qt tx_dialog: share btn: replace nested menus with checkboxes

Incidentally, the checkboxes are using the config, so their state is persisted.

electrum/gui/qt/my_treeview.py

@@ -71,9 +71,9 @@ if TYPE_CHECKING:
     from .main_window import ElectrumWindow
 
 
-class MyMenu(QMenu):
+class QMenuWithConfig(QMenu):
 
-    def __init__(self, config):
+    def __init__(self, config: 'SimpleConfig'):
         QMenu.__init__(self)
         self.setToolTipsVisible(True)
         self.config = config
@@ -113,7 +113,7 @@ class MyMenu(QMenu):
 
 
 def create_toolbar_with_menu(config: 'SimpleConfig', title):
-    menu = MyMenu(config)
+    menu = QMenuWithConfig(config)
     toolbar_button = QToolButton()
     toolbar_button.setIcon(read_QIcon("preferences.png"))
     toolbar_button.setMenu(menu)

electrum/gui/qt/transaction_dialog.py

@@ -65,7 +65,7 @@ from .util import (MessageBoxMixin, read_QIcon, Buttons, icon_path,
                    BlockingWaitingDialog, getSaveFileName, ColorSchemeItem,
                    get_iconname_qrcode, VLine)
 from .rate_limiter import rate_limited
-from .my_treeview import create_toolbar_with_menu
+from .my_treeview import create_toolbar_with_menu, QMenuWithConfig
 
 if TYPE_CHECKING:
     from .main_window import ElectrumWindow
@@ -456,7 +456,7 @@ class TxDialog(QDialog, MessageBoxMixin):
             self.desc = self.wallet.get_label_for_txid(txid) or None
         self.setMinimumWidth(640)
 
-        self.psbt_only_widgets = []  # type: List[QWidget]
+        self.psbt_only_widgets = []  # type: List[Union[QWidget, QAction]]
 
         vbox = QVBoxLayout()
         self.setLayout(vbox)
@@ -502,15 +502,15 @@ class TxDialog(QDialog, MessageBoxMixin):
         b.clicked.connect(self.close)
         b.setDefault(True)
 
-        self.export_actions_menu = export_actions_menu = QMenu()
+        self.export_actions_menu = export_actions_menu = QMenuWithConfig(config=self.config)
         self.add_export_actions_to_menu(export_actions_menu)
         export_actions_menu.addSeparator()
-        export_submenu = export_actions_menu.addMenu(_("For CoinJoin; strip privates"))
-        self.add_export_actions_to_menu(export_submenu, gettx=self._gettx_for_coinjoin)
-        self.psbt_only_widgets.append(export_submenu)
-        export_submenu = export_actions_menu.addMenu(_("For hardware device; include xpubs"))
-        self.add_export_actions_to_menu(export_submenu, gettx=self._gettx_for_hardware_device)
-        self.psbt_only_widgets.append(export_submenu)
+        export_option = export_actions_menu.addConfig(
+            self.config.cv.GUI_QT_TX_DIALOG_EXPORT_STRIP_SENSITIVE_METADATA)
+        self.psbt_only_widgets.append(export_option)
+        export_option = export_actions_menu.addConfig(
+            self.config.cv.GUI_QT_TX_DIALOG_EXPORT_INCLUDE_GLOBAL_XPUBS)
+        self.psbt_only_widgets.append(export_option)
 
         self.export_actions_button = QToolButton()
         self.export_actions_button.setText(_("Share"))
@@ -604,9 +604,17 @@ class TxDialog(QDialog, MessageBoxMixin):
         # Override escape-key to close normally (and invoke closeEvent)
         self.close()
 
-    def add_export_actions_to_menu(self, menu: QMenu, *, gettx: Callable[[], Transaction] = None) -> None:
-        if gettx is None:
-            gettx = lambda: None
+    def add_export_actions_to_menu(self, menu: QMenu) -> None:
+        def gettx() -> Transaction:
+            if not isinstance(self.tx, PartialTransaction):
+                return self.tx
+            tx = copy.deepcopy(self.tx)
+            if self.config.GUI_QT_TX_DIALOG_EXPORT_INCLUDE_GLOBAL_XPUBS:
+                Network.run_from_another_thread(
+                    tx.prepare_for_export_for_hardware_device(self.wallet))
+            if self.config.GUI_QT_TX_DIALOG_EXPORT_STRIP_SENSITIVE_METADATA:
+                tx.prepare_for_export_for_coinjoin()
+            return tx
 
         action = QAction(_("Copy to clipboard"), self)
         action.triggered.connect(lambda: self.copy_to_clipboard(tx=gettx()))
@@ -620,21 +628,6 @@ class TxDialog(QDialog, MessageBoxMixin):
         action.triggered.connect(lambda: self.export_to_file(tx=gettx()))
         menu.addAction(action)
 
-    def _gettx_for_coinjoin(self) -> PartialTransaction:
-        if not isinstance(self.tx, PartialTransaction):
-            raise Exception("Can only export partial transactions for coinjoins.")
-        tx = copy.deepcopy(self.tx)
-        tx.prepare_for_export_for_coinjoin()
-        return tx
-
-    def _gettx_for_hardware_device(self) -> PartialTransaction:
-        if not isinstance(self.tx, PartialTransaction):
-            raise Exception("Can only export partial transactions for hardware device.")
-        tx = copy.deepcopy(self.tx)
-        Network.run_from_another_thread(
-            tx.prepare_for_export_for_hardware_device(self.wallet))
-        return tx
-
     def copy_to_clipboard(self, *, tx: Transaction = None):
         if tx is None:
             tx = self.tx

electrum/simple_config.py

@@ -1082,6 +1082,14 @@ This will result in longer routes; it might increase your fees and decrease the
             'Download parent transactions from the network.\n'
             'Allows filling in missing fee and input details.'),
     )
+    GUI_QT_TX_DIALOG_EXPORT_STRIP_SENSITIVE_METADATA = ConfigVar(
+        'gui_qt_tx_dialog_export_strip_sensitive_metadata', default=False, type_=bool,
+        short_desc=lambda: _('For CoinJoin; strip privates'),
+    )
+    GUI_QT_TX_DIALOG_EXPORT_INCLUDE_GLOBAL_XPUBS = ConfigVar(
+        'gui_qt_tx_dialog_export_include_global_xpubs', default=False, type_=bool,
+        short_desc=lambda: _('For hardware device; include xpubs'),
+    )
     GUI_QT_RECEIVE_TABS_INDEX = ConfigVar('receive_tabs_index', default=0, type_=int)
     GUI_QT_RECEIVE_TAB_QR_VISIBLE = ConfigVar('receive_qr_visible', default=False, type_=bool)
     GUI_QT_TX_EDITOR_SHOW_IO = ConfigVar(