qml: make request types clickable, some fixes

electrum/gui/qml/components/InvoiceDialog.qml

@@ -227,7 +227,7 @@ ElDialog {
         Label {
             visible: invoice.invoiceType == Invoice.LightningInvoice
             Layout.fillWidth: true
-            text: invoice.lnprops.pubkey
+            text: invoice.lnprops ? invoice.lnprops.pubkey : ''
             font.family: FixedFont
             wrapMode: Text.Wrap
         }
@@ -241,7 +241,7 @@ ElDialog {
         Label {
             visible: invoice.invoiceType == Invoice.LightningInvoice
             Layout.fillWidth: true
-            text: invoice.lnprops.t
+            text: invoice.lnprops ? invoice.lnprops.t : ''
             font.family: FixedFont
             wrapMode: Text.Wrap
         }
@@ -255,7 +255,7 @@ ElDialog {
         Label {
             visible: invoice.invoiceType == Invoice.LightningInvoice
             Layout.fillWidth: true
-            text: invoice.lnprops.r
+            text: invoice.lnprops ? invoice.lnprops.r : ''
             font.family: FixedFont
             wrapMode: Text.Wrap
         }

electrum/gui/qml/components/Pin.qml

@@ -15,8 +15,7 @@ ElDialog {
     width: parent.width * 2/3
     height: parent.height * 1/3
 
-    x: (parent.width - width) / 2
+    anchors.centerIn: parent
-    y: (parent.height - height) / 2
 
     modal: true
     parent: Overlay.overlay
@@ -121,7 +120,7 @@ ElDialog {
 
         TextField {
             id: pin
-            Layout.preferredWidth: root.width *2/3
+            Layout.preferredWidth: fontMetrics.advanceWidth(passwordCharacter) * 6
             Layout.alignment: Qt.AlignHCenter
             font.pixelSize: constants.fontSizeXXLarge
             maximumLength: 6
@@ -146,4 +145,9 @@ ElDialog {
         Item { Layout.fillHeight: true; Layout.preferredWidth: 1 }
     }
 
+    FontMetrics {
+        id: fontMetrics
+        font: pin.font
+    }
+
 }

electrum/gui/qml/components/ReceiveDetailsDialog.qml

@@ -25,6 +25,8 @@ ElDialog {
         color: "#aa000000"
     }
 
+    implicitWidth: parent.width
+
     GridLayout {
         id: form
         width: parent.width

electrum/gui/qml/components/ReceiveDialog.qml

@@ -120,6 +120,11 @@ ElDialog {
                 id: bolt11label
                 text: qsTr('Lightning')
                 color: _bolt11 ? Material.foreground : constants.mutedForeground
+                MouseArea {
+                    anchors.fill: parent
+                    enabled: _bolt11
+                    onClicked: rootLayout.state = 'bolt11'
+                }
             }
             Rectangle {
                 Layout.preferredWidth: constants.paddingXXSmall
@@ -131,6 +136,11 @@ ElDialog {
                 id: bip21label
                 text: qsTr('URI')
                 color: _bip21uri ? Material.foreground : constants.mutedForeground
+                MouseArea {
+                    anchors.fill: parent
+                    enabled: _bip21uri
+                    onClicked: rootLayout.state = 'bip21uri'
+                }
             }
             Rectangle {
                 Layout.preferredWidth: constants.paddingXXSmall
@@ -142,6 +152,11 @@ ElDialog {
                 id: addresslabel
                 text: qsTr('Address')
                 color: _address ? Material.foreground : constants.mutedForeground
+                MouseArea {
+                    anchors.fill: parent
+                    enabled: _address
+                    onClicked: rootLayout.state = 'address'
+                }
             }
         }
 

electrum/gui/qml/qewallet.py

@@ -534,7 +534,7 @@ class QEWallet(AuthMixin, QObject, QtEventListener):
     def createDefaultRequest(self, ignore_gap: bool = False):
         try:
             default_expiry = self.wallet.config.get('request_expiry', PR_DEFAULT_EXPIRATION_WHEN_CREATING)
-            if self.wallet.lnworker.channels:
+            if self.wallet.lnworker and self.wallet.lnworker.channels:
                 addr = None
                 if self.wallet.config.get('bolt11_fallback', True):
                     addr = self.wallet.get_unused_address()