qml: properly destroy ExceptionDialog after close, improve encapsulation

electrum/gui/qml/components/ExceptionDialog.qml

@@ -17,6 +17,7 @@ ElDialog
 
     width: parent.width
     height: parent.height
+    z: 1000  // assure topmost of all other dialogs
 
     header: null
 
@@ -61,12 +62,12 @@ ElDialog
             text: qsTr('Please briefly describe what led to the error (optional):')
         }
         TextArea {
+            id: user_text
             Layout.fillWidth: true
             Layout.fillHeight: true
             background: Rectangle {
                 color: Qt.darker(Material.background, 1.25)
             }
-            onTextChanged: AppController.setCrashUserText(text)
         }
         Label {
             text: qsTr('Do you want to send this report?')
@@ -76,7 +77,7 @@ ElDialog
                 Layout.fillWidth: true
                 Layout.preferredWidth: 3
                 text: qsTr('Send Bug Report')
-                onClicked: AppController.sendReport()
+                onClicked: AppController.sendReport(user_text.text)
             }
             Button {
                 Layout.fillWidth: true
@@ -106,10 +107,9 @@ ElDialog
         ElDialog {
             property string reportText
 
-            z: 3000
-
             width: parent.width
             height: parent.height
+            z: 1001  // above root
 
             header: null
 
@@ -125,6 +125,7 @@ ElDialog
                     width: parent.width
                 }
             }
+            onClosed: destroy()
         }
     }
 

electrum/gui/qml/components/main.qml

@@ -423,6 +423,13 @@ ApplicationWindow
         }
     }
 
+    Component {
+        id: crashDialog
+        ExceptionDialog {
+            onClosed: destroy()
+        }
+    }
+
     property alias channelOpenProgressDialog: _channelOpenProgressDialog
     ChannelOpenProgressDialog {
         id: _channelOpenProgressDialog
@@ -486,13 +493,6 @@ ApplicationWindow
         width: parent.width
     }
 
-    Component {
-        id: crashDialog
-        ExceptionDialog {
-            z: 1000
-        }
-    }
-
     Component.onCompleted: {
         coverTimer.start()
 

electrum/gui/qml/qeapp.py

@@ -303,12 +303,14 @@ class QEAppController(BaseCrashReporter, QObject):
         self.exc_args = (e, text, tb)  # for BaseCrashReporter
         self.showException.emit(self.crashData())
 
-    @pyqtSlot()
+    @pyqtSlot(str)
-    def sendReport(self):
+    def sendReport(self, user_text: str):
+        self._crash_user_text = user_text
         network = Network.get_instance()
         proxy = network.proxy
 
         def report_task():
+            self.logger.debug('starting report_task')
             try:
                 response = BaseCrashReporter.send_report(self, network.asyncio_loop, proxy)
             except Exception as e:
@@ -330,10 +332,6 @@ class QEAppController(BaseCrashReporter, QObject):
     def showNever(self):
         self.config.SHOW_CRASH_REPORTER = False
 
-    @pyqtSlot(str)
-    def setCrashUserText(self, text):
-        self._crash_user_text = text
-
     def _get_traceback_str_to_display(self) -> str:
         # The msg_box that shows the report uses rich_text=True, so
         # if traceback contains special HTML characters, e.g. '<',