kivy: TxHashLabel

gui/kivy/main.kv

@@ -91,6 +91,20 @@
             size: self.size
             pos: self.pos
 
+<TxHashLabel@TopLabel>
+    font_size: '6pt'
+    tx_hash: ''
+    text: '[ref=x]%s[/ref]' %' '.join(map(''.join, zip(*[iter(self.tx_hash)]*4))) if self.tx_hash else ''
+    padding: '10dp', '10dp'
+    on_ref_press:
+        app._clipboard.copy(self.text)
+        app.show_info(_('Transaction ID copied to clipboard'))
+    canvas.before:
+        Color:
+            rgb: .3, .3, .3
+        Rectangle:
+            size: self.size
+            pos: self.pos
 
 <InfoBubble>
     size_hint: None, None

gui/kivy/main_window.py

@@ -294,10 +294,9 @@ class ElectrumWindow(App):
         popup.signature = req.get('signature', '')
         popup.status = status
         txid = req.get('txid')
-        if txid:
-            popup.ids.txid_label.text =  _("Transaction ID") + ':\n' + ' '.join(map(''.join, zip(*[iter(txid)]*4)))
-        popup.open()
+        popup.tx_hash = txid or ''
         popup.ids.output_list.update(req.get('outputs', []))
+        popup.open()
 
     def qr_dialog(self, title, data):
         from uix.dialogs.qr_dialog import QRDialog

gui/kivy/uix/dialogs/tx_dialog.py

@@ -64,19 +64,8 @@ Builder.load_string('''
                     id: output_list
                 TopLabel:
                     text: _('Transaction ID') + ':' if root.tx_hash else ''
-                TopLabel:
-                    font_size: '6pt'
-                    text: '[ref=x]%s[/ref]' %' '.join(map(''.join, zip(*[iter(root.tx_hash)]*4))) if root.tx_hash else ''
-                    padding: '10dp', '10dp'
-                    on_ref_press:
-                        app._clipboard.copy(self.text)
-                        app.show_info(_('Transaction ID copied to clipboard'))
-                    canvas.before:
-                        Color:
-                            rgb: .3, .3, .3
-                        Rectangle:
-                            size: self.size
-                            pos: self.pos
+                TxHashLabel:
+                    tx_hash: root.tx_hash
 
         Widget:
             size_hint: 1, 0.1

gui/kivy/uix/ui_screens/invoice.kv

@@ -12,9 +12,9 @@ Popup:
     status: ''
     signature: ''
     title: _('Invoice') if popup.is_invoice else _('Request')
+    tx_hash: ''
     BoxLayout:
         orientation: 'vertical'
-        padding: '10dp'
         ScrollView:
             GridLayout:
                 cols: 1
@@ -56,7 +56,9 @@ Popup:
                 OutputList:
                     id: output_list
                 TopLabel:
-                    id: txid_label
+                    text: _('Transaction ID') if popup.tx_hash else ''
+                TxHashLabel:
+                    tx_hash: popup.tx_hash
 
         Widget:
             size_hint: 1, 0.1