이 스위치는 제목을 나타나게 하거나 사라지게 합니다.
from gi.repository import Gtk
import sys
class MyWindow(Gtk.ApplicationWindow):
# a window
def __init__(self, app):
Gtk.Window.__init__(self, title="Switch Example", application=app)
self.set_default_size(300, 100)
self.set_border_width(10)
# a switch
switch = Gtk.Switch()
# turned on by default
switch.set_active(True)
# connect the signal notify::active emitted by the switch
# to the callback function activate_cb
switch.connect("notify::active", self.activate_cb)
# a label
label = Gtk.Label()
label.set_text("Title")
# a grid to allocate the widgets
grid = Gtk.Grid()
grid.set_column_spacing(10)
grid.attach(label, 0, 0, 1, 1)
grid.attach(switch, 1, 0, 1, 1)
# add the grid to the window
self.add(grid)
# Callback function. Since the signal is notify::active
# we need the argument 'active'
def activate_cb(self, button, active):
# if the button (i.e. the switch) is active, set the title
# of the window to "Switch Example"
if button.get_active():
self.set_title("Switch Example")
# else, set it to "" (empty string)
else:
self.set_title("")
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)
17번째 줄에서 "notify::active" 시그널은 widget.connect(signal, callback function) 함수로 activate_cb() 콜백 함수에 연결했습니다. 더 자세한 설명은 를 참조하십시오.
이 예제는 다음 참고자료가 필요합니다:
GtkSwitch
GtkLabel
GtkGrid