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#! /usr/bin/python3
"""
A demo/test script for the XAppKbdLayoutController class
"""
import sys, os
import signal
import gettext
import gi
gi.require_version('Gtk', '3.0')
gi.require_version('XApp', '1.0')
from gi.repository import Gtk, XApp, GObject
import cairo
signal.signal(signal.SIGINT, signal.SIG_DFL)
class Main:
def __init__(self):
win = Gtk.Window()
win.set_default_size(320, 200)
frame = Gtk.Frame()
frame.set_margin_start(2)
frame.set_margin_end(2)
frame.set_margin_top(2)
frame.set_margin_bottom(2)
win.add(frame)
box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
box.set_margin_start(2)
box.set_margin_end(2)
box.set_margin_top(2)
box.set_margin_bottom(2)
frame.add(box)
self.use_caps = False
self.controller = XApp.KbdLayoutController()
self.controller.connect("layout-changed", self.on_layout_changed)
self.controller.connect("config-changed", self.on_config_changed)
self.label = Gtk.Label()
self.label.set_text(self.controller.get_current_name())
box.pack_start(self.label, True, True, 4)
hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
box.pack_start(hbox, True, True, 4)
self.flag_button = Gtk.Button()
hbox.pack_start(self.flag_button, True, True, 4)
self.flag_button.connect("clicked", self.on_button_clicked)
self.group_button = Gtk.Button()
hbox.pack_start(self.group_button, True, True, 4)
self.group_button.connect("clicked", self.on_button_clicked)
self.variant_button = Gtk.Button()
hbox.pack_start(self.variant_button, True, True, 4)
self.variant_button.connect("clicked", self.on_button_clicked)
check = Gtk.CheckButton.new_with_label("Use caps")
check.connect("toggled", self.on_caps_toggled)
box.pack_start(check, True, True, 4)
frame.show_all()
win.connect("delete-event", lambda w, e: Gtk.main_quit())
self.on_layout_changed(self.controller)
win.present()
Gtk.main()
def on_caps_toggled(self, widget):
self.use_caps = widget.get_active()
self.on_layout_changed(self.controller)
def on_button_clicked(self, widget, data=None):
self.controller.next_group()
def on_layout_changed(self, controller, group=None):
handled = False
name = self.controller.get_current_icon_name()
if name != None:
filename = "/usr/share/iso-flag-png/%s.png" % name
if os.path.exists(filename):
valid, width, height = Gtk.IconSize.lookup(Gtk.IconSize.LARGE_TOOLBAR)
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, width, height)
flag_surface = cairo.ImageSurface.create_from_png(filename)
cr = cairo.Context(surface)
cr.save()
factor = width / flag_surface.get_width()
true_width = flag_surface.get_width() * factor
true_height = flag_surface.get_height() * factor
x_offset = y_offset = 0
if flag_surface.get_width() >= flag_surface.get_height():
x_offset = 0
y_offset = ((height * (1 / factor)) - flag_surface.get_height()) / 2
else:
x_offset = ((width * (1 / factor)) - flag_surface.get_width()) / 2
y_offset = 0
true_x_offset = (width - true_width) / 2;
true_y_offset = (height - true_height) / 2;
cr.scale(factor, factor);
cr.set_source_surface(flag_surface, x_offset, y_offset);
cr.get_source().set_filter(cairo.FILTER_BEST);
cr.set_operator(cairo.OPERATOR_SOURCE);
cr.paint();
cr.restore()
XApp.KbdLayoutController.render_cairo_subscript(cr,
true_x_offset + (true_width / 2),
true_y_offset + (true_height / 2),
true_width / 2,
true_height / 2,
self.controller.get_current_flag_id())
image = Gtk.Image.new_from_surface(cr.get_target())
self.flag_button.set_image(image)
handled = True
else:
print("Missing /usr/share/iso-flag-png flag image - text only")
if not handled:
name = self.controller.get_current_short_group_label()
if self.use_caps:
self.flag_button.set_label(name.upper())
else:
self.flag_button.set_label(name)
self.flag_button.set_image(None)
self.label.set_text(self.controller.get_current_name())
group_label = self.controller.get_current_short_group_label()
variant_label = self.controller.get_current_variant_label()
if self.use_caps:
group_label = group_label.upper()
variant_label = variant_label.upper()
self.group_button.set_label(group_label)
self.variant_button.set_label(variant_label)
def on_config_changed(self, controller):
GObject.idle_add(self.on_layout_changed, controller)
if __name__ == "__main__":
main = Main()
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