key_press_event(self, event):
# any signal from the keyboard is signaled to the statusbar
# onto which we push a new status with the symbolic name
# of the key pressed
self.statusbar.push(self.context_id, Gdk.keyval_name(event.keyval) +
" key was pressed.")
# stop the signal emission
return True
class MyApplication(Gtk.Application):
def __init__(self):
Gtk.Application.__init__(self)
def do_activate(self):
win = MyWindow(self)
win.show_all()
def do_startup(self):
Gtk.Application.do_startup(self)
app = MyApplication()
exit_status = app.run(sys.argv)
sys.exit(exit_status)