kivy: add delete button for invoices/requests

electrum/gui/kivy/uix/screens.py

@@ -393,6 +393,19 @@ class SendScreen(CScreen):
         else:
             self.app.tx_dialog(tx)
 
+    def clear_invoices_dialog(self):
+        invoices = self.app.wallet.get_invoices()
+        if not invoices:
+            return
+        def callback(c):
+            if c:
+                for req in invoices:
+                    key = req['key']
+                    self.app.wallet.delete_invoice(key)
+                self.update()
+        n = len(invoices)
+        d = Question(_(f'Delete {n} invoices?'), callback)
+        d.open()
 
 
 class ReceiveScreen(CScreen):
@@ -508,7 +521,8 @@ class ReceiveScreen(CScreen):
                     key = req.get('rhash') or req['address']
                     self.app.wallet.delete_request(key)
                 self.update()
-        d = Question(_('Delete all requests?'), callback)
+        n = len(requests)
+        d = Question(_(f'Delete {n} requests?'), callback)
         d.open()
 
 

electrum/gui/kivy/uix/ui_screens/receive.kv

@@ -134,7 +134,7 @@
             size_hint: 1, None
             height: '48dp'
             IconButton:
-                icon: 'atlas://electrum/gui/kivy/theming/light/list'
+                icon: 'atlas://electrum/gui/kivy/theming/light/delete'
                 size_hint: 0.5, None
                 height: '48dp'
                 on_release: Clock.schedule_once(lambda dt: s.clear_requests_dialog())

electrum/gui/kivy/uix/ui_screens/send.kv

@@ -148,6 +148,10 @@
         BoxLayout:
             size_hint: 1, None
             height: '48dp'
+            IconButton:
+                icon: 'atlas://electrum/gui/kivy/theming/light/delete'
+                size_hint: 0.5, 1
+                on_release: Clock.schedule_once(lambda dt: s.clear_invoices_dialog())
             IconButton:
                 size_hint: 0.5, 1
                 on_release: s.do_save()
@@ -158,7 +162,7 @@
                 on_release: s.do_paste()
             IconButton:
                 id: qr
-                size_hint: 1, 1
+                size_hint: 0.5, 1
                 on_release: Clock.schedule_once(lambda dt: app.scan_qr(on_complete=app.on_qr))
                 icon: 'atlas://electrum/gui/kivy/theming/light/camera'
             Button:

electrum/wallet.py

@@ -681,6 +681,8 @@ class Abstract_Wallet(AddressSynchronizer, ABC):
             item['status'] = self.lnworker.get_invoice_status(key)
         else:
             return
+        # unique handle
+        item['key'] = key
         return item
 
     def _get_relevant_invoice_keys_for_tx(self, tx: Transaction) -> Set[str]: