qml: allow user to delete invoices and requests from the list screen

also, delete expired requests before loading list

electrum/gui/qml/components/Invoices.qml

@@ -9,6 +9,7 @@ import "controls"
 
 Pane {
     id: root
+    property string selected_key
 
     ColumnLayout {
         anchors.fill: parent
@@ -39,7 +40,11 @@ Pane {
                             dialog.invoiceAmountChanged.connect(function () {
                                 Daemon.currentWallet.invoiceModel.init_model()
                             })
+                            selected_key = ''
                         }
+                        onPressAndHold: {
+                            selected_key = model.key
+			}
                     }
                 }
 
@@ -65,5 +70,33 @@ Pane {
                 ScrollIndicator.vertical: ScrollIndicator { }
             }
         }
+        ButtonContainer {
+            Layout.fillWidth: true
+            FlatButton {
+                Layout.fillWidth: true
+                Layout.preferredWidth: 1
+                text: qsTr('Delete')
+                icon.source: '../../icons/delete.png'
+                visible: selected_key != ''
+                onClicked: {
+                    Daemon.currentWallet.delete_invoice(selected_key)
+                    selected_key = ''
+                }
+            }
+            FlatButton {
+                Layout.fillWidth: true
+                Layout.preferredWidth: 1
+                text: qsTr('View')
+                icon.source: '../../icons/tab_receive.png'
+                visible: selected_key != ''
+                onClicked: {
+                    var dialog = app.stack.getRoot().openInvoice(selected_key)
+                    dialog.invoiceAmountChanged.connect(function () {
+                        Daemon.currentWallet.invoiceModel.init_model()
+                    })
+                    selected_key = ''
+                }
+            }
+        }
     }
 }

electrum/gui/qml/components/ReceiveRequests.qml

@@ -12,6 +12,7 @@ import "controls"
 Pane {
     id: root
     objectName: 'ReceiveRequests'
+    property string selected_key
 
     ColumnLayout {
         anchors.fill: parent
@@ -38,14 +39,14 @@ Pane {
                     model: Daemon.currentWallet.requestModel
                     delegate: InvoiceDelegate {
                         onClicked: {
-                            // TODO: only open unpaid?
-                            if (model.status == Invoice.Unpaid) {
-                                app.stack.getRoot().openRequest(model.key)
-                            }
+                            app.stack.getRoot().openRequest(model.key)
+                            selected_key = ''
                         }
+                        onPressAndHold: {
+                            selected_key = model.key
+			}
                     }
                 }
-
                 add: Transition {
                     NumberAnimation { properties: 'scale'; from: 0.75; to: 1; duration: 500 }
                     NumberAnimation { properties: 'opacity'; from: 0; to: 1; duration: 500 }
@@ -68,5 +69,30 @@ Pane {
                 ScrollIndicator.vertical: ScrollIndicator { }
             }
         }
+        ButtonContainer {
+            Layout.fillWidth: true
+            FlatButton {
+                Layout.fillWidth: true
+                Layout.preferredWidth: 1
+                text: qsTr('Delete')
+                icon.source: '../../icons/delete.png'
+                visible: selected_key != ''
+                onClicked: {
+                    Daemon.currentWallet.delete_request(selected_key)
+                    selected_key = ''
+                }
+            }
+            FlatButton {
+                Layout.fillWidth: true
+                Layout.preferredWidth: 1
+                text: qsTr('View')
+                icon.source: '../../icons/tab_receive.png'
+                visible: selected_key != ''
+                onClicked: {
+                    app.stack.getRoot().openRequest(selected_key)
+                    selected_key = ''
+                }
+            }
+        }
     }
 }

electrum/gui/qml/components/WalletMainView.qml

@@ -192,6 +192,7 @@ Item {
                     dialog.open()
                 }
                 onPressAndHold: {
+                    Daemon.currentWallet.delete_expired_requests()
                     app.stack.push(Qt.resolvedUrl('ReceiveRequests.qml'))
                 }
             }

electrum/gui/qml/qewallet.py

@@ -608,17 +608,18 @@ class QEWallet(AuthMixin, QObject, QtEventListener):
 
         threading.Thread(target=pay_thread, daemon=True).start()
 
-
+    @pyqtSlot()
+    def delete_expired_requests(self):
+        keys = self.wallet.delete_expired_requests()
+        for key in keys:
+            self.requestModel.delete_invoice(key)
 
     @pyqtSlot(QEAmount, str, int)
     @pyqtSlot(QEAmount, str, int, bool)
     @pyqtSlot(QEAmount, str, int, bool, bool)
     @pyqtSlot(QEAmount, str, int, bool, bool, bool)
     def createRequest(self, amount: QEAmount, message: str, expiration: int, lightning_only: bool = False, reuse_address: bool = False):
-        # delete expired_requests
-        keys = self.wallet.delete_expired_requests()
-        for key in keys:
-            self.requestModel.delete_invoice(key)
+        self.delete_expired_requests()
         try:
             amount = amount.satsInt
             addr = self.wallet.get_unused_address()