kivy: workaround locale issue and fix set_qr_data

gui/kivy/main_window.py

@@ -584,11 +584,11 @@ class ElectrumWindow(App):
                 icon = "atlas://gui/kivy/theming/light/confirmed"
 
             if value is not None:
-                v_str = self.format_amount(value, True, whitespaces=True)
+                v_str = self.format_amount(value, True).replace(',','.')
             else:
                 v_str = '--'
 
-            balance_str = self.format_amount(balance, whitespaces=True)
+            balance_str = self.format_amount(balance).replace(',','.')
 
             if tx_hash:
                 label, is_default_label = self.wallet.get_label(tx_hash)
@@ -630,7 +630,7 @@ class ElectrumWindow(App):
             ri.date = date_time
             mintimestr = date_time.split()[0]
             ri.address = address
-            ri.amount = amount.strip()
+            ri.amount = amount
             ri.quote_text = get_history_rate(ref(ri),
                                              Decimal(amount),
                                              mintimestr)

gui/kivy/uix/dialogs/qr_scanner.py

@@ -12,16 +12,12 @@ class QrScannerDialog(Factory.AnimatedPopup):
         instance.stop()
         self.dismiss()
         uri = App.get_running_app().decode_uri(value[0].data)
-        #address = uri.get('address', 'empty')
-        #label = uri.get('label', '')
-        #amount = uri.get('amount', 0.0)
-        #message = uir.get('message', '')
         self.dispatch('on_complete', uri)
 
-    def on_complete(self):
+    def on_complete(self, x):
         ''' Default Handler for on_complete event.
         '''
-        pass
+        print x
 
 
 Builder.load_string('''

gui/kivy/uix/screens.py

@@ -101,10 +101,10 @@ class MainScreen(Factory.Screen):
 
 class ScreenSend(CScreen):
 
-    def set_qr_data(self, uri):
-        self.ids.payto_e.text = uri.get('address')
-        self.ids.message_e.text = uri.get('message')
-        self.ids.amount_e.text = uri.get('amount')
+    def set_qr_data(self, dialog, uri):
+        self.ids.payto_e.text = uri.get('address', '')
+        self.ids.message_e.text = uri.get('message', '')
+        self.ids.amount_e.text = uri.get('amount', '')
         #label = uri.get('label')
         #if label:
         # TODO: update label, add to contacts