Add mouse pairing mockup

mouse_pairing_mockup/mockup.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+
+import itertools
+
+import gi
+import gi
+from gi.repository import Gtk as gtk, Gdk as gdk, Pango as pango, GLib as glib
+
+import numpy as np
+
+
+class PyApp(gtk.Window):
+    def __init__(self, m=5):
+        super(PyApp, self).__init__()
+
+        self.set_title("Mouse pairing mockup")
+        self.set_default_size(400, 400)
+        vbox = gtk.VBox()
+        grid = gtk.Grid(row_spacing=20, column_spacing=20, row_homogeneous=True, column_homogeneous=True, margin=20)
+        lbl = self.lbl = gtk.Label('Please press the buttons below in order 1-2-3...')
+
+        # GTK has the best APIs... -.-
+        screen = gdk.Screen.get_default()
+        gtk_provider = gtk.CssProvider()
+        gtk_context = gtk.StyleContext()
+        gtk_context.add_provider_for_screen(screen, gtk_provider, gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
+        css = b'''
+            #pinpad > button {font: 24 bold}
+            #pinpad > button:checked {background: linear-gradient(#e5efd4, #588a5a)}
+        '''
+        grid.set_name('pinpad')
+        gtk_provider.load_from_data(css)
+
+        st = np.random.RandomState(seed=0)
+        for i, (x, y) in zip(st.permutation(m**2), itertools.product(range(m), range(m))):
+            btn = gtk.ToggleButton(f'{i+1}')
+            btn.connect("toggled", self.on_toggled)
+            grid.attach(btn, x, y, 1, 1)
+
+        vbox.pack_start(lbl, True, True, 0)
+        vbox.pack_start(grid, True, True, 0)
+        self.add(vbox)
+        self.connect("destroy", gtk.main_quit)
+        self.show_all()
+
+    def on_toggled(self, widget, data=None):
+        print(f'Clicked : {widget.get_label()}')
+
+if __name__ == '__main__':
+    PyApp()
+    gtk.main()