gtk-examples-python/libadwaita/3-leaflet.py

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Python
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2022-06-17 17:42:29 +03:00
import sys
import gi
import os
gi.require_version (
'Gtk', '4.0'
)
gi.require_version (
'Adw', '1'
)
from gi.repository import Gtk, Adw, GLib, Gio, Gdk
class MainWindow (Gtk.ApplicationWindow):
def __init__ (self, *args, **kwargs):
super ().__init__ (
*args,
**kwargs
)
GLib.set_application_name (
'Adwaita Leaflet'
)
GLib.set_prgname (
'Adwaita Examples by Afacanc38'
)
self.set_default_size (300, 300)
self.hb = Gtk.HeaderBar ()
self.set_titlebar (self.hb)
self.lf_main = Adw.Leaflet (
halign = Gtk.Align.FILL,
valign = Gtk.Align.FILL
)
self.lf_main.set_can_unfold (False)
self.set_child (
self.lf_main
)
# Home Page
self.pg_home = Gtk.Box (
spacing = 6,
halign = Gtk.Align.FILL,
valign = Gtk.Align.FILL,
hexpand = True,
vexpand = True,
orientation = Gtk.Orientation.VERTICAL
)
self.pg_home.set_margin_top (20)
self.pg_home.set_margin_bottom (20)
self.pg_home.set_margin_start (20)
self.pg_home.set_margin_end (20)
self.lf_main.append (
self.pg_home
)
self.btn_go_second = Gtk.Button (
label = "Go to second page"
)
self.btn_go_second.connect (
'clicked',
self.on_btn_go_second
)
self.btn_go_second.get_style_context ().add_class ('pill')
self.pg_home.append (
self.btn_go_second
)
self.sw_box_set_can_unfold = Gtk.Box (
spacing = 6,
orientation = Gtk.Orientation.HORIZONTAL
)
self.pg_home.append (
self.sw_box_set_can_unfold
)
self.sw_set_can_unfold = Gtk.Switch ()
self.sw_set_can_unfold.set_active (True)
self.sw_set_can_unfold.connect (
'notify::active',
self.on_set_can_unfold
)
self.sw_box_set_can_unfold.append (
self.sw_set_can_unfold
)
self.sw_lbl_set_can_unfold = Gtk.Label (
label = 'Can unfold'
)
self.sw_box_set_can_unfold.append (
self.sw_lbl_set_can_unfold
)
# Second page
self.pg_second = Gtk.Box (
spacing = 6,
halign = Gtk.Align.FILL,
valign = Gtk.Align.FILL,
hexpand = True,
vexpand = True,
orientation = Gtk.Orientation.VERTICAL
)
self.pg_second.set_margin_top (20)
self.pg_second.set_margin_bottom (20)
self.pg_second.set_margin_start (20)
self.pg_second.set_margin_end (20)
self.lf_main.append (
self.pg_second
)
self.lbl_pg2 = Gtk.Label (
label = 'Second Page'
)
self.pg_second.append (
self.lbl_pg2
)
self.btn_go_home = Gtk.Button (
label = "Retrun to home"
)
self.btn_go_home.get_style_context ().add_class ('pill')
self.pg_second.append (
self.btn_go_home
)
self.btn_go_home.connect (
'clicked',
self.on_btn_go_home
)
def on_set_can_unfold (self, switch, gparam):
if self.sw_set_can_unfold.get_active() == False:
self.lf_main.set_can_unfold (True)
else:
self.lf_main.set_can_unfold (False)
def on_btn_go_second (self, widget):
self.lf_main.set_visible_child (self.pg_second)
def on_btn_go_home (self, widget):
self.lf_main.set_visible_child (self.pg_home)
class MyApp (Adw.Application):
def __init__ (self, **kwargs):
super ().__init__ (
**kwargs
)
self.connect (
'activate',
self.on_activate
)
def on_activate (self, app):
self.win = MainWindow (
application = app
)
self.win.present ()
app = MyApp (
application_id = 'io.github.afacanc38.adw-leaflet'
)
app.run (sys.argv)